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

From: Andi Kleen
Date: Wed Sep 08 2010 - 09:25:21 EST


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.

-Andi

--
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/