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| author | David S. Miller <davem@davemloft.net> | 2011-04-11 22:44:25 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-11 22:44:25 +0200 |
| commit | 1c01a80cfec6f806246f31ff2680cd3639b30e67 (patch) | |
| tree | 0b554aad2ec1da71ecf6339d4ba51617bfe1dc3c /tools/perf/util/debug.c | |
| parent | niu: Recognise original ethtool class code for AH/ESP flow hashing (diff) | |
| parent | caif: performance bugfix - allow radio stack to prioritize packets. (diff) | |
| download | linux-1c01a80cfec6f806246f31ff2680cd3639b30e67.tar.xz linux-1c01a80cfec6f806246f31ff2680cd3639b30e67.zip | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/smsc911x.c
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; |