8074037: Refactor the G1GCPhaseTime logging to make it easier to add new phases

Reviewed-by: tschatzl, mgerdin, ecaspole
This commit is contained in:
Bengt Rutisson 2015-03-12 10:11:20 +01:00
parent 1a4c355bbc
commit 395543dadc
8 changed files with 496 additions and 419 deletions

View file

@ -22,13 +22,13 @@
*
*/
#include "precompiled.hpp"
#include "gc_implementation/g1/g1CollectedHeap.inline.hpp"
#include "gc_implementation/g1/g1GCPhaseTimes.hpp"
#include "gc_implementation/g1/g1Log.hpp"
#include "gc_implementation/g1/g1StringDedup.hpp"
#include "runtime/atomic.inline.hpp"
#include "memory/allocation.hpp"
#include "runtime/os.hpp"
// Helper class for avoiding interleaved logging
class LineBuffer: public StackObj {
@ -71,184 +71,243 @@ public:
va_end(ap);
}
void print_cr() {
gclog_or_tty->print_cr("%s", _buffer);
_cur = _indent_level * INDENT_CHARS;
}
void append_and_print_cr(const char* format, ...) ATTRIBUTE_PRINTF(2, 3) {
va_list ap;
va_start(ap, format);
vappend(format, ap);
va_end(ap);
gclog_or_tty->print_cr("%s", _buffer);
_cur = _indent_level * INDENT_CHARS;
print_cr();
}
};
PRAGMA_DIAG_PUSH
PRAGMA_FORMAT_NONLITERAL_IGNORED
template <class T>
void WorkerDataArray<T>::print(int level, const char* title) {
if (_length == 1) {
// No need for min, max, average and sum for only one worker
LineBuffer buf(level);
buf.append("[%s: ", title);
buf.append(_print_format, _data[0]);
buf.append_and_print_cr("]");
return;
class WorkerDataArray : public CHeapObj<mtGC> {
friend class G1GCParPhasePrinter;
T* _data;
uint _length;
const char* _title;
bool _print_sum;
int _log_level;
uint _indent_level;
bool _enabled;
WorkerDataArray<size_t>* _thread_work_items;
NOT_PRODUCT(T uninitialized();)
// We are caching the sum and average to only have to calculate them once.
// This is not done in an MT-safe way. It is intended to allow single
// threaded code to call sum() and average() multiple times in any order
// without having to worry about the cost.
bool _has_new_data;
T _sum;
T _min;
T _max;
double _average;
public:
WorkerDataArray(uint length, const char* title, bool print_sum, int log_level, uint indent_level) :
_title(title), _length(0), _print_sum(print_sum), _log_level(log_level), _indent_level(indent_level),
_has_new_data(true), _thread_work_items(NULL), _enabled(true) {
assert(length > 0, "Must have some workers to store data for");
_length = length;
_data = NEW_C_HEAP_ARRAY(T, _length, mtGC);
}
T min = _data[0];
T max = _data[0];
T sum = 0;
~WorkerDataArray() {
FREE_C_HEAP_ARRAY(T, _data);
}
LineBuffer buf(level);
buf.append("[%s:", title);
for (uint i = 0; i < _length; ++i) {
T val = _data[i];
min = MIN2(val, min);
max = MAX2(val, max);
sum += val;
if (G1Log::finest()) {
buf.append(" ");
buf.append(_print_format, val);
void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items) {
_thread_work_items = thread_work_items;
}
WorkerDataArray<size_t>* thread_work_items() { return _thread_work_items; }
void set(uint worker_i, T value) {
assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
assert(_data[worker_i] == WorkerDataArray<T>::uninitialized(), err_msg("Overwriting data for worker %d in %s", worker_i, _title));
_data[worker_i] = value;
_has_new_data = true;
}
void set_thread_work_item(uint worker_i, size_t value) {
assert(_thread_work_items != NULL, "No sub count");
_thread_work_items->set(worker_i, value);
}
T get(uint worker_i) {
assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
assert(_data[worker_i] != WorkerDataArray<T>::uninitialized(), err_msg("No data added for worker %d", worker_i));
return _data[worker_i];
}
void add(uint worker_i, T value) {
assert(worker_i < _length, err_msg("Worker %d is greater than max: %d", worker_i, _length));
assert(_data[worker_i] != WorkerDataArray<T>::uninitialized(), err_msg("No data to add to for worker %d", worker_i));
_data[worker_i] += value;
_has_new_data = true;
}
double average(){
calculate_totals();
return _average;
}
T sum() {
calculate_totals();
return _sum;
}
T minimum() {
calculate_totals();
return _min;
}
T maximum() {
calculate_totals();
return _max;
}
void reset() PRODUCT_RETURN;
void verify() PRODUCT_RETURN;
void set_enabled(bool enabled) { _enabled = enabled; }
int log_level() { return _log_level; }
private:
void calculate_totals(){
if (!_has_new_data) {
return;
}
}
if (G1Log::finest()) {
buf.append_and_print_cr("%s", "");
_sum = (T)0;
_min = _data[0];
_max = _min;
for (uint i = 0; i < _length; ++i) {
T val = _data[i];
_sum += val;
_min = MIN2(_min, val);
_max = MAX2(_max, val);
}
_average = (double)_sum / (double)_length;
_has_new_data = false;
}
};
double avg = (double)sum / (double)_length;
buf.append(" Min: ");
buf.append(_print_format, min);
buf.append(", Avg: ");
buf.append("%.1lf", avg); // Always print average as a double
buf.append(", Max: ");
buf.append(_print_format, max);
buf.append(", Diff: ");
buf.append(_print_format, max - min);
if (_print_sum) {
// for things like the start and end times the sum is not
// that relevant
buf.append(", Sum: ");
buf.append(_print_format, sum);
}
buf.append_and_print_cr("]");
}
PRAGMA_DIAG_POP
#ifndef PRODUCT
template <> const int WorkerDataArray<int>::_uninitialized = -1;
template <> const double WorkerDataArray<double>::_uninitialized = -1.0;
template <> const size_t WorkerDataArray<size_t>::_uninitialized = (size_t)-1;
template <>
size_t WorkerDataArray<size_t>::uninitialized() {
return (size_t)-1;
}
template <>
double WorkerDataArray<double>::uninitialized() {
return -1.0;
}
template <class T>
void WorkerDataArray<T>::reset() {
for (uint i = 0; i < _length; i++) {
_data[i] = (T)_uninitialized;
_data[i] = WorkerDataArray<T>::uninitialized();
}
if (_thread_work_items != NULL) {
_thread_work_items->reset();
}
}
template <class T>
void WorkerDataArray<T>::verify() {
if (!_enabled) {
return;
}
for (uint i = 0; i < _length; i++) {
assert(_data[i] != _uninitialized,
err_msg("Invalid data for worker %u, data: %lf, uninitialized: %lf",
i, (double)_data[i], (double)_uninitialized));
assert(_data[i] != WorkerDataArray<T>::uninitialized(),
err_msg("Invalid data for worker %u in '%s'", i, _title));
}
if (_thread_work_items != NULL) {
_thread_work_items->verify();
}
}
#endif
G1GCPhaseTimes::G1GCPhaseTimes(uint max_gc_threads) :
_max_gc_threads(max_gc_threads),
_last_gc_worker_start_times_ms(_max_gc_threads, "%.1lf", false),
_last_ext_root_scan_times_ms(_max_gc_threads, "%.1lf"),
_last_satb_filtering_times_ms(_max_gc_threads, "%.1lf"),
_last_update_rs_times_ms(_max_gc_threads, "%.1lf"),
_last_update_rs_processed_buffers(_max_gc_threads, "%d"),
_last_scan_rs_times_ms(_max_gc_threads, "%.1lf"),
_last_strong_code_root_scan_times_ms(_max_gc_threads, "%.1lf"),
_last_obj_copy_times_ms(_max_gc_threads, "%.1lf"),
_last_termination_times_ms(_max_gc_threads, "%.1lf"),
_last_termination_attempts(_max_gc_threads, SIZE_FORMAT),
_last_gc_worker_end_times_ms(_max_gc_threads, "%.1lf", false),
_last_gc_worker_times_ms(_max_gc_threads, "%.1lf"),
_last_gc_worker_other_times_ms(_max_gc_threads, "%.1lf"),
_last_redirty_logged_cards_time_ms(_max_gc_threads, "%.1lf"),
_last_redirty_logged_cards_processed_cards(_max_gc_threads, SIZE_FORMAT),
_cur_string_dedup_queue_fixup_worker_times_ms(_max_gc_threads, "%.1lf"),
_cur_string_dedup_table_fixup_worker_times_ms(_max_gc_threads, "%.1lf")
_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)", false, G1Log::LevelFiner, 2);
_gc_par_phases[ExtRootScan] = new WorkerDataArray<double>(max_gc_threads, "Ext Root Scanning (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[SATBFiltering] = new WorkerDataArray<double>(max_gc_threads, "SATB Filtering (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[UpdateRS] = new WorkerDataArray<double>(max_gc_threads, "Update RS (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[ScanRS] = new WorkerDataArray<double>(max_gc_threads, "Scan RS (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[CodeRoots] = new WorkerDataArray<double>(max_gc_threads, "Code Root Scanning (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[ObjCopy] = new WorkerDataArray<double>(max_gc_threads, "Object Copy (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[Termination] = new WorkerDataArray<double>(max_gc_threads, "Termination (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[GCWorkerTotal] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Total (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[GCWorkerEnd] = new WorkerDataArray<double>(max_gc_threads, "GC Worker End (ms)", false, G1Log::LevelFiner, 2);
_gc_par_phases[Other] = new WorkerDataArray<double>(max_gc_threads, "GC Worker Other (ms)", true, G1Log::LevelFiner, 2);
_update_rs_processed_buffers = new WorkerDataArray<size_t>(max_gc_threads, "Processed Buffers", true, G1Log::LevelFiner, 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, G1Log::LevelFinest, 3);
_gc_par_phases[Termination]->link_thread_work_items(_termination_attempts);
_gc_par_phases[StringDedupQueueFixup] = new WorkerDataArray<double>(max_gc_threads, "Queue Fixup (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[StringDedupTableFixup] = new WorkerDataArray<double>(max_gc_threads, "Table Fixup (ms)", true, G1Log::LevelFiner, 2);
_gc_par_phases[RedirtyCards] = new WorkerDataArray<double>(max_gc_threads, "Parallel Redirty", true, G1Log::LevelFinest, 3);
_redirtied_cards = new WorkerDataArray<size_t>(max_gc_threads, "Redirtied Cards", true, G1Log::LevelFinest, 3);
_gc_par_phases[RedirtyCards]->link_thread_work_items(_redirtied_cards);
}
void G1GCPhaseTimes::note_gc_start(uint active_gc_threads) {
void G1GCPhaseTimes::note_gc_start(uint active_gc_threads, bool mark_in_progress) {
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 nubmer of threads");
assert(active_gc_threads <= _max_gc_threads, "The number of active threads must be <= the max number of threads");
_active_gc_threads = active_gc_threads;
_last_gc_worker_start_times_ms.reset();
_last_ext_root_scan_times_ms.reset();
_last_satb_filtering_times_ms.reset();
_last_update_rs_times_ms.reset();
_last_update_rs_processed_buffers.reset();
_last_scan_rs_times_ms.reset();
_last_strong_code_root_scan_times_ms.reset();
_last_obj_copy_times_ms.reset();
_last_termination_times_ms.reset();
_last_termination_attempts.reset();
_last_gc_worker_end_times_ms.reset();
_last_gc_worker_times_ms.reset();
_last_gc_worker_other_times_ms.reset();
for (int i = 0; i < GCParPhasesSentinel; i++) {
_gc_par_phases[i]->reset();
}
_last_redirty_logged_cards_time_ms.reset();
_last_redirty_logged_cards_processed_cards.reset();
_gc_par_phases[SATBFiltering]->set_enabled(mark_in_progress);
_gc_par_phases[StringDedupQueueFixup]->set_enabled(G1StringDedup::is_enabled());
_gc_par_phases[StringDedupTableFixup]->set_enabled(G1StringDedup::is_enabled());
}
void G1GCPhaseTimes::note_gc_end() {
_last_gc_worker_start_times_ms.verify();
_last_ext_root_scan_times_ms.verify();
_last_satb_filtering_times_ms.verify();
_last_update_rs_times_ms.verify();
_last_update_rs_processed_buffers.verify();
_last_scan_rs_times_ms.verify();
_last_strong_code_root_scan_times_ms.verify();
_last_obj_copy_times_ms.verify();
_last_termination_times_ms.verify();
_last_termination_attempts.verify();
_last_gc_worker_end_times_ms.verify();
for (uint i = 0; i < _active_gc_threads; i++) {
double worker_time = _last_gc_worker_end_times_ms.get(i) - _last_gc_worker_start_times_ms.get(i);
_last_gc_worker_times_ms.set(i, worker_time);
double worker_time = _gc_par_phases[GCWorkerEnd]->get(i) - _gc_par_phases[GCWorkerStart]->get(i);
record_time_secs(GCWorkerTotal, i , worker_time);
double worker_known_time = _last_ext_root_scan_times_ms.get(i) +
_last_satb_filtering_times_ms.get(i) +
_last_update_rs_times_ms.get(i) +
_last_scan_rs_times_ms.get(i) +
_last_strong_code_root_scan_times_ms.get(i) +
_last_obj_copy_times_ms.get(i) +
_last_termination_times_ms.get(i);
double worker_known_time =
_gc_par_phases[ExtRootScan]->get(i) +
_gc_par_phases[SATBFiltering]->get(i) +
_gc_par_phases[UpdateRS]->get(i) +
_gc_par_phases[ScanRS]->get(i) +
_gc_par_phases[CodeRoots]->get(i) +
_gc_par_phases[ObjCopy]->get(i) +
_gc_par_phases[Termination]->get(i);
double worker_other_time = worker_time - worker_known_time;
_last_gc_worker_other_times_ms.set(i, worker_other_time);
record_time_secs(Other, i, worker_time - worker_known_time);
}
_last_gc_worker_times_ms.verify();
_last_gc_worker_other_times_ms.verify();
_last_redirty_logged_cards_time_ms.verify();
_last_redirty_logged_cards_processed_cards.verify();
}
void G1GCPhaseTimes::note_string_dedup_fixup_start() {
_cur_string_dedup_queue_fixup_worker_times_ms.reset();
_cur_string_dedup_table_fixup_worker_times_ms.reset();
}
void G1GCPhaseTimes::note_string_dedup_fixup_end() {
_cur_string_dedup_queue_fixup_worker_times_ms.verify();
_cur_string_dedup_table_fixup_worker_times_ms.verify();
for (int i = 0; i < GCParPhasesSentinel; i++) {
_gc_par_phases[i]->verify();
}
}
void G1GCPhaseTimes::print_stats(int level, const char* str, double value) {
@ -288,35 +347,172 @@ double G1GCPhaseTimes::accounted_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);
}
// add a number of seconds to a phase
void G1GCPhaseTimes::add_time_secs(GCParPhases phase, uint worker_i, double secs) {
_gc_par_phases[phase]->add(worker_i, secs);
}
void G1GCPhaseTimes::record_thread_work_item(GCParPhases phase, uint worker_i, size_t count) {
_gc_par_phases[phase]->set_thread_work_item(worker_i, count);
}
// return the average time for a phase in milliseconds
double G1GCPhaseTimes::average_time_ms(GCParPhases phase) {
return _gc_par_phases[phase]->average() * 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() * 1000.0;
}
double G1GCPhaseTimes::min_time_ms(GCParPhases phase) {
return _gc_par_phases[phase]->minimum() * 1000.0;
}
double G1GCPhaseTimes::max_time_ms(GCParPhases phase) {
return _gc_par_phases[phase]->maximum() * 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();
}
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();
}
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();
}
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();
}
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->_log_level > G1Log::level() || !phase->_enabled) {
return;
}
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
LineBuffer buf(phase->_indent_level);
buf.append_and_print_cr("[%s: %.1lf]", phase->_title, _phase_times->get_time_ms(phase_id, 0));
if (phase->_thread_work_items != NULL) {
LineBuffer buf2(phase->_thread_work_items->_indent_level);
buf2.append_and_print_cr("[%s: "SIZE_FORMAT"]", phase->_thread_work_items->_title, _phase_times->sum_thread_work_items(phase_id));
}
}
void print_time_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
for (uint i = 0; i < phase->_length; ++i) {
buf.append(" %.1lf", _phase_times->get_time_ms(phase_id, i));
}
buf.print_cr();
}
void print_count_values(LineBuffer& buf, G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
for (uint i = 0; i < thread_work_items->_length; ++i) {
buf.append(" " SIZE_FORMAT, _phase_times->get_thread_work_item(phase_id, i));
}
buf.print_cr();
}
void print_thread_work_items(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<size_t>* thread_work_items) {
LineBuffer buf(thread_work_items->_indent_level);
buf.append("[%s:", thread_work_items->_title);
if (G1Log::finest()) {
print_count_values(buf, phase_id, thread_work_items);
}
assert(thread_work_items->_print_sum, err_msg("%s does not have print sum true even though it is a count", thread_work_items->_title));
buf.append_and_print_cr(" Min: " SIZE_FORMAT ", Avg: %.1lf, Max: " SIZE_FORMAT ", Diff: " SIZE_FORMAT ", Sum: " SIZE_FORMAT "]",
_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));
}
void print_multi_length(G1GCPhaseTimes::GCParPhases phase_id, WorkerDataArray<double>* phase) {
LineBuffer buf(phase->_indent_level);
buf.append("[%s:", phase->_title);
if (G1Log::finest()) {
print_time_values(buf, phase_id, phase);
}
buf.append(" Min: %.1lf, Avg: %.1lf, Max: %.1lf, Diff: %.1lf",
_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));
if (phase->_print_sum) {
// for things like the start and end times the sum is not
// that relevant
buf.append(", Sum: %.1lf", _phase_times->sum_time_ms(phase_id));
}
buf.append_and_print_cr("]");
if (phase->_thread_work_items != NULL) {
print_thread_work_items(phase_id, phase->_thread_work_items);
}
}
};
void G1GCPhaseTimes::print(double pause_time_sec) {
G1GCParPhasePrinter par_phase_printer(this);
if (_root_region_scan_wait_time_ms > 0.0) {
print_stats(1, "Root Region Scan Waiting", _root_region_scan_wait_time_ms);
}
print_stats(1, "Parallel Time", _cur_collection_par_time_ms, _active_gc_threads);
_last_gc_worker_start_times_ms.print(2, "GC Worker Start (ms)");
_last_ext_root_scan_times_ms.print(2, "Ext Root Scanning (ms)");
if (_last_satb_filtering_times_ms.sum() > 0.0) {
_last_satb_filtering_times_ms.print(2, "SATB Filtering (ms)");
for (int i = 0; i <= GCMainParPhasesLast; i++) {
par_phase_printer.print((GCParPhases) i);
}
_last_update_rs_times_ms.print(2, "Update RS (ms)");
_last_update_rs_processed_buffers.print(3, "Processed Buffers");
_last_scan_rs_times_ms.print(2, "Scan RS (ms)");
_last_strong_code_root_scan_times_ms.print(2, "Code Root Scanning (ms)");
_last_obj_copy_times_ms.print(2, "Object Copy (ms)");
_last_termination_times_ms.print(2, "Termination (ms)");
if (G1Log::finest()) {
_last_termination_attempts.print(3, "Termination Attempts");
}
_last_gc_worker_other_times_ms.print(2, "GC Worker Other (ms)");
_last_gc_worker_times_ms.print(2, "GC Worker Total (ms)");
_last_gc_worker_end_times_ms.print(2, "GC Worker End (ms)");
print_stats(1, "Code Root Fixup", _cur_collection_code_root_fixup_time_ms);
print_stats(1, "Code Root Purge", _cur_strong_code_root_purge_time_ms);
if (G1StringDedup::is_enabled()) {
print_stats(1, "String Dedup Fixup", _cur_string_dedup_fixup_time_ms, _active_gc_threads);
_cur_string_dedup_queue_fixup_worker_times_ms.print(2, "Queue Fixup (ms)");
_cur_string_dedup_table_fixup_worker_times_ms.print(2, "Table Fixup (ms)");
for (int i = StringDedupPhasesFirst; i <= StringDedupPhasesLast; i++) {
par_phase_printer.print((GCParPhases) i);
}
}
print_stats(1, "Clear CT", _cur_clear_ct_time_ms);
double misc_time_ms = pause_time_sec * MILLIUNITS - accounted_time_ms();
@ -340,10 +536,7 @@ void G1GCPhaseTimes::print(double pause_time_sec) {
print_stats(2, "Ref Proc", _cur_ref_proc_time_ms);
print_stats(2, "Ref Enq", _cur_ref_enq_time_ms);
print_stats(2, "Redirty Cards", _recorded_redirty_logged_cards_time_ms);
if (G1Log::finest()) {
_last_redirty_logged_cards_time_ms.print(3, "Parallel Redirty");
_last_redirty_logged_cards_processed_cards.print(3, "Redirtied Cards");
}
par_phase_printer.print(RedirtyCards);
if (G1EagerReclaimHumongousObjects) {
print_stats(2, "Humongous Register", _cur_fast_reclaim_humongous_register_time_ms);
if (G1Log::finest()) {
@ -366,3 +559,17 @@ void G1GCPhaseTimes::print(double pause_time_sec) {
print_stats(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) {
if (_phase_times != NULL) {
_start_time = os::elapsedTime();
}
}
G1GCParPhaseTimesTracker::~G1GCParPhaseTimesTracker() {
if (_phase_times != NULL) {
_phase_times->record_time_secs(_phase, _worker_id, os::elapsedTime() - _start_time);
}
}