linux-kernel - Re: [PATCH V9 3/6] perf, record: introduce --freq-perf option

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Date:	Wed, 9 Sep 2015 16:34:52 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	kan.liang@...el.com
Cc:	acme@...nel.org, jolsa@...nel.org, a.p.zijlstra@...llo.nl,
	luto@...nel.org, mingo@...hat.com, eranian@...gle.com,
	ak@...ux.intel.com, mark.rutland@....com, adrian.hunter@...el.com,
	namhyung@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V9 3/6] perf, record: introduce --freq-perf option

On Tue, Sep 08, 2015 at 03:32:46PM -0400, kan.liang@...el.com wrote:
> From: Kan Liang <kan.liang@...el.com>
> 
> To generate the frequency and performance output, perf must sample read
> special events like cycles, ref-cycles, msr/tsc/, msr/aperf/ or
> msr/mperf/.
> With the --freq-perf option, perf record can automatically check and add
> those event into evlist for sampling read.
> 
> Signed-off-by: Kan Liang <kan.liang@...el.com>

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka
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