From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932625AbdDQCpO (ORCPT ); Sun, 16 Apr 2017 22:45:14 -0400 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:41707 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932384AbdDQCoe (ORCPT ); Sun, 16 Apr 2017 22:44:34 -0400 X-Original-SENDERIP: 156.147.1.125 X-Original-MAILFROM: namhyung@kernel.org X-Original-SENDERIP: 10.177.227.17 X-Original-MAILFROM: namhyung@kernel.org From: Namhyung Kim To: Steven Rostedt Cc: Ingo Molnar , Masami Hiramatsu , LKML , kernel-team@lge.com Subject: [PATCH 0/4] ftrace: Add 'function-fork' trace option (v2) Date: Mon, 17 Apr 2017 11:44:26 +0900 Message-Id: <20170417024430.21194-1-namhyung@kernel.org> X-Mailer: git-send-email 2.12.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, This patchset add 'function-fork' option to function tracer which makes pid filter to be inherited like 'event-fork' does. During the test, I found a bug of pid filter on an instance directory. The patch 1 fixes it and maybe it should go to the stable tree. The function-fork option is disabled by default as event-fork does, but we might consider changing the default since it seems to be more natural from an user's perspective IMHO. v2 changes) * use ftrace_clear_pids() (Steve) * add Ack from Masami The code is also available at 'ftrace/function-fork-v2' branch on git://git.kernel.org/pub/scm/linux/kernel/git/namhyung/linux-perf.git Thanks, Namhyung Namhyung Kim (4): ftrace: Fix function pid filter on instances ftrace: Add 'function-fork' trace option selftests: ftrace: Add -l/--logdir option selftests: ftrace: Add a testcase for function PID filter kernel/trace/ftrace.c | 46 ++++++++++ kernel/trace/trace.c | 6 +- kernel/trace/trace.h | 8 +- tools/testing/selftests/ftrace/ftracetest | 5 ++ .../ftrace/test.d/ftrace/func-filter-pid.tc | 98 ++++++++++++++++++++++ 5 files changed, 161 insertions(+), 2 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc -- 2.12.2