> > Load average is between 0.30 and 0.60 when the machine is idle, the > > two ksoftirqd threads get a very high total running time in top. > > This is on a P4 machine. On a recent laptop, the load is not as > > high, but the ksoftirqd threads also get a very high total running > > time. > Mind having a look at this anomaly with the function graph tracer? We are > interested in a representative trace that shows the weird ksoftirq activities. > [ which trace could possibly pinpoint their origin. ] > Here's the tracing quickstart: > http://redhat.com/~mingo/tip.git/tracing-quickstart.txt > Also attached below. Let me know if you have trouble getting a good trace, > or if any of the steps were non-intuitive or burdensome to you. Thanks for your feedback & explanations; I will try to have a look at all this material asap, I think tomorrow. Damien -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html