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From: Namhyung Kim <namhyung@kernel.org>
To: Arnav <arnav.gupta06@live.in>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: sampling and reading
Date: Wed, 05 Nov 2014 11:41:43 +0900	[thread overview]
Message-ID: <87ppd2xtaw.fsf@sejong.aot.lge.com> (raw)
In-Reply-To: <loom.20141104T212325-617@post.gmane.org> (Arnav's message of "Tue, 4 Nov 2014 20:27:08 +0000 (UTC)")

Hi Arnav,

On Tue, 4 Nov 2014 20:27:08 +0000 (UTC), Arnav wrote:
> i am working on a project where i need to find program counters for every 100M 
> instructions.
>
> i have used the  following command to record the event
>
> perf record -e instructions -c 100000000 ./filename
>
> now, since counters are counted every 100M instructions, i read file using 
> 'perf report'. But i get results in some percentage form and not in numerical 
> numbers format.
>
> i wish to read the file and gather the perforamance counter statistics. 
> Plz suggest how to get the desired results.

How about using

  perf report --show-total-period

?

Thanks,
Namhyung

      parent reply	other threads:[~2014-11-05  2:41 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-04 20:27 sampling and reading Arnav
2014-11-04 21:08 ` Andi Kleen
2014-11-05  2:41 ` Namhyung Kim [this message]

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