From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757520AbZFYB0v (ORCPT ); Wed, 24 Jun 2009 21:26:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754072AbZFYB0o (ORCPT ); Wed, 24 Jun 2009 21:26:44 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:56505 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753897AbZFYB0n (ORCPT ); Wed, 24 Jun 2009 21:26:43 -0400 Message-ID: <4A42D284.2080501@cn.fujitsu.com> Date: Thu, 25 Jun 2009 09:27:32 +0800 From: Li Zefan User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Jason Baron CC: linux-kernel@vger.kernel.org, fweisbec@gmail.com, mingo@elte.hu, laijs@cn.fujitsu.com, rostedt@goodmis.org, peterz@infradead.org, mathieu.desnoyers@polymtl.ca, jiayingz@google.com, mbligh@google.com, roland@redhat.com, fche@redhat.com Subject: Re: [PATCH 0/7] V2 add syscall tracepoints References: In-Reply-To: Content-Type: text/plain; charset=GB2312 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jason Baron wrote: > hi, > > The following is an implementation of Frederic's syscall tracer on top of > tracepoints. It adds the ability to toggle the entry/exit of each syscall > via the standard events/syscalls/syscall_blah/enable interface. The > implementation is done by adding 2 tracepoints. One on entry and one for exit. > > I've tried to address all of the comments from the last posting...updates include: > -2/7: make arch_init_ftrace_syscalls static, removed locking, make patch bi-sectable > -3/7: rename DECLARE_TRACE_REG as DECLARE_TRACE_WITH_CALLBACK > -4/7: make mutex and counter static > -7/7: add event tracing for syscalls that take no args > Each patch should have a different title.