linux-kernel - Re: perf record and multiple events

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Date:	Thu, 18 Feb 2010 17:06:25 +0000
From:	Eric B Munson <ebmunson@...ibm.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Subject: Re: perf record and multiple events

On Thu, 18 Feb 2010, Peter Zijlstra wrote:

> On Wed, 2010-02-17 at 17:38 +0000, Eric B Munson wrote:
> > While testing perf record I found that when multiple events are specified
> > on the command line, i.e. perf record -e dTLB-misses -e cache-misses,
> > the are lumped into a single category on output from perf report.  The
> > same event specification gives two event categories when using perf stat.
> > Is this working as expected or should I see seperate entries in the report
> > for each event?
> 
> The tools currently lack support for this, but patches are welcome.
> 

Thanks, I'll start looking into it.

-- 
Eric B Munson
IBM Linux Technology Center
ebmunson@...ibm.com


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