From owner-freebsd-current@FreeBSD.ORG Wed Aug 11 14:48:05 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B326816A4CE; Wed, 11 Aug 2004 14:48:05 +0000 (GMT) Received: from mail.imp.ch (ns1.imp.ch [157.161.1.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3575843D2F; Wed, 11 Aug 2004 14:48:04 +0000 (GMT) (envelope-from mb@imp.ch) Received: from cvs.imp.ch (cvs.imp.ch [157.161.4.9]) by mail.imp.ch (8.12.9p2/8.12.3) with ESMTP id i7BElm1m071212; Wed, 11 Aug 2004 16:47:49 +0200 (CEST) (envelope-from Martin.Blapp@imp.ch) Date: Wed, 11 Aug 2004 16:47:48 +0200 (CEST) From: Martin Blapp To: freebsd-current@freebsd.org Message-ID: <20040811164404.X31181@cvs.imp.ch> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Checksum: 67dd6041f38610457d0addb2c94ef8ab X-Virus-Status: No, scantime="0.0022 seconds" X-Spam-Level: X-Spam-Status: No, hits=-4.9 required=4 scantime="10.5778 seconds" tests=BAYES_00 X-Scanned-By: MIMEDefang 2.44 Subject: SCHEDULE and high load situations X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Aug 2004 14:48:05 -0000 Hi all, During load tests with both SCHED4BSD and SCHEDULE I found that the latest SCHEDULE version cannot have a load over 2-3. I stress tested the server really a lot, but about 500 processes did sleep and did not got scheduled and only 2 of 500 were run and got about 50% of CPU time. Is this a known problem ? Martin Blapp, ------------------------------------------------------------------ ImproWare AG, UNIXSP & ISP, Zurlindenstrasse 29, 4133 Pratteln, CH Phone: +41 61 826 93 00 Fax: +41 61 826 93 01 PGP: PGP Fingerprint: B434 53FC C87C FE7B 0A18 B84C 8686 EF22 D300 551E ------------------------------------------------------------------