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6871111: G1: remove the concurrent overhead tracker

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Removing the concurrent overhead tracker from G1, along with the GC overhead reporter and the G1AccountConcurrentOverhead (both of which rely on the the concurrent overhead tracker).

Reviewed-by: iveresov, johnc
This commit is contained in:
Antonios Printezis 2009-08-19 12:53:25 -04:00
parent ead860c069
commit 4d138cd094
19 changed files with 9 additions and 887 deletions
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20
hotspot/src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
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@ -993,8 +993,6 @@ void G1CollectorPolicy::record_full_collection_end() {
double full_gc_time_sec = end_sec - _cur_collection_start_sec;
double full_gc_time_ms = full_gc_time_sec * 1000.0;
checkpoint_conc_overhead();
_all_full_gc_times_ms->add(full_gc_time_ms);
update_recent_gc_times(end_sec, full_gc_time_ms);
@ -1164,7 +1162,6 @@ void G1CollectorPolicy::record_concurrent_mark_init_end() {
double end_time_sec = os::elapsedTime();
double elapsed_time_ms = (end_time_sec - _mark_init_start_sec) * 1000.0;
_concurrent_mark_init_times_ms->add(elapsed_time_ms);
checkpoint_conc_overhead();
record_concurrent_mark_init_end_pre(elapsed_time_ms);
_mmu_tracker->add_pause(_mark_init_start_sec, end_time_sec, true);
@ -1178,7 +1175,6 @@ void G1CollectorPolicy::record_concurrent_mark_remark_start() {
void G1CollectorPolicy::record_concurrent_mark_remark_end() {
double end_time_sec = os::elapsedTime();
double elapsed_time_ms = (end_time_sec - _mark_remark_start_sec)*1000.0;
checkpoint_conc_overhead();
_concurrent_mark_remark_times_ms->add(elapsed_time_ms);
_cur_mark_stop_world_time_ms += elapsed_time_ms;
_prev_collection_pause_end_ms += elapsed_time_ms;
@ -1210,7 +1206,6 @@ record_concurrent_mark_cleanup_end_work1(size_t freed_bytes,
// The important thing about this is that it includes "os::elapsedTime".
void G1CollectorPolicy::record_concurrent_mark_cleanup_end_work2() {
checkpoint_conc_overhead();
double end_time_sec = os::elapsedTime();
double elapsed_time_ms = (end_time_sec - _mark_cleanup_start_sec)*1000.0;
_concurrent_mark_cleanup_times_ms->add(elapsed_time_ms);
@ -1425,8 +1420,6 @@ void G1CollectorPolicy::record_collection_pause_end(bool abandoned) {
}
#endif // PRODUCT
checkpoint_conc_overhead();
if (in_young_gc_mode()) {
last_pause_included_initial_mark = _should_initiate_conc_mark;
if (last_pause_included_initial_mark)
@ -2525,19 +2518,6 @@ region_num_to_mbs(int length) {
}
#endif // PRODUCT
void
G1CollectorPolicy::checkpoint_conc_overhead() {
double conc_overhead = 0.0;
if (G1AccountConcurrentOverhead)
conc_overhead = COTracker::totalPredConcOverhead();
_mmu_tracker->update_conc_overhead(conc_overhead);
#if 0
gclog_or_tty->print(" CO %1.4lf TARGET %1.4lf",
conc_overhead, _mmu_tracker->max_gc_time());
#endif
}
size_t G1CollectorPolicy::max_regions(int purpose) {
switch (purpose) {
case GCAllocForSurvived: