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authorNamhyung Kim <namhyung@kernel.org>2017-02-17 09:17:37 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-02-20 15:16:32 +0100
commit80df1988201ac6648609eba13d48aef9f7974c10 (patch)
treed0b80371f5ca39192866a30fd22f19369ea8f0d7 /tools/perf/util/debug.c
parentperf record: Add -a as default target (diff)
downloadlinux-80df1988201ac6648609eba13d48aef9f7974c10.tar.xz
linux-80df1988201ac6648609eba13d48aef9f7974c10.zip
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 <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: kernel-team@lge.com Link: http://lkml.kernel.org/r/20170217081742.17417-2-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/debug.c')
-rw-r--r--tools/perf/util/debug.c17
1 files changed, 17 insertions, 0 deletions
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, ...) \
{ \