* Dave Jones <da...@redhat.com> wrote:

> 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.

The NMI watchdog is a perf event.

I've Cc:-ed Dave Hansen, the author of those changes - is this a false 
positive or some real problem?

Thanks,

        Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to