From: Andi Kleen <andi@firstfloor.org>
To: Muthusamy <muthu9283@yahoo.com>
Cc: "linux-perf-users@vger.kernel.org" <linux-perf-users@vger.kernel.org>
Subject: Re: unable to get load latency info
Date: Fri, 28 Feb 2014 05:42:21 -0800 [thread overview]
Message-ID: <87bnxrcq0y.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <1393568679.86476.YahooMailNeo@web125402.mail.ne1.yahoo.com> (Muthusamy's message of "Thu, 27 Feb 2014 22:24:39 -0800 (PST)")
Muthusamy <muthu9283@yahoo.com> writes:
> perf version 3.12.11
> [root@rafa tmp]# ./perf stat -e r100b pwd ### (I have tried with
> other data intensive programs too)
I don't think r100b is a valid event on Westmere. Not sure where you got
that from. As others pointed out you need to use perf mem record/report
with sampling (but note that it reports use-latency, not load-latency)
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2014-02-28 13:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-28 6:24 unable to get load latency info Muthusamy
2014-02-28 10:43 ` Harald Servat
2014-02-28 11:06 ` Manuel Selva
2014-02-28 13:42 ` Andi Kleen [this message]
2014-02-28 13:57 ` Harald Servat
2014-02-28 16:45 ` Andi Kleen
2014-03-03 5:12 ` Muthusamy
2014-03-03 7:50 ` Harald Servat
[not found] ` <1393851732.26401.YahooMailNeo@web125404.mail.ne1.yahoo.com>
2014-03-03 14:24 ` Harald Servat
2014-03-04 10:43 ` Muthusamy
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