From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754976AbdCGIRm (ORCPT ); Tue, 7 Mar 2017 03:17:42 -0500 Received: from terminus.zytor.com ([65.50.211.136]:33878 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754941AbdCGIRc (ORCPT ); Tue, 7 Mar 2017 03:17:32 -0500 Date: Tue, 7 Mar 2017 00:12:01 -0800 From: tip-bot for Namhyung Kim Message-ID: Cc: acme@redhat.com, rostedt@goodmis.org, namhyung@kernel.org, tglx@linutronix.de, hpa@zytor.com, mingo@kernel.org, jolsa@kernel.org, a.p.zijlstra@chello.nl, linux-kernel@vger.kernel.org, fweisbec@gmail.com Reply-To: linux-kernel@vger.kernel.org, a.p.zijlstra@chello.nl, fweisbec@gmail.com, hpa@zytor.com, tglx@linutronix.de, namhyung@kernel.org, rostedt@goodmis.org, acme@redhat.com, jolsa@kernel.org, mingo@kernel.org In-Reply-To: <20170224011251.14946-4-namhyung@kernel.org> References: <20170224011251.14946-4-namhyung@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf ftrace: Use pager for displaying result Git-Commit-ID: 583359646fde8526ea9456618cc24dc359b34094 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: 583359646fde8526ea9456618cc24dc359b34094 Gitweb: http://git.kernel.org/tip/583359646fde8526ea9456618cc24dc359b34094 Author: Namhyung Kim AuthorDate: Fri, 24 Feb 2017 10:12:51 +0900 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 3 Mar 2017 19:07:17 -0300 perf ftrace: Use pager for displaying result It's convenient to use the pager when seeing many lines of result. Note that setup_pager() should be called after perf_evlist__prepare_workload() since they can interfere each other regarding shared stdio streams. Signed-off-by: Namhyung Kim Tested-by: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Peter Zijlstra Cc: Steven Rostedt Cc: kernel-team@lge.com Link: http://lkml.kernel.org/r/20170224011251.14946-4-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-ftrace.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c index d5b566e..6087295 100644 --- a/tools/perf/builtin-ftrace.c +++ b/tools/perf/builtin-ftrace.c @@ -195,6 +195,7 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv) signal(SIGINT, sig_handler); signal(SIGUSR1, sig_handler); signal(SIGCHLD, sig_handler); + signal(SIGPIPE, sig_handler); if (reset_tracing_files(ftrace) < 0) goto out; @@ -247,6 +248,8 @@ static int __cmd_ftrace(struct perf_ftrace *ftrace, int argc, const char **argv) goto out_close_fd; } + setup_pager(); + perf_evlist__start_workload(ftrace->evlist); while (!done) {