Re: [PATCH v2 1/2] perf tools: add event modifier to requestexclusive PMU access

From: Peter Zijlstra
Date: Mon Oct 22 2012 - 13:09:09 EST

On Mon, 2012-10-22 at 18:08 +0200, Stephane Eranian wrote:
> > I'm still wondering if the avg user really thinks 'instructions' is
> a
> > useful metric for other than obtaining ipc measurements.
> >
> Yeah, for many users CPI (or IPC) is a useful metric.

Right but you don't get that using instruction sampling, right? Or you
need to pair it with a cycle count one way or another. And I don't
really see PDIST helping with that.
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