Messages in this thread | | | Date | Fri, 26 Oct 2012 10:00:34 -0700 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 00/11] perf tool: Add PERF_SAMPLE_READ sample read support |
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Em Sat, Oct 27, 2012 at 12:39:06AM +0900, Namhyung Kim escreveu: > 2012-10-26 (금), 12:23 +0200, Jiri Olsa: > > $ ./perf record -e '{cycles,cache-misses}:S,instructions' ls > > $ ./perf record -e '{cycles:S,cache-misses},instructions' ls > > $ ./perf record -e 'cycles:S,instructions' ls > > - non matching sample_type > > > > hm, thats the unique sample_type issue again ;) Once we set > > PERF_SAMPLE_READ for event or group, we need to set it for > > all other events in session, otherwise the report fails > > Sorry, I don't understand why we need to set it for all events. Just > setting it for a group is not sufficient? Please shed some light on > this.
Artificial limitation on having multiple sample_type's on a single perf.data?
My plan is to experiment with multiple evlists in 'trace' to get, say, callchains on some events but not in the others.
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