From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753383AbZEZCFE (ORCPT ); Mon, 25 May 2009 22:05:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752589AbZEZCEx (ORCPT ); Mon, 25 May 2009 22:04:53 -0400 Received: from mail-ew0-f176.google.com ([209.85.219.176]:34158 "EHLO mail-ew0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752463AbZEZCEx (ORCPT ); Mon, 25 May 2009 22:04:53 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:date:message-id:x-mailer; b=MfkiHAy0JauJ301jZBV0b7raAcz08Y/LNdn/Git1ckMpLzpOZRsR4Yx06BrS4AH9Ii 9RNKFrDPoaWVhYBeWGMCefXK1n6rHfLwbs2xtXIhV/nrbwSGAfNZkdHuejjq6LtyKgAV NWOS0GA2fgs4DwHdQk8Q8Ut1AsGDodS9MyxLQ= From: Frederic Weisbecker To: Ingo Molnar Cc: LKML , Frederic Weisbecker , Lai Jiangshan , Steven Rostedt , Li Zefan , Pekka Enberg , Zhaolei , Tom Zanussi Subject: [PATCH 0/5] tracing/core: various fixes Date: Tue, 26 May 2009 04:04:45 +0200 Message-Id: <1243303490-8019-1-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.6.2.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, Steven, I've gathered various tracing fixes that were posted recently. Note: the commit b11c53e12f94a46b50bccc7a1a953d7ca1d54a31 (ftrace: Add task_comm support for trace_event) looks good to me. This v3 solves the two following unhandled dependencies in v1: ENABLE_EVENT_TRACING -> CONTEXT_SWITCH_TRACER EVENT_TRACING -> CONTEXT_SWITCH_TRACER The latter is tricky because CONTEXT_SWITCH_TRACER depends on CONFIG_FTRACE (the tracers menu) from which EVENT_TRACING is excluded. A build error can then occur if something selects CONFIG_TRACING elsewhere. The fix written by Zhaolei follows the {ENABLE_}EVENT_TRACING view: we now have CONTEXT_SWITCH_TRACER and ENABLE_CONTEXT_SWITCH_TRACER. The former is used by EVENT_TRACING to record cmdlines. The latter selects CONTEXT_SWITCH_TRACER plus CONFIG_TRACING. To sum up, ENABLE_CONTEXT_SWITCH_TRACER acts only as a "relay". It looks good to me, tell me and Zhaolei if you have doubts about it. Thanks. The following changes since commit 5537937696c55530447c20aa27daccb8d0d29b33: Ming Lei (1): ftrace: fix check for return value of register_module_notifier in event_trace_init are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git tracing/core Lai Jiangshan (1): tracing: add trace_event_read_lock() Li Zefan (1): tracing/events: change the type of __str_loc_item to unsigned short Pekka Enberg (1): kmemtrace: fix kernel parameter documentation Zhaolei (2): ftrace: Add task_comm support for trace_event ftrace: clean up of using ftrace_event_enable_disable() Documentation/kernel-parameters.txt | 10 -------- include/trace/ftrace.h | 2 +- kernel/trace/Kconfig | 9 +++++- kernel/trace/trace.c | 8 ++++++ kernel/trace/trace_events.c | 42 +++++++++++++--------------------- kernel/trace/trace_output.c | 25 +++++++++++++++----- kernel/trace/trace_output.h | 2 + 7 files changed, 52 insertions(+), 46 deletions(-)