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

#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;
}
Commit	Line	Data
ae55795e	1	#include "../../util.h"
211ef127 ACM	2	#include "../browser.h"
	3	#include "../helpline.h"
	4	#include "../libslang.h"
ae55795e ACM	5	#include "../ui.h"
ae55795e ACM	6	#include "../util.h"
78f7defe	7	#include "../../annotate.h"
211ef127 ACM	8	#include "../../hist.h"
	9	#include "../../sort.h"
	10	#include "../../symbol.h"
c97cf422	11	#include <pthread.h>
cf958003	12	#include <newt.h>
211ef127	13
92221162 ACM	14	struct annotate_browser {
	15	struct ui_browser b;
	16	struct rb_root entries;
f1e9214c	17	struct rb_node *curr_hot;
34958544	18	struct objdump_line *selection;
0361fc25 ACM	19	int nr_asm_entries;
	20	int nr_entries;
	21	bool hide_src_code;
92221162 ACM	22	};
	23
	24	struct objdump_line_rb_node {
	25	struct rb_node rb_node;
	26	double percent;
	27	u32 idx;
0361fc25	28	int idx_asm;
92221162 ACM	29	};
	30
	31	static inline
	32	struct objdump_line_rb_node objdump_line__rb(struct objdump_line self)
	33	{
	34	return (struct objdump_line_rb_node *)(self + 1);
	35	}
	36
0361fc25 ACM	37	static bool objdump_line__filter(struct ui_browser browser, void entry)
	38	{
	39	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
	40
	41	if (ab->hide_src_code) {
	42	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
	43	return ol->offset == -1;
	44	}
	45
	46	return false;
	47	}
	48
211ef127 ACM	49	static void annotate_browser__write(struct ui_browser self, void entry, int row)
211ef127 ACM	50	{
34958544	51	struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
0361fc25	52	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
211ef127 ACM	53	bool current_entry = ui_browser__is_current_entry(self, row);
	54	int width = self->width;
	55
	56	if (ol->offset != -1) {
92221162	57	struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
8f9bbc40	58	ui_browser__set_percent_color(self, olrb->percent, current_entry);
92221162	59	slsmg_printf(" %7.2f ", olrb->percent);
92221162	60	} else {
8f9bbc40	61	ui_browser__set_percent_color(self, 0, current_entry);
92221162 ACM	62	slsmg_write_nstring(" ", 9);
	63	}
	64
	65	SLsmg_write_char(':');
	66	slsmg_write_nstring(" ", 8);
c172f742 ACM	67
	68	/* The scroll bar isn't being used */
	69	if (!self->navkeypressed)
	70	width += 1;
	71
58e817d9 NK	72	if (!ab->hide_src_code && ol->offset != -1)
	73	if (!current_entry \|\| (self->use_navkeypressed &&
	74	!self->navkeypressed))
	75	ui_browser__set_color(self, HE_COLORSET_CODE);
	76
92221162 ACM	77	if (!*ol->line)
	78	slsmg_write_nstring(" ", width - 18);
	79	else
	80	slsmg_write_nstring(ol->line, width - 18);
b99976e2	81
58e817d9	82	if (current_entry)
34958544	83	ab->selection = ol;
92221162 ACM	84	}
	85
	86	static double objdump_line__calc_percent(struct objdump_line *self,
2f525d01	87	struct symbol *sym, int evidx)
92221162 ACM	88	{
	89	double percent = 0.0;
	90
	91	if (self->offset != -1) {
	92	int len = sym->end - sym->start;
211ef127	93	unsigned int hits = 0;
78f7defe	94	struct annotation *notes = symbol__annotation(sym);
ce6f4fab	95	struct source_line *src_line = notes->src->lines;
2f525d01	96	struct sym_hist *h = annotation__histogram(notes, evidx);
92221162	97	s64 offset = self->offset;
ce6f4fab	98	struct objdump_line *next;
92221162	99
ce6f4fab	100	next = objdump__get_next_ip_line(&notes->src->source, self);
211ef127 ACM	101	while (offset < (s64)len &&
211ef127 ACM	102	(next == NULL \|\| offset < next->offset)) {
78f7defe ACM	103	if (src_line) {
78f7defe ACM	104	percent += src_line[offset].percent;
211ef127	105	} else
78f7defe	106	hits += h->addr[offset];
211ef127 ACM	107
	108	++offset;
	109	}
78f7defe ACM	110	/*
	111	* If the percentage wasn't already calculated in
	112	* symbol__get_source_line, do it now:
	113	*/
	114	if (src_line == NULL && h->sum)
211ef127	115	percent = 100.0 * hits / h->sum;
211ef127 ACM	116	}
211ef127 ACM	117
92221162 ACM	118	return percent;
	119	}
	120
	121	static void objdump__insert_line(struct rb_root *self,
	122	struct objdump_line_rb_node *line)
	123	{
	124	struct rb_node **p = &self->rb_node;
	125	struct rb_node *parent = NULL;
	126	struct objdump_line_rb_node *l;
	127
	128	while (*p != NULL) {
	129	parent = *p;
	130	l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
	131	if (line->percent < l->percent)
	132	p = &(*p)->rb_left;
	133	else
	134	p = &(*p)->rb_right;
	135	}
	136	rb_link_node(&line->rb_node, parent, p);
	137	rb_insert_color(&line->rb_node, self);
211ef127 ACM	138	}
211ef127 ACM	139
f1e9214c ACM	140	static void annotate_browser__set_top(struct annotate_browser *self,
	141	struct rb_node *nd)
	142	{
	143	struct objdump_line_rb_node *rbpos;
	144	struct objdump_line *pos;
	145	unsigned back;
	146
	147	ui_browser__refresh_dimensions(&self->b);
	148	back = self->b.height / 2;
	149	rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
	150	pos = ((struct objdump_line *)rbpos) - 1;
	151	self->b.top_idx = self->b.index = rbpos->idx;
	152
	153	while (self->b.top_idx != 0 && back != 0) {
	154	pos = list_entry(pos->node.prev, struct objdump_line, node);
	155
	156	--self->b.top_idx;
	157	--back;
	158	}
	159
	160	self->b.top = pos;
	161	self->curr_hot = nd;
	162	}
	163
c97cf422 ACM	164	static void annotate_browser__calc_percent(struct annotate_browser *browser,
c97cf422 ACM	165	int evidx)
f1e9214c	166	{
34958544 ACM	167	struct map_symbol *ms = browser->b.priv;
34958544 ACM	168	struct symbol *sym = ms->sym;
c97cf422 ACM	169	struct annotation *notes = symbol__annotation(sym);
	170	struct objdump_line *pos;
	171
	172	browser->entries = RB_ROOT;
	173
	174	pthread_mutex_lock(&notes->lock);
	175
	176	list_for_each_entry(pos, &notes->src->source, node) {
	177	struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
	178	rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
	179	if (rbpos->percent < 0.01) {
	180	RB_CLEAR_NODE(&rbpos->rb_node);
	181	continue;
	182	}
	183	objdump__insert_line(&browser->entries, rbpos);
	184	}
	185	pthread_mutex_unlock(&notes->lock);
	186
	187	browser->curr_hot = rb_last(&browser->entries);
	188	}
	189
0361fc25 ACM	190	static bool annotate_browser__toggle_source(struct annotate_browser *browser)
	191	{
	192	struct objdump_line *ol;
	193	struct objdump_line_rb_node *olrb;
	194	off_t offset = browser->b.index - browser->b.top_idx;
	195
	196	browser->b.seek(&browser->b, offset, SEEK_CUR);
	197	ol = list_entry(browser->b.top, struct objdump_line, node);
	198	olrb = objdump_line__rb(ol);
	199
	200	if (browser->hide_src_code) {
	201	if (olrb->idx_asm < offset)
	202	offset = olrb->idx;
	203
	204	browser->b.nr_entries = browser->nr_entries;
	205	browser->hide_src_code = false;
	206	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	207	browser->b.top_idx = olrb->idx - offset;
	208	browser->b.index = olrb->idx;
	209	} else {
	210	if (olrb->idx_asm < 0) {
	211	ui_helpline__puts("Only available for assembly lines.");
	212	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	213	return false;
	214	}
	215
	216	if (olrb->idx_asm < offset)
	217	offset = olrb->idx_asm;
	218
	219	browser->b.nr_entries = browser->nr_asm_entries;
	220	browser->hide_src_code = true;
	221	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	222	browser->b.top_idx = olrb->idx_asm - offset;
	223	browser->b.index = olrb->idx_asm;
	224	}
	225
	226	return true;
	227	}
	228
c97cf422	229	static int annotate_browser__run(struct annotate_browser *self, int evidx,
d04b35f8	230	void(timer)(void arg),
34958544	231	void *arg, int delay_secs)
c97cf422 ACM	232	{
c97cf422 ACM	233	struct rb_node *nd = NULL;
34958544 ACM	234	struct map_symbol *ms = self->b.priv;
34958544 ACM	235	struct symbol *sym = ms->sym;
0361fc25 ACM	236	const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, "
	237	"H: Hottest, -> Line action, S -> Toggle source "
	238	"code view";
b50e003d	239	int key;
f1e9214c	240
0361fc25	241	if (ui_browser__show(&self->b, sym->name, help) < 0)
f1e9214c	242	return -1;
c97cf422	243
c97cf422 ACM	244	annotate_browser__calc_percent(self, evidx);
	245
	246	if (self->curr_hot)
	247	annotate_browser__set_top(self, self->curr_hot);
f1e9214c ACM	248
f1e9214c ACM	249	nd = self->curr_hot;
c97cf422	250
f1e9214c	251	while (1) {
3af6e338	252	key = ui_browser__run(&self->b, delay_secs);
f1e9214c	253
81cce8de	254	if (delay_secs != 0) {
c97cf422 ACM	255	annotate_browser__calc_percent(self, evidx);
	256	/*
	257	* Current line focus got out of the list of most active
	258	* lines, NULL it so that if TAB\|UNTAB is pressed, we
	259	* move to curr_hot (current hottest line).
	260	*/
	261	if (nd != NULL && RB_EMPTY_NODE(nd))
	262	nd = NULL;
	263	}
	264
b50e003d	265	switch (key) {
cf958003	266	case K_TIMER:
81cce8de ACM	267	if (timer != NULL)
	268	timer(arg);
	269
	270	if (delay_secs != 0)
c97cf422 ACM	271	symbol__annotate_decay_histogram(sym, evidx);
c97cf422 ACM	272	continue;
cf958003	273	case K_TAB:
c97cf422 ACM	274	if (nd != NULL) {
	275	nd = rb_prev(nd);
	276	if (nd == NULL)
	277	nd = rb_last(&self->entries);
	278	} else
	279	nd = self->curr_hot;
f1e9214c	280	break;
cf958003	281	case K_UNTAB:
c97cf422 ACM	282	if (nd != NULL)
	283	nd = rb_next(nd);
	284	if (nd == NULL)
	285	nd = rb_first(&self->entries);
	286	else
	287	nd = self->curr_hot;
	288	break;
	289	case 'H':
	290	nd = self->curr_hot;
f1e9214c	291	break;
0361fc25 ACM	292	case 'S':
	293	if (annotate_browser__toggle_source(self))
	294	ui_helpline__puts(help);
	295	continue;
cf958003 ACM	296	case K_ENTER:
cf958003 ACM	297	case K_RIGHT:
234a5375 ACM	298	if (self->selection == NULL) {
	299	ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
	300	continue;
	301	}
	302
	303	if (self->selection->offset == -1) {
	304	ui_helpline__puts("Actions are only available for assembly lines.");
	305	continue;
	306	} else {
34958544 ACM	307	char *s = strstr(self->selection->line, "callq ");
	308	struct annotation *notes;
	309	struct symbol *target;
	310	u64 ip;
	311
234a5375 ACM	312	if (s == NULL) {
234a5375 ACM	313	ui_helpline__puts("Actions are only available for the 'callq' instruction.");
34958544	314	continue;
234a5375	315	}
34958544 ACM	316
34958544 ACM	317	s = strchr(s, ' ');
234a5375 ACM	318	if (s++ == NULL) {
234a5375 ACM	319	ui_helpline__puts("Invallid callq instruction.");
34958544	320	continue;
234a5375	321	}
34958544 ACM	322
	323	ip = strtoull(s, NULL, 16);
	324	ip = ms->map->map_ip(ms->map, ip);
	325	target = map__find_symbol(ms->map, ip, NULL);
234a5375 ACM	326	if (target == NULL) {
234a5375 ACM	327	ui_helpline__puts("The called function was not found.");
34958544	328	continue;
234a5375	329	}
34958544 ACM	330
	331	notes = symbol__annotation(target);
	332	pthread_mutex_lock(&notes->lock);
	333
d04b35f8	334	if (notes->src == NULL && symbol__alloc_hist(target) < 0) {
34958544 ACM	335	pthread_mutex_unlock(&notes->lock);
	336	ui__warning("Not enough memory for annotating '%s' symbol!\n",
	337	target->name);
	338	continue;
	339	}
	340
	341	pthread_mutex_unlock(&notes->lock);
d04b35f8	342	symbol__tui_annotate(target, ms->map, evidx,
34958544 ACM	343	timer, arg, delay_secs);
34958544 ACM	344	}
fe46e64c	345	continue;
cf958003 ACM	346	case K_LEFT:
cf958003 ACM	347	case K_ESC:
ed7e5662 ACM	348	case 'q':
ed7e5662 ACM	349	case CTRL('c'):
f1e9214c	350	goto out;
ed7e5662 ACM	351	default:
ed7e5662 ACM	352	continue;
f1e9214c	353	}
c97cf422 ACM	354
	355	if (nd != NULL)
	356	annotate_browser__set_top(self, nd);
f1e9214c ACM	357	}
f1e9214c ACM	358	out:
59e8fe32	359	ui_browser__hide(&self->b);
b50e003d	360	return key;
f1e9214c ACM	361	}
f1e9214c ACM	362
d04b35f8	363	int hist_entry__tui_annotate(struct hist_entry *he, int evidx,
81cce8de	364	void(timer)(void arg), void *arg, int delay_secs)
78f7defe	365	{
d04b35f8	366	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx,
81cce8de	367	timer, arg, delay_secs);
78f7defe ACM	368	}
78f7defe ACM	369
c97cf422	370	int symbol__tui_annotate(struct symbol sym, struct map map, int evidx,
d04b35f8	371	void(timer)(void arg), void *arg,
34958544	372	int delay_secs)
211ef127	373	{
211ef127	374	struct objdump_line pos, n;
db9a9cbc	375	struct annotation *notes;
34958544 ACM	376	struct map_symbol ms = {
	377	.map = map,
	378	.sym = sym,
	379	};
92221162 ACM	380	struct annotate_browser browser = {
92221162 ACM	381	.b = {
92221162 ACM	382	.refresh = ui_browser__list_head_refresh,
	383	.seek = ui_browser__list_head_seek,
	384	.write = annotate_browser__write,
0361fc25	385	.filter = objdump_line__filter,
34958544	386	.priv = &ms,
c172f742	387	.use_navkeypressed = true,
92221162	388	},
211ef127 ACM	389	};
	390	int ret;
	391
78f7defe	392	if (sym == NULL)
211ef127 ACM	393	return -1;
211ef127 ACM	394
78f7defe	395	if (map->dso->annotate_warned)
211ef127 ACM	396	return -1;
211ef127 ACM	397
c97cf422	398	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
ae55795e	399	ui__error("%s", ui_helpline__last_msg);
211ef127 ACM	400	return -1;
	401	}
	402
	403	ui_helpline__push("Press <- or ESC to exit");
	404
db9a9cbc LM	405	notes = symbol__annotation(sym);
db9a9cbc LM	406
ce6f4fab	407	list_for_each_entry(pos, &notes->src->source, node) {
c97cf422	408	struct objdump_line_rb_node *rbpos;
211ef127	409	size_t line_len = strlen(pos->line);
c97cf422	410
92221162 ACM	411	if (browser.b.width < line_len)
	412	browser.b.width = line_len;
	413	rbpos = objdump_line__rb(pos);
0361fc25 ACM	414	rbpos->idx = browser.nr_entries++;
	415	if (pos->offset != -1)
	416	rbpos->idx_asm = browser.nr_asm_entries++;
	417	else
	418	rbpos->idx_asm = -1;
92221162 ACM	419	}
92221162 ACM	420
0361fc25	421	browser.b.nr_entries = browser.nr_entries;
db9a9cbc	422	browser.b.entries = &notes->src->source,
92221162	423	browser.b.width += 18; /* Percentage */
d04b35f8	424	ret = annotate_browser__run(&browser, evidx, timer, arg, delay_secs);
ce6f4fab	425	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
211ef127 ACM	426	list_del(&pos->node);
	427	objdump_line__free(pos);
	428	}
211ef127 ACM	429	return ret;
211ef127 ACM	430	}