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8012371: Adjust Tiered compile threshold according to available space in code cache

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Added command line parameter to define a threshold at which C1 compilation threshold for  is increased.

Reviewed-by: kvn, iveresov
This commit is contained in:
Albert Noll 2013-05-16 15:46:49 +02:00
parent dbe27b6d39
commit 114b578228
6 changed files with 39 additions and 1 deletions
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10
hotspot/src/share/vm/runtime/arguments.cpp
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@ -2629,6 +2629,16 @@ jint Arguments::parse_each_vm_init_arg(const JavaVMInitArgs* args,
return JNI_EINVAL;
}
FLAG_SET_CMDLINE(uintx, ReservedCodeCacheSize, (uintx)long_ReservedCodeCacheSize);
//-XX:IncreaseFirstTierCompileThresholdAt=
} else if (match_option(option, "-XX:IncreaseFirstTierCompileThresholdAt=", &tail)) {
uintx uint_IncreaseFirstTierCompileThresholdAt = 0;
if (!parse_uintx(tail, &uint_IncreaseFirstTierCompileThresholdAt, 0) || uint_IncreaseFirstTierCompileThresholdAt > 99) {
jio_fprintf(defaultStream::error_stream(),
"Invalid value for IncreaseFirstTierCompileThresholdAt: %s. Should be between 0 and 99.\n",
option->optionString);
return JNI_EINVAL;
}
FLAG_SET_CMDLINE(uintx, IncreaseFirstTierCompileThresholdAt, (uintx)uint_IncreaseFirstTierCompileThresholdAt);
// -green
} else if (match_option(option, "-green", &tail)) {
jio_fprintf(defaultStream::error_stream(),