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Date: Wed, 10 Jul 2013 11:40:29 -0400
From: Dave Jones <davej@redhat.com>
To: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel <linux-kernel@vger.kernel.org>,
        Peter Anvin <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>
Subject: Re: Yet more softlockups.
Message-ID: <20130710154029.GB11309@redhat.com>
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	Markus Trippelsdorf <markus@trippelsdorf.de>,
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	Peter Anvin <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>
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On Wed, Jul 10, 2013 at 05:20:15PM +0200, Markus Trippelsdorf wrote:
 > On 2013.07.10 at 11:13 -0400, Dave Jones wrote:
 > > I get this right after booting..
 > > 
 > > [  114.516619] perf samples too long (4262 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
 > 
 > You can disable this warning by:
 > 
 > echo 0 > /proc/sys/kernel/perf_cpu_time_max_percent

Yes, but why is this even being run when I'm not running perf ?

The only NMI source running should be the watchdog.

	Dave