Commit | Line | Data |
---|---|---|
d1b4f249 | 1 | #include <stdio.h> |
d1b4f249 ACM |
2 | #include "../libslang.h" |
3 | #include <stdlib.h> | |
4 | #include <string.h> | |
5 | #include <newt.h> | |
6 | #include <linux/rbtree.h> | |
7 | ||
e248de33 ACM |
8 | #include "../../evsel.h" |
9 | #include "../../evlist.h" | |
d1b4f249 ACM |
10 | #include "../../hist.h" |
11 | #include "../../pstack.h" | |
12 | #include "../../sort.h" | |
13 | #include "../../util.h" | |
14 | ||
15 | #include "../browser.h" | |
16 | #include "../helpline.h" | |
17 | #include "../util.h" | |
4610e413 | 18 | #include "../ui.h" |
d1b4f249 ACM |
19 | #include "map.h" |
20 | ||
d1b4f249 ACM |
21 | struct hist_browser { |
22 | struct ui_browser b; | |
23 | struct hists *hists; | |
24 | struct hist_entry *he_selection; | |
25 | struct map_symbol *selection; | |
724c9c9f | 26 | bool has_symbols; |
d1b4f249 ACM |
27 | }; |
28 | ||
81cce8de | 29 | static int hists__browser_title(struct hists *self, char *bf, size_t size, |
d7b76f09 | 30 | const char *ev_name); |
81cce8de | 31 | |
d1b4f249 ACM |
32 | static void hist_browser__refresh_dimensions(struct hist_browser *self) |
33 | { | |
34 | /* 3 == +/- toggle symbol before actual hist_entry rendering */ | |
35 | self->b.width = 3 + (hists__sort_list_width(self->hists) + | |
36 | sizeof("[k]")); | |
37 | } | |
38 | ||
39 | static void hist_browser__reset(struct hist_browser *self) | |
40 | { | |
41 | self->b.nr_entries = self->hists->nr_entries; | |
42 | hist_browser__refresh_dimensions(self); | |
43 | ui_browser__reset_index(&self->b); | |
44 | } | |
45 | ||
46 | static char tree__folded_sign(bool unfolded) | |
47 | { | |
48 | return unfolded ? '-' : '+'; | |
49 | } | |
50 | ||
51 | static char map_symbol__folded(const struct map_symbol *self) | |
52 | { | |
53 | return self->has_children ? tree__folded_sign(self->unfolded) : ' '; | |
54 | } | |
55 | ||
56 | static char hist_entry__folded(const struct hist_entry *self) | |
57 | { | |
58 | return map_symbol__folded(&self->ms); | |
59 | } | |
60 | ||
61 | static char callchain_list__folded(const struct callchain_list *self) | |
62 | { | |
63 | return map_symbol__folded(&self->ms); | |
64 | } | |
65 | ||
3c916cc2 ACM |
66 | static void map_symbol__set_folding(struct map_symbol *self, bool unfold) |
67 | { | |
68 | self->unfolded = unfold ? self->has_children : false; | |
69 | } | |
70 | ||
d1b4f249 ACM |
71 | static int callchain_node__count_rows_rb_tree(struct callchain_node *self) |
72 | { | |
73 | int n = 0; | |
74 | struct rb_node *nd; | |
75 | ||
76 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
77 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
78 | struct callchain_list *chain; | |
79 | char folded_sign = ' '; /* No children */ | |
80 | ||
81 | list_for_each_entry(chain, &child->val, list) { | |
82 | ++n; | |
83 | /* We need this because we may not have children */ | |
84 | folded_sign = callchain_list__folded(chain); | |
85 | if (folded_sign == '+') | |
86 | break; | |
87 | } | |
88 | ||
89 | if (folded_sign == '-') /* Have children and they're unfolded */ | |
90 | n += callchain_node__count_rows_rb_tree(child); | |
91 | } | |
92 | ||
93 | return n; | |
94 | } | |
95 | ||
96 | static int callchain_node__count_rows(struct callchain_node *node) | |
97 | { | |
98 | struct callchain_list *chain; | |
99 | bool unfolded = false; | |
100 | int n = 0; | |
101 | ||
102 | list_for_each_entry(chain, &node->val, list) { | |
103 | ++n; | |
104 | unfolded = chain->ms.unfolded; | |
105 | } | |
106 | ||
107 | if (unfolded) | |
108 | n += callchain_node__count_rows_rb_tree(node); | |
109 | ||
110 | return n; | |
111 | } | |
112 | ||
113 | static int callchain__count_rows(struct rb_root *chain) | |
114 | { | |
115 | struct rb_node *nd; | |
116 | int n = 0; | |
117 | ||
118 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
119 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
120 | n += callchain_node__count_rows(node); | |
121 | } | |
122 | ||
123 | return n; | |
124 | } | |
125 | ||
126 | static bool map_symbol__toggle_fold(struct map_symbol *self) | |
127 | { | |
8493fe1d JO |
128 | if (!self) |
129 | return false; | |
130 | ||
d1b4f249 ACM |
131 | if (!self->has_children) |
132 | return false; | |
133 | ||
134 | self->unfolded = !self->unfolded; | |
135 | return true; | |
136 | } | |
137 | ||
138 | static void callchain_node__init_have_children_rb_tree(struct callchain_node *self) | |
139 | { | |
140 | struct rb_node *nd = rb_first(&self->rb_root); | |
141 | ||
142 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
143 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
144 | struct callchain_list *chain; | |
293db47f | 145 | bool first = true; |
d1b4f249 ACM |
146 | |
147 | list_for_each_entry(chain, &child->val, list) { | |
148 | if (first) { | |
149 | first = false; | |
150 | chain->ms.has_children = chain->list.next != &child->val || | |
293db47f | 151 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
152 | } else |
153 | chain->ms.has_children = chain->list.next == &child->val && | |
293db47f | 154 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
155 | } |
156 | ||
157 | callchain_node__init_have_children_rb_tree(child); | |
158 | } | |
159 | } | |
160 | ||
161 | static void callchain_node__init_have_children(struct callchain_node *self) | |
162 | { | |
163 | struct callchain_list *chain; | |
164 | ||
165 | list_for_each_entry(chain, &self->val, list) | |
293db47f | 166 | chain->ms.has_children = !RB_EMPTY_ROOT(&self->rb_root); |
d1b4f249 ACM |
167 | |
168 | callchain_node__init_have_children_rb_tree(self); | |
169 | } | |
170 | ||
171 | static void callchain__init_have_children(struct rb_root *self) | |
172 | { | |
173 | struct rb_node *nd; | |
174 | ||
175 | for (nd = rb_first(self); nd; nd = rb_next(nd)) { | |
176 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
177 | callchain_node__init_have_children(node); | |
178 | } | |
179 | } | |
180 | ||
181 | static void hist_entry__init_have_children(struct hist_entry *self) | |
182 | { | |
183 | if (!self->init_have_children) { | |
18b308d7 | 184 | self->ms.has_children = !RB_EMPTY_ROOT(&self->sorted_chain); |
d1b4f249 ACM |
185 | callchain__init_have_children(&self->sorted_chain); |
186 | self->init_have_children = true; | |
187 | } | |
188 | } | |
189 | ||
190 | static bool hist_browser__toggle_fold(struct hist_browser *self) | |
191 | { | |
192 | if (map_symbol__toggle_fold(self->selection)) { | |
193 | struct hist_entry *he = self->he_selection; | |
194 | ||
195 | hist_entry__init_have_children(he); | |
196 | self->hists->nr_entries -= he->nr_rows; | |
197 | ||
198 | if (he->ms.unfolded) | |
199 | he->nr_rows = callchain__count_rows(&he->sorted_chain); | |
200 | else | |
201 | he->nr_rows = 0; | |
202 | self->hists->nr_entries += he->nr_rows; | |
203 | self->b.nr_entries = self->hists->nr_entries; | |
204 | ||
205 | return true; | |
206 | } | |
207 | ||
208 | /* If it doesn't have children, no toggling performed */ | |
209 | return false; | |
210 | } | |
211 | ||
3c916cc2 ACM |
212 | static int callchain_node__set_folding_rb_tree(struct callchain_node *self, bool unfold) |
213 | { | |
214 | int n = 0; | |
215 | struct rb_node *nd; | |
216 | ||
217 | for (nd = rb_first(&self->rb_root); nd; nd = rb_next(nd)) { | |
218 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); | |
219 | struct callchain_list *chain; | |
220 | bool has_children = false; | |
221 | ||
222 | list_for_each_entry(chain, &child->val, list) { | |
223 | ++n; | |
224 | map_symbol__set_folding(&chain->ms, unfold); | |
225 | has_children = chain->ms.has_children; | |
226 | } | |
227 | ||
228 | if (has_children) | |
229 | n += callchain_node__set_folding_rb_tree(child, unfold); | |
230 | } | |
231 | ||
232 | return n; | |
233 | } | |
234 | ||
235 | static int callchain_node__set_folding(struct callchain_node *node, bool unfold) | |
236 | { | |
237 | struct callchain_list *chain; | |
238 | bool has_children = false; | |
239 | int n = 0; | |
240 | ||
241 | list_for_each_entry(chain, &node->val, list) { | |
242 | ++n; | |
243 | map_symbol__set_folding(&chain->ms, unfold); | |
244 | has_children = chain->ms.has_children; | |
245 | } | |
246 | ||
247 | if (has_children) | |
248 | n += callchain_node__set_folding_rb_tree(node, unfold); | |
249 | ||
250 | return n; | |
251 | } | |
252 | ||
253 | static int callchain__set_folding(struct rb_root *chain, bool unfold) | |
254 | { | |
255 | struct rb_node *nd; | |
256 | int n = 0; | |
257 | ||
258 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
259 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
260 | n += callchain_node__set_folding(node, unfold); | |
261 | } | |
262 | ||
263 | return n; | |
264 | } | |
265 | ||
266 | static void hist_entry__set_folding(struct hist_entry *self, bool unfold) | |
267 | { | |
268 | hist_entry__init_have_children(self); | |
269 | map_symbol__set_folding(&self->ms, unfold); | |
270 | ||
271 | if (self->ms.has_children) { | |
272 | int n = callchain__set_folding(&self->sorted_chain, unfold); | |
273 | self->nr_rows = unfold ? n : 0; | |
274 | } else | |
275 | self->nr_rows = 0; | |
276 | } | |
277 | ||
278 | static void hists__set_folding(struct hists *self, bool unfold) | |
279 | { | |
280 | struct rb_node *nd; | |
281 | ||
282 | self->nr_entries = 0; | |
283 | ||
284 | for (nd = rb_first(&self->entries); nd; nd = rb_next(nd)) { | |
285 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); | |
286 | hist_entry__set_folding(he, unfold); | |
287 | self->nr_entries += 1 + he->nr_rows; | |
288 | } | |
289 | } | |
290 | ||
291 | static void hist_browser__set_folding(struct hist_browser *self, bool unfold) | |
292 | { | |
293 | hists__set_folding(self->hists, unfold); | |
294 | self->b.nr_entries = self->hists->nr_entries; | |
295 | /* Go to the start, we may be way after valid entries after a collapse */ | |
296 | ui_browser__reset_index(&self->b); | |
297 | } | |
298 | ||
7b27509f ACM |
299 | static void ui_browser__warn_lost_events(struct ui_browser *browser) |
300 | { | |
301 | ui_browser__warning(browser, 4, | |
302 | "Events are being lost, check IO/CPU overload!\n\n" | |
303 | "You may want to run 'perf' using a RT scheduler policy:\n\n" | |
304 | " perf top -r 80\n\n" | |
305 | "Or reduce the sampling frequency."); | |
306 | } | |
307 | ||
81cce8de ACM |
308 | static int hist_browser__run(struct hist_browser *self, const char *ev_name, |
309 | void(*timer)(void *arg), void *arg, int delay_secs) | |
d1b4f249 | 310 | { |
b50e003d | 311 | int key; |
81cce8de | 312 | char title[160]; |
d1b4f249 ACM |
313 | |
314 | self->b.entries = &self->hists->entries; | |
315 | self->b.nr_entries = self->hists->nr_entries; | |
316 | ||
317 | hist_browser__refresh_dimensions(self); | |
d7b76f09 | 318 | hists__browser_title(self->hists, title, sizeof(title), ev_name); |
d1b4f249 | 319 | |
59e8fe32 ACM |
320 | if (ui_browser__show(&self->b, title, |
321 | "Press '?' for help on key bindings") < 0) | |
d1b4f249 ACM |
322 | return -1; |
323 | ||
d1b4f249 | 324 | while (1) { |
3af6e338 | 325 | key = ui_browser__run(&self->b, delay_secs); |
d1b4f249 | 326 | |
b50e003d | 327 | switch (key) { |
13d8f96c | 328 | case K_TIMER: |
81cce8de | 329 | timer(arg); |
900e14a8 | 330 | ui_browser__update_nr_entries(&self->b, self->hists->nr_entries); |
7b27509f ACM |
331 | |
332 | if (self->hists->stats.nr_lost_warned != | |
333 | self->hists->stats.nr_events[PERF_RECORD_LOST]) { | |
334 | self->hists->stats.nr_lost_warned = | |
335 | self->hists->stats.nr_events[PERF_RECORD_LOST]; | |
336 | ui_browser__warn_lost_events(&self->b); | |
337 | } | |
338 | ||
339 | hists__browser_title(self->hists, title, sizeof(title), ev_name); | |
81cce8de ACM |
340 | ui_browser__show_title(&self->b, title); |
341 | continue; | |
4694153c | 342 | case 'D': { /* Debug */ |
d1b4f249 ACM |
343 | static int seq; |
344 | struct hist_entry *h = rb_entry(self->b.top, | |
345 | struct hist_entry, rb_node); | |
346 | ui_helpline__pop(); | |
347 | ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", | |
348 | seq++, self->b.nr_entries, | |
349 | self->hists->nr_entries, | |
350 | self->b.height, | |
351 | self->b.index, | |
352 | self->b.top_idx, | |
353 | h->row_offset, h->nr_rows); | |
354 | } | |
3c916cc2 ACM |
355 | break; |
356 | case 'C': | |
357 | /* Collapse the whole world. */ | |
358 | hist_browser__set_folding(self, false); | |
359 | break; | |
360 | case 'E': | |
361 | /* Expand the whole world. */ | |
362 | hist_browser__set_folding(self, true); | |
363 | break; | |
cf958003 | 364 | case K_ENTER: |
d1b4f249 ACM |
365 | if (hist_browser__toggle_fold(self)) |
366 | break; | |
367 | /* fall thru */ | |
368 | default: | |
b50e003d | 369 | goto out; |
d1b4f249 ACM |
370 | } |
371 | } | |
b50e003d | 372 | out: |
59e8fe32 | 373 | ui_browser__hide(&self->b); |
b50e003d | 374 | return key; |
d1b4f249 ACM |
375 | } |
376 | ||
377 | static char *callchain_list__sym_name(struct callchain_list *self, | |
378 | char *bf, size_t bfsize) | |
379 | { | |
380 | if (self->ms.sym) | |
381 | return self->ms.sym->name; | |
382 | ||
9486aa38 | 383 | snprintf(bf, bfsize, "%#" PRIx64, self->ip); |
d1b4f249 ACM |
384 | return bf; |
385 | } | |
386 | ||
387 | #define LEVEL_OFFSET_STEP 3 | |
388 | ||
389 | static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *self, | |
390 | struct callchain_node *chain_node, | |
391 | u64 total, int level, | |
392 | unsigned short row, | |
393 | off_t *row_offset, | |
394 | bool *is_current_entry) | |
395 | { | |
396 | struct rb_node *node; | |
397 | int first_row = row, width, offset = level * LEVEL_OFFSET_STEP; | |
398 | u64 new_total, remaining; | |
399 | ||
400 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
401 | new_total = chain_node->children_hit; | |
402 | else | |
403 | new_total = total; | |
404 | ||
405 | remaining = new_total; | |
406 | node = rb_first(&chain_node->rb_root); | |
407 | while (node) { | |
408 | struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); | |
409 | struct rb_node *next = rb_next(node); | |
f08c3154 | 410 | u64 cumul = callchain_cumul_hits(child); |
d1b4f249 ACM |
411 | struct callchain_list *chain; |
412 | char folded_sign = ' '; | |
413 | int first = true; | |
414 | int extra_offset = 0; | |
415 | ||
416 | remaining -= cumul; | |
417 | ||
418 | list_for_each_entry(chain, &child->val, list) { | |
419 | char ipstr[BITS_PER_LONG / 4 + 1], *alloc_str; | |
420 | const char *str; | |
421 | int color; | |
422 | bool was_first = first; | |
423 | ||
163caed9 | 424 | if (first) |
d1b4f249 | 425 | first = false; |
163caed9 | 426 | else |
d1b4f249 | 427 | extra_offset = LEVEL_OFFSET_STEP; |
d1b4f249 ACM |
428 | |
429 | folded_sign = callchain_list__folded(chain); | |
430 | if (*row_offset != 0) { | |
431 | --*row_offset; | |
432 | goto do_next; | |
433 | } | |
434 | ||
435 | alloc_str = NULL; | |
436 | str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); | |
437 | if (was_first) { | |
438 | double percent = cumul * 100.0 / new_total; | |
439 | ||
440 | if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) | |
441 | str = "Not enough memory!"; | |
442 | else | |
443 | str = alloc_str; | |
444 | } | |
445 | ||
446 | color = HE_COLORSET_NORMAL; | |
447 | width = self->b.width - (offset + extra_offset + 2); | |
448 | if (ui_browser__is_current_entry(&self->b, row)) { | |
449 | self->selection = &chain->ms; | |
450 | color = HE_COLORSET_SELECTED; | |
451 | *is_current_entry = true; | |
452 | } | |
453 | ||
8f9bbc40 ACM |
454 | ui_browser__set_color(&self->b, color); |
455 | ui_browser__gotorc(&self->b, row, 0); | |
d1b4f249 ACM |
456 | slsmg_write_nstring(" ", offset + extra_offset); |
457 | slsmg_printf("%c ", folded_sign); | |
458 | slsmg_write_nstring(str, width); | |
459 | free(alloc_str); | |
460 | ||
461 | if (++row == self->b.height) | |
462 | goto out; | |
463 | do_next: | |
464 | if (folded_sign == '+') | |
465 | break; | |
466 | } | |
467 | ||
468 | if (folded_sign == '-') { | |
469 | const int new_level = level + (extra_offset ? 2 : 1); | |
470 | row += hist_browser__show_callchain_node_rb_tree(self, child, new_total, | |
471 | new_level, row, row_offset, | |
472 | is_current_entry); | |
473 | } | |
474 | if (row == self->b.height) | |
475 | goto out; | |
476 | node = next; | |
477 | } | |
478 | out: | |
479 | return row - first_row; | |
480 | } | |
481 | ||
482 | static int hist_browser__show_callchain_node(struct hist_browser *self, | |
483 | struct callchain_node *node, | |
484 | int level, unsigned short row, | |
485 | off_t *row_offset, | |
486 | bool *is_current_entry) | |
487 | { | |
488 | struct callchain_list *chain; | |
489 | int first_row = row, | |
490 | offset = level * LEVEL_OFFSET_STEP, | |
491 | width = self->b.width - offset; | |
492 | char folded_sign = ' '; | |
493 | ||
494 | list_for_each_entry(chain, &node->val, list) { | |
495 | char ipstr[BITS_PER_LONG / 4 + 1], *s; | |
496 | int color; | |
163caed9 | 497 | |
d1b4f249 ACM |
498 | folded_sign = callchain_list__folded(chain); |
499 | ||
500 | if (*row_offset != 0) { | |
501 | --*row_offset; | |
502 | continue; | |
503 | } | |
504 | ||
505 | color = HE_COLORSET_NORMAL; | |
506 | if (ui_browser__is_current_entry(&self->b, row)) { | |
507 | self->selection = &chain->ms; | |
508 | color = HE_COLORSET_SELECTED; | |
509 | *is_current_entry = true; | |
510 | } | |
511 | ||
512 | s = callchain_list__sym_name(chain, ipstr, sizeof(ipstr)); | |
8f9bbc40 ACM |
513 | ui_browser__gotorc(&self->b, row, 0); |
514 | ui_browser__set_color(&self->b, color); | |
d1b4f249 ACM |
515 | slsmg_write_nstring(" ", offset); |
516 | slsmg_printf("%c ", folded_sign); | |
517 | slsmg_write_nstring(s, width - 2); | |
518 | ||
519 | if (++row == self->b.height) | |
520 | goto out; | |
521 | } | |
522 | ||
523 | if (folded_sign == '-') | |
524 | row += hist_browser__show_callchain_node_rb_tree(self, node, | |
525 | self->hists->stats.total_period, | |
526 | level + 1, row, | |
527 | row_offset, | |
528 | is_current_entry); | |
529 | out: | |
530 | return row - first_row; | |
531 | } | |
532 | ||
533 | static int hist_browser__show_callchain(struct hist_browser *self, | |
534 | struct rb_root *chain, | |
535 | int level, unsigned short row, | |
536 | off_t *row_offset, | |
537 | bool *is_current_entry) | |
538 | { | |
539 | struct rb_node *nd; | |
540 | int first_row = row; | |
541 | ||
542 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
543 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
544 | ||
545 | row += hist_browser__show_callchain_node(self, node, level, | |
546 | row, row_offset, | |
547 | is_current_entry); | |
548 | if (row == self->b.height) | |
549 | break; | |
550 | } | |
551 | ||
552 | return row - first_row; | |
553 | } | |
554 | ||
555 | static int hist_browser__show_entry(struct hist_browser *self, | |
556 | struct hist_entry *entry, | |
557 | unsigned short row) | |
558 | { | |
559 | char s[256]; | |
560 | double percent; | |
561 | int printed = 0; | |
f1cf602c | 562 | int width = self->b.width - 6; /* The percentage */ |
d1b4f249 ACM |
563 | char folded_sign = ' '; |
564 | bool current_entry = ui_browser__is_current_entry(&self->b, row); | |
565 | off_t row_offset = entry->row_offset; | |
566 | ||
567 | if (current_entry) { | |
568 | self->he_selection = entry; | |
569 | self->selection = &entry->ms; | |
570 | } | |
571 | ||
572 | if (symbol_conf.use_callchain) { | |
163caed9 | 573 | hist_entry__init_have_children(entry); |
d1b4f249 ACM |
574 | folded_sign = hist_entry__folded(entry); |
575 | } | |
576 | ||
577 | if (row_offset == 0) { | |
f1cf602c | 578 | hist_entry__snprintf(entry, s, sizeof(s), self->hists); |
d1b4f249 ACM |
579 | percent = (entry->period * 100.0) / self->hists->stats.total_period; |
580 | ||
c172f742 | 581 | ui_browser__set_percent_color(&self->b, percent, current_entry); |
8f9bbc40 | 582 | ui_browser__gotorc(&self->b, row, 0); |
d1b4f249 ACM |
583 | if (symbol_conf.use_callchain) { |
584 | slsmg_printf("%c ", folded_sign); | |
585 | width -= 2; | |
586 | } | |
c172f742 | 587 | |
f1cf602c ACM |
588 | slsmg_printf(" %5.2f%%", percent); |
589 | ||
c172f742 ACM |
590 | /* The scroll bar isn't being used */ |
591 | if (!self->b.navkeypressed) | |
592 | width += 1; | |
593 | ||
33f62b3f ACM |
594 | if (!current_entry || !self->b.navkeypressed) |
595 | ui_browser__set_color(&self->b, HE_COLORSET_NORMAL); | |
596 | ||
2cf9cebf ACM |
597 | if (symbol_conf.show_nr_samples) { |
598 | slsmg_printf(" %11u", entry->nr_events); | |
599 | width -= 12; | |
600 | } | |
601 | ||
602 | if (symbol_conf.show_total_period) { | |
603 | slsmg_printf(" %12" PRIu64, entry->period); | |
604 | width -= 13; | |
605 | } | |
606 | ||
d1b4f249 ACM |
607 | slsmg_write_nstring(s, width); |
608 | ++row; | |
609 | ++printed; | |
610 | } else | |
611 | --row_offset; | |
612 | ||
613 | if (folded_sign == '-' && row != self->b.height) { | |
614 | printed += hist_browser__show_callchain(self, &entry->sorted_chain, | |
615 | 1, row, &row_offset, | |
616 | ¤t_entry); | |
617 | if (current_entry) | |
618 | self->he_selection = entry; | |
619 | } | |
620 | ||
621 | return printed; | |
622 | } | |
623 | ||
437cfe7a ACM |
624 | static void ui_browser__hists_init_top(struct ui_browser *browser) |
625 | { | |
626 | if (browser->top == NULL) { | |
627 | struct hist_browser *hb; | |
628 | ||
629 | hb = container_of(browser, struct hist_browser, b); | |
630 | browser->top = rb_first(&hb->hists->entries); | |
631 | } | |
632 | } | |
633 | ||
d1b4f249 ACM |
634 | static unsigned int hist_browser__refresh(struct ui_browser *self) |
635 | { | |
636 | unsigned row = 0; | |
637 | struct rb_node *nd; | |
638 | struct hist_browser *hb = container_of(self, struct hist_browser, b); | |
639 | ||
437cfe7a | 640 | ui_browser__hists_init_top(self); |
d1b4f249 ACM |
641 | |
642 | for (nd = self->top; nd; nd = rb_next(nd)) { | |
643 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
644 | ||
645 | if (h->filtered) | |
646 | continue; | |
647 | ||
648 | row += hist_browser__show_entry(hb, h, row); | |
649 | if (row == self->height) | |
650 | break; | |
651 | } | |
652 | ||
653 | return row; | |
654 | } | |
655 | ||
656 | static struct rb_node *hists__filter_entries(struct rb_node *nd) | |
657 | { | |
658 | while (nd != NULL) { | |
659 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
660 | if (!h->filtered) | |
661 | return nd; | |
662 | ||
663 | nd = rb_next(nd); | |
664 | } | |
665 | ||
666 | return NULL; | |
667 | } | |
668 | ||
669 | static struct rb_node *hists__filter_prev_entries(struct rb_node *nd) | |
670 | { | |
671 | while (nd != NULL) { | |
672 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
673 | if (!h->filtered) | |
674 | return nd; | |
675 | ||
676 | nd = rb_prev(nd); | |
677 | } | |
678 | ||
679 | return NULL; | |
680 | } | |
681 | ||
682 | static void ui_browser__hists_seek(struct ui_browser *self, | |
683 | off_t offset, int whence) | |
684 | { | |
685 | struct hist_entry *h; | |
686 | struct rb_node *nd; | |
687 | bool first = true; | |
688 | ||
60098917 ACM |
689 | if (self->nr_entries == 0) |
690 | return; | |
691 | ||
437cfe7a ACM |
692 | ui_browser__hists_init_top(self); |
693 | ||
d1b4f249 ACM |
694 | switch (whence) { |
695 | case SEEK_SET: | |
696 | nd = hists__filter_entries(rb_first(self->entries)); | |
697 | break; | |
698 | case SEEK_CUR: | |
699 | nd = self->top; | |
700 | goto do_offset; | |
701 | case SEEK_END: | |
702 | nd = hists__filter_prev_entries(rb_last(self->entries)); | |
703 | first = false; | |
704 | break; | |
705 | default: | |
706 | return; | |
707 | } | |
708 | ||
709 | /* | |
710 | * Moves not relative to the first visible entry invalidates its | |
711 | * row_offset: | |
712 | */ | |
713 | h = rb_entry(self->top, struct hist_entry, rb_node); | |
714 | h->row_offset = 0; | |
715 | ||
716 | /* | |
717 | * Here we have to check if nd is expanded (+), if it is we can't go | |
718 | * the next top level hist_entry, instead we must compute an offset of | |
719 | * what _not_ to show and not change the first visible entry. | |
720 | * | |
721 | * This offset increments when we are going from top to bottom and | |
722 | * decreases when we're going from bottom to top. | |
723 | * | |
724 | * As we don't have backpointers to the top level in the callchains | |
725 | * structure, we need to always print the whole hist_entry callchain, | |
726 | * skipping the first ones that are before the first visible entry | |
727 | * and stop when we printed enough lines to fill the screen. | |
728 | */ | |
729 | do_offset: | |
730 | if (offset > 0) { | |
731 | do { | |
732 | h = rb_entry(nd, struct hist_entry, rb_node); | |
733 | if (h->ms.unfolded) { | |
734 | u16 remaining = h->nr_rows - h->row_offset; | |
735 | if (offset > remaining) { | |
736 | offset -= remaining; | |
737 | h->row_offset = 0; | |
738 | } else { | |
739 | h->row_offset += offset; | |
740 | offset = 0; | |
741 | self->top = nd; | |
742 | break; | |
743 | } | |
744 | } | |
745 | nd = hists__filter_entries(rb_next(nd)); | |
746 | if (nd == NULL) | |
747 | break; | |
748 | --offset; | |
749 | self->top = nd; | |
750 | } while (offset != 0); | |
751 | } else if (offset < 0) { | |
752 | while (1) { | |
753 | h = rb_entry(nd, struct hist_entry, rb_node); | |
754 | if (h->ms.unfolded) { | |
755 | if (first) { | |
756 | if (-offset > h->row_offset) { | |
757 | offset += h->row_offset; | |
758 | h->row_offset = 0; | |
759 | } else { | |
760 | h->row_offset += offset; | |
761 | offset = 0; | |
762 | self->top = nd; | |
763 | break; | |
764 | } | |
765 | } else { | |
766 | if (-offset > h->nr_rows) { | |
767 | offset += h->nr_rows; | |
768 | h->row_offset = 0; | |
769 | } else { | |
770 | h->row_offset = h->nr_rows + offset; | |
771 | offset = 0; | |
772 | self->top = nd; | |
773 | break; | |
774 | } | |
775 | } | |
776 | } | |
777 | ||
778 | nd = hists__filter_prev_entries(rb_prev(nd)); | |
779 | if (nd == NULL) | |
780 | break; | |
781 | ++offset; | |
782 | self->top = nd; | |
783 | if (offset == 0) { | |
784 | /* | |
785 | * Last unfiltered hist_entry, check if it is | |
786 | * unfolded, if it is then we should have | |
787 | * row_offset at its last entry. | |
788 | */ | |
789 | h = rb_entry(nd, struct hist_entry, rb_node); | |
790 | if (h->ms.unfolded) | |
791 | h->row_offset = h->nr_rows; | |
792 | break; | |
793 | } | |
794 | first = false; | |
795 | } | |
796 | } else { | |
797 | self->top = nd; | |
798 | h = rb_entry(nd, struct hist_entry, rb_node); | |
799 | h->row_offset = 0; | |
800 | } | |
801 | } | |
802 | ||
803 | static struct hist_browser *hist_browser__new(struct hists *hists) | |
804 | { | |
805 | struct hist_browser *self = zalloc(sizeof(*self)); | |
806 | ||
807 | if (self) { | |
808 | self->hists = hists; | |
809 | self->b.refresh = hist_browser__refresh; | |
810 | self->b.seek = ui_browser__hists_seek; | |
a68c2c58 SE |
811 | self->b.use_navkeypressed = true; |
812 | if (sort__branch_mode == 1) | |
813 | self->has_symbols = sort_sym_from.list.next != NULL; | |
814 | else | |
815 | self->has_symbols = sort_sym.list.next != NULL; | |
d1b4f249 ACM |
816 | } |
817 | ||
818 | return self; | |
819 | } | |
820 | ||
821 | static void hist_browser__delete(struct hist_browser *self) | |
822 | { | |
d1b4f249 ACM |
823 | free(self); |
824 | } | |
825 | ||
826 | static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self) | |
827 | { | |
828 | return self->he_selection; | |
829 | } | |
830 | ||
831 | static struct thread *hist_browser__selected_thread(struct hist_browser *self) | |
832 | { | |
833 | return self->he_selection->thread; | |
834 | } | |
835 | ||
469917ce | 836 | static int hists__browser_title(struct hists *self, char *bf, size_t size, |
d7b76f09 | 837 | const char *ev_name) |
d1b4f249 | 838 | { |
469917ce ACM |
839 | char unit; |
840 | int printed; | |
d7b76f09 ACM |
841 | const struct dso *dso = self->dso_filter; |
842 | const struct thread *thread = self->thread_filter; | |
cc686280 AR |
843 | unsigned long nr_samples = self->stats.nr_events[PERF_RECORD_SAMPLE]; |
844 | u64 nr_events = self->stats.total_period; | |
845 | ||
846 | nr_samples = convert_unit(nr_samples, &unit); | |
847 | printed = scnprintf(bf, size, | |
848 | "Samples: %lu%c of event '%s', Event count (approx.): %lu", | |
849 | nr_samples, unit, ev_name, nr_events); | |
469917ce | 850 | |
d1b4f249 | 851 | |
0d37aa34 ACM |
852 | if (self->uid_filter_str) |
853 | printed += snprintf(bf + printed, size - printed, | |
854 | ", UID: %s", self->uid_filter_str); | |
d1b4f249 | 855 | if (thread) |
e7f01d1e | 856 | printed += scnprintf(bf + printed, size - printed, |
469917ce ACM |
857 | ", Thread: %s(%d)", |
858 | (thread->comm_set ? thread->comm : ""), | |
d1b4f249 ACM |
859 | thread->pid); |
860 | if (dso) | |
e7f01d1e | 861 | printed += scnprintf(bf + printed, size - printed, |
469917ce ACM |
862 | ", DSO: %s", dso->short_name); |
863 | return printed; | |
d1b4f249 ACM |
864 | } |
865 | ||
24bff2dc SE |
866 | static inline void free_popup_options(char **options, int n) |
867 | { | |
868 | int i; | |
869 | ||
870 | for (i = 0; i < n; ++i) { | |
871 | free(options[i]); | |
872 | options[i] = NULL; | |
873 | } | |
874 | } | |
875 | ||
34958544 | 876 | static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, |
7f0030b2 | 877 | const char *helpline, const char *ev_name, |
81cce8de ACM |
878 | bool left_exits, |
879 | void(*timer)(void *arg), void *arg, | |
880 | int delay_secs) | |
d1b4f249 | 881 | { |
7f0030b2 | 882 | struct hists *self = &evsel->hists; |
d1b4f249 | 883 | struct hist_browser *browser = hist_browser__new(self); |
a68c2c58 | 884 | struct branch_info *bi; |
d1b4f249 | 885 | struct pstack *fstack; |
24bff2dc SE |
886 | char *options[16]; |
887 | int nr_options = 0; | |
d1b4f249 | 888 | int key = -1; |
938a23ae | 889 | char buf[64]; |
d1b4f249 ACM |
890 | |
891 | if (browser == NULL) | |
892 | return -1; | |
893 | ||
894 | fstack = pstack__new(2); | |
895 | if (fstack == NULL) | |
896 | goto out; | |
897 | ||
898 | ui_helpline__push(helpline); | |
899 | ||
24bff2dc SE |
900 | memset(options, 0, sizeof(options)); |
901 | ||
d1b4f249 | 902 | while (1) { |
60098917 ACM |
903 | const struct thread *thread = NULL; |
904 | const struct dso *dso = NULL; | |
24bff2dc | 905 | int choice = 0, |
d1b4f249 | 906 | annotate = -2, zoom_dso = -2, zoom_thread = -2, |
a68c2c58 | 907 | annotate_f = -2, annotate_t = -2, browse_map = -2; |
d1b4f249 | 908 | |
24bff2dc SE |
909 | nr_options = 0; |
910 | ||
81cce8de | 911 | key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); |
d1b4f249 | 912 | |
60098917 ACM |
913 | if (browser->he_selection != NULL) { |
914 | thread = hist_browser__selected_thread(browser); | |
915 | dso = browser->selection->map ? browser->selection->map->dso : NULL; | |
916 | } | |
b50e003d | 917 | switch (key) { |
cf958003 ACM |
918 | case K_TAB: |
919 | case K_UNTAB: | |
e4419b8e DA |
920 | if (nr_events == 1) |
921 | continue; | |
b50e003d ACM |
922 | /* |
923 | * Exit the browser, let hists__browser_tree | |
924 | * go to the next or previous | |
925 | */ | |
926 | goto out_free_stack; | |
927 | case 'a': | |
a6e51f9f | 928 | if (!browser->has_symbols) { |
7b27509f | 929 | ui_browser__warning(&browser->b, delay_secs * 2, |
a6e51f9f | 930 | "Annotation is only available for symbolic views, " |
a68c2c58 | 931 | "include \"sym*\" in --sort to use it."); |
a6e51f9f ACM |
932 | continue; |
933 | } | |
934 | ||
60098917 | 935 | if (browser->selection == NULL || |
db9a9cbc | 936 | browser->selection->sym == NULL || |
b50e003d | 937 | browser->selection->map->dso->annotate_warned) |
d1b4f249 | 938 | continue; |
b50e003d ACM |
939 | goto do_annotate; |
940 | case 'd': | |
941 | goto zoom_dso; | |
942 | case 't': | |
943 | goto zoom_thread; | |
938a23ae NK |
944 | case 's': |
945 | if (ui_browser__input_window("Symbol to show", | |
946 | "Please enter the name of symbol you want to see", | |
947 | buf, "ENTER: OK, ESC: Cancel", | |
948 | delay_secs * 2) == K_ENTER) { | |
949 | self->symbol_filter_str = *buf ? buf : NULL; | |
950 | hists__filter_by_symbol(self); | |
951 | hist_browser__reset(browser); | |
952 | } | |
953 | continue; | |
cf958003 | 954 | case K_F1: |
b50e003d ACM |
955 | case 'h': |
956 | case '?': | |
4610e413 ACM |
957 | ui_browser__help_window(&browser->b, |
958 | "h/?/F1 Show this window\n" | |
2d5646c0 ACM |
959 | "UP/DOWN/PGUP\n" |
960 | "PGDN/SPACE Navigate\n" | |
961 | "q/ESC/CTRL+C Exit browser\n\n" | |
962 | "For multiple event sessions:\n\n" | |
963 | "TAB/UNTAB Switch events\n\n" | |
724c9c9f | 964 | "For symbolic views (--sort has sym):\n\n" |
2d5646c0 ACM |
965 | "-> Zoom into DSO/Threads & Annotate current symbol\n" |
966 | "<- Zoom out\n" | |
967 | "a Annotate current symbol\n" | |
968 | "C Collapse all callchains\n" | |
969 | "E Expand all callchains\n" | |
970 | "d Zoom into current DSO\n" | |
938a23ae NK |
971 | "t Zoom into current Thread\n" |
972 | "s Filter symbol by name"); | |
b50e003d | 973 | continue; |
cf958003 ACM |
974 | case K_ENTER: |
975 | case K_RIGHT: | |
b50e003d ACM |
976 | /* menu */ |
977 | break; | |
cf958003 | 978 | case K_LEFT: { |
b50e003d | 979 | const void *top; |
d1b4f249 | 980 | |
7f0030b2 ACM |
981 | if (pstack__empty(fstack)) { |
982 | /* | |
983 | * Go back to the perf_evsel_menu__run or other user | |
984 | */ | |
985 | if (left_exits) | |
986 | goto out_free_stack; | |
d1b4f249 | 987 | continue; |
7f0030b2 | 988 | } |
b50e003d | 989 | top = pstack__pop(fstack); |
d7b76f09 | 990 | if (top == &browser->hists->dso_filter) |
b50e003d | 991 | goto zoom_out_dso; |
d7b76f09 | 992 | if (top == &browser->hists->thread_filter) |
b50e003d ACM |
993 | goto zoom_out_thread; |
994 | continue; | |
995 | } | |
cf958003 | 996 | case K_ESC: |
7f0030b2 | 997 | if (!left_exits && |
4610e413 ACM |
998 | !ui_browser__dialog_yesno(&browser->b, |
999 | "Do you really want to exit?")) | |
b50e003d ACM |
1000 | continue; |
1001 | /* Fall thru */ | |
ed7e5662 ACM |
1002 | case 'q': |
1003 | case CTRL('c'): | |
b50e003d | 1004 | goto out_free_stack; |
ed7e5662 ACM |
1005 | default: |
1006 | continue; | |
d1b4f249 ACM |
1007 | } |
1008 | ||
724c9c9f ACM |
1009 | if (!browser->has_symbols) |
1010 | goto add_exit_option; | |
1011 | ||
a68c2c58 SE |
1012 | if (sort__branch_mode == 1) { |
1013 | bi = browser->he_selection->branch_info; | |
1014 | if (browser->selection != NULL && | |
1015 | bi && | |
1016 | bi->from.sym != NULL && | |
1017 | !bi->from.map->dso->annotate_warned && | |
1018 | asprintf(&options[nr_options], "Annotate %s", | |
1019 | bi->from.sym->name) > 0) | |
1020 | annotate_f = nr_options++; | |
1021 | ||
1022 | if (browser->selection != NULL && | |
1023 | bi && | |
1024 | bi->to.sym != NULL && | |
1025 | !bi->to.map->dso->annotate_warned && | |
8bcd65fd SE |
1026 | (bi->to.sym != bi->from.sym || |
1027 | bi->to.map->dso != bi->from.map->dso) && | |
a68c2c58 SE |
1028 | asprintf(&options[nr_options], "Annotate %s", |
1029 | bi->to.sym->name) > 0) | |
1030 | annotate_t = nr_options++; | |
1031 | } else { | |
1032 | ||
1033 | if (browser->selection != NULL && | |
1034 | browser->selection->sym != NULL && | |
1035 | !browser->selection->map->dso->annotate_warned && | |
1036 | asprintf(&options[nr_options], "Annotate %s", | |
1037 | browser->selection->sym->name) > 0) | |
1038 | annotate = nr_options++; | |
1039 | } | |
d1b4f249 ACM |
1040 | |
1041 | if (thread != NULL && | |
1042 | asprintf(&options[nr_options], "Zoom %s %s(%d) thread", | |
d7b76f09 | 1043 | (browser->hists->thread_filter ? "out of" : "into"), |
d1b4f249 ACM |
1044 | (thread->comm_set ? thread->comm : ""), |
1045 | thread->pid) > 0) | |
1046 | zoom_thread = nr_options++; | |
1047 | ||
1048 | if (dso != NULL && | |
1049 | asprintf(&options[nr_options], "Zoom %s %s DSO", | |
d7b76f09 | 1050 | (browser->hists->dso_filter ? "out of" : "into"), |
d1b4f249 ACM |
1051 | (dso->kernel ? "the Kernel" : dso->short_name)) > 0) |
1052 | zoom_dso = nr_options++; | |
1053 | ||
60098917 ACM |
1054 | if (browser->selection != NULL && |
1055 | browser->selection->map != NULL && | |
d1b4f249 ACM |
1056 | asprintf(&options[nr_options], "Browse map details") > 0) |
1057 | browse_map = nr_options++; | |
724c9c9f | 1058 | add_exit_option: |
d1b4f249 | 1059 | options[nr_options++] = (char *)"Exit"; |
24bff2dc | 1060 | retry_popup_menu: |
1e6dd077 | 1061 | choice = ui__popup_menu(nr_options, options); |
d1b4f249 | 1062 | |
d1b4f249 ACM |
1063 | if (choice == nr_options - 1) |
1064 | break; | |
1065 | ||
24bff2dc SE |
1066 | if (choice == -1) { |
1067 | free_popup_options(options, nr_options - 1); | |
d1b4f249 | 1068 | continue; |
24bff2dc | 1069 | } |
d1b4f249 | 1070 | |
a68c2c58 | 1071 | if (choice == annotate || choice == annotate_t || choice == annotate_f) { |
d1b4f249 | 1072 | struct hist_entry *he; |
4610e413 | 1073 | int err; |
d1b4f249 | 1074 | do_annotate: |
d1b4f249 ACM |
1075 | he = hist_browser__selected_entry(browser); |
1076 | if (he == NULL) | |
1077 | continue; | |
a68c2c58 SE |
1078 | |
1079 | /* | |
1080 | * we stash the branch_info symbol + map into the | |
1081 | * the ms so we don't have to rewrite all the annotation | |
1082 | * code to use branch_info. | |
1083 | * in branch mode, the ms struct is not used | |
1084 | */ | |
1085 | if (choice == annotate_f) { | |
1086 | he->ms.sym = he->branch_info->from.sym; | |
1087 | he->ms.map = he->branch_info->from.map; | |
1088 | } else if (choice == annotate_t) { | |
1089 | he->ms.sym = he->branch_info->to.sym; | |
1090 | he->ms.map = he->branch_info->to.map; | |
1091 | } | |
1092 | ||
df71d95f ACM |
1093 | /* |
1094 | * Don't let this be freed, say, by hists__decay_entry. | |
1095 | */ | |
1096 | he->used = true; | |
d04b35f8 | 1097 | err = hist_entry__tui_annotate(he, evsel->idx, |
4610e413 | 1098 | timer, arg, delay_secs); |
df71d95f | 1099 | he->used = false; |
24bff2dc SE |
1100 | /* |
1101 | * offer option to annotate the other branch source or target | |
1102 | * (if they exists) when returning from annotate | |
1103 | */ | |
1104 | if ((err == 'q' || err == CTRL('c')) | |
1105 | && annotate_t != -2 && annotate_f != -2) | |
1106 | goto retry_popup_menu; | |
1107 | ||
900e14a8 | 1108 | ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); |
4610e413 ACM |
1109 | if (err) |
1110 | ui_browser__handle_resize(&browser->b); | |
24bff2dc | 1111 | |
d1b4f249 ACM |
1112 | } else if (choice == browse_map) |
1113 | map__browse(browser->selection->map); | |
1114 | else if (choice == zoom_dso) { | |
1115 | zoom_dso: | |
d7b76f09 ACM |
1116 | if (browser->hists->dso_filter) { |
1117 | pstack__remove(fstack, &browser->hists->dso_filter); | |
d1b4f249 ACM |
1118 | zoom_out_dso: |
1119 | ui_helpline__pop(); | |
d7b76f09 | 1120 | browser->hists->dso_filter = NULL; |
cc02c921 | 1121 | sort_dso.elide = false; |
d1b4f249 ACM |
1122 | } else { |
1123 | if (dso == NULL) | |
1124 | continue; | |
1125 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", | |
1126 | dso->kernel ? "the Kernel" : dso->short_name); | |
d7b76f09 | 1127 | browser->hists->dso_filter = dso; |
cc02c921 | 1128 | sort_dso.elide = true; |
d7b76f09 | 1129 | pstack__push(fstack, &browser->hists->dso_filter); |
d1b4f249 | 1130 | } |
d7b76f09 | 1131 | hists__filter_by_dso(self); |
d1b4f249 ACM |
1132 | hist_browser__reset(browser); |
1133 | } else if (choice == zoom_thread) { | |
1134 | zoom_thread: | |
d7b76f09 ACM |
1135 | if (browser->hists->thread_filter) { |
1136 | pstack__remove(fstack, &browser->hists->thread_filter); | |
d1b4f249 ACM |
1137 | zoom_out_thread: |
1138 | ui_helpline__pop(); | |
d7b76f09 | 1139 | browser->hists->thread_filter = NULL; |
cc02c921 | 1140 | sort_thread.elide = false; |
d1b4f249 ACM |
1141 | } else { |
1142 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", | |
1143 | thread->comm_set ? thread->comm : "", | |
1144 | thread->pid); | |
d7b76f09 | 1145 | browser->hists->thread_filter = thread; |
cc02c921 | 1146 | sort_thread.elide = true; |
d7b76f09 | 1147 | pstack__push(fstack, &browser->hists->thread_filter); |
d1b4f249 | 1148 | } |
d7b76f09 | 1149 | hists__filter_by_thread(self); |
d1b4f249 ACM |
1150 | hist_browser__reset(browser); |
1151 | } | |
1152 | } | |
1153 | out_free_stack: | |
1154 | pstack__delete(fstack); | |
1155 | out: | |
1156 | hist_browser__delete(browser); | |
24bff2dc | 1157 | free_popup_options(options, nr_options - 1); |
d1b4f249 ACM |
1158 | return key; |
1159 | } | |
1160 | ||
7f0030b2 ACM |
1161 | struct perf_evsel_menu { |
1162 | struct ui_browser b; | |
1163 | struct perf_evsel *selection; | |
7b27509f | 1164 | bool lost_events, lost_events_warned; |
7f0030b2 ACM |
1165 | }; |
1166 | ||
1167 | static void perf_evsel_menu__write(struct ui_browser *browser, | |
1168 | void *entry, int row) | |
1169 | { | |
1170 | struct perf_evsel_menu *menu = container_of(browser, | |
1171 | struct perf_evsel_menu, b); | |
1172 | struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); | |
1173 | bool current_entry = ui_browser__is_current_entry(browser, row); | |
1174 | unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
1175 | const char *ev_name = event_name(evsel); | |
1176 | char bf[256], unit; | |
7b27509f ACM |
1177 | const char *warn = " "; |
1178 | size_t printed; | |
7f0030b2 ACM |
1179 | |
1180 | ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : | |
1181 | HE_COLORSET_NORMAL); | |
1182 | ||
1183 | nr_events = convert_unit(nr_events, &unit); | |
e7f01d1e | 1184 | printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, |
7b27509f ACM |
1185 | unit, unit == ' ' ? "" : " ", ev_name); |
1186 | slsmg_printf("%s", bf); | |
1187 | ||
1188 | nr_events = evsel->hists.stats.nr_events[PERF_RECORD_LOST]; | |
1189 | if (nr_events != 0) { | |
1190 | menu->lost_events = true; | |
1191 | if (!current_entry) | |
1192 | ui_browser__set_color(browser, HE_COLORSET_TOP); | |
1193 | nr_events = convert_unit(nr_events, &unit); | |
e7f01d1e ACM |
1194 | printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", |
1195 | nr_events, unit, unit == ' ' ? "" : " "); | |
7b27509f ACM |
1196 | warn = bf; |
1197 | } | |
1198 | ||
1199 | slsmg_write_nstring(warn, browser->width - printed); | |
7f0030b2 ACM |
1200 | |
1201 | if (current_entry) | |
1202 | menu->selection = evsel; | |
1203 | } | |
1204 | ||
34958544 ACM |
1205 | static int perf_evsel_menu__run(struct perf_evsel_menu *menu, |
1206 | int nr_events, const char *help, | |
81cce8de | 1207 | void(*timer)(void *arg), void *arg, int delay_secs) |
d1b4f249 | 1208 | { |
7f0030b2 | 1209 | struct perf_evlist *evlist = menu->b.priv; |
e248de33 | 1210 | struct perf_evsel *pos; |
7f0030b2 ACM |
1211 | const char *ev_name, *title = "Available samples"; |
1212 | int key; | |
d1b4f249 | 1213 | |
7f0030b2 ACM |
1214 | if (ui_browser__show(&menu->b, title, |
1215 | "ESC: exit, ENTER|->: Browse histograms") < 0) | |
1216 | return -1; | |
1217 | ||
7f0030b2 | 1218 | while (1) { |
3af6e338 | 1219 | key = ui_browser__run(&menu->b, delay_secs); |
7f0030b2 ACM |
1220 | |
1221 | switch (key) { | |
cf958003 | 1222 | case K_TIMER: |
81cce8de | 1223 | timer(arg); |
7b27509f ACM |
1224 | |
1225 | if (!menu->lost_events_warned && menu->lost_events) { | |
1226 | ui_browser__warn_lost_events(&menu->b); | |
1227 | menu->lost_events_warned = true; | |
1228 | } | |
81cce8de | 1229 | continue; |
cf958003 ACM |
1230 | case K_RIGHT: |
1231 | case K_ENTER: | |
7f0030b2 ACM |
1232 | if (!menu->selection) |
1233 | continue; | |
1234 | pos = menu->selection; | |
1235 | browse_hists: | |
18eaf0b8 ACM |
1236 | perf_evlist__set_selected(evlist, pos); |
1237 | /* | |
1238 | * Give the calling tool a chance to populate the non | |
1239 | * default evsel resorted hists tree. | |
1240 | */ | |
1241 | if (timer) | |
1242 | timer(arg); | |
7f0030b2 | 1243 | ev_name = event_name(pos); |
34958544 ACM |
1244 | key = perf_evsel__hists_browse(pos, nr_events, help, |
1245 | ev_name, true, timer, | |
1246 | arg, delay_secs); | |
7f0030b2 | 1247 | ui_browser__show_title(&menu->b, title); |
18eaf0b8 | 1248 | switch (key) { |
cf958003 | 1249 | case K_TAB: |
18eaf0b8 ACM |
1250 | if (pos->node.next == &evlist->entries) |
1251 | pos = list_entry(evlist->entries.next, struct perf_evsel, node); | |
1252 | else | |
1253 | pos = list_entry(pos->node.next, struct perf_evsel, node); | |
1254 | goto browse_hists; | |
cf958003 | 1255 | case K_UNTAB: |
18eaf0b8 ACM |
1256 | if (pos->node.prev == &evlist->entries) |
1257 | pos = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
1258 | else | |
1259 | pos = list_entry(pos->node.prev, struct perf_evsel, node); | |
1260 | goto browse_hists; | |
cf958003 | 1261 | case K_ESC: |
4610e413 ACM |
1262 | if (!ui_browser__dialog_yesno(&menu->b, |
1263 | "Do you really want to exit?")) | |
18eaf0b8 ACM |
1264 | continue; |
1265 | /* Fall thru */ | |
1266 | case 'q': | |
1267 | case CTRL('c'): | |
1268 | goto out; | |
1269 | default: | |
1270 | continue; | |
1271 | } | |
cf958003 | 1272 | case K_LEFT: |
7f0030b2 | 1273 | continue; |
cf958003 | 1274 | case K_ESC: |
4610e413 ACM |
1275 | if (!ui_browser__dialog_yesno(&menu->b, |
1276 | "Do you really want to exit?")) | |
ed7e5662 ACM |
1277 | continue; |
1278 | /* Fall thru */ | |
7f0030b2 ACM |
1279 | case 'q': |
1280 | case CTRL('c'): | |
1281 | goto out; | |
d1b4f249 | 1282 | default: |
18eaf0b8 | 1283 | continue; |
d1b4f249 ACM |
1284 | } |
1285 | } | |
1286 | ||
7f0030b2 ACM |
1287 | out: |
1288 | ui_browser__hide(&menu->b); | |
1289 | return key; | |
1290 | } | |
1291 | ||
1292 | static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, | |
81cce8de ACM |
1293 | const char *help, |
1294 | void(*timer)(void *arg), void *arg, | |
1295 | int delay_secs) | |
7f0030b2 ACM |
1296 | { |
1297 | struct perf_evsel *pos; | |
1298 | struct perf_evsel_menu menu = { | |
1299 | .b = { | |
1300 | .entries = &evlist->entries, | |
1301 | .refresh = ui_browser__list_head_refresh, | |
1302 | .seek = ui_browser__list_head_seek, | |
1303 | .write = perf_evsel_menu__write, | |
1304 | .nr_entries = evlist->nr_entries, | |
1305 | .priv = evlist, | |
1306 | }, | |
1307 | }; | |
1308 | ||
1309 | ui_helpline__push("Press ESC to exit"); | |
1310 | ||
1311 | list_for_each_entry(pos, &evlist->entries, node) { | |
1312 | const char *ev_name = event_name(pos); | |
1313 | size_t line_len = strlen(ev_name) + 7; | |
1314 | ||
1315 | if (menu.b.width < line_len) | |
1316 | menu.b.width = line_len; | |
1317 | /* | |
1318 | * Cache the evsel name, tracepoints have a _high_ cost per | |
1319 | * event_name() call. | |
1320 | */ | |
1321 | if (pos->name == NULL) | |
1322 | pos->name = strdup(ev_name); | |
1323 | } | |
1324 | ||
34958544 ACM |
1325 | return perf_evsel_menu__run(&menu, evlist->nr_entries, help, timer, |
1326 | arg, delay_secs); | |
7f0030b2 ACM |
1327 | } |
1328 | ||
81cce8de ACM |
1329 | int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, |
1330 | void(*timer)(void *arg), void *arg, | |
1331 | int delay_secs) | |
7f0030b2 ACM |
1332 | { |
1333 | ||
1334 | if (evlist->nr_entries == 1) { | |
1335 | struct perf_evsel *first = list_entry(evlist->entries.next, | |
1336 | struct perf_evsel, node); | |
1337 | const char *ev_name = event_name(first); | |
34958544 ACM |
1338 | return perf_evsel__hists_browse(first, evlist->nr_entries, help, |
1339 | ev_name, false, timer, arg, | |
1340 | delay_secs); | |
7f0030b2 ACM |
1341 | } |
1342 | ||
81cce8de ACM |
1343 | return __perf_evlist__tui_browse_hists(evlist, help, |
1344 | timer, arg, delay_secs); | |
d1b4f249 | 1345 | } |