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Date: Sun, 15 Apr 2007 11:16:19 -0400 From: Gene Heskett <gene.heskett@...izon.net> To: "Pekka Enberg" <penberg@...helsinki.fi> Cc: "hui Bill Huey" <billh@...ppy.monkey.org>, "Ingo Molnar" <mingo@...e.hu>, "Con Kolivas" <kernel@...ivas.org>, "ck list" <ck@....kolivas.org>, "Peter Williams" <pwil3058@...pond.net.au>, linux-kernel@...r.kernel.org, "Linus Torvalds" <torvalds@...ux-foundation.org>, "Andrew Morton" <akpm@...ux-foundation.org>, "Nick Piggin" <npiggin@...e.de>, "Mike Galbraith" <efault@....de>, "Arjan van de Ven" <arjan@...radead.org>, "Thomas Gleixner" <tglx@...utronix.de> Subject: Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS] On Sunday 15 April 2007, Pekka Enberg wrote: >On 4/15/07, hui Bill Huey <billh@...ppy.monkey.org> wrote: >> The perception here is that there is that there is this expectation that >> sections of the Linux kernel are intentionally "churn squated" to prevent >> any other ideas from creeping in other than of the owner of that subsytem > >Strangely enough, my perception is that Ingo is simply trying to >address the issues Mike's testing discovered in RDSL and SD. It's not >surprising Ingo made it a separate patch set as Con has repeatedly >stated that the "problems" are in fact by design and won't be fixed. I won't get into the middle of this just yet, not having decided which dog I should bet on yet. I've been running 2.6.21-rc6 + Con's 0.40 patch for about 24 hours, its been generally usable, but gzip still causes lots of 5 to 10+ second lags when its running. I'm coming to the conclusion that gzip simply doesn't play well with others... Amazing to me, the cpu its using stays generally below 80%, and often below 60%, even while the kmail composer has a full sentence in its buffer that it still hasn't shown me when I switch to the htop screen to check, and back to the kmail screen to see if its updated yet. The screen switch doesn't seem to lag so I don't think renicing x would be helpfull. Those are the obvious lags, and I'll build & reboot to the CFS patch at some point this morning (whats left of it that is :). And report in due time of course -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) knot in cables caused data stream to become twisted and kinked - 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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