linux-kernel - Re: [RFC 00/47] perf stat: Add scripting support

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Message-ID: <20150726135108.GB17020@krava.brq.redhat.com>
Date:	Sun, 26 Jul 2015 15:51:08 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Jiri Olsa <jolsa@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ulrich Drepper <drepper@...il.com>,
	Will Deacon <will.deacon@....com>,
	Stephane Eranian <eranian@...gle.com>,
	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, kan.liang@...el.com
Subject: Re: [RFC 00/47] perf stat: Add scripting support

On Tue, Jul 21, 2015 at 04:43:08PM +0200, Andi Kleen wrote:
> On Tue, Jul 21, 2015 at 02:31:20PM +0200, Jiri Olsa wrote:
> > hi,
> > sending RFC on another attempt for stat scripting.
> > 
> > The initial attempt defined its own formula lang and allowed
> > triggering user's script on the end of the stat command:
> >   http://marc.info/?l=linux-kernel&m=136742146322273&w=2
> > 
> > This patchset abandons the idea of new formula language
> > and rather adds support to:
> >   - store stat data into perf.data file
> >   - add python support to process stat events
> > 
> > Basically it allows to store stat data into perf.data and
> > post process it with python scripts in a similar way we
> > do for sampling data.
> 
> I suspect there is some overlap with Kan's patchkit to put
> uncore data into perf.data too.

hum, haven't seen this, was it posted already?

jirka
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