diff options
Diffstat (limited to 'tools/perf/ui/util.c')
| -rw-r--r-- | tools/perf/ui/util.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/ui/util.c b/tools/perf/ui/util.c index 4f989774c8c6..3014a7cd5271 100644 --- a/tools/perf/ui/util.c +++ b/tools/perf/ui/util.c @@ -52,6 +52,16 @@ int ui__warning(const char *format, ...) return ret; } +int ui__error_paranoid(void) +{ + return ui__error("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"); +} + /** * perf_error__register - Register error logging functions |