tools/perf/util/ui/browsers/annotate.c - kernel/msm-4.9 - Gitiles

 #include "../../util.h"
 #include "../browser.h"
 #include "../helpline.h"
 #include "../libslang.h"
 #include "../ui.h"
 #include "../util.h"
 #include "../../annotate.h"
 #include "../../hist.h"
 #include "../../sort.h"
 #include "../../symbol.h"
 #include <pthread.h>
 #include <newt.h>

 struct annotate_browser {
 	struct ui_browser b;
 	struct rb_root	  entries;
 	struct rb_node	  *curr_hot;
 	struct objdump_line *selection;
 	int		    nr_asm_entries;
 	int		    nr_entries;
 	bool		    hide_src_code;
 };

 struct objdump_line_rb_node {
 	struct rb_node	rb_node;
 	double		percent;
 	u32		idx;
 	int		idx_asm;
 };

 static inline
 struct objdump_line_rb_node *objdump_line__rb(struct objdump_line *self)
 {
 	return (struct objdump_line_rb_node *)(self + 1);
 }

 static bool objdump_line__filter(struct ui_browser *browser, void *entry)
 {
 	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);

 	if (ab->hide_src_code) {
 		struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
 		return ol->offset == -1;
 	}

 	return false;
 }

 static void annotate_browser__write(struct ui_browser *self, void *entry, int row)
 {
 	struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
 	struct objdump_line *ol = list_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);
 	} else {
 		ui_browser__set_percent_color(self, 0, current_entry);
 		slsmg_write_nstring(" ", 9);
 	}

 	SLsmg_write_char(':');
 	slsmg_write_nstring(" ", 8);

 	/* The scroll bar isn't being used */
 	if (!self->navkeypressed)
 		width += 1;

 	if (!ab->hide_src_code && ol->offset != -1)
 		if (!current_entry || (self->use_navkeypressed &&
 				       !self->navkeypressed))
 			ui_browser__set_color(self, HE_COLORSET_CODE);

 	if (!*ol->line)
 		slsmg_write_nstring(" ", width - 18);
 	else
 		slsmg_write_nstring(ol->line, width - 18);

 	if (current_entry)
 		ab->selection = ol;
 }

 static double objdump_line__calc_percent(struct objdump_line *self,
 					 struct symbol *sym, int evidx)
 {
 	double percent = 0.0;

 	if (self->offset != -1) {
 		int len = sym->end - sym->start;
 		unsigned int hits = 0;
 		struct annotation *notes = symbol__annotation(sym);
 		struct source_line *src_line = notes->src->lines;
 		struct sym_hist *h = annotation__histogram(notes, evidx);
 		s64 offset = self->offset;
 		struct objdump_line *next;

 		next = objdump__get_next_ip_line(&notes->src->source, self);
 		while (offset < (s64)len &&
 		       (next == NULL || offset < next->offset)) {
 			if (src_line) {
 				percent += src_line[offset].percent;
 			} else
 				hits += h->addr[offset];

 			++offset;
 		}
 		/*
  		 * If the percentage wasn't already calculated in
  		 * symbol__get_source_line, do it now:
  		 */
 		if (src_line == 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 void annotate_browser__calc_percent(struct annotate_browser *browser,
 					   int evidx)
 {
 	struct map_symbol *ms = browser->b.priv;
 	struct symbol *sym = ms->sym;
 	struct annotation *notes = symbol__annotation(sym);
 	struct objdump_line *pos;

 	browser->entries = RB_ROOT;

 	pthread_mutex_lock(&notes->lock);

 	list_for_each_entry(pos, &notes->src->source, node) {
 		struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
 		rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
 		if (rbpos->percent < 0.01) {
 			RB_CLEAR_NODE(&rbpos->rb_node);
 			continue;
 		}
 		objdump__insert_line(&browser->entries, rbpos);
 	}
 	pthread_mutex_unlock(&notes->lock);

 	browser->curr_hot = rb_last(&browser->entries);
 }

 static bool annotate_browser__toggle_source(struct annotate_browser *browser)
 {
 	struct objdump_line *ol;
 	struct objdump_line_rb_node *olrb;
 	off_t offset = browser->b.index - browser->b.top_idx;

 	browser->b.seek(&browser->b, offset, SEEK_CUR);
 	ol = list_entry(browser->b.top, struct objdump_line, node);
 	olrb = objdump_line__rb(ol);

 	if (browser->hide_src_code) {
 		if (olrb->idx_asm < offset)
 			offset = olrb->idx;

 		browser->b.nr_entries = browser->nr_entries;
 		browser->hide_src_code = false;
 		browser->b.seek(&browser->b, -offset, SEEK_CUR);
 		browser->b.top_idx = olrb->idx - offset;
 		browser->b.index = olrb->idx;
 	} else {
 		if (olrb->idx_asm < 0) {
 			ui_helpline__puts("Only available for assembly lines.");
 			browser->b.seek(&browser->b, -offset, SEEK_CUR);
 			return false;
 		}

 		if (olrb->idx_asm < offset)
 			offset = olrb->idx_asm;

 		browser->b.nr_entries = browser->nr_asm_entries;
 		browser->hide_src_code = true;
 		browser->b.seek(&browser->b, -offset, SEEK_CUR);
 		browser->b.top_idx = olrb->idx_asm - offset;
 		browser->b.index = olrb->idx_asm;
 	}

 	return true;
 }

 static int annotate_browser__run(struct annotate_browser *self, int evidx,
 				 void(*timer)(void *arg),
 				 void *arg, int delay_secs)
 {
 	struct rb_node *nd = NULL;
 	struct map_symbol *ms = self->b.priv;
 	struct symbol *sym = ms->sym;
 	const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, "
 			   "H: Hottest, -> Line action, S -> Toggle source "
 			   "code view";
 	int key;

 	if (ui_browser__show(&self->b, sym->name, help) < 0)
 		return -1;

 	annotate_browser__calc_percent(self, evidx);

 	if (self->curr_hot)
 		annotate_browser__set_top(self, self->curr_hot);

 	nd = self->curr_hot;

 	while (1) {
 		key = ui_browser__run(&self->b, delay_secs);

 		if (delay_secs != 0) {
 			annotate_browser__calc_percent(self, evidx);
 			/*
 			 * Current line focus got out of the list of most active
 			 * lines, NULL it so that if TAB|UNTAB is pressed, we
 			 * move to curr_hot (current hottest line).
 			 */
 			if (nd != NULL && RB_EMPTY_NODE(nd))
 				nd = NULL;
 		}

 		switch (key) {
 		case K_TIMER:
 			if (timer != NULL)
 				timer(arg);

 			if (delay_secs != 0)
 				symbol__annotate_decay_histogram(sym, evidx);
 			continue;
 		case K_TAB:
 			if (nd != NULL) {
 				nd = rb_prev(nd);
 				if (nd == NULL)
 					nd = rb_last(&self->entries);
 			} else
 				nd = self->curr_hot;
 			break;
 		case K_UNTAB:
 			if (nd != NULL)
 				nd = rb_next(nd);
 				if (nd == NULL)
 					nd = rb_first(&self->entries);
 			else
 				nd = self->curr_hot;
 			break;
 		case 'H':
 			nd = self->curr_hot;
 			break;
 		case 'S':
 			if (annotate_browser__toggle_source(self))
 				ui_helpline__puts(help);
 			continue;
 		case K_ENTER:
 		case K_RIGHT:
 			if (self->selection == NULL) {
 				ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
 				continue;
 			}

 			if (self->selection->offset == -1) {
 				ui_helpline__puts("Actions are only available for assembly lines.");
 				continue;
 			} else {
 				char *s = strstr(self->selection->line, "callq ");
 				struct annotation *notes;
 				struct symbol *target;
 				u64 ip;

 				if (s == NULL) {
 					ui_helpline__puts("Actions are only available for the 'callq' instruction.");
 					continue;
 				}

 				s = strchr(s, ' ');
 				if (s++ == NULL) {
 					ui_helpline__puts("Invallid callq instruction.");
 					continue;
 				}

 				ip = strtoull(s, NULL, 16);
 				ip = ms->map->map_ip(ms->map, ip);
 				target = map__find_symbol(ms->map, ip, NULL);
 				if (target == NULL) {
 					ui_helpline__puts("The called function was not found.");
 					continue;
 				}

 				notes = symbol__annotation(target);
 				pthread_mutex_lock(&notes->lock);

 				if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
 					pthread_mutex_unlock(&notes->lock);
 					ui__warning("Not enough memory for annotating '%s' symbol!\n",
 						    target->name);
 					continue;
 				}

 				pthread_mutex_unlock(&notes->lock);
 				symbol__tui_annotate(target, ms->map, evidx,
 						     timer, arg, delay_secs);
 			}
 			continue;
 		case K_LEFT:
 		case K_ESC:
 		case 'q':
 		case CTRL('c'):
 			goto out;
 		default:
 			continue;
 		}

 		if (nd != NULL)
 			annotate_browser__set_top(self, nd);
 	}
 out:
 	ui_browser__hide(&self->b);
 	return key;
 }

 int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
 			     void(*timer)(void *arg), void *arg, int delay_secs)
 {
 	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
 				    timer, arg, delay_secs);
 }

 int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
 			 void(*timer)(void *arg), void *arg,
 			 int delay_secs)
 {
 	struct objdump_line *pos, *n;
 	struct annotation *notes;
 	struct map_symbol ms = {
 		.map = map,
 		.sym = sym,
 	};
 	struct annotate_browser browser = {
 		.b = {
 			.refresh = ui_browser__list_head_refresh,
 			.seek	 = ui_browser__list_head_seek,
 			.write	 = annotate_browser__write,
 			.filter  = objdump_line__filter,
 			.priv	 = &ms,
 			.use_navkeypressed = true,
 		},
 	};
 	int ret;

 	if (sym == NULL)
 		return -1;

 	if (map->dso->annotate_warned)
 		return -1;

 	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
 		ui__error("%s", ui_helpline__last_msg);
 		return -1;
 	}

 	ui_helpline__push("Press <- or ESC to exit");

 	notes = symbol__annotation(sym);

 	list_for_each_entry(pos, &notes->src->source, node) {
 		struct objdump_line_rb_node *rbpos;
 		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.nr_entries++;
 		if (pos->offset != -1)
 			rbpos->idx_asm = browser.nr_asm_entries++;
 		else
 			rbpos->idx_asm = -1;
 	}

 	browser.b.nr_entries = browser.nr_entries;
 	browser.b.entries = &notes->src->source,
 	browser.b.width += 18; /* Percentage */
 	ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
 	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
 		list_del(&pos->node);
 		objdump_line__free(pos);
 	}
 	return ret;
 }
	#include "../../util.h"
	#include "../browser.h"
	#include "../helpline.h"
	#include "../libslang.h"
	#include "../ui.h"
	#include "../util.h"
	#include "../../annotate.h"
	#include "../../hist.h"
	#include "../../sort.h"
	#include "../../symbol.h"
	#include <pthread.h>
	#include <newt.h>

	struct annotate_browser {
	struct ui_browser b;
	struct rb_root entries;
	struct rb_node *curr_hot;
	struct objdump_line *selection;
	int nr_asm_entries;
	int nr_entries;
	bool hide_src_code;
	};

	struct objdump_line_rb_node {
	struct rb_node rb_node;
	double percent;
	u32 idx;
	int idx_asm;
	};

	static inline
	struct objdump_line_rb_node objdump_line__rb(struct objdump_line self)
	{
	return (struct objdump_line_rb_node *)(self + 1);
	}

	static bool objdump_line__filter(struct ui_browser browser, void entry)
	{
	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);

	if (ab->hide_src_code) {
	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
	return ol->offset == -1;
	}

	return false;
	}

	static void annotate_browser__write(struct ui_browser self, void entry, int row)
	{
	struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
	struct objdump_line *ol = list_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);
	} else {
	ui_browser__set_percent_color(self, 0, current_entry);
	slsmg_write_nstring(" ", 9);
	}

	SLsmg_write_char(':');
	slsmg_write_nstring(" ", 8);

	/* The scroll bar isn't being used */
	if (!self->navkeypressed)
	width += 1;

	if (!ab->hide_src_code && ol->offset != -1)
	if (!current_entry \|\| (self->use_navkeypressed &&
	!self->navkeypressed))
	ui_browser__set_color(self, HE_COLORSET_CODE);

	if (!*ol->line)
	slsmg_write_nstring(" ", width - 18);
	else
	slsmg_write_nstring(ol->line, width - 18);

	if (current_entry)
	ab->selection = ol;
	}

	static double objdump_line__calc_percent(struct objdump_line *self,
	struct symbol *sym, int evidx)
	{
	double percent = 0.0;

	if (self->offset != -1) {
	int len = sym->end - sym->start;
	unsigned int hits = 0;
	struct annotation *notes = symbol__annotation(sym);
	struct source_line *src_line = notes->src->lines;
	struct sym_hist *h = annotation__histogram(notes, evidx);
	s64 offset = self->offset;
	struct objdump_line *next;

	next = objdump__get_next_ip_line(&notes->src->source, self);
	while (offset < (s64)len &&
	(next == NULL \|\| offset < next->offset)) {
	if (src_line) {
	percent += src_line[offset].percent;
	} else
	hits += h->addr[offset];

	++offset;
	}
	/*
	* If the percentage wasn't already calculated in
	* symbol__get_source_line, do it now:
	*/
	if (src_line == 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 void annotate_browser__calc_percent(struct annotate_browser *browser,
	int evidx)
	{
	struct map_symbol *ms = browser->b.priv;
	struct symbol *sym = ms->sym;
	struct annotation *notes = symbol__annotation(sym);
	struct objdump_line *pos;

	browser->entries = RB_ROOT;

	pthread_mutex_lock(&notes->lock);

	list_for_each_entry(pos, &notes->src->source, node) {
	struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
	rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
	if (rbpos->percent < 0.01) {
	RB_CLEAR_NODE(&rbpos->rb_node);
	continue;
	}
	objdump__insert_line(&browser->entries, rbpos);
	}
	pthread_mutex_unlock(&notes->lock);

	browser->curr_hot = rb_last(&browser->entries);
	}

	static bool annotate_browser__toggle_source(struct annotate_browser *browser)
	{
	struct objdump_line *ol;
	struct objdump_line_rb_node *olrb;
	off_t offset = browser->b.index - browser->b.top_idx;

	browser->b.seek(&browser->b, offset, SEEK_CUR);
	ol = list_entry(browser->b.top, struct objdump_line, node);
	olrb = objdump_line__rb(ol);

	if (browser->hide_src_code) {
	if (olrb->idx_asm < offset)
	offset = olrb->idx;

	browser->b.nr_entries = browser->nr_entries;
	browser->hide_src_code = false;
	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	browser->b.top_idx = olrb->idx - offset;
	browser->b.index = olrb->idx;
	} else {
	if (olrb->idx_asm < 0) {
	ui_helpline__puts("Only available for assembly lines.");
	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	return false;
	}

	if (olrb->idx_asm < offset)
	offset = olrb->idx_asm;

	browser->b.nr_entries = browser->nr_asm_entries;
	browser->hide_src_code = true;
	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	browser->b.top_idx = olrb->idx_asm - offset;
	browser->b.index = olrb->idx_asm;
	}

	return true;
	}

	static int annotate_browser__run(struct annotate_browser *self, int evidx,
	void(timer)(void arg),
	void *arg, int delay_secs)
	{
	struct rb_node *nd = NULL;
	struct map_symbol *ms = self->b.priv;
	struct symbol *sym = ms->sym;
	const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, "
	"H: Hottest, -> Line action, S -> Toggle source "
	"code view";
	int key;

	if (ui_browser__show(&self->b, sym->name, help) < 0)
	return -1;

	annotate_browser__calc_percent(self, evidx);

	if (self->curr_hot)
	annotate_browser__set_top(self, self->curr_hot);

	nd = self->curr_hot;

	while (1) {
	key = ui_browser__run(&self->b, delay_secs);

	if (delay_secs != 0) {
	annotate_browser__calc_percent(self, evidx);
	/*
	* Current line focus got out of the list of most active
	* lines, NULL it so that if TAB\|UNTAB is pressed, we
	* move to curr_hot (current hottest line).
	*/
	if (nd != NULL && RB_EMPTY_NODE(nd))
	nd = NULL;
	}

	switch (key) {
	case K_TIMER:
	if (timer != NULL)
	timer(arg);

	if (delay_secs != 0)
	symbol__annotate_decay_histogram(sym, evidx);
	continue;
	case K_TAB:
	if (nd != NULL) {
	nd = rb_prev(nd);
	if (nd == NULL)
	nd = rb_last(&self->entries);
	} else
	nd = self->curr_hot;
	break;
	case K_UNTAB:
	if (nd != NULL)
	nd = rb_next(nd);
	if (nd == NULL)
	nd = rb_first(&self->entries);
	else
	nd = self->curr_hot;
	break;
	case 'H':
	nd = self->curr_hot;
	break;
	case 'S':
	if (annotate_browser__toggle_source(self))
	ui_helpline__puts(help);
	continue;
	case K_ENTER:
	case K_RIGHT:
	if (self->selection == NULL) {
	ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
	continue;
	}

	if (self->selection->offset == -1) {
	ui_helpline__puts("Actions are only available for assembly lines.");
	continue;
	} else {
	char *s = strstr(self->selection->line, "callq ");
	struct annotation *notes;
	struct symbol *target;
	u64 ip;

	if (s == NULL) {
	ui_helpline__puts("Actions are only available for the 'callq' instruction.");
	continue;
	}

	s = strchr(s, ' ');
	if (s++ == NULL) {
	ui_helpline__puts("Invallid callq instruction.");
	continue;
	}

	ip = strtoull(s, NULL, 16);
	ip = ms->map->map_ip(ms->map, ip);
	target = map__find_symbol(ms->map, ip, NULL);
	if (target == NULL) {
	ui_helpline__puts("The called function was not found.");
	continue;
	}

	notes = symbol__annotation(target);
	pthread_mutex_lock(&notes->lock);

	if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
	pthread_mutex_unlock(&notes->lock);
	ui__warning("Not enough memory for annotating '%s' symbol!\n",
	target->name);
	continue;
	}

	pthread_mutex_unlock(&notes->lock);
	symbol__tui_annotate(target, ms->map, evidx,
	timer, arg, delay_secs);
	}
	continue;
	case K_LEFT:
	case K_ESC:
	case 'q':
	case CTRL('c'):
	goto out;
	default:
	continue;
	}

	if (nd != NULL)
	annotate_browser__set_top(self, nd);
	}
	out:
	ui_browser__hide(&self->b);
	return key;
	}

	int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
	void(timer)(void arg), void *arg, int delay_secs)
	{
	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
	timer, arg, delay_secs);
	}

	int symbol__tui_annotate(struct symbol sym, struct map map, int evidx,
	void(timer)(void arg), void *arg,
	int delay_secs)
	{
	struct objdump_line pos, n;
	struct annotation *notes;
	struct map_symbol ms = {
	.map = map,
	.sym = sym,
	};
	struct annotate_browser browser = {
	.b = {
	.refresh = ui_browser__list_head_refresh,
	.seek = ui_browser__list_head_seek,
	.write = annotate_browser__write,
	.filter = objdump_line__filter,
	.priv = &ms,
	.use_navkeypressed = true,
	},
	};
	int ret;

	if (sym == NULL)
	return -1;

	if (map->dso->annotate_warned)
	return -1;

	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
	ui__error("%s", ui_helpline__last_msg);
	return -1;
	}

	ui_helpline__push("Press <- or ESC to exit");

	notes = symbol__annotation(sym);

	list_for_each_entry(pos, &notes->src->source, node) {
	struct objdump_line_rb_node *rbpos;
	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.nr_entries++;
	if (pos->offset != -1)
	rbpos->idx_asm = browser.nr_asm_entries++;
	else
	rbpos->idx_asm = -1;
	}

	browser.b.nr_entries = browser.nr_entries;
	browser.b.entries = &notes->src->source,
	browser.b.width += 18; /* Percentage */
	ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
	list_del(&pos->node);
	objdump_line__free(pos);
	}
	return ret;
	}