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

From: Jiri Olsa
Date: Mon Sep 07 2015 - 07:36:41 EST

On Thu, Sep 03, 2015 at 08:30:56AM -0400, kan.liang@xxxxxxxxx wrote:
> From: Kan Liang <kan.liang@xxxxxxxxx>
> This patch set supports per-sample freq/CPU%/CORE_BUSY% print in perf
> report -D and --stdio.
> For printing these information, the 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

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