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xen-devel
Re: [Xen-devel] Xenoprof: getting Oprofile out of timer mode?
On Wednesday 24 May 2006 12:19, Ray Bryant wrote:
> On Wednesday 24 May 2006 02:02, Santos, Jose Renato G wrote:
> > According to the Intel manual cpu_model 6 has the same
> > perf counters as the other models of the p4 family.
> > Thus, the patch seems the right fix, except
> > that it would be better to use (cpu_model > 6)
> > instead of (cpu_model > 7).
> > Keir is right, oprofile should have the same problem
> > in native Linux. I guess we could submit a similar
> > patch for oprofile to the linux kernel mailing list.
> >
> > Renato
>
> Ah, no, you need to return 1 for success. If the current cpu_model is 6,
> then "if (cpu_model > 6)" will return 0 and xenoprof/oprofile will remain
> in timer mode.
Ah, duh. Please ignore.
--
Ray Bryant
AMD Performance Labs Austin, Tx
512-602-0038 (o) 512-507-7807 (c)
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