diff options
| author | Takashi Iwai <tiwai@suse.de> | 2011-05-02 10:41:40 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-05-02 10:41:40 +0200 |
| commit | a3ea8e8f2474c35b4c3e22262991afddb93c4c0e (patch) | |
| tree | 648bbeea304950d02e71863673be8154a5e491f6 /tools/perf/util/debug.c | |
| parent | c2de187e5b0f25b572ac1cb6cdf383f16123717d (diff) | |
| parent | ebb47241ea0eac6a5a23404821a2d62f64c68496 (diff) | |
| download | linux-a3ea8e8f2474c35b4c3e22262991afddb93c4c0e.tar.gz linux-a3ea8e8f2474c35b4c3e22262991afddb93c4c0e.tar.bz2 linux-a3ea8e8f2474c35b4c3e22262991afddb93c4c0e.zip | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'tools/perf/util/debug.c')
| -rw-r--r-- | tools/perf/util/debug.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c index d4536a9e0d8c..155749d74350 100644 --- a/tools/perf/util/debug.c +++ b/tools/perf/util/debug.c @@ -57,6 +57,16 @@ void ui__warning(const char *format, ...) } #endif +void ui__warning_paranoid(void) +{ + ui__warning("Permission error - are you root?\n" + "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" + " -1 - Not paranoid at all\n" + " 0 - Disallow raw tracepoint access for unpriv\n" + " 1 - Disallow cpu events for unpriv\n" + " 2 - Disallow kernel profiling for unpriv\n"); +} + void trace_event(union perf_event *event) { unsigned char *raw_event = (void *)event; |