Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932194Ab2KBHl2 (ORCPT ); Fri, 2 Nov 2012 03:41:28 -0400 Received: from mx2.parallels.com ([64.131.90.16]:45822 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752854Ab2KBHl1 (ORCPT ); Fri, 2 Nov 2012 03:41:27 -0400 Message-ID: <50937918.7080302@parallels.com> Date: Fri, 2 Nov 2012 11:41:12 +0400 From: Glauber Costa User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:16.0) Gecko/20121016 Thunderbird/16.0.1 MIME-Version: 1.0 To: Andrew Morton CC: , , , Johannes Weiner , Tejun Heo , Michal Hocko , Christoph Lameter , Pekka Enberg , David Rientjes , Greg Thelen Subject: Re: [PATCH v6 00/29] kmem controller for memcg. References: <1351771665-11076-1-git-send-email-glommer@parallels.com> <20121101170454.b7713bce.akpm@linux-foundation.org> In-Reply-To: <20121101170454.b7713bce.akpm@linux-foundation.org> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1485 Lines: 39 On 11/02/2012 04:04 AM, Andrew Morton wrote: > On Thu, 1 Nov 2012 16:07:16 +0400 > Glauber Costa wrote: > >> Hi, >> >> This work introduces the kernel memory controller for memcg. Unlike previous >> submissions, this includes the whole controller, comprised of slab and stack >> memory. > > I'm in the middle of (re)reading all this. Meanwhile I'll push it all > out to http://ozlabs.org/~akpm/mmots/ for the crazier testers. > > One thing: > >> Numbers can be found at https://lkml.org/lkml/2012/9/13/239 > > You claim in the above that the fork worload is 'slab intensive". Or > at least, you seem to - it's a bit fuzzy. > > But how slab intensive is it, really? > > What is extremely slab intensive is networking. The networking guys > are very sensitive to slab performance. If this hasn't already been > done, could you please determine what impact this has upon networking? > I expect Eric Dumazet, Dave Miller and Tom Herbert could suggest > testing approaches. > I can test it, but unfortunately I am unlikely to get to prepare a good environment before Barcelona. I know, however, that Greg Thelen was testing netperf in his setup. Greg, do you have any publishable numbers you could share? -- 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/