[thirdparty/kernel/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>
#include <newt.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 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, 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);
			}
			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, 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>
cf958003	9	#include <newt.h>
211ef127 ACM	10
	11	static void ui__error_window(const char *fmt, ...)
	12	{
	13	va_list ap;
	14
	15	va_start(ap, fmt);
	16	newtWinMessagev((char )"Error", (char )"Ok", (char *)fmt, ap);
	17	va_end(ap);
	18	}
	19
92221162 ACM	20	struct annotate_browser {
	21	struct ui_browser b;
	22	struct rb_root entries;
f1e9214c	23	struct rb_node *curr_hot;
34958544	24	struct objdump_line *selection;
0361fc25 ACM	25	int nr_asm_entries;
	26	int nr_entries;
	27	bool hide_src_code;
92221162 ACM	28	};
	29
	30	struct objdump_line_rb_node {
	31	struct rb_node rb_node;
	32	double percent;
	33	u32 idx;
0361fc25	34	int idx_asm;
92221162 ACM	35	};
	36
	37	static inline
	38	struct objdump_line_rb_node objdump_line__rb(struct objdump_line self)
	39	{
	40	return (struct objdump_line_rb_node *)(self + 1);
	41	}
	42
0361fc25 ACM	43	static bool objdump_line__filter(struct ui_browser browser, void entry)
	44	{
	45	struct annotate_browser *ab = container_of(browser, struct annotate_browser, b);
	46
	47	if (ab->hide_src_code) {
	48	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
	49	return ol->offset == -1;
	50	}
	51
	52	return false;
	53	}
	54
211ef127 ACM	55	static void annotate_browser__write(struct ui_browser self, void entry, int row)
211ef127 ACM	56	{
34958544	57	struct annotate_browser *ab = container_of(self, struct annotate_browser, b);
0361fc25	58	struct objdump_line *ol = list_entry(entry, struct objdump_line, node);
211ef127 ACM	59	bool current_entry = ui_browser__is_current_entry(self, row);
	60	int width = self->width;
	61
	62	if (ol->offset != -1) {
92221162	63	struct objdump_line_rb_node *olrb = objdump_line__rb(ol);
8f9bbc40	64	ui_browser__set_percent_color(self, olrb->percent, current_entry);
92221162	65	slsmg_printf(" %7.2f ", olrb->percent);
92221162	66	} else {
8f9bbc40	67	ui_browser__set_percent_color(self, 0, current_entry);
92221162 ACM	68	slsmg_write_nstring(" ", 9);
	69	}
	70
	71	SLsmg_write_char(':');
	72	slsmg_write_nstring(" ", 8);
c172f742 ACM	73
	74	/* The scroll bar isn't being used */
	75	if (!self->navkeypressed)
	76	width += 1;
	77
92221162 ACM	78	if (!*ol->line)
	79	slsmg_write_nstring(" ", width - 18);
	80	else
	81	slsmg_write_nstring(ol->line, width - 18);
b99976e2 ACM	82
	83	if (!current_entry)
	84	ui_browser__set_color(self, HE_COLORSET_CODE);
34958544 ACM	85	else
34958544 ACM	86	ab->selection = ol;
92221162 ACM	87	}
	88
	89	static double objdump_line__calc_percent(struct objdump_line *self,
2f525d01	90	struct symbol *sym, int evidx)
92221162 ACM	91	{
	92	double percent = 0.0;
	93
	94	if (self->offset != -1) {
	95	int len = sym->end - sym->start;
211ef127	96	unsigned int hits = 0;
78f7defe	97	struct annotation *notes = symbol__annotation(sym);
ce6f4fab	98	struct source_line *src_line = notes->src->lines;
2f525d01	99	struct sym_hist *h = annotation__histogram(notes, evidx);
92221162	100	s64 offset = self->offset;
ce6f4fab	101	struct objdump_line *next;
92221162	102
ce6f4fab	103	next = objdump__get_next_ip_line(&notes->src->source, self);
211ef127 ACM	104	while (offset < (s64)len &&
211ef127 ACM	105	(next == NULL \|\| offset < next->offset)) {
78f7defe ACM	106	if (src_line) {
78f7defe ACM	107	percent += src_line[offset].percent;
211ef127	108	} else
78f7defe	109	hits += h->addr[offset];
211ef127 ACM	110
	111	++offset;
	112	}
78f7defe ACM	113	/*
	114	* If the percentage wasn't already calculated in
	115	* symbol__get_source_line, do it now:
	116	*/
	117	if (src_line == NULL && h->sum)
211ef127	118	percent = 100.0 * hits / h->sum;
211ef127 ACM	119	}
211ef127 ACM	120
92221162 ACM	121	return percent;
	122	}
	123
	124	static void objdump__insert_line(struct rb_root *self,
	125	struct objdump_line_rb_node *line)
	126	{
	127	struct rb_node **p = &self->rb_node;
	128	struct rb_node *parent = NULL;
	129	struct objdump_line_rb_node *l;
	130
	131	while (*p != NULL) {
	132	parent = *p;
	133	l = rb_entry(parent, struct objdump_line_rb_node, rb_node);
	134	if (line->percent < l->percent)
	135	p = &(*p)->rb_left;
	136	else
	137	p = &(*p)->rb_right;
	138	}
	139	rb_link_node(&line->rb_node, parent, p);
	140	rb_insert_color(&line->rb_node, self);
211ef127 ACM	141	}
211ef127 ACM	142
f1e9214c ACM	143	static void annotate_browser__set_top(struct annotate_browser *self,
	144	struct rb_node *nd)
	145	{
	146	struct objdump_line_rb_node *rbpos;
	147	struct objdump_line *pos;
	148	unsigned back;
	149
	150	ui_browser__refresh_dimensions(&self->b);
	151	back = self->b.height / 2;
	152	rbpos = rb_entry(nd, struct objdump_line_rb_node, rb_node);
	153	pos = ((struct objdump_line *)rbpos) - 1;
	154	self->b.top_idx = self->b.index = rbpos->idx;
	155
	156	while (self->b.top_idx != 0 && back != 0) {
	157	pos = list_entry(pos->node.prev, struct objdump_line, node);
	158
	159	--self->b.top_idx;
	160	--back;
	161	}
	162
	163	self->b.top = pos;
	164	self->curr_hot = nd;
	165	}
	166
c97cf422 ACM	167	static void annotate_browser__calc_percent(struct annotate_browser *browser,
c97cf422 ACM	168	int evidx)
f1e9214c	169	{
34958544 ACM	170	struct map_symbol *ms = browser->b.priv;
34958544 ACM	171	struct symbol *sym = ms->sym;
c97cf422 ACM	172	struct annotation *notes = symbol__annotation(sym);
	173	struct objdump_line *pos;
	174
	175	browser->entries = RB_ROOT;
	176
	177	pthread_mutex_lock(&notes->lock);
	178
	179	list_for_each_entry(pos, &notes->src->source, node) {
	180	struct objdump_line_rb_node *rbpos = objdump_line__rb(pos);
	181	rbpos->percent = objdump_line__calc_percent(pos, sym, evidx);
	182	if (rbpos->percent < 0.01) {
	183	RB_CLEAR_NODE(&rbpos->rb_node);
	184	continue;
	185	}
	186	objdump__insert_line(&browser->entries, rbpos);
	187	}
	188	pthread_mutex_unlock(&notes->lock);
	189
	190	browser->curr_hot = rb_last(&browser->entries);
	191	}
	192
0361fc25 ACM	193	static bool annotate_browser__toggle_source(struct annotate_browser *browser)
	194	{
	195	struct objdump_line *ol;
	196	struct objdump_line_rb_node *olrb;
	197	off_t offset = browser->b.index - browser->b.top_idx;
	198
	199	browser->b.seek(&browser->b, offset, SEEK_CUR);
	200	ol = list_entry(browser->b.top, struct objdump_line, node);
	201	olrb = objdump_line__rb(ol);
	202
	203	if (browser->hide_src_code) {
	204	if (olrb->idx_asm < offset)
	205	offset = olrb->idx;
	206
	207	browser->b.nr_entries = browser->nr_entries;
	208	browser->hide_src_code = false;
	209	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	210	browser->b.top_idx = olrb->idx - offset;
	211	browser->b.index = olrb->idx;
	212	} else {
	213	if (olrb->idx_asm < 0) {
	214	ui_helpline__puts("Only available for assembly lines.");
	215	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	216	return false;
	217	}
	218
	219	if (olrb->idx_asm < offset)
	220	offset = olrb->idx_asm;
	221
	222	browser->b.nr_entries = browser->nr_asm_entries;
	223	browser->hide_src_code = true;
	224	browser->b.seek(&browser->b, -offset, SEEK_CUR);
	225	browser->b.top_idx = olrb->idx_asm - offset;
	226	browser->b.index = olrb->idx_asm;
	227	}
	228
	229	return true;
	230	}
	231
c97cf422	232	static int annotate_browser__run(struct annotate_browser *self, int evidx,
34958544 ACM	233	int nr_events, void(timer)(void arg),
34958544 ACM	234	void *arg, int delay_secs)
c97cf422 ACM	235	{
c97cf422 ACM	236	struct rb_node *nd = NULL;
34958544 ACM	237	struct map_symbol *ms = self->b.priv;
34958544 ACM	238	struct symbol *sym = ms->sym;
0361fc25 ACM	239	const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, "
	240	"H: Hottest, -> Line action, S -> Toggle source "
	241	"code view";
b50e003d	242	int key;
f1e9214c	243
0361fc25	244	if (ui_browser__show(&self->b, sym->name, help) < 0)
f1e9214c	245	return -1;
c97cf422	246
c97cf422 ACM	247	annotate_browser__calc_percent(self, evidx);
	248
	249	if (self->curr_hot)
	250	annotate_browser__set_top(self, self->curr_hot);
f1e9214c ACM	251
f1e9214c ACM	252	nd = self->curr_hot;
c97cf422	253
f1e9214c	254	while (1) {
3af6e338	255	key = ui_browser__run(&self->b, delay_secs);
f1e9214c	256
81cce8de	257	if (delay_secs != 0) {
c97cf422 ACM	258	annotate_browser__calc_percent(self, evidx);
	259	/*
	260	* Current line focus got out of the list of most active
	261	* lines, NULL it so that if TAB\|UNTAB is pressed, we
	262	* move to curr_hot (current hottest line).
	263	*/
	264	if (nd != NULL && RB_EMPTY_NODE(nd))
	265	nd = NULL;
	266	}
	267
b50e003d	268	switch (key) {
cf958003	269	case K_TIMER:
81cce8de ACM	270	if (timer != NULL)
	271	timer(arg);
	272
	273	if (delay_secs != 0)
c97cf422 ACM	274	symbol__annotate_decay_histogram(sym, evidx);
c97cf422 ACM	275	continue;
cf958003	276	case K_TAB:
c97cf422 ACM	277	if (nd != NULL) {
	278	nd = rb_prev(nd);
	279	if (nd == NULL)
	280	nd = rb_last(&self->entries);
	281	} else
	282	nd = self->curr_hot;
f1e9214c	283	break;
cf958003	284	case K_UNTAB:
c97cf422 ACM	285	if (nd != NULL)
	286	nd = rb_next(nd);
	287	if (nd == NULL)
	288	nd = rb_first(&self->entries);
	289	else
	290	nd = self->curr_hot;
	291	break;
	292	case 'H':
	293	nd = self->curr_hot;
f1e9214c	294	break;
0361fc25 ACM	295	case 'S':
	296	if (annotate_browser__toggle_source(self))
	297	ui_helpline__puts(help);
	298	continue;
cf958003 ACM	299	case K_ENTER:
cf958003 ACM	300	case K_RIGHT:
234a5375 ACM	301	if (self->selection == NULL) {
	302	ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org");
	303	continue;
	304	}
	305
	306	if (self->selection->offset == -1) {
	307	ui_helpline__puts("Actions are only available for assembly lines.");
	308	continue;
	309	} else {
34958544 ACM	310	char *s = strstr(self->selection->line, "callq ");
	311	struct annotation *notes;
	312	struct symbol *target;
	313	u64 ip;
	314
234a5375 ACM	315	if (s == NULL) {
234a5375 ACM	316	ui_helpline__puts("Actions are only available for the 'callq' instruction.");
34958544	317	continue;
234a5375	318	}
34958544 ACM	319
34958544 ACM	320	s = strchr(s, ' ');
234a5375 ACM	321	if (s++ == NULL) {
234a5375 ACM	322	ui_helpline__puts("Invallid callq instruction.");
34958544	323	continue;
234a5375	324	}
34958544 ACM	325
	326	ip = strtoull(s, NULL, 16);
	327	ip = ms->map->map_ip(ms->map, ip);
	328	target = map__find_symbol(ms->map, ip, NULL);
234a5375 ACM	329	if (target == NULL) {
234a5375 ACM	330	ui_helpline__puts("The called function was not found.");
34958544	331	continue;
234a5375	332	}
34958544 ACM	333
	334	notes = symbol__annotation(target);
	335	pthread_mutex_lock(&notes->lock);
	336
	337	if (notes->src == NULL &&
	338	symbol__alloc_hist(target, nr_events) < 0) {
	339	pthread_mutex_unlock(&notes->lock);
	340	ui__warning("Not enough memory for annotating '%s' symbol!\n",
	341	target->name);
	342	continue;
	343	}
	344
	345	pthread_mutex_unlock(&notes->lock);
	346	symbol__tui_annotate(target, ms->map, evidx, nr_events,
	347	timer, arg, delay_secs);
	348	}
fe46e64c	349	continue;
cf958003 ACM	350	case K_LEFT:
cf958003 ACM	351	case K_ESC:
ed7e5662 ACM	352	case 'q':
ed7e5662 ACM	353	case CTRL('c'):
f1e9214c	354	goto out;
ed7e5662 ACM	355	default:
ed7e5662 ACM	356	continue;
f1e9214c	357	}
c97cf422 ACM	358
	359	if (nd != NULL)
	360	annotate_browser__set_top(self, nd);
f1e9214c ACM	361	}
f1e9214c ACM	362	out:
59e8fe32	363	ui_browser__hide(&self->b);
b50e003d	364	return key;
f1e9214c ACM	365	}
f1e9214c ACM	366
34958544	367	int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int nr_events,
81cce8de	368	void(timer)(void arg), void *arg, int delay_secs)
78f7defe	369	{
34958544	370	return symbol__tui_annotate(he->ms.sym, he->ms.map, evidx, nr_events,
81cce8de	371	timer, arg, delay_secs);
78f7defe ACM	372	}
78f7defe ACM	373
c97cf422	374	int symbol__tui_annotate(struct symbol sym, struct map map, int evidx,
34958544 ACM	375	int nr_events, void(timer)(void arg), void *arg,
34958544 ACM	376	int delay_secs)
211ef127	377	{
211ef127	378	struct objdump_line pos, n;
db9a9cbc	379	struct annotation *notes;
34958544 ACM	380	struct map_symbol ms = {
	381	.map = map,
	382	.sym = sym,
	383	};
92221162 ACM	384	struct annotate_browser browser = {
92221162 ACM	385	.b = {
92221162 ACM	386	.refresh = ui_browser__list_head_refresh,
	387	.seek = ui_browser__list_head_seek,
	388	.write = annotate_browser__write,
0361fc25	389	.filter = objdump_line__filter,
34958544	390	.priv = &ms,
c172f742	391	.use_navkeypressed = true,
92221162	392	},
211ef127 ACM	393	};
	394	int ret;
	395
78f7defe	396	if (sym == NULL)
211ef127 ACM	397	return -1;
211ef127 ACM	398
78f7defe	399	if (map->dso->annotate_warned)
211ef127 ACM	400	return -1;
211ef127 ACM	401
c97cf422	402	if (symbol__annotate(sym, map, sizeof(struct objdump_line_rb_node)) < 0) {
1e6dd077	403	ui__error_window(ui_helpline__last_msg);
211ef127 ACM	404	return -1;
	405	}
	406
	407	ui_helpline__push("Press <- or ESC to exit");
	408
db9a9cbc LM	409	notes = symbol__annotation(sym);
db9a9cbc LM	410
ce6f4fab	411	list_for_each_entry(pos, &notes->src->source, node) {
c97cf422	412	struct objdump_line_rb_node *rbpos;
211ef127	413	size_t line_len = strlen(pos->line);
c97cf422	414
92221162 ACM	415	if (browser.b.width < line_len)
	416	browser.b.width = line_len;
	417	rbpos = objdump_line__rb(pos);
0361fc25 ACM	418	rbpos->idx = browser.nr_entries++;
	419	if (pos->offset != -1)
	420	rbpos->idx_asm = browser.nr_asm_entries++;
	421	else
	422	rbpos->idx_asm = -1;
92221162 ACM	423	}
92221162 ACM	424
0361fc25	425	browser.b.nr_entries = browser.nr_entries;
db9a9cbc	426	browser.b.entries = &notes->src->source,
92221162	427	browser.b.width += 18; /* Percentage */
34958544 ACM	428	ret = annotate_browser__run(&browser, evidx, nr_events,
34958544 ACM	429	timer, arg, delay_secs);
ce6f4fab	430	list_for_each_entry_safe(pos, n, &notes->src->source, node) {
211ef127 ACM	431	list_del(&pos->node);
	432	objdump_line__free(pos);
	433	}
211ef127 ACM	434	return ret;
211ef127 ACM	435	}