Messages in this thread | | | Date | Tue, 23 Nov 2004 16:41:08 +0100 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2 |
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* Rui Nuno Capela <rncbc@rncbc.org> wrote:
> Yes, there's a non-official patch to jackd from Lee Revell's. Without > that you don't get to read the maximum delay from jackd. Sorry. But if > you have the patience to rebuild jack, here comes attached the minimal > patch for just that.
thx, it applied cleanly to jack-cvs. Here's the 5-minute idle-system test again:
************* SUMMARY RESULT **************** Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 0 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 28 usecs Cycle Maximum . . . . . . . . : 414 usecs Average DSP Load. . . . . . . : 20.6 % Average CPU System Load . . . : 11.6 % Average CPU User Load . . . . : 8.6 % Average CPU Nice Load . . . . : 0.0 % Average CPU I/O Wait Load . . : 0.0 % Average CPU IRQ Load . . . . : 0.0 % Average CPU Soft-IRQ Load . . : 0.0 % Average Interrupt Rate . . . : 1671.7 /sec Average Context-Switch Rate . : 17003.1 /sec *********************************************
but i can reproduce xruns on another, much slower box, using just 3-4 jack_test clients. The xruns dont seem to be justified, they happen at 30-40% CPU utilization already.
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