RFR: Event based tracing is missing thread exit

[Daniel D. Daugherty]

On 7/25/13 9:21 AM, Erik Gahlin wrote:
> Hello,
>
> Could you be so kind and review this small change. The fix is targeted 
> for jdk7u40, and the hook is needed to have a leak free event tracing 
> implementation.
>
> http://cr.openjdk.java.net/~egahlin/8021353/

Thumbs up!

The bug link in the webrev is for the old Monaco system which was
internal only. Looks like the bug is so new that this link doesn't
work either:

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=8021353

I'm using this internal link:

https://jbs.oracle.com/bugs/browse/JDK-8021353

Here's the description from the bug report:

 > Event based tracing should have a hook so resources associated
 > with a thread can be cleaned up properly when a thread exits.
 > Not having such mechanism may lead to memory leaks.


src/share/vm/runtime/thread.cpp
     No comments.

src/share/vm/trace/traceMacros.hpp
     No comments.

Dan


>
> Thanks
> Erik