[Webkit-unassigned] [Bug 32561] Provide a OProfile JIT agent (opagent) for the code generated by the JIT

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Apr 2 06:40:30 PDT 2010


--- Comment #8 from Holger Freyther <zecke at selfish.org>  2010-04-02 06:40:30 PST ---
(In reply to comment #7)
> > * Can you only profile on Linux?
> > * Can we remove some of our other sampling mechanisms in favor of this?
> I wish I could say yes to both questions, but OProfile is only for Linux. A
> kernel driver is needed at OS level. Probably it is not impossible to implement
> such a module on Mac as well ;)

The more natural choice on OS X would be to use DTrace but up to my knowledge
the DTrace JIT support was never completed by SUN but we could look at the Java
sourcecode to verify that.

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