From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751444AbdGZRQ3 (ORCPT ); Wed, 26 Jul 2017 13:16:29 -0400 Received: from terminus.zytor.com ([65.50.211.136]:60663 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907AbdGZRQ1 (ORCPT ); Wed, 26 Jul 2017 13:16:27 -0400 Date: Wed, 26 Jul 2017 10:14:15 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: jolsa@kernel.org, dsahern@gmail.com, acme@redhat.com, mingo@kernel.org, namhyung@kernel.org, tglx@linutronix.de, wangnan0@huawei.com, adrian.hunter@intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org Reply-To: acme@redhat.com, mingo@kernel.org, jolsa@kernel.org, dsahern@gmail.com, linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de, namhyung@kernel.org, adrian.hunter@intel.com, wangnan0@huawei.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS Git-Commit-ID: d57da8c9a5e11e7786931cfa1fd744969f530b2e 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: d57da8c9a5e11e7786931cfa1fd744969f530b2e Gitweb: http://git.kernel.org/tip/d57da8c9a5e11e7786931cfa1fd744969f530b2e Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 19 Jul 2017 12:16:15 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 20 Jul 2017 09:55:51 -0300 perf trace beauty mmap: Ignore 'fd' and 'offset' args for MAP_ANONYMOUS Just suppress them, not used by the kernel. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-atpt07y2x9a8ttlwja94ow3j@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/trace/beauty/mmap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tools/perf/trace/beauty/mmap.c b/tools/perf/trace/beauty/mmap.c index af1cfde..754558f 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -34,6 +34,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, { int printed = 0, flags = arg->val; + if (flags & MAP_ANONYMOUS) + arg->mask |= (1 << 4) | (1 << 5); /* Mask 4th ('fd') and 5th ('offset') args, ignored */ + #define P_MMAP_FLAG(n) \ if (flags & MAP_##n) { \ printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \