From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964877AbbLRIqM (ORCPT ); Fri, 18 Dec 2015 03:46:12 -0500 Received: from terminus.zytor.com ([198.137.202.10]:51733 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753477AbbLRIqL (ORCPT ); Fri, 18 Dec 2015 03:46:11 -0500 Date: Fri, 18 Dec 2015 00:45:50 -0800 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: acme@redhat.com, mingo@kernel.org, dsahern@gmail.com, wangnan0@huawei.com, jolsa@redhat.com, hpa@zytor.com, adrian.hunter@intel.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, namhyung@kernel.org Reply-To: linux-kernel@vger.kernel.org, namhyung@kernel.org, wangnan0@huawei.com, jolsa@redhat.com, acme@redhat.com, mingo@kernel.org, dsahern@gmail.com, tglx@linutronix.de, hpa@zytor.com, adrian.hunter@intel.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Use same signal handling strategy as 'record' Git-Commit-ID: 9daddf66a37708ec7182a7058f159166d12c9812 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: 9daddf66a37708ec7182a7058f159166d12c9812 Gitweb: http://git.kernel.org/tip/9daddf66a37708ec7182a7058f159166d12c9812 Author: Arnaldo Carvalho de Melo AuthorDate: Fri, 11 Dec 2015 16:43:57 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 14 Dec 2015 12:08:55 -0300 perf tools: Use same signal handling strategy as 'record' I.e. don't exit with the signal number, instead set the signal handler to the default one and then raise it again. Noticed while trying to dump the stack at segfaults in the 'perf test' forked process used to run each test, that inspects signal info at each test. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-5x5r176wnoqxi5p6id05wv9w@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/util.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 07da970..aff0cfd 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -352,7 +352,8 @@ void sighandler_dump_stack(int sig) { psignal(sig, "perf"); dump_stack(); - exit(sig); + signal(sig, SIG_DFL); + raise(sig); } int parse_nsec_time(const char *str, u64 *ptime)