Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support

[Namhyung Kim]

Hi Jiri,

On Sat, 20 Oct 2012 16:33:08 +0200, Jiri Olsa wrote:
> hi,
> adding support to read sample values through the PERF_SAMPLE_READ
> sample type. It's now possible to specify 'S' modifier for an event
> and get its sample value by PERF_SAMPLE_READ.

I have a question.  What's an actual impact of specifying 'S' modifiere
to a non-group event or even only a (non-leader) member of a group?  For
instance, 'cycles:S' or '{branches,branch-misses:S}'.

Thanks,
Namhyung
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