> * Rui Nuno Capela <[EMAIL PROTECTED]> wrote: > >> OTOH, I'll take this chance to show you something that is annoying me >> for quite some time. Just look to the attached chart where I've marked >> the spot with an arrow and a question mark. Its just one example of a >> strange behavior/phenomenon while running the jack_test4.2 test on >> PREEMPT_RT kernels: the CPU usage, which stays normally around 50%, >> suddenly jumps to 60% steady, starting at random points in time but >> always some time after the test has been started. Note that this >> randomness surely adds to the the slight differences found on the >> above results. > > how long does this condition persist?
On all of my extensive tests, it persists on all of the remaining jack_test4 time span, doesn't matter how long it is. I'll look later into your profiling and tracing instructions. Many thanks for the directions. Seeya. -- rncbc aka Rui Nuno Capela [EMAIL PROTECTED] - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/