Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 19 Aug 2002 15:57:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 19 Aug 2002 15:57:33 -0400 Received: from dsl-213-023-038-214.arcor-ip.net ([213.23.38.214]:27012 "EHLO starship") by vger.kernel.org with ESMTP id ; Mon, 19 Aug 2002 15:57:33 -0400 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Mel , Scott Kaplan Subject: Re: [PATCH] rmap 14 Date: Mon, 19 Aug 2002 21:50:33 +0200 X-Mailer: KMail [version 1.3.2] Cc: Bill Huey , Rik van Riel , , References: In-Reply-To: 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 Content-Length: 938 Lines: 21 On Saturday 17 August 2002 01:02, Mel wrote: > On Fri, 16 Aug 2002, Scott Kaplan wrote: > The measure is the time when the script asked the module to read a page. > The page is read by echoing to a mapanon_read proc entry. It's looking > like it takes about 350 microseconds to enter the module and perform the > read. I don't call schedule although it is possible I get scheduled. The only > way to be sure would be to collect all timing information within the module > which is perfectly possible. The only trouble is that if the module collects, > only one test instance can run at a time. It sounds like you want to try the linux trace toolkit: http://www.opersys.com/LTT/ -- 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/