* 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/