Commit-ID: 80df1988201ac6648609eba13d48aef9f7974c10 Gitweb: http://git.kernel.org/tip/80df1988201ac6648609eba13d48aef9f7974c10 Author: Namhyung Kim <namhy...@kernel.org> AuthorDate: Fri, 17 Feb 2017 17:17:37 +0900 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 20 Feb 2017 11:16:32 -0300
perf utils: Add perf_quiet_option() The perf_quiet_option() is to suppress all messages. It's intended to be called just after parsing options. Signed-off-by: Namhyung Kim <namhy...@kernel.org> Cc: Jiri Olsa <jo...@kernel.org> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Cc: kernel-t...@lge.com Link: http://lkml.kernel.org/r/20170217081742.17417-2-namhy...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- 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 c1838b6..03eb81f 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 d242adc..98832f5 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 */
