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8212879: Make JVMTI TagMap table concurrent

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Co-authored-by: Kim Barrett <kbarrett@openjdk.org>
Co-authored-by: Coleen Phillimore <coleenp@openjdk.org>
Reviewed-by: stefank, ihse, zgu, eosterlund, sspitsyn, kbarrett
This commit is contained in:
Coleen Phillimore 2020-11-19 14:30:02 +00:00
parent 3a4b90f086
commit ba721f5f2f
49 changed files with 904 additions and 1127 deletions
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15
src/hotspot/share/gc/shared/weakProcessorPhaseTimes.hpp
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@ -43,15 +43,6 @@ class WeakProcessorPhaseTimes : public CHeapObj<mtGC> {
// Total time for weak processor.
double _total_time_sec;
// Total time and associated items for each serially processed phase.
static const uint phase_data_count = WeakProcessorPhases::serial_phase_count;
// +1 because serial_phase_count == 0 in some build configurations.
// Simpler to always allocate extra space than conditionalize.
double _phase_times_sec[phase_data_count + 1];
size_t _phase_dead_items[phase_data_count + 1];
size_t _phase_total_items[phase_data_count + 1];
void reset_phase_data();
// Per-worker times and linked items.
static const uint worker_data_count = WeakProcessorPhases::oopstorage_phase_count;
WorkerDataArray<double>* _worker_data[worker_data_count];
@ -108,14 +99,8 @@ private:
Ticks _start_time;
public:
// For tracking serial phase times.
// Precondition: WeakProcessorPhases::is_serial(phase)
WeakProcessorPhaseTimeTracker(WeakProcessorPhaseTimes* times,
WeakProcessorPhase phase);
// For tracking possibly parallel phase times (even if processed by
// only one thread).
// Precondition: WeakProcessorPhases::is_oopstorage(phase)
// Precondition: worker_id < times->max_threads().
WeakProcessorPhaseTimeTracker(WeakProcessorPhaseTimes* times,
WeakProcessorPhase phase,