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8149803: Adjust lock rankings for some Event-based tracing locks
authormgronlun
Mon, 06 Jun 2016 20:48:56 +0200
changeset 39208 2fb442b1e05d
parent 38943 2e5c855d6b1e
child 39209 1f9e8543cffd
8149803: Adjust lock rankings for some Event-based tracing locks Reviewed-by: dholmes, acorn
hotspot/src/share/vm/runtime/mutexLocker.cpp file | annotate | diff | comparison | revisions 
--- a/hotspot/src/share/vm/runtime/mutexLocker.cpp	Fri Jun 03 17:45:03 2016 -0400
+++ b/hotspot/src/share/vm/runtime/mutexLocker.cpp	Mon Jun 06 20:48:56 2016 +0200
@@ -274,7 +274,7 @@
   def(JfrMsg_lock                  , Monitor, leaf,        true,  Monitor::_safepoint_check_always);
   def(JfrBuffer_lock               , Mutex,   leaf,        true,  Monitor::_safepoint_check_never);
   def(JfrThreadGroups_lock         , Mutex,   leaf,        true,  Monitor::_safepoint_check_always);
-  def(JfrStream_lock               , Mutex,   nonleaf,     true,  Monitor::_safepoint_check_never);
+  def(JfrStream_lock               , Mutex,   leaf+1,      true,  Monitor::_safepoint_check_never);      // ensure to rank lower than 'safepoint'
   def(JfrStacktrace_lock           , Mutex,   special,     true,  Monitor::_safepoint_check_sometimes);
 #endif
jdk-sandbox