Re: ~5x greater CPU load for a networked application when using2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4

From: Jan Engelhardt
Date: Fri Feb 24 2006 - 03:01:17 EST


>> Would it make more sense to compare 2.6.15 and 2.6.15-rt17, as opposed
>> to 2.6.12-1.1390_FC4 and 2.6.15-rt17? Seems like the closer the two
>> kernels are, the easier it will be to isolate the differences.
>
>good point. I'd expect there to be similar 'top' output, but still worth
>doing for comparable results.
>
I have seen this before too (with earlier -rt's), when MPlayer jumped from
1.8% to about 10%. Maybe because it's using the rtc at 1024 Hz?


Jan Engelhardt
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