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8144145: G1GCPhaseTimes should allow externally accounted time

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Reviewed-by: ehelin, tschatzl
This commit is contained in:
Erik Helin 2015-11-29 10:00:31 +01:00
parent 66f8f80768
commit 62bdcb0abf
2 changed files with 11 additions and 1 deletions
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6
hotspot/src/share/vm/gc/g1/g1GCPhaseTimes.cpp
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@ -141,6 +141,7 @@ void G1GCPhaseTimes::note_gc_start(uint active_gc_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;
_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();
@ -185,9 +186,12 @@ void G1GCPhaseTimes::print_stats(int level, const char* str, double value, uint
}
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.
double misc_time_ms = _root_region_scan_wait_time_ms;
misc_time_ms += _root_region_scan_wait_time_ms;
misc_time_ms += _cur_collection_par_time_ms;

6
hotspot/src/share/vm/gc/g1/g1GCPhaseTimes.hpp
View File

@ -99,6 +99,8 @@ class G1GCPhaseTimes : public CHeapObj<mtGC> {
double _cur_collection_start_sec;
double _root_region_scan_wait_time_ms;
double _external_accounted_time_ms;
double _recorded_young_cset_choice_time_ms;
double _recorded_non_young_cset_choice_time_ms;
@ -244,6 +246,10 @@ class G1GCPhaseTimes : public CHeapObj<mtGC> {
_cur_verify_after_time_ms = time_ms;
}
void inc_external_accounted_time_ms(double time_ms) {
_external_accounted_time_ms += time_ms;
}
double accounted_time_ms();
double cur_collection_start_sec() {