Messages in this thread | | | Date | Fri, 23 Sep 2011 16:47:51 -0700 | Subject | Re: [RFC] Introduce greedy hrtimer walk on idle | From | Venki Pallipadi <> |
| |
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?
| |