From: Lee Revell <rlrevell@joe-job.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Subject: Re: 2.6.14-rt1: oprofile doesn't work anymore
Date: Thu, 03 Nov 2005 18:22:12 -0500 [thread overview]
Message-ID: <1131060132.4770.2.camel@mindpipe> (raw)
In-Reply-To: <1131053974.23154.9.camel@mindpipe>
On Thu, 2005-11-03 at 16:39 -0500, Lee Revell wrote:
> I am using the simple "profile" script that Andrew Morton posted several
> months ago. But no matter what I do, all I get is:
>
> opreport error: No sample file found: try running opcontrol --dump
> or specify a session containing sample files
>
> (Of course I have tried running opcontrol --dump, it has absolutely no
> effect)
>
> Examining the log files I see that it does not collect any samples.
I just tested this with oprofile both built into the kernel and as a
module, and with oprofile userspace tools 0.9.1 and from CVS. No
change. I have verified that /dev/oprofile is mounted. It looks like
the profiler never sees any samples.
rlrevell@mindpipe:~$ cat /dev/oprofile/stats/cpu0/sample_received
0
Could one of the ktimers changes have broken the timer interrupt based
profiling?
Lee
next prev parent reply other threads:[~2005-11-03 23:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-03 21:39 2.6.14-rt1: oprofile doesn't work anymore Lee Revell
2005-11-03 23:22 ` Lee Revell [this message]
2005-11-06 18:45 ` Lee Revell
2006-05-31 3:27 ` Lee Revell
-- strict thread matches above, loose matches on Subject: below --
2006-07-18 13:49 Jonathan Walsh
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