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Re: [PATCH RFC V2 3/5] perf,tool: partial time support

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  Re: [PATCH RFC V2 3/5] perf,tool: partial time support Jiri Olsa <jolsa@redhat.com> - 2015-07-12 15:30 +0200

#1182350 — Re: [PATCH RFC V2 3/5] perf,tool: partial time support

On Tue, Jul 07, 2015 at 06:19:03AM -0400, kan.liang@intel.com wrote:
> From: Kan Liang <kan.liang@intel.com>
> 
> When multiple events are sampled it may not be needed to collect fine
> grained time stamps on all events. The sample sites are usually nearby.
> It's enough to have time stamps on the regular reference events.
> This patchkit adds the ability to turn off time stamps per event. This
> in term can reduce sampling overhead and the size of the perf.data.

how is this usable in some perf example? I dont get the correlation
between 'refference' and the rest of the events in the report time..

thanks,
jirka
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