Hi all,
Currently EnableTracing prints class information in this way but I don’t think
it’s the information that we need:
Java Monitor Wait: [Monitor Class = {instance class}
- klass: {other class}
The method information used to be this way too:
Compilation: [Java Method = {method}
- klass: {other class}
But the changeset http://hg.openjdk.java.net/hsx/hsx24/hotspot/rev/a71f8a0deaf1
makes it the right way now and it prints the method name:
Compilation: [Java Method = java.lang.Object.<init>()V
So I think we can make a change here too(against
http://hg.openjdk.java.net/hsx/hsx24/hotspot/):
diff -r 78538cd4794c src/share/vm/trace/traceStream.hpp
--- a/src/share/vm/trace/traceStream.hpp Wed Apr 17 13:16:25 2013 +0200
+++ b/src/share/vm/trace/traceStream.hpp Fri Apr 19 11:10:10 2013 +0800
@@ -79,7 +79,7 @@
}
void print_val(const char* label, klassOop& val) {
- _st.print("%s = %s", label, val->print_string());
+ _st.print("%s = %s", label, val ? val->klass_part()->external_name() :
"NULL");
}
void print_val(const char* label, methodOop& val) {
And now the class name is right:
Java Monitor Wait: [Monitor Class = java.lang.ref.ReferenceQueue$Lock
Regards,
Yunda
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