linux-kernel - Re: [PATCH 3/3] perf, tool: Add new event group management

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Date:	Wed, 21 Mar 2012 12:54:28 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	acme@...hat.com, mingo@...e.hu, paulus@...ba.org,
	cjashfor@...ux.vnet.ibm.com, fweisbec@...il.com,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 3/3] perf, tool: Add new event group management

On Tue, 2012-03-20 at 23:36 +0100, Jiri Olsa wrote:
> > If so, we need some option like:
> > 
> >   perf record -e "{cpu-clock,cache-misses,cache-references}:1"
> > 
> > to mean, only sample on cpu-clock but use PERF_SAMPLE_READ and
> > PERF_FORMAT_GROUP to read all siblings on every cpu-clock sample.
> 
> never happy, are you.. ;) seems like nice feature, will check 

Hehe, its a long standing feature request. Also tglx asked for it only a
few days ago.

I just saw a good opportunity ;-)
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