upload tizen1.0 sourceHEADmaster2.0alpha

14 files changed, 2075 insertions, 0 deletions

diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c
new file mode 100644
index 00000000..66f2d583
--- /dev/null
+++ b/tools/perf/util/ui/browser.c
@@ -0,0 +1,329 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#undef _GNU_SOURCE
+/*
+ * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
+ * the build if it isn't defined. Use the equivalent one that glibc
+ * has on features.h.
+ */
+#include <features.h>
+#ifndef HAVE_LONG_LONG
+#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
+#endif
+#include <slang.h>
+#include <linux/list.h>
+#include <linux/rbtree.h>
+#include <stdlib.h>
+#include <sys/ttydefaults.h>
+#include "browser.h"
+#include "helpline.h"
+#include "../color.h"
+#include "../util.h"
+
+#if SLANG_VERSION < 20104
+#define sltt_set_color(obj, name, fg, bg) \
+	SLtt_set_color(obj,(char *)name, (char *)fg, (char *)bg)
+#else
+#define sltt_set_color SLtt_set_color
+#endif
+
+newtComponent newt_form__new(void);
+
+int ui_browser__percent_color(double percent, bool current)
+{
+	if (current)
+		return HE_COLORSET_SELECTED;
+	if (percent >= MIN_RED)
+		return HE_COLORSET_TOP;
+	if (percent >= MIN_GREEN)
+		return HE_COLORSET_MEDIUM;
+	return HE_COLORSET_NORMAL;
+}
+
+void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence)
+{
+	struct list_head *head = self->entries;
+	struct list_head *pos;
+
+	switch (whence) {
+	case SEEK_SET:
+		pos = head->next;
+		break;
+	case SEEK_CUR:
+		pos = self->top;
+		break;
+	case SEEK_END:
+		pos = head->prev;
+		break;
+	default:
+		return;
+	}
+
+	if (offset > 0) {
+		while (offset-- != 0)
+			pos = pos->next;
+	} else {
+		while (offset++ != 0)
+			pos = pos->prev;
+	}
+
+	self->top = pos;
+}
+
+void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence)
+{
+	struct rb_root *root = self->entries;
+	struct rb_node *nd;
+
+	switch (whence) {
+	case SEEK_SET:
+		nd = rb_first(root);
+		break;
+	case SEEK_CUR:
+		nd = self->top;
+		break;
+	case SEEK_END:
+		nd = rb_last(root);
+		break;
+	default:
+		return;
+	}
+
+	if (offset > 0) {
+		while (offset-- != 0)
+			nd = rb_next(nd);
+	} else {
+		while (offset++ != 0)
+			nd = rb_prev(nd);
+	}
+
+	self->top = nd;
+}
+
+unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self)
+{
+	struct rb_node *nd;
+	int row = 0;
+
+	if (self->top == NULL)
+                self->top = rb_first(self->entries);
+
+	nd = self->top;
+
+	while (nd != NULL) {
+		SLsmg_gotorc(self->y + row, self->x);
+		self->write(self, nd, row);
+		if (++row == self->height)
+			break;
+		nd = rb_next(nd);
+	}
+
+	return row;
+}
+
+bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row)
+{
+	return self->top_idx + row == self->index;
+}
+
+void ui_browser__refresh_dimensions(struct ui_browser *self)
+{
+	int cols, rows;
+	newtGetScreenSize(&cols, &rows);
+
+	if (self->width > cols - 4)
+		self->width = cols - 4;
+	self->height = rows - 5;
+	if (self->height > self->nr_entries)
+		self->height = self->nr_entries;
+	self->y  = (rows - self->height) / 2;
+	self->x = (cols - self->width) / 2;
+}
+
+void ui_browser__reset_index(struct ui_browser *self)
+{
+	self->index = self->top_idx = 0;
+	self->seek(self, 0, SEEK_SET);
+}
+
+int ui_browser__show(struct ui_browser *self, const char *title,
+		     const char *helpline, ...)
+{
+	va_list ap;
+
+	if (self->form != NULL) {
+		newtFormDestroy(self->form);
+		newtPopWindow();
+	}
+	ui_browser__refresh_dimensions(self);
+	newtCenteredWindow(self->width, self->height, title);
+	self->form = newt_form__new();
+	if (self->form == NULL)
+		return -1;
+
+	self->sb = newtVerticalScrollbar(self->width, 0, self->height,
+					 HE_COLORSET_NORMAL,
+					 HE_COLORSET_SELECTED);
+	if (self->sb == NULL)
+		return -1;
+
+	newtFormAddHotKey(self->form, NEWT_KEY_UP);
+	newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
+	newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
+	newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
+	newtFormAddHotKey(self->form, NEWT_KEY_HOME);
+	newtFormAddHotKey(self->form, NEWT_KEY_END);
+	newtFormAddHotKey(self->form, ' ');
+	newtFormAddComponent(self->form, self->sb);
+
+	va_start(ap, helpline);
+	ui_helpline__vpush(helpline, ap);
+	va_end(ap);
+	return 0;
+}
+
+void ui_browser__hide(struct ui_browser *self)
+{
+	newtFormDestroy(self->form);
+	newtPopWindow();
+	self->form = NULL;
+	ui_helpline__pop();
+}
+
+int ui_browser__refresh(struct ui_browser *self)
+{
+	int row;
+
+	newtScrollbarSet(self->sb, self->index, self->nr_entries - 1);
+	row = self->refresh(self);
+	SLsmg_set_color(HE_COLORSET_NORMAL);
+	SLsmg_fill_region(self->y + row, self->x,
+			  self->height - row, self->width, ' ');
+
+	return 0;
+}
+
+int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es)
+{
+	if (ui_browser__refresh(self) < 0)
+		return -1;
+
+	while (1) {
+		off_t offset;
+
+		newtFormRun(self->form, es);
+
+		if (es->reason != NEWT_EXIT_HOTKEY)
+			break;
+		if (is_exit_key(es->u.key))
+			return es->u.key;
+		switch (es->u.key) {
+		case NEWT_KEY_DOWN:
+			if (self->index == self->nr_entries - 1)
+				break;
+			++self->index;
+			if (self->index == self->top_idx + self->height) {
+				++self->top_idx;
+				self->seek(self, +1, SEEK_CUR);
+			}
+			break;
+		case NEWT_KEY_UP:
+			if (self->index == 0)
+				break;
+			--self->index;
+			if (self->index < self->top_idx) {
+				--self->top_idx;
+				self->seek(self, -1, SEEK_CUR);
+			}
+			break;
+		case NEWT_KEY_PGDN:
+		case ' ':
+			if (self->top_idx + self->height > self->nr_entries - 1)
+				break;
+
+			offset = self->height;
+			if (self->index + offset > self->nr_entries - 1)
+				offset = self->nr_entries - 1 - self->index;
+			self->index += offset;
+			self->top_idx += offset;
+			self->seek(self, +offset, SEEK_CUR);
+			break;
+		case NEWT_KEY_PGUP:
+			if (self->top_idx == 0)
+				break;
+
+			if (self->top_idx < self->height)
+				offset = self->top_idx;
+			else
+				offset = self->height;
+
+			self->index -= offset;
+			self->top_idx -= offset;
+			self->seek(self, -offset, SEEK_CUR);
+			break;
+		case NEWT_KEY_HOME:
+			ui_browser__reset_index(self);
+			break;
+		case NEWT_KEY_END:
+			offset = self->height - 1;
+			if (offset >= self->nr_entries)
+				offset = self->nr_entries - 1;
+
+			self->index = self->nr_entries - 1;
+			self->top_idx = self->index - offset;
+			self->seek(self, -offset, SEEK_END);
+			break;
+		default:
+			return es->u.key;
+		}
+		if (ui_browser__refresh(self) < 0)
+			return -1;
+	}
+	return 0;
+}
+
+unsigned int ui_browser__list_head_refresh(struct ui_browser *self)
+{
+	struct list_head *pos;
+	struct list_head *head = self->entries;
+	int row = 0;
+
+	if (self->top == NULL || self->top == self->entries)
+                self->top = head->next;
+
+	pos = self->top;
+
+	list_for_each_from(pos, head) {
+		SLsmg_gotorc(self->y + row, self->x);
+		self->write(self, pos, row);
+		if (++row == self->height)
+			break;
+	}
+
+	return row;
+}
+
+static struct newtPercentTreeColors {
+	const char *topColorFg, *topColorBg;
+	const char *mediumColorFg, *mediumColorBg;
+	const char *normalColorFg, *normalColorBg;
+	const char *selColorFg, *selColorBg;
+	const char *codeColorFg, *codeColorBg;
+} defaultPercentTreeColors = {
+	"red",       "lightgray",
+	"green",     "lightgray",
+	"black",     "lightgray",
+	"lightgray", "magenta",
+	"blue",	     "lightgray",
+};
+
+void ui_browser__init(void)
+{
+	struct newtPercentTreeColors *c = &defaultPercentTreeColors;
+
+	sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
+	sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
+	sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);
+	sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);
+	sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);
+}
diff --git a/tools/perf/util/ui/browser.h b/tools/perf/util/ui/browser.h
new file mode 100644
index 00000000..0b9f8292
--- /dev/null
+++ b/tools/perf/util/ui/browser.h
@@ -0,0 +1,46 @@
+#ifndef _PERF_UI_BROWSER_H_
+#define _PERF_UI_BROWSER_H_ 1
+
+#include <stdbool.h>
+#include <newt.h>
+#include <sys/types.h>
+#include "../types.h"
+
+#define HE_COLORSET_TOP		50
+#define HE_COLORSET_MEDIUM	51
+#define HE_COLORSET_NORMAL	52
+#define HE_COLORSET_SELECTED	53
+#define HE_COLORSET_CODE	54
+
+struct ui_browser {
+	newtComponent form, sb;
+	u64	      index, top_idx;
+	void	      *top, *entries;
+	u16	      y, x, width, height;
+	void	      *priv;
+	unsigned int  (*refresh)(struct ui_browser *self);
+	void	      (*write)(struct ui_browser *self, void *entry, int row);
+	void	      (*seek)(struct ui_browser *self, off_t offset, int whence);
+	u32	      nr_entries;
+};
+
+
+int ui_browser__percent_color(double percent, bool current);
+bool ui_browser__is_current_entry(struct ui_browser *self, unsigned row);
+void ui_browser__refresh_dimensions(struct ui_browser *self);
+void ui_browser__reset_index(struct ui_browser *self);
+
+int ui_browser__show(struct ui_browser *self, const char *title,
+		     const char *helpline, ...);
+void ui_browser__hide(struct ui_browser *self);
+int ui_browser__refresh(struct ui_browser *self);
+int ui_browser__run(struct ui_browser *self, struct newtExitStruct *es);
+
+void ui_browser__rb_tree_seek(struct ui_browser *self, off_t offset, int whence);
+unsigned int ui_browser__rb_tree_refresh(struct ui_browser *self);
+
+void ui_browser__list_head_seek(struct ui_browser *self, off_t offset, int whence);
+unsigned int ui_browser__list_head_refresh(struct ui_browser *self);
+
+void ui_browser__init(void);
+#endif /* _PERF_UI_BROWSER_H_ */
diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c
new file mode 100644
index 00000000..a90273e6
--- /dev/null
+++ b/tools/perf/util/ui/browsers/annotate.c
@@ -0,0 +1,241 @@
+#include "../browser.h"
+#include "../helpline.h"
+#include "../libslang.h"
+#include "../../hist.h"
+#include "../../sort.h"
+#include "../../symbol.h"
+
+static void ui__error_window(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
+	va_end(ap);
+}
+
+struct annotate_browser {
+	struct ui_browser b;
+	struct rb_root	  entries;
+	struct rb_node	  *curr_hot;
+};
+
+struct objdump_line_rb_node {
+	struct rb_node	rb_node;
+	double		percent;
+	u32		idx;
+};
+
+static inline
+struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
+{
+	return (struct objdump_line_rb_node *)(self + 1);
+}
+
+static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
+{
+	struct objdump_line *ol = rb_entry(entry, struct objdump_line, node);
+	bool current_entry = ui_browser__is_current_entry(self, row);
+	int width = self->width;
+
+	if (ol->offset != -1) {
+		struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
+		int color = ui_browser__percent_color(olrb->percent, current_entry);
+		SLsmg_set_color(color);
+		slsmg_printf(" %7.2f ", olrb->percent);
+		if (!current_entry)
+			SLsmg_set_color(HE_COLORSET_CODE);
+	} else {
+		int color = ui_browser__percent_color(0, current_entry);
+		SLsmg_set_color(color);
+		slsmg_write_nstring(" ", 9);
+	}
+
+	SLsmg_write_char(':');
+	slsmg_write_nstring(" ", 8);
+	if (!*ol->line)
+		slsmg_write_nstring(" ", width - 18);
+	else
+		slsmg_write_nstring(ol->line, width - 18);
+}
+
+static double objdump_line__calc_percent(struct objdump_line *self,
+					 struct list_head *head,
+					 struct symbol *sym)
+{
+	double percent = 0.0;
+
+	if (self->offset != -1) {
+		int len = sym->end - sym->start;
+		unsigned int hits = 0;
+		struct sym_priv *priv = symbol__priv(sym);
+		struct sym_ext *sym_ext = priv->ext;
+		struct sym_hist *h = priv->hist;
+		s64 offset = self->offset;
+		struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+
+		while (offset < (s64)len &&
+		       (next == NULL || offset < next->offset)) {
+			if (sym_ext) {
+				percent += sym_ext[offset].percent;
+			} else
+				hits += h->ip[offset];
+
+			++offset;
+		}
+
+		if (sym_ext == NULL && h->sum)
+			percent = 100.0 * hits / h->sum;
+	}
+
+	return percent;
+}
+
+static void objdump__insert_line(struct rb_root *self,
+				 struct objdump_line_rb_node *line)
+{
+	struct rb_node **p = &self->rb_node;
+	struct rb_node *parent = NULL;
+	struct objdump_line_rb_node *l;
+
+	while (*p != NULL) {
+		parent = *p;
+		l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
+		if (line->percent < l->percent)
+			p = &(*p)->rb_left;
+		else
+			p = &(*p)->rb_right;
+	}
+	rb_link_node(&line->rb_node, parent, p);
+	rb_insert_color(&line->rb_node, self);
+}
+
+static void annotate_browser__set_top(struct annotate_browser *self,
+				      struct rb_node *nd)
+{
+	struct objdump_line_rb_node *rbpos;
+	struct objdump_line *pos;
+	unsigned back;
+
+	ui_browser__refresh_dimensions(&self->b);
+	back = self->b.height / 2;
+	rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
+	pos = ((struct objdump_line *)rbpos) - 1;
+	self->b.top_idx = self->b.index = rbpos->idx;
+
+	while (self->b.top_idx != 0 && back != 0) {
+		pos = list_entry(pos->node.prev, struct objdump_line, node);
+
+		--self->b.top_idx;
+		--back;
+	}
+
+	self->b.top = pos;
+	self->curr_hot = nd;
+}
+
+static int annotate_browser__run(struct annotate_browser *self,
+				 struct newtExitStruct *es)
+{
+	struct rb_node *nd;
+	struct hist_entry *he = self->b.priv;
+
+	if (ui_browser__show(&self->b, he->ms.sym->name,
+			     "<- or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
+		return -1;
+
+	newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
+	newtFormAddHotKey(self->b.form, NEWT_KEY_RIGHT);
+
+	nd = self->curr_hot;
+	if (nd) {
+		newtFormAddHotKey(self->b.form, NEWT_KEY_TAB);
+		newtFormAddHotKey(self->b.form, NEWT_KEY_UNTAB);
+	}
+
+	while (1) {
+		ui_browser__run(&self->b, es);
+
+		if (es->reason != NEWT_EXIT_HOTKEY)
+			break;
+
+		switch (es->u.key) {
+		case NEWT_KEY_TAB:
+			nd = rb_prev(nd);
+			if (nd == NULL)
+				nd = rb_last(&self->entries);
+			annotate_browser__set_top(self, nd);
+			break;
+		case NEWT_KEY_UNTAB:
+			nd = rb_next(nd);
+			if (nd == NULL)
+				nd = rb_first(&self->entries);
+			annotate_browser__set_top(self, nd);
+			break;
+		default:
+			goto out;
+		}
+	}
+out:
+	ui_browser__hide(&self->b);
+	return es->u.key;
+}
+
+int hist_entry__tui_annotate(struct hist_entry *self)
+{
+	struct newtExitStruct es;
+	struct objdump_line *pos, *n;
+	struct objdump_line_rb_node *rbpos;
+	LIST_HEAD(head);
+	struct annotate_browser browser = {
+		.b = {
+			.entries = &head,
+			.refresh = ui_browser__list_head_refresh,
+			.seek	 = ui_browser__list_head_seek,
+			.write	 = annotate_browser__write,
+			.priv	 = self,
+		},
+	};
+	int ret;
+
+	if (self->ms.sym == NULL)
+		return -1;
+
+	if (self->ms.map->dso->annotate_warned)
+		return -1;
+
+	if (hist_entry__annotate(self, &head, sizeof(*rbpos)) < 0) {
+		ui__error_window(ui_helpline__last_msg);
+		return -1;
+	}
+
+	ui_helpline__push("Press <- or ESC to exit");
+
+	list_for_each_entry(pos, &head, node) {
+		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, &head, self->ms.sym);
+		if (rbpos->percent < 0.01)
+			continue;
+		objdump__insert_line(&browser.entries, rbpos);
+	}
+
+	/*
+	 * 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, &es);
+	list_for_each_entry_safe(pos, n, &head, node) {
+		list_del(&pos->node);
+		objdump_line__free(pos);
+	}
+	return ret;
+}
diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c
new file mode 100644
index 00000000..6866aa4c
--- /dev/null
+++ b/tools/perf/util/ui/browsers/hists.c
@@ -0,0 +1,948 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#undef _GNU_SOURCE
+#include "../libslang.h"
+#include <stdlib.h>
+#include <string.h>
+#include <newt.h>
+#include <linux/rbtree.h>
+
+#include "../../hist.h"
+#include "../../pstack.h"
+#include "../../sort.h"
+#include "../../util.h"
+
+#include "../browser.h"
+#include "../helpline.h"
+#include "../util.h"
+#include "map.h"
+
+struct hist_browser {
+	struct ui_browser   b;
+	struct hists	    *hists;
+	struct hist_entry   *he_selection;
+	struct map_symbol   *selection;
+};
+
+static void hist_browser__refresh_dimensions(struct hist_browser *self)
+{
+	/* 3 == +/- toggle symbol before actual hist_entry rendering */
+	self->b.width = 3 + (hists__sort_list_width(self->hists) +
+			     sizeof("[k]"));
+}
+
+static void hist_browser__reset(struct hist_browser *self)
+{
+	self->b.nr_entries = self->hists->nr_entries;
+	hist_browser__refresh_dimensions(self);
+	ui_browser__reset_index(&self->b);
+}
+
+static char tree__folded_sign(bool unfolded)
+{
+	return unfolded ? '-' : '+';
+}
+
+static char map_symbol__folded(const struct map_symbol *self)
+{
+	return self->has_children ? tree__folded_sign(self->unfolded) : ' ';
+}
+
+static char hist_entry__folded(const struct hist_entry *self)
+{
+	return map_symbol__folded(&self->ms);
+}
+
+static char callchain_list__folded(const struct callchain_list *self)
+{
+	return map_symbol__folded(&self->ms);
+}
+
+static int callchain_node__count_rows_rb_tree(struct callchain_node *self)
+{
+	int n = 0;
+	struct rb_node *nd;
+
+	for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+		struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
+		struct callchain_list *chain;
+		char folded_sign = ' '; /* No children */
+
+		list_for_each_entry(chain, &child->val, list) {
+			++n;
+			/* We need this because we may not have children */
+			folded_sign = callchain_list__folded(chain);
+			if (folded_sign == '+')
+				break;
+		}
+
+		if (folded_sign == '-') /* Have children and they're unfolded */
+			n += callchain_node__count_rows_rb_tree(child);
+	}
+
+	return n;
+}
+
+static int callchain_node__count_rows(struct callchain_node *node)
+{
+	struct callchain_list *chain;
+	bool unfolded = false;
+	int n = 0;
+
+	list_for_each_entry(chain, &node->val, list) {
+		++n;
+		unfolded = chain->ms.unfolded;
+	}
+
+	if (unfolded)
+		n += callchain_node__count_rows_rb_tree(node);
+
+	return n;
+}
+
+static int callchain__count_rows(struct rb_root *chain)
+{
+	struct rb_node *nd;
+	int n = 0;
+
+	for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
+		struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+		n += callchain_node__count_rows(node);
+	}
+
+	return n;
+}
+
+static bool map_symbol__toggle_fold(struct map_symbol *self)
+{
+	if (!self->has_children)
+		return false;
+
+	self->unfolded = !self->unfolded;
+	return true;
+}
+
+static void callchain_node__init_have_children_rb_tree(struct callchain_node *self)
+{
+	struct rb_node *nd = rb_first(&self->rb_root);
+
+	for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) {
+		struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node);
+		struct callchain_list *chain;
+		int first = true;
+
+		list_for_each_entry(chain, &child->val, list) {
+			if (first) {
+				first = false;
+				chain->ms.has_children = chain->list.next != &child->val ||
+							 rb_first(&child->rb_root) != NULL;
+			} else
+				chain->ms.has_children = chain->list.next == &child->val &&
+							 rb_first(&child->rb_root) != NULL;
+		}
+
+		callchain_node__init_have_children_rb_tree(child);
+	}
+}
+
+static void callchain_node__init_have_children(struct callchain_node *self)
+{
+	struct callchain_list *chain;
+
+	list_for_each_entry(chain, &self->val, list)
+		chain->ms.has_children = rb_first(&self->rb_root) != NULL;
+
+	callchain_node__init_have_children_rb_tree(self);
+}
+
+static void callchain__init_have_children(struct rb_root *self)
+{
+	struct rb_node *nd;
+
+	for (nd = rb_first(self); nd; nd = rb_next(nd)) {
+		struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+		callchain_node__init_have_children(node);
+	}
+}
+
+static void hist_entry__init_have_children(struct hist_entry *self)
+{
+	if (!self->init_have_children) {
+		callchain__init_have_children(&self->sorted_chain);
+		self->init_have_children = true;
+	}
+}
+
+static bool hist_browser__toggle_fold(struct hist_browser *self)
+{
+	if (map_symbol__toggle_fold(self->selection)) {
+		struct hist_entry *he = self->he_selection;
+
+		hist_entry__init_have_children(he);
+		self->hists->nr_entries -= he->nr_rows;
+
+		if (he->ms.unfolded)
+			he->nr_rows = callchain__count_rows(&he->sorted_chain);
+		else
+			he->nr_rows = 0;
+		self->hists->nr_entries += he->nr_rows;
+		self->b.nr_entries = self->hists->nr_entries;
+
+		return true;
+	}
+
+	/* If it doesn't have children, no toggling performed */
+	return false;
+}
+
+static int hist_browser__run(struct hist_browser *self, const char *title,
+			     struct newtExitStruct *es)
+{
+	char str[256], unit;
+	unsigned long nr_events = self->hists->stats.nr_events[PERF_RECORD_SAMPLE];
+
+	self->b.entries = &self->hists->entries;
+	self->b.nr_entries = self->hists->nr_entries;
+
+	hist_browser__refresh_dimensions(self);
+
+	nr_events = convert_unit(nr_events, &unit);
+	snprintf(str, sizeof(str), "Events: %lu%c                            ",
+		 nr_events, unit);
+	newtDrawRootText(0, 0, str);
+
+	if (ui_browser__show(&self->b, title,
+			     "Press '?' for help on key bindings") < 0)
+		return -1;
+
+	newtFormAddHotKey(self->b.form, 'a');
+	newtFormAddHotKey(self->b.form, '?');
+	newtFormAddHotKey(self->b.form, 'h');
+	newtFormAddHotKey(self->b.form, 'd');
+	newtFormAddHotKey(self->b.form, 'D');
+	newtFormAddHotKey(self->b.form, 't');
+
+	newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
+	newtFormAddHotKey(self->b.form, NEWT_KEY_RIGHT);
+	newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
+
+	while (1) {
+		ui_browser__run(&self->b, es);
+
+		if (es->reason != NEWT_EXIT_HOTKEY)
+			break;
+		switch (es->u.key) {
+		case 'D': { /* Debug */
+			static int seq;
+			struct hist_entry *h = rb_entry(self->b.top,
+							struct hist_entry, rb_node);
+			ui_helpline__pop();
+			ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d",
+					   seq++, self->b.nr_entries,
+					   self->hists->nr_entries,
+					   self->b.height,
+					   self->b.index,
+					   self->b.top_idx,
+					   h->row_offset, h->nr_rows);
+		}
+			continue;
+		case NEWT_KEY_ENTER:
+			if (hist_browser__toggle_fold(self))
+				break;
+			/* fall thru */
+		default:
+			return 0;
+		}
+	}
+
+	ui_browser__hide(&self->b);
+	return 0;
+}
+
+static char *callchain_list__sym_name(struct callchain_list *self,
+				      char *bf, size_t bfsize)
+{
+	if (self->ms.sym)
+		return self->ms.sym->name;
+
+	snprintf(bf, bfsize, "%#Lx", self->ip);
+	return bf;
+}
+
+#define LEVEL_OFFSET_STEP 3
+
+static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self,
+						     struct callchain_node *chain_node,
+						     u64 total, int level,
+						     unsigned short row,
+						     off_t *row_offset,
+						     bool *is_current_entry)
+{
+	struct rb_node *node;
+	int first_row = row, width, offset = level * LEVEL_OFFSET_STEP;
+	u64 new_total, remaining;
+
+	if (callchain_param.mode == CHAIN_GRAPH_REL)
+		new_total = chain_node->children_hit;
+	else
+		new_total = total;
+
+	remaining = new_total;
+	node = rb_first(&chain_node->rb_root);
+	while (node) {
+		struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
+		struct rb_node *next = rb_next(node);
+		u64 cumul = cumul_hits(child);
+		struct callchain_list *chain;
+		char folded_sign = ' ';
+		int first = true;
+		int extra_offset = 0;
+
+		remaining -= cumul;
+
+		list_for_each_entry(chain, &child->val, list) {
+			char ipstr[BITS_PER_LONG / 4 + 1], *alloc_str;
+			const char *str;
+			int color;
+			bool was_first = first;
+
+			if (first) {
+				first = false;
+				chain->ms.has_children = chain->list.next != &child->val ||
+							 rb_first(&child->rb_root) != NULL;
+			} else {
+				extra_offset = LEVEL_OFFSET_STEP;
+				chain->ms.has_children = chain->list.next == &child->val &&
+							 rb_first(&child->rb_root) != NULL;
+			}
+
+			folded_sign = callchain_list__folded(chain);
+			if (*row_offset != 0) {
+				--*row_offset;
+				goto do_next;
+			}
+
+			alloc_str = NULL;
+			str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
+			if (was_first) {
+				double percent = cumul * 100.0 / new_total;
+
+				if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0)
+					str = "Not enough memory!";
+				else
+					str = alloc_str;
+			}
+
+			color = HE_COLORSET_NORMAL;
+			width = self->b.width - (offset + extra_offset + 2);
+			if (ui_browser__is_current_entry(&self->b, row)) {
+				self->selection = &chain->ms;
+				color = HE_COLORSET_SELECTED;
+				*is_current_entry = true;
+			}
+
+			SLsmg_set_color(color);
+			SLsmg_gotorc(self->b.y + row, self->b.x);
+			slsmg_write_nstring(" ", offset + extra_offset);
+			slsmg_printf("%c ", folded_sign);
+			slsmg_write_nstring(str, width);
+			free(alloc_str);
+
+			if (++row == self->b.height)
+				goto out;
+do_next:
+			if (folded_sign == '+')
+				break;
+		}
+
+		if (folded_sign == '-') {
+			const int new_level = level + (extra_offset ? 2 : 1);
+			row += hist_browser__show_callchain_node_rb_tree(self, child, new_total,
+									 new_level, row, row_offset,
+									 is_current_entry);
+		}
+		if (row == self->b.height)
+			goto out;
+		node = next;
+	}
+out:
+	return row - first_row;
+}
+
+static int hist_browser__show_callchain_node(struct hist_browser *self,
+					     struct callchain_node *node,
+					     int level, unsigned short row,
+					     off_t *row_offset,
+					     bool *is_current_entry)
+{
+	struct callchain_list *chain;
+	int first_row = row,
+	     offset = level * LEVEL_OFFSET_STEP,
+	     width = self->b.width - offset;
+	char folded_sign = ' ';
+
+	list_for_each_entry(chain, &node->val, list) {
+		char ipstr[BITS_PER_LONG / 4 + 1], *s;
+		int color;
+		/*
+		 * FIXME: This should be moved to somewhere else,
+		 * probably when the callchain is created, so as not to
+		 * traverse it all over again
+		 */
+		chain->ms.has_children = rb_first(&node->rb_root) != NULL;
+		folded_sign = callchain_list__folded(chain);
+
+		if (*row_offset != 0) {
+			--*row_offset;
+			continue;
+		}
+
+		color = HE_COLORSET_NORMAL;
+		if (ui_browser__is_current_entry(&self->b, row)) {
+			self->selection = &chain->ms;
+			color = HE_COLORSET_SELECTED;
+			*is_current_entry = true;
+		}
+
+		s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
+		SLsmg_gotorc(self->b.y + row, self->b.x);
+		SLsmg_set_color(color);
+		slsmg_write_nstring(" ", offset);
+		slsmg_printf("%c ", folded_sign);
+		slsmg_write_nstring(s, width - 2);
+
+		if (++row == self->b.height)
+			goto out;
+	}
+
+	if (folded_sign == '-')
+		row += hist_browser__show_callchain_node_rb_tree(self, node,
+								 self->hists->stats.total_period,
+								 level + 1, row,
+								 row_offset,
+								 is_current_entry);
+out:
+	return row - first_row;
+}
+
+static int hist_browser__show_callchain(struct hist_browser *self,
+					struct rb_root *chain,
+					int level, unsigned short row,
+					off_t *row_offset,
+					bool *is_current_entry)
+{
+	struct rb_node *nd;
+	int first_row = row;
+
+	for (nd = rb_first(chain); nd; nd = rb_next(nd)) {
+		struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node);
+
+		row += hist_browser__show_callchain_node(self, node, level,
+							 row, row_offset,
+							 is_current_entry);
+		if (row == self->b.height)
+			break;
+	}
+
+	return row - first_row;
+}
+
+static int hist_browser__show_entry(struct hist_browser *self,
+				    struct hist_entry *entry,
+				    unsigned short row)
+{
+	char s[256];
+	double percent;
+	int printed = 0;
+	int color, width = self->b.width;
+	char folded_sign = ' ';
+	bool current_entry = ui_browser__is_current_entry(&self->b, row);
+	off_t row_offset = entry->row_offset;
+
+	if (current_entry) {
+		self->he_selection = entry;
+		self->selection = &entry->ms;
+	}
+
+	if (symbol_conf.use_callchain) {
+		entry->ms.has_children = !RB_EMPTY_ROOT(&entry->sorted_chain);
+		folded_sign = hist_entry__folded(entry);
+	}
+
+	if (row_offset == 0) {
+		hist_entry__snprintf(entry, s, sizeof(s), self->hists, NULL, false,
+				     0, false, self->hists->stats.total_period);
+		percent = (entry->period * 100.0) / self->hists->stats.total_period;
+
+		color = HE_COLORSET_SELECTED;
+		if (!current_entry) {
+			if (percent >= MIN_RED)
+				color = HE_COLORSET_TOP;
+			else if (percent >= MIN_GREEN)
+				color = HE_COLORSET_MEDIUM;
+			else
+				color = HE_COLORSET_NORMAL;
+		}
+
+		SLsmg_set_color(color);
+		SLsmg_gotorc(self->b.y + row, self->b.x);
+		if (symbol_conf.use_callchain) {
+			slsmg_printf("%c ", folded_sign);
+			width -= 2;
+		}
+		slsmg_write_nstring(s, width);
+		++row;
+		++printed;
+	} else
+		--row_offset;
+
+	if (folded_sign == '-' && row != self->b.height) {
+		printed += hist_browser__show_callchain(self, &entry->sorted_chain,
+							1, row, &row_offset,
+							&current_entry);
+		if (current_entry)
+			self->he_selection = entry;
+	}
+
+	return printed;
+}
+
+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);
+
+	for (nd = self->top; nd; nd = rb_next(nd)) {
+		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+
+		if (h->filtered)
+			continue;
+
+		row += hist_browser__show_entry(hb, h, row);
+		if (row == self->height)
+			break;
+	}
+
+	return row;
+}
+
+static struct rb_node *hists__filter_entries(struct rb_node *nd)
+{
+	while (nd != NULL) {
+		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+		if (!h->filtered)
+			return nd;
+
+		nd = rb_next(nd);
+	}
+
+	return NULL;
+}
+
+static struct rb_node *hists__filter_prev_entries(struct rb_node *nd)
+{
+	while (nd != NULL) {
+		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
+		if (!h->filtered)
+			return nd;
+
+		nd = rb_prev(nd);
+	}
+
+	return NULL;
+}
+
+static void ui_browser__hists_seek(struct ui_browser *self,
+				   off_t offset, int whence)
+{
+	struct hist_entry *h;
+	struct rb_node *nd;
+	bool first = true;
+
+	switch (whence) {
+	case SEEK_SET:
+		nd = hists__filter_entries(rb_first(self->entries));
+		break;
+	case SEEK_CUR:
+		nd = self->top;
+		goto do_offset;
+	case SEEK_END:
+		nd = hists__filter_prev_entries(rb_last(self->entries));
+		first = false;
+		break;
+	default:
+		return;
+	}
+
+	/*
+	 * Moves not relative to the first visible entry invalidates its
+	 * row_offset:
+	 */
+	h = rb_entry(self->top, struct hist_entry, rb_node);
+	h->row_offset = 0;
+
+	/*
+	 * Here we have to check if nd is expanded (+), if it is we can't go
+	 * the next top level hist_entry, instead we must compute an offset of
+	 * what _not_ to show and not change the first visible entry.
+	 *
+	 * This offset increments when we are going from top to bottom and
+	 * decreases when we're going from bottom to top.
+	 *
+	 * As we don't have backpointers to the top level in the callchains
+	 * structure, we need to always print the whole hist_entry callchain,
+	 * skipping the first ones that are before the first visible entry
+	 * and stop when we printed enough lines to fill the screen.
+	 */
+do_offset:
+	if (offset > 0) {
+		do {
+			h = rb_entry(nd, struct hist_entry, rb_node);
+			if (h->ms.unfolded) {
+				u16 remaining = h->nr_rows - h->row_offset;
+				if (offset > remaining) {
+					offset -= remaining;
+					h->row_offset = 0;
+				} else {
+					h->row_offset += offset;
+					offset = 0;
+					self->top = nd;
+					break;
+				}
+			}
+			nd = hists__filter_entries(rb_next(nd));
+			if (nd == NULL)
+				break;
+			--offset;
+			self->top = nd;
+		} while (offset != 0);
+	} else if (offset < 0) {
+		while (1) {
+			h = rb_entry(nd, struct hist_entry, rb_node);
+			if (h->ms.unfolded) {
+				if (first) {
+					if (-offset > h->row_offset) {
+						offset += h->row_offset;
+						h->row_offset = 0;
+					} else {
+						h->row_offset += offset;
+						offset = 0;
+						self->top = nd;
+						break;
+					}
+				} else {
+					if (-offset > h->nr_rows) {
+						offset += h->nr_rows;
+						h->row_offset = 0;
+					} else {
+						h->row_offset = h->nr_rows + offset;
+						offset = 0;
+						self->top = nd;
+						break;
+					}
+				}
+			}
+
+			nd = hists__filter_prev_entries(rb_prev(nd));
+			if (nd == NULL)
+				break;
+			++offset;
+			self->top = nd;
+			if (offset == 0) {
+				/*
+				 * Last unfiltered hist_entry, check if it is
+				 * unfolded, if it is then we should have
+				 * row_offset at its last entry.
+				 */
+				h = rb_entry(nd, struct hist_entry, rb_node);
+				if (h->ms.unfolded)
+					h->row_offset = h->nr_rows;
+				break;
+			}
+			first = false;
+		}
+	} else {
+		self->top = nd;
+		h = rb_entry(nd, struct hist_entry, rb_node);
+		h->row_offset = 0;
+	}
+}
+
+static struct hist_browser *hist_browser__new(struct hists *hists)
+{
+	struct hist_browser *self = zalloc(sizeof(*self));
+
+	if (self) {
+		self->hists = hists;
+		self->b.refresh = hist_browser__refresh;
+		self->b.seek = ui_browser__hists_seek;
+	}
+
+	return self;
+}
+
+static void hist_browser__delete(struct hist_browser *self)
+{
+	newtFormDestroy(self->b.form);
+	newtPopWindow();
+	free(self);
+}
+
+static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
+{
+	return self->he_selection;
+}
+
+static struct thread *hist_browser__selected_thread(struct hist_browser *self)
+{
+	return self->he_selection->thread;
+}
+
+static int hist_browser__title(char *bf, size_t size, const char *ev_name,
+			       const struct dso *dso, const struct thread *thread)
+{
+	int printed = 0;
+
+	if (thread)
+		printed += snprintf(bf + printed, size - printed,
+				    "Thread: %s(%d)",
+				    (thread->comm_set ?  thread->comm : ""),
+				    thread->pid);
+	if (dso)
+		printed += snprintf(bf + printed, size - printed,
+				    "%sDSO: %s", thread ? " " : "",
+				    dso->short_name);
+	return printed ?: snprintf(bf, size, "Event: %s", ev_name);
+}
+
+int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
+{
+	struct hist_browser *browser = hist_browser__new(self);
+	struct pstack *fstack;
+	const struct thread *thread_filter = NULL;
+	const struct dso *dso_filter = NULL;
+	struct newtExitStruct es;
+	char msg[160];
+	int key = -1;
+
+	if (browser == NULL)
+		return -1;
+
+	fstack = pstack__new(2);
+	if (fstack == NULL)
+		goto out;
+
+	ui_helpline__push(helpline);
+
+	hist_browser__title(msg, sizeof(msg), ev_name,
+			    dso_filter, thread_filter);
+
+	while (1) {
+		const struct thread *thread;
+		const struct dso *dso;
+		char *options[16];
+		int nr_options = 0, choice = 0, i,
+		    annotate = -2, zoom_dso = -2, zoom_thread = -2,
+		    browse_map = -2;
+
+		if (hist_browser__run(browser, msg, &es))
+			break;
+
+		thread = hist_browser__selected_thread(browser);
+		dso = browser->selection->map ? browser->selection->map->dso : NULL;
+
+		if (es.reason == NEWT_EXIT_HOTKEY) {
+			key = es.u.key;
+
+			switch (key) {
+			case NEWT_KEY_F1:
+				goto do_help;
+			case NEWT_KEY_TAB:
+			case NEWT_KEY_UNTAB:
+				/*
+				 * Exit the browser, let hists__browser_tree
+				 * go to the next or previous
+				 */
+				goto out_free_stack;
+			default:;
+			}
+
+			switch (key) {
+			case 'a':
+				if (browser->selection->map == NULL ||
+				    browser->selection->map->dso->annotate_warned)
+					continue;
+				goto do_annotate;
+			case 'd':
+				goto zoom_dso;
+			case 't':
+				goto zoom_thread;
+			case 'h':
+			case '?':
+do_help:
+				ui__help_window("->        Zoom into DSO/Threads & Annotate current symbol\n"
+						"<-        Zoom out\n"
+						"a         Annotate current symbol\n"
+						"h/?/F1    Show this window\n"
+						"d         Zoom into current DSO\n"
+						"t         Zoom into current Thread\n"
+						"q/CTRL+C  Exit browser");
+				continue;
+			default:;
+			}
+			if (is_exit_key(key)) {
+				if (key == NEWT_KEY_ESCAPE &&
+				    !ui__dialog_yesno("Do you really want to exit?"))
+					continue;
+				break;
+			}
+
+			if (es.u.key == NEWT_KEY_LEFT) {
+				const void *top;
+
+				if (pstack__empty(fstack))
+					continue;
+				top = pstack__pop(fstack);
+				if (top == &dso_filter)
+					goto zoom_out_dso;
+				if (top == &thread_filter)
+					goto zoom_out_thread;
+				continue;
+			}
+		}
+
+		if (browser->selection->sym != NULL &&
+		    !browser->selection->map->dso->annotate_warned &&
+		    asprintf(&options[nr_options], "Annotate %s",
+			     browser->selection->sym->name) > 0)
+			annotate = nr_options++;
+
+		if (thread != NULL &&
+		    asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
+			     (thread_filter ? "out of" : "into"),
+			     (thread->comm_set ? thread->comm : ""),
+			     thread->pid) > 0)
+			zoom_thread = nr_options++;
+
+		if (dso != NULL &&
+		    asprintf(&options[nr_options], "Zoom %s %s DSO",
+			     (dso_filter ? "out of" : "into"),
+			     (dso->kernel ? "the Kernel" : dso->short_name)) > 0)
+			zoom_dso = nr_options++;
+
+		if (browser->selection->map != NULL &&
+		    asprintf(&options[nr_options], "Browse map details") > 0)
+			browse_map = nr_options++;
+
+		options[nr_options++] = (char *)"Exit";
+
+		choice = ui__popup_menu(nr_options, options);
+
+		for (i = 0; i < nr_options - 1; ++i)
+			free(options[i]);
+
+		if (choice == nr_options - 1)
+			break;
+
+		if (choice == -1)
+			continue;
+
+		if (choice == annotate) {
+			struct hist_entry *he;
+do_annotate:
+			if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
+				browser->selection->map->dso->annotate_warned = 1;
+				ui_helpline__puts("No vmlinux file found, can't "
+						 "annotate with just a "
+						 "kallsyms file");
+				continue;
+			}
+
+			he = hist_browser__selected_entry(browser);
+			if (he == NULL)
+				continue;
+
+			hist_entry__tui_annotate(he);
+		} else if (choice == browse_map)
+			map__browse(browser->selection->map);
+		else if (choice == zoom_dso) {
+zoom_dso:
+			if (dso_filter) {
+				pstack__remove(fstack, &dso_filter);
+zoom_out_dso:
+				ui_helpline__pop();
+				dso_filter = NULL;
+			} else {
+				if (dso == NULL)
+					continue;
+				ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
+						   dso->kernel ? "the Kernel" : dso->short_name);
+				dso_filter = dso;
+				pstack__push(fstack, &dso_filter);
+			}
+			hists__filter_by_dso(self, dso_filter);
+			hist_browser__title(msg, sizeof(msg), ev_name,
+					    dso_filter, thread_filter);
+			hist_browser__reset(browser);
+		} else if (choice == zoom_thread) {
+zoom_thread:
+			if (thread_filter) {
+				pstack__remove(fstack, &thread_filter);
+zoom_out_thread:
+				ui_helpline__pop();
+				thread_filter = NULL;
+			} else {
+				ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
+						   thread->comm_set ? thread->comm : "",
+						   thread->pid);
+				thread_filter = thread;
+				pstack__push(fstack, &thread_filter);
+			}
+			hists__filter_by_thread(self, thread_filter);
+			hist_browser__title(msg, sizeof(msg), ev_name,
+					    dso_filter, thread_filter);
+			hist_browser__reset(browser);
+		}
+	}
+out_free_stack:
+	pstack__delete(fstack);
+out:
+	hist_browser__delete(browser);
+	return key;
+}
+
+int hists__tui_browse_tree(struct rb_root *self, const char *help)
+{
+	struct rb_node *first = rb_first(self), *nd = first, *next;
+	int key = 0;
+
+	while (nd) {
+		struct hists *hists = rb_entry(nd, struct hists, rb_node);
+		const char *ev_name = __event_name(hists->type, hists->config);
+
+		key = hists__browse(hists, help, ev_name);
+
+		if (is_exit_key(key))
+			break;
+
+		switch (key) {
+		case NEWT_KEY_TAB:
+			next = rb_next(nd);
+			if (next)
+				nd = next;
+			break;
+		case NEWT_KEY_UNTAB:
+			if (nd == first)
+				continue;
+			nd = rb_prev(nd);
+		default:
+			break;
+		}
+	}
+
+	return key;
+}
diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
new file mode 100644
index 00000000..142b825b
--- /dev/null
+++ b/tools/perf/util/ui/browsers/map.c
@@ -0,0 +1,161 @@
+#include "../libslang.h"
+#include <elf.h>
+#include <newt.h>
+#include <sys/ttydefaults.h>
+#include <ctype.h>
+#include <string.h>
+#include <linux/bitops.h>
+#include "../../debug.h"
+#include "../../symbol.h"
+#include "../browser.h"
+#include "../helpline.h"
+#include "map.h"
+
+static int ui_entry__read(const char *title, char *bf, size_t size, int width)
+{
+	struct newtExitStruct es;
+	newtComponent form, entry;
+	const char *result;
+	int err = -1;
+
+	newtCenteredWindow(width, 1, title);
+	form = newtForm(NULL, NULL, 0);
+	if (form == NULL)
+		return -1;
+
+	entry = newtEntry(0, 0, "0x", width, &result, NEWT_FLAG_SCROLL);
+	if (entry == NULL)
+		goto out_free_form;
+
+	newtFormAddComponent(form, entry);
+	newtFormAddHotKey(form, NEWT_KEY_ENTER);
+	newtFormAddHotKey(form, NEWT_KEY_ESCAPE);
+	newtFormAddHotKey(form, NEWT_KEY_LEFT);
+	newtFormAddHotKey(form, CTRL('c'));
+	newtFormRun(form, &es);
+
+	if (result != NULL) {
+		strncpy(bf, result, size);
+		err = 0;
+	}
+out_free_form:
+	newtPopWindow();
+	newtFormDestroy(form);
+	return 0;
+}
+
+struct map_browser {
+	struct ui_browser b;
+	struct map	  *map;
+	u16		  namelen;
+	u8		  addrlen;
+};
+
+static void map_browser__write(struct ui_browser *self, void *nd, int row)
+{
+	struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
+	struct map_browser *mb = container_of(self, struct map_browser, b);
+	bool current_entry = ui_browser__is_current_entry(self, row);
+	int color = ui_browser__percent_color(0, current_entry);
+
+	SLsmg_set_color(color);
+	slsmg_printf("%*llx %*llx %c ",
+		     mb->addrlen, sym->start, mb->addrlen, sym->end,
+		     sym->binding == STB_GLOBAL ? 'g' :
+		     sym->binding == STB_LOCAL  ? 'l' : 'w');
+	slsmg_write_nstring(sym->name, mb->namelen);
+}
+
+/* FIXME uber-kludgy, see comment on cmd_report... */
+static u32 *symbol__browser_index(struct symbol *self)
+{
+	return ((void *)self) - sizeof(struct rb_node) - sizeof(u32);
+}
+
+static int map_browser__search(struct map_browser *self)
+{
+	char target[512];
+	struct symbol *sym;
+	int err = ui_entry__read("Search by name/addr", target, sizeof(target), 40);
+
+	if (err)
+		return err;
+
+	if (target[0] == '0' && tolower(target[1]) == 'x') {
+		u64 addr = strtoull(target, NULL, 16);
+		sym = map__find_symbol(self->map, addr, NULL);
+	} else
+		sym = map__find_symbol_by_name(self->map, target, NULL);
+
+	if (sym != NULL) {
+		u32 *idx = symbol__browser_index(sym);
+
+		self->b.top = &sym->rb_node;
+		self->b.index = self->b.top_idx = *idx;
+	} else
+		ui_helpline__fpush("%s not found!", target);
+
+	return 0;
+}
+
+static int map_browser__run(struct map_browser *self, struct newtExitStruct *es)
+{
+	if (ui_browser__show(&self->b, self->map->dso->long_name,
+			     "Press <- or ESC to exit, %s / to search",
+			     verbose ? "" : "restart with -v to use") < 0)
+		return -1;
+
+	newtFormAddHotKey(self->b.form, NEWT_KEY_LEFT);
+	newtFormAddHotKey(self->b.form, NEWT_KEY_ENTER);
+	if (verbose)
+		newtFormAddHotKey(self->b.form, '/');
+
+	while (1) {
+		ui_browser__run(&self->b, es);
+
+		if (es->reason != NEWT_EXIT_HOTKEY)
+			break;
+		if (verbose && es->u.key == '/')
+			map_browser__search(self);
+		else
+			break;
+	}
+
+	ui_browser__hide(&self->b);
+	return 0;
+}
+
+int map__browse(struct map *self)
+{
+	struct map_browser mb = {
+		.b = {
+			.entries = &self->dso->symbols[self->type],
+			.refresh = ui_browser__rb_tree_refresh,
+			.seek	 = ui_browser__rb_tree_seek,
+			.write	 = map_browser__write,
+		},
+		.map = self,
+	};
+	struct newtExitStruct es;
+	struct rb_node *nd;
+	char tmp[BITS_PER_LONG / 4];
+	u64 maxaddr = 0;
+
+	for (nd = rb_first(mb.b.entries); nd; nd = rb_next(nd)) {
+		struct symbol *pos = rb_entry(nd, struct symbol, rb_node);
+
+		if (mb.namelen < pos->namelen)
+			mb.namelen = pos->namelen;
+		if (maxaddr < pos->end)
+			maxaddr = pos->end;
+		if (verbose) {
+			u32 *idx = symbol__browser_index(pos);
+			*idx = mb.b.nr_entries;
+		}
+		++mb.b.nr_entries;
+	}
+
+	mb.addrlen = snprintf(tmp, sizeof(tmp), "%llx", maxaddr);
+	mb.b.width += mb.addrlen * 2 + 4 + mb.namelen;
+	return map_browser__run(&mb, &es);
+}
diff --git a/tools/perf/util/ui/browsers/map.h b/tools/perf/util/ui/browsers/map.h
new file mode 100644
index 00000000..df8581a4
--- /dev/null
+++ b/tools/perf/util/ui/browsers/map.h
@@ -0,0 +1,6 @@
+#ifndef _PERF_UI_MAP_BROWSER_H_
+#define _PERF_UI_MAP_BROWSER_H_ 1
+struct map;
+
+int map__browse(struct map *self);
+#endif /* _PERF_UI_MAP_BROWSER_H_ */
diff --git a/tools/perf/util/ui/helpline.c b/tools/perf/util/ui/helpline.c
new file mode 100644
index 00000000..8d79daa4
--- /dev/null
+++ b/tools/perf/util/ui/helpline.c
@@ -0,0 +1,69 @@
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <newt.h>
+
+#include "../debug.h"
+#include "helpline.h"
+
+void ui_helpline__pop(void)
+{
+	newtPopHelpLine();
+}
+
+void ui_helpline__push(const char *msg)
+{
+	newtPushHelpLine(msg);
+}
+
+void ui_helpline__vpush(const char *fmt, va_list ap)
+{
+	char *s;
+
+	if (vasprintf(&s, fmt, ap) < 0)
+		vfprintf(stderr, fmt, ap);
+	else {
+		ui_helpline__push(s);
+		free(s);
+	}
+}
+
+void ui_helpline__fpush(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	ui_helpline__vpush(fmt, ap);
+	va_end(ap);
+}
+
+void ui_helpline__puts(const char *msg)
+{
+	ui_helpline__pop();
+	ui_helpline__push(msg);
+}
+
+void ui_helpline__init(void)
+{
+	ui_helpline__puts(" ");
+}
+
+char ui_helpline__last_msg[1024];
+
+int ui_helpline__show_help(const char *format, va_list ap)
+{
+	int ret;
+	static int backlog;
+
+        ret = vsnprintf(ui_helpline__last_msg + backlog,
+			sizeof(ui_helpline__last_msg) - backlog, format, ap);
+	backlog += ret;
+
+	if (ui_helpline__last_msg[backlog - 1] == '\n') {
+		ui_helpline__puts(ui_helpline__last_msg);
+		newtRefresh();
+		backlog = 0;
+	}
+
+	return ret;
+}
diff --git a/tools/perf/util/ui/helpline.h b/tools/perf/util/ui/helpline.h
new file mode 100644
index 00000000..ab6028d0
--- /dev/null
+++ b/tools/perf/util/ui/helpline.h
@@ -0,0 +1,11 @@
+#ifndef _PERF_UI_HELPLINE_H_
+#define _PERF_UI_HELPLINE_H_ 1
+
+void ui_helpline__init(void);
+void ui_helpline__pop(void);
+void ui_helpline__push(const char *msg);
+void ui_helpline__vpush(const char *fmt, va_list ap);
+void ui_helpline__fpush(const char *fmt, ...);
+void ui_helpline__puts(const char *msg);
+
+#endif /* _PERF_UI_HELPLINE_H_ */
diff --git a/tools/perf/util/ui/libslang.h b/tools/perf/util/ui/libslang.h
new file mode 100644
index 00000000..5623da8e
--- /dev/null
+++ b/tools/perf/util/ui/libslang.h
@@ -0,0 +1,27 @@
+#ifndef _PERF_UI_SLANG_H_
+#define _PERF_UI_SLANG_H_ 1
+/*
+ * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
+ * the build if it isn't defined. Use the equivalent one that glibc
+ * has on features.h.
+ */
+#include <features.h>
+#ifndef HAVE_LONG_LONG
+#define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
+#endif
+#include <slang.h>
+
+#if SLANG_VERSION < 20104
+#define slsmg_printf(msg, args...) \
+	SLsmg_printf((char *)msg, ##args)
+#define slsmg_write_nstring(msg, len) \
+	SLsmg_write_nstring((char *)msg, len)
+#define sltt_set_color(obj, name, fg, bg) \
+	SLtt_set_color(obj,(char *)name, (char *)fg, (char *)bg)
+#else
+#define slsmg_printf SLsmg_printf
+#define slsmg_write_nstring SLsmg_write_nstring
+#define sltt_set_color SLtt_set_color
+#endif
+
+#endif /* _PERF_UI_SLANG_H_ */
diff --git a/tools/perf/util/ui/progress.c b/tools/perf/util/ui/progress.c
new file mode 100644
index 00000000..d7fc399d
--- /dev/null
+++ b/tools/perf/util/ui/progress.c
@@ -0,0 +1,60 @@
+#include <stdlib.h>
+#include <newt.h>
+#include "../cache.h"
+#include "progress.h"
+
+struct ui_progress {
+	newtComponent form, scale;
+};
+
+struct ui_progress *ui_progress__new(const char *title, u64 total)
+{
+	struct ui_progress *self = malloc(sizeof(*self));
+
+	if (self != NULL) {
+		int cols;
+
+		if (use_browser <= 0)
+			return self;
+		newtGetScreenSize(&cols, NULL);
+		cols -= 4;
+		newtCenteredWindow(cols, 1, title);
+		self->form  = newtForm(NULL, NULL, 0);
+		if (self->form == NULL)
+			goto out_free_self;
+		self->scale = newtScale(0, 0, cols, total);
+		if (self->scale == NULL)
+			goto out_free_form;
+		newtFormAddComponent(self->form, self->scale);
+		newtRefresh();
+	}
+
+	return self;
+
+out_free_form:
+	newtFormDestroy(self->form);
+out_free_self:
+	free(self);
+	return NULL;
+}
+
+void ui_progress__update(struct ui_progress *self, u64 curr)
+{
+	/*
+	 * FIXME: We should have a per UI backend way of showing progress,
+	 * stdio will just show a percentage as NN%, etc.
+	 */
+	if (use_browser <= 0)
+		return;
+	newtScaleSet(self->scale, curr);
+	newtRefresh();
+}
+
+void ui_progress__delete(struct ui_progress *self)
+{
+	if (use_browser > 0) {
+		newtFormDestroy(self->form);
+		newtPopWindow();
+	}
+	free(self);
+}
diff --git a/tools/perf/util/ui/progress.h b/tools/perf/util/ui/progress.h
new file mode 100644
index 00000000..a3820a0b
--- /dev/null
+++ b/tools/perf/util/ui/progress.h
@@ -0,0 +1,11 @@
+#ifndef _PERF_UI_PROGRESS_H_
+#define _PERF_UI_PROGRESS_H_ 1
+
+struct ui_progress;
+
+struct ui_progress *ui_progress__new(const char *title, u64 total);
+void ui_progress__delete(struct ui_progress *self);
+
+void ui_progress__update(struct ui_progress *self, u64 curr);
+
+#endif
diff --git a/tools/perf/util/ui/setup.c b/tools/perf/util/ui/setup.c
new file mode 100644
index 00000000..66208503
--- /dev/null
+++ b/tools/perf/util/ui/setup.c
@@ -0,0 +1,42 @@
+#include <newt.h>
+#include <signal.h>
+#include <stdbool.h>
+
+#include "../cache.h"
+#include "../debug.h"
+#include "browser.h"
+#include "helpline.h"
+
+static void newt_suspend(void *d __used)
+{
+	newtSuspend();
+	raise(SIGTSTP);
+	newtResume();
+}
+
+void setup_browser(void)
+{
+	if (!isatty(1) || !use_browser || dump_trace) {
+		use_browser = 0;
+		setup_pager();
+		return;
+	}
+
+	use_browser = 1;
+	newtInit();
+	newtCls();
+	newtSetSuspendCallback(newt_suspend, NULL);
+	ui_helpline__init();
+	ui_browser__init();
+}
+
+void exit_browser(bool wait_for_ok)
+{
+	if (use_browser > 0) {
+		if (wait_for_ok) {
+			char title[] = "Fatal Error", ok[] = "Ok";
+			newtWinMessage(title, ok, ui_helpline__last_msg);
+		}
+		newtFinished();
+	}
+}
diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c
new file mode 100644
index 00000000..04600e26
--- /dev/null
+++ b/tools/perf/util/ui/util.c
@@ -0,0 +1,114 @@
+#include <newt.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdbool.h>
+#include <string.h>
+#include <sys/ttydefaults.h>
+
+#include "../cache.h"
+#include "../debug.h"
+#include "browser.h"
+#include "helpline.h"
+#include "util.h"
+
+newtComponent newt_form__new(void);
+
+static void newt_form__set_exit_keys(newtComponent self)
+{
+	newtFormAddHotKey(self, NEWT_KEY_LEFT);
+	newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
+	newtFormAddHotKey(self, 'Q');
+	newtFormAddHotKey(self, 'q');
+	newtFormAddHotKey(self, CTRL('c'));
+}
+
+newtComponent newt_form__new(void)
+{
+	newtComponent self = newtForm(NULL, NULL, 0);
+	if (self)
+		newt_form__set_exit_keys(self);
+	return self;
+}
+
+int ui__popup_menu(int argc, char * const argv[])
+{
+	struct newtExitStruct es;
+	int i, rc = -1, max_len = 5;
+	newtComponent listbox, form = newt_form__new();
+
+	if (form == NULL)
+		return -1;
+
+	listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
+	if (listbox == NULL)
+		goto out_destroy_form;
+
+	newtFormAddComponent(form, listbox);
+
+	for (i = 0; i < argc; ++i) {
+		int len = strlen(argv[i]);
+		if (len > max_len)
+			max_len = len;
+		if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
+			goto out_destroy_form;
+	}
+
+	newtCenteredWindow(max_len, argc, NULL);
+	newtFormRun(form, &es);
+	rc = newtListboxGetCurrent(listbox) - NULL;
+	if (es.reason == NEWT_EXIT_HOTKEY)
+		rc = -1;
+	newtPopWindow();
+out_destroy_form:
+	newtFormDestroy(form);
+	return rc;
+}
+
+int ui__help_window(const char *text)
+{
+	struct newtExitStruct es;
+	newtComponent tb, form = newt_form__new();
+	int rc = -1;
+	int max_len = 0, nr_lines = 0;
+	const char *t;
+
+	if (form == NULL)
+		return -1;
+
+	t = text;
+	while (1) {
+		const char *sep = strchr(t, '\n');
+		int len;
+
+		if (sep == NULL)
+			sep = strchr(t, '\0');
+		len = sep - t;
+		if (max_len < len)
+			max_len = len;
+		++nr_lines;
+		if (*sep == '\0')
+			break;
+		t = sep + 1;
+	}
+
+	tb = newtTextbox(0, 0, max_len, nr_lines, 0);
+	if (tb == NULL)
+		goto out_destroy_form;
+
+	newtTextboxSetText(tb, text);
+	newtFormAddComponent(form, tb);
+	newtCenteredWindow(max_len, nr_lines, NULL);
+	newtFormRun(form, &es);
+	newtPopWindow();
+	rc = 0;
+out_destroy_form:
+	newtFormDestroy(form);
+	return rc;
+}
+
+bool ui__dialog_yesno(const char *msg)
+{
+	/* newtWinChoice should really be accepting const char pointers... */
+	char yes[] = "Yes", no[] = "No";
+	return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
+}
diff --git a/tools/perf/util/ui/util.h b/tools/perf/util/ui/util.h
new file mode 100644
index 00000000..afcbc1d9
--- /dev/null
+++ b/tools/perf/util/ui/util.h
@@ -0,0 +1,10 @@
+#ifndef _PERF_UI_UTIL_H_
+#define _PERF_UI_UTIL_H_ 1
+
+#include <stdbool.h>
+
+int ui__popup_menu(int argc, char * const argv[]);
+int ui__help_window(const char *text);
+bool ui__dialog_yesno(const char *msg);
+
+#endif /* _PERF_UI_UTIL_H_ */