Messages in this thread | | | Date | Sun, 12 Jul 2015 15:22:25 +0200 | From | Jiri Olsa <> | Subject | Re: [PATCH RFC V2 3/5] perf,tool: partial time support |
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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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