author | pliden |
Mon, 21 Oct 2019 09:55:48 +0200 | |
changeset 58703 | c203d10291e1 |
parent 58701 | 5d10ba4a0468 |
child 58704 | 8b16701b4636 |
permissions | -rw-r--r-- |
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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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#ifndef SHARE_GC_Z_ZSTAT_HPP |
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#define SHARE_GC_Z_ZSTAT_HPP |
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#include "gc/shared/concurrentGCThread.hpp" |
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#include "gc/shared/gcTimer.hpp" |
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#include "gc/z/zMetronome.hpp" |
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#include "logging/logHandle.hpp" |
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#include "memory/allocation.hpp" |
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#include "utilities/globalDefinitions.hpp" |
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#include "utilities/numberSeq.hpp" |
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#include "utilities/ticks.hpp" |
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class ZPage; |
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class ZStatSampler; |
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class ZStatSamplerHistory; |
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struct ZStatCounterData; |
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struct ZStatSamplerData; |
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// |
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// Stat unit printers |
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// |
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typedef void (*ZStatUnitPrinter)(LogTargetHandle log, const ZStatSampler&, const ZStatSamplerHistory&); |
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void ZStatUnitTime(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history); |
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void ZStatUnitBytes(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history); |
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void ZStatUnitThreads(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history); |
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void ZStatUnitBytesPerSecond(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history); |
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void ZStatUnitOpsPerSecond(LogTargetHandle log, const ZStatSampler& sampler, const ZStatSamplerHistory& history); |
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// |
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// Stat value |
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// |
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class ZStatValue { |
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private: |
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static uintptr_t _base; |
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static uint32_t _cpu_offset; |
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const char* const _group; |
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const char* const _name; |
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const uint32_t _id; |
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const uint32_t _offset; |
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protected: |
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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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template <typename T> T* get_cpu_local(uint32_t cpu) const; |
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public: |
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static void initialize(); |
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const char* group() const; |
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const char* name() const; |
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uint32_t id() const; |
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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> |
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class ZStatIterableValue : public ZStatValue { |
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private: |
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static uint32_t _count; |
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static T* _first; |
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T* _next; |
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T* insert() const; |
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protected: |
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ZStatIterableValue(const char* group, |
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const char* name, |
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uint32_t size); |
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public: |
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static uint32_t count() { |
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return _count; |
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} |
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static T* first() { |
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return _first; |
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} |
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T* next() const { |
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return _next; |
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} |
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}; |
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// |
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// Stat sampler |
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// |
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class ZStatSampler : public ZStatIterableValue<ZStatSampler> { |
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const ZStatUnitPrinter _printer; |
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ZStatSampler(const char* group, |
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const char* name, |
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ZStatUnitPrinter printer); |
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ZStatSamplerData* get() const; |
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ZStatSamplerData collect_and_reset() const; |
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ZStatUnitPrinter printer() const; |
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}; |
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// |
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// Stat counter |
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// |
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class ZStatCounter : public ZStatIterableValue<ZStatCounter> { |
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const ZStatSampler _sampler; |
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ZStatCounter(const char* group, |
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const char* name, |
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ZStatUnitPrinter printer); |
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ZStatCounterData* get() const; |
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void sample_and_reset() const; |
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}; |
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// |
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// Stat unsampled counter |
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// |
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class ZStatUnsampledCounter : public ZStatIterableValue<ZStatUnsampledCounter> { |
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ZStatUnsampledCounter(const char* name); |
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ZStatCounterData* get() const; |
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ZStatCounterData collect_and_reset() const; |
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}; |
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// |
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// Stat MMU (Minimum Mutator Utilization) |
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// |
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class ZStatMMUPause { |
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double _start; |
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double _end; |
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ZStatMMUPause(); |
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ZStatMMUPause(const Ticks& start, const Ticks& end); |
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double end() const; |
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double overlap(double start, double end) const; |
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}; |
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class ZStatMMU { |
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static size_t _next; |
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static size_t _npauses; |
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static ZStatMMUPause _pauses[200]; // Record the last 200 pauses |
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static double _mmu_2ms; |
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static double _mmu_5ms; |
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static double _mmu_10ms; |
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static double _mmu_20ms; |
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static double _mmu_50ms; |
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static double _mmu_100ms; |
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static const ZStatMMUPause& pause(size_t index); |
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static double calculate_mmu(double time_slice); |
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static void register_pause(const Ticks& start, const Ticks& end); |
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static void print(); |
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}; |
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// |
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// Stat phases |
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// |
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class ZStatPhase { |
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static ConcurrentGCTimer _timer; |
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protected: |
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const ZStatSampler _sampler; |
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ZStatPhase(const char* group, const char* name); |
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void log_start(LogTargetHandle log, bool thread = false) const; |
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void log_end(LogTargetHandle log, const Tickspan& duration, bool thread = false) const; |
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static ConcurrentGCTimer* timer(); |
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const char* name() const; |
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virtual void register_start(const Ticks& start) const = 0; |
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virtual void register_end(const Ticks& start, const Ticks& end) const = 0; |
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}; |
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class ZStatPhaseCycle : public ZStatPhase { |
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ZStatPhaseCycle(const char* name); |
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virtual void register_start(const Ticks& start) const; |
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virtual void register_end(const Ticks& start, const Ticks& end) const; |
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}; |
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class ZStatPhasePause : public ZStatPhase { |
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static Tickspan _max; // Max pause time |
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ZStatPhasePause(const char* name); |
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static const Tickspan& max(); |
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virtual void register_start(const Ticks& start) const; |
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virtual void register_end(const Ticks& start, const Ticks& end) const; |
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}; |
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class ZStatPhaseConcurrent : public ZStatPhase { |
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public: |
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ZStatPhaseConcurrent(const char* name); |
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virtual void register_start(const Ticks& start) const; |
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virtual void register_end(const Ticks& start, const Ticks& end) const; |
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}; |
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class ZStatSubPhase : public ZStatPhase { |
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public: |
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ZStatSubPhase(const char* name); |
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virtual void register_start(const Ticks& start) const; |
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virtual void register_end(const Ticks& start, const Ticks& end) const; |
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}; |
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class ZStatCriticalPhase : public ZStatPhase { |
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private: |
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const ZStatCounter _counter; |
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const bool _verbose; |
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ZStatCriticalPhase(const char* name, bool verbose = true); |
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virtual void register_start(const Ticks& start) const; |
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virtual void register_end(const Ticks& start, const Ticks& end) const; |
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}; |
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// |
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// Stat timer |
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// |
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class ZStatTimerDisable : public StackObj { |
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static THREAD_LOCAL uint32_t _active; |
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ZStatTimerDisable() { |
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_active++; |
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} |
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~ZStatTimerDisable() { |
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_active--; |
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} |
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static bool is_active() { |
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return _active > 0; |
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} |
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}; |
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class ZStatTimer : public StackObj { |
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const bool _enabled; |
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const ZStatPhase& _phase; |
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const Ticks _start; |
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ZStatTimer(const ZStatPhase& phase) : |
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_enabled(!ZStatTimerDisable::is_active()), |
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_phase(phase), |
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_start(Ticks::now()) { |
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if (_enabled) { |
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_phase.register_start(_start); |
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} |
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} |
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~ZStatTimer() { |
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if (_enabled) { |
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const Ticks end = Ticks::now(); |
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_phase.register_end(_start, end); |
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} |
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} |
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}; |
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// |
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// Stat sample/increment |
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// |
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void ZStatSample(const ZStatSampler& sampler, uint64_t value, bool trace = ZStatisticsForceTrace); |
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void ZStatInc(const ZStatCounter& counter, uint64_t increment = 1, bool trace = ZStatisticsForceTrace); |
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void ZStatInc(const ZStatUnsampledCounter& counter, uint64_t increment = 1); |
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// |
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// Stat allocation rate |
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// |
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class ZStatAllocRate : public AllStatic { |
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private: |
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static const ZStatUnsampledCounter _counter; |
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static TruncatedSeq _rate; // B/s |
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static TruncatedSeq _rate_avg; // B/s |
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|
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static const uint64_t sample_window_sec = 1; // seconds |
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static const uint64_t sample_hz = 10; |
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|
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static const ZStatUnsampledCounter& counter(); |
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static uint64_t sample_and_reset(); |
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static double avg(); |
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static double avg_sd(); |
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}; |
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// |
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// Stat thread |
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// |
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class ZStat : public ConcurrentGCThread { |
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private: |
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static const uint64_t sample_hz = 1; |
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ZMetronome _metronome; |
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void sample_and_collect(ZStatSamplerHistory* history) const; |
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bool should_print(LogTargetHandle log) const; |
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void print(LogTargetHandle log, const ZStatSamplerHistory* history) const; |
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|
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protected: |
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virtual void run_service(); |
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virtual void stop_service(); |
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|
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public: |
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360 |
ZStat(); |
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|
361 |
}; |
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|
362 |
|
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363 |
// |
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|
364 |
// Stat cycle |
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365 |
// |
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366 |
class ZStatCycle : public AllStatic { |
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367 |
private: |
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368 |
static uint64_t _ncycles; |
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369 |
static Ticks _start_of_last; |
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370 |
static Ticks _end_of_last; |
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371 |
static NumberSeq _normalized_duration; |
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372 |
|
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373 |
public: |
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374 |
static void at_start(); |
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375 |
static void at_end(double boost_factor); |
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376 |
|
58701
5d10ba4a0468
8232001: ZGC: Ignore metaspace GC threshold until GC is warm
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58125
diff
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|
377 |
static bool is_first(); |
5d10ba4a0468
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378 |
static bool is_warm(); |
50525
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static uint64_t ncycles(); |
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380 |
static const AbsSeq& normalized_duration(); |
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381 |
static double time_since_last(); |
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|
382 |
}; |
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|
383 |
|
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|
384 |
// |
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|
385 |
// Stat load |
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386 |
// |
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|
387 |
class ZStatLoad : public AllStatic { |
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|
388 |
public: |
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389 |
static void print(); |
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|
390 |
}; |
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|
391 |
|
767cdb97f103
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|
392 |
// |
767cdb97f103
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|
393 |
// Stat mark |
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|
394 |
// |
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|
395 |
class ZStatMark : public AllStatic { |
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|
396 |
private: |
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|
397 |
static size_t _nstripes; |
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|
398 |
static size_t _nproactiveflush; |
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|
399 |
static size_t _nterminateflush; |
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400 |
static size_t _ntrycomplete; |
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|
401 |
static size_t _ncontinue; |
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|
402 |
|
767cdb97f103
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|
403 |
public: |
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|
404 |
static void set_at_mark_start(size_t nstripes); |
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|
405 |
static void set_at_mark_end(size_t nproactiveflush, |
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|
406 |
size_t nterminateflush, |
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|
407 |
size_t ntrycomplete, |
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|
408 |
size_t ncontinue); |
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|
409 |
|
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|
410 |
static void print(); |
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|
411 |
}; |
767cdb97f103
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changeset
|
412 |
|
767cdb97f103
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|
413 |
// |
767cdb97f103
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|
414 |
// Stat relocation |
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|
415 |
// |
767cdb97f103
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|
416 |
class ZStatRelocation : public AllStatic { |
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|
417 |
private: |
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|
418 |
static size_t _relocating; |
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|
419 |
static bool _success; |
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|
420 |
|
767cdb97f103
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|
421 |
public: |
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|
422 |
static void set_at_select_relocation_set(size_t relocating); |
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|
423 |
static void set_at_relocate_end(bool success); |
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|
424 |
|
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|
425 |
static void print(); |
767cdb97f103
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|
426 |
}; |
767cdb97f103
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changeset
|
427 |
|
767cdb97f103
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diff
changeset
|
428 |
// |
767cdb97f103
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|
429 |
// Stat nmethods |
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|
430 |
// |
767cdb97f103
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|
431 |
class ZStatNMethods : public AllStatic { |
767cdb97f103
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changeset
|
432 |
public: |
767cdb97f103
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changeset
|
433 |
static void print(); |
767cdb97f103
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diff
changeset
|
434 |
}; |
767cdb97f103
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diff
changeset
|
435 |
|
767cdb97f103
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parents:
diff
changeset
|
436 |
// |
50812
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents:
50525
diff
changeset
|
437 |
// Stat metaspace |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
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parents:
50525
diff
changeset
|
438 |
// |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
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parents:
50525
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changeset
|
439 |
class ZStatMetaspace : public AllStatic { |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
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parents:
50525
diff
changeset
|
440 |
public: |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents:
50525
diff
changeset
|
441 |
static void print(); |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
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parents:
50525
diff
changeset
|
442 |
}; |
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
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parents:
50525
diff
changeset
|
443 |
|
0d813fbd94ed
8205663: ZGC: Log metaspace used/capacity/committed/reserved
pliden
parents:
50525
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|
444 |
// |
50525
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|
445 |
// Stat references |
767cdb97f103
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|
446 |
// |
767cdb97f103
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changeset
|
447 |
class ZStatReferences : public AllStatic { |
767cdb97f103
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|
448 |
private: |
767cdb97f103
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|
449 |
static struct ZCount { |
767cdb97f103
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|
450 |
size_t encountered; |
767cdb97f103
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|
451 |
size_t discovered; |
767cdb97f103
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|
452 |
size_t enqueued; |
767cdb97f103
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|
453 |
} _soft, _weak, _final, _phantom; |
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changeset
|
454 |
|
767cdb97f103
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|
455 |
static void set(ZCount* count, size_t encountered, size_t discovered, size_t enqueued); |
767cdb97f103
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|
456 |
static void print(const char* name, const ZCount& ref); |
767cdb97f103
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diff
changeset
|
457 |
|
767cdb97f103
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diff
changeset
|
458 |
public: |
767cdb97f103
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changeset
|
459 |
static void set_soft(size_t encountered, size_t discovered, size_t enqueued); |
767cdb97f103
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|
460 |
static void set_weak(size_t encountered, size_t discovered, size_t enqueued); |
767cdb97f103
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|
461 |
static void set_final(size_t encountered, size_t discovered, size_t enqueued); |
767cdb97f103
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|
462 |
static void set_phantom(size_t encountered, size_t discovered, size_t enqueued); |
767cdb97f103
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changeset
|
463 |
|
767cdb97f103
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changeset
|
464 |
static void print(); |
767cdb97f103
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diff
changeset
|
465 |
}; |
767cdb97f103
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parents:
diff
changeset
|
466 |
|
767cdb97f103
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changeset
|
467 |
// |
767cdb97f103
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changeset
|
468 |
// Stat heap |
767cdb97f103
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parents:
diff
changeset
|
469 |
// |
767cdb97f103
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diff
changeset
|
470 |
class ZStatHeap : public AllStatic { |
767cdb97f103
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changeset
|
471 |
private: |
767cdb97f103
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diff
changeset
|
472 |
static struct ZAtInitialize { |
55285 | 473 |
size_t min_capacity; |
50525
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|
474 |
size_t max_capacity; |
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|
475 |
size_t max_reserve; |
767cdb97f103
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|
476 |
} _at_initialize; |
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changeset
|
477 |
|
767cdb97f103
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changeset
|
478 |
static struct ZAtMarkStart { |
55285 | 479 |
size_t soft_max_capacity; |
50525
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|
480 |
size_t capacity; |
767cdb97f103
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changeset
|
481 |
size_t reserve; |
767cdb97f103
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changeset
|
482 |
size_t used; |
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|
483 |
size_t free; |
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|
484 |
} _at_mark_start; |
767cdb97f103
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|
485 |
|
767cdb97f103
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|
486 |
static struct ZAtMarkEnd { |
767cdb97f103
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|
487 |
size_t capacity; |
767cdb97f103
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|
488 |
size_t reserve; |
767cdb97f103
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|
489 |
size_t allocated; |
767cdb97f103
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parents:
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|
490 |
size_t used; |
767cdb97f103
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parents:
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|
491 |
size_t free; |
767cdb97f103
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|
492 |
size_t live; |
767cdb97f103
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|
493 |
size_t garbage; |
767cdb97f103
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|
494 |
} _at_mark_end; |
767cdb97f103
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|
495 |
|
767cdb97f103
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|
496 |
static struct ZAtRelocateStart { |
767cdb97f103
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parents:
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|
497 |
size_t capacity; |
767cdb97f103
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parents:
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|
498 |
size_t reserve; |
767cdb97f103
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parents:
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|
499 |
size_t garbage; |
767cdb97f103
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parents:
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|
500 |
size_t allocated; |
767cdb97f103
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parents:
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|
501 |
size_t reclaimed; |
767cdb97f103
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parents:
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changeset
|
502 |
size_t used; |
767cdb97f103
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parents:
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changeset
|
503 |
size_t free; |
767cdb97f103
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parents:
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|
504 |
} _at_relocate_start; |
767cdb97f103
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changeset
|
505 |
|
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|
506 |
static struct ZAtRelocateEnd { |
767cdb97f103
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parents:
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|
507 |
size_t capacity; |
767cdb97f103
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parents:
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|
508 |
size_t capacity_high; |
767cdb97f103
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parents:
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|
509 |
size_t capacity_low; |
767cdb97f103
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parents:
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changeset
|
510 |
size_t reserve; |
767cdb97f103
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parents:
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changeset
|
511 |
size_t reserve_high; |
767cdb97f103
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parents:
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|
512 |
size_t reserve_low; |
767cdb97f103
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|
513 |
size_t garbage; |
767cdb97f103
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parents:
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|
514 |
size_t allocated; |
767cdb97f103
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parents:
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changeset
|
515 |
size_t reclaimed; |
767cdb97f103
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parents:
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|
516 |
size_t used; |
767cdb97f103
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parents:
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changeset
|
517 |
size_t used_high; |
767cdb97f103
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parents:
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changeset
|
518 |
size_t used_low; |
767cdb97f103
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parents:
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|
519 |
size_t free; |
767cdb97f103
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parents:
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changeset
|
520 |
size_t free_high; |
767cdb97f103
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parents:
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changeset
|
521 |
size_t free_low; |
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parents:
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|
522 |
} _at_relocate_end; |
767cdb97f103
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parents:
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|
523 |
|
58703 | 524 |
static size_t capacity_high(); |
525 |
static size_t capacity_low(); |
|
50525
767cdb97f103
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parents:
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|
526 |
static size_t available(size_t used); |
767cdb97f103
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parents:
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|
527 |
static size_t reserve(size_t used); |
767cdb97f103
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parents:
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|
528 |
static size_t free(size_t used); |
767cdb97f103
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parents:
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|
529 |
|
767cdb97f103
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|
530 |
public: |
55285 | 531 |
static void set_at_initialize(size_t min_capacity, |
532 |
size_t max_capacity, |
|
50525
767cdb97f103
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parents:
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|
533 |
size_t max_reserve); |
55285 | 534 |
static void set_at_mark_start(size_t soft_max_capacity, |
535 |
size_t capacity, |
|
50525
767cdb97f103
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parents:
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changeset
|
536 |
size_t used); |
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parents:
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|
537 |
static void set_at_mark_end(size_t capacity, |
767cdb97f103
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parents:
diff
changeset
|
538 |
size_t allocated, |
767cdb97f103
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parents:
diff
changeset
|
539 |
size_t used); |
767cdb97f103
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parents:
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changeset
|
540 |
static void set_at_select_relocation_set(size_t live, |
767cdb97f103
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parents:
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changeset
|
541 |
size_t garbage, |
767cdb97f103
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parents:
diff
changeset
|
542 |
size_t reclaimed); |
767cdb97f103
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parents:
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changeset
|
543 |
static void set_at_relocate_start(size_t capacity, |
767cdb97f103
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parents:
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changeset
|
544 |
size_t allocated, |
767cdb97f103
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parents:
diff
changeset
|
545 |
size_t used); |
767cdb97f103
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parents:
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changeset
|
546 |
static void set_at_relocate_end(size_t capacity, |
767cdb97f103
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parents:
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|
547 |
size_t allocated, |
767cdb97f103
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parents:
diff
changeset
|
548 |
size_t reclaimed, |
767cdb97f103
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pliden
parents:
diff
changeset
|
549 |
size_t used, |
767cdb97f103
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parents:
diff
changeset
|
550 |
size_t used_high, |
767cdb97f103
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parents:
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changeset
|
551 |
size_t used_low); |
767cdb97f103
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parents:
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changeset
|
552 |
|
767cdb97f103
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parents:
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changeset
|
553 |
static size_t max_capacity(); |
767cdb97f103
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parents:
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changeset
|
554 |
static size_t used_at_mark_start(); |
767cdb97f103
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parents:
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changeset
|
555 |
static size_t used_at_relocate_end(); |
767cdb97f103
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parents:
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|
556 |
|
767cdb97f103
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|
557 |
static void print(); |
767cdb97f103
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|
558 |
}; |
767cdb97f103
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|
559 |
|
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|
560 |
#endif // SHARE_GC_Z_ZSTAT_HPP |