RFC: IcedTea7 JamVM selfhost patch - remove-sun.misc.Perf-debug-code

[Andrew John Hughes]

On Thu, Jun 30, 2011 at 04:37:25PM +0200, Xerxes Rånby wrote:
> Hi team,
> 
> The attached patch makes it possible for IcedTea 7 JamVM builds to be
> selfhosting.
> 
> Some OpenJDK 7 classes makes internal use of the unofficial
> sun.misc.Perf API to keep track of startup time. sun.misc.Perf itself
> implements its functionality by using some special jni calls inside of
> Hotspot.
> 
> By reducing the internal use of sun.misc.Perf in the OpenJDK 7 classes
> makes it possible to use the OpenJDK 7 classes with non-Hotspot JVMs.
> 
> 
> Ok to push?
> 
> The alternative are to implement this unofficial sun.misc.Perf JNI API
> in JamVM and in every other JVM that wants to use the OpenJDK classes.
> 
> Cheers
> Xerxes

No.  If this is needed for JamVM, it should be a JamVM-specific patch,
not applied generally.
-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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