lkml.org 
[lkml]   [2005]   [Jan]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [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]
\
 
 \ /
  Last update: 2005-03-22 14:09    [W:0.661 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site