Re: [PATCH] Add support for deferrable timers (respun-Mar28)

Andi Kleen
2007-03-29T11:41:35Z

> ondemand is the biggest offender and the patch below reduces the number of
> interrupts by 50% or more (depending on HZ) on different test systems here.

Cool!

> Yes. There are quite a few other timers inside kernel that can be
> migrated. I will use timer_stats and track others and send in the patches
> soon.

Longer term it might make sense to even expose this as a option to user space.
Maybe as a new timer in setitimer()? This might safe power with "wiggling desktop
applets" too.

-Andi