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8049737: Contended Locking reorder and cache line bucket

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JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket.

Co-authored-by: Dave Dice <dave.dice@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Reviewed-by: shade, dice, dholmes, dsimms
This commit is contained in:
Daniel D. Daugherty 2014-10-14 10:32:12 -07:00
parent 51866388d1
commit f1ab0fae73
13 changed files with 302 additions and 247 deletions
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2
hotspot/src/share/vm/prims/jvmtiEnvBase.cpp
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@ -1031,7 +1031,7 @@ JvmtiEnvBase::get_object_monitor_usage(JavaThread* calling_thread, jobject objec
// implied else: entry_count == 0
}
int nWant,nWait;
jint nWant, nWait;
if (mon != NULL) {
// this object has a heavyweight monitor
nWant = mon->contentions(); // # of threads contending for monitor