Messages in this thread | | | Date | Wed, 8 Sep 2010 16:47:08 +0200 | From | Jan Blunck <> | Subject | Re: [RFC 3/4] Disable scheduler tick when we are running SCHED_FIFO tasks |
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On Wed, Sep 08, Andi Kleen wrote:
> Jan Blunck <jblunck@suse.de> 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@linux.intel.com -- Speaking for myself only.
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