diff options
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e45a1ba6172..392d2192b75 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -886,17 +886,14 @@ static void perf_top__mmap_read(struct perf_top *top) static void perf_top__start_counters(struct perf_top *top) { - struct perf_evsel *counter, *first; + struct perf_evsel *counter; struct perf_evlist *evlist = top->evlist; - first = list_entry(evlist->entries.next, struct perf_evsel, node); + if (top->group) + perf_evlist__group(evlist); list_for_each_entry(counter, &evlist->entries, node) { struct perf_event_attr *attr = &counter->attr; - struct xyarray *group_fd = NULL; - - if (top->group && counter != first) - group_fd = first->fd; attr->sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID; @@ -927,8 +924,7 @@ retry_sample_id: attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; try_again: if (perf_evsel__open(counter, top->evlist->cpus, - top->evlist->threads, top->group, - group_fd) < 0) { + top->evlist->threads) < 0) { int err = errno; if (err == EPERM || err == EACCES) { |