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diff src/share/vm/oops/instanceKlass.cpp @ 6972:bd7a7ce2e264

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6830717: replay of compilations would help with debugging Summary: When java process crashed in compiler thread, repeat the compilation process will help finding root cause. This is done with using SA dump application class data and replay data from core dump, then use debug version of jvm to recompile the problematic java method. Reviewed-by: kvn, twisti, sspitsyn Contributed-by: yumin.qi@oracle.com
author minqi
date Mon, 12 Nov 2012 14:03:53 -0800
parents 4735d2c84362
children 80e866b1d053
line wrap: on
line diff
--- a/src/share/vm/oops/instanceKlass.cpp	Fri Nov 09 08:36:17 2012 -0800
+++ b/src/share/vm/oops/instanceKlass.cpp	Mon Nov 12 14:03:53 2012 -0800
@@ -1052,6 +1052,13 @@
 }
 
 void InstanceKlass::call_class_initializer_impl(instanceKlassHandle this_oop, TRAPS) {
+  if (ReplayCompiles &&
+      (ReplaySuppressInitializers == 1 ||
+       ReplaySuppressInitializers >= 2 && this_oop->class_loader() != NULL)) {
+    // Hide the existence of the initializer for the purpose of replaying the compile
+    return;
+  }
+
   methodHandle h_method(THREAD, this_oop->class_initializer());
   assert(!this_oop->is_initialized(), "we cannot initialize twice");
   if (TraceClassInitialization) {