From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755347AbeDTOd1 (ORCPT ); Fri, 20 Apr 2018 10:33:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:44790 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755322AbeDTOdY (ORCPT ); Fri, 20 Apr 2018 10:33:24 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B4E3821841 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=acme@kernel.org From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Linus Torvalds , Michal Hocko , Namhyung Kim , Wang Nan Subject: [PATCH 09/17] perf trace: Support MAP_FIXED_NOREPLACE Date: Fri, 20 Apr 2018 11:32:19 -0300 Message-Id: <20180420143227.16030-10-acme@kernel.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180420143227.16030-1-acme@kernel.org> References: <20180420143227.16030-1-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 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 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 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); -- 2.14.3