diff options
| author | Masami Hiramatsu <[email protected]> | 2009-12-16 17:24:00 -0500 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2009-12-17 09:42:43 +0100 |
| commit | 96c96612e952f63cc0055db9df7d8b5b1ada02be (patch) | |
| tree | 63449cbf9733ee5b23bddd5a563068cf666be575 | |
| parent | 27f3b24de03fc7cec6f2406f8525ad18086c2121 (diff) | |
perf probe: Check whether debugfs path is correct
Check whether the debugfs path is correct before executing
a command, because perf-probe depends on debugfs.
Signed-off-by: Masami Hiramatsu <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Jim Keniston <[email protected]>
Cc: Ananth N Mavinakayanahalli <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Jason Baron <[email protected]>
Cc: K.Prasad <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Srikar Dronamraju <[email protected]>
Cc: systemtap <[email protected]>
Cc: DLE <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | tools/perf/builtin-probe.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index 7e741f54d798..c1e6774fd3ed 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -38,6 +38,7 @@ #include "util/strlist.h" #include "util/event.h" #include "util/debug.h" +#include "util/debugfs.h" #include "util/symbol.h" #include "util/thread.h" #include "util/session.h" @@ -205,6 +206,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) if ((!session.nr_probe && !session.dellist && !session.list_events)) usage_with_options(probe_usage, options); + if (debugfs_valid_mountpoint(debugfs_path) < 0) + die("Failed to find debugfs path."); + if (session.list_events) { if (session.nr_probe != 0 || session.dellist) { pr_warning(" Error: Don't use --list with" |