From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932175AbVHRKse (ORCPT ); Thu, 18 Aug 2005 06:48:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932176AbVHRKse (ORCPT ); Thu, 18 Aug 2005 06:48:34 -0400 Received: from dns.toxicfilms.tv ([150.254.220.184]:51941 "EHLO dns.toxicfilms.tv") by vger.kernel.org with ESMTP id S932175AbVHRKse (ORCPT ); Thu, 18 Aug 2005 06:48:34 -0400 X-QSS-TOXIC-Mail-From: solt2@dns.toxicfilms.tv via dns X-QSS-TOXIC: 1.25st (Clear:RC:1(213.238.97.46):. Processed in 0.102501 secs Process 3387) Date: Thu, 18 Aug 2005 12:48:35 +0200 From: Maciej Soltysiak Reply-To: Maciej Soltysiak X-Priority: 3 (Normal) Message-ID: <761879244.20050818124835@dns.toxicfilms.tv> To: lkml Subject: Re: sched_yield() makes OpenLDAP slow In-Reply-To: <200508181047.26008.kernel@kolivas.org> References: <4303DB48.8010902@develer.com> <200508181047.26008.kernel@kolivas.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello Con, Thursday, August 18, 2005, 2:47:25 AM, you wrote: > sched_yield behaviour changed in 2.5 series more than 3 years ago and > applications that use this as a locking primitive should be updated. I remember open office had a problem with excessive use of sched_yield() during 2.5. I guess they changed it but I have not checked. Does anyone know ? Back then oo was having serious latency problems on 2.5 Regards, Maciej