From: Chulmin Kim <cmkim@core.kaist.ac.kr>
To: linux-perf-users@vger.kernel.org
Subject: Re: Does Perf support AMD cpu perfectly?
Date: Mon, 26 Nov 2012 21:15:52 +0900 [thread overview]
Message-ID: <50B35D78.9090805@core.kaist.ac.kr> (raw)
In-Reply-To: <50B3517A.7090505@core.kaist.ac.kr>
Update for this issue.
- rc0 and instruction events show the similar result.
- still, the count of L3 cache miss event is 1/10 of what i expected.
(LLC-load-misses)
2012-11-26 오후 8:24, Chulmin Kim 쓴 글:
> Hi all.
>
> I'm on the way of monitoring AMD machine.
>
> I wonder Perf is supporting AMD PMU Events perfectly or not.
>
> It seems not working correctly despite the same command works in intel
> machines perfectly.
>
> command : (perf stat -e rc0 -e instructions ./blah)
> result : the value for "rc0" almost equals to that of "instruction" in
> Intel machine, while it does not in AMD machine
>
>
> Other events such as cache events seem weird also.
>
> Is there any material mentioning this issue?
>
>
>
> Thanks!
>
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next prev parent reply other threads:[~2012-11-26 12:16 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-26 11:24 Does Perf support AMD cpu perfectly? Chulmin Kim
2012-11-26 12:15 ` Chulmin Kim [this message]
2012-11-26 13:45 ` Chulmin Kim
2012-11-26 13:53 ` Chulmin Kim
2012-11-27 6:42 ` Chulmin Kim
2012-11-26 14:05 ` Jiri Olsa
2012-11-26 15:43 ` Chulmin Kim
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