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Open Source and information security mailing list archives
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Date: Sat, 23 Sep 2006 13:07:49 +0200 From: Pavel Machek <pavel@....cz> To: Ingo Molnar <mingo@...e.hu> Cc: Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>, John Stultz <johnstul@...ibm.com>, Arjan van de Ven <arjan@...radead.org> Subject: Re: 2.6.19 -mm merge plans 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 -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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