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8173335: Improve logging for j.l.ref.reference processing

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Add logs for each phases of references and stats for each worker threads

Reviewed-by: tschatzl, shade
This commit is contained in:
Sangheon Kim 2017-08-10 18:09:19 -07:00
parent ebb8c32e7f
commit ebcca449a0
31 changed files with 1077 additions and 186 deletions
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12
hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp
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@ -1041,7 +1041,11 @@ void PSParallelCompact::post_compact()
DerivedPointerTable::update_pointers();
#endif
ref_processor()->enqueue_discovered_references(NULL);
ReferenceProcessorPhaseTimes pt(&_gc_timer, ref_processor()->num_q());
ref_processor()->enqueue_discovered_references(NULL, &pt);
pt.print_enqueue_phase();
if (ZapUnusedHeapArea) {
heap->gen_mangle_unused_area();
@ -2103,18 +2107,20 @@ void PSParallelCompact::marking_phase(ParCompactionManager* cm,
GCTraceTime(Debug, gc, phases) tm("Reference Processing", &_gc_timer);
ReferenceProcessorStats stats;
ReferenceProcessorPhaseTimes pt(&_gc_timer, ref_processor()->num_q());
if (ref_processor()->processing_is_mt()) {
RefProcTaskExecutor task_executor;
stats = ref_processor()->process_discovered_references(
is_alive_closure(), &mark_and_push_closure, &follow_stack_closure,
&task_executor, &_gc_timer);
&task_executor, &pt);
} else {
stats = ref_processor()->process_discovered_references(
is_alive_closure(), &mark_and_push_closure, &follow_stack_closure, NULL,
&_gc_timer);
&pt);
}
gc_tracer->report_gc_reference_stats(stats);
pt.print_all_references();
}
// This is the point where the entire marking should have completed.