RFR: 8005204: Provide more detailed output on CodeCache usage

[Vitaly Davidovich]

Vladimir,

Unrelated to your change, but does CompileBroker::handle_full_code_cache()
need a ResourceMark since it calls stringStream::as_string()? Or is the RM
created somewhere in the caller chain?

Thanks

Sent from my phone
On Jan 3, 2013 12:59 PM, "Vladimir Danushevsky" <
Vladimir.Danushevsky at oracle.com> wrote:

> Code review for JDK-8005204 "Provide more detailed output on CodeCache
> usage"
>
> We are adding more detailed output on CodeCache usage.
>
> Corresponding command line options are:
>      -XX:+PrintCodeCache - Will print the size of the codecache at VM
> exit. It will include the total size, used size, maximum used size, maximum
> free chunk, bounds, number of cached methods , etc.
>     -XX:+**PrintCodeCacheOnCompilation - Same as PrintCodeCache, but does
> so each time a method is compiled. This is useful if the app does not do a
> normal JVM exit.
>
> Sample output:
>
> CodeCache: size=32768Kb used=542Kb max_used=542Kb free=32226Kb
> max_free_chunk=32226Kb
>   bounds [0xb414a000, 0xb41d2000, 0xb614a000]
>   total_blobs=131 nmethods=5 adapters=63
>   compilation: enabled
>
> Changeset: http://cr.openjdk.java.net/~**vladidan/8005204/webrev.00/<http://cr.openjdk.java.net/~vladidan/8005204/webrev.00/>
>
> Sponsoring Alexander Harlap for that submission
>