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SubjectRe: [V3][PATCH 0/7] perf, x86: Implement AMD IBS

* Peter Zijlstra <peterz@infradead.org> wrote:

> On Tue, 2011-10-04 at 09:41 -0700, Andi Kleen wrote:
> > Ingo Molnar <mingo@elte.hu> writes:
> > >
> > > - Testable IBS user-space code a bit more prominently integrated
> > > than having to go down into a cellar with no working lights and
> > > finding the code on display in tools/perf/Documentation/examples/
> > > on the bottom of a locked filing cabinet stuck in a disused
> > > lavatory with a sign on the door saying 'Beware of the Leopard.'
> >
> > I looked at this for PEBS, and the best solution currently seems
> > to be a python script that works with perf script and does some post
> > processing to present the data as summary or individual samples.
> > I assume that could work for IBS too.
> >
> > Comments?
>
> I would much prefer perf {ibs,pebs} commands implemented in C, so
> that normal people can change/improve them too.

The other issue is performance, obviously. So for core functionality
we are pretty sure we want to offer to everyone C is the preferred
form.

Scripting integration *in addition* to that is obviously welcome too.

Thanks,

Ingo


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