Merge branches 'for-4.20/upstream-fixes', 'for-4.21/core', 'for-4.21/hid-asus', ...

[linux-2.6-block.git] / tools / perf / util / evlist.c

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index e88e6f9b1463f0674a0eaf12423b35978e58d8da..668d2a9ef0f4b698231c7ad0388210175f0f8dab 100644 (file)
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1810,3 +1810,30 @@ void perf_evlist__force_leader(struct perf_evlist *evlist)
                leader->forced_leader = true;
        }
 }
+
+struct perf_evsel *perf_evlist__reset_weak_group(struct perf_evlist *evsel_list,
+                                                struct perf_evsel *evsel)
+{
+       struct perf_evsel *c2, *leader;
+       bool is_open = true;
+
+       leader = evsel->leader;
+       pr_debug("Weak group for %s/%d failed\n",
+                       leader->name, leader->nr_members);
+
+       /*
+        * for_each_group_member doesn't work here because it doesn't
+        * include the first entry.
+        */
+       evlist__for_each_entry(evsel_list, c2) {
+               if (c2 == evsel)
+                       is_open = false;
+               if (c2->leader == leader) {
+                       if (is_open)
+                               perf_evsel__close(c2);
+                       c2->leader = c2;
+                       c2->nr_members = 0;
+               }
+       }
+       return leader;
+}