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8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents

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8233915: JVMTI FollowReferences: Java Heap Leak not found because of C2 Scalar Replacement

Reviewed-by: mdoerr, goetz, sspitsyn, kvn
This commit is contained in:
Richard Reingruber 2020-10-20 15:31:55 +00:00
parent f167a71f1d
commit 40f847e2fb
53 changed files with 5744 additions and 218 deletions
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2
src/hotspot/share/runtime/mutexLocker.cpp
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@ -52,6 +52,7 @@ Mutex* JmethodIdCreation_lock = NULL;
Mutex* JfieldIdCreation_lock = NULL;
Monitor* JNICritical_lock = NULL;
Mutex* JvmtiThreadState_lock = NULL;
Monitor* EscapeBarrier_lock = NULL;
Monitor* Heap_lock = NULL;
Mutex* ExpandHeap_lock = NULL;
Mutex* AdapterHandlerLibrary_lock = NULL;
@ -296,6 +297,7 @@ void mutex_init() {
def(MultiArray_lock , PaddedMutex , nonleaf+2, false, _safepoint_check_always);
def(JvmtiThreadState_lock , PaddedMutex , nonleaf+2, false, _safepoint_check_always); // Used by JvmtiThreadState/JvmtiEventController
def(EscapeBarrier_lock , PaddedMonitor, leaf, false, _safepoint_check_never); // Used to synchronize object reallocation/relocking triggered by JVMTI
def(Management_lock , PaddedMutex , nonleaf+2, false, _safepoint_check_always); // used for JVM management
def(ConcurrentGCBreakpoints_lock , PaddedMonitor, nonleaf, true, _safepoint_check_always);