Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759096AbZA2PyS (ORCPT ); Thu, 29 Jan 2009 10:54:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751940AbZA2PyH (ORCPT ); Thu, 29 Jan 2009 10:54:07 -0500 Received: from mx2.redhat.com ([66.187.237.31]:38704 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751118AbZA2PyF (ORCPT ); Thu, 29 Jan 2009 10:54:05 -0500 Date: Thu, 29 Jan 2009 10:53:42 -0500 From: "Frank Ch. Eigler" To: =?iso-8859-1?Q?Fr=E9d=E9ric?= Weisbecker Cc: Ingo Molnar , Roland McGrath , utrace-devel@redhat.com, "Kok, Auke" , Linux Kernel Mailing List , powertop ml , Arjan van de Ven , srostedt@redhat.com, Arnaldo Carvalho de Melo , Neil Horman , Ananth N Mavinakayanahalli Subject: Re: [PATCH] tracer for sys_open() - sreadahead Message-ID: <20090129155341.GB20679@redhat.com> References: <497F69A4.2070007@intel.com> <20090127224303.GB5850@nowhere> <20090127225048.GA4652@nowhere> <20090129140451.GM24391@elte.hu> <20090129143120.GS24391@elte.hu> <20090129150934.GF6512@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 928 Lines: 23 Hi - On Thu, Jan 29, 2009 at 04:34:46PM +0100, Fr?d?ric Weisbecker wrote: > 2009/1/29 Ingo Molnar : > [...] > >> > sure - how do the minimal bits/callbacks look like which enable syscall > >> > tracing? > I know you are talking about the only necessary bits from utrace to > have the syscalls tracing. But I can't answer you better than would > the utrace people. And actually I'm not sure the utrace bits for > syscall tracing can be isolated from the rest of its core. My understanding is that the parts of utrace that remain out-of-tree are relatively integrated, and just present the programmatic callback API to the already merged "tracehook" layer. - 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/