Re: [patch] Real-Time Preemption, -RT-2.6.10-rc2-mm2-V0.7.30-2

[Ingo Molnar]

* Ingo Molnar <mingo@xxxxxxx> wrote:

> 
> * Ingo Molnar <mingo@xxxxxxx> wrote:
> 
> > another test on the same system, this time completely idle:
> 
> ah ... used the jack_test.cc client instead of your new jack_test.cpp.

no big difference in the results though:

 ************* SUMMARY RESULT ****************
 Timeout Count . . . . . . . . :(    0)
 XRUN Count  . . . . . . . . . :     0
 Delay Count (>spare time) . . :     0
 Delay Count (>1000 usecs) . . :     0
 Delay Maximum . . . . . . . . :     0   usecs
 Cycle Maximum . . . . . . . . :   582   usecs
 Average DSP Load. . . . . . . :    30.7 %
 Average CPU System Load . . . :    22.1 %
 Average CPU User Load . . . . :     8.7 %
 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  . . . :  1676.5 /sec
 Average Context-Switch Rate . : 17020.5 /sec
 *********************************************

(i turned off some debugging options in the kernel, hence the small
latency improvement.)

	Ingo
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