diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 7bc0490354847a949d2f2105cca86e67f8e0b1b4..7069bd3e90b308871d4f309b99335cba09b9fbbc 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -331,6 +331,9 @@ static void create_counter(struct perf_evsel *evsel, int cpu) 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 1e67ab9c7ebc46c5df87e6219ad023b5509207f2..6ce4042421bd92b1574f50409cf60f506675ddfd 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1247,6 +1247,8 @@ static void start_counter(int i, struct perf_evsel *evsel) 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