Re: [PATCH 0/7] perf updates and fixes

From: Ingo Molnar
Date: Fri Mar 26 2010 - 03:58:38 EST



* Paul Mackerras <paulus@xxxxxxxxx> wrote:

> On Fri, Mar 26, 2010 at 02:52:35AM +0100, Frederic Weisbecker wrote:
>
> > The series is not yet mergeable because it would break PowerPc (hot regs
> > snapshot API has been changed, and I don't know how to update PowerPc for
> > that).
> >
> > But if you're fine with the ideas, I can integrate the necessary changes
> > to fix this, and also separate fixes and updates.
>
> The patch below adds the necessary stuff for powerpc. You could fold it
> into your "perf: Move perf_arch_fetch_caller_regs into a macro" patch, or
> keep it as a separate patch in the series (though that would make preserving
> bisectability more difficult).

Since the series needs a resend anyway folding back ought to be fine i think.

I'm wondering whether this should get into tip:perf/urgent - or in
tip:perf/core for 2.6.35.

It fixes sw event call trace ugliness, but is that a 2.6.34 regression? Is
there any other aspect of the series that points towards accelerating this
into .34?

Thanks,

Ingo
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