Jack O'Quin wrote: [snip lots of valid points]
suggest some things to try. First, make sure the JACK tmp directory is mounted on a tmpfs[1]. Then, try the test with ext2, instead of
Looks like the tmpfs is probably the biggest problem. Here's SCHED_ISO with just the /tmp mounted on tmpfs change - running on a complete desktop environment with a 2nd exported X seession and my wife browsing the net and emailing at the same time.
************* SUMMARY RESULT **************** Total seconds ran . . . . . . : 300 Number of clients . . . . . . : 14 Ports per client . . . . . . : 4 Frames per buffer . . . . . . : 64 Number of runs . . . . . . . :( 1) ********************************************* Timeout Count . . . . . . . . :( 0) XRUN Count . . . . . . . . . : 0 Delay Count (>spare time) . . : 0 Delay Count (>1000 usecs) . . : 0 Delay Maximum . . . . . . . . : 72 usecs Cycle Maximum . . . . . . . . : 1108 usecs Average DSP Load. . . . . . . : 50.1 % Average CPU System Load . . . : 10.7 % Average CPU User Load . . . . : 18.3 % 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 . . . : 1693.1 /sec Average Context-Switch Rate . : 18852.7 /sec ********************************************* Delta Maximum . . . . . . . . : 0.00000 ********************************************* Warning: empty y2 range [0:0], adjusting to [0:1]
All invalid runs removed and just this one posted here: http://ck.kolivas.org/patches/SCHED_ISO/iso2-benchmarks/
How's that look?
Cheers, Con
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