diff options
Diffstat (limited to 'tools/perf/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 28c54897a97e..25857894c047 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -55,6 +55,7 @@ #include "../perf-sys.h" #include "util/parse-branch-options.h" #include "util/bpf-filter.h" +#include "util/hist.h" #include <internal/xyarray.h> #include <internal/lib.h> #include <internal/threadmap.h> @@ -832,16 +833,22 @@ const char *evsel__group_name(struct evsel *evsel) int evsel__group_desc(struct evsel *evsel, char *buf, size_t size) { int ret = 0; + bool first = true; struct evsel *pos; const char *group_name = evsel__group_name(evsel); if (!evsel->forced_leader) ret = scnprintf(buf, size, "%s { ", group_name); - ret += scnprintf(buf + ret, size - ret, "%s", evsel__name(evsel)); + for_each_group_evsel(pos, evsel) { + if (symbol_conf.skip_empty && + evsel__hists(pos)->stats.nr_samples == 0) + continue; - for_each_group_member(pos, evsel) - ret += scnprintf(buf + ret, size - ret, ", %s", evsel__name(pos)); + ret += scnprintf(buf + ret, size - ret, "%s%s", + first ? "" : ", ", evsel__name(pos)); + first = false; + } if (!evsel->forced_leader) ret += scnprintf(buf + ret, size - ret, " }"); |