Re: [RFC 3/4] Disable scheduler tick when we are runningSCHED_FIFO tasks

[Jan Blunck]

On Wed, Sep 08, Andi Kleen wrote:

> Jan Blunck <jblunck@xxxxxxx> writes:
> 
> > This patch is disabling the scheduler tick to go off when there is a task
> > with SCHED_FIFO policy running. Since these tasks are not timesliced anyway
> > we only care about timers, softirqs and such stuff just like when we disable
> > the tick during idle periods.
> 
> How would these tasks accounted for then? 
> 
> The CPU time accounting relies on the timer tick currently.
> 

Yes, that is a known issue.

Jan

> -Andi
> 
> -- 
> ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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