> Hi all, > > These are one of my latest consolidated results while using (my) > jack_test4.2 suite, against a couple of 2.6.12 kernels patched for > PREEMPT_RT, on my [email protected]/UP laptop. > > See anything funny? > > As it seems, the kernel latency performance is in some unfortunate > regression, and I'm experiencing this unsatisfactory behavior ever since > the latest RT-V0.7.50-xx patch series. > > ------------------------------ ------------- ------------- > RT-V0.7.51-11 RT-V0.7.49-01 > ------------------------------ ------------- ------------- > Total seconds ran . . . . . . : 900 900 > Number of clients . . . . . . : 14 14 > Ports per client . . . . . . : 4 4 > Frames per buffer . . . . . . : 64 64 > Number of runs . . . . . . . : 1 1 > ------------------------------ ------------- ------------- > Failure Rate . . . . . . . . : ( 0.0 ) ( 0.0) /hour > XRUN Rate . . . . . . . . . . : 373.3 0.0 /hour > Delay Rate (>spare time) . . : 220.0 0.0 /hour > Delay Rate (>1000 usecs) . . : 0.0 0.0 /hour > Delay Maximum . . . . . . . . : 7853 295 usecs > Cycle Maximum . . . . . . . . : 852 943 usecs > Average DSP Load. . . . . . . : 41.8 44.4 % > Average CPU System Load . . . : 6.8 16.3 % > Average CPU User Load . . . . : 28.8 30.1 % > Average CPU Nice Load . . . . : 0.0 0.0 % > Average CPU I/O Wait Load . . : 0.0 0.1 % > Average CPU IRQ Load . . . . : 0.0 0.0 % > Average CPU Soft-IRQ Load . . : 0.0 0.0 % > Average Interrupt Rate . . . : 1679.3 1680.4 /sec > Average Context-Switch Rate . : 12508.6 14463.2 /sec > ------------------------------ ------------- ------------- > > JFYI respective kernel configs are also attached. > Sorry, my last post failed on packing those configs away. Here it goes again, hopefully. Cheers. -- rncbc aka Rui Nuno Capela [email protected]
Attachment:
config-2.6.12-RT-V0.7.49-01.0.gz
Description: application/gzip-compressed
Attachment:
config-2.6.12-RT-V0.7.51-11.0.gz
Description: application/gzip-compressed
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- From: "Rui Nuno Capela" <[email protected]>
- realtime-preempt-2.6.12-final-V0.7.51-11 glitches
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