Re: [PATCH]sched: Isochronous class v2 for unprivileged soft rt scheduling

From: Con Kolivas
Date: Fri Jan 21 2005 - 19:22:22 EST


Rui Nuno Capela wrote:
OK. Here goes my fresh and newly jack_test4.1 test suite. It might be
still rough, as usual ;)

Thanks

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.


==> jack_test4-2.6.11-rc1-mm2-fifo.log <==
Number of runs . . . . . . . :( 1)
*********************************************
Timeout Count . . . . . . . . :( 0)
XRUN Count . . . . . . . . . : 41
Delay Count (>spare time) . . : 0
Delay Count (>1000 usecs) . . : 0
Delay Maximum . . . . . . . . : 0 usecs
Cycle Maximum . . . . . . . . : 10968 usecs
Average DSP Load. . . . . . . : 44.3 %
Average CPU System Load . . . : 4.9 %
Average CPU User Load . . . . : 17.1 %
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 . . . : 1689.9 /sec
Average Context-Switch Rate . : 19052.6 /sec
*********************************************
Delta Maximum . . . . . . . . : 0.00000
*********************************************

==> jack_test4-2.6.11-rc1-mm2-iso.log <==
Number of runs . . . . . . . :( 1)
*********************************************
Timeout Count . . . . . . . . :( 0)
XRUN Count . . . . . . . . . : 2
Delay Count (>spare time) . . : 0
Delay Count (>1000 usecs) . . : 0
Delay Maximum . . . . . . . . : 0 usecs
Cycle Maximum . . . . . . . . : 1282 usecs
Average DSP Load. . . . . . . : 50.5 %
Average CPU System Load . . . : 11.2 %
Average CPU User Load . . . . : 17.6 %
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 . . . : 1688.8 /sec
Average Context-Switch Rate . : 18985.1 /sec
*********************************************
Delta Maximum . . . . . . . . : 0.00000
*********************************************

==> jack_test4-2.6.11-rc1-mm2-normal.log <==
Number of runs . . . . . . . :( 1)
*********************************************
Timeout Count . . . . . . . . :( 0)
XRUN Count . . . . . . . . . : 325
Delay Count (>spare time) . . : 0
Delay Count (>1000 usecs) . . : 0
Delay Maximum . . . . . . . . : 0 usecs
Cycle Maximum . . . . . . . . : 4726 usecs
Average DSP Load. . . . . . . : 50.0 %
Average CPU System Load . . . : 5.1 %
Average CPU User Load . . . . : 18.7 %
Average CPU Nice Load . . . . : 0.0 %
Average CPU I/O Wait Load . . : 0.0 %
Average CPU IRQ Load . . . . : 0.1 %
Average CPU Soft-IRQ Load . . : 0.0 %
Average Interrupt Rate . . . : 1704.5 /sec
Average Context-Switch Rate . : 18875.2 /sec
*********************************************
Delta Maximum . . . . . . . . : 0.00000
*********************************************

Full data and pretty pictures:
http://ck.kolivas.org/patches/SCHED_ISO/iso2-benchmarks/

Cheers,
Con

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