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Re: [PATCH V8 0/7] Freq/CPU%/CORE_BUSY% support

From Jiri Olsa <jolsa@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH V8 0/7] Freq/CPU%/CORE_BUSY% support
Date 2015-09-07 13:40 +0200
Message-ID <q62We-4iH-25@gated-at.bofh.it> (permalink)
References <q4IGe-4OA-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Sep 03, 2015 at 08:30:56AM -0400, kan.liang@intel.com wrote:
> From: Kan Liang <kan.liang@intel.com>
> 
> This patch set supports per-sample freq/CPU%/CORE_BUSY% print in perf
> report -D and --stdio.
> For printing these information, the perf.data file must have been obtained
> by group read and using special events cycles, ref-cycles, msr/tsc/,
> msr/aperf/ or msr/mperf/.
> 
>  - Freq (MHz): The frequency during the sample interval. Needs cycles
>    ref-cycles event.
>  - CPU%: CPU utilization during the sample interval. Needs ref-cycles and
>    msr/tsc/ events.
>  - CORE_BUSY%: actual percent performance (APERF/MPERF%) during the
>    sample interval. Needs msr/aperf/ and msr/mperf/ events.
> 
> Here is an example:

other than my latest 2 comments, I'm ok with the patchset

jirka
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[PATCH V8 0/7] Freq/CPU%/CORE_BUSY% support kan.liang@intel.com - 2015-09-03 21:50 +0200
  [PATCH V8 7/7] perf,tools: Show freq/CPU%/CORE_BUSY% in perf report --stdio kan.liang@intel.com - 2015-09-03 21:50 +0200
    Re: [PATCH V8 7/7] perf,tools: Show freq/CPU%/CORE_BUSY% in perf  report --stdio Jiri Olsa <jolsa@redhat.com> - 2015-09-07 13:20 +0200
  [PATCH V8 4/7] perf,tools: fix dump_sample crash when evsel is NULL. kan.liang@intel.com - 2015-09-03 21:50 +0200
    [tip:perf/core] perf session: Don't call dump_sample()   when evsel is NULL tip-bot for Kan Liang <tipbot@zytor.com> - 2015-09-08 16:40 +0200
  [PATCH V8 2/7] perf,tools: read msr pmu type from header. kan.liang@intel.com - 2015-09-03 21:50 +0200
  Re: [PATCH V8 0/7] Freq/CPU%/CORE_BUSY% support Jiri Olsa <jolsa@redhat.com> - 2015-09-07 13:40 +0200

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