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SubjectRe: Issue with SCHED_FIFO app
On 05/12/2010 09:16 PM, Xianghua Xiao wrote:

> I'm unsure if the newest "top" (or /proc/PID/stat) reports the correct
> cpu usage when CFS/BFS is used, as you mentioned it seems failed to do
> that. I will try to stress the system and see who fails first under
> same workload, maybe that's the only way to compare cpu usage between
> 2.6.18rt vs 2.6.33rt, for now.

If you turn on scheduler debugging, then /proc/sched_debug gives
accurate information using the scheduler clock (at least with CFS, not
sure about BFS).


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