diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 935fc4fd878e..fc1273e976c5 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -870,6 +870,12 @@ try_again: goto try_again; } + if (err == ENOENT) { + ui__warning("The %s event is not supported.\n", + event_name(counter)); + goto out_err; + } + ui__warning("The sys_perf_event_open() syscall " "returned with %d (%s). /bin/dmesg " "may provide additional information.\n" |