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Daniel D. Daugherty 2013-03-29 08:38:00 -07:00
commit 2484584e6d
12 changed files with 80 additions and 38 deletions
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7
hotspot/src/share/vm/runtime/arguments.cpp
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@ -3320,6 +3320,13 @@ jint Arguments::parse(const JavaVMInitArgs* args) {
}
check_deprecated_gcs();
check_deprecated_gc_flags();
if (AssumeMP && !UseSerialGC) {
if (FLAG_IS_DEFAULT(ParallelGCThreads) && ParallelGCThreads == 1) {
warning("If the number of processors is expected to increase from one, then"
" you should configure the number of parallel GC threads appropriately"
" using -XX:ParallelGCThreads=N");
}
}
#else // INCLUDE_ALL_GCS
assert(verify_serial_gc_flags(), "SerialGC unset");
#endif // INCLUDE_ALL_GCS