Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265461AbUANLU2 (ORCPT ); Wed, 14 Jan 2004 06:20:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265568AbUANLU2 (ORCPT ); Wed, 14 Jan 2004 06:20:28 -0500 Received: from amsfep17-int.chello.nl ([213.46.243.16]:27156 "EHLO amsfep17-int.chello.nl") by vger.kernel.org with ESMTP id S265461AbUANLU1 (ORCPT ); Wed, 14 Jan 2004 06:20:27 -0500 Date: Wed, 14 Jan 2004 12:20:25 +0100 From: Haakon Riiser To: linux-kernel@vger.kernel.org Subject: Re: Busy-wait delay in qmail 1.03 after upgrading to Linux 2.6 Message-ID: <20040114112025.GA298@s.chello.no> Mail-Followup-To: linux-kernel@vger.kernel.org References: <20040113210923.GA955@s.chello.no> <20040113135152.3ed26b85.akpm@osdl.org> <20040113232624.GA302@s.chello.no> <20040113234611.GA558@s.chello.no> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 968 Lines: 24 [Giuliano Pochini] > On Wed, 14 Jan 2004, Haakon Riiser wrote: >> For example, another problem I encountered while >> upgrading to 2.6 was that disk intensive jobs, such as updating >> the slocate database, made ascpu report 100% CPU usage. I just >> ran top (procps 2.0.16) beside it, and it reported approximately >> 10% CPU usage, which is no more than 2.4 used. > > It makes sense, since HZ is 10 times higher in 2.6. Did you > recompile ascpu ? Check if ascpu assumes HZ is 100. In that > case it may overstimate the cpu time by a factor 10. No, I never thought of recompiling it, since top seems to work fine with the same binaries. But thanks for the tip; I'll certainly try it and see if it works! -- Haakon - 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/