src/hotspot/share/gc/shenandoah/shenandoahAllocTracker.hpp
author stefank
Tue, 26 Nov 2019 10:47:46 +0100
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permissions -rw-r--r--
8234748: Clean up atomic and orderAccess includes Reviewed-by: dholmes
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/*
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 * Copyright (c) 2017, 2018, Red Hat, Inc. All rights reserved.
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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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 */
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#ifndef SHARE_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP
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#define SHARE_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP
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#include "gc/shenandoah/shenandoahAllocRequest.hpp"
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#include "gc/shenandoah/shenandoahNumberSeq.hpp"
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#include "memory/allocation.hpp"
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#include "utilities/ostream.hpp"
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class ShenandoahAllocTracker : public CHeapObj<mtGC> {
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private:
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  BinaryMagnitudeSeq _alloc_size[ShenandoahAllocRequest::_ALLOC_LIMIT];
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  BinaryMagnitudeSeq _alloc_latency[ShenandoahAllocRequest::_ALLOC_LIMIT];
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public:
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  void record_alloc_latency(size_t words_size,
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                            ShenandoahAllocRequest::Type _alloc_type,
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                            double latency_us) {
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    _alloc_size[_alloc_type].add(words_size);
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    _alloc_latency[_alloc_type].add((size_t)latency_us);
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  }
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  void print_on(outputStream* out) const;
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};
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#endif // SHARE_GC_SHENANDOAH_SHENANDOAHALLOCTRACKER_HPP