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Groups > linux.kernel > #1182350
| From | Jiri Olsa <jolsa@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH RFC V2 3/5] perf,tool: partial time support |
| Date | 2015-07-12 15:30 +0200 |
| Message-ID | <pLpur-is-13@gated-at.bofh.it> (permalink) |
| References | <pJF0B-6Z-9@gated-at.bofh.it> <pJF0B-6Z-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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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
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