From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jiri Olsa <jolsa@redhat.com>
Subject: Re: perf not measuring LLC events?
Date: Mon, 21 Jan 2013 15:38:16 +0100
Message-ID: <20130121143816.GE1995@krava.brq.redhat.com>
References: <loom.20121215T192044-606@post.gmane.org>
 <loom.20130118T172647-728@post.gmane.org>
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To: Jeff Johnson <jerojohn@ucsc.edu>
Cc: linux-perf-users@vger.kernel.org

On Fri, Jan 18, 2013 at 04:28:51PM +0000, Jeff Johnson wrote:
> Dervin Thunk <dervin.thunk <at> gmail.com> writes:
> 
> > 
> > Dear all,
> > 
> > I'm trying to measure the LLC events of a program. I'm running
> > linux-tools-3.2.0- 34 on a fairly recent 4 core Intel machine. For a
> > certain program that reads a 64 MB file into memory, I get
> > 
> >  Performance counter stats for './algo data/E.dna':
> > 
> >                  0 LLC-loads                                                   
> >                  0 LLC-load-misses
> 
> 
> Dervin, 
> I am experiencing the same issue. I am running perf on an i5 machine. Have you 
> gotten any feedback regarding this? 

I'm getting some 'sane' numbers on 2 cores i7 SandyBridge on 3.6.11-1.fc17.x86_64

not sure if this was broken back in 3.2.0

please be more specific on what system you're testing on
and provide whole perf stat command line

jirka