[deliverable/linux.git] / tools / perf / util / ui / browsers / annotate.c

#include "../browser.h"
#include "../helpline.h"
#include "../libslang.h"
#include "../../annotate.h"
#include "../../hist.h"
#include "../../sort.h"
#include "../../symbol.h"
#include <pthread.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 *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 (!*ol->line)
		slsmg_write_nstring(" ", width - 18);
	else
		slsmg_write_nstring(ol->line, width - 18);

	if (!current_entry)
		ui_browser__set_color(self, HE_COLORSET_CODE);
	else
		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,
				 int nr_events, 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 -1:
			/*
 			 * FIXME we need to check if it was
 			 * es.reason == NEWT_EXIT_TIMER
 			 */
			if (timer != NULL)
				timer(arg);

			if (delay_secs != 0)
				symbol__annotate_decay_histogram(sym, evidx);
			continue;
		case NEWT_KEY_TAB:
			if (nd != NULL) {
				nd = rb_prev(nd);
				if (nd == NULL)
					nd = rb_last(&self->entries);
			} else
				nd = self->curr_hot;
			break;
		case NEWT_KEY_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 NEWT_KEY_ENTER:
		case NEWT_KEY_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, nr_events) < 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, nr_events,
						     timer, arg, delay_secs);
			}
			break;
		case NEWT_KEY_LEFT:
		case NEWT_KEY_ESCAPE:
		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, int nr_events,
			     void(*timer)(void *arg), void *arg, int delay_secs)
{
	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
				    timer, arg, delay_secs);
}

int symbol__tui_annotate(struct symbol *sym, struct map *map, int evidx,
			 int nr_events, 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_window(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, nr_events,
				    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;
}
Commit	Line	Data
211ef127 ACM	1	#include "../browser.h"
	2	#include "../helpline.h"
	3	#include "../libslang.h"
78f7defe	4	#include "../../annotate.h"
211ef127 ACM	5	#include "../../hist.h"
	6	#include "../../sort.h"
	7	#include "../../symbol.h"
c97cf422	8	#include <pthread.h>
211ef127 ACM	9
	10	static void ui__error_window(const char *fmt, ...)
	11	{
	12	va_list ap;
	13
	14	va_start(ap, fmt);
	15	newtWinMessagev((char )"Error", (char )"Ok", (char *)fmt, ap);
	16	va_end(ap);
	17	}
	18
92221162 ACM	19	struct annotate_browser {
	20	struct ui_browser b;
	21	struct rb_root entries;
f1e9214c	22	struct rb_node *curr_hot;
34958544	23	struct objdump_line *selection;
0361fc25 ACM	24	int nr_asm_entries;
	25	int nr_entries;
	26	bool hide_src_code;
92221162 ACM	27	};
	28
	29	struct objdump_line_rb_node {
	30	struct rb_node rb_node;
	31	double percent;
	32	u32 idx;
0361fc25	33	int idx_asm;
92221162 ACM	34	};
	35
	36	static inline
	37	struct objdump_line_rb_node objdump_line__rb(struct objdump_line self)
	38	{
	39	return (struct objdump_line_rb_node *)(self + 1);
	40	}
	41
0361fc25 ACM	42	static bool objdump_line__filter(struct ui_browser browser, void entry)
	43	{
	44	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
	45
	46	if (ab->hide_src_code) {
	47	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
	48	return ol->offset == -1;
	49	}
	50
	51	return false;
	52	}
	53
211ef127 ACM	54	static void annotate_browser__write(struct ui_browser self, void entry, int row)
211ef127 ACM	55	{
34958544	56	struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
0361fc25	57	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
211ef127 ACM	58	bool current_entry = ui_browser__is_current_entry(self, row);
	59	int width = self->width;
	60
	61	if (ol->offset != -1) {
92221162	62	struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
8f9bbc40	63	ui_browser__set_percent_color(self, olrb->percent, current_entry);
92221162	64	slsmg_printf(" %7.2f ", olrb->percent);
92221162	65	} else {
8f9bbc40	66	ui_browser__set_percent_color(self, 0, current_entry);
92221162 ACM	67	slsmg_write_nstring(" ", 9);
	68	}
	69
	70	SLsmg_write_char(':');
	71	slsmg_write_nstring(" ", 8);
c172f742 ACM	72
	73	/* The scroll bar isn't being used */
	74	if (!self->navkeypressed)
	75	width += 1;
	76
92221162 ACM	77	if (!*ol->line)
	78	slsmg_write_nstring(" ", width - 18);
	79	else
	80	slsmg_write_nstring(ol->line, width - 18);
b99976e2 ACM	81
	82	if (!current_entry)
	83	ui_browser__set_color(self, HE_COLORSET_CODE);
34958544 ACM	84	else
34958544 ACM	85	ab->selection = ol;
92221162 ACM	86	}
	87
	88	static double objdump_line__calc_percent(struct objdump_line *self,
2f525d01	89	struct symbol *sym, int evidx)
92221162 ACM	90	{
	91	double percent = 0.0;
	92
	93	if (self->offset != -1) {
	94	int len = sym->end - sym->start;
211ef127	95	unsigned int hits = 0;
78f7defe	96	struct annotation *notes = symbol__annotation(sym);
ce6f4fab	97	struct source_line *src_line = notes->src->lines;
2f525d01	98	struct sym_hist *h = annotation__histogram(notes, evidx);
92221162	99	s64 offset = self->offset;
ce6f4fab	100	struct objdump_line *next;
92221162	101
ce6f4fab	102	next = objdump__get_next_ip_line(&notes->src->source, self);
211ef127 ACM	103	while (offset < (s64)len &&
211ef127 ACM	104	(next == NULL \|\| offset < next->offset)) {
78f7defe ACM	105	if (src_line) {
78f7defe ACM	106	percent += src_line[offset].percent;
211ef127	107	} else
78f7defe	108	hits += h->addr[offset];
211ef127 ACM	109
	110	++offset;
	111	}
78f7defe ACM	112	/*
	113	* If the percentage wasn't already calculated in
	114	* symbol__get_source_line, do it now:
	115	*/
	116	if (src_line == NULL && h->sum)
211ef127	117	percent = 100.0 * hits / h->sum;
211ef127 ACM	118	}
211ef127 ACM	119
92221162 ACM	120	return percent;
	121	}
	122
	123	static void objdump__insert_line(struct rb_root *self,
	124	struct objdump_line_rb_node *line)
	125	{
	126	struct rb_node **p = &self->rb_node;
	127	struct rb_node *parent = NULL;
	128	struct objdump_line_rb_node *l;
	129
	130	while (*p != NULL) {
	131	parent = *p;
	132	l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
	133	if (line->percent < l->percent)
	134	p = &(*p)->rb_left;
	135	else
	136	p = &(*p)->rb_right;
	137	}
	138	rb_link_node(&line->rb_node, parent, p);
	139	rb_insert_color(&line->rb_node, self);
211ef127 ACM	140	}
211ef127 ACM	141
f1e9214c ACM	142	static void annotate_browser__set_top(struct annotate_browser *self,
	143	struct rb_node *nd)
	144	{
	145	struct objdump_line_rb_node *rbpos;
	146	struct objdump_line *pos;
	147	unsigned back;
	148
	149	ui_browser__refresh_dimensions(&self->b);
	150	back = self->b.height / 2;
	151	rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
	152	pos = ((struct objdump_line *)rbpos) - 1;
	153	self->b.top_idx = self->b.index = rbpos->idx;
	154
	155	while (self->b.top_idx != 0 && back != 0) {
	156	pos = list_entry(pos->node.prev, struct objdump_line, node);
	157
	158	--self->b.top_idx;
	159	--back;
	160	}
	161
	162	self->b.top = pos;
	163	self->curr_hot = nd;
	164	}
	165
c97cf422 ACM	166	static void annotate_browser__calc_percent(struct annotate_browser *browser,
c97cf422 ACM	167	int evidx)
f1e9214c	168	{
34958544 ACM	169	struct map_symbol *ms = browser->b.priv;
34958544 ACM	170	struct symbol *sym = ms->sym;
c97cf422 ACM	171	struct annotation *notes = symbol__annotation(sym);
	172	struct objdump_line *pos;
	173
	174	browser->entries = RB_ROOT;
	175
	176	pthread_mutex_lock(&notes->lock);
	177
	178	list_for_each_entry(pos, &notes->src->source, node) {
	179	struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
	180	rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
	181	if (rbpos->percent < 0.01) {
	182	RB_CLEAR_NODE(&rbpos->rb_node);
	183	continue;
	184	}
	185	objdump__insert_line(&browser->entries, rbpos);
	186	}
	187	pthread_mutex_unlock(&notes->lock);
	188
	189	browser->curr_hot = rb_last(&browser->entries);
	190	}
	191
0361fc25 ACM	192	static bool annotate_browser__toggle_source(struct annotate_browser *browser)
	193	{
	194	struct objdump_line *ol;
	195	struct objdump_line_rb_node *olrb;
	196	off_t offset = browser->b.index - browser->b.top_idx;
	197
	198	browser->b.seek(&browser->b, offset, SEEK_CUR);
	199	ol = list_entry(browser->b.top, struct objdump_line, node);
	200	olrb = objdump_line__rb(ol);
	201
	202	if (browser->hide_src_code) {
	203	if (olrb->idx_asm < offset)
	204	offset = olrb->idx;
	205
	206	browser->b.nr_entries = browser->nr_entries;
	207	browser->hide_src_code = false;
	208	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	209	browser->b.top_idx = olrb->idx - offset;
	210	browser->b.index = olrb->idx;
	211	} else {
	212	if (olrb->idx_asm < 0) {
	213	ui_helpline__puts("Only available for assembly lines.");
	214	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	215	return false;
	216	}
	217
	218	if (olrb->idx_asm < offset)
	219	offset = olrb->idx_asm;
	220
	221	browser->b.nr_entries = browser->nr_asm_entries;
	222	browser->hide_src_code = true;
	223	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	224	browser->b.top_idx = olrb->idx_asm - offset;
	225	browser->b.index = olrb->idx_asm;
	226	}
	227
	228	return true;
	229	}
	230
c97cf422	231	static int annotate_browser__run(struct annotate_browser *self, int evidx,
34958544 ACM	232	int nr_events, void(timer)(void arg),
34958544 ACM	233	void *arg, int delay_secs)
c97cf422 ACM	234	{
c97cf422 ACM	235	struct rb_node *nd = NULL;
34958544 ACM	236	struct map_symbol *ms = self->b.priv;
34958544 ACM	237	struct symbol *sym = ms->sym;
0361fc25 ACM	238	const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, "
	239	"H: Hottest, -> Line action, S -> Toggle source "
	240	"code view";
b50e003d	241	int key;
f1e9214c	242
0361fc25	243	if (ui_browser__show(&self->b, sym->name, help) < 0)
f1e9214c	244	return -1;
c97cf422	245
c97cf422 ACM	246	annotate_browser__calc_percent(self, evidx);
	247
	248	if (self->curr_hot)
	249	annotate_browser__set_top(self, self->curr_hot);
f1e9214c ACM	250
f1e9214c ACM	251	nd = self->curr_hot;
c97cf422	252
f1e9214c	253	while (1) {
3af6e338	254	key = ui_browser__run(&self->b, delay_secs);
f1e9214c	255
81cce8de	256	if (delay_secs != 0) {
c97cf422 ACM	257	annotate_browser__calc_percent(self, evidx);
	258	/*
	259	* Current line focus got out of the list of most active
	260	* lines, NULL it so that if TAB\|UNTAB is pressed, we
	261	* move to curr_hot (current hottest line).
	262	*/
	263	if (nd != NULL && RB_EMPTY_NODE(nd))
	264	nd = NULL;
	265	}
	266
b50e003d	267	switch (key) {
c97cf422 ACM	268	case -1:
	269	/*
	270	* FIXME we need to check if it was
	271	* es.reason == NEWT_EXIT_TIMER
	272	*/
81cce8de ACM	273	if (timer != NULL)
	274	timer(arg);
	275
	276	if (delay_secs != 0)
c97cf422 ACM	277	symbol__annotate_decay_histogram(sym, evidx);
c97cf422 ACM	278	continue;
f1e9214c	279	case NEWT_KEY_TAB:
c97cf422 ACM	280	if (nd != NULL) {
	281	nd = rb_prev(nd);
	282	if (nd == NULL)
	283	nd = rb_last(&self->entries);
	284	} else
	285	nd = self->curr_hot;
f1e9214c ACM	286	break;
f1e9214c ACM	287	case NEWT_KEY_UNTAB:
c97cf422 ACM	288	if (nd != NULL)
	289	nd = rb_next(nd);
	290	if (nd == NULL)
	291	nd = rb_first(&self->entries);
	292	else
	293	nd = self->curr_hot;
	294	break;
	295	case 'H':
	296	nd = self->curr_hot;
f1e9214c	297	break;
0361fc25 ACM	298	case 'S':
	299	if (annotate_browser__toggle_source(self))
	300	ui_helpline__puts(help);
	301	continue;
34958544	302	case NEWT_KEY_ENTER:
234a5375 ACM	303	case NEWT_KEY_RIGHT:
	304	if (self->selection == NULL) {
	305	ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
	306	continue;
	307	}
	308
	309	if (self->selection->offset == -1) {
	310	ui_helpline__puts("Actions are only available for assembly lines.");
	311	continue;
	312	} else {
34958544 ACM	313	char *s = strstr(self->selection->line, "callq ");
	314	struct annotation *notes;
	315	struct symbol *target;
	316	u64 ip;
	317
234a5375 ACM	318	if (s == NULL) {
234a5375 ACM	319	ui_helpline__puts("Actions are only available for the 'callq' instruction.");
34958544	320	continue;
234a5375	321	}
34958544 ACM	322
34958544 ACM	323	s = strchr(s, ' ');
234a5375 ACM	324	if (s++ == NULL) {
234a5375 ACM	325	ui_helpline__puts("Invallid callq instruction.");
34958544	326	continue;
234a5375	327	}
34958544 ACM	328
	329	ip = strtoull(s, NULL, 16);
	330	ip = ms->map->map_ip(ms->map, ip);
	331	target = map__find_symbol(ms->map, ip, NULL);
234a5375 ACM	332	if (target == NULL) {
234a5375 ACM	333	ui_helpline__puts("The called function was not found.");
34958544	334	continue;
234a5375	335	}
34958544 ACM	336
	337	notes = symbol__annotation(target);
	338	pthread_mutex_lock(&notes->lock);
	339
	340	if (notes->src == NULL &&
	341	symbol__alloc_hist(target, nr_events) < 0) {
	342	pthread_mutex_unlock(&notes->lock);
	343	ui__warning("Not enough memory for annotating '%s' symbol!\n",
	344	target->name);
	345	continue;
	346	}
	347
	348	pthread_mutex_unlock(&notes->lock);
	349	symbol__tui_annotate(target, ms->map, evidx, nr_events,
	350	timer, arg, delay_secs);
	351	}
	352	break;
7296d66a ACM	353	case NEWT_KEY_LEFT:
7296d66a ACM	354	case NEWT_KEY_ESCAPE:
ed7e5662 ACM	355	case 'q':
ed7e5662 ACM	356	case CTRL('c'):
f1e9214c	357	goto out;
ed7e5662 ACM	358	default:
ed7e5662 ACM	359	continue;
f1e9214c	360	}
c97cf422 ACM	361
	362	if (nd != NULL)
	363	annotate_browser__set_top(self, nd);
f1e9214c ACM	364	}
f1e9214c ACM	365	out:
59e8fe32	366	ui_browser__hide(&self->b);
b50e003d	367	return key;
f1e9214c ACM	368	}
f1e9214c ACM	369
34958544	370	int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
81cce8de	371	void(timer)(void arg), void *arg, int delay_secs)
78f7defe	372	{
34958544	373	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
81cce8de	374	timer, arg, delay_secs);
78f7defe ACM	375	}
78f7defe ACM	376
c97cf422	377	int symbol__tui_annotate(struct symbol sym, struct map map, int evidx,
34958544 ACM	378	int nr_events, void(timer)(void arg), void *arg,
34958544 ACM	379	int delay_secs)
211ef127	380	{
211ef127	381	struct objdump_line pos, n;
db9a9cbc	382	struct annotation *notes;
34958544 ACM	383	struct map_symbol ms = {
	384	.map = map,
	385	.sym = sym,
	386	};
92221162 ACM	387	struct annotate_browser browser = {
92221162 ACM	388	.b = {
92221162 ACM	389	.refresh = ui_browser__list_head_refresh,
	390	.seek = ui_browser__list_head_seek,
	391	.write = annotate_browser__write,
0361fc25	392	.filter = objdump_line__filter,
34958544	393	.priv = &ms,
c172f742	394	.use_navkeypressed = true,
92221162	395	},
211ef127 ACM	396	};
	397	int ret;
	398
78f7defe	399	if (sym == NULL)
211ef127 ACM	400	return -1;
211ef127 ACM	401
78f7defe	402	if (map->dso->annotate_warned)
211ef127 ACM	403	return -1;
211ef127 ACM	404
c97cf422	405	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
1e6dd077	406	ui__error_window(ui_helpline__last_msg);
211ef127 ACM	407	return -1;
	408	}
	409
	410	ui_helpline__push("Press <- or ESC to exit");
	411
db9a9cbc LM	412	notes = symbol__annotation(sym);
db9a9cbc LM	413
ce6f4fab	414	list_for_each_entry(pos, &notes->src->source, node) {
c97cf422	415	struct objdump_line_rb_node *rbpos;
211ef127	416	size_t line_len = strlen(pos->line);
c97cf422	417
92221162 ACM	418	if (browser.b.width < line_len)
	419	browser.b.width = line_len;
	420	rbpos = objdump_line__rb(pos);
0361fc25 ACM	421	rbpos->idx = browser.nr_entries++;
	422	if (pos->offset != -1)
	423	rbpos->idx_asm = browser.nr_asm_entries++;
	424	else
	425	rbpos->idx_asm = -1;
92221162 ACM	426	}
92221162 ACM	427
0361fc25	428	browser.b.nr_entries = browser.nr_entries;
db9a9cbc	429	browser.b.entries = &notes->src->source,
92221162	430	browser.b.width += 18; /* Percentage */
34958544 ACM	431	ret = annotate_browser__run(&browser, evidx, nr_events,
34958544 ACM	432	timer, arg, delay_secs);
ce6f4fab	433	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
211ef127 ACM	434	list_del(&pos->node);
	435	objdump_line__free(pos);
	436	}
211ef127 ACM	437	return ret;
211ef127 ACM	438	}