From: Andi Kleen <andi@firstfloor.org>
To: Marina Moran <esperandoelmilagro@gmail.com>
Cc: linux-perf-users@vger.kernel.org
Subject: Re: event for speculative executed instruction
Date: Wed, 20 May 2015 07:23:08 -0700 [thread overview]
Message-ID: <87k2w3ib03.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <CAP5Bk4hT3sSRprB6JP7NYbuG7fQdsK70NMNqqtPgpJM0TzfaGQ@mail.gmail.com> (Marina Moran's message of "Wed, 20 May 2015 10:45:42 -0300")
Marina Moran <esperandoelmilagro@gmail.com> writes:
>
> The intels are:
> Intel Xeon CPU E5-2630 0 @ 2.30GHz
> Intel Core2 Quad CPU Q6600 @ 2.40GHz
What you can measure on the E5 is cycles stalled due to recovery
from mis-speculation. That is not quite the same, but somewhat related.
The toplev tool in pmu-tools (http://github.com/andikleen/pmu-tools) can
do this on top of perf for the E5. No support for the Core2.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
prev parent reply other threads:[~2015-05-20 14:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-20 13:45 event for speculative executed instruction Marina Moran
2015-05-20 14:23 ` Andi Kleen [this message]
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