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8164936: G1 age table printout contains contents from previous GC

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Split tenuring threshold update and printing into two separate parts so that they can be used independently.

Reviewed-by: jmasa, sangheki
This commit is contained in:
Thomas Schatzl 2016-09-02 09:49:10 +02:00
parent 8b9c8fc1c4
commit e4f4b40488
8 changed files with 154 additions and 23 deletions
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15
hotspot/src/share/vm/gc/serial/defNewGeneration.cpp
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@ -564,9 +564,18 @@ HeapWord* DefNewGeneration::expand_and_allocate(size_t size,
void DefNewGeneration::adjust_desired_tenuring_threshold() {
// Set the desired survivor size to half the real survivor space
GCPolicyCounters* gc_counters = GenCollectedHeap::heap()->gen_policy()->counters();
_tenuring_threshold =
age_table()->compute_tenuring_threshold(to()->capacity()/HeapWordSize, gc_counters);
size_t const survivor_capacity = to()->capacity() / HeapWordSize;
size_t const desired_survivor_size = (size_t)((((double)survivor_capacity) * TargetSurvivorRatio) / 100);
_tenuring_threshold = age_table()->compute_tenuring_threshold(desired_survivor_size);
if (UsePerfData) {
GCPolicyCounters* gc_counters = GenCollectedHeap::heap()->gen_policy()->counters();
gc_counters->tenuring_threshold()->set_value(_tenuring_threshold);
gc_counters->desired_survivor_size()->set_value(desired_survivor_size * oopSize);
}
age_table()->print_age_table(_tenuring_threshold);
}
void DefNewGeneration::collect(bool full,