diff options
Diffstat (limited to 'tools/perf/builtin-probe.c')
| -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 7e741f54d79..c1e6774fd3e 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" |