1 files changed, 8 insertions, 8 deletions

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index b32f505a7608..85790a4d1842 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -49,7 +49,7 @@ static int hist_browser__get_folding(struct hist_browser *browser)
 	struct hists *hists = browser->hists;
 	int unfolded_rows = 0;
 
-	for (nd = rb_first(&hists->entries);
+	for (nd = rb_first_cached(&hists->entries);
 	     (nd = hists__filter_entries(nd, browser->min_pcnt)) != NULL;
 	     nd = rb_hierarchy_next(nd)) {
 		struct hist_entry *he =
@@ -267,7 +267,7 @@ static int hierarchy_count_rows(struct hist_browser *hb, struct hist_entry *he,
 	if (he->has_no_entry)
 		return 1;
 
-	node = rb_first(&he->hroot_out);
+	node = rb_first_cached(&he->hroot_out);
 	while (node) {
 		float percent;
 
@@ -372,7 +372,7 @@ static void hist_entry__init_have_children(struct hist_entry *he)
 		he->has_children = !RB_EMPTY_ROOT(&he->sorted_chain);
 		callchain__init_have_children(&he->sorted_chain);
 	} else {
-		he->has_children = !RB_EMPTY_ROOT(&he->hroot_out);
+		he->has_children = !RB_EMPTY_ROOT(&he->hroot_out.rb_root);
 	}
 
 	he->init_have_children = true;
@@ -508,7 +508,7 @@ static int hierarchy_set_folding(struct hist_browser *hb, struct hist_entry *he,
 	struct hist_entry *child;
 	int n = 0;
 
-	for (nd = rb_first(&he->hroot_out); nd; nd = rb_next(nd)) {
+	for (nd = rb_first_cached(&he->hroot_out); nd; nd = rb_next(nd)) {
 		child = rb_entry(nd, struct hist_entry, rb_node);
 		percent = hist_entry__get_percent_limit(child);
 		if (!child->filtered && percent >= hb->min_pcnt)
@@ -566,7 +566,7 @@ __hist_browser__set_folding(struct hist_browser *browser, bool unfold)
 	struct rb_node *nd;
 	struct hist_entry *he;
 
-	nd = rb_first(&browser->hists->entries);
+	nd = rb_first_cached(&browser->hists->entries);
 	while (nd) {
 		he = rb_entry(nd, struct hist_entry, rb_node);
 
@@ -1738,7 +1738,7 @@ static void ui_browser__hists_init_top(struct ui_browser *browser)
 		struct hist_browser *hb;
 
 		hb = container_of(browser, struct hist_browser, b);
-		browser->top = rb_first(&hb->hists->entries);
+		browser->top = rb_first_cached(&hb->hists->entries);
 	}
 }
 
@@ -2649,7 +2649,7 @@ add_socket_opt(struct hist_browser *browser, struct popup_action *act,
 static void hist_browser__update_nr_entries(struct hist_browser *hb)
 {
 	u64 nr_entries = 0;
-	struct rb_node *nd = rb_first(&hb->hists->entries);
+	struct rb_node *nd = rb_first_cached(&hb->hists->entries);
 
 	if (hb->min_pcnt == 0 && !symbol_conf.report_hierarchy) {
 		hb->nr_non_filtered_entries = hb->hists->nr_non_filtered_entries;
@@ -2669,7 +2669,7 @@ static void hist_browser__update_percent_limit(struct hist_browser *hb,
 					       double percent)
 {
 	struct hist_entry *he;
-	struct rb_node *nd = rb_first(&hb->hists->entries);
+	struct rb_node *nd = rb_first_cached(&hb->hists->entries);
 	u64 total = hists__total_period(hb->hists);
 	u64 min_callchain_hits = total * (percent / 100);