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SubjectRe: [RFC] Introduce greedy hrtimer walk on idle
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On Fri, Sep 23, 2011 at 1:03 PM, Peter Zijlstra <peterz@infradead.org> wrote:
> On Fri, 2011-09-23 at 11:54 -0700, Venkatesh Pallipadi wrote:
>> Comments?
>
> Looks to be a possible IRQ latency issue as well, that can be a lot of
> timers to run..
>

We could add some rate limit on how many timers we service this way
and/or interrupt/disable-enable in the inner loop.
But, this would be a problem with current hrtimer as well. When
sched_tick timer is not around, we may end up servicing lot of timers
depending on number of them and slack. No?


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