From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751716AbdC2Bqm (ORCPT ); Tue, 28 Mar 2017 21:46:42 -0400 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:34585 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751563AbdC2Bqk (ORCPT ); Tue, 28 Mar 2017 21:46:40 -0400 X-Original-SENDERIP: 156.147.1.127 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 (v1) Date: Wed, 29 Mar 2017 10:46:21 +0900 Message-Id: <20170329014625.19346-1-namhyung@kernel.org> X-Mailer: git-send-email 2.12.0 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. The code is also available at 'ftrace/function-fork-v1' 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 | 47 ++++++++++- 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, 158 insertions(+), 6 deletions(-) create mode 100644 tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc -- 2.12.0