Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 16 Feb 2002 05:10:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 16 Feb 2002 05:10:34 -0500 Received: from dsl-213-023-039-219.arcor-ip.net ([213.23.39.219]:45965 "EHLO starship.berlin") by vger.kernel.org with ESMTP id ; Sat, 16 Feb 2002 05:10:24 -0500 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Andrew Morton , Marcelo Tosatti Subject: Re: [patch] get_request starvation fix Date: Sat, 16 Feb 2002 11:13:45 +0100 X-Mailer: KMail [version 1.3.2] Cc: Alan Cox , lkml In-Reply-To: <3C69A196.B7325DC2@zip.com.au> <3C6E0B09.30983B1A@zip.com.au> In-Reply-To: <3C6E0B09.30983B1A@zip.com.au> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On February 16, 2002 08:32 am, Andrew Morton wrote: > However, contrary to my earlier guess, the request batching does > make a measurable difference. Changing the code so that we wake up > a sleeper as soon as any request is freed costs maybe 30% > on `dbench 64'. Is this consistent with results on other IO benchmarks? -- Daniel - 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/