diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 210c736..8a039a0 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -195,18 +195,17 @@ static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip)
 	struct annotation *notes;
 	struct symbol *sym;
 
-	if (syme != sym_filter_entry)
-		return;
-
 	sym = sym_entry__symbol(syme);
 	notes = symbol__annotation(sym);
 
 	if (pthread_mutex_trylock(&notes->lock))
 		return;
 
+	if (notes->src == NULL)
+		goto out_unlock;
 	ip = syme->map->map_ip(syme->map, ip);
 	symbol__inc_addr_samples(sym, syme->map, counter, ip);
-
+out_unlock:
 	pthread_mutex_unlock(&notes->lock);
 }
 
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
index 1aa3965..9eccd88 100644
--- a/tools/perf/util/ui/browsers/annotate.c
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -6,6 +6,7 @@
 #include "../../sort.h"
 #include "../../symbol.h"
 #include "../../annotate.h"
+#include <pthread.h>
 
 static void ui__error_window(const char *fmt, ...)
 {
@@ -44,8 +45,6 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
 		struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
 		ui_browser__set_percent_color(self, olrb->percent, current_entry);
 		slsmg_printf(" %7.2f ", olrb->percent);
-		if (!current_entry)
-			ui_browser__set_color(self, HE_COLORSET_CODE);
 	} else {
 		ui_browser__set_percent_color(self, 0, current_entry);
 		slsmg_write_nstring(" ", 9);
@@ -57,6 +56,9 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro
 		slsmg_write_nstring(" ", width - 18);
 	else
 		slsmg_write_nstring(ol->line, width - 18);
+
+	if (!current_entry)
+		ui_browser__set_color(self, HE_COLORSET_CODE);
 }
 
 static double objdump_line__calc_percent(struct objdump_line *self,
@@ -137,10 +139,35 @@ static void annotate_browser__set_top(struct annotate_browser *self,
 	self->curr_hot = nd;
 }
 
-static int annotate_browser__run(struct annotate_browser *self)
+static void annotate_browser__calc_percent(struct annotate_browser *browser,
+					   int evidx)
+{
+	struct symbol *sym = browser->b.priv;
+	struct annotation *notes = symbol__annotation(sym);
+	struct objdump_line *pos;
+
+	browser->entries = RB_ROOT;
+
+	pthread_mutex_lock(&notes->lock);
+	symbol__annotate_decay_histogram(sym, evidx);
+
+	list_for_each_entry(pos, &notes->src->source, node) {
+		struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
+		rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
+		if (rbpos->percent < 0.01)
+			continue;
+		objdump__insert_line(&browser->entries, rbpos);
+	}
+	pthread_mutex_unlock(&notes->lock);
+
+	browser->curr_hot = rb_last(&browser->entries);
+}
+
+static int annotate_browser__run(struct annotate_browser *self, int evidx)
 {
-	struct rb_node *nd;
+	struct rb_node *nd = NULL;
 	struct symbol *sym = self->b.priv;
+	int tabs[] = { NEWT_KEY_TAB, NEWT_KEY_UNTAB, NEWT_KEY_RIGHT, 0 };
 	int key;
 
 	if (ui_browser__show(&self->b, sym->name,
@@ -152,26 +179,48 @@ static int annotate_browser__run(struct annotate_browser *self)
 	 */
 	ui_browser__add_exit_key(&self->b, NEWT_KEY_RIGHT);
 
+	ui_browser__add_exit_keys(&self->b, tabs);
+	annotate_browser__calc_percent(self, evidx);
+
+	if (self->curr_hot)
+		annotate_browser__set_top(self, self->curr_hot);
+
 	nd = self->curr_hot;
-	if (nd) {
-		int tabs[] = { NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0 };
-		ui_browser__add_exit_keys(&self->b, tabs);
-	}
+
+	newtFormSetTimer(self->b.form, 2000);
 
 	while (1) {
 		key = ui_browser__run(&self->b);
 
 		switch (key) {
+                case -1:
+                        /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */
+			annotate_browser__calc_percent(self, evidx);
+			break;
+
 		case NEWT_KEY_TAB:
-			nd = rb_prev(nd);
+			if (nd != NULL)
+				nd = rb_prev(nd);
+				if (nd == NULL)
+					nd = rb_last(&self->entries);
+			else
+				nd = self->curr_hot;
+
 			if (nd == NULL)
-				nd = rb_last(&self->entries);
+				break;
 			annotate_browser__set_top(self, nd);
 			break;
 		case NEWT_KEY_UNTAB:
-			nd = rb_next(nd);
+			if (nd != NULL)
+				nd = rb_next(nd);
+				if (nd == NULL)
+					nd = rb_first(&self->entries);
+			else
+				nd = self->curr_hot;
+
 			if (nd == NULL)
-				nd = rb_first(&self->entries);
+				break;
+
 			annotate_browser__set_top(self, nd);
 			break;
 		default:
@@ -191,7 +240,6 @@ int hist_entry__tui_annotate(struct hist_entry *he, int evidx)
 int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx)
 {
 	struct objdump_line *pos, *n;
-	struct objdump_line_rb_node *rbpos;
 	struct annotation *notes = symbol__annotation(sym);
 	struct annotate_browser browser = {
 		.b = {
@@ -210,7 +258,7 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx)
 	if (map->dso->annotate_warned)
 		return -1;
 
-	if (symbol__annotate(sym, map, sizeof(*rbpos)) < 0) {
+	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
 		ui__error_window(ui_helpline__last_msg);
 		return -1;
 	}
@@ -221,23 +269,11 @@ int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx)
 		size_t line_len = strlen(pos->line);
 		if (browser.b.width < line_len)
 			browser.b.width = line_len;
-		rbpos = objdump_line__rb(pos);
-		rbpos->idx = browser.b.nr_entries++;
-		rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
-		if (rbpos->percent < 0.01)
-			continue;
-		objdump__insert_line(&browser.entries, rbpos);
+		browser.b.nr_entries++;
 	}
 
-	/*
-	 * Position the browser at the hottest line.
-	 */
-	browser.curr_hot = rb_last(&browser.entries);
-	if (browser.curr_hot)
-		annotate_browser__set_top(&browser, browser.curr_hot);
-
 	browser.b.width += 18; /* Percentage */
-	ret = annotate_browser__run(&browser);
+	ret = annotate_browser__run(&browser, evidx);
 	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 		list_del(&pos->node);
 		objdump_line__free(pos);
diff --git a/tools/perf/util/ui/browsers/top.c b/tools/perf/util/ui/browsers/top.c
index ca60624..5b7ecaa 100644
--- a/tools/perf/util/ui/browsers/top.c
+++ b/tools/perf/util/ui/browsers/top.c
@@ -7,6 +7,7 @@
  * Released under the GPL v2. (and only v2, not any later version)
  */
 #include "../browser.h"
+#include "../../annotate.h"
 #include "../helpline.h"
 #include "../libslang.h"
 #include "../../evlist.h"
@@ -18,6 +19,7 @@
 struct perf_top_browser {
 	struct ui_browser b;
 	struct rb_root	  root;
+	struct sym_entry  *selection;
 	float		  sum_ksamples;
 	int		  dso_width;
 	int		  dso_short_width;
@@ -60,6 +62,9 @@ static void perf_top_browser__write(struct ui_browser *browser, void *entry, int
 	slsmg_write_nstring(width >= syme->map->dso->long_name_len ?
 				syme->map->dso->long_name :
 				syme->map->dso->short_name, width);
+
+	if (current_entry)
+		top_browser->selection = syme;
 }
 
 static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
@@ -80,12 +85,39 @@ static void perf_top_browser__update_rb_tree(struct perf_top_browser *browser)
 	browser->b.nr_entries = top->rb_entries;
 }
 
+static void perf_top_browser__annotate(struct perf_top_browser *browser)
+{
+	struct sym_entry *syme = browser->selection;
+	struct symbol *sym = sym_entry__symbol(syme);
+	struct annotation *notes = symbol__annotation(sym);
+	struct perf_top *top = browser->b.priv;
+
+	if (notes->src != NULL) {
+		pthread_mutex_lock(&notes->lock);
+		goto do_annotation;
+	}
+
+	pthread_mutex_lock(&notes->lock);
+
+	if (symbol__alloc_hist(sym, top->evlist->nr_entries) < 0) {
+		pr_err("Not enough memory for annotating '%s' symbol!\n",
+		       sym->name);
+		pthread_mutex_unlock(&notes->lock);
+		return;
+	}
+
+	pthread_mutex_unlock(&notes->lock);
+do_annotation:
+	symbol__tui_annotate(sym, syme->map, 0);
+}
+
 static int perf_top_browser__run(struct perf_top_browser *browser)
 {
 	int key;
 	char title[160];
 	struct perf_top *top = browser->b.priv;
 	int delay_msecs = top->delay_secs * 1000;
+	int exit_keys[] = { 'a', NEWT_KEY_ENTER, NEWT_KEY_RIGHT, 0, };
 
 	perf_top_browser__update_rb_tree(browser);
         perf_top__header_snprintf(top, title, sizeof(title));
@@ -95,6 +127,7 @@ static int perf_top_browser__run(struct perf_top_browser *browser)
 		return -1;
 
 	newtFormSetTimer(browser->b.form, delay_msecs);
+	ui_browser__add_exit_keys(&browser->b, exit_keys);
 
 	while (1) {
 		key = ui_browser__run(&browser->b);
@@ -109,7 +142,11 @@ static int perf_top_browser__run(struct perf_top_browser *browser)
 			SLsmg_gotorc(0, 0);
 			slsmg_write_nstring(title, browser->b.width);
 			break;
-		case NEWT_KEY_TAB:
+		case NEWT_KEY_RIGHT:
+		case NEWT_KEY_ENTER:
+			if (browser->selection)
+				perf_top_browser__annotate(browser);
+			break;
 		default:
 			goto out;
 		}