On 06/26/2013 07:49 AM, Nathan Zimmer wrote: > My guess it is the NMIs overwhelming the system but I have not found a good way > to profile perf gone wild so it is only a guess. I've got an 80-core system and the symptoms sound similar to perf issues I'm seeing. Dropping the sample rate helped for me, and there's a patch in -tip at the moment to do it automatically: > http://git.kernel.org/cgit/linux/kernel/git/tip/tip.git/commit/?id=14c63f17b1fde5a575a28e96547a22b451c71fb5 Looks like you've also found that debugging NMIs is fun. :) -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
