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8072913: [REDO] GCCause should distinguish jcmd GC.run from System.gc()

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GCCause which is caused by GC.run diagnostic command should be different from System.gc() .

Reviewed-by: jmasa, jwilhelm
This commit is contained in:
Yasumasa Suenaga 2015-06-03 08:49:34 +09:00
parent c1fc7aa38a
commit 242ce54cc7
15 changed files with 34 additions and 19 deletions
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4
hotspot/src/share/vm/gc/parallel/psParallelCompact.cpp
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@ -2053,7 +2053,7 @@ bool PSParallelCompact::invoke_no_policy(bool maximum_heap_compaction) {
marking_phase(vmthread_cm, maximum_heap_compaction, &_gc_tracer);
bool max_on_system_gc = UseMaximumCompactionOnSystemGC
&& gc_cause == GCCause::_java_lang_system_gc;
&& GCCause::is_user_requested_gc(gc_cause);
summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));
@ -2089,7 +2089,7 @@ bool PSParallelCompact::invoke_no_policy(bool maximum_heap_compaction) {
// Don't check if the size_policy is ready here. Let
// the size_policy check that internally.
if (UseAdaptiveGenerationSizePolicyAtMajorCollection &&
((gc_cause != GCCause::_java_lang_system_gc) ||
(!GCCause::is_user_requested_gc(gc_cause) ||
UseAdaptiveSizePolicyWithSystemGC)) {
// Swap the survivor spaces if from_space is empty. The
// resize_young_gen() called below is normally used after