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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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4
hotspot/src/share/vm/gc_implementation/g1/g1RemSet.cpp
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@ -731,12 +731,12 @@ bool G1RemSet::refine_card(jbyte* card_ptr, int worker_i,
return has_refs_into_cset;
}
void G1RemSet::print_periodic_summary_info() {
void G1RemSet::print_periodic_summary_info(const char* header) {
G1RemSetSummary current;
current.initialize(this, n_workers());
_prev_period_summary.subtract_from(&current);
print_summary_info(&_prev_period_summary);
print_summary_info(&_prev_period_summary, header);
_prev_period_summary.set(&current);
}