Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752580AbZCIOmT (ORCPT ); Mon, 9 Mar 2009 10:42:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751422AbZCIOmK (ORCPT ); Mon, 9 Mar 2009 10:42:10 -0400 Received: from bombadil.infradead.org ([18.85.46.34]:59682 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751406AbZCIOmJ (ORCPT ); Mon, 9 Mar 2009 10:42:09 -0400 Subject: Re: [patch] Re: scheduler oddity [bug?] From: Peter Zijlstra To: Mike Galbraith Cc: Ingo Molnar , Balazs Scheidler , linux-kernel@vger.kernel.org, Willy Tarreau In-Reply-To: <1236607890.6168.7.camel@marge.simson.net> References: <1236448069.16726.21.camel@bzorp.balabit> <1236505323.6281.57.camel@marge.simson.net> <1236506309.6972.8.camel@marge.simson.net> <20090308153956.GB19658@elte.hu> <1236529200.7110.16.camel@marge.simson.net> <20090308175255.GA22802@elte.hu> <1236585731.6118.24.camel@marge.simson.net> <20090309080714.GB24904@elte.hu> <1236596664.8389.331.camel@laptop> <1236604563.6027.8.camel@marge.simson.net> <1236605870.6515.5.camel@marge.simson.net> <1236606389.8389.518.camel@laptop> <1236607083.5980.8.camel@marge.simson.net> <1236607890.6168.7.camel@marge.simson.net> Content-Type: text/plain Date: Mon, 09 Mar 2009 15:41:51 +0100 Message-Id: <1236609711.8389.583.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.25.92 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1858 Lines: 41 On Mon, 2009-03-09 at 15:11 +0100, Mike Galbraith wrote: > > Yes 2* worked fine. Mysql+oltp was my worry spot, being a very affinity > > sensitive little , but my patchlet didn't cause any trouble, so > > this one shouldn't either. I'll do some re-test in any case, and squeak > > should anything turn up. > > Squeak! Didn't even get to mysql+oltp. > > marge:..local/tmp # netperf -t UDP_STREAM -l 60 -H 127.0.0.1 -- -P 15888,12384 -s 32768 -S 32768 -m 4096 > UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 15888 AF_INET to 127.0.0.1 (127.0.0.1) port 12384 AF_INET > Socket Message Elapsed Messages > Size Size Time Okay Errors Throughput > bytes bytes secs # # 10^6bits/sec > > 65536 4096 60.00 5161103 0 2818.65 > 65536 60.00 5149666 2812.40 > > 6188 root 20 0 1040 544 324 R 100 0.0 0:31.49 0 netperf > 6189 root 20 0 1044 260 164 R 48 0.0 0:15.35 3 netserver > > Hurt, pain, ouch, vs... > > marge:..local/tmp # netperf -t UDP_STREAM -l 60 -H 127.0.0.1 -T 0,0 -- -P 15888,12384 -s 32768 -S 32768 -m 4096 > UDP UNIDIRECTIONAL SEND TEST from 0.0.0.0 (0.0.0.0) port 15888 AF_INET to 127.0.0.1 (127.0.0.1) port 12384 AF_INET : cpu bind > Socket Message Elapsed Messages > Size Size Time Okay Errors Throughput > bytes bytes secs # # 10^6bits/sec > > 65536 4096 60.00 8452028 0 4615.93 > 65536 60.00 8442945 4610.97 > > Drat. Bugger, so back to the drawing board it is... -- 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/