--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp Thu Jan 26 14:14:55 2012 -0800
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp Fri Jan 27 09:04:57 2012 +0100
@@ -134,6 +134,12 @@
Mutex* Management_lock = NULL;
Monitor* Service_lock = NULL;
+Mutex* Stacktrace_lock = NULL;
+
+Monitor* JfrQuery_lock = NULL;
+Monitor* JfrMsg_lock = NULL;
+Mutex* JfrBuffer_lock = NULL;
+Mutex* JfrStream_lock = NULL;
#define MAX_NUM_MUTEX 128
static Monitor * _mutex_array[MAX_NUM_MUTEX];
@@ -209,6 +215,7 @@
def(Patching_lock , Mutex , special, true ); // used for safepointing and code patching.
def(ObjAllocPost_lock , Monitor, special, false);
def(Service_lock , Monitor, special, true ); // used for service thread operations
+ def(Stacktrace_lock , Mutex, special, true ); // used for JFR stacktrace database
def(JmethodIdCreation_lock , Mutex , leaf, true ); // used for creating jmethodIDs.
def(SystemDictionary_lock , Monitor, leaf, true ); // lookups done by VM thread
@@ -273,6 +280,11 @@
def(Debug3_lock , Mutex , nonleaf+4, true );
def(ProfileVM_lock , Monitor, nonleaf+4, false); // used for profiling of the VMThread
def(CompileThread_lock , Monitor, nonleaf+5, false );
+
+ def(JfrQuery_lock , Monitor, nonleaf, true); // JFR locks, keep these in consecutive order
+ def(JfrMsg_lock , Monitor, nonleaf+2, true);
+ def(JfrBuffer_lock , Mutex, nonleaf+3, true);
+ def(JfrStream_lock , Mutex, nonleaf+4, true);
}
GCMutexLocker::GCMutexLocker(Monitor * mutex) {