From: David Ahern <dsahern@gmail.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>,
linux-kernel@vger.kernel.org,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
Thomas Jarosch <thomas.jarosch@intra2net.com>,
arnaldo.melo@gmail.com
Subject: Re: [GIT PULL 0/5] perf/core improvements and fixes
Date: Sat, 15 Oct 2011 11:46:14 -0600 [thread overview]
Message-ID: <4E99C6E6.2040201@gmail.com> (raw)
In-Reply-To: <20111015170452.GD29782@elte.hu>
On 10/15/2011 11:04 AM, Ingo Molnar wrote:
>
> * David Ahern <dsahern@gmail.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?
It should. The message comes from map__load() when it detects a deleted
mapping such as:
7f9e8d5c7000-7f9e8d5c8000 rw-p 0000c000 fd:02 1046947
/lib64/libpam.so.0.82.2.#prelink#.cM3f72 (deleted)
I have removed prelink from most of my systems (managed to find one lone
server with the above).
David
>
> Thanks,
>
> Ingo
next prev parent reply other threads:[~2011-10-15 17:46 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-14 18:27 [GIT PULL 0/5] perf/core improvements and fixes Arnaldo Carvalho de Melo
2011-10-14 18:27 ` [PATCH 1/5] perf hists browser: Invalidate ui_browser->top after timer calls Arnaldo Carvalho de Melo
2011-10-14 18:27 ` [PATCH 2/5] perf annotate browser: Exit when pressing ESC or the left arrow Arnaldo Carvalho de Melo
2011-10-14 18:27 ` [PATCH 3/5] perf ui browser: Add filter method Arnaldo Carvalho de Melo
2011-10-14 18:27 ` [PATCH 4/5] perf annotate browser: Allow toggling the visualization of source code lines Arnaldo Carvalho de Melo
2011-10-14 18:27 ` [PATCH 5/5] perf buildid: Fix possible unterminated readlink() result buffer Arnaldo Carvalho de Melo
2011-10-15 14:59 ` [GIT PULL 0/5] perf/core improvements and fixes Ingo Molnar
2011-10-15 17:00 ` David Ahern
2011-10-15 17:04 ` Ingo Molnar
2011-10-15 17:46 ` David Ahern [this message]
2011-10-15 19:06 ` Arnaldo Carvalho de Melo
2011-10-15 19:09 ` David Ahern
2011-10-17 1:15 ` Arnaldo Carvalho de Melo
2011-10-17 6:48 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2018-02-21 1:34 Arnaldo Carvalho de Melo
2018-02-21 7:52 ` Ingo Molnar
2015-10-21 21:31 Arnaldo Carvalho de Melo
2015-10-22 7:34 ` Ingo Molnar
2015-10-07 22:45 Arnaldo Carvalho de Melo
2015-04-13 22:14 Arnaldo Carvalho de Melo
2015-04-13 22:33 ` Masami Hiramatsu
2015-04-13 23:09 ` Arnaldo Carvalho de Melo
2015-04-13 23:19 ` Arnaldo Carvalho de Melo
2015-04-14 12:12 ` Ingo Molnar
2014-10-17 19:49 Arnaldo Carvalho de Melo
2014-10-18 7:04 ` Ingo Molnar
2014-06-27 12:20 Jiri Olsa
2014-07-05 9:30 ` Ingo Molnar
2014-04-18 10:31 Jiri Olsa
2011-02-17 20:41 Arnaldo Carvalho de Melo
2011-02-18 7:26 ` Ingo Molnar
2010-12-06 20:28 Arnaldo Carvalho de Melo
2010-11-26 21:47 Arnaldo Carvalho de Melo
2010-10-23 20:28 Arnaldo Carvalho de Melo
2010-10-24 9:39 ` Ingo Molnar
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