From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752233AbaLRG3l (ORCPT ); Thu, 18 Dec 2014 01:29:41 -0500 Received: from terminus.zytor.com ([198.137.202.10]:58580 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752183AbaLRG3i (ORCPT ); Thu, 18 Dec 2014 01:29:38 -0500 Date: Wed, 17 Dec 2014 22:28:58 -0800 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: hpa@zytor.com, tglx@linutronix.de, paulus@samba.org, peterz@infradead.org, bp@suse.de, mingo@kernel.org, fweisbec@gmail.com, jolsa@redhat.com, efault@gmx.de, dzickus@redhat.com, dsahern@gmail.com, eranian@google.com, namhyung@kernel.org, acme@redhat.com, linux-kernel@vger.kernel.org, adrian.hunter@intel.com Reply-To: hpa@zytor.com, tglx@linutronix.de, paulus@samba.org, peterz@infradead.org, bp@suse.de, mingo@kernel.org, fweisbec@gmail.com, efault@gmx.de, jolsa@redhat.com, dzickus@redhat.com, dsahern@gmail.com, eranian@google.com, namhyung@kernel.org, acme@redhat.com, adrian.hunter@intel.com, linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf trace: Let the perf_evlist__mmap autosize the number of pages to use Git-Commit-ID: 38d5447d64f367d1f4804ed5c7048d39de4d3311 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: 38d5447d64f367d1f4804ed5c7048d39de4d3311 Gitweb: http://git.kernel.org/tip/38d5447d64f367d1f4804ed5c7048d39de4d3311 Author: Arnaldo Carvalho de Melo AuthorDate: Fri, 12 Dec 2014 17:28:32 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 16 Dec 2014 13:38:26 -0300 perf trace: Let the perf_evlist__mmap autosize the number of pages to use So that normal users can run 'trace', we were using a hardcoded 1024 pages value that was more than the default /proc/sys/kernel/perf_event_mlock_kb setting. Cc: Adrian Hunter Cc: Borislav Petkov Cc: David Ahern Cc: Don Zickus Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-3banj3yh0sjz41obxtgiel3a@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 327541e..badfabc 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -2485,7 +2485,7 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused) .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, .no_buffering = true, - .mmap_pages = 1024, + .mmap_pages = UINT_MAX, }, .output = stdout, .show_comm = true,