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8027593: performance drop with constrained codecache starting with hs25 b111

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Fixed proper sweeping of small code cache sizes

Reviewed-by: kvn, iveresov
This commit is contained in:
Albert Noll 2013-11-12 09:32:50 +01:00
parent c632cad9d5
commit 18ca4cc301
7 changed files with 184 additions and 121 deletions
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8
hotspot/src/share/vm/runtime/arguments.cpp
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@ -1132,9 +1132,6 @@ void Arguments::set_tiered_flags() {
Tier3InvokeNotifyFreqLog = 0;
Tier4InvocationThreshold = 0;
}
if (FLAG_IS_DEFAULT(NmethodSweepFraction)) {
FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M));
}
}
#if INCLUDE_ALL_GCS
@ -3643,6 +3640,11 @@ jint Arguments::apply_ergo() {
"Incompatible compilation policy selected", NULL);
}
}
// Set NmethodSweepFraction after the size of the code cache is adapted (in case of tiered)
if (FLAG_IS_DEFAULT(NmethodSweepFraction)) {
FLAG_SET_DEFAULT(NmethodSweepFraction, 1 + ReservedCodeCacheSize / (16 * M));
}
// Set heap size based on available physical memory
set_heap_size();