From: Eric B Munson <ebmunson@us.ibm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Subject: Re: perf record and multiple events
Date: Thu, 18 Feb 2010 17:06:25 +0000 [thread overview]
Message-ID: <20100218170625.GB3856@us.ibm.com> (raw)
In-Reply-To: <1266500821.26719.649.camel@laptop>
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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@us.ibm.com
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prev parent reply other threads:[~2010-02-18 17:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-17 17:38 perf record and multiple events Eric B Munson
2010-02-18 13:47 ` Peter Zijlstra
2010-02-18 17:06 ` Eric B Munson [this message]
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