diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 4f81eeb9987..8f80df89603 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -235,7 +235,6 @@ static struct hist_entry *perf_evsel__add_hist_entry(struct perf_evsel *evsel, if (he == NULL) return NULL; - evsel->hists.stats.total_period += sample->period; hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); return he; } @@ -889,6 +888,10 @@ try_again: ui__warning("The %s event is not supported.\n", event_name(counter)); goto out_err; + } else if (err == EMFILE) { + ui__warning("Too many events are opened.\n" + "Try again after reducing the number of events\n"); + goto out_err; } ui__warning("The sys_perf_event_open() syscall " |