From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754054AbbBYVxL (ORCPT ); Wed, 25 Feb 2015 16:53:11 -0500 Received: from mail.kernel.org ([198.145.29.136]:46077 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753803AbbBYVsM (ORCPT ); Wed, 25 Feb 2015 16:48:12 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Borislav Petkov , David Ahern , Don Zickus , Frederic Weisbecker , Jiri Olsa , Namhyung Kim , Stephane Eranian Subject: [PATCH 14/21] perf tools: Introduce dump_stack signal helper Date: Wed, 25 Feb 2015 18:46:52 -0300 Message-Id: <1424900819-910-15-git-send-email-acme@kernel.org> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1424900819-910-1-git-send-email-acme@kernel.org> References: <1424900819-910-1-git-send-email-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo 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 92db3f156b63..4ee6d0d4c993 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 73c2f8e557ab..fbd598afc606 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; -- 1.9.3