libperf: Add perf_evlist__reset_id_hash()

[sfrench/cifs-2.6.git] / tools / lib / perf / evlist.c

diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 17465d454a0e31d912f7d0782d3f0bc19b6bfcdd..a0aaf385cbb5855e48a46d37c49209a23c0c162e 100644 (file)
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -26,13 +26,10 @@
 
 void perf_evlist__init(struct perf_evlist *evlist)
 {
-       int i;
-
-       for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
-               INIT_HLIST_HEAD(&evlist->heads[i]);
        INIT_LIST_HEAD(&evlist->entries);
        evlist->nr_entries = 0;
        fdarray__init(&evlist->pollfd, 64);
+       perf_evlist__reset_id_hash(evlist);
 }
 
 static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
@@ -237,6 +234,14 @@ static void perf_evlist__id_hash(struct perf_evlist *evlist,
        hlist_add_head(&sid->node, &evlist->heads[hash]);
 }
 
+void perf_evlist__reset_id_hash(struct perf_evlist *evlist)
+{
+       int i;
+
+       for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i)
+               INIT_HLIST_HEAD(&evlist->heads[i]);
+}
+
 void perf_evlist__id_add(struct perf_evlist *evlist,
                         struct perf_evsel *evsel,
                         int cpu, int thread, u64 id)