linux-kernel - Re: [PATCH RFC -tip 0/6] perf: IRQ-bound performance events

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Message-ID: <20130603133618.GK30878@dhcp-26-207.brq.redhat.com>
Date:	Mon, 3 Jun 2013 15:36:19 +0200
From:	Alexander Gordeev <agordeev@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Jiri Olsa <jolsa@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH RFC -tip 0/6] perf: IRQ-bound performance events

On Mon, Jun 03, 2013 at 11:41:32AM +0200, Alexander Gordeev wrote:
> # ./tools/perf/perf stat -I 8 -a -e L1-dcache-load-misses:k sleep 1
> 
>  Performance counter stats for process id '8':
> 
>                  0 L1-dcache-load-misses                                       
> 
>        1.001235781 seconds time elapsed
> 
> # ./tools/perf/perf stat -I 8 -a -e L1-dcache-load-misses:k hwclock --test
> Mon 03 Jun 2013 04:42:59 AM EDT  -0.891274 seconds
> 
>  Performance counter stats for process id '8':

Oops, the most interesting part did not make it in. Very sorry :) Here:

# ./tools/perf/perf stat -I 8 -a -e L1-dcache-load-misses:k hwclock --test
Mon 03 Jun 2013 09:32:49 AM EDT  -0.719514 seconds

 Performance counter stats for process id '8':

               447 L1-dcache-load-misses                                       

       0.720874208 seconds time elapsed


-- 
Regards,
Alexander Gordeev
agordeev@...hat.com
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