perf tools: Remove hists from evsel

[cascardo/linux.git] / tools / perf / util / hist.c

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index b143e40..6e88b9e 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1447,3 +1447,31 @@ int perf_hist_config(const char *var, const char *value)
 
        return 0;
 }
+
+static int hists_evsel__init(struct perf_evsel *evsel)
+{
+       struct hists *hists = evsel__hists(evsel);
+
+       memset(hists, 0, sizeof(*hists));
+       hists->entries_in_array[0] = hists->entries_in_array[1] = RB_ROOT;
+       hists->entries_in = &hists->entries_in_array[0];
+       hists->entries_collapsed = RB_ROOT;
+       hists->entries = RB_ROOT;
+       pthread_mutex_init(&hists->lock, NULL);
+       return 0;
+}
+
+/*
+ * XXX We probably need a hists_evsel__exit() to free the hist_entries
+ * stored in the rbtree...
+ */
+
+int hists__init(void)
+{
+       int err = perf_evsel__object_config(sizeof(struct hists_evsel),
+                                           hists_evsel__init, NULL);
+       if (err)
+               fputs("FATAL ERROR: Couldn't setup hists class\n", stderr);
+
+       return err;
+}