Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266920AbUFZCFl (ORCPT ); Fri, 25 Jun 2004 22:05:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266923AbUFZCFl (ORCPT ); Fri, 25 Jun 2004 22:05:41 -0400 Received: from mail012.syd.optusnet.com.au ([211.29.132.66]:52387 "EHLO mail012.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S266920AbUFZCFi (ORCPT ); Fri, 25 Jun 2004 22:05:38 -0400 Message-ID: <40DCD9EA.1030906@kolivas.org> Date: Sat, 26 Jun 2004 12:05:30 +1000 From: Con Kolivas User-Agent: Mozilla Thunderbird 0.7 (X11/20040615) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Michael Buesch Cc: Willy Tarreau , linux kernel mailing list Subject: Re: [PATCH] Staircase scheduler v7.4 References: <200406251840.46577.mbuesch@freenet.de> <200406252044.25843.mbuesch@freenet.de> <20040625190533.GI29808@alpha.home.local> <200406252148.37606.mbuesch@freenet.de> In-Reply-To: <200406252148.37606.mbuesch@freenet.de> X-Enigmail-Version: 0.84.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1548 Lines: 45 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Michael Buesch wrote: | On Friday 25 June 2004 21:05, you wrote: | |>>Hi Michael, |>> |>>On Fri, Jun 25, 2004 at 08:44:22PM +0200, Michael Buesch wrote: |>> |>> |>>>I don't know what the file wchan is good for, but here is |>>>it's output: |>>>mb@lfs:/proc/11000> cat wchan |>>>sys_wait4 |>> |>>I bet the process is waiting for a SIGCHLD from a previously forked |>>process. Con, would it be possible that under some circumstances, |>>a process does not receive a SIGCHLD anymore, eg if the child runs |>>shorter than a full timeslice or something like that ? In autoconf |>>scripts, there are lots of very short operations that might trigger |>>such unique cases. | But as the load grows, the system is usable as with load 0.0. | And it really should be usable with 76.0% nice. ;) No problem here. | This really high load is not correct. I think you're right about having no timeslice. It does appear that I fixed two things and introduced 2 more bugs. I'll fix it in the next couple of days. Con -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFA3NnqZUg7+tp6mRURAk7tAJ9bKHWsnnNOf9j0PGXKh23rvBAbPQCfWC+8 w+VCt4GhvaR/bL6s9+GjrOQ= =KIkQ -----END PGP SIGNATURE----- - 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/