1 files changed, 8 insertions, 54 deletions

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 38373c986e97..c99ae4dd973e 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -564,64 +564,18 @@ void hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
         }
 }
 
-/*
- * reverse the map, sort on period.
- */
-
-static int period_cmp(u64 period_a, u64 period_b)
+static int hist_entry__sort(struct hist_entry *a, struct hist_entry *b)
 {
-        if (period_a > period_b)
-                return 1;
-        if (period_a < period_b)
-                return -1;
-        return 0;
-}
-
-static int hist_entry__sort_on_period(struct hist_entry *a,
-                                      struct hist_entry *b)
-{
-        int ret;
-        int i, nr_members;
-        struct perf_evsel *evsel;
-        struct hist_entry *pair;
-        u64 *periods_a, *periods_b;
-
-        ret = period_cmp(a->stat.period, b->stat.period);
-        if (ret || !symbol_conf.event_group)
-                return ret;
-
-        evsel = hists_to_evsel(a->hists);
-        nr_members = evsel->nr_members;
-        if (nr_members <= 1)
-                return ret;
-
-        periods_a = zalloc(sizeof(periods_a) * nr_members);
-        periods_b = zalloc(sizeof(periods_b) * nr_members);
-
-        if (!periods_a || !periods_b)
-                goto out;
-
-        list_for_each_entry(pair, &a->pairs.head, pairs.node) {
-                evsel = hists_to_evsel(pair->hists);
-                periods_a[perf_evsel__group_idx(evsel)] = pair->stat.period;
-        }
-
-        list_for_each_entry(pair, &b->pairs.head, pairs.node) {
-                evsel = hists_to_evsel(pair->hists);
-                periods_b[perf_evsel__group_idx(evsel)] = pair->stat.period;
-        }
+        struct perf_hpp_fmt *fmt;
+        int64_t cmp = 0;
 
-        for (i = 1; i < nr_members; i++) {
-                ret = period_cmp(periods_a[i], periods_b[i]);
-                if (ret)
+        perf_hpp__for_each_format(fmt) {
+                cmp = fmt->sort(a, b);
+                if (cmp)
                         break;
         }
 
-out:
-        free(periods_a);
-        free(periods_b);
-
-        return ret;
+        return cmp;
 }
 
 static void hists__reset_filter_stats(struct hists *hists)
@@ -669,7 +623,7 @@ static void __hists__insert_output_entry(struct rb_root *entries,
                 parent = *p;
                 iter = rb_entry(parent, struct hist_entry, rb_node);
 
-                if (hist_entry__sort_on_period(he, iter) > 0)
+                if (hist_entry__sort(he, iter) > 0)
                         p = &(*p)->rb_left;
                 else
                         p = &(*p)->rb_right;