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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-04-13 18:32:13 -0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-04-13 18:32:13 -0400 |
| commit | a84bd2ee81ea1bdbd238cd1c380ec25f50a876c5 (patch) | |
| tree | ba054d4b1a20dadec088fd4d8983fb5939227e46 /tools/perf/util/debug.c | |
| parent | aec995900fbc8cffa9f0f9e797ef07a0beb2b079 (diff) | |
| parent | 7db6a7fa09884b34d2a5d4e6e4ed58664a5f0cf8 (diff) | |
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into fixes
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, ...) | |||
| 57 | } | 57 | } |
| 58 | #endif | 58 | #endif |
| 59 | 59 | ||
| 60 | void ui__warning_paranoid(void) | ||
| 61 | { | ||
| 62 | ui__warning("Permission error - are you root?\n" | ||
| 63 | "Consider tweaking /proc/sys/kernel/perf_event_paranoid:\n" | ||
| 64 | " -1 - Not paranoid at all\n" | ||
| 65 | " 0 - Disallow raw tracepoint access for unpriv\n" | ||
| 66 | " 1 - Disallow cpu events for unpriv\n" | ||
| 67 | " 2 - Disallow kernel profiling for unpriv\n"); | ||
| 68 | } | ||
| 69 | |||
| 60 | void trace_event(union perf_event *event) | 70 | void trace_event(union perf_event *event) |
| 61 | { | 71 | { |
| 62 | unsigned char *raw_event = (void *)event; | 72 | unsigned char *raw_event = (void *)event; |
