From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752868AbdBTTJH (ORCPT ); Mon, 20 Feb 2017 14:09:07 -0500 Received: from merlin.infradead.org ([205.233.59.134]:45100 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751364AbdBTTI6 (ORCPT ); Mon, 20 Feb 2017 14:08:58 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Namhyung Kim , Jiri Olsa , Peter Zijlstra , kernel-team@lge.com, Arnaldo Carvalho de Melo Subject: [PATCH 13/18] perf utils: Add perf_quiet_option() Date: Mon, 20 Feb 2017 16:08:34 -0300 Message-Id: <20170220190839.3928-14-acme@kernel.org> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170220190839.3928-1-acme@kernel.org> References: <20170220190839.3928-1-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim The perf_quiet_option() is to suppress all messages. It's intended to be called just after parsing options. Signed-off-by: Namhyung Kim Cc: Jiri Olsa Cc: Peter Zijlstra Cc: kernel-team@lge.com Link: http://lkml.kernel.org/r/20170217081742.17417-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/debug.c | 17 +++++++++++++++++ tools/perf/util/debug.h | 1 + 2 files changed, 18 insertions(+) diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index c1838b643108..03eb81f30d0d 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -203,11 +203,28 @@ int perf_debug_option(const char *str) v = (v < 0) || (v > 10) ? 0 : v; } + if (quiet) + v = -1; + *var->ptr = v; free(s); return 0; } +int perf_quiet_option(void) +{ + struct debug_variable *var = &debug_variables[0]; + + /* disable all debug messages */ + while (var->name) { + *var->ptr = -1; + var++; + } + + quiet = true; + return 0; +} + #define DEBUG_WRAPPER(__n, __l) \ static int pr_ ## __n ## _wrapper(const char *fmt, ...) \ { \ diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h index d242adc3d5a2..98832f5531d3 100644 --- a/tools/perf/util/debug.h +++ b/tools/perf/util/debug.h @@ -54,5 +54,6 @@ int veprintf(int level, int var, const char *fmt, va_list args); int perf_debug_option(const char *str); void perf_debug_setup(void); +int perf_quiet_option(void); #endif /* __PERF_DEBUG_H */ -- 2.9.3