From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752099Ab2A1Sno (ORCPT ); Sat, 28 Jan 2012 13:43:44 -0500 Received: from mx1.redhat.com ([209.132.183.28]:7509 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751502Ab2A1Snn (ORCPT ); Sat, 28 Jan 2012 13:43:43 -0500 From: Jiri Olsa To: rostedt@goodmis.org, fweisbec@gmail.com, mingo@redhat.com, paulus@samba.org, acme@ghostprotocols.net, a.p.zijlstra@chello.nl Cc: linux-kernel@vger.kernel.org, aarapov@redhat.com Subject: [PATCHv7 0/7] ftrace, perf: Adding support to use function trace Date: Sat, 28 Jan 2012 19:43:22 +0100 Message-Id: <1327776209-4883-1-git-send-email-jolsa@redhat.com> In-Reply-To: <1326912275-26405-1-git-send-email-jolsa@redhat.com> References: <1326912275-26405-1-git-send-email-jolsa@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org hi, here's another version of perf support for function trace with filter. attached patches: 1/7 ftrace: Change filter/notrace set functions to return exit code 2/7 ftrace: Add enable/disable ftrace_ops control interface 3/7 ftrace, perf: Add open/close tracepoint perf registration actions 4/7 ftrace, perf: Add add/del tracepoint perf registration actions 5/7 ftrace, perf: Add support to use function tracepoint in perf 6/7 ftrace, perf: Distinguish ftrace function event field type 7/7 ftrace, perf: Add filter support for function trace event v7 changes: 2/7 - using int instead of atomic_t for ftrace_ops::disable - using this_cpu_ptr to touch ftrace_ops::disable - renamed ftrace_ops:disable API void ftrace_function_local_enable(struct ftrace_ops *ops) void ftrace_function_local_disable(struct ftrace_ops *ops) int ftrace_function_local_disabled(struct ftrace_ops *ops) v6 changes: 2/7 - added comments to FTRACE_OPS_FL_* bits enum 5/7 - added more info to the change log regarding ftrace_ops enable/disable 7/7 - rebased to the latest filter changes v5 changes: 7/7 - fixed to properly support ',' in filter expressions v4 changes: 2/7 - FL_GLOBAL_CONTROL changed to FL_GLOBAL_CONTROL_MASK - changed WARN_ON_ONCE() to include the !preempt_count() - changed this_cpu_ptr to per_cpu_ptr ommited Fix possible NULL dereferencing in __ftrace_hash_rec_update (2/8 in v3) v3 changes: 3/8 - renamed __add/remove_ftrace_ops - fixed preemtp_enable/recursion_clear order in ftrace_ops_control_func - renamed/commented API functions - enable/disable_ftrace_function ommited graph tracer workarounf patch 10/10 v2 changes: 01/10 - keeping the old fix instead of adding hash_has_contents func I'll send separating patchset for this 02/10 - using different way to avoid the issue (3/9 in v1) 03/10 - using the way proposed by Steven for controling ftrace_ops (4/9 in v1) 06/10 - added check ensuring the ftrace:function event could be used by root only (7/9 in v1) 08/10 - added more description (8/9 in v1) 09/10 - changed '&&' operator to '||' which seems more suitable in this case (9/9 in v1) thanks, jirka --- include/linux/ftrace.h | 70 ++++++++++++- include/linux/ftrace_event.h | 9 +- include/linux/perf_event.h | 3 + kernel/trace/ftrace.c | 132 ++++++++++++++++++++-- kernel/trace/trace.h | 11 ++- kernel/trace/trace_event_perf.c | 212 +++++++++++++++++++++++++++++------- kernel/trace/trace_events.c | 12 ++- kernel/trace/trace_events_filter.c | 172 +++++++++++++++++++++++++++-- kernel/trace/trace_export.c | 53 ++++++++- kernel/trace/trace_kprobe.c | 8 +- kernel/trace/trace_syscalls.c | 18 +++- 11 files changed, 616 insertions(+), 84 deletions(-)