src/hotspot/share/gc/z/zStat.cpp
author pliden
Mon, 21 Oct 2019 09:55:58 +0200
changeset 58704 8b16701b4636
parent 58703 c203d10291e1
child 58709 662d9e1e2a60
permissions -rw-r--r--
8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled Reviewed-by: eosterlund
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/*
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 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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#include "precompiled.hpp"
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#include "gc/z/zCollectedHeap.hpp"
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#include "gc/z/zCPU.hpp"
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#include "gc/z/zGlobals.hpp"
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#include "gc/z/zHeap.inline.hpp"
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#include "gc/z/zLargePages.inline.hpp"
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#include "gc/z/zNMethodTable.hpp"
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#include "gc/z/zNUMA.hpp"
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#include "gc/z/zStat.hpp"
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#include "gc/z/zTracer.inline.hpp"
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#include "gc/z/zUtils.hpp"
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#include "memory/resourceArea.hpp"
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#include "runtime/atomic.hpp"
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#include "runtime/os.hpp"
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#include "runtime/timer.hpp"
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#include "utilities/align.hpp"
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#include "utilities/compilerWarnings.hpp"
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#include "utilities/debug.hpp"
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#include "utilities/ticks.hpp"
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#define ZSIZE_FMT               SIZE_FORMAT "M(%.0f%%)"
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#define ZSIZE_ARGS(size)        ((size) / M), (percent_of(size, ZStatHeap::max_capacity()))
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#define ZTABLE_ARGS_NA          "%9s", "-"
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#define ZTABLE_ARGS(size)       SIZE_FORMAT_W(8) "M (%.0f%%)", \
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                                ((size) / M), (percent_of(size, ZStatHeap::max_capacity()))
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//
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// Stat sampler/counter data
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//
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struct ZStatSamplerData {
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  uint64_t _nsamples;
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  uint64_t _sum;
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  uint64_t _max;
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  ZStatSamplerData() :
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    _nsamples(0),
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    _sum(0),
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    _max(0) {}
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  void add(const ZStatSamplerData& new_sample) {
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    _nsamples += new_sample._nsamples;
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    _sum += new_sample._sum;
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    _max = MAX2(_max, new_sample._max);
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  }
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};
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struct ZStatCounterData {
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  uint64_t _counter;
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  ZStatCounterData() :
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    _counter(0) {}
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};
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//
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// Stat sampler history
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//
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template <size_t size>
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class ZStatSamplerHistoryInterval {
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private:
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  size_t           _next;
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  ZStatSamplerData _samples[size];
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  ZStatSamplerData _accumulated;
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  ZStatSamplerData _total;
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public:
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  ZStatSamplerHistoryInterval() :
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      _next(0),
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      _samples(),
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      _accumulated(),
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      _total() {}
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  bool add(const ZStatSamplerData& new_sample) {
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    // Insert sample
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    const ZStatSamplerData old_sample = _samples[_next];
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    _samples[_next] = new_sample;
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    // Adjust accumulated
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    _accumulated._nsamples += new_sample._nsamples;
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    _accumulated._sum += new_sample._sum;
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    _accumulated._max = MAX2(_accumulated._max, new_sample._max);
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    // Adjust total
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    _total._nsamples -= old_sample._nsamples;
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    _total._sum -= old_sample._sum;
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    _total._nsamples += new_sample._nsamples;
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    _total._sum += new_sample._sum;
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    if (_total._max < new_sample._max) {
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      // Found new max
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      _total._max = new_sample._max;
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    } else if (_total._max == old_sample._max) {
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      // Removed old max, reset and find new max
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      _total._max = 0;
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      for (size_t i = 0; i < size; i++) {
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        if (_total._max < _samples[i]._max) {
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          _total._max = _samples[i]._max;
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        }
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      }
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    }
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    // Adjust next
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    if (++_next == size) {
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      _next = 0;
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      // Clear accumulated
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      const ZStatSamplerData zero;
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      _accumulated = zero;
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      // Became full
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      return true;
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    }
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    // Not yet full
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    return false;
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  }
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  const ZStatSamplerData& total() const {
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    return _total;
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  }
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  const ZStatSamplerData& accumulated() const {
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    return _accumulated;
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  }
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};
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class ZStatSamplerHistory : public CHeapObj<mtGC> {
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private:
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  ZStatSamplerHistoryInterval<10> _10seconds;
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  ZStatSamplerHistoryInterval<60> _10minutes;
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  ZStatSamplerHistoryInterval<60> _10hours;
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  ZStatSamplerData                _total;
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  uint64_t avg(uint64_t sum, uint64_t nsamples) const {
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    return (nsamples > 0) ? sum / nsamples : 0;
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  }
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public:
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  ZStatSamplerHistory() :
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      _10seconds(),
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      _10minutes(),
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      _10hours(),
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      _total() {}
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  void add(const ZStatSamplerData& new_sample) {
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    if (_10seconds.add(new_sample)) {
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      if (_10minutes.add(_10seconds.total())) {
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        if (_10hours.add(_10minutes.total())) {
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          _total.add(_10hours.total());
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        }
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      }
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    }
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  }
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  uint64_t avg_10_seconds() const {
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    const uint64_t sum      = _10seconds.total()._sum;
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    const uint64_t nsamples = _10seconds.total()._nsamples;
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    return avg(sum, nsamples);
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  }
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  uint64_t avg_10_minutes() const {
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    const uint64_t sum      = _10seconds.accumulated()._sum +
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                              _10minutes.total()._sum;
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    const uint64_t nsamples = _10seconds.accumulated()._nsamples +
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                              _10minutes.total()._nsamples;
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    return avg(sum, nsamples);
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  }
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  uint64_t avg_10_hours() const {
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    const uint64_t sum      = _10seconds.accumulated()._sum +
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                              _10minutes.accumulated()._sum +
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                              _10hours.total()._sum;
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    const uint64_t nsamples = _10seconds.accumulated()._nsamples +
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                              _10minutes.accumulated()._nsamples +
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                              _10hours.total()._nsamples;
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    return avg(sum, nsamples);
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  }
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  uint64_t avg_total() const {
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    const uint64_t sum      = _10seconds.accumulated()._sum +
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                              _10minutes.accumulated()._sum +
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                              _10hours.accumulated()._sum +
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                              _total._sum;
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    const uint64_t nsamples = _10seconds.accumulated()._nsamples +
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                              _10minutes.accumulated()._nsamples +
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                              _10hours.accumulated()._nsamples +
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                              _total._nsamples;
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    return avg(sum, nsamples);
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  }
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  uint64_t max_10_seconds() const {
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    return _10seconds.total()._max;
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  }
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  uint64_t max_10_minutes() const {
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    return MAX2(_10seconds.accumulated()._max,
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                _10minutes.total()._max);
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  }
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  uint64_t max_10_hours() const {
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    return MAX3(_10seconds.accumulated()._max,
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                _10minutes.accumulated()._max,
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                _10hours.total()._max);
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  }
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  uint64_t max_total() const {
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    return MAX4(_10seconds.accumulated()._max,
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                _10minutes.accumulated()._max,
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                _10hours.accumulated()._max,
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                _total._max);
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  }
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};
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//
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// Stat unit printers
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//
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void ZStatUnitTime(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history) {
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  log.print(" %10s: %-41s "
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            "%9.3f / %-9.3f "
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            "%9.3f / %-9.3f "
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            "%9.3f / %-9.3f "
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            "%9.3f / %-9.3f   ms",
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            sampler.group(),
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            sampler.name(),
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            TimeHelper::counter_to_millis(history.avg_10_seconds()),
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            TimeHelper::counter_to_millis(history.max_10_seconds()),
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            TimeHelper::counter_to_millis(history.avg_10_minutes()),
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            TimeHelper::counter_to_millis(history.max_10_minutes()),
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            TimeHelper::counter_to_millis(history.avg_10_hours()),
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            TimeHelper::counter_to_millis(history.max_10_hours()),
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            TimeHelper::counter_to_millis(history.avg_total()),
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            TimeHelper::counter_to_millis(history.max_total()));
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}
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void ZStatUnitBytes(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history) {
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  log.print(" %10s: %-41s "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) "   MB",
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            sampler.group(),
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            sampler.name(),
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            history.avg_10_seconds() / M,
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            history.max_10_seconds() / M,
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            history.avg_10_minutes() / M,
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            history.max_10_minutes() / M,
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            history.avg_10_hours() / M,
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            history.max_10_hours() / M,
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            history.avg_total() / M,
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            history.max_total() / M);
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}
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void ZStatUnitThreads(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history) {
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  log.print(" %10s: %-41s "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) "   threads",
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            sampler.group(),
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            sampler.name(),
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            history.avg_10_seconds(),
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            history.max_10_seconds(),
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            history.avg_10_minutes(),
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            history.max_10_minutes(),
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            history.avg_10_hours(),
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            history.max_10_hours(),
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            history.avg_total(),
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            history.max_total());
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}
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void ZStatUnitBytesPerSecond(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history) {
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  log.print(" %10s: %-41s "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) "   MB/s",
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            sampler.group(),
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            sampler.name(),
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            history.avg_10_seconds() / M,
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            history.max_10_seconds() / M,
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            history.avg_10_minutes() / M,
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            history.max_10_minutes() / M,
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            history.avg_10_hours() / M,
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            history.max_10_hours() / M,
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            history.avg_total() / M,
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            history.max_total() / M);
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}
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void ZStatUnitOpsPerSecond(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history) {
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  log.print(" %10s: %-41s "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) " "
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            UINT64_FORMAT_W(9) " / " UINT64_FORMAT_W(-9) "   ops/s",
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            sampler.group(),
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            sampler.name(),
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            history.avg_10_seconds(),
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            history.max_10_seconds(),
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            history.avg_10_minutes(),
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            history.max_10_minutes(),
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            history.avg_10_hours(),
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            history.max_10_hours(),
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            history.avg_total(),
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            history.max_total());
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}
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//
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// Stat value
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//
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uintptr_t ZStatValue::_base = 0;
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uint32_t  ZStatValue::_cpu_offset = 0;
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ZStatValue::ZStatValue(const char* group,
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                          const char* name,
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                          uint32_t id,
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                          uint32_t size) :
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    _group(group),
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    _name(name),
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    _id(id),
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    _offset(_cpu_offset) {
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  assert(_base == 0, "Already initialized");
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  _cpu_offset += size;
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}
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template <typename T>
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T* ZStatValue::get_cpu_local(uint32_t cpu) const {
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  assert(_base != 0, "Not initialized");
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  const uintptr_t cpu_base = _base + (_cpu_offset * cpu);
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  const uintptr_t value_addr = cpu_base + _offset;
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  return (T*)value_addr;
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}
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void ZStatValue::initialize() {
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  // Finalize and align CPU offset
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  _cpu_offset = align_up(_cpu_offset, (uint32_t)ZCacheLineSize);
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  // Allocation aligned memory
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  const size_t size = _cpu_offset * ZCPU::count();
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  _base = ZUtils::alloc_aligned(ZCacheLineSize, size);
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}
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const char* ZStatValue::group() const {
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  return _group;
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}
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const char* ZStatValue::name() const {
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  return _name;
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}
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uint32_t ZStatValue::id() const {
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  return _id;
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}
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//
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// Stat iterable value
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//
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template <typename T> uint32_t ZStatIterableValue<T>::_count = 0;
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template <typename T> T*       ZStatIterableValue<T>::_first = NULL;
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template <typename T>
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ZStatIterableValue<T>::ZStatIterableValue(const char* group,
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                                          const char* name,
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                                          uint32_t size) :
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   386
    ZStatValue(group, name, _count++, size),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   387
    _next(insert()) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   388
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   389
template <typename T>
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   390
T* ZStatIterableValue<T>::insert() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   391
  T** current = &_first;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   392
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   393
  while (*current != NULL) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   394
    // First sort by group, then by name
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   395
    const int group_cmp = strcmp((*current)->group(), group());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   396
    const int name_cmp = strcmp((*current)->name(), name());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   397
    if ((group_cmp > 0) || (group_cmp == 0 && name_cmp > 0)) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   398
      break;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   399
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   400
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   401
    current = &(*current)->_next;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   402
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   403
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   404
  T* const next = *current;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   405
  *current = (T*)this;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   406
  return next;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   407
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   408
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   409
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   410
// Stat sampler
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   411
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   412
ZStatSampler::ZStatSampler(const char* group, const char* name, ZStatUnitPrinter printer) :
54071
ab17708ec5c3 8220294: ZGC fails to build on GCC 4.4.7: Type parameter issue
sgehwolf
parents: 51332
diff changeset
   413
    ZStatIterableValue<ZStatSampler>(group, name, sizeof(ZStatSamplerData)),
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   414
    _printer(printer) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   415
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   416
ZStatSamplerData* ZStatSampler::get() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   417
  return get_cpu_local<ZStatSamplerData>(ZCPU::id());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   418
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   419
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   420
ZStatSamplerData ZStatSampler::collect_and_reset() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   421
  ZStatSamplerData all;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   422
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   423
  const uint32_t ncpus = ZCPU::count();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   424
  for (uint32_t i = 0; i < ncpus; i++) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   425
    ZStatSamplerData* const cpu_data = get_cpu_local<ZStatSamplerData>(i);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   426
    if (cpu_data->_nsamples > 0) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   427
      const uint64_t nsamples = Atomic::xchg((uint64_t)0, &cpu_data->_nsamples);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   428
      const uint64_t sum = Atomic::xchg((uint64_t)0, &cpu_data->_sum);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   429
      const uint64_t max = Atomic::xchg((uint64_t)0, &cpu_data->_max);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   430
      all._nsamples += nsamples;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   431
      all._sum += sum;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   432
      if (all._max < max) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   433
        all._max = max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   434
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   435
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   436
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   437
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   438
  return all;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   439
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   440
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   441
ZStatUnitPrinter ZStatSampler::printer() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   442
  return _printer;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   443
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   444
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   445
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   446
// Stat counter
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   447
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   448
ZStatCounter::ZStatCounter(const char* group, const char* name, ZStatUnitPrinter printer) :
54071
ab17708ec5c3 8220294: ZGC fails to build on GCC 4.4.7: Type parameter issue
sgehwolf
parents: 51332
diff changeset
   449
    ZStatIterableValue<ZStatCounter>(group, name, sizeof(ZStatCounterData)),
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   450
    _sampler(group, name, printer) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   451
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   452
ZStatCounterData* ZStatCounter::get() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   453
  return get_cpu_local<ZStatCounterData>(ZCPU::id());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   454
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   455
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   456
void ZStatCounter::sample_and_reset() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   457
  uint64_t counter = 0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   458
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   459
  const uint32_t ncpus = ZCPU::count();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   460
  for (uint32_t i = 0; i < ncpus; i++) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   461
    ZStatCounterData* const cpu_data = get_cpu_local<ZStatCounterData>(i);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   462
    counter += Atomic::xchg((uint64_t)0, &cpu_data->_counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   463
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   464
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   465
  ZStatSample(_sampler, counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   466
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   467
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   468
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   469
// Stat unsampled counter
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   470
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   471
ZStatUnsampledCounter::ZStatUnsampledCounter(const char* name) :
54071
ab17708ec5c3 8220294: ZGC fails to build on GCC 4.4.7: Type parameter issue
sgehwolf
parents: 51332
diff changeset
   472
    ZStatIterableValue<ZStatUnsampledCounter>("Unsampled", name, sizeof(ZStatCounterData)) {}
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   473
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   474
ZStatCounterData* ZStatUnsampledCounter::get() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   475
  return get_cpu_local<ZStatCounterData>(ZCPU::id());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   476
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   477
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   478
ZStatCounterData ZStatUnsampledCounter::collect_and_reset() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   479
  ZStatCounterData all;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   480
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   481
  const uint32_t ncpus = ZCPU::count();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   482
  for (uint32_t i = 0; i < ncpus; i++) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   483
    ZStatCounterData* const cpu_data = get_cpu_local<ZStatCounterData>(i);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   484
    all._counter += Atomic::xchg((uint64_t)0, &cpu_data->_counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   485
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   486
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   487
  return all;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   488
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   489
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   490
//
50875
2217b2fc29ea 8205993: ZGC: Fix typos and incorrect indentations
pliden
parents: 50812
diff changeset
   491
// Stat MMU (Minimum Mutator Utilization)
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   492
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   493
ZStatMMUPause::ZStatMMUPause() :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   494
    _start(0.0),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   495
    _end(0.0) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   496
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   497
ZStatMMUPause::ZStatMMUPause(const Ticks& start, const Ticks& end) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   498
    _start(TimeHelper::counter_to_millis(start.value())),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   499
    _end(TimeHelper::counter_to_millis(end.value())) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   500
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   501
double ZStatMMUPause::end() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   502
  return _end;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   503
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   504
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   505
double ZStatMMUPause::overlap(double start, double end) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   506
  const double start_max = MAX2(start, _start);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   507
  const double end_min = MIN2(end, _end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   508
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   509
  if (end_min > start_max) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   510
    // Overlap found
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   511
    return end_min - start_max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   512
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   513
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   514
  // No overlap
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   515
  return 0.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   516
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   517
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   518
size_t ZStatMMU::_next = 0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   519
size_t ZStatMMU::_npauses = 0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   520
ZStatMMUPause ZStatMMU::_pauses[200];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   521
double ZStatMMU::_mmu_2ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   522
double ZStatMMU::_mmu_5ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   523
double ZStatMMU::_mmu_10ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   524
double ZStatMMU::_mmu_20ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   525
double ZStatMMU::_mmu_50ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   526
double ZStatMMU::_mmu_100ms = 100.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   527
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   528
const ZStatMMUPause& ZStatMMU::pause(size_t index) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   529
  return _pauses[(_next - index - 1) % ARRAY_SIZE(_pauses)];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   530
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   531
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   532
double ZStatMMU::calculate_mmu(double time_slice) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   533
  const double end = pause(0).end();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   534
  const double start = end - time_slice;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   535
  double time_paused = 0.0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   536
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   537
  // Find all overlapping pauses
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   538
  for (size_t i = 0; i < _npauses; i++) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   539
    const double overlap = pause(i).overlap(start, end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   540
    if (overlap == 0.0) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   541
      // No overlap
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   542
      break;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   543
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   544
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   545
    time_paused += overlap;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   546
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   547
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   548
  // Calculate MMU
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   549
  const double time_mutator = time_slice - time_paused;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   550
  return percent_of(time_mutator, time_slice);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   551
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   552
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   553
void ZStatMMU::register_pause(const Ticks& start, const Ticks& end) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   554
  // Add pause
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   555
  const size_t index = _next++ % ARRAY_SIZE(_pauses);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   556
  _pauses[index] = ZStatMMUPause(start, end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   557
  _npauses = MIN2(_npauses + 1, ARRAY_SIZE(_pauses));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   558
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   559
  // Recalculate MMUs
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   560
  _mmu_2ms    = MIN2(_mmu_2ms,   calculate_mmu(2));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   561
  _mmu_5ms    = MIN2(_mmu_5ms,   calculate_mmu(5));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   562
  _mmu_10ms   = MIN2(_mmu_10ms,  calculate_mmu(10));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   563
  _mmu_20ms   = MIN2(_mmu_20ms,  calculate_mmu(20));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   564
  _mmu_50ms   = MIN2(_mmu_50ms,  calculate_mmu(50));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   565
  _mmu_100ms  = MIN2(_mmu_100ms, calculate_mmu(100));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   566
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   567
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   568
void ZStatMMU::print() {
50875
2217b2fc29ea 8205993: ZGC: Fix typos and incorrect indentations
pliden
parents: 50812
diff changeset
   569
  log_info(gc, mmu)("MMU: 2ms/%.1f%%, 5ms/%.1f%%, 10ms/%.1f%%, 20ms/%.1f%%, 50ms/%.1f%%, 100ms/%.1f%%",
2217b2fc29ea 8205993: ZGC: Fix typos and incorrect indentations
pliden
parents: 50812
diff changeset
   570
                    _mmu_2ms, _mmu_5ms, _mmu_10ms, _mmu_20ms, _mmu_50ms, _mmu_100ms);
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   571
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   572
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   573
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   574
// Stat phases
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   575
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   576
ConcurrentGCTimer ZStatPhase::_timer;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   577
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   578
ZStatPhase::ZStatPhase(const char* group, const char* name) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   579
    _sampler(group, name, ZStatUnitTime) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   580
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   581
void ZStatPhase::log_start(LogTargetHandle log, bool thread) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   582
  if (!log.is_enabled()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   583
    return;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   584
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   585
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   586
  if (thread) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   587
    ResourceMark rm;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   588
    log.print("%s (%s)", name(), Thread::current()->name());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   589
  } else {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   590
    log.print("%s", name());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   591
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   592
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   593
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   594
void ZStatPhase::log_end(LogTargetHandle log, const Tickspan& duration, bool thread) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   595
  if (!log.is_enabled()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   596
    return;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   597
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   598
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   599
  if (thread) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   600
    ResourceMark rm;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   601
    log.print("%s (%s) %.3fms", name(), Thread::current()->name(), TimeHelper::counter_to_millis(duration.value()));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   602
  } else {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   603
    log.print("%s %.3fms", name(), TimeHelper::counter_to_millis(duration.value()));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   604
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   605
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   606
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   607
ConcurrentGCTimer* ZStatPhase::timer() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   608
  return &_timer;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   609
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   610
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   611
const char* ZStatPhase::name() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   612
  return _sampler.name();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   613
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   614
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   615
ZStatPhaseCycle::ZStatPhaseCycle(const char* name) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   616
    ZStatPhase("Collector", name) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   617
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   618
void ZStatPhaseCycle::register_start(const Ticks& start) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   619
  timer()->register_gc_start(start);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   620
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   621
  ZTracer::tracer()->report_gc_start(ZCollectedHeap::heap()->gc_cause(), start);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   622
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   623
  ZCollectedHeap::heap()->print_heap_before_gc();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   624
  ZCollectedHeap::heap()->trace_heap_before_gc(ZTracer::tracer());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   625
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   626
  log_info(gc, start)("Garbage Collection (%s)",
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   627
                       GCCause::to_string(ZCollectedHeap::heap()->gc_cause()));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   628
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   629
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   630
void ZStatPhaseCycle::register_end(const Ticks& start, const Ticks& end) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   631
  timer()->register_gc_end(end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   632
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   633
  ZCollectedHeap::heap()->print_heap_after_gc();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   634
  ZCollectedHeap::heap()->trace_heap_after_gc(ZTracer::tracer());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   635
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   636
  ZTracer::tracer()->report_gc_end(end, timer()->time_partitions());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   637
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   638
  const Tickspan duration = end - start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   639
  ZStatSample(_sampler, duration.value());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   640
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   641
  ZStatLoad::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   642
  ZStatMMU::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   643
  ZStatMark::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   644
  ZStatRelocation::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   645
  ZStatNMethods::print();
50812
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
   646
  ZStatMetaspace::print();
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   647
  ZStatReferences::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   648
  ZStatHeap::print();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   649
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
   650
  log_info(gc)("Garbage Collection (%s) " ZSIZE_FMT "->" ZSIZE_FMT,
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   651
               GCCause::to_string(ZCollectedHeap::heap()->gc_cause()),
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
   652
               ZSIZE_ARGS(ZStatHeap::used_at_mark_start()),
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
   653
               ZSIZE_ARGS(ZStatHeap::used_at_relocate_end()));
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   654
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   655
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   656
Tickspan ZStatPhasePause::_max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   657
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   658
ZStatPhasePause::ZStatPhasePause(const char* name) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   659
    ZStatPhase("Phase", name) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   660
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   661
const Tickspan& ZStatPhasePause::max() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   662
  return _max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   663
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   664
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   665
void ZStatPhasePause::register_start(const Ticks& start) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   666
  timer()->register_gc_pause_start(name(), start);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   667
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   668
  LogTarget(Debug, gc, phases, start) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   669
  log_start(log);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   670
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   671
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   672
void ZStatPhasePause::register_end(const Ticks& start, const Ticks& end) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   673
  timer()->register_gc_pause_end(end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   674
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   675
  const Tickspan duration = end - start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   676
  ZStatSample(_sampler, duration.value());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   677
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   678
  // Track max pause time
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   679
  if (_max < duration) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   680
    _max = duration;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   681
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   682
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   683
  // Track minimum mutator utilization
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   684
  ZStatMMU::register_pause(start, end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   685
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   686
  LogTarget(Info, gc, phases) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   687
  log_end(log, duration);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   688
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   689
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   690
ZStatPhaseConcurrent::ZStatPhaseConcurrent(const char* name) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   691
    ZStatPhase("Phase", name) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   692
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   693
void ZStatPhaseConcurrent::register_start(const Ticks& start) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   694
  timer()->register_gc_concurrent_start(name(), start);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   695
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   696
  LogTarget(Debug, gc, phases, start) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   697
  log_start(log);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   698
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   699
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   700
void ZStatPhaseConcurrent::register_end(const Ticks& start, const Ticks& end) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   701
  timer()->register_gc_concurrent_end(end);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   702
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   703
  const Tickspan duration = end - start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   704
  ZStatSample(_sampler, duration.value());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   705
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   706
  LogTarget(Info, gc, phases) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   707
  log_end(log, duration);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   708
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   709
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   710
ZStatSubPhase::ZStatSubPhase(const char* name) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   711
    ZStatPhase("Subphase", name) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   712
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   713
void ZStatSubPhase::register_start(const Ticks& start) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   714
  LogTarget(Debug, gc, phases, start) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   715
  log_start(log, true /* thread */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   716
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   717
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   718
void ZStatSubPhase::register_end(const Ticks& start, const Ticks& end) const {
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   719
  ZTracer::tracer()->report_thread_phase(name(), start, end);
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   720
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   721
  const Tickspan duration = end - start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   722
  ZStatSample(_sampler, duration.value());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   723
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   724
  LogTarget(Debug, gc, phases) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   725
  log_end(log, duration, true /* thread */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   726
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   727
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   728
ZStatCriticalPhase::ZStatCriticalPhase(const char* name, bool verbose) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   729
    ZStatPhase("Critical", name),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   730
    _counter("Critical", name, ZStatUnitOpsPerSecond),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   731
    _verbose(verbose) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   732
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   733
void ZStatCriticalPhase::register_start(const Ticks& start) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   734
  LogTarget(Debug, gc, start) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   735
  log_start(log, true /* thread */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   736
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   737
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   738
void ZStatCriticalPhase::register_end(const Ticks& start, const Ticks& end) const {
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   739
  ZTracer::tracer()->report_thread_phase(name(), start, end);
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   740
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   741
  const Tickspan duration = end - start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   742
  ZStatSample(_sampler, duration.value());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   743
  ZStatInc(_counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   744
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   745
  if (_verbose) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   746
    LogTarget(Info, gc) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   747
    log_end(log, duration, true /* thread */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   748
  } else {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   749
    LogTarget(Debug, gc) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   750
    log_end(log, duration, true /* thread */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   751
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   752
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   753
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   754
//
54331
f0fec71d2fff 8221153: ZGC: Heap iteration and verification pollutes GC statistics
pliden
parents: 54071
diff changeset
   755
// Stat timer
f0fec71d2fff 8221153: ZGC: Heap iteration and verification pollutes GC statistics
pliden
parents: 54071
diff changeset
   756
//
58125
9b4717ca9bd1 8230878: ZGC: Use THREAD_LOCAL instead of __thread
pliden
parents: 57711
diff changeset
   757
THREAD_LOCAL uint32_t ZStatTimerDisable::_active = 0;
54331
f0fec71d2fff 8221153: ZGC: Heap iteration and verification pollutes GC statistics
pliden
parents: 54071
diff changeset
   758
f0fec71d2fff 8221153: ZGC: Heap iteration and verification pollutes GC statistics
pliden
parents: 54071
diff changeset
   759
//
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   760
// Stat sample/inc
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   761
//
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   762
void ZStatSample(const ZStatSampler& sampler, uint64_t value) {
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   763
  ZStatSamplerData* const cpu_data = sampler.get();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   764
  Atomic::add(1u, &cpu_data->_nsamples);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   765
  Atomic::add(value, &cpu_data->_sum);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   766
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   767
  uint64_t max = cpu_data->_max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   768
  for (;;) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   769
    if (max >= value) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   770
      // Not max
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   771
      break;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   772
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   773
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   774
    const uint64_t new_max = value;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   775
    const uint64_t prev_max = Atomic::cmpxchg(new_max, &cpu_data->_max, max);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   776
    if (prev_max == max) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   777
      // Success
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   778
      break;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   779
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   780
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   781
    // Retry
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   782
    max = prev_max;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   783
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   784
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   785
  ZTracer::tracer()->report_stat_sampler(sampler, value);
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   786
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   787
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   788
void ZStatInc(const ZStatCounter& counter, uint64_t increment) {
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   789
  ZStatCounterData* const cpu_data = counter.get();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   790
  const uint64_t value = Atomic::add(increment, &cpu_data->_counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   791
58704
8b16701b4636 8231996: ZGC: Replace ZStatisticsForceTrace with check if JFR event is enabled
pliden
parents: 58703
diff changeset
   792
  ZTracer::tracer()->report_stat_counter(counter, increment, value);
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   793
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   794
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   795
void ZStatInc(const ZStatUnsampledCounter& counter, uint64_t increment) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   796
  ZStatCounterData* const cpu_data = counter.get();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   797
  Atomic::add(increment, &cpu_data->_counter);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   798
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   799
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   800
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   801
// Stat allocation rate
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   802
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   803
const ZStatUnsampledCounter ZStatAllocRate::_counter("Allocation Rate");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   804
TruncatedSeq                ZStatAllocRate::_rate(ZStatAllocRate::sample_window_sec * ZStatAllocRate::sample_hz);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   805
TruncatedSeq                ZStatAllocRate::_rate_avg(ZStatAllocRate::sample_window_sec * ZStatAllocRate::sample_hz);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   806
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   807
const ZStatUnsampledCounter& ZStatAllocRate::counter() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   808
  return _counter;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   809
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   810
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   811
uint64_t ZStatAllocRate::sample_and_reset() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   812
  const ZStatCounterData bytes_per_sample = _counter.collect_and_reset();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   813
  const uint64_t bytes_per_second = bytes_per_sample._counter * sample_hz;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   814
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   815
  _rate.add(bytes_per_second);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   816
  _rate_avg.add(_rate.avg());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   817
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   818
  return bytes_per_second;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   819
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   820
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   821
double ZStatAllocRate::avg() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   822
  return _rate.avg();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   823
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   824
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   825
double ZStatAllocRate::avg_sd() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   826
  return _rate_avg.sd();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   827
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   828
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   829
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   830
// Stat thread
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   831
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   832
ZStat::ZStat() :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   833
    _metronome(sample_hz) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   834
  set_name("ZStat");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   835
  create_and_start();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   836
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   837
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   838
void ZStat::sample_and_collect(ZStatSamplerHistory* history) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   839
  // Sample counters
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   840
  for (const ZStatCounter* counter = ZStatCounter::first(); counter != NULL; counter = counter->next()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   841
    counter->sample_and_reset();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   842
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   843
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   844
  // Collect samples
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   845
  for (const ZStatSampler* sampler = ZStatSampler::first(); sampler != NULL; sampler = sampler->next()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   846
    ZStatSamplerHistory& sampler_history = history[sampler->id()];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   847
    sampler_history.add(sampler->collect_and_reset());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   848
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   849
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   850
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   851
bool ZStat::should_print(LogTargetHandle log) const {
54922
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   852
  static uint64_t print_at = ZStatisticsInterval;
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   853
  const uint64_t now = os::elapsedTime();
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   854
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   855
  if (now < print_at) {
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   856
    return false;
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   857
  }
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   858
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   859
  print_at = ((now / ZStatisticsInterval) * ZStatisticsInterval) + ZStatisticsInterval;
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   860
185ffc45593c 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
pliden
parents: 54632
diff changeset
   861
  return log.is_enabled();
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   862
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   863
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   864
void ZStat::print(LogTargetHandle log, const ZStatSamplerHistory* history) const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   865
  // Print
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   866
  log.print("=== Garbage Collection Statistics =======================================================================================================================");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   867
  log.print("                                                             Last 10s              Last 10m              Last 10h                Total");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   868
  log.print("                                                             Avg / Max             Avg / Max             Avg / Max             Avg / Max");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   869
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   870
  for (const ZStatSampler* sampler = ZStatSampler::first(); sampler != NULL; sampler = sampler->next()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   871
    const ZStatSamplerHistory& sampler_history = history[sampler->id()];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   872
    const ZStatUnitPrinter printer = sampler->printer();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   873
    printer(log, *sampler, sampler_history);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   874
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   875
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   876
  log.print("=========================================================================================================================================================");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   877
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   878
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   879
void ZStat::run_service() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   880
  ZStatSamplerHistory* const history = new ZStatSamplerHistory[ZStatSampler::count()];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   881
  LogTarget(Info, gc, stats) log;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   882
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   883
  // Main loop
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   884
  while (_metronome.wait_for_tick()) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   885
    sample_and_collect(history);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   886
    if (should_print(log)) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   887
      print(log, history);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   888
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   889
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   890
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   891
  delete [] history;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   892
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   893
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   894
void ZStat::stop_service() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   895
  _metronome.stop();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   896
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   897
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   898
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   899
// Stat table
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   900
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   901
class ZStatTablePrinter {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   902
private:
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   903
  static const size_t _buffer_size = 256;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   904
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   905
  const size_t _column0_width;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   906
  const size_t _columnN_width;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   907
  char         _buffer[_buffer_size];
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   908
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   909
public:
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   910
  class ZColumn {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   911
  private:
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   912
    char* const  _buffer;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   913
    const size_t _position;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   914
    const size_t _width;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   915
    const size_t _width_next;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   916
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   917
    ZColumn next() const {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   918
      // Insert space between columns
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   919
      _buffer[_position + _width] = ' ';
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   920
      return ZColumn(_buffer, _position + _width + 1, _width_next, _width_next);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   921
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   922
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   923
    size_t print(size_t position, const char* fmt, va_list va) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   924
      const int res = jio_vsnprintf(_buffer + position, _buffer_size - position, fmt, va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   925
      if (res < 0) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   926
        return 0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   927
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   928
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   929
      return (size_t)res;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   930
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   931
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   932
  public:
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   933
    ZColumn(char* buffer, size_t position, size_t width, size_t width_next) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   934
        _buffer(buffer),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   935
        _position(position),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   936
        _width(width),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   937
        _width_next(width_next) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   938
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   939
    ZColumn left(const char* fmt, ...) ATTRIBUTE_PRINTF(2, 3) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   940
      va_list va;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   941
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   942
      va_start(va, fmt);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   943
      const size_t written = print(_position, fmt, va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   944
      va_end(va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   945
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   946
      if (written < _width) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   947
        // Fill empty space
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   948
        memset(_buffer + _position + written, ' ', _width - written);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   949
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   950
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   951
      return next();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   952
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   953
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   954
    ZColumn right(const char* fmt, ...) ATTRIBUTE_PRINTF(2, 3) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   955
      va_list va;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   956
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   957
      va_start(va, fmt);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   958
      const size_t written = print(_position, fmt, va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   959
      va_end(va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   960
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   961
      if (written > _width) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   962
        // Line too long
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   963
        return fill('?');
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   964
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   965
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   966
      if (written < _width) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   967
        // Short line, move all to right
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   968
        memmove(_buffer + _position + _width - written, _buffer + _position, written);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   969
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   970
        // Fill empty space
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   971
        memset(_buffer + _position, ' ', _width - written);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   972
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   973
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   974
      return next();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   975
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   976
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   977
    ZColumn center(const char* fmt, ...) ATTRIBUTE_PRINTF(2, 3) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   978
      va_list va;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   979
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   980
      va_start(va, fmt);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   981
      const size_t written = print(_position, fmt, va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   982
      va_end(va);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   983
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   984
      if (written > _width) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   985
        // Line too long
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   986
        return fill('?');
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   987
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   988
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   989
      if (written < _width) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   990
        // Short line, move all to center
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   991
        const size_t start_space = (_width - written) / 2;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   992
        const size_t end_space = _width - written - start_space;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   993
        memmove(_buffer + _position + start_space, _buffer + _position, written);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   994
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   995
        // Fill empty spaces
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   996
        memset(_buffer + _position, ' ', start_space);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   997
        memset(_buffer + _position + start_space + written, ' ', end_space);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   998
      }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
   999
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1000
      return next();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1001
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1002
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1003
    ZColumn fill(char filler = ' ') {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1004
      memset(_buffer + _position, filler, _width);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1005
      return next();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1006
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1007
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1008
    const char* end() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1009
      _buffer[_position] = '\0';
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1010
      return _buffer;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1011
    }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1012
  };
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1013
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1014
public:
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1015
  ZStatTablePrinter(size_t column0_width, size_t columnN_width) :
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1016
      _column0_width(column0_width),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1017
      _columnN_width(columnN_width) {}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1018
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1019
  ZColumn operator()() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1020
    return ZColumn(_buffer, 0, _column0_width, _columnN_width);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1021
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1022
};
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1023
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1024
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1025
// Stat cycle
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1026
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1027
uint64_t  ZStatCycle::_ncycles = 0;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1028
Ticks     ZStatCycle::_start_of_last;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1029
Ticks     ZStatCycle::_end_of_last;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1030
NumberSeq ZStatCycle::_normalized_duration(0.3 /* alpha */);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1031
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1032
void ZStatCycle::at_start() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1033
  _start_of_last = Ticks::now();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1034
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1035
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1036
void ZStatCycle::at_end(double boost_factor) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1037
  _end_of_last = Ticks::now();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1038
  _ncycles++;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1039
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1040
  // Calculate normalized cycle duration. The measured duration is
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1041
  // normalized using the boost factor to avoid artificial deflation
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1042
  // of the duration when boost mode is enabled.
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1043
  const double duration = (_end_of_last - _start_of_last).seconds();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1044
  const double normalized_duration = duration * boost_factor;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1045
  _normalized_duration.add(normalized_duration);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1046
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1047
58701
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1048
bool ZStatCycle::is_first() {
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1049
  return _ncycles == 0;
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1050
}
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1051
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1052
bool ZStatCycle::is_warm() {
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1053
  return _ncycles >= 3;
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1054
}
5d10ba4a0468 8232001: ZGC: Ignore metaspace GC threshold until GC is warm
pliden
parents: 58237
diff changeset
  1055
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1056
uint64_t ZStatCycle::ncycles() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1057
  return _ncycles;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1058
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1059
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1060
const AbsSeq& ZStatCycle::normalized_duration() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1061
  return _normalized_duration;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1062
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1063
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1064
double ZStatCycle::time_since_last() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1065
  if (_ncycles == 0) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1066
    // Return time since VM start-up
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1067
    return os::elapsedTime();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1068
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1069
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1070
  const Ticks now = Ticks::now();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1071
  const Tickspan time_since_last = now - _end_of_last;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1072
  return time_since_last.seconds();
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1073
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1074
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1075
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1076
// Stat load
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1077
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1078
void ZStatLoad::print() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1079
  double loadavg[3] = {};
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1080
  os::loadavg(loadavg, ARRAY_SIZE(loadavg));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1081
  log_info(gc, load)("Load: %.2f/%.2f/%.2f", loadavg[0], loadavg[1], loadavg[2]);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1082
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1083
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1084
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1085
// Stat mark
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1086
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1087
size_t ZStatMark::_nstripes;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1088
size_t ZStatMark::_nproactiveflush;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1089
size_t ZStatMark::_nterminateflush;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1090
size_t ZStatMark::_ntrycomplete;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1091
size_t ZStatMark::_ncontinue;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1092
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1093
void ZStatMark::set_at_mark_start(size_t nstripes) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1094
  _nstripes = nstripes;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1095
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1096
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1097
void ZStatMark::set_at_mark_end(size_t nproactiveflush,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1098
                                size_t nterminateflush,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1099
                                size_t ntrycomplete,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1100
                                size_t ncontinue) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1101
  _nproactiveflush = nproactiveflush;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1102
  _nterminateflush = nterminateflush;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1103
  _ntrycomplete = ntrycomplete;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1104
  _ncontinue = ncontinue;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1105
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1106
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1107
void ZStatMark::print() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1108
  log_info(gc, marking)("Mark: "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1109
                        SIZE_FORMAT " stripe(s), "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1110
                        SIZE_FORMAT " proactive flush(es), "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1111
                        SIZE_FORMAT " terminate flush(es), "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1112
                        SIZE_FORMAT " completion(s), "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1113
                        SIZE_FORMAT " continuation(s) ",
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1114
                        _nstripes,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1115
                        _nproactiveflush,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1116
                        _nterminateflush,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1117
                        _ntrycomplete,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1118
                        _ncontinue);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1119
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1120
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1121
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1122
// Stat relocation
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1123
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1124
size_t ZStatRelocation::_relocating;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1125
bool ZStatRelocation::_success;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1126
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1127
void ZStatRelocation::set_at_select_relocation_set(size_t relocating) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1128
  _relocating = relocating;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1129
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1130
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1131
void ZStatRelocation::set_at_relocate_end(bool success) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1132
  _success = success;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1133
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1134
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1135
void ZStatRelocation::print() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1136
  if (_success) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1137
    log_info(gc, reloc)("Relocation: Successful, " SIZE_FORMAT "M relocated", _relocating / M);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1138
  } else {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1139
    log_info(gc, reloc)("Relocation: Incomplete");
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1140
  }
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1141
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1142
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1143
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1144
// Stat nmethods
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1145
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1146
void ZStatNMethods::print() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1147
  log_info(gc, nmethod)("NMethods: " SIZE_FORMAT " registered, " SIZE_FORMAT " unregistered",
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1148
                        ZNMethodTable::registered_nmethods(),
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1149
                        ZNMethodTable::unregistered_nmethods());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1150
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1151
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1152
//
50812
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1153
// Stat metaspace
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1154
//
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1155
void ZStatMetaspace::print() {
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1156
  log_info(gc, metaspace)("Metaspace: "
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1157
                          SIZE_FORMAT "M used, " SIZE_FORMAT "M capacity, "
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1158
                          SIZE_FORMAT "M committed, " SIZE_FORMAT "M reserved",
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1159
                          MetaspaceUtils::used_bytes() / M,
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1160
                          MetaspaceUtils::capacity_bytes() / M,
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1161
                          MetaspaceUtils::committed_bytes() / M,
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1162
                          MetaspaceUtils::reserved_bytes() / M);
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1163
}
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1164
0d813fbd94ed 8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents: 50525
diff changeset
  1165
//
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1166
// Stat references
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1167
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1168
ZStatReferences::ZCount ZStatReferences::_soft;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1169
ZStatReferences::ZCount ZStatReferences::_weak;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1170
ZStatReferences::ZCount ZStatReferences::_final;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1171
ZStatReferences::ZCount ZStatReferences::_phantom;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1172
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1173
void ZStatReferences::set(ZCount* count, size_t encountered, size_t discovered, size_t enqueued) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1174
  count->encountered = encountered;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1175
  count->discovered = discovered;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1176
  count->enqueued = enqueued;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1177
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1178
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1179
void ZStatReferences::set_soft(size_t encountered, size_t discovered, size_t enqueued) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1180
  set(&_soft, encountered, discovered, enqueued);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1181
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1182
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1183
void ZStatReferences::set_weak(size_t encountered, size_t discovered, size_t enqueued) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1184
  set(&_weak, encountered, discovered, enqueued);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1185
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1186
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1187
void ZStatReferences::set_final(size_t encountered, size_t discovered, size_t enqueued) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1188
  set(&_final, encountered, discovered, enqueued);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1189
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1190
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1191
void ZStatReferences::set_phantom(size_t encountered, size_t discovered, size_t enqueued) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1192
  set(&_phantom, encountered, discovered, enqueued);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1193
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1194
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1195
void ZStatReferences::print(const char* name, const ZStatReferences::ZCount& ref) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1196
  log_info(gc, ref)("%s: "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1197
                    SIZE_FORMAT " encountered, "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1198
                    SIZE_FORMAT " discovered, "
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1199
                    SIZE_FORMAT " enqueued",
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1200
                    name,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1201
                    ref.encountered,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1202
                    ref.discovered,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1203
                    ref.enqueued);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1204
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1205
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1206
void ZStatReferences::print() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1207
  print("Soft", _soft);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1208
  print("Weak", _weak);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1209
  print("Final", _final);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1210
  print("Phantom", _phantom);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1211
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1212
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1213
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1214
// Stat heap
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1215
//
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1216
ZStatHeap::ZAtInitialize ZStatHeap::_at_initialize;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1217
ZStatHeap::ZAtMarkStart ZStatHeap::_at_mark_start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1218
ZStatHeap::ZAtMarkEnd ZStatHeap::_at_mark_end;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1219
ZStatHeap::ZAtRelocateStart ZStatHeap::_at_relocate_start;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1220
ZStatHeap::ZAtRelocateEnd ZStatHeap::_at_relocate_end;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1221
58703
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1222
size_t ZStatHeap::capacity_high() {
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1223
  return MAX4(_at_mark_start.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1224
              _at_mark_end.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1225
              _at_relocate_start.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1226
              _at_relocate_end.capacity);
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1227
}
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1228
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1229
size_t ZStatHeap::capacity_low() {
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1230
  return MIN4(_at_mark_start.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1231
              _at_mark_end.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1232
              _at_relocate_start.capacity,
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1233
              _at_relocate_end.capacity);
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1234
}
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1235
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1236
size_t ZStatHeap::available(size_t used) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1237
  return _at_initialize.max_capacity - used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1238
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1239
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1240
size_t ZStatHeap::reserve(size_t used) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1241
  return MIN2(_at_initialize.max_reserve, available(used));
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1242
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1243
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1244
size_t ZStatHeap::free(size_t used) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1245
  return available(used) - reserve(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1246
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1247
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1248
void ZStatHeap::set_at_initialize(size_t min_capacity,
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1249
                                  size_t max_capacity,
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1250
                                  size_t max_reserve) {
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1251
  _at_initialize.min_capacity = min_capacity;
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1252
  _at_initialize.max_capacity = max_capacity;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1253
  _at_initialize.max_reserve = max_reserve;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1254
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1255
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1256
void ZStatHeap::set_at_mark_start(size_t soft_max_capacity,
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1257
                                  size_t capacity,
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1258
                                  size_t used) {
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1259
  _at_mark_start.soft_max_capacity = soft_max_capacity;
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1260
  _at_mark_start.capacity = capacity;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1261
  _at_mark_start.reserve = reserve(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1262
  _at_mark_start.used = used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1263
  _at_mark_start.free = free(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1264
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1265
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1266
void ZStatHeap::set_at_mark_end(size_t capacity,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1267
                                size_t allocated,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1268
                                size_t used) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1269
  _at_mark_end.capacity = capacity;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1270
  _at_mark_end.reserve = reserve(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1271
  _at_mark_end.allocated = allocated;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1272
  _at_mark_end.used = used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1273
  _at_mark_end.free = free(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1274
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1275
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1276
void ZStatHeap::set_at_select_relocation_set(size_t live,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1277
                                             size_t garbage,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1278
                                             size_t reclaimed) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1279
  _at_mark_end.live = live;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1280
  _at_mark_end.garbage = garbage;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1281
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1282
  _at_relocate_start.garbage = garbage - reclaimed;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1283
  _at_relocate_start.reclaimed = reclaimed;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1284
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1285
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1286
void ZStatHeap::set_at_relocate_start(size_t capacity,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1287
                                      size_t allocated,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1288
                                      size_t used) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1289
  _at_relocate_start.capacity = capacity;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1290
  _at_relocate_start.reserve = reserve(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1291
  _at_relocate_start.allocated = allocated;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1292
  _at_relocate_start.used = used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1293
  _at_relocate_start.free = free(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1294
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1295
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1296
void ZStatHeap::set_at_relocate_end(size_t capacity,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1297
                                    size_t allocated,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1298
                                    size_t reclaimed,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1299
                                    size_t used,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1300
                                    size_t used_high,
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1301
                                    size_t used_low) {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1302
  _at_relocate_end.capacity = capacity;
58703
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1303
  _at_relocate_end.capacity_high = capacity_high();
c203d10291e1 8231940: ZGC: Print correct low/high capacity
pliden
parents: 58701
diff changeset
  1304
  _at_relocate_end.capacity_low = capacity_low();
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1305
  _at_relocate_end.reserve = reserve(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1306
  _at_relocate_end.reserve_high = reserve(used_low);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1307
  _at_relocate_end.reserve_low = reserve(used_high);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1308
  _at_relocate_end.garbage = _at_mark_end.garbage - reclaimed;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1309
  _at_relocate_end.allocated = allocated;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1310
  _at_relocate_end.reclaimed = reclaimed;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1311
  _at_relocate_end.used = used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1312
  _at_relocate_end.used_high = used_high;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1313
  _at_relocate_end.used_low = used_low;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1314
  _at_relocate_end.free = free(used);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1315
  _at_relocate_end.free_high = free(used_low);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1316
  _at_relocate_end.free_low = free(used_high);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1317
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1318
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1319
size_t ZStatHeap::max_capacity() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1320
  return _at_initialize.max_capacity;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1321
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1322
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1323
size_t ZStatHeap::used_at_mark_start() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1324
  return _at_mark_start.used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1325
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1326
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1327
size_t ZStatHeap::used_at_relocate_end() {
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1328
  return _at_relocate_end.used;
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1329
}
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1330
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1331
void ZStatHeap::print() {
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1332
  log_info(gc, heap)("Min Capacity: "
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1333
                     ZSIZE_FMT, ZSIZE_ARGS(_at_initialize.min_capacity));
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1334
  log_info(gc, heap)("Max Capacity: "
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1335
                     ZSIZE_FMT, ZSIZE_ARGS(_at_initialize.max_capacity));
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1336
  log_info(gc, heap)("Soft Max Capacity: "
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1337
                     ZSIZE_FMT, ZSIZE_ARGS(_at_mark_start.soft_max_capacity));
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1338
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1339
  ZStatTablePrinter table(10, 18);
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1340
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1341
                     .fill()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1342
                     .center("Mark Start")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1343
                     .center("Mark End")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1344
                     .center("Relocate Start")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1345
                     .center("Relocate End")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1346
                     .center("High")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1347
                     .center("Low")
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1348
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1349
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1350
                     .right("Capacity:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1351
                     .left(ZTABLE_ARGS(_at_mark_start.capacity))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1352
                     .left(ZTABLE_ARGS(_at_mark_end.capacity))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1353
                     .left(ZTABLE_ARGS(_at_relocate_start.capacity))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1354
                     .left(ZTABLE_ARGS(_at_relocate_end.capacity))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1355
                     .left(ZTABLE_ARGS(_at_relocate_end.capacity_high))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1356
                     .left(ZTABLE_ARGS(_at_relocate_end.capacity_low))
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1357
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1358
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1359
                     .right("Reserve:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1360
                     .left(ZTABLE_ARGS(_at_mark_start.reserve))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1361
                     .left(ZTABLE_ARGS(_at_mark_end.reserve))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1362
                     .left(ZTABLE_ARGS(_at_relocate_start.reserve))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1363
                     .left(ZTABLE_ARGS(_at_relocate_end.reserve))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1364
                     .left(ZTABLE_ARGS(_at_relocate_end.reserve_high))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1365
                     .left(ZTABLE_ARGS(_at_relocate_end.reserve_low))
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1366
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1367
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1368
                     .right("Free:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1369
                     .left(ZTABLE_ARGS(_at_mark_start.free))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1370
                     .left(ZTABLE_ARGS(_at_mark_end.free))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1371
                     .left(ZTABLE_ARGS(_at_relocate_start.free))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1372
                     .left(ZTABLE_ARGS(_at_relocate_end.free))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1373
                     .left(ZTABLE_ARGS(_at_relocate_end.free_high))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1374
                     .left(ZTABLE_ARGS(_at_relocate_end.free_low))
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1375
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1376
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1377
                     .right("Used:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1378
                     .left(ZTABLE_ARGS(_at_mark_start.used))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1379
                     .left(ZTABLE_ARGS(_at_mark_end.used))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1380
                     .left(ZTABLE_ARGS(_at_relocate_start.used))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1381
                     .left(ZTABLE_ARGS(_at_relocate_end.used))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1382
                     .left(ZTABLE_ARGS(_at_relocate_end.used_high))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1383
                     .left(ZTABLE_ARGS(_at_relocate_end.used_low))
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1384
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1385
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1386
                     .right("Live:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1387
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1388
                     .left(ZTABLE_ARGS(_at_mark_end.live))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1389
                     .left(ZTABLE_ARGS(_at_mark_end.live /* Same as at mark end */))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1390
                     .left(ZTABLE_ARGS(_at_mark_end.live /* Same as at mark end */))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1391
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1392
                     .left(ZTABLE_ARGS_NA)
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1393
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1394
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1395
                     .right("Allocated:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1396
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1397
                     .left(ZTABLE_ARGS(_at_mark_end.allocated))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1398
                     .left(ZTABLE_ARGS(_at_relocate_start.allocated))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1399
                     .left(ZTABLE_ARGS(_at_relocate_end.allocated))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1400
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1401
                     .left(ZTABLE_ARGS_NA)
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1402
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1403
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1404
                     .right("Garbage:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1405
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1406
                     .left(ZTABLE_ARGS(_at_mark_end.garbage))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1407
                     .left(ZTABLE_ARGS(_at_relocate_start.garbage))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1408
                     .left(ZTABLE_ARGS(_at_relocate_end.garbage))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1409
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1410
                     .left(ZTABLE_ARGS_NA)
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1411
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1412
  log_info(gc, heap)("%s", table()
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1413
                     .right("Reclaimed:")
55285
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1414
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1415
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1416
                     .left(ZTABLE_ARGS(_at_relocate_start.reclaimed))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1417
                     .left(ZTABLE_ARGS(_at_relocate_end.reclaimed))
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1418
                     .left(ZTABLE_ARGS_NA)
9a120214e732 8222467: ZGC: Log min/max/softmax capacity
pliden
parents: 54922
diff changeset
  1419
                     .left(ZTABLE_ARGS_NA)
50525
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1420
                     .end());
767cdb97f103 8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff changeset
  1421
}