Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753760Ab0K2LxE (ORCPT ); Mon, 29 Nov 2010 06:53:04 -0500 Received: from canuck.infradead.org ([134.117.69.58]:35879 "EHLO canuck.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753489Ab0K2LxD convert rfc822-to-8bit (ORCPT ); Mon, 29 Nov 2010 06:53:03 -0500 Subject: Re: [PATCH v4] sched: automated per session task groups From: Peter Zijlstra To: Ingo Molnar Cc: Linus Torvalds , Mike Galbraith , Oleg Nesterov , LKML , Paul Turner In-Reply-To: <20101128201851.GA20555@elte.hu> References: <20101121133744.GA10765@elte.hu> <1290700829.4759.16.camel@maggy.simson.net> <1290954299.30515.15.camel@marge.simson.net> <20101128201851.GA20555@elte.hu> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Mon, 29 Nov 2010 12:53:13 +0100 Message-ID: <1291031593.32004.19.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.30.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1660 Lines: 33 On Sun, 2010-11-28 at 21:18 +0100, Ingo Molnar wrote: > * Linus Torvalds wrote: > > > On Sun, Nov 28, 2010 at 6:24 AM, Mike Galbraith wrote: > > > > > > Something else is seriously wrong though. 36.1 with attached (plus > > > sched, cgroup: Fixup broken cgroup movement) works a treat, whereas > > > 37.git and tip with fixlet below both suck rocks. With a make -j40 > > > running, wakeup-latency is showing latencies of >100ms, amarok skips, > > > mouse lurches badly.. generally horrid. Something went south. > > > > Can you test -rc3? Is that still ok? And are you perhaps using > > Nouveau? There's a report of some graphics (?) regression since -rc3 > > about bad desktop performance: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=23912 > > > > but it doesn't have any more information yet (so if -rc3 _is_ good for > > you, and you can add anything to that report, it would be good. The > > original reporter is hopefully bisecting it now) > > Mike, the last pure -rc3 -tip commit is 92c883adf03b - you could try to check that > out too: it has most of the current sched/core commits, but has none of the post-rc3 > DRM changes. Well we totally re-wrote the cgroup load-balancer in -tip. The thing currently in -linus is a utter crap because its very strongly serialized across all cores (some people spend like 25% of their time in there). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/