From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757921AbXLFCwq (ORCPT ); Wed, 5 Dec 2007 21:52:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755690AbXLFCpd (ORCPT ); Wed, 5 Dec 2007 21:45:33 -0500 Received: from smtp.polymtl.ca ([132.207.4.11]:51494 "EHLO smtp.polymtl.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755563AbXLFCpc (ORCPT ); Wed, 5 Dec 2007 21:45:32 -0500 Message-Id: <20071206024438.257679926@polymtl.ca> References: <20071206024243.397994403@polymtl.ca> User-Agent: quilt/0.46-1 Date: Wed, 05 Dec 2007 21:43:07 -0500 From: Mathieu Desnoyers To: akpm@linux-foundation.org, Ingo Molnar , linux-kernel@vger.kernel.org Cc: Mathieu Desnoyers , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Subject: [patch-RFC 24/26] LTTng Linux Kernel Trace Thread Flag x86_64 Content-Disposition: inline; filename=lttng-kernel-trace-thread-flag-x86_64.patch X-Poly-FromMTA: (dijkstra.casi.polymtl.ca [132.207.72.10]) at Thu, 6 Dec 2007 02:44:40 +0000 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a thread flag to activate system-wide syscall tracing. Signed-off-by: Mathieu Desnoyers CC: Thomas Gleixner CC: Ingo Molnar CC: H. Peter Anvin --- include/asm-x86/thread_info_64.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) Index: linux-2.6-lttng/include/asm-x86/thread_info_64.h =================================================================== --- linux-2.6-lttng.orig/include/asm-x86/thread_info_64.h 2007-11-02 11:06:22.000000000 -0400 +++ linux-2.6-lttng/include/asm-x86/thread_info_64.h 2007-11-02 12:02:57.000000000 -0400 @@ -107,6 +107,7 @@ static inline struct thread_info *stack_ * Warning: layout of LSW is hardcoded in entry.S */ #define TIF_SYSCALL_TRACE 0 /* syscall trace active */ +#define TIF_KERNEL_TRACE 1 /* kernel trace active */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ #define TIF_SINGLESTEP 4 /* reenable singlestep on user return*/ @@ -125,6 +126,7 @@ static inline struct thread_info *stack_ #define TIF_FREEZE 23 /* is freezing for suspend */ #define _TIF_SYSCALL_TRACE (1<