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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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