On 10/13/2011 01:28 AM, Michael Ost wrote: >> On 10/07/2011 08:07 PM, Robin Gareus wrote: >> It's a bit dated but so is your 2.6.24.3 kernel. You will need to >> compile the kernel with CONFIG_PREEMPT_TRACER=y CONFIG_SCHED_TRACER=y >> under "Kernel hacking -> Tracers -> .." to get access to >> /sys/kernel/debug/tracing/ > > I've got some output, but am not having much luck parsing it or figuring > it out. Would you (or anyone else on the list) be willing to take a look > at it?
At the output? - why not. just post it. At the problem? mmh maybe, sounds like a lot of initial setup work. > I'm using a 2.6.33.7 kernel, by the way. > > Cheers... mo mount -t debugfs debugfs /sys/kernel/debug echo wakeup_rt > /sys/kernel/debug/tracing/current_tracer cyclictest -m -p 80 -b 200 -f -T wakeup_rt # cyclic-test shows Thread ID -> ps -> WHO is causing the delay? cat /sys/kernel/debug/tracing/trace # sheds light onto the WHY HTH, robin _______________________________________________ Linux-audio-dev mailing list [email protected] http://lists.linuxaudio.org/listinfo/linux-audio-dev
