summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/perf/builtin-record.c3
-rw-r--r--tools/perf/builtin-top.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 7bc049035484..7069bd3e90b3 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -331,6 +331,9 @@ try_again:
else if (err == ENODEV && cpu_list) {
die("No such device - did you specify"
" an out-of-range profile CPU?\n");
+ } else if (err == ENOENT) {
+ die("%s event is not supported. ",
+ event_name(evsel));
} else if (err == EINVAL && sample_id_all_avail) {
/*
* Old kernel, no attr->sample_id_type_all field
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 1e67ab9c7ebc..6ce4042421bd 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1247,6 +1247,8 @@ try_again:
die("Permission error - are you root?\n"
"\t Consider tweaking"
" /proc/sys/kernel/perf_event_paranoid.\n");
+ if (err == ENOENT)
+ die("%s event is not supported. ", event_name(evsel));
/*
* If it's cycles then fall back to hrtimer
* based cpu-clock-tick sw counter, which