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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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  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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