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8014078: G1: improve remembered set summary information by providing per region type information

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Add memory consumption breakdown on a per region type in the G1 remembered set summary statistics. This simplifies remembered set memory consumption analysis.

Reviewed-by: brutisso
This commit is contained in:
Thomas Schatzl 2013-09-26 12:49:45 +02:00
parent dc5131c84d
commit bd9ffce267
7 changed files with 430 additions and 184 deletions
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7
hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
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@ -3681,6 +3681,11 @@ void G1CollectedHeap::gc_prologue(bool full /* Ignored */) {
assert(InlineCacheBuffer::is_empty(), "should have cleaned up ICBuffer");
// Fill TLAB's and such
ensure_parsability(true);
if (G1SummarizeRSetStats && (G1SummarizeRSetStatsPeriod > 0) &&
(total_collections() % G1SummarizeRSetStatsPeriod == 0)) {
g1_rem_set()->print_periodic_summary_info("Before GC RS summary");
}
}
void G1CollectedHeap::gc_epilogue(bool full /* Ignored */) {
@ -3689,7 +3694,7 @@ void G1CollectedHeap::gc_epilogue(bool full /* Ignored */) {
(G1SummarizeRSetStatsPeriod > 0) &&
// we are at the end of the GC. Total collections has already been increased.
((total_collections() - 1) % G1SummarizeRSetStatsPeriod == 0)) {
g1_rem_set()->print_periodic_summary_info();
g1_rem_set()->print_periodic_summary_info("After GC RS summary");
}
// FIXME: what is this about?