Re: [PATCH 3/3] perf, tool: Add new event group management

From: Peter Zijlstra
Date: Wed Mar 21 2012 - 07:54:44 EST


On Tue, 2012-03-20 at 23:36 +0100, Jiri Olsa wrote:
> > If so, we need some option like:
> >
> > perf record -e "{cpu-clock,cache-misses,cache-references}:1"
> >
> > to mean, only sample on cpu-clock but use PERF_SAMPLE_READ and
> > PERF_FORMAT_GROUP to read all siblings on every cpu-clock sample.
>
> never happy, are you.. ;) seems like nice feature, will check

Hehe, its a long standing feature request. Also tglx asked for it only a
few days ago.

I just saw a good opportunity ;-)
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