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8005972: ParNew should not update the tenuring threshold when promotion failed has occurred

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Reviewed-by: ysr, johnc, jwilhelm
This commit is contained in:
Bengt Rutisson 2013-01-14 21:30:45 +01:00
parent a3639fdea1
commit 33b7cd7cae
4 changed files with 11 additions and 15 deletions
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9
hotspot/src/share/vm/memory/defNewGeneration.cpp
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@ -550,6 +550,11 @@ HeapWord* DefNewGeneration::expand_and_allocate(size_t size,
return allocate(size, is_tlab);
}
void DefNewGeneration::adjust_desired_tenuring_threshold() {
// Set the desired survivor size to half the real survivor space
_tenuring_threshold =
age_table()->compute_tenuring_threshold(to()->capacity()/HeapWordSize);
}
void DefNewGeneration::collect(bool full,
bool clear_all_soft_refs,
@ -649,9 +654,7 @@ void DefNewGeneration::collect(bool full,
assert(to()->is_empty(), "to space should be empty now");
// Set the desired survivor size to half the real survivor space
_tenuring_threshold =
age_table()->compute_tenuring_threshold(to()->capacity()/HeapWordSize);
adjust_desired_tenuring_threshold();
// A successful scavenge should restart the GC time limit count which is
// for full GC's.