Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756636AbXKMPTv (ORCPT ); Tue, 13 Nov 2007 10:19:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754037AbXKMPTo (ORCPT ); Tue, 13 Nov 2007 10:19:44 -0500 Received: from mx1.redhat.com ([66.187.233.31]:38985 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754044AbXKMPTn (ORCPT ); Tue, 13 Nov 2007 10:19:43 -0500 To: "David J. Wilder" Cc: linux-kernel@vger.kernel.org Subject: Re: [RFC] Add markers into semaphore primitives References: <1194915156.913.4.camel@lc4eb748232119.ibm.com> From: fche@redhat.com (Frank Ch. Eigler) Date: Tue, 13 Nov 2007 10:17:30 -0500 In-Reply-To: <1194915156.913.4.camel@lc4eb748232119.ibm.com> (David J. Wilder's message of "Mon, 12 Nov 2007 16:52:36 -0800") Message-ID: User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 626 Lines: 17 "David J. Wilder" writes: > This patch adds several markers around semaphore primitives. Along > with a tracing application this patch can be useful for measuring > kernel semaphore usage and contention. [...] In order to evaluate the permanent placement of markers, more information will be needed, such as effects upon performance and code size. - FChE - 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/