From: David Ahern <dsahern@gmail.com>
To: Victor Jimenez <victor.javier@bsc.es>, linuxppc-dev@lists.ozlabs.org
Cc: linux-perf-users@vger.kernel.org
Subject: Re: Sampling instruction pointer on PPC
Date: Thu, 01 Mar 2012 11:00:11 -0700 [thread overview]
Message-ID: <4F4FB92B.9080106@gmail.com> (raw)
In-Reply-To: <4F4FACFA.6080209@bsc.es>
[Added linuxppc-dev list.]
On 3/1/12 10:08 AM, Victor Jimenez wrote:
> I am trying to sample instruction pointer along time on a Power7 system.
> I know that there are accurate mechanisms to do so in Intel processors
> (e.g., PEBS and Branch Trace Store).
>
> Is it possible to do something similar in Power7? Will the samples be
> accurate? I am worried that significant delays (skids) may appear.
>
> Thank you,
> Victor
>
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next prev parent reply other threads:[~2012-03-01 18:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-01 17:08 Sampling instruction pointer on PPC Victor Jimenez
2012-03-01 18:00 ` David Ahern [this message]
2012-03-01 19:49 ` Maynard Johnson
[not found] ` <1330623954.4839.127.camel@oc5652146517.ibm.com>
2012-03-02 19:21 ` Victor Jimenez
2012-03-02 19:21 ` Victor Jimenez
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