Commit | Line | Data |
---|---|---|
d1b4f249 ACM |
1 | #define _GNU_SOURCE |
2 | #include <stdio.h> | |
3 | #undef _GNU_SOURCE | |
4 | #include "../libslang.h" | |
5 | #include <stdlib.h> | |
6 | #include <string.h> | |
7 | #include <newt.h> | |
8 | #include <linux/rbtree.h> | |
9 | ||
e248de33 ACM |
10 | #include "../../evsel.h" |
11 | #include "../../evlist.h" | |
d1b4f249 ACM |
12 | #include "../../hist.h" |
13 | #include "../../pstack.h" | |
14 | #include "../../sort.h" | |
15 | #include "../../util.h" | |
16 | ||
17 | #include "../browser.h" | |
18 | #include "../helpline.h" | |
19 | #include "../util.h" | |
20 | #include "map.h" | |
21 | ||
d1b4f249 ACM |
22 | struct hist_browser { |
23 | struct ui_browser b; | |
24 | struct hists *hists; | |
25 | struct hist_entry *he_selection; | |
26 | struct map_symbol *selection; | |
81cce8de ACM |
27 | const struct thread *thread_filter; |
28 | const struct dso *dso_filter; | |
724c9c9f | 29 | bool has_symbols; |
d1b4f249 ACM |
30 | }; |
31 | ||
81cce8de ACM |
32 | static int hists__browser_title(struct hists *self, char *bf, size_t size, |
33 | const char *ev_name, const struct dso *dso, | |
34 | const struct thread *thread); | |
35 | ||
d1b4f249 ACM |
36 | static void hist_browser__refresh_dimensions(struct hist_browser *self) |
37 | { | |
38 | /* 3 == +/- toggle symbol before actual hist_entry rendering */ | |
39 | self->b.width = 3 + (hists__sort_list_width(self->hists) + | |
40 | sizeof("[k]")); | |
41 | } | |
42 | ||
43 | static void hist_browser__reset(struct hist_browser *self) | |
44 | { | |
45 | self->b.nr_entries = self->hists->nr_entries; | |
46 | hist_browser__refresh_dimensions(self); | |
47 | ui_browser__reset_index(&self->b); | |
48 | } | |
49 | ||
50 | static char tree__folded_sign(bool unfolded) | |
51 | { | |
52 | return unfolded ? '-' : '+'; | |
53 | } | |
54 | ||
55 | static char map_symbol__folded(const struct map_symbol *self) | |
56 | { | |
57 | return self->has_children ? tree__folded_sign(self->unfolded) : ' '; | |
58 | } | |
59 | ||
60 | static char hist_entry__folded(const struct hist_entry *self) | |
61 | { | |
62 | return map_symbol__folded(&self->ms); | |
63 | } | |
64 | ||
65 | static char callchain_list__folded(const struct callchain_list *self) | |
66 | { | |
67 | return map_symbol__folded(&self->ms); | |
68 | } | |
69 | ||
3c916cc2 ACM |
70 | static void map_symbol__set_folding(struct map_symbol *self, bool unfold) |
71 | { | |
72 | self->unfolded = unfold ? self->has_children : false; | |
73 | } | |
74 | ||
d1b4f249 ACM |
75 | static int callchain_node__count_rows_rb_tree(struct callchain_node *self) |
76 | { | |
77 | int n = 0; | |
78 | struct rb_node *nd; | |
79 | ||
80 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
81 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
82 | struct callchain_list *chain; | |
83 | char folded_sign = ' '; /* No children */ | |
84 | ||
85 | list_for_each_entry(chain, &child->val, list) { | |
86 | ++n; | |
87 | /* We need this because we may not have children */ | |
88 | folded_sign = callchain_list__folded(chain); | |
89 | if (folded_sign == '+') | |
90 | break; | |
91 | } | |
92 | ||
93 | if (folded_sign == '-') /* Have children and they're unfolded */ | |
94 | n += callchain_node__count_rows_rb_tree(child); | |
95 | } | |
96 | ||
97 | return n; | |
98 | } | |
99 | ||
100 | static int callchain_node__count_rows(struct callchain_node *node) | |
101 | { | |
102 | struct callchain_list *chain; | |
103 | bool unfolded = false; | |
104 | int n = 0; | |
105 | ||
106 | list_for_each_entry(chain, &node->val, list) { | |
107 | ++n; | |
108 | unfolded = chain->ms.unfolded; | |
109 | } | |
110 | ||
111 | if (unfolded) | |
112 | n += callchain_node__count_rows_rb_tree(node); | |
113 | ||
114 | return n; | |
115 | } | |
116 | ||
117 | static int callchain__count_rows(struct rb_root *chain) | |
118 | { | |
119 | struct rb_node *nd; | |
120 | int n = 0; | |
121 | ||
122 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
123 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
124 | n += callchain_node__count_rows(node); | |
125 | } | |
126 | ||
127 | return n; | |
128 | } | |
129 | ||
130 | static bool map_symbol__toggle_fold(struct map_symbol *self) | |
131 | { | |
132 | if (!self->has_children) | |
133 | return false; | |
134 | ||
135 | self->unfolded = !self->unfolded; | |
136 | return true; | |
137 | } | |
138 | ||
139 | static void callchain_node__init_have_children_rb_tree(struct callchain_node *self) | |
140 | { | |
141 | struct rb_node *nd = rb_first(&self->rb_root); | |
142 | ||
143 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
144 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
145 | struct callchain_list *chain; | |
293db47f | 146 | bool first = true; |
d1b4f249 ACM |
147 | |
148 | list_for_each_entry(chain, &child->val, list) { | |
149 | if (first) { | |
150 | first = false; | |
151 | chain->ms.has_children = chain->list.next != &child->val || | |
293db47f | 152 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
153 | } else |
154 | chain->ms.has_children = chain->list.next == &child->val && | |
293db47f | 155 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
156 | } |
157 | ||
158 | callchain_node__init_have_children_rb_tree(child); | |
159 | } | |
160 | } | |
161 | ||
162 | static void callchain_node__init_have_children(struct callchain_node *self) | |
163 | { | |
164 | struct callchain_list *chain; | |
165 | ||
166 | list_for_each_entry(chain, &self->val, list) | |
293db47f | 167 | chain->ms.has_children = !RB_EMPTY_ROOT(&self->rb_root); |
d1b4f249 ACM |
168 | |
169 | callchain_node__init_have_children_rb_tree(self); | |
170 | } | |
171 | ||
172 | static void callchain__init_have_children(struct rb_root *self) | |
173 | { | |
174 | struct rb_node *nd; | |
175 | ||
176 | for (nd = rb_first(self); nd; nd = rb_next(nd)) { | |
177 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
178 | callchain_node__init_have_children(node); | |
179 | } | |
180 | } | |
181 | ||
182 | static void hist_entry__init_have_children(struct hist_entry *self) | |
183 | { | |
184 | if (!self->init_have_children) { | |
18b308d7 | 185 | self->ms.has_children = !RB_EMPTY_ROOT(&self->sorted_chain); |
d1b4f249 ACM |
186 | callchain__init_have_children(&self->sorted_chain); |
187 | self->init_have_children = true; | |
188 | } | |
189 | } | |
190 | ||
191 | static bool hist_browser__toggle_fold(struct hist_browser *self) | |
192 | { | |
193 | if (map_symbol__toggle_fold(self->selection)) { | |
194 | struct hist_entry *he = self->he_selection; | |
195 | ||
196 | hist_entry__init_have_children(he); | |
197 | self->hists->nr_entries -= he->nr_rows; | |
198 | ||
199 | if (he->ms.unfolded) | |
200 | he->nr_rows = callchain__count_rows(&he->sorted_chain); | |
201 | else | |
202 | he->nr_rows = 0; | |
203 | self->hists->nr_entries += he->nr_rows; | |
204 | self->b.nr_entries = self->hists->nr_entries; | |
205 | ||
206 | return true; | |
207 | } | |
208 | ||
209 | /* If it doesn't have children, no toggling performed */ | |
210 | return false; | |
211 | } | |
212 | ||
3c916cc2 ACM |
213 | static int callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold) |
214 | { | |
215 | int n = 0; | |
216 | struct rb_node *nd; | |
217 | ||
218 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
219 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
220 | struct callchain_list *chain; | |
221 | bool has_children = false; | |
222 | ||
223 | list_for_each_entry(chain, &child->val, list) { | |
224 | ++n; | |
225 | map_symbol__set_folding(&chain->ms, unfold); | |
226 | has_children = chain->ms.has_children; | |
227 | } | |
228 | ||
229 | if (has_children) | |
230 | n += callchain_node__set_folding_rb_tree(child, unfold); | |
231 | } | |
232 | ||
233 | return n; | |
234 | } | |
235 | ||
236 | static int callchain_node__set_folding(struct callchain_node *node, bool unfold) | |
237 | { | |
238 | struct callchain_list *chain; | |
239 | bool has_children = false; | |
240 | int n = 0; | |
241 | ||
242 | list_for_each_entry(chain, &node->val, list) { | |
243 | ++n; | |
244 | map_symbol__set_folding(&chain->ms, unfold); | |
245 | has_children = chain->ms.has_children; | |
246 | } | |
247 | ||
248 | if (has_children) | |
249 | n += callchain_node__set_folding_rb_tree(node, unfold); | |
250 | ||
251 | return n; | |
252 | } | |
253 | ||
254 | static int callchain__set_folding(struct rb_root *chain, bool unfold) | |
255 | { | |
256 | struct rb_node *nd; | |
257 | int n = 0; | |
258 | ||
259 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
260 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
261 | n += callchain_node__set_folding(node, unfold); | |
262 | } | |
263 | ||
264 | return n; | |
265 | } | |
266 | ||
267 | static void hist_entry__set_folding(struct hist_entry *self, bool unfold) | |
268 | { | |
269 | hist_entry__init_have_children(self); | |
270 | map_symbol__set_folding(&self->ms, unfold); | |
271 | ||
272 | if (self->ms.has_children) { | |
273 | int n = callchain__set_folding(&self->sorted_chain, unfold); | |
274 | self->nr_rows = unfold ? n : 0; | |
275 | } else | |
276 | self->nr_rows = 0; | |
277 | } | |
278 | ||
279 | static void hists__set_folding(struct hists *self, bool unfold) | |
280 | { | |
281 | struct rb_node *nd; | |
282 | ||
283 | self->nr_entries = 0; | |
284 | ||
285 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
286 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); | |
287 | hist_entry__set_folding(he, unfold); | |
288 | self->nr_entries += 1 + he->nr_rows; | |
289 | } | |
290 | } | |
291 | ||
292 | static void hist_browser__set_folding(struct hist_browser *self, bool unfold) | |
293 | { | |
294 | hists__set_folding(self->hists, unfold); | |
295 | self->b.nr_entries = self->hists->nr_entries; | |
296 | /* Go to the start, we may be way after valid entries after a collapse */ | |
297 | ui_browser__reset_index(&self->b); | |
298 | } | |
299 | ||
81cce8de ACM |
300 | static int hist_browser__run(struct hist_browser *self, const char *ev_name, |
301 | void(*timer)(void *arg), void *arg, int delay_secs) | |
d1b4f249 | 302 | { |
b50e003d | 303 | int key; |
81cce8de | 304 | char title[160]; |
d1b4f249 ACM |
305 | |
306 | self->b.entries = &self->hists->entries; | |
307 | self->b.nr_entries = self->hists->nr_entries; | |
308 | ||
309 | hist_browser__refresh_dimensions(self); | |
81cce8de ACM |
310 | hists__browser_title(self->hists, title, sizeof(title), ev_name, |
311 | self->dso_filter, self->thread_filter); | |
d1b4f249 | 312 | |
59e8fe32 ACM |
313 | if (ui_browser__show(&self->b, title, |
314 | "Press '?' for help on key bindings") < 0) | |
d1b4f249 ACM |
315 | return -1; |
316 | ||
d1b4f249 | 317 | while (1) { |
3af6e338 | 318 | key = ui_browser__run(&self->b, delay_secs); |
d1b4f249 | 319 | |
b50e003d | 320 | switch (key) { |
81cce8de ACM |
321 | case -1: |
322 | /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */ | |
323 | timer(arg); | |
900e14a8 | 324 | ui_browser__update_nr_entries(&self->b, self->hists->nr_entries); |
81cce8de ACM |
325 | hists__browser_title(self->hists, title, sizeof(title), |
326 | ev_name, self->dso_filter, | |
327 | self->thread_filter); | |
328 | ui_browser__show_title(&self->b, title); | |
329 | continue; | |
4694153c | 330 | case 'D': { /* Debug */ |
d1b4f249 ACM |
331 | static int seq; |
332 | struct hist_entry *h = rb_entry(self->b.top, | |
333 | struct hist_entry, rb_node); | |
334 | ui_helpline__pop(); | |
335 | ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", | |
336 | seq++, self->b.nr_entries, | |
337 | self->hists->nr_entries, | |
338 | self->b.height, | |
339 | self->b.index, | |
340 | self->b.top_idx, | |
341 | h->row_offset, h->nr_rows); | |
342 | } | |
3c916cc2 ACM |
343 | break; |
344 | case 'C': | |
345 | /* Collapse the whole world. */ | |
346 | hist_browser__set_folding(self, false); | |
347 | break; | |
348 | case 'E': | |
349 | /* Expand the whole world. */ | |
350 | hist_browser__set_folding(self, true); | |
351 | break; | |
d1b4f249 ACM |
352 | case NEWT_KEY_ENTER: |
353 | if (hist_browser__toggle_fold(self)) | |
354 | break; | |
355 | /* fall thru */ | |
356 | default: | |
b50e003d | 357 | goto out; |
d1b4f249 ACM |
358 | } |
359 | } | |
b50e003d | 360 | out: |
59e8fe32 | 361 | ui_browser__hide(&self->b); |
b50e003d | 362 | return key; |
d1b4f249 ACM |
363 | } |
364 | ||
365 | static char *callchain_list__sym_name(struct callchain_list *self, | |
366 | char *bf, size_t bfsize) | |
367 | { | |
368 | if (self->ms.sym) | |
369 | return self->ms.sym->name; | |
370 | ||
9486aa38 | 371 | snprintf(bf, bfsize, "%#" PRIx64, self->ip); |
d1b4f249 ACM |
372 | return bf; |
373 | } | |
374 | ||
375 | #define LEVEL_OFFSET_STEP 3 | |
376 | ||
377 | static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self, | |
378 | struct callchain_node *chain_node, | |
379 | u64 total, int level, | |
380 | unsigned short row, | |
381 | off_t *row_offset, | |
382 | bool *is_current_entry) | |
383 | { | |
384 | struct rb_node *node; | |
385 | int first_row = row, width, offset = level * LEVEL_OFFSET_STEP; | |
386 | u64 new_total, remaining; | |
387 | ||
388 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
389 | new_total = chain_node->children_hit; | |
390 | else | |
391 | new_total = total; | |
392 | ||
393 | remaining = new_total; | |
394 | node = rb_first(&chain_node->rb_root); | |
395 | while (node) { | |
396 | struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); | |
397 | struct rb_node *next = rb_next(node); | |
f08c3154 | 398 | u64 cumul = callchain_cumul_hits(child); |
d1b4f249 ACM |
399 | struct callchain_list *chain; |
400 | char folded_sign = ' '; | |
401 | int first = true; | |
402 | int extra_offset = 0; | |
403 | ||
404 | remaining -= cumul; | |
405 | ||
406 | list_for_each_entry(chain, &child->val, list) { | |
407 | char ipstr[BITS_PER_LONG / 4 + 1], *alloc_str; | |
408 | const char *str; | |
409 | int color; | |
410 | bool was_first = first; | |
411 | ||
163caed9 | 412 | if (first) |
d1b4f249 | 413 | first = false; |
163caed9 | 414 | else |
d1b4f249 | 415 | extra_offset = LEVEL_OFFSET_STEP; |
d1b4f249 ACM |
416 | |
417 | folded_sign = callchain_list__folded(chain); | |
418 | if (*row_offset != 0) { | |
419 | --*row_offset; | |
420 | goto do_next; | |
421 | } | |
422 | ||
423 | alloc_str = NULL; | |
424 | str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); | |
425 | if (was_first) { | |
426 | double percent = cumul * 100.0 / new_total; | |
427 | ||
428 | if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) | |
429 | str = "Not enough memory!"; | |
430 | else | |
431 | str = alloc_str; | |
432 | } | |
433 | ||
434 | color = HE_COLORSET_NORMAL; | |
435 | width = self->b.width - (offset + extra_offset + 2); | |
436 | if (ui_browser__is_current_entry(&self->b, row)) { | |
437 | self->selection = &chain->ms; | |
438 | color = HE_COLORSET_SELECTED; | |
439 | *is_current_entry = true; | |
440 | } | |
441 | ||
8f9bbc40 ACM |
442 | ui_browser__set_color(&self->b, color); |
443 | ui_browser__gotorc(&self->b, row, 0); | |
d1b4f249 ACM |
444 | slsmg_write_nstring(" ", offset + extra_offset); |
445 | slsmg_printf("%c ", folded_sign); | |
446 | slsmg_write_nstring(str, width); | |
447 | free(alloc_str); | |
448 | ||
449 | if (++row == self->b.height) | |
450 | goto out; | |
451 | do_next: | |
452 | if (folded_sign == '+') | |
453 | break; | |
454 | } | |
455 | ||
456 | if (folded_sign == '-') { | |
457 | const int new_level = level + (extra_offset ? 2 : 1); | |
458 | row += hist_browser__show_callchain_node_rb_tree(self, child, new_total, | |
459 | new_level, row, row_offset, | |
460 | is_current_entry); | |
461 | } | |
462 | if (row == self->b.height) | |
463 | goto out; | |
464 | node = next; | |
465 | } | |
466 | out: | |
467 | return row - first_row; | |
468 | } | |
469 | ||
470 | static int hist_browser__show_callchain_node(struct hist_browser *self, | |
471 | struct callchain_node *node, | |
472 | int level, unsigned short row, | |
473 | off_t *row_offset, | |
474 | bool *is_current_entry) | |
475 | { | |
476 | struct callchain_list *chain; | |
477 | int first_row = row, | |
478 | offset = level * LEVEL_OFFSET_STEP, | |
479 | width = self->b.width - offset; | |
480 | char folded_sign = ' '; | |
481 | ||
482 | list_for_each_entry(chain, &node->val, list) { | |
483 | char ipstr[BITS_PER_LONG / 4 + 1], *s; | |
484 | int color; | |
163caed9 | 485 | |
d1b4f249 ACM |
486 | folded_sign = callchain_list__folded(chain); |
487 | ||
488 | if (*row_offset != 0) { | |
489 | --*row_offset; | |
490 | continue; | |
491 | } | |
492 | ||
493 | color = HE_COLORSET_NORMAL; | |
494 | if (ui_browser__is_current_entry(&self->b, row)) { | |
495 | self->selection = &chain->ms; | |
496 | color = HE_COLORSET_SELECTED; | |
497 | *is_current_entry = true; | |
498 | } | |
499 | ||
500 | s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); | |
8f9bbc40 ACM |
501 | ui_browser__gotorc(&self->b, row, 0); |
502 | ui_browser__set_color(&self->b, color); | |
d1b4f249 ACM |
503 | slsmg_write_nstring(" ", offset); |
504 | slsmg_printf("%c ", folded_sign); | |
505 | slsmg_write_nstring(s, width - 2); | |
506 | ||
507 | if (++row == self->b.height) | |
508 | goto out; | |
509 | } | |
510 | ||
511 | if (folded_sign == '-') | |
512 | row += hist_browser__show_callchain_node_rb_tree(self, node, | |
513 | self->hists->stats.total_period, | |
514 | level + 1, row, | |
515 | row_offset, | |
516 | is_current_entry); | |
517 | out: | |
518 | return row - first_row; | |
519 | } | |
520 | ||
521 | static int hist_browser__show_callchain(struct hist_browser *self, | |
522 | struct rb_root *chain, | |
523 | int level, unsigned short row, | |
524 | off_t *row_offset, | |
525 | bool *is_current_entry) | |
526 | { | |
527 | struct rb_node *nd; | |
528 | int first_row = row; | |
529 | ||
530 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
531 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
532 | ||
533 | row += hist_browser__show_callchain_node(self, node, level, | |
534 | row, row_offset, | |
535 | is_current_entry); | |
536 | if (row == self->b.height) | |
537 | break; | |
538 | } | |
539 | ||
540 | return row - first_row; | |
541 | } | |
542 | ||
543 | static int hist_browser__show_entry(struct hist_browser *self, | |
544 | struct hist_entry *entry, | |
545 | unsigned short row) | |
546 | { | |
547 | char s[256]; | |
548 | double percent; | |
549 | int printed = 0; | |
c172f742 | 550 | int width = self->b.width; |
d1b4f249 ACM |
551 | char folded_sign = ' '; |
552 | bool current_entry = ui_browser__is_current_entry(&self->b, row); | |
553 | off_t row_offset = entry->row_offset; | |
554 | ||
555 | if (current_entry) { | |
556 | self->he_selection = entry; | |
557 | self->selection = &entry->ms; | |
558 | } | |
559 | ||
560 | if (symbol_conf.use_callchain) { | |
163caed9 | 561 | hist_entry__init_have_children(entry); |
d1b4f249 ACM |
562 | folded_sign = hist_entry__folded(entry); |
563 | } | |
564 | ||
565 | if (row_offset == 0) { | |
566 | hist_entry__snprintf(entry, s, sizeof(s), self->hists, NULL, false, | |
567 | 0, false, self->hists->stats.total_period); | |
568 | percent = (entry->period * 100.0) / self->hists->stats.total_period; | |
569 | ||
c172f742 | 570 | ui_browser__set_percent_color(&self->b, percent, current_entry); |
8f9bbc40 | 571 | ui_browser__gotorc(&self->b, row, 0); |
d1b4f249 ACM |
572 | if (symbol_conf.use_callchain) { |
573 | slsmg_printf("%c ", folded_sign); | |
574 | width -= 2; | |
575 | } | |
c172f742 ACM |
576 | |
577 | /* The scroll bar isn't being used */ | |
578 | if (!self->b.navkeypressed) | |
579 | width += 1; | |
580 | ||
d1b4f249 ACM |
581 | slsmg_write_nstring(s, width); |
582 | ++row; | |
583 | ++printed; | |
584 | } else | |
585 | --row_offset; | |
586 | ||
587 | if (folded_sign == '-' && row != self->b.height) { | |
588 | printed += hist_browser__show_callchain(self, &entry->sorted_chain, | |
589 | 1, row, &row_offset, | |
590 | ¤t_entry); | |
591 | if (current_entry) | |
592 | self->he_selection = entry; | |
593 | } | |
594 | ||
595 | return printed; | |
596 | } | |
597 | ||
437cfe7a ACM |
598 | static void ui_browser__hists_init_top(struct ui_browser *browser) |
599 | { | |
600 | if (browser->top == NULL) { | |
601 | struct hist_browser *hb; | |
602 | ||
603 | hb = container_of(browser, struct hist_browser, b); | |
604 | browser->top = rb_first(&hb->hists->entries); | |
605 | } | |
606 | } | |
607 | ||
d1b4f249 ACM |
608 | static unsigned int hist_browser__refresh(struct ui_browser *self) |
609 | { | |
610 | unsigned row = 0; | |
611 | struct rb_node *nd; | |
612 | struct hist_browser *hb = container_of(self, struct hist_browser, b); | |
613 | ||
437cfe7a | 614 | ui_browser__hists_init_top(self); |
d1b4f249 ACM |
615 | |
616 | for (nd = self->top; nd; nd = rb_next(nd)) { | |
617 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
618 | ||
619 | if (h->filtered) | |
620 | continue; | |
621 | ||
622 | row += hist_browser__show_entry(hb, h, row); | |
623 | if (row == self->height) | |
624 | break; | |
625 | } | |
626 | ||
627 | return row; | |
628 | } | |
629 | ||
630 | static struct rb_node *hists__filter_entries(struct rb_node *nd) | |
631 | { | |
632 | while (nd != NULL) { | |
633 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
634 | if (!h->filtered) | |
635 | return nd; | |
636 | ||
637 | nd = rb_next(nd); | |
638 | } | |
639 | ||
640 | return NULL; | |
641 | } | |
642 | ||
643 | static struct rb_node *hists__filter_prev_entries(struct rb_node *nd) | |
644 | { | |
645 | while (nd != NULL) { | |
646 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
647 | if (!h->filtered) | |
648 | return nd; | |
649 | ||
650 | nd = rb_prev(nd); | |
651 | } | |
652 | ||
653 | return NULL; | |
654 | } | |
655 | ||
656 | static void ui_browser__hists_seek(struct ui_browser *self, | |
657 | off_t offset, int whence) | |
658 | { | |
659 | struct hist_entry *h; | |
660 | struct rb_node *nd; | |
661 | bool first = true; | |
662 | ||
60098917 ACM |
663 | if (self->nr_entries == 0) |
664 | return; | |
665 | ||
437cfe7a ACM |
666 | ui_browser__hists_init_top(self); |
667 | ||
d1b4f249 ACM |
668 | switch (whence) { |
669 | case SEEK_SET: | |
670 | nd = hists__filter_entries(rb_first(self->entries)); | |
671 | break; | |
672 | case SEEK_CUR: | |
673 | nd = self->top; | |
674 | goto do_offset; | |
675 | case SEEK_END: | |
676 | nd = hists__filter_prev_entries(rb_last(self->entries)); | |
677 | first = false; | |
678 | break; | |
679 | default: | |
680 | return; | |
681 | } | |
682 | ||
683 | /* | |
684 | * Moves not relative to the first visible entry invalidates its | |
685 | * row_offset: | |
686 | */ | |
687 | h = rb_entry(self->top, struct hist_entry, rb_node); | |
688 | h->row_offset = 0; | |
689 | ||
690 | /* | |
691 | * Here we have to check if nd is expanded (+), if it is we can't go | |
692 | * the next top level hist_entry, instead we must compute an offset of | |
693 | * what _not_ to show and not change the first visible entry. | |
694 | * | |
695 | * This offset increments when we are going from top to bottom and | |
696 | * decreases when we're going from bottom to top. | |
697 | * | |
698 | * As we don't have backpointers to the top level in the callchains | |
699 | * structure, we need to always print the whole hist_entry callchain, | |
700 | * skipping the first ones that are before the first visible entry | |
701 | * and stop when we printed enough lines to fill the screen. | |
702 | */ | |
703 | do_offset: | |
704 | if (offset > 0) { | |
705 | do { | |
706 | h = rb_entry(nd, struct hist_entry, rb_node); | |
707 | if (h->ms.unfolded) { | |
708 | u16 remaining = h->nr_rows - h->row_offset; | |
709 | if (offset > remaining) { | |
710 | offset -= remaining; | |
711 | h->row_offset = 0; | |
712 | } else { | |
713 | h->row_offset += offset; | |
714 | offset = 0; | |
715 | self->top = nd; | |
716 | break; | |
717 | } | |
718 | } | |
719 | nd = hists__filter_entries(rb_next(nd)); | |
720 | if (nd == NULL) | |
721 | break; | |
722 | --offset; | |
723 | self->top = nd; | |
724 | } while (offset != 0); | |
725 | } else if (offset < 0) { | |
726 | while (1) { | |
727 | h = rb_entry(nd, struct hist_entry, rb_node); | |
728 | if (h->ms.unfolded) { | |
729 | if (first) { | |
730 | if (-offset > h->row_offset) { | |
731 | offset += h->row_offset; | |
732 | h->row_offset = 0; | |
733 | } else { | |
734 | h->row_offset += offset; | |
735 | offset = 0; | |
736 | self->top = nd; | |
737 | break; | |
738 | } | |
739 | } else { | |
740 | if (-offset > h->nr_rows) { | |
741 | offset += h->nr_rows; | |
742 | h->row_offset = 0; | |
743 | } else { | |
744 | h->row_offset = h->nr_rows + offset; | |
745 | offset = 0; | |
746 | self->top = nd; | |
747 | break; | |
748 | } | |
749 | } | |
750 | } | |
751 | ||
752 | nd = hists__filter_prev_entries(rb_prev(nd)); | |
753 | if (nd == NULL) | |
754 | break; | |
755 | ++offset; | |
756 | self->top = nd; | |
757 | if (offset == 0) { | |
758 | /* | |
759 | * Last unfiltered hist_entry, check if it is | |
760 | * unfolded, if it is then we should have | |
761 | * row_offset at its last entry. | |
762 | */ | |
763 | h = rb_entry(nd, struct hist_entry, rb_node); | |
764 | if (h->ms.unfolded) | |
765 | h->row_offset = h->nr_rows; | |
766 | break; | |
767 | } | |
768 | first = false; | |
769 | } | |
770 | } else { | |
771 | self->top = nd; | |
772 | h = rb_entry(nd, struct hist_entry, rb_node); | |
773 | h->row_offset = 0; | |
774 | } | |
775 | } | |
776 | ||
777 | static struct hist_browser *hist_browser__new(struct hists *hists) | |
778 | { | |
779 | struct hist_browser *self = zalloc(sizeof(*self)); | |
780 | ||
781 | if (self) { | |
782 | self->hists = hists; | |
783 | self->b.refresh = hist_browser__refresh; | |
784 | self->b.seek = ui_browser__hists_seek; | |
c172f742 | 785 | self->b.use_navkeypressed = true, |
724c9c9f | 786 | self->has_symbols = sort_sym.list.next != NULL; |
d1b4f249 ACM |
787 | } |
788 | ||
789 | return self; | |
790 | } | |
791 | ||
792 | static void hist_browser__delete(struct hist_browser *self) | |
793 | { | |
d1b4f249 ACM |
794 | free(self); |
795 | } | |
796 | ||
797 | static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self) | |
798 | { | |
799 | return self->he_selection; | |
800 | } | |
801 | ||
802 | static struct thread *hist_browser__selected_thread(struct hist_browser *self) | |
803 | { | |
804 | return self->he_selection->thread; | |
805 | } | |
806 | ||
469917ce ACM |
807 | static int hists__browser_title(struct hists *self, char *bf, size_t size, |
808 | const char *ev_name, const struct dso *dso, | |
809 | const struct thread *thread) | |
d1b4f249 | 810 | { |
469917ce ACM |
811 | char unit; |
812 | int printed; | |
813 | unsigned long nr_events = self->stats.nr_events[PERF_RECORD_SAMPLE]; | |
814 | ||
815 | nr_events = convert_unit(nr_events, &unit); | |
816 | printed = snprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name); | |
d1b4f249 ACM |
817 | |
818 | if (thread) | |
819 | printed += snprintf(bf + printed, size - printed, | |
469917ce ACM |
820 | ", Thread: %s(%d)", |
821 | (thread->comm_set ? thread->comm : ""), | |
d1b4f249 ACM |
822 | thread->pid); |
823 | if (dso) | |
824 | printed += snprintf(bf + printed, size - printed, | |
469917ce ACM |
825 | ", DSO: %s", dso->short_name); |
826 | return printed; | |
d1b4f249 ACM |
827 | } |
828 | ||
34958544 | 829 | static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, |
7f0030b2 | 830 | const char *helpline, const char *ev_name, |
81cce8de ACM |
831 | bool left_exits, |
832 | void(*timer)(void *arg), void *arg, | |
833 | int delay_secs) | |
d1b4f249 | 834 | { |
7f0030b2 | 835 | struct hists *self = &evsel->hists; |
d1b4f249 ACM |
836 | struct hist_browser *browser = hist_browser__new(self); |
837 | struct pstack *fstack; | |
d1b4f249 ACM |
838 | int key = -1; |
839 | ||
840 | if (browser == NULL) | |
841 | return -1; | |
842 | ||
843 | fstack = pstack__new(2); | |
844 | if (fstack == NULL) | |
845 | goto out; | |
846 | ||
847 | ui_helpline__push(helpline); | |
848 | ||
d1b4f249 | 849 | while (1) { |
60098917 ACM |
850 | const struct thread *thread = NULL; |
851 | const struct dso *dso = NULL; | |
d1b4f249 ACM |
852 | char *options[16]; |
853 | int nr_options = 0, choice = 0, i, | |
854 | annotate = -2, zoom_dso = -2, zoom_thread = -2, | |
855 | browse_map = -2; | |
856 | ||
81cce8de | 857 | key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); |
d1b4f249 | 858 | |
60098917 ACM |
859 | if (browser->he_selection != NULL) { |
860 | thread = hist_browser__selected_thread(browser); | |
861 | dso = browser->selection->map ? browser->selection->map->dso : NULL; | |
862 | } | |
d1b4f249 | 863 | |
b50e003d | 864 | switch (key) { |
b50e003d ACM |
865 | case NEWT_KEY_TAB: |
866 | case NEWT_KEY_UNTAB: | |
867 | /* | |
868 | * Exit the browser, let hists__browser_tree | |
869 | * go to the next or previous | |
870 | */ | |
871 | goto out_free_stack; | |
872 | case 'a': | |
60098917 | 873 | if (browser->selection == NULL || |
db9a9cbc | 874 | browser->selection->sym == NULL || |
b50e003d | 875 | browser->selection->map->dso->annotate_warned) |
d1b4f249 | 876 | continue; |
b50e003d ACM |
877 | goto do_annotate; |
878 | case 'd': | |
879 | goto zoom_dso; | |
880 | case 't': | |
881 | goto zoom_thread; | |
3c916cc2 | 882 | case NEWT_KEY_F1: |
b50e003d ACM |
883 | case 'h': |
884 | case '?': | |
2d5646c0 ACM |
885 | ui__help_window("h/?/F1 Show this window\n" |
886 | "UP/DOWN/PGUP\n" | |
887 | "PGDN/SPACE Navigate\n" | |
888 | "q/ESC/CTRL+C Exit browser\n\n" | |
889 | "For multiple event sessions:\n\n" | |
890 | "TAB/UNTAB Switch events\n\n" | |
724c9c9f | 891 | "For symbolic views (--sort has sym):\n\n" |
2d5646c0 ACM |
892 | "-> Zoom into DSO/Threads & Annotate current symbol\n" |
893 | "<- Zoom out\n" | |
894 | "a Annotate current symbol\n" | |
895 | "C Collapse all callchains\n" | |
896 | "E Expand all callchains\n" | |
897 | "d Zoom into current DSO\n" | |
898 | "t Zoom into current Thread\n"); | |
b50e003d ACM |
899 | continue; |
900 | case NEWT_KEY_ENTER: | |
901 | case NEWT_KEY_RIGHT: | |
902 | /* menu */ | |
903 | break; | |
904 | case NEWT_KEY_LEFT: { | |
905 | const void *top; | |
d1b4f249 | 906 | |
7f0030b2 ACM |
907 | if (pstack__empty(fstack)) { |
908 | /* | |
909 | * Go back to the perf_evsel_menu__run or other user | |
910 | */ | |
911 | if (left_exits) | |
912 | goto out_free_stack; | |
d1b4f249 | 913 | continue; |
7f0030b2 | 914 | } |
b50e003d | 915 | top = pstack__pop(fstack); |
81cce8de | 916 | if (top == &browser->dso_filter) |
b50e003d | 917 | goto zoom_out_dso; |
81cce8de | 918 | if (top == &browser->thread_filter) |
b50e003d ACM |
919 | goto zoom_out_thread; |
920 | continue; | |
921 | } | |
922 | case NEWT_KEY_ESCAPE: | |
7f0030b2 ACM |
923 | if (!left_exits && |
924 | !ui__dialog_yesno("Do you really want to exit?")) | |
b50e003d ACM |
925 | continue; |
926 | /* Fall thru */ | |
ed7e5662 ACM |
927 | case 'q': |
928 | case CTRL('c'): | |
b50e003d | 929 | goto out_free_stack; |
ed7e5662 ACM |
930 | default: |
931 | continue; | |
d1b4f249 ACM |
932 | } |
933 | ||
724c9c9f ACM |
934 | if (!browser->has_symbols) |
935 | goto add_exit_option; | |
936 | ||
60098917 ACM |
937 | if (browser->selection != NULL && |
938 | browser->selection->sym != NULL && | |
d1b4f249 ACM |
939 | !browser->selection->map->dso->annotate_warned && |
940 | asprintf(&options[nr_options], "Annotate %s", | |
941 | browser->selection->sym->name) > 0) | |
942 | annotate = nr_options++; | |
943 | ||
944 | if (thread != NULL && | |
945 | asprintf(&options[nr_options], "Zoom %s %s(%d) thread", | |
81cce8de | 946 | (browser->thread_filter ? "out of" : "into"), |
d1b4f249 ACM |
947 | (thread->comm_set ? thread->comm : ""), |
948 | thread->pid) > 0) | |
949 | zoom_thread = nr_options++; | |
950 | ||
951 | if (dso != NULL && | |
952 | asprintf(&options[nr_options], "Zoom %s %s DSO", | |
81cce8de | 953 | (browser->dso_filter ? "out of" : "into"), |
d1b4f249 ACM |
954 | (dso->kernel ? "the Kernel" : dso->short_name)) > 0) |
955 | zoom_dso = nr_options++; | |
956 | ||
60098917 ACM |
957 | if (browser->selection != NULL && |
958 | browser->selection->map != NULL && | |
d1b4f249 ACM |
959 | asprintf(&options[nr_options], "Browse map details") > 0) |
960 | browse_map = nr_options++; | |
724c9c9f | 961 | add_exit_option: |
d1b4f249 ACM |
962 | options[nr_options++] = (char *)"Exit"; |
963 | ||
1e6dd077 | 964 | choice = ui__popup_menu(nr_options, options); |
d1b4f249 ACM |
965 | |
966 | for (i = 0; i < nr_options - 1; ++i) | |
967 | free(options[i]); | |
968 | ||
969 | if (choice == nr_options - 1) | |
970 | break; | |
971 | ||
972 | if (choice == -1) | |
973 | continue; | |
974 | ||
975 | if (choice == annotate) { | |
976 | struct hist_entry *he; | |
977 | do_annotate: | |
d1b4f249 ACM |
978 | he = hist_browser__selected_entry(browser); |
979 | if (he == NULL) | |
980 | continue; | |
df71d95f ACM |
981 | /* |
982 | * Don't let this be freed, say, by hists__decay_entry. | |
983 | */ | |
984 | he->used = true; | |
34958544 | 985 | hist_entry__tui_annotate(he, evsel->idx, nr_events, |
81cce8de | 986 | timer, arg, delay_secs); |
df71d95f | 987 | he->used = false; |
900e14a8 | 988 | ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); |
d1b4f249 ACM |
989 | } else if (choice == browse_map) |
990 | map__browse(browser->selection->map); | |
991 | else if (choice == zoom_dso) { | |
992 | zoom_dso: | |
81cce8de ACM |
993 | if (browser->dso_filter) { |
994 | pstack__remove(fstack, &browser->dso_filter); | |
d1b4f249 ACM |
995 | zoom_out_dso: |
996 | ui_helpline__pop(); | |
81cce8de | 997 | browser->dso_filter = NULL; |
d1b4f249 ACM |
998 | } else { |
999 | if (dso == NULL) | |
1000 | continue; | |
1001 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", | |
1002 | dso->kernel ? "the Kernel" : dso->short_name); | |
81cce8de ACM |
1003 | browser->dso_filter = dso; |
1004 | pstack__push(fstack, &browser->dso_filter); | |
d1b4f249 | 1005 | } |
81cce8de | 1006 | hists__filter_by_dso(self, browser->dso_filter); |
d1b4f249 ACM |
1007 | hist_browser__reset(browser); |
1008 | } else if (choice == zoom_thread) { | |
1009 | zoom_thread: | |
81cce8de ACM |
1010 | if (browser->thread_filter) { |
1011 | pstack__remove(fstack, &browser->thread_filter); | |
d1b4f249 ACM |
1012 | zoom_out_thread: |
1013 | ui_helpline__pop(); | |
81cce8de | 1014 | browser->thread_filter = NULL; |
d1b4f249 ACM |
1015 | } else { |
1016 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", | |
1017 | thread->comm_set ? thread->comm : "", | |
1018 | thread->pid); | |
81cce8de ACM |
1019 | browser->thread_filter = thread; |
1020 | pstack__push(fstack, &browser->thread_filter); | |
d1b4f249 | 1021 | } |
81cce8de | 1022 | hists__filter_by_thread(self, browser->thread_filter); |
d1b4f249 ACM |
1023 | hist_browser__reset(browser); |
1024 | } | |
1025 | } | |
1026 | out_free_stack: | |
1027 | pstack__delete(fstack); | |
1028 | out: | |
1029 | hist_browser__delete(browser); | |
1030 | return key; | |
1031 | } | |
1032 | ||
7f0030b2 ACM |
1033 | struct perf_evsel_menu { |
1034 | struct ui_browser b; | |
1035 | struct perf_evsel *selection; | |
1036 | }; | |
1037 | ||
1038 | static void perf_evsel_menu__write(struct ui_browser *browser, | |
1039 | void *entry, int row) | |
1040 | { | |
1041 | struct perf_evsel_menu *menu = container_of(browser, | |
1042 | struct perf_evsel_menu, b); | |
1043 | struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); | |
1044 | bool current_entry = ui_browser__is_current_entry(browser, row); | |
1045 | unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
1046 | const char *ev_name = event_name(evsel); | |
1047 | char bf[256], unit; | |
1048 | ||
1049 | ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : | |
1050 | HE_COLORSET_NORMAL); | |
1051 | ||
1052 | nr_events = convert_unit(nr_events, &unit); | |
1053 | snprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, | |
1054 | unit, unit == ' ' ? "" : " ", ev_name); | |
1055 | slsmg_write_nstring(bf, browser->width); | |
1056 | ||
1057 | if (current_entry) | |
1058 | menu->selection = evsel; | |
1059 | } | |
1060 | ||
34958544 ACM |
1061 | static int perf_evsel_menu__run(struct perf_evsel_menu *menu, |
1062 | int nr_events, const char *help, | |
81cce8de | 1063 | void(*timer)(void *arg), void *arg, int delay_secs) |
d1b4f249 | 1064 | { |
7f0030b2 | 1065 | struct perf_evlist *evlist = menu->b.priv; |
e248de33 | 1066 | struct perf_evsel *pos; |
7f0030b2 ACM |
1067 | const char *ev_name, *title = "Available samples"; |
1068 | int key; | |
d1b4f249 | 1069 | |
7f0030b2 ACM |
1070 | if (ui_browser__show(&menu->b, title, |
1071 | "ESC: exit, ENTER|->: Browse histograms") < 0) | |
1072 | return -1; | |
1073 | ||
7f0030b2 | 1074 | while (1) { |
3af6e338 | 1075 | key = ui_browser__run(&menu->b, delay_secs); |
7f0030b2 ACM |
1076 | |
1077 | switch (key) { | |
81cce8de ACM |
1078 | case -1: |
1079 | /* FIXME we need to check if it was es.reason == NEWT_EXIT_TIMER */ | |
1080 | timer(arg); | |
1081 | continue; | |
7f0030b2 ACM |
1082 | case NEWT_KEY_RIGHT: |
1083 | case NEWT_KEY_ENTER: | |
1084 | if (!menu->selection) | |
1085 | continue; | |
1086 | pos = menu->selection; | |
1087 | browse_hists: | |
18eaf0b8 ACM |
1088 | perf_evlist__set_selected(evlist, pos); |
1089 | /* | |
1090 | * Give the calling tool a chance to populate the non | |
1091 | * default evsel resorted hists tree. | |
1092 | */ | |
1093 | if (timer) | |
1094 | timer(arg); | |
7f0030b2 | 1095 | ev_name = event_name(pos); |
34958544 ACM |
1096 | key = perf_evsel__hists_browse(pos, nr_events, help, |
1097 | ev_name, true, timer, | |
1098 | arg, delay_secs); | |
7f0030b2 | 1099 | ui_browser__show_title(&menu->b, title); |
18eaf0b8 ACM |
1100 | switch (key) { |
1101 | case NEWT_KEY_TAB: | |
1102 | if (pos->node.next == &evlist->entries) | |
1103 | pos = list_entry(evlist->entries.next, struct perf_evsel, node); | |
1104 | else | |
1105 | pos = list_entry(pos->node.next, struct perf_evsel, node); | |
1106 | goto browse_hists; | |
1107 | case NEWT_KEY_UNTAB: | |
1108 | if (pos->node.prev == &evlist->entries) | |
1109 | pos = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
1110 | else | |
1111 | pos = list_entry(pos->node.prev, struct perf_evsel, node); | |
1112 | goto browse_hists; | |
1113 | case NEWT_KEY_ESCAPE: | |
1114 | if (!ui__dialog_yesno("Do you really want to exit?")) | |
1115 | continue; | |
1116 | /* Fall thru */ | |
1117 | case 'q': | |
1118 | case CTRL('c'): | |
1119 | goto out; | |
1120 | default: | |
1121 | continue; | |
1122 | } | |
7f0030b2 ACM |
1123 | case NEWT_KEY_LEFT: |
1124 | continue; | |
ed7e5662 ACM |
1125 | case NEWT_KEY_ESCAPE: |
1126 | if (!ui__dialog_yesno("Do you really want to exit?")) | |
1127 | continue; | |
1128 | /* Fall thru */ | |
7f0030b2 ACM |
1129 | case 'q': |
1130 | case CTRL('c'): | |
1131 | goto out; | |
d1b4f249 | 1132 | default: |
18eaf0b8 | 1133 | continue; |
d1b4f249 ACM |
1134 | } |
1135 | } | |
1136 | ||
7f0030b2 ACM |
1137 | out: |
1138 | ui_browser__hide(&menu->b); | |
1139 | return key; | |
1140 | } | |
1141 | ||
1142 | static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, | |
81cce8de ACM |
1143 | const char *help, |
1144 | void(*timer)(void *arg), void *arg, | |
1145 | int delay_secs) | |
7f0030b2 ACM |
1146 | { |
1147 | struct perf_evsel *pos; | |
1148 | struct perf_evsel_menu menu = { | |
1149 | .b = { | |
1150 | .entries = &evlist->entries, | |
1151 | .refresh = ui_browser__list_head_refresh, | |
1152 | .seek = ui_browser__list_head_seek, | |
1153 | .write = perf_evsel_menu__write, | |
1154 | .nr_entries = evlist->nr_entries, | |
1155 | .priv = evlist, | |
1156 | }, | |
1157 | }; | |
1158 | ||
1159 | ui_helpline__push("Press ESC to exit"); | |
1160 | ||
1161 | list_for_each_entry(pos, &evlist->entries, node) { | |
1162 | const char *ev_name = event_name(pos); | |
1163 | size_t line_len = strlen(ev_name) + 7; | |
1164 | ||
1165 | if (menu.b.width < line_len) | |
1166 | menu.b.width = line_len; | |
1167 | /* | |
1168 | * Cache the evsel name, tracepoints have a _high_ cost per | |
1169 | * event_name() call. | |
1170 | */ | |
1171 | if (pos->name == NULL) | |
1172 | pos->name = strdup(ev_name); | |
1173 | } | |
1174 | ||
34958544 ACM |
1175 | return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, |
1176 | arg, delay_secs); | |
7f0030b2 ACM |
1177 | } |
1178 | ||
81cce8de ACM |
1179 | int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, |
1180 | void(*timer)(void *arg), void *arg, | |
1181 | int delay_secs) | |
7f0030b2 ACM |
1182 | { |
1183 | ||
1184 | if (evlist->nr_entries == 1) { | |
1185 | struct perf_evsel *first = list_entry(evlist->entries.next, | |
1186 | struct perf_evsel, node); | |
1187 | const char *ev_name = event_name(first); | |
34958544 ACM |
1188 | return perf_evsel__hists_browse(first, evlist->nr_entries, help, |
1189 | ev_name, false, timer, arg, | |
1190 | delay_secs); | |
7f0030b2 ACM |
1191 | } |
1192 | ||
81cce8de ACM |
1193 | return __perf_evlist__tui_browse_hists(evlist, help, |
1194 | timer, arg, delay_secs); | |
d1b4f249 | 1195 | } |