From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752912AbeDDFcg (ORCPT ); Wed, 4 Apr 2018 01:32:36 -0400 Received: from terminus.zytor.com ([198.137.202.136]:59045 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751097AbeDDFcf (ORCPT ); Wed, 4 Apr 2018 01:32:35 -0400 Date: Tue, 3 Apr 2018 22:32:12 -0700 From: tip-bot for Jin Yao Message-ID: Cc: acme@redhat.com, tglx@linutronix.de, peterz@infradead.org, ak@linux.intel.com, kan.liang@intel.com, alexander.shishkin@linux.intel.com, hpa@zytor.com, yao.jin@linux.intel.com, yao.jin@intel.com, jolsa@kernel.org, mingo@kernel.org, linux-kernel@vger.kernel.org Reply-To: hpa@zytor.com, yao.jin@linux.intel.com, mingo@kernel.org, jolsa@kernel.org, yao.jin@intel.com, linux-kernel@vger.kernel.org, tglx@linutronix.de, acme@redhat.com, ak@linux.intel.com, peterz@infradead.org, alexander.shishkin@linux.intel.com, kan.liang@intel.com In-Reply-To: <1522402036-22915-6-git-send-email-yao.jin@linux.intel.com> References: <1522402036-22915-6-git-send-email-yao.jin@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf tools: Add 'perf -vv' as an alias to 'perf version --build-options' Git-Commit-ID: 3aa94b10ab0a818ed9fa2dc06c40812c136f9a5a 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: 3aa94b10ab0a818ed9fa2dc06c40812c136f9a5a Gitweb: https://git.kernel.org/tip/3aa94b10ab0a818ed9fa2dc06c40812c136f9a5a Author: Jin Yao AuthorDate: Fri, 30 Mar 2018 17:27:15 +0800 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 2 Apr 2018 13:50:35 -0300 perf tools: Add 'perf -vv' as an alias to 'perf version --build-options' We keep having bug reports that when users build perf on their own, but they don't install some needed libraries such as libelf, libbfd/libibery. The perf can build, but it is missing important functionality. This patch provides a new option '-vv' for perf which will print the compiled-in status of libraries. The 'perf -vv' is mapped to 'perf version --build-options'. For example: $ ./perf -vv perf version 4.13.rc5.g6727c5 dwarf: [ on ] # HAVE_DWARF_SUPPORT dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT glibc: [ on ] # HAVE_GLIBC_SUPPORT gtk2: [ on ] # HAVE_GTK2_SUPPORT libaudit: [ OFF ] # HAVE_LIBAUDIT_SUPPORT libbfd: [ on ] # HAVE_LIBBFD_SUPPORT libelf: [ on ] # HAVE_LIBELF_SUPPORT libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT libperl: [ on ] # HAVE_LIBPERL_SUPPORT libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT libslang: [ on ] # HAVE_SLANG_SUPPORT libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT zlib: [ on ] # HAVE_ZLIB_SUPPORT lzma: [ on ] # HAVE_LZMA_SUPPORT get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT bpf: [ on ] # HAVE_LIBBPF_SUPPORT v3: One bug is found in v2. It didn't process the option like '-vabc' correctly. Fix this bug. v2: Use a global variable version_verbose to record the number of 'v'. Signed-off-by: Jin Yao Tested-by: Arnaldo Carvalho de Melo Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Andi Kleen Cc: Jin Yao Cc: Kan Liang Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1522402036-22915-6-git-send-email-yao.jin@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/perf.c | 6 ++++++ tools/perf/perf.h | 1 + 2 files changed, 7 insertions(+) diff --git a/tools/perf/perf.c b/tools/perf/perf.c index 1b3fc8ec0fa2..1659029d03fc 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -190,6 +190,12 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) break; } + if (!strcmp(cmd, "-vv")) { + (*argv)[0] = "version"; + version_verbose = 1; + break; + } + /* * Check remaining flags. */ diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 8fec1abd0f1f..a1a97956136f 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -84,6 +84,7 @@ struct record_opts { struct option; extern const char * const *record_usage; extern struct option *record_options; +extern int version_verbose; int record__parse_freq(const struct option *opt, const char *str, int unset); #endif