From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932336AbbBZLfO (ORCPT ); Thu, 26 Feb 2015 06:35:14 -0500 Received: from terminus.zytor.com ([198.137.202.10]:52270 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932083AbbBZLfJ (ORCPT ); Thu, 26 Feb 2015 06:35:09 -0500 Date: Thu, 26 Feb 2015 03:34:51 -0800 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: tglx@linutronix.de, namhyung@kernel.org, jolsa@redhat.com, bp@suse.de, adrian.hunter@intel.com, dzickus@redhat.com, mingo@kernel.org, acme@redhat.com, eranian@google.com, hpa@zytor.com, dsahern@gmail.com, linux-kernel@vger.kernel.org, fweisbec@gmail.com Reply-To: eranian@google.com, acme@redhat.com, hpa@zytor.com, fweisbec@gmail.com, linux-kernel@vger.kernel.org, dsahern@gmail.com, tglx@linutronix.de, namhyung@kernel.org, jolsa@redhat.com, bp@suse.de, adrian.hunter@intel.com, mingo@kernel.org, dzickus@redhat.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Introduce dump_stack signal helper Git-Commit-ID: 07c1a0dadfce976e9877c55ce5212dd14753c91d X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 07c1a0dadfce976e9877c55ce5212dd14753c91d Gitweb: http://git.kernel.org/tip/07c1a0dadfce976e9877c55ce5212dd14753c91d Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 24 Feb 2015 15:34:23 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 24 Feb 2015 15:34:23 -0300 perf tools: Introduce dump_stack signal helper To use in stdio based tools, like 'trace'. Cc: Adrian Hunter Cc: Borislav Petkov Cc: David Ahern Cc: Don Zickus Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-79kjmerlw6d88csyx1afzwvn@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/util.c | 7 +++++++ tools/perf/util/util.h | 1 + 2 files changed, 8 insertions(+) diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 92db3f1..4ee6d0d 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -269,6 +269,13 @@ void dump_stack(void) void dump_stack(void) {} #endif +void sighandler_dump_stack(int sig) +{ + psignal(sig, "perf"); + dump_stack(); + exit(sig); +} + void get_term_dimensions(struct winsize *ws) { char *s = getenv("LINES"); diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 73c2f8e..fbd598a 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -277,6 +277,7 @@ char *ltrim(char *s); char *rtrim(char *s); void dump_stack(void); +void sighandler_dump_stack(int sig); extern unsigned int page_size; extern int cacheline_size;