14 files changed, 0 insertions, 2157 deletions

diff --git a/tools/perf/util/ui/browser.c b/tools/perf/util/ui/browser.c
deleted file mode 100644
index 8bc010edca2..00000000000
--- a/tools/perf/util/ui/browser.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#include "libslang.h"
-#include <linux/compiler.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"
-#include <stdio.h>
-
-static 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__set_color(struct ui_browser *self __used, int color)
-{
-	SLsmg_set_color(color);
-}
-
-void ui_browser__set_percent_color(struct ui_browser *self,
-				   double percent, bool current)
-{
-	 int color = ui_browser__percent_color(percent, current);
-	 ui_browser__set_color(self, color);
-}
-
-void ui_browser__gotorc(struct ui_browser *self, int y, int x)
-{
-	SLsmg_gotorc(self->y + y, self->x + x);
-}
-
-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) {
-		ui_browser__gotorc(self, row, 0);
-		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);
-
-	self->width = cols - 1;
-	self->height = rows - 2;
-	self->y = 1;
-	self->x = 0;
-}
-
-void ui_browser__reset_index(struct ui_browser *self)
-{
-	self->index = self->top_idx = 0;
-	self->seek(self, 0, SEEK_SET);
-}
-
-void ui_browser__add_exit_key(struct ui_browser *self, int key)
-{
-	newtFormAddHotKey(self->form, key);
-}
-
-void ui_browser__add_exit_keys(struct ui_browser *self, int keys[])
-{
-	int i = 0;
-
-	while (keys[i] && i < 64) {
-		ui_browser__add_exit_key(self, keys[i]);
-		++i;
-	}
-}
-
-int ui_browser__show(struct ui_browser *self, const char *title,
-		     const char *helpline, ...)
-{
-	va_list ap;
-	int keys[] = { NEWT_KEY_UP, NEWT_KEY_DOWN, NEWT_KEY_PGUP,
-		       NEWT_KEY_PGDN, NEWT_KEY_HOME, NEWT_KEY_END, ' ',
-		       NEWT_KEY_LEFT, NEWT_KEY_ESCAPE, 'q', CTRL('c'), 0 };
-
-	if (self->form != NULL)
-		newtFormDestroy(self->form);
-
-	ui_browser__refresh_dimensions(self);
-	self->form = newtForm(NULL, NULL, 0);
-	if (self->form == NULL)
-		return -1;
-
-	self->sb = newtVerticalScrollbar(self->width, 1, self->height,
-					 HE_COLORSET_NORMAL,
-					 HE_COLORSET_SELECTED);
-	if (self->sb == NULL)
-		return -1;
-
-	SLsmg_gotorc(0, 0);
-	ui_browser__set_color(self, NEWT_COLORSET_ROOT);
-	slsmg_write_nstring(title, self->width);
-
-	ui_browser__add_exit_keys(self, keys);
-	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);
-	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);
-	ui_browser__set_color(self, 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;
-		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 -1;
-}
-
-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) {
-		ui_browser__gotorc(self, row, 0);
-		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
deleted file mode 100644
index 0dc7e4da36f..00000000000
--- a/tools/perf/util/ui/browser.h
+++ /dev/null
@@ -1,51 +0,0 @@
-#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;
-};
-
-
-void ui_browser__set_color(struct ui_browser *self, int color);
-void ui_browser__set_percent_color(struct ui_browser *self,
-				   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);
-
-void ui_browser__gotorc(struct ui_browser *self, int y, int x);
-void ui_browser__add_exit_key(struct ui_browser *self, int key);
-void ui_browser__add_exit_keys(struct ui_browser *self, int keys[]);
-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);
-
-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
deleted file mode 100644
index 82b78f99251..00000000000
--- a/tools/perf/util/ui/browsers/annotate.c
+++ /dev/null
@@ -1,237 +0,0 @@
-#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);
-		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);
-	}
-
-	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 rb_node *nd;
-	struct hist_entry *he = self->b.priv;
-	int key;
-
-	if (ui_browser__show(&self->b, he->ms.sym->name,
-			     "<-, -> or ESC: exit, TAB/shift+TAB: cycle thru samples") < 0)
-		return -1;
-	/*
-	 * To allow builtin-annotate to cycle thru multiple symbols by
-	 * examining the exit key for this function.
-	 */
-	ui_browser__add_exit_key(&self->b, NEWT_KEY_RIGHT);
-
-	nd = self->curr_hot;
-	if (nd) {
-		int tabs[] = { NEWT_KEY_TAB, NEWT_KEY_UNTAB, 0 };
-		ui_browser__add_exit_keys(&self->b, tabs);
-	}
-
-	while (1) {
-		key = ui_browser__run(&self->b);
-
-		switch (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 key;
-}
-
-int hist_entry__tui_annotate(struct hist_entry *self)
-{
-	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);
-	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
deleted file mode 100644
index 60c463c1602..00000000000
--- a/tools/perf/util/ui/browsers/hists.c
+++ /dev/null
@@ -1,1013 +0,0 @@
-#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 void map_symbol__set_folding(struct map_symbol *self, bool unfold)
-{
-	self->unfolded = unfold ? self->has_children : false;
-}
-
-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;
-		bool first = true;
-
-		list_for_each_entry(chain, &child->val, list) {
-			if (first) {
-				first = false;
-				chain->ms.has_children = chain->list.next != &child->val ||
-							 !RB_EMPTY_ROOT(&child->rb_root);
-			} else
-				chain->ms.has_children = chain->list.next == &child->val &&
-							 !RB_EMPTY_ROOT(&child->rb_root);
-		}
-
-		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_EMPTY_ROOT(&self->rb_root);
-
-	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) {
-		self->ms.has_children = !RB_EMPTY_ROOT(&self->sorted_chain);
-		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 callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold)
-{
-	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;
-		bool has_children = false;
-
-		list_for_each_entry(chain, &child->val, list) {
-			++n;
-			map_symbol__set_folding(&chain->ms, unfold);
-			has_children = chain->ms.has_children;
-		}
-
-		if (has_children)
-			n += callchain_node__set_folding_rb_tree(child, unfold);
-	}
-
-	return n;
-}
-
-static int callchain_node__set_folding(struct callchain_node *node, bool unfold)
-{
-	struct callchain_list *chain;
-	bool has_children = false;
-	int n = 0;
-
-	list_for_each_entry(chain, &node->val, list) {
-		++n;
-		map_symbol__set_folding(&chain->ms, unfold);
-		has_children = chain->ms.has_children;
-	}
-
-	if (has_children)
-		n += callchain_node__set_folding_rb_tree(node, unfold);
-
-	return n;
-}
-
-static int callchain__set_folding(struct rb_root *chain, bool unfold)
-{
-	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__set_folding(node, unfold);
-	}
-
-	return n;
-}
-
-static void hist_entry__set_folding(struct hist_entry *self, bool unfold)
-{
-	hist_entry__init_have_children(self);
-	map_symbol__set_folding(&self->ms, unfold);
-
-	if (self->ms.has_children) {
-		int n = callchain__set_folding(&self->sorted_chain, unfold);
-		self->nr_rows = unfold ? n : 0;
-	} else
-		self->nr_rows = 0;
-}
-
-static void hists__set_folding(struct hists *self, bool unfold)
-{
-	struct rb_node *nd;
-
-	self->nr_entries = 0;
-
-	for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) {
-		struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
-		hist_entry__set_folding(he, unfold);
-		self->nr_entries += 1 + he->nr_rows;
-	}
-}
-
-static void hist_browser__set_folding(struct hist_browser *self, bool unfold)
-{
-	hists__set_folding(self->hists, unfold);
-	self->b.nr_entries = self->hists->nr_entries;
-	/* Go to the start, we may be way after valid entries after a collapse */
-	ui_browser__reset_index(&self->b);
-}
-
-static int hist_browser__run(struct hist_browser *self, const char *title)
-{
-	int key;
-	int exit_keys[] = { 'a', '?', 'h', 'C', 'd', 'D', 'E', 't',
-			    NEWT_KEY_ENTER, NEWT_KEY_RIGHT, NEWT_KEY_LEFT, 0, };
-
-	self->b.entries = &self->hists->entries;
-	self->b.nr_entries = self->hists->nr_entries;
-
-	hist_browser__refresh_dimensions(self);
-
-	if (ui_browser__show(&self->b, title,
-			     "Press '?' for help on key bindings") < 0)
-		return -1;
-
-	ui_browser__add_exit_keys(&self->b, exit_keys);
-
-	while (1) {
-		key = ui_browser__run(&self->b);
-
-		switch (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);
-		}
-			break;
-		case 'C':
-			/* Collapse the whole world. */
-			hist_browser__set_folding(self, false);
-			break;
-		case 'E':
-			/* Expand the whole world. */
-			hist_browser__set_folding(self, true);
-			break;
-		case NEWT_KEY_ENTER:
-			if (hist_browser__toggle_fold(self))
-				break;
-			/* fall thru */
-		default:
-			goto out;
-		}
-	}
-out:
-	ui_browser__hide(&self->b);
-	return key;
-}
-
-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, "%#" PRIx64, 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;
-			else
-				extra_offset = LEVEL_OFFSET_STEP;
-
-			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;
-			}
-
-			ui_browser__set_color(&self->b, color);
-			ui_browser__gotorc(&self->b, row, 0);
-			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;
-
-		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));
-		ui_browser__gotorc(&self->b, row, 0);
-		ui_browser__set_color(&self->b, 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) {
-		hist_entry__init_have_children(entry);
-		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;
-		}
-
-		ui_browser__set_color(&self->b, color);
-		ui_browser__gotorc(&self->b, row, 0);
-		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)
-{
-	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 hists__browser_title(struct hists *self, char *bf, size_t size,
-				const char *ev_name, const struct dso *dso,
-				const struct thread *thread)
-{
-	char unit;
-	int printed;
-	unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE];
-
-	nr_events = convert_unit(nr_events, &unit);
-	printed = snprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name);
-
-	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,
-				    ", DSO: %s", dso->short_name);
-	return printed;
-}
-
-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;
-	char msg[160];
-	int key = -1;
-
-	if (browser == NULL)
-		return -1;
-
-	fstack = pstack__new(2);
-	if (fstack == NULL)
-		goto out;
-
-	ui_helpline__push(helpline);
-
-	hists__browser_title(self, 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;
-
-		key = hist_browser__run(browser, msg);
-
-		thread = hist_browser__selected_thread(browser);
-		dso = browser->selection->map ? browser->selection->map->dso : NULL;
-
-		switch (key) {
-		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;
-		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 NEWT_KEY_F1:
-		case 'h':
-		case '?':
-			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"
-					"C         Collapse all callchains\n"
-					"E         Expand all callchains\n"
-					"d         Zoom into current DSO\n"
-					"t         Zoom into current Thread\n"
-					"q/CTRL+C  Exit browser");
-			continue;
-		case NEWT_KEY_ENTER:
-		case NEWT_KEY_RIGHT:
-			/* menu */
-			break;
-		case 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;
-		}
-		case NEWT_KEY_ESCAPE:
-			if (!ui__dialog_yesno("Do you really want to exit?"))
-				continue;
-			/* Fall thru */
-		default:
-			goto out_free_stack;
-		}
-
-		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);
-			hists__browser_title(self, 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);
-			hists__browser_title(self, 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);
-		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:
-			return key;
-		}
-	}
-
-	return key;
-}
diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c
deleted file mode 100644
index e5158369106..00000000000
--- a/tools/perf/util/ui/browsers/map.c
+++ /dev/null
@@ -1,156 +0,0 @@
-#include "../libslang.h"
-#include <elf.h>
-#include <inttypes.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;
-	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 width;
-
-	ui_browser__set_percent_color(self, 0, current_entry);
-	slsmg_printf("%*" PRIx64 " %*" PRIx64 " %c ",
-		     mb->addrlen, sym->start, mb->addrlen, sym->end,
-		     sym->binding == STB_GLOBAL ? 'g' :
-		     sym->binding == STB_LOCAL  ? 'l' : 'w');
-	width = self->width - ((mb->addrlen * 2) + 4);
-	if (width > 0)
-		slsmg_write_nstring(sym->name, width);
-}
-
-/* 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)
-{
-	int key;
-
-	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;
-
-	if (verbose)
-		ui_browser__add_exit_key(&self->b, '/');
-
-	while (1) {
-		key = ui_browser__run(&self->b);
-
-		if (verbose && key == '/')
-			map_browser__search(self);
-		else
-			break;
-	}
-
-	ui_browser__hide(&self->b);
-	return key;
-}
-
-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 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 (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), "%" PRIx64, maxaddr);
-	return map_browser__run(&mb);
-}
diff --git a/tools/perf/util/ui/browsers/map.h b/tools/perf/util/ui/browsers/map.h
deleted file mode 100644
index df8581a43e1..00000000000
--- a/tools/perf/util/ui/browsers/map.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#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
deleted file mode 100644
index 8d79daa4458..00000000000
--- a/tools/perf/util/ui/helpline.c
+++ /dev/null
@@ -1,69 +0,0 @@
-#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
deleted file mode 100644
index ab6028d0c40..00000000000
--- a/tools/perf/util/ui/helpline.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#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
deleted file mode 100644
index 5623da8e808..00000000000
--- a/tools/perf/util/ui/libslang.h
+++ /dev/null
@@ -1,27 +0,0 @@
-#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
deleted file mode 100644
index d7fc399d36b..00000000000
--- a/tools/perf/util/ui/progress.c
+++ /dev/null
@@ -1,60 +0,0 @@
-#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
deleted file mode 100644
index a3820a0beb5..00000000000
--- a/tools/perf/util/ui/progress.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#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
deleted file mode 100644
index 662085032eb..00000000000
--- a/tools/perf/util/ui/setup.c
+++ /dev/null
@@ -1,42 +0,0 @@
-#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
deleted file mode 100644
index 7b5a8926624..00000000000
--- a/tools/perf/util/ui/util.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#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"
-
-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'));
-}
-
-static 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;
-}
-
-static const char yes[] = "Yes", no[] = "No",
-		  warning_str[] = "Warning!", ok[] = "Ok";
-
-bool ui__dialog_yesno(const char *msg)
-{
-	/* newtWinChoice should really be accepting const char pointers... */
-	return newtWinChoice(NULL, (char *)yes, (char *)no, (char *)msg) == 1;
-}
-
-void ui__warning(const char *format, ...)
-{
-	va_list args;
-
-	va_start(args, format);
-	if (use_browser > 0)
-		newtWinMessagev((char *)warning_str, (char *)ok,
-				(char *)format, args);
-	else
-		vfprintf(stderr, format, args);
-	va_end(args);
-}
diff --git a/tools/perf/util/ui/util.h b/tools/perf/util/ui/util.h
deleted file mode 100644
index afcbc1d9953..00000000000
--- a/tools/perf/util/ui/util.h
+++ /dev/null
@@ -1,10 +0,0 @@
-#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_ */