On Wed, 10 Jul 2013, Dave Jones wrote: > Something is really fucked up in the kernel side of perf. > I get this right after booting.. > > [ 114.516619] perf samples too long (4262 > 2500), lowering > kernel.perf_event_max_sample_rate to 50000 > > That's before I even get a chance to log in, so I'm pretty sure perf isn't > even being run. > > And this is just booting up my desktop, not fuzzing.
This is probably related to the problem described in the thread perf: fix interrupt handler timing harness http://comments.gmane.org/gmane.linux.kernel/1520775 which in theory has a fix. Not sure why it'd trigger during boot. NMI watchdog? Vince -- 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/
