From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932684AbZHVE6p (ORCPT ); Sat, 22 Aug 2009 00:58:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932560AbZHVE6o (ORCPT ); Sat, 22 Aug 2009 00:58:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:10596 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932538AbZHVE6n (ORCPT ); Sat, 22 Aug 2009 00:58:43 -0400 From: Josh Stone To: linux-kernel@vger.kernel.org Subject: [PATCH v3 0/4] tracing: tweaks for generic syscall events Date: Fri, 21 Aug 2009 21:58:41 -0700 Message-Id: <1250917125-6174-1-git-send-email-jistone@redhat.com> In-Reply-To: <1250795373-32363-1-git-send-email-jistone@redhat.com> References: <1250795373-32363-1-git-send-email-jistone@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series moves the callbacks for the syscall tracepoints to the definition site, and adds generic TRACE_EVENTs which capture all syscall arguments. New in v3: - Give the thread flag a more generic name: TIF_SYSCALL_TRACEPOINT. - Move the regfuncs to arch-specific files, per Jason's suggestion. - Change _WITH_CALLBACK to just _FN, per Ingo's suggestion. Sample trace output: sendmail-974 [000] 55665.464492: sys_enter: NR 14 (1, 7fff60f3af40, 7fff60f3aec0, 8, 0, 7fb1b6a05161) sendmail-974 [000] 55665.464496: sys_exit: NR 14 = 0 sendmail-974 [000] 55665.464507: sys_enter: NR 23 (5, 7fff60f3b0d0, 0, 0, 7fff60f3b150, 7fff60f3ef01) sshd-978 [000] 55667.845359: sys_exit: NR 23 = 1 sshd-978 [000] 55667.845373: sys_enter: NR 14 (0, 7fffc645ce90, 7fffc645cf10, 8, 0, 101010101010101) sshd-978 [000] 55667.845381: sys_exit: NR 14 = 0 sshd-978 [000] 55667.845383: sys_enter: NR 14 (2, 7fffc645cf10, 0, 8, 0, 101010101010101) sshd-978 [000] 55667.845386: sys_exit: NR 14 = 0 sshd-978 [000] 55667.845395: sys_enter: NR 0 (3, 7fffc6458f80, 4000, 1, 0, 0) sshd-978 [000] 55667.845478: sys_exit: NR 0 = 48 --- arch/s390/include/asm/thread_info.h | 4 +- arch/s390/kernel/entry.S | 2 +- arch/s390/kernel/entry64.S | 2 +- arch/s390/kernel/ptrace.c | 51 +++++++++++++++++++++++--- arch/x86/include/asm/thread_info.h | 13 ++++--- arch/x86/kernel/ptrace.c | 53 +++++++++++++++++++++++---- include/linux/tracepoint.h | 46 +++++++++-------------- include/trace/define_trace.h | 5 +++ include/trace/events/syscalls.h | 68 +++++++++++++++++++++++++++++++++++ include/trace/ftrace.h | 9 +++++ include/trace/syscall.h | 17 --------- kernel/trace/trace_syscalls.c | 17 +++++---- kernel/tracepoint.c | 48 ++++-------------------- 13 files changed, 218 insertions(+), 117 deletions(-)