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diff agent/src/share/classes/sun/jvm/hotspot/oops/Method.java @ 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 18fb7da42534
children b2dbd323c668
line wrap: on
line diff
--- a/agent/src/share/classes/sun/jvm/hotspot/oops/Method.java	Fri Nov 09 08:36:17 2012 -0800
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/Method.java	Mon Nov 12 14:03:53 2012 -0800
@@ -358,6 +358,25 @@
     buf.append(")");
     return buf.toString().replace('/', '.');
   }
+
+  public void dumpReplayData(PrintStream out) {
+      NMethod nm = getNativeMethod();
+      int code_size = 0;
+      if (nm != null) {
+        code_size = (int)nm.codeEnd().minus(nm.getVerifiedEntryPoint());
+      }
+      Klass holder = getMethodHolder();
+      out.println("ciMethod " +
+                  holder.getName().asString() + " " +
+                  OopUtilities.escapeString(getName().asString()) + " " +
+                  getSignature().asString() + " " +
+                  getInvocationCounter() + " " +
+                  getBackedgeCounter() + " " +
+                  interpreterInvocationCount() + " " +
+                  interpreterThrowoutCount() + " " +
+                  code_size);
+  }
+
   public int interpreterThrowoutCount() {
     return (int) interpreterThrowoutCountField.getValue(this);
   }