1 files changed, 19 insertions, 0 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index ad312d91caed..49eddeb81458 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -48,6 +48,24 @@ static bool hist_browser__has_filter(struct hist_browser *hb)
         return hists__has_filter(hb->hists) || hb->min_pcnt;
 }
 
+static int hist_browser__get_folding(struct hist_browser *browser)
+{
+        struct rb_node *nd;
+        struct hists *hists = browser->hists;
+        int unfolded_rows = 0;
+
+        for (nd = rb_first(&hists->entries);
+             (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL;
+             nd = rb_next(nd)) {
+                struct hist_entry *he =
+                        rb_entry(nd, struct hist_entry, rb_node);
+
+                if (he->ms.unfolded)
+                        unfolded_rows += he->nr_rows;
+        }
+        return unfolded_rows;
+}
+
 static u32 hist_browser__nr_entries(struct hist_browser *hb)
 {
         u32 nr_entries;
@@ -57,6 +75,7 @@ static u32 hist_browser__nr_entries(struct hist_browser *hb)
         else
                 nr_entries = hb->hists->nr_entries;
 
+        hb->nr_callchain_rows = hist_browser__get_folding(hb);
         return nr_entries + hb->nr_callchain_rows;
 }