Request for review (XL): Event-Based JVM Tracing (JEP 167)

[Staffan Larsen]

Forgot to include serviceability-dev at openjdk.java.net which is the designated list for JEP 167.

/Staffan

On 3 dec 2012, at 12:32, Staffan Larsen <staffan.larsen at oracle.com> wrote:

> All,
> 
> This is a request for review of the implementation for JEP 167: Event-Based JVM Tracing. It is a rather large change.
> 
> The webrev is available here: http://cr.openjdk.java.net/~sla/jep167/webrev.01/
> The JEP is here: http://openjdk.java.net/jeps/167
> 
> The base changes are in src/share/vm/trace. This is where events are defined (trace.xml) and this is where the XSLT transforms that convert these definitions into classes are. The rest of the changes are related to instrumenting the code to capture the data for the events. 
> 
> To enabled the tracing events in a build use -XX:+EnableTracing. This will produce a ton of information in a standard format to tty.
> 
> These changes are slated for hs24 in the 7u12 release and will be ported to hs25 in jdk8 later. The diff is against the jdk7u/jdk7u forest at the jdk7u12-b03 tag.
> 
> Contributed-by: acorn, brutisso, ccheung, egahlin, ehelin, jwilhelm, kamg, mattias.tobiasson at oracle.com, mgronlun, mikael.auno at oracle.com, neliasso, nloodin, rbackman, sla, stefank, ykantser 
> 
> Comments, questions and suggestions are welcome!
> 
> Thanks,
> /Staffan

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