Messages in this thread | | | Date | Sat, 22 Jan 2005 17:48:21 +1100 | From | Con Kolivas <> | Subject | Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling |
| |
Jack O'Quin wrote: > Con Kolivas <kernel@kolivas.org> writes: > > >>Here's fresh results on more stressed hardware (on ext3) with >>2.6.11-rc1-mm2 (which by the way has SCHED_ISO v2 included). The load >>hovering at 50% spikes at times close to 70 which tests the behaviour >>under iso throttling. > > > What version of JACK are you running (`jackd --version')? > > You're still getting zero Delay Max. That is an important measure.
Ok updated jackd
Here's an updated set of runs. Not very impressive even with SCHED_FIFO, but the same from both policies.
==> jack_test4-2.6.11-rc1-mm2-fifo.log <== Number of runs . . . . . . . :( 1) ********************************************* Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 404 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 261254 usecs Cycle Maximum . . . . . . . . : 2701 usecs Average DSP Load. . . . . . . : 52.4 % Average CPU System Load . . . : 5.1 % Average CPU User Load . . . . : 18.1 % 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 . . . : 1699.3 /sec Average Context-Switch Rate . : 19018.9 /sec ********************************************* Delta Maximum . . . . . . . . : 0.00000 *********************************************
==> jack_test4-2.6.11-rc1-mm2-iso.log <== Number of runs . . . . . . . :( 1) ********************************************* Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 408 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 269804 usecs Cycle Maximum . . . . . . . . : 2449 usecs Average DSP Load. . . . . . . : 52.6 % Average CPU System Load . . . : 5.0 % Average CPU User Load . . . . : 17.8 % Average CPU Nice Load . . . . : 0.0 % Average CPU I/O Wait Load . . : 0.1 % Average CPU IRQ Load . . . . : 0.0 % Average CPU Soft-IRQ Load . . : 0.0 % Average Interrupt Rate . . . : 1699.2 /sec Average Context-Switch Rate . : 19041.0 /sec ********************************************* Delta Maximum . . . . . . . . : 0.00000 *********************************************
I've updated the pretty graphs and removed the dud runs from here: http://ck.kolivas.org/patches/SCHED_ISO/iso2-benchmarks/
Con [unhandled content-type:application/pgp-signature] | |