Messages in this thread | | | Date | Sat, 23 Sep 2006 13:07:49 +0200 | From | Pavel Machek <> | Subject | Re: 2.6.19 -mm merge plans |
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Hi!
> > > would be nice to merge the -hrt queue that goes right ontop this > > > queue. Even if HIGH_RES_TIMERS is "default n" in the beginning. That > > > gives us high-res timers and dynticks which are both very important > > > features to certain classes of users/devices. > > > > dynticks give benefit of 0.3W, or 20minutes (IIRC) from 8hours on > > thinkpad x60... and they were around for way too long. (When baseline > > is hz=250, it is 0.5W from hz=1000 baseline). It would be cool to > > finally merge them. > > note that this is a new implementation of dynticks though, not Con's > older stuff which you probably used, right? But it's fairly low-impact
(Well, I cheated, and just measured difference between HZ=100 and HZ=250/1000. Dynticks should be even slightly better than that.) Pavel
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