linux-kernel - Re: [GIT PULL 0/5] perf/core improvements and fixes

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Message-ID: <20111015170452.GD29782@elte.hu>
Date:	Sat, 15 Oct 2011 19:04:52 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Ahern <dsahern@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	linux-kernel@...r.kernel.org,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Thomas Jarosch <thomas.jarosch@...ra2net.com>,
	arnaldo.melo@...il.com
Subject: Re: [GIT PULL 0/5] perf/core improvements and fixes


* David Ahern <dsahern@...il.com> wrote:

> On 10/15/2011 08:59 AM, Ingo Molnar wrote:
> > Btw., i noticed another weirdness - sometimes after startup i get 
> > this message:
> > 
> > /lib64/libc-2.14.90.so was updated, restart the long running apps that use it!                          
> > 
> > but it was not updated recently:
> > 
> >  earth5:~/tip/tools/perf> ll /lib64/libc-2.14.90.so
> >  -rwxr-xr-x 1 root root 2062920 Sep 28 15:11 /lib64/libc-2.14.90.so
> >  earth5:~/tip/tools/perf> date
> >  Sat Oct 15 16:59:04 CEST 2011
> >  earth5:~/tip/tools/perf> uptime
> >   16:59:08 up 19 days, 21:35, 11 users,  load average: 7.77, 7.48, 3.81
> 
> I got the impression that comment was relative to when the 
> processes were started versus prelink touching it. In your case the 
> mod time of libc is after the uptime of the box.

Ok, that makes sense. Do we report this in perf report output as 
well?

Thanks,

	Ingo
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