diff options
Diffstat (limited to 'tools/perf/util/hist.c')
| -rw-r--r-- | tools/perf/util/hist.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index b143e404e5b1..6e88b9e395df 100644 --- 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; +} |