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src/share/vm/gc/g1/g1GCPhaseTimes.cpp
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*** 1,7 ****
/*
! * Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*** 26,136 ****
#include "gc/g1/concurrentG1Refine.hpp"
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "gc/g1/g1GCPhaseTimes.hpp"
#include "gc/g1/g1StringDedup.hpp"
#include "gc/g1/workerDataArray.inline.hpp"
! #include "memory/allocation.hpp"
#include "logging/log.hpp"
#include "runtime/timer.hpp"
#include "runtime/os.hpp"
! // Helper class for avoiding interleaved logging
! class LineBuffer: public StackObj {
!
! private:
! static const int BUFFER_LEN = 1024;
! static const int INDENT_CHARS = 3;
! char _buffer[BUFFER_LEN];
! int _indent_level;
! int _cur;
!
! void vappend(const char* format, va_list ap) ATTRIBUTE_PRINTF(2, 0) {
! int res = vsnprintf(&_buffer[_cur], BUFFER_LEN - _cur, format, ap);
! if (res != -1) {
! _cur += res;
! } else {
! DEBUG_ONLY(warning("buffer too small in LineBuffer");)
! _buffer[BUFFER_LEN -1] = 0;
! _cur = BUFFER_LEN; // vsnprintf above should not add to _buffer if we are called again
! }
! }
!
! public:
! explicit LineBuffer(int indent_level): _indent_level(indent_level), _cur(0) {
! for (; (_cur < BUFFER_LEN && _cur < (_indent_level * INDENT_CHARS)); _cur++) {
! _buffer[_cur] = ' ';
! }
! }
!
! #ifndef PRODUCT
! ~LineBuffer() {
! assert(_cur == _indent_level * INDENT_CHARS, "pending data in buffer - append_and_print_cr() not called?");
! }
! #endif
!
! void append(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) {
! va_list ap;
! va_start(ap, format);
! vappend(format, ap);
! va_end(ap);
! }
!
! const char* to_string() {
! _cur = _indent_level * INDENT_CHARS;
! return _buffer;
! }
! };
!
! static const char* Indents[4] = {"", " ", " ", " "};
G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
_max_gc_threads(max_gc_threads)
{
assert(max_gc_threads > 0, "Must have some GC threads");
! _gc_par_phases[GCWorkerStart] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Start:", false, 2);
! _gc_par_phases[ExtRootScan] = new WorkerDataArray<double>(max_gc_threads, "Ext Root Scanning:", true, 2);
// Root scanning phases
! _gc_par_phases[ThreadRoots] = new WorkerDataArray<double>(max_gc_threads, "Thread Roots:", true, 3);
! _gc_par_phases[StringTableRoots] = new WorkerDataArray<double>(max_gc_threads, "StringTable Roots:", true, 3);
! _gc_par_phases[UniverseRoots] = new WorkerDataArray<double>(max_gc_threads, "Universe Roots:", true, 3);
! _gc_par_phases[JNIRoots] = new WorkerDataArray<double>(max_gc_threads, "JNI Handles Roots:", true, 3);
! _gc_par_phases[ObjectSynchronizerRoots] = new WorkerDataArray<double>(max_gc_threads, "ObjectSynchronizer Roots:", true, 3);
! _gc_par_phases[FlatProfilerRoots] = new WorkerDataArray<double>(max_gc_threads, "FlatProfiler Roots:", true, 3);
! _gc_par_phases[ManagementRoots] = new WorkerDataArray<double>(max_gc_threads, "Management Roots:", true, 3);
! _gc_par_phases[SystemDictionaryRoots] = new WorkerDataArray<double>(max_gc_threads, "SystemDictionary Roots:", true, 3);
! _gc_par_phases[CLDGRoots] = new WorkerDataArray<double>(max_gc_threads, "CLDG Roots:", true, 3);
! _gc_par_phases[JVMTIRoots] = new WorkerDataArray<double>(max_gc_threads, "JVMTI Roots:", true, 3);
! _gc_par_phases[CMRefRoots] = new WorkerDataArray<double>(max_gc_threads, "CM RefProcessor Roots:", true, 3);
! _gc_par_phases[WaitForStrongCLD] = new WorkerDataArray<double>(max_gc_threads, "Wait For Strong CLD:", true, 3);
! _gc_par_phases[WeakCLDRoots] = new WorkerDataArray<double>(max_gc_threads, "Weak CLD Roots:", true, 3);
! _gc_par_phases[SATBFiltering] = new WorkerDataArray<double>(max_gc_threads, "SATB Filtering:", true, 3);
!
! _gc_par_phases[UpdateRS] = new WorkerDataArray<double>(max_gc_threads, "Update RS:", true, 2);
! _gc_par_phases[ScanHCC] = new WorkerDataArray<double>(max_gc_threads, "Scan HCC:", true, 3);
! _gc_par_phases[ScanHCC]->set_enabled(ConcurrentG1Refine::hot_card_cache_enabled());
! _gc_par_phases[ScanRS] = new WorkerDataArray<double>(max_gc_threads, "Scan RS:", true, 2);
! _gc_par_phases[CodeRoots] = new WorkerDataArray<double>(max_gc_threads, "Code Root Scanning:", true, 2);
! _gc_par_phases[ObjCopy] = new WorkerDataArray<double>(max_gc_threads, "Object Copy:", true, 2);
! _gc_par_phases[Termination] = new WorkerDataArray<double>(max_gc_threads, "Termination:", true, 2);
! _gc_par_phases[GCWorkerTotal] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Total:", true, 2);
! _gc_par_phases[GCWorkerEnd] = new WorkerDataArray<double>(max_gc_threads, "GC Worker End:", false, 2);
! _gc_par_phases[Other] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Other:", true, 2);
! _update_rs_processed_buffers = new WorkerDataArray<size_t>(max_gc_threads, "Processed Buffers:", true, 3);
_gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_processed_buffers);
! _termination_attempts = new WorkerDataArray<size_t>(max_gc_threads, "Termination Attempts:", true, 3);
_gc_par_phases[Termination]->link_thread_work_items(_termination_attempts);
! _gc_par_phases[StringDedupQueueFixup] = new WorkerDataArray<double>(max_gc_threads, "Queue Fixup:", true, 2);
! _gc_par_phases[StringDedupTableFixup] = new WorkerDataArray<double>(max_gc_threads, "Table Fixup:", true, 2);
! _gc_par_phases[RedirtyCards] = new WorkerDataArray<double>(max_gc_threads, "Parallel Redirty:", true, 3);
! _redirtied_cards = new WorkerDataArray<size_t>(max_gc_threads, "Redirtied Cards:", true, 3);
_gc_par_phases[RedirtyCards]->link_thread_work_items(_redirtied_cards);
}
void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
assert(active_gc_threads > 0, "The number of threads must be > 0");
assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max number of threads");
--- 26,99 ----
#include "gc/g1/concurrentG1Refine.hpp"
#include "gc/g1/g1CollectedHeap.inline.hpp"
#include "gc/g1/g1GCPhaseTimes.hpp"
#include "gc/g1/g1StringDedup.hpp"
#include "gc/g1/workerDataArray.inline.hpp"
! #include "memory/resourceArea.hpp"
#include "logging/log.hpp"
#include "runtime/timer.hpp"
#include "runtime/os.hpp"
! static const char* Indents[5] = {"", " ", " ", " ", " "};
G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
_max_gc_threads(max_gc_threads)
{
assert(max_gc_threads > 0, "Must have some GC threads");
! _gc_par_phases[GCWorkerStart] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Start (ms):");
! _gc_par_phases[ExtRootScan] = new WorkerDataArray<double>(max_gc_threads, "Ext Root Scanning (ms):");
// Root scanning phases
! _gc_par_phases[ThreadRoots] = new WorkerDataArray<double>(max_gc_threads, "Thread Roots (ms):");
! _gc_par_phases[StringTableRoots] = new WorkerDataArray<double>(max_gc_threads, "StringTable Roots (ms):");
! _gc_par_phases[UniverseRoots] = new WorkerDataArray<double>(max_gc_threads, "Universe Roots (ms):");
! _gc_par_phases[JNIRoots] = new WorkerDataArray<double>(max_gc_threads, "JNI Handles Roots (ms):");
! _gc_par_phases[ObjectSynchronizerRoots] = new WorkerDataArray<double>(max_gc_threads, "ObjectSynchronizer Roots (ms):");
! _gc_par_phases[FlatProfilerRoots] = new WorkerDataArray<double>(max_gc_threads, "FlatProfiler Roots (ms):");
! _gc_par_phases[ManagementRoots] = new WorkerDataArray<double>(max_gc_threads, "Management Roots (ms):");
! _gc_par_phases[SystemDictionaryRoots] = new WorkerDataArray<double>(max_gc_threads, "SystemDictionary Roots (ms):");
! _gc_par_phases[CLDGRoots] = new WorkerDataArray<double>(max_gc_threads, "CLDG Roots (ms):");
! _gc_par_phases[JVMTIRoots] = new WorkerDataArray<double>(max_gc_threads, "JVMTI Roots (ms):");
! _gc_par_phases[CMRefRoots] = new WorkerDataArray<double>(max_gc_threads, "CM RefProcessor Roots (ms):");
! _gc_par_phases[WaitForStrongCLD] = new WorkerDataArray<double>(max_gc_threads, "Wait For Strong CLD (ms):");
! _gc_par_phases[WeakCLDRoots] = new WorkerDataArray<double>(max_gc_threads, "Weak CLD Roots (ms):");
! _gc_par_phases[SATBFiltering] = new WorkerDataArray<double>(max_gc_threads, "SATB Filtering (ms):");
!
! _gc_par_phases[UpdateRS] = new WorkerDataArray<double>(max_gc_threads, "Update RS (ms):");
! if (ConcurrentG1Refine::hot_card_cache_enabled()) {
! _gc_par_phases[ScanHCC] = new WorkerDataArray<double>(max_gc_threads, "Scan HCC (ms):");
! } else {
! _gc_par_phases[ScanHCC] = NULL;
! }
! _gc_par_phases[ScanRS] = new WorkerDataArray<double>(max_gc_threads, "Scan RS (ms):");
! _gc_par_phases[CodeRoots] = new WorkerDataArray<double>(max_gc_threads, "Code Root Scanning (ms):");
! _gc_par_phases[ObjCopy] = new WorkerDataArray<double>(max_gc_threads, "Object Copy (ms):");
! _gc_par_phases[Termination] = new WorkerDataArray<double>(max_gc_threads, "Termination (ms):");
! _gc_par_phases[GCWorkerTotal] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Total (ms):");
! _gc_par_phases[GCWorkerEnd] = new WorkerDataArray<double>(max_gc_threads, "GC Worker End (ms):");
! _gc_par_phases[Other] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Other (ms):");
! _update_rs_processed_buffers = new WorkerDataArray<size_t>(max_gc_threads, "Processed Buffers:");
_gc_par_phases[UpdateRS]->link_thread_work_items(_update_rs_processed_buffers);
! _termination_attempts = new WorkerDataArray<size_t>(max_gc_threads, "Termination Attempts:");
_gc_par_phases[Termination]->link_thread_work_items(_termination_attempts);
! if (UseStringDeduplication) {
! _gc_par_phases[StringDedupQueueFixup] = new WorkerDataArray<double>(max_gc_threads, "Queue Fixup (ms):");
! _gc_par_phases[StringDedupTableFixup] = new WorkerDataArray<double>(max_gc_threads, "Table Fixup (ms):");
! } else {
! _gc_par_phases[StringDedupQueueFixup] = NULL;
! _gc_par_phases[StringDedupTableFixup] = NULL;
! }
! _gc_par_phases[RedirtyCards] = new WorkerDataArray<double>(max_gc_threads, "Parallel Redirty (ms):");
! _redirtied_cards = new WorkerDataArray<size_t>(max_gc_threads, "Redirtied Cards:");
_gc_par_phases[RedirtyCards]->link_thread_work_items(_redirtied_cards);
+
+ _gc_par_phases[PreserveCMReferents] = new WorkerDataArray<double>(max_gc_threads, "Parallel Preserve CM Refs (ms):");
}
void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
assert(active_gc_threads > 0, "The number of threads must be > 0");
assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max number of threads");
*** 138,152 ****
_active_gc_threads = active_gc_threads;
_cur_expand_heap_time_ms = 0.0;
_external_accounted_time_ms = 0.0;
for (int i = 0; i < GCParPhasesSentinel; i++) {
_gc_par_phases[i]->reset();
}
!
! _gc_par_phases[StringDedupQueueFixup]->set_enabled(G1StringDedup::is_enabled());
! _gc_par_phases[StringDedupTableFixup]->set_enabled(G1StringDedup::is_enabled());
}
void G1GCPhaseTimes::note_gc_end() {
_gc_pause_time_ms = TimeHelper::counter_to_millis(os::elapsed_counter() - _gc_start_counter);
for (uint i = 0; i < _active_gc_threads; i++) {
--- 101,114 ----
_active_gc_threads = active_gc_threads;
_cur_expand_heap_time_ms = 0.0;
_external_accounted_time_ms = 0.0;
for (int i = 0; i < GCParPhasesSentinel; i++) {
+ if (_gc_par_phases[i] != NULL) {
_gc_par_phases[i]->reset();
}
! }
}
void G1GCPhaseTimes::note_gc_end() {
_gc_pause_time_ms = TimeHelper::counter_to_millis(os::elapsed_counter() - _gc_start_counter);
for (uint i = 0; i < _active_gc_threads; i++) {
*** 164,210 ****
record_time_secs(Other, i, worker_time - worker_known_time);
}
for (int i = 0; i < GCParPhasesSentinel; i++) {
_gc_par_phases[i]->verify(_active_gc_threads);
}
- }
-
- void G1GCPhaseTimes::print_stats(const char* indent, const char* str, double value) {
- log_debug(gc, phases)("%s%s: %.1lf ms", indent, str, value);
- }
-
- double G1GCPhaseTimes::accounted_time_ms() {
- // First subtract any externally accounted time
- double misc_time_ms = _external_accounted_time_ms;
-
- // Subtract the root region scanning wait time. It's initialized to
- // zero at the start of the pause.
- misc_time_ms += _root_region_scan_wait_time_ms;
-
- misc_time_ms += _cur_collection_par_time_ms;
-
- // Now subtract the time taken to fix up roots in generated code
- misc_time_ms += _cur_collection_code_root_fixup_time_ms;
-
- // Strong code root purge time
- misc_time_ms += _cur_strong_code_root_purge_time_ms;
-
- if (G1StringDedup::is_enabled()) {
- // String dedup fixup time
- misc_time_ms += _cur_string_dedup_fixup_time_ms;
}
-
- // Subtract the time taken to clean the card table from the
- // current value of "other time"
- misc_time_ms += _cur_clear_ct_time_ms;
-
- // Remove expand heap time from "other time"
- misc_time_ms += _cur_expand_heap_time_ms;
-
- return misc_time_ms;
}
// record the time a phase took in seconds
void G1GCPhaseTimes::record_time_secs(GCParPhases phase, uint worker_i, double secs) {
_gc_par_phases[phase]->set(worker_i, secs);
--- 126,139 ----
record_time_secs(Other, i, worker_time - worker_known_time);
}
for (int i = 0; i < GCParPhasesSentinel; i++) {
+ if (_gc_par_phases[i] != NULL) {
_gc_par_phases[i]->verify(_active_gc_threads);
}
}
}
// record the time a phase took in seconds
void G1GCPhaseTimes::record_time_secs(GCParPhases phase, uint worker_i, double secs) {
_gc_par_phases[phase]->set(worker_i, secs);
*** 222,418 ****
// return the average time for a phase in milliseconds
double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
return _gc_par_phases[phase]->average(_active_gc_threads) * 1000.0;
}
- double G1GCPhaseTimes::get_time_ms(GCParPhases phase, uint worker_i) {
- return _gc_par_phases[phase]->get(worker_i) * 1000.0;
- }
-
- double G1GCPhaseTimes::sum_time_ms(GCParPhases phase) {
- return _gc_par_phases[phase]->sum(_active_gc_threads) * 1000.0;
- }
-
- double G1GCPhaseTimes::min_time_ms(GCParPhases phase) {
- return _gc_par_phases[phase]->minimum(_active_gc_threads) * 1000.0;
- }
-
- double G1GCPhaseTimes::max_time_ms(GCParPhases phase) {
- return _gc_par_phases[phase]->maximum(_active_gc_threads) * 1000.0;
- }
-
- size_t G1GCPhaseTimes::get_thread_work_item(GCParPhases phase, uint worker_i) {
- assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
- return _gc_par_phases[phase]->thread_work_items()->get(worker_i);
- }
-
size_t G1GCPhaseTimes::sum_thread_work_items(GCParPhases phase) {
assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
return _gc_par_phases[phase]->thread_work_items()->sum(_active_gc_threads);
}
! double G1GCPhaseTimes::average_thread_work_items(GCParPhases phase) {
! assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
! return _gc_par_phases[phase]->thread_work_items()->average(_active_gc_threads);
! }
!
! size_t G1GCPhaseTimes::min_thread_work_items(GCParPhases phase) {
! assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
! return _gc_par_phases[phase]->thread_work_items()->minimum(_active_gc_threads);
! }
!
! size_t G1GCPhaseTimes::max_thread_work_items(GCParPhases phase) {
! assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
! return _gc_par_phases[phase]->thread_work_items()->maximum(_active_gc_threads);
! }
!
! class G1GCParPhasePrinter : public StackObj {
! G1GCPhaseTimes* _phase_times;
! public:
! G1GCParPhasePrinter(G1GCPhaseTimes* phase_times) : _phase_times(phase_times) {}
!
! void print(G1GCPhaseTimes::GCParPhases phase_id) {
! WorkerDataArray<double>* phase = _phase_times->_gc_par_phases[phase_id];
!
! if (phase->_length == 1) {
! print_single_length(phase_id, phase);
! } else {
! print_multi_length(phase_id, phase);
! }
}
! private:
! void print_single_length(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
! // No need for min, max, average and sum for only one worker
! log_debug(gc, phases)("%s%s: %.1lf", Indents[phase->_indent_level], phase->_title, _phase_times->get_time_ms(phase_id, 0));
!
! WorkerDataArray<size_t>* work_items = phase->_thread_work_items;
if (work_items != NULL) {
! log_debug(gc, phases)("%s%s: " SIZE_FORMAT, Indents[work_items->_indent_level], work_items->_title, _phase_times->sum_thread_work_items(phase_id));
! }
}
! void print_time_values(const char* indent, G1GCPhaseTimes::GCParPhases phase_id) {
! if (log_is_enabled(Trace, gc)) {
! LineBuffer buf(0);
! uint active_length = _phase_times->_active_gc_threads;
! for (uint i = 0; i < active_length; ++i) {
! buf.append(" %4.1lf", _phase_times->get_time_ms(phase_id, i));
! }
! const char* line = buf.to_string();
! log_trace(gc, phases)("%s%-25s%s", indent, "", line);
! }
}
! void print_count_values(const char* indent, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
! if (log_is_enabled(Trace, gc)) {
! LineBuffer buf(0);
! uint active_length = _phase_times->_active_gc_threads;
! for (uint i = 0; i < active_length; ++i) {
! buf.append(" " SIZE_FORMAT, _phase_times->get_thread_work_item(phase_id, i));
! }
! const char* line = buf.to_string();
! log_trace(gc, phases)("%s%-25s%s", indent, "", line);
! }
}
! void print_thread_work_items(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
! const char* indent = Indents[thread_work_items->_indent_level];
! assert(thread_work_items->_print_sum, "%s does not have print sum true even though it is a count", thread_work_items->_title);
! log_debug(gc, phases)("%s%-25s Min: " SIZE_FORMAT ", Avg: %4.1lf, Max: " SIZE_FORMAT ", Diff: " SIZE_FORMAT ", Sum: " SIZE_FORMAT,
! indent, thread_work_items->_title,
! _phase_times->min_thread_work_items(phase_id), _phase_times->average_thread_work_items(phase_id), _phase_times->max_thread_work_items(phase_id),
! _phase_times->max_thread_work_items(phase_id) - _phase_times->min_thread_work_items(phase_id), _phase_times->sum_thread_work_items(phase_id));
! print_count_values(indent, phase_id, thread_work_items);
! }
! void print_multi_length(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
! const char* indent = Indents[phase->_indent_level];
!
! if (phase->_print_sum) {
! log_debug(gc, phases)("%s%-25s Min: %4.1lf, Avg: %4.1lf, Max: %4.1lf, Diff: %4.1lf, Sum: %4.1lf",
! indent, phase->_title,
! _phase_times->min_time_ms(phase_id), _phase_times->average_time_ms(phase_id), _phase_times->max_time_ms(phase_id),
! _phase_times->max_time_ms(phase_id) - _phase_times->min_time_ms(phase_id), _phase_times->sum_time_ms(phase_id));
! } else {
! log_debug(gc, phases)("%s%-25s Min: %4.1lf, Avg: %4.1lf, Max: %4.1lf, Diff: %4.1lf",
! indent, phase->_title,
! _phase_times->min_time_ms(phase_id), _phase_times->average_time_ms(phase_id), _phase_times->max_time_ms(phase_id),
! _phase_times->max_time_ms(phase_id) - _phase_times->min_time_ms(phase_id));
! }
! print_time_values(indent, phase_id);
! if (phase->_thread_work_items != NULL) {
! print_thread_work_items(phase_id, phase->_thread_work_items);
! }
! }
! };
void G1GCPhaseTimes::print() {
note_gc_end();
! G1GCParPhasePrinter par_phase_printer(this);
!
if (_root_region_scan_wait_time_ms > 0.0) {
! print_stats(Indents[1], "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
}
! print_stats(Indents[1], "Parallel Time", _cur_collection_par_time_ms);
! for (int i = 0; i <= GCMainParPhasesLast; i++) {
! par_phase_printer.print((GCParPhases) i);
! }
- print_stats(Indents[1], "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
- print_stats(Indents[1], "Code Root Purge", _cur_strong_code_root_purge_time_ms);
if (G1StringDedup::is_enabled()) {
! print_stats(Indents[1], "String Dedup Fixup", _cur_string_dedup_fixup_time_ms);
! for (int i = StringDedupPhasesFirst; i <= StringDedupPhasesLast; i++) {
! par_phase_printer.print((GCParPhases) i);
! }
! }
! print_stats(Indents[1], "Clear CT", _cur_clear_ct_time_ms);
! print_stats(Indents[1], "Expand Heap After Collection", _cur_expand_heap_time_ms);
! double misc_time_ms = _gc_pause_time_ms - accounted_time_ms();
! print_stats(Indents[1], "Other", misc_time_ms);
if (_cur_verify_before_time_ms > 0.0) {
! print_stats(Indents[2], "Verify Before", _cur_verify_before_time_ms);
}
if (G1CollectedHeap::heap()->evacuation_failed()) {
double evac_fail_handling = _cur_evac_fail_recalc_used + _cur_evac_fail_remove_self_forwards +
_cur_evac_fail_restore_remsets;
! print_stats(Indents[2], "Evacuation Failure", evac_fail_handling);
! log_trace(gc, phases)("%sRecalculate Used: %.1lf ms", Indents[3], _cur_evac_fail_recalc_used);
! log_trace(gc, phases)("%sRemove Self Forwards: %.1lf ms", Indents[3], _cur_evac_fail_remove_self_forwards);
! log_trace(gc, phases)("%sRestore RemSet: %.1lf ms", Indents[3], _cur_evac_fail_restore_remsets);
! }
! print_stats(Indents[2], "Choose CSet",
! (_recorded_young_cset_choice_time_ms +
! _recorded_non_young_cset_choice_time_ms));
! print_stats(Indents[2], "Ref Proc", _cur_ref_proc_time_ms);
! print_stats(Indents[2], "Ref Enq", _cur_ref_enq_time_ms);
! print_stats(Indents[2], "Redirty Cards", _recorded_redirty_logged_cards_time_ms);
! par_phase_printer.print(RedirtyCards);
if (G1EagerReclaimHumongousObjects) {
! print_stats(Indents[2], "Humongous Register", _cur_fast_reclaim_humongous_register_time_ms);
!
! log_trace(gc, phases)("%sHumongous Total: " SIZE_FORMAT, Indents[3], _cur_fast_reclaim_humongous_total);
! log_trace(gc, phases)("%sHumongous Candidate: " SIZE_FORMAT, Indents[3], _cur_fast_reclaim_humongous_candidates);
! print_stats(Indents[2], "Humongous Reclaim", _cur_fast_reclaim_humongous_time_ms);
! log_trace(gc, phases)("%sHumongous Reclaimed: " SIZE_FORMAT, Indents[3], _cur_fast_reclaim_humongous_reclaimed);
! }
! print_stats(Indents[2], "Free CSet",
! (_recorded_young_free_cset_time_ms +
! _recorded_non_young_free_cset_time_ms));
! log_trace(gc, phases)("%sYoung Free CSet: %.1lf ms", Indents[3], _recorded_young_free_cset_time_ms);
! log_trace(gc, phases)("%sNon-Young Free CSet: %.1lf ms", Indents[3], _recorded_non_young_free_cset_time_ms);
if (_cur_verify_after_time_ms > 0.0) {
! print_stats(Indents[2], "Verify After", _cur_verify_after_time_ms);
}
}
G1GCParPhaseTimesTracker::G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id) :
_phase_times(phase_times), _phase(phase), _worker_id(worker_id) {
--- 151,298 ----
// return the average time for a phase in milliseconds
double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
return _gc_par_phases[phase]->average(_active_gc_threads) * 1000.0;
}
size_t G1GCPhaseTimes::sum_thread_work_items(GCParPhases phase) {
assert(_gc_par_phases[phase]->thread_work_items() != NULL, "No sub count");
return _gc_par_phases[phase]->thread_work_items()->sum(_active_gc_threads);
}
! template <class T>
! void G1GCPhaseTimes::details(T* phase, const char* indent) {
! LogHandle(gc, phases, task) log;
! if (log.is_level(LogLevel::Trace)) {
! outputStream* trace_out = log.trace_stream();
! trace_out->print("%s", indent);
! phase->print_details_on(trace_out, _active_gc_threads);
}
+ }
+ void G1GCPhaseTimes::log_phase(WorkerDataArray<double>* phase, uint indent, outputStream* out, bool print_sum) {
+ out->print("%s", Indents[indent]);
+ phase->print_summary_on(out, _active_gc_threads, print_sum);
+ details(phase, Indents[indent]);
! WorkerDataArray<size_t>* work_items = phase->thread_work_items();
if (work_items != NULL) {
! out->print("%s", Indents[indent + 1]);
! work_items->print_summary_on(out, _active_gc_threads, true);
! details(work_items, Indents[indent + 1]);
}
+ }
! void G1GCPhaseTimes::debug_phase(WorkerDataArray<double>* phase) {
! LogHandle(gc, phases) log;
! if (log.is_level(LogLevel::Debug)) {
! ResourceMark rm;
! log_phase(phase, 2, log.debug_stream(), true);
}
+ }
! void G1GCPhaseTimes::trace_phase(WorkerDataArray<double>* phase, bool print_sum) {
! LogHandle(gc, phases) log;
! if (log.is_level(LogLevel::Trace)) {
! ResourceMark rm;
! log_phase(phase, 3, log.trace_stream(), print_sum);
}
+ }
! #define PHASE_DOUBLE_FORMAT "%s%s: %.1lfms"
! #define PHASE_SIZE_FORMAT "%s%s: " SIZE_FORMAT
! #define info_line(str, value) \
! log_info(gc, phases)(PHASE_DOUBLE_FORMAT, Indents[1], str, value);
! #define debug_line(str, value) \
! log_debug(gc, phases)(PHASE_DOUBLE_FORMAT, Indents[2], str, value);
! #define trace_line(str, value) \
! log_trace(gc, phases)(PHASE_DOUBLE_FORMAT, Indents[3], str, value);
! #define trace_line_sz(str, value) \
! log_trace(gc, phases)(PHASE_SIZE_FORMAT, Indents[3], str, value);
! #define trace_line_ms(str, value) \
! log_trace(gc, phases)(PHASE_SIZE_FORMAT, Indents[3], str, value);
! #define info_line_and_account(str, value) \
! info_line(str, value); \
! accounted_time_ms += value;
void G1GCPhaseTimes::print() {
note_gc_end();
! double accounted_time_ms = _external_accounted_time_ms;
if (_root_region_scan_wait_time_ms > 0.0) {
! info_line_and_account("Root Region Scan Waiting", _root_region_scan_wait_time_ms);
}
! info_line_and_account("Evacuate Collection Set", _cur_collection_par_time_ms);
! trace_phase(_gc_par_phases[GCWorkerStart], false);
! debug_phase(_gc_par_phases[ExtRootScan]);
! for (int i = ThreadRoots; i <= SATBFiltering; i++) {
! trace_phase(_gc_par_phases[i]);
! }
! debug_phase(_gc_par_phases[UpdateRS]);
! if (ConcurrentG1Refine::hot_card_cache_enabled()) {
! trace_phase(_gc_par_phases[ScanHCC]);
! }
! debug_phase(_gc_par_phases[ScanRS]);
! debug_phase(_gc_par_phases[CodeRoots]);
! debug_phase(_gc_par_phases[ObjCopy]);
! debug_phase(_gc_par_phases[Termination]);
! debug_phase(_gc_par_phases[Other]);
! debug_phase(_gc_par_phases[GCWorkerTotal]);
! trace_phase(_gc_par_phases[GCWorkerEnd], false);
!
! info_line_and_account("Code Roots", _cur_collection_code_root_fixup_time_ms + _cur_strong_code_root_purge_time_ms);
! debug_line("Code Roots Fixup", _cur_collection_code_root_fixup_time_ms);
! debug_line("Code Roots Purge", _cur_strong_code_root_purge_time_ms);
if (G1StringDedup::is_enabled()) {
! info_line_and_account("String Dedup Fixup", _cur_string_dedup_fixup_time_ms);
! debug_phase(_gc_par_phases[StringDedupQueueFixup]);
! debug_phase(_gc_par_phases[StringDedupTableFixup]);
! }
! info_line_and_account("Clear Card Table", _cur_clear_ct_time_ms);
! info_line_and_account("Expand Heap After Collection", _cur_expand_heap_time_ms);
!
! double free_cset_time = _recorded_young_free_cset_time_ms + _recorded_non_young_free_cset_time_ms;
! info_line_and_account("Free Collection Set", free_cset_time);
! debug_line("Young Free Collection Set", _recorded_young_free_cset_time_ms);
! debug_line("Non-Young Free Collection Set", _recorded_non_young_free_cset_time_ms);
! info_line_and_account("Merge Per-Thread State", _recorded_merge_pss_time_ms);
!
! info_line("Other", _gc_pause_time_ms - accounted_time_ms);
if (_cur_verify_before_time_ms > 0.0) {
! debug_line("Verify Before", _cur_verify_before_time_ms);
}
if (G1CollectedHeap::heap()->evacuation_failed()) {
double evac_fail_handling = _cur_evac_fail_recalc_used + _cur_evac_fail_remove_self_forwards +
_cur_evac_fail_restore_remsets;
! debug_line("Evacuation Failure", evac_fail_handling);
! trace_line("Recalculate Used", _cur_evac_fail_recalc_used);
! trace_line("Remove Self Forwards",_cur_evac_fail_remove_self_forwards);
! trace_line("Restore RemSet", _cur_evac_fail_restore_remsets);
! }
! debug_line("Choose CSet", (_recorded_young_cset_choice_time_ms + _recorded_non_young_cset_choice_time_ms));
! debug_line("Preserve CM Refs", _recorded_preserve_cm_referents_time_ms);
! debug_line("Ref Proc", _cur_ref_proc_time_ms);
! debug_line("Ref Enq", _cur_ref_enq_time_ms);
! debug_line("Redirty Cards", _recorded_redirty_logged_cards_time_ms);
! trace_phase(_gc_par_phases[RedirtyCards]);
! trace_phase(_gc_par_phases[PreserveCMReferents]);
if (G1EagerReclaimHumongousObjects) {
! debug_line("Humongous Register", _cur_fast_reclaim_humongous_register_time_ms);
! trace_line_sz("Humongous Total", _cur_fast_reclaim_humongous_total);
! trace_line_sz("Humongous Candidate", _cur_fast_reclaim_humongous_candidates);
! debug_line("Humongous Reclaim", _cur_fast_reclaim_humongous_time_ms);
! trace_line_sz("Humongous Reclaimed", _cur_fast_reclaim_humongous_reclaimed);
! }
if (_cur_verify_after_time_ms > 0.0) {
! debug_line("Verify After", _cur_verify_after_time_ms);
}
}
G1GCParPhaseTimesTracker::G1GCParPhaseTimesTracker(G1GCPhaseTimes* phase_times, G1GCPhaseTimes::GCParPhases phase, uint worker_id) :
_phase_times(phase_times), _phase(phase), _worker_id(worker_id) {
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