From: Tim Blechmann <tim@klingt.org>
To: Robert Richter <robert.richter@amd.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <ak@linux.intel.com>,
oprofile-list@lists.sf.net, linux-kernel@vger.kernel.org,
venkatesh.pallipadi@intel.com
Subject: Re: 2.6.28-rc9: oprofile regression
Date: Sat, 17 Jan 2009 17:40:36 +0100 [thread overview]
Message-ID: <1232210436.6710.80.camel@thinkpad> (raw)
In-Reply-To: <20090117155635.GC21604@erda.amd.com>
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> Hmm, strange. Actually 7c64ade53a6f977d73f16243865c42ceae999aea fixed
> a similiar bug, see here:
> http://bugzilla.kernel.org/show_bug.cgi?id=11908
>
> Your patch with 2.6.28, does:
>
> grep NMI /proc/interrupts
>
> returns exactly 1 NMI per core or some more?
that bug is similar, but it reports different numbers of NMIs for the
cores.
i get exactly one NMI per core, for each time, i start oprofile:
NMI: 0
opcontrol -s
(wait)
opcontrol --deinit
NMI: 1
opcontrol -s
(wait)
opcontrol --deinit
NMI: 2
hth, tim
--
tim@klingt.org
http://tim.klingt.org
Which is more musical, a truck passing by a factory or a truck passing
by a music school?
John Cage
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next prev parent reply other threads:[~2009-01-17 16:41 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-21 14:23 2.6.28-rc9: oprofile regression Tim Blechmann
2008-12-21 21:23 ` Tim Blechmann
2008-12-22 12:11 ` Robert Richter
2008-12-26 2:42 ` Andi Kleen
2009-01-02 11:04 ` Tim Blechmann
2009-01-14 17:10 ` Thomas Gleixner
2009-01-14 18:19 ` Tim Blechmann
2009-01-15 8:46 ` Thomas Gleixner
2009-01-15 9:14 ` Tim Blechmann
2009-01-15 20:37 ` Thomas Gleixner
2009-01-16 0:53 ` Tim Blechmann
2009-01-16 8:59 ` Thomas Gleixner
2009-01-16 11:29 ` Tim Blechmann
2009-01-16 15:52 ` Thomas Gleixner
2009-01-16 16:02 ` Tim Blechmann
2009-01-17 13:32 ` Tim Blechmann
2009-01-17 14:14 ` Robert Richter
2009-01-17 15:09 ` Tim Blechmann
2009-01-17 15:56 ` Robert Richter
2009-01-17 16:40 ` Tim Blechmann [this message]
2009-02-11 19:51 ` 2.6.29-rc4 regression (was: Re: 2.6.28-rc9: oprofile regression) Tim Blechmann
2009-02-13 19:07 ` Robert Richter
2009-02-16 10:23 ` Tim Blechmann
2009-02-16 11:33 ` Robert Richter
2009-02-16 12:53 ` 2.6.29-rc4 regression Tim Blechmann
2009-02-17 7:45 ` Mike Galbraith
2009-02-17 21:56 ` Tim Blechmann
2009-02-18 4:54 ` Mike Galbraith
2009-02-16 11:40 ` 2.6.29-rc4 regression (was: Re: 2.6.28-rc9: oprofile regression) Robert Richter
2009-02-19 16:34 ` [PATCH] oprofile: don't set counter width from cpuid on core2 Tim Blechmann
2009-03-03 10:04 ` Robert Richter
2009-03-03 11:05 ` Ingo Molnar
2009-03-03 11:09 ` [tip:x86/urgent] x86: oprofile: don't set counter width from cpuid on Core2 Tim Blechmann
-- strict thread matches above, loose matches on Subject: below --
2008-12-22 14:55 2.6.28-rc9: oprofile regression Tim Blechmann
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