diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-11-14 16:47:40 (GMT) |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-12-09 11:46:04 (GMT) |
| commit | 752914208ada0d9ae0a6b3bf2906d43f3605832f (patch) | |
| tree | 24aa9815eafe719170c36e319aa0d5d317ac0534 /tools/perf/ui/util.c | |
| parent | 919d590f13c94c5465db723178e4b72200fd5f90 (diff) | |
| download | linux-752914208ada0d9ae0a6b3bf2906d43f3605832f.tar.xz | |
perf ui: Always compile error printing code
It is used everywhere so always build it regardless of ui engine.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1352911664-24620-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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 4f98977..3014a7c 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 |