From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753080AbeDUHuo (ORCPT ); Sat, 21 Apr 2018 03:50:44 -0400 Received: from terminus.zytor.com ([198.137.202.136]:57825 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753032AbeDUHun (ORCPT ); Sat, 21 Apr 2018 03:50:43 -0400 Date: Sat, 21 Apr 2018 00:50:28 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: hpa@zytor.com, tglx@linutronix.de, mingo@kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, namhyung@kernel.org, wangnan0@huawei.com, jolsa@kernel.org, acme@redhat.com, dsahern@gmail.com, mhocko@suse.com, adrian.hunter@intel.com Reply-To: wangnan0@huawei.com, jolsa@kernel.org, adrian.hunter@intel.com, mhocko@suse.com, dsahern@gmail.com, acme@redhat.com, hpa@zytor.com, tglx@linutronix.de, namhyung@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf trace: Support MAP_FIXED_NOREPLACE Git-Commit-ID: 4e5c01a7c746130033eb6e7153b346b8ca61e7a5 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: 4e5c01a7c746130033eb6e7153b346b8ca61e7a5 Gitweb: https://git.kernel.org/tip/4e5c01a7c746130033eb6e7153b346b8ca61e7a5 Author: Arnaldo Carvalho de Melo AuthorDate: Mon, 16 Apr 2018 16:39:38 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 18 Apr 2018 15:34:52 -0300 perf trace: Support MAP_FIXED_NOREPLACE Introduced in a4ff8e8620d3 ("mm: introduce MAP_FIXED_NOREPLACE"), and now that we have that define in the just syncronized tools/arch/*/include/uapi/asm/mman.h files, add support for it. This should really transition to autogeneration of string tables as done for various other things: $ ls /tmp/build/perf/trace/beauty/generated/*.c arch_errno_name_array.c kcmp_type_array.c madvise_behavior_array.c pkey_alloc_access_rights_array.c prctl_option_array.c $ head /tmp/build/perf/trace/beauty/generated/madvise_behavior_array.c static const char *madvise_advices[] = { [0] = "NORMAL", [1] = "RANDOM", [2] = "SEQUENTIAL", [3] = "WILLNEED", [4] = "DONTNEED", [8] = "FREE", [9] = "REMOVE", [10] = "DONTFORK", [11] = "DOFORK", $ Till then, add support for this the old way. Also it has to be ifdef'ed, because arches like mips still don't define it. The proper solution will be to have per-arch tables for these values to support cross-analysis. Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Linus Torvalds Cc: Michal Hocko Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-td9t5vhjltqnlzaurkkgq8cn@git.kernel.org Signef-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 417e3ecfe9d7..9f68077b241b 100644 --- a/tools/perf/trace/beauty/mmap.c +++ b/tools/perf/trace/beauty/mmap.c @@ -54,6 +54,9 @@ static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, P_MMAP_FLAG(EXECUTABLE); P_MMAP_FLAG(FILE); P_MMAP_FLAG(FIXED); +#ifdef MAP_FIXED_NOREPLACE + P_MMAP_FLAG(FIXED_NOREPLACE); +#endif P_MMAP_FLAG(GROWSDOWN); P_MMAP_FLAG(HUGETLB); P_MMAP_FLAG(LOCKED);