linux-kernel - Re: [PATCH RFC V3 2/5] perf/documentation: Add description for period

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Message-ID: <20150714140515.GI2885@kernel.org>
Date:	Tue, 14 Jul 2015 11:05:15 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	kan.liang@...el.com, jolsa@...nel.org, namhyung@...nel.org,
	ak@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC V3 2/5] perf/documentation: Add description for period

Em Tue, Jul 14, 2015 at 08:55:18AM +0200, Jiri Olsa escreveu:
> On Wed, Jul 08, 2015 at 04:44:54AM -0400, kan.liang@...el.com wrote:
> > From: Kan Liang <kan.liang@...el.com>
> > 
> > 'period' param is not defined in
> > /sys/bus/event_sources/devices/<pmu>/format/*
> > 
> > Signed-off-by: Kan Liang <kan.liang@...el.com>
> > ---
> >  tools/perf/Documentation/perf-record.txt | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
> > index 9b9d9d0..5b47b2c 100644
> > --- a/tools/perf/Documentation/perf-record.txt
> > +++ b/tools/perf/Documentation/perf-record.txt
> > @@ -45,6 +45,14 @@ OPTIONS
> >            param1 and param2 are defined as formats for the PMU in:
> >            /sys/bus/event_sources/devices/<pmu>/format/*
> >  
> > +	  There are also some params which are not defined in .../<pmu>/format/*.
> > +	  These params can be used to set event defaults.
> > +	  Here is a list of the params.
> > +	  - 'period': Set event sampling period
> 
> Acked-by: Jiri Olsa <jolsa@...nel.org>

Thanks, applied.
 
> while at it, could you please add doc also for 'name'?
> 
> thanks,
> jirka
> 
> > +
> > +	  Note: If user explicitly sets options which conflict with the params,
> > +	  the value set by the params will be overridden.
> > +
> >          - a hardware breakpoint event in the form of '\mem:addr[/len][:access]'
> >            where addr is the address in memory you want to break in.
> >            Access is the memory access type (read, write, execute) it can
> > -- 
> > 1.8.3.1
> > 
> --
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