From f49324cf34a8ea43e652d6d3af488f1b0bf3d506 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 14 Oct 2011 09:31:53 -0300
Subject: [PATCH] --- yaml --- r: 269089 b: refs/heads/master c:
 437cfe7a37df07e2201036fb0903cadae6b08e74 h: refs/heads/master i:   269087:
 90edcbde0318689ab1dd5c8e1b74261bd4c39754 v: v3

---
 [refs]                                    |  2 +-
 trunk/tools/perf/util/ui/browser.c        |  1 +
 trunk/tools/perf/util/ui/browsers/hists.c | 15 +++++++++++++--
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index bf4851a5e570..cd87282d66db 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 18eaf0b8e60a2fa54667b2192197970174f1c061
+refs/heads/master: 437cfe7a37df07e2201036fb0903cadae6b08e74
diff --git a/trunk/tools/perf/util/ui/browser.c b/trunk/tools/perf/util/ui/browser.c
index 2923c493fb6a..078ceaf5f8c1 100644
--- a/trunk/tools/perf/util/ui/browser.c
+++ b/trunk/tools/perf/util/ui/browser.c
@@ -249,6 +249,7 @@ void ui_browser__update_nr_entries(struct ui_browser *browser, u32 nr_entries)
 		browser->top_idx += offset;
 	}
 
+	browser->top = NULL;
 	browser->seek(browser, browser->top_idx, SEEK_SET);
 }
 
diff --git a/trunk/tools/perf/util/ui/browsers/hists.c b/trunk/tools/perf/util/ui/browsers/hists.c
index 4a3a7c96b9b6..b144b108029a 100644
--- a/trunk/tools/perf/util/ui/browsers/hists.c
+++ b/trunk/tools/perf/util/ui/browsers/hists.c
@@ -600,14 +600,23 @@ static int hist_browser__show_entry(struct hist_browser *self,
 	return printed;
 }
 
+static void ui_browser__hists_init_top(struct ui_browser *browser)
+{
+	if (browser->top == NULL) {
+		struct hist_browser *hb;
+
+		hb = container_of(browser, struct hist_browser, b);
+		browser->top = rb_first(&hb->hists->entries);
+	}
+}
+
 static unsigned int hist_browser__refresh(struct ui_browser *self)
 {
 	unsigned row = 0;
 	struct rb_node *nd;
 	struct hist_browser *hb = container_of(self, struct hist_browser, b);
 
-	if (self->top == NULL)
-		self->top = rb_first(&hb->hists->entries);
+	ui_browser__hists_init_top(self);
 
 	for (nd = self->top; nd; nd = rb_next(nd)) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
@@ -659,6 +668,8 @@ static void ui_browser__hists_seek(struct ui_browser *self,
 	if (self->nr_entries == 0)
 		return;
 
+	ui_browser__hists_init_top(self);
+
 	switch (whence) {
 	case SEEK_SET:
 		nd = hists__filter_entries(rb_first(self->entries));