While doing perf record -g I regularly exceed the time quote for the NMI: This leads to perf shortening the period, which causes various problems.
This patchkit optimizes two sources of longer latencies in the NMI backtrace code. There's probably more work needed to fix other sources of latencies too. -Andi -- 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/