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Commit | Line | Data |
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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 | ||
aca7a94d NK |
8 | #include "../../util/evsel.h" |
9 | #include "../../util/evlist.h" | |
10 | #include "../../util/hist.h" | |
11 | #include "../../util/pstack.h" | |
12 | #include "../../util/sort.h" | |
13 | #include "../../util/util.h" | |
d1b4f249 ACM |
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; | |
aff3f3f6 | 26 | int print_seq; |
a7cb8863 | 27 | bool show_dso; |
724c9c9f | 28 | bool has_symbols; |
d1b4f249 ACM |
29 | }; |
30 | ||
f5951d56 NK |
31 | extern void hist_browser__init_hpp(void); |
32 | ||
05e8b080 | 33 | static int hists__browser_title(struct hists *hists, char *bf, size_t size, |
d7b76f09 | 34 | const char *ev_name); |
81cce8de | 35 | |
05e8b080 | 36 | static void hist_browser__refresh_dimensions(struct hist_browser *browser) |
d1b4f249 ACM |
37 | { |
38 | /* 3 == +/- toggle symbol before actual hist_entry rendering */ | |
05e8b080 | 39 | browser->b.width = 3 + (hists__sort_list_width(browser->hists) + |
d1b4f249 ACM |
40 | sizeof("[k]")); |
41 | } | |
42 | ||
05e8b080 | 43 | static void hist_browser__reset(struct hist_browser *browser) |
d1b4f249 | 44 | { |
05e8b080 ACM |
45 | browser->b.nr_entries = browser->hists->nr_entries; |
46 | hist_browser__refresh_dimensions(browser); | |
47 | ui_browser__reset_index(&browser->b); | |
d1b4f249 ACM |
48 | } |
49 | ||
50 | static char tree__folded_sign(bool unfolded) | |
51 | { | |
52 | return unfolded ? '-' : '+'; | |
53 | } | |
54 | ||
05e8b080 | 55 | static char map_symbol__folded(const struct map_symbol *ms) |
d1b4f249 | 56 | { |
05e8b080 | 57 | return ms->has_children ? tree__folded_sign(ms->unfolded) : ' '; |
d1b4f249 ACM |
58 | } |
59 | ||
05e8b080 | 60 | static char hist_entry__folded(const struct hist_entry *he) |
d1b4f249 | 61 | { |
05e8b080 | 62 | return map_symbol__folded(&he->ms); |
d1b4f249 ACM |
63 | } |
64 | ||
05e8b080 | 65 | static char callchain_list__folded(const struct callchain_list *cl) |
d1b4f249 | 66 | { |
05e8b080 | 67 | return map_symbol__folded(&cl->ms); |
d1b4f249 ACM |
68 | } |
69 | ||
05e8b080 | 70 | static void map_symbol__set_folding(struct map_symbol *ms, bool unfold) |
3c916cc2 | 71 | { |
05e8b080 | 72 | ms->unfolded = unfold ? ms->has_children : false; |
3c916cc2 ACM |
73 | } |
74 | ||
05e8b080 | 75 | static int callchain_node__count_rows_rb_tree(struct callchain_node *node) |
d1b4f249 ACM |
76 | { |
77 | int n = 0; | |
78 | struct rb_node *nd; | |
79 | ||
05e8b080 | 80 | for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { |
d1b4f249 ACM |
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 | ||
05e8b080 | 130 | static bool map_symbol__toggle_fold(struct map_symbol *ms) |
d1b4f249 | 131 | { |
05e8b080 | 132 | if (!ms) |
8493fe1d JO |
133 | return false; |
134 | ||
05e8b080 | 135 | if (!ms->has_children) |
d1b4f249 ACM |
136 | return false; |
137 | ||
05e8b080 | 138 | ms->unfolded = !ms->unfolded; |
d1b4f249 ACM |
139 | return true; |
140 | } | |
141 | ||
05e8b080 | 142 | static void callchain_node__init_have_children_rb_tree(struct callchain_node *node) |
d1b4f249 | 143 | { |
05e8b080 | 144 | struct rb_node *nd = rb_first(&node->rb_root); |
d1b4f249 | 145 | |
05e8b080 | 146 | for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { |
d1b4f249 ACM |
147 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); |
148 | struct callchain_list *chain; | |
293db47f | 149 | bool first = true; |
d1b4f249 ACM |
150 | |
151 | list_for_each_entry(chain, &child->val, list) { | |
152 | if (first) { | |
153 | first = false; | |
154 | chain->ms.has_children = chain->list.next != &child->val || | |
293db47f | 155 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
156 | } else |
157 | chain->ms.has_children = chain->list.next == &child->val && | |
293db47f | 158 | !RB_EMPTY_ROOT(&child->rb_root); |
d1b4f249 ACM |
159 | } |
160 | ||
161 | callchain_node__init_have_children_rb_tree(child); | |
162 | } | |
163 | } | |
164 | ||
05e8b080 | 165 | static void callchain_node__init_have_children(struct callchain_node *node) |
d1b4f249 ACM |
166 | { |
167 | struct callchain_list *chain; | |
168 | ||
05e8b080 ACM |
169 | list_for_each_entry(chain, &node->val, list) |
170 | chain->ms.has_children = !RB_EMPTY_ROOT(&node->rb_root); | |
d1b4f249 | 171 | |
05e8b080 | 172 | callchain_node__init_have_children_rb_tree(node); |
d1b4f249 ACM |
173 | } |
174 | ||
05e8b080 | 175 | static void callchain__init_have_children(struct rb_root *root) |
d1b4f249 ACM |
176 | { |
177 | struct rb_node *nd; | |
178 | ||
05e8b080 | 179 | for (nd = rb_first(root); nd; nd = rb_next(nd)) { |
d1b4f249 ACM |
180 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); |
181 | callchain_node__init_have_children(node); | |
182 | } | |
183 | } | |
184 | ||
05e8b080 | 185 | static void hist_entry__init_have_children(struct hist_entry *he) |
d1b4f249 | 186 | { |
05e8b080 ACM |
187 | if (!he->init_have_children) { |
188 | he->ms.has_children = !RB_EMPTY_ROOT(&he->sorted_chain); | |
189 | callchain__init_have_children(&he->sorted_chain); | |
190 | he->init_have_children = true; | |
d1b4f249 ACM |
191 | } |
192 | } | |
193 | ||
05e8b080 | 194 | static bool hist_browser__toggle_fold(struct hist_browser *browser) |
d1b4f249 | 195 | { |
05e8b080 ACM |
196 | if (map_symbol__toggle_fold(browser->selection)) { |
197 | struct hist_entry *he = browser->he_selection; | |
d1b4f249 ACM |
198 | |
199 | hist_entry__init_have_children(he); | |
05e8b080 | 200 | browser->hists->nr_entries -= he->nr_rows; |
d1b4f249 ACM |
201 | |
202 | if (he->ms.unfolded) | |
203 | he->nr_rows = callchain__count_rows(&he->sorted_chain); | |
204 | else | |
205 | he->nr_rows = 0; | |
05e8b080 ACM |
206 | browser->hists->nr_entries += he->nr_rows; |
207 | browser->b.nr_entries = browser->hists->nr_entries; | |
d1b4f249 ACM |
208 | |
209 | return true; | |
210 | } | |
211 | ||
212 | /* If it doesn't have children, no toggling performed */ | |
213 | return false; | |
214 | } | |
215 | ||
05e8b080 | 216 | static int callchain_node__set_folding_rb_tree(struct callchain_node *node, bool unfold) |
3c916cc2 ACM |
217 | { |
218 | int n = 0; | |
219 | struct rb_node *nd; | |
220 | ||
05e8b080 | 221 | for (nd = rb_first(&node->rb_root); nd; nd = rb_next(nd)) { |
3c916cc2 ACM |
222 | struct callchain_node *child = rb_entry(nd, struct callchain_node, rb_node); |
223 | struct callchain_list *chain; | |
224 | bool has_children = false; | |
225 | ||
226 | list_for_each_entry(chain, &child->val, list) { | |
227 | ++n; | |
228 | map_symbol__set_folding(&chain->ms, unfold); | |
229 | has_children = chain->ms.has_children; | |
230 | } | |
231 | ||
232 | if (has_children) | |
233 | n += callchain_node__set_folding_rb_tree(child, unfold); | |
234 | } | |
235 | ||
236 | return n; | |
237 | } | |
238 | ||
239 | static int callchain_node__set_folding(struct callchain_node *node, bool unfold) | |
240 | { | |
241 | struct callchain_list *chain; | |
242 | bool has_children = false; | |
243 | int n = 0; | |
244 | ||
245 | list_for_each_entry(chain, &node->val, list) { | |
246 | ++n; | |
247 | map_symbol__set_folding(&chain->ms, unfold); | |
248 | has_children = chain->ms.has_children; | |
249 | } | |
250 | ||
251 | if (has_children) | |
252 | n += callchain_node__set_folding_rb_tree(node, unfold); | |
253 | ||
254 | return n; | |
255 | } | |
256 | ||
257 | static int callchain__set_folding(struct rb_root *chain, bool unfold) | |
258 | { | |
259 | struct rb_node *nd; | |
260 | int n = 0; | |
261 | ||
262 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
263 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
264 | n += callchain_node__set_folding(node, unfold); | |
265 | } | |
266 | ||
267 | return n; | |
268 | } | |
269 | ||
05e8b080 | 270 | static void hist_entry__set_folding(struct hist_entry *he, bool unfold) |
3c916cc2 | 271 | { |
05e8b080 ACM |
272 | hist_entry__init_have_children(he); |
273 | map_symbol__set_folding(&he->ms, unfold); | |
3c916cc2 | 274 | |
05e8b080 ACM |
275 | if (he->ms.has_children) { |
276 | int n = callchain__set_folding(&he->sorted_chain, unfold); | |
277 | he->nr_rows = unfold ? n : 0; | |
3c916cc2 | 278 | } else |
05e8b080 | 279 | he->nr_rows = 0; |
3c916cc2 ACM |
280 | } |
281 | ||
05e8b080 | 282 | static void hists__set_folding(struct hists *hists, bool unfold) |
3c916cc2 ACM |
283 | { |
284 | struct rb_node *nd; | |
285 | ||
05e8b080 | 286 | hists->nr_entries = 0; |
3c916cc2 | 287 | |
05e8b080 | 288 | for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { |
3c916cc2 ACM |
289 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
290 | hist_entry__set_folding(he, unfold); | |
05e8b080 | 291 | hists->nr_entries += 1 + he->nr_rows; |
3c916cc2 ACM |
292 | } |
293 | } | |
294 | ||
05e8b080 | 295 | static void hist_browser__set_folding(struct hist_browser *browser, bool unfold) |
3c916cc2 | 296 | { |
05e8b080 ACM |
297 | hists__set_folding(browser->hists, unfold); |
298 | browser->b.nr_entries = browser->hists->nr_entries; | |
3c916cc2 | 299 | /* Go to the start, we may be way after valid entries after a collapse */ |
05e8b080 | 300 | ui_browser__reset_index(&browser->b); |
3c916cc2 ACM |
301 | } |
302 | ||
7b27509f ACM |
303 | static void ui_browser__warn_lost_events(struct ui_browser *browser) |
304 | { | |
305 | ui_browser__warning(browser, 4, | |
306 | "Events are being lost, check IO/CPU overload!\n\n" | |
307 | "You may want to run 'perf' using a RT scheduler policy:\n\n" | |
308 | " perf top -r 80\n\n" | |
309 | "Or reduce the sampling frequency."); | |
310 | } | |
311 | ||
05e8b080 | 312 | static int hist_browser__run(struct hist_browser *browser, const char *ev_name, |
9783adf7 | 313 | struct hist_browser_timer *hbt) |
d1b4f249 | 314 | { |
b50e003d | 315 | int key; |
81cce8de | 316 | char title[160]; |
9783adf7 | 317 | int delay_secs = hbt ? hbt->refresh : 0; |
d1b4f249 | 318 | |
05e8b080 ACM |
319 | browser->b.entries = &browser->hists->entries; |
320 | browser->b.nr_entries = browser->hists->nr_entries; | |
d1b4f249 | 321 | |
05e8b080 ACM |
322 | hist_browser__refresh_dimensions(browser); |
323 | hists__browser_title(browser->hists, title, sizeof(title), ev_name); | |
d1b4f249 | 324 | |
05e8b080 | 325 | if (ui_browser__show(&browser->b, title, |
59e8fe32 | 326 | "Press '?' for help on key bindings") < 0) |
d1b4f249 ACM |
327 | return -1; |
328 | ||
d1b4f249 | 329 | while (1) { |
05e8b080 | 330 | key = ui_browser__run(&browser->b, delay_secs); |
d1b4f249 | 331 | |
b50e003d | 332 | switch (key) { |
13d8f96c | 333 | case K_TIMER: |
9783adf7 | 334 | hbt->timer(hbt->arg); |
05e8b080 | 335 | ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); |
7b27509f | 336 | |
05e8b080 ACM |
337 | if (browser->hists->stats.nr_lost_warned != |
338 | browser->hists->stats.nr_events[PERF_RECORD_LOST]) { | |
339 | browser->hists->stats.nr_lost_warned = | |
340 | browser->hists->stats.nr_events[PERF_RECORD_LOST]; | |
341 | ui_browser__warn_lost_events(&browser->b); | |
7b27509f ACM |
342 | } |
343 | ||
05e8b080 ACM |
344 | hists__browser_title(browser->hists, title, sizeof(title), ev_name); |
345 | ui_browser__show_title(&browser->b, title); | |
81cce8de | 346 | continue; |
4694153c | 347 | case 'D': { /* Debug */ |
d1b4f249 | 348 | static int seq; |
05e8b080 | 349 | struct hist_entry *h = rb_entry(browser->b.top, |
d1b4f249 ACM |
350 | struct hist_entry, rb_node); |
351 | ui_helpline__pop(); | |
352 | ui_helpline__fpush("%d: nr_ent=(%d,%d), height=%d, idx=%d, fve: idx=%d, row_off=%d, nrows=%d", | |
05e8b080 ACM |
353 | seq++, browser->b.nr_entries, |
354 | browser->hists->nr_entries, | |
355 | browser->b.height, | |
356 | browser->b.index, | |
357 | browser->b.top_idx, | |
d1b4f249 ACM |
358 | h->row_offset, h->nr_rows); |
359 | } | |
3c916cc2 ACM |
360 | break; |
361 | case 'C': | |
362 | /* Collapse the whole world. */ | |
05e8b080 | 363 | hist_browser__set_folding(browser, false); |
3c916cc2 ACM |
364 | break; |
365 | case 'E': | |
366 | /* Expand the whole world. */ | |
05e8b080 | 367 | hist_browser__set_folding(browser, true); |
3c916cc2 | 368 | break; |
cf958003 | 369 | case K_ENTER: |
05e8b080 | 370 | if (hist_browser__toggle_fold(browser)) |
d1b4f249 ACM |
371 | break; |
372 | /* fall thru */ | |
373 | default: | |
b50e003d | 374 | goto out; |
d1b4f249 ACM |
375 | } |
376 | } | |
b50e003d | 377 | out: |
05e8b080 | 378 | ui_browser__hide(&browser->b); |
b50e003d | 379 | return key; |
d1b4f249 ACM |
380 | } |
381 | ||
05e8b080 | 382 | static char *callchain_list__sym_name(struct callchain_list *cl, |
a7cb8863 | 383 | char *bf, size_t bfsize, bool show_dso) |
d1b4f249 | 384 | { |
a7cb8863 ACM |
385 | int printed; |
386 | ||
05e8b080 | 387 | if (cl->ms.sym) |
a7cb8863 ACM |
388 | printed = scnprintf(bf, bfsize, "%s", cl->ms.sym->name); |
389 | else | |
390 | printed = scnprintf(bf, bfsize, "%#" PRIx64, cl->ip); | |
391 | ||
392 | if (show_dso) | |
393 | scnprintf(bf + printed, bfsize - printed, " %s", | |
394 | cl->ms.map ? cl->ms.map->dso->short_name : "unknown"); | |
d1b4f249 | 395 | |
d1b4f249 ACM |
396 | return bf; |
397 | } | |
398 | ||
399 | #define LEVEL_OFFSET_STEP 3 | |
400 | ||
05e8b080 | 401 | static int hist_browser__show_callchain_node_rb_tree(struct hist_browser *browser, |
d1b4f249 ACM |
402 | struct callchain_node *chain_node, |
403 | u64 total, int level, | |
404 | unsigned short row, | |
405 | off_t *row_offset, | |
406 | bool *is_current_entry) | |
407 | { | |
408 | struct rb_node *node; | |
409 | int first_row = row, width, offset = level * LEVEL_OFFSET_STEP; | |
410 | u64 new_total, remaining; | |
411 | ||
412 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
413 | new_total = chain_node->children_hit; | |
414 | else | |
415 | new_total = total; | |
416 | ||
417 | remaining = new_total; | |
418 | node = rb_first(&chain_node->rb_root); | |
419 | while (node) { | |
420 | struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); | |
421 | struct rb_node *next = rb_next(node); | |
f08c3154 | 422 | u64 cumul = callchain_cumul_hits(child); |
d1b4f249 ACM |
423 | struct callchain_list *chain; |
424 | char folded_sign = ' '; | |
425 | int first = true; | |
426 | int extra_offset = 0; | |
427 | ||
428 | remaining -= cumul; | |
429 | ||
430 | list_for_each_entry(chain, &child->val, list) { | |
a7cb8863 | 431 | char bf[1024], *alloc_str; |
d1b4f249 ACM |
432 | const char *str; |
433 | int color; | |
434 | bool was_first = first; | |
435 | ||
163caed9 | 436 | if (first) |
d1b4f249 | 437 | first = false; |
163caed9 | 438 | else |
d1b4f249 | 439 | extra_offset = LEVEL_OFFSET_STEP; |
d1b4f249 ACM |
440 | |
441 | folded_sign = callchain_list__folded(chain); | |
442 | if (*row_offset != 0) { | |
443 | --*row_offset; | |
444 | goto do_next; | |
445 | } | |
446 | ||
447 | alloc_str = NULL; | |
a7cb8863 ACM |
448 | str = callchain_list__sym_name(chain, bf, sizeof(bf), |
449 | browser->show_dso); | |
d1b4f249 ACM |
450 | if (was_first) { |
451 | double percent = cumul * 100.0 / new_total; | |
452 | ||
453 | if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) | |
454 | str = "Not enough memory!"; | |
455 | else | |
456 | str = alloc_str; | |
457 | } | |
458 | ||
459 | color = HE_COLORSET_NORMAL; | |
05e8b080 ACM |
460 | width = browser->b.width - (offset + extra_offset + 2); |
461 | if (ui_browser__is_current_entry(&browser->b, row)) { | |
462 | browser->selection = &chain->ms; | |
d1b4f249 ACM |
463 | color = HE_COLORSET_SELECTED; |
464 | *is_current_entry = true; | |
465 | } | |
466 | ||
05e8b080 ACM |
467 | ui_browser__set_color(&browser->b, color); |
468 | ui_browser__gotorc(&browser->b, row, 0); | |
d1b4f249 ACM |
469 | slsmg_write_nstring(" ", offset + extra_offset); |
470 | slsmg_printf("%c ", folded_sign); | |
471 | slsmg_write_nstring(str, width); | |
472 | free(alloc_str); | |
473 | ||
05e8b080 | 474 | if (++row == browser->b.height) |
d1b4f249 ACM |
475 | goto out; |
476 | do_next: | |
477 | if (folded_sign == '+') | |
478 | break; | |
479 | } | |
480 | ||
481 | if (folded_sign == '-') { | |
482 | const int new_level = level + (extra_offset ? 2 : 1); | |
05e8b080 | 483 | row += hist_browser__show_callchain_node_rb_tree(browser, child, new_total, |
d1b4f249 ACM |
484 | new_level, row, row_offset, |
485 | is_current_entry); | |
486 | } | |
05e8b080 | 487 | if (row == browser->b.height) |
d1b4f249 ACM |
488 | goto out; |
489 | node = next; | |
490 | } | |
491 | out: | |
492 | return row - first_row; | |
493 | } | |
494 | ||
05e8b080 | 495 | static int hist_browser__show_callchain_node(struct hist_browser *browser, |
d1b4f249 ACM |
496 | struct callchain_node *node, |
497 | int level, unsigned short row, | |
498 | off_t *row_offset, | |
499 | bool *is_current_entry) | |
500 | { | |
501 | struct callchain_list *chain; | |
502 | int first_row = row, | |
503 | offset = level * LEVEL_OFFSET_STEP, | |
05e8b080 | 504 | width = browser->b.width - offset; |
d1b4f249 ACM |
505 | char folded_sign = ' '; |
506 | ||
507 | list_for_each_entry(chain, &node->val, list) { | |
a7cb8863 | 508 | char bf[1024], *s; |
d1b4f249 | 509 | int color; |
163caed9 | 510 | |
d1b4f249 ACM |
511 | folded_sign = callchain_list__folded(chain); |
512 | ||
513 | if (*row_offset != 0) { | |
514 | --*row_offset; | |
515 | continue; | |
516 | } | |
517 | ||
518 | color = HE_COLORSET_NORMAL; | |
05e8b080 ACM |
519 | if (ui_browser__is_current_entry(&browser->b, row)) { |
520 | browser->selection = &chain->ms; | |
d1b4f249 ACM |
521 | color = HE_COLORSET_SELECTED; |
522 | *is_current_entry = true; | |
523 | } | |
524 | ||
a7cb8863 ACM |
525 | s = callchain_list__sym_name(chain, bf, sizeof(bf), |
526 | browser->show_dso); | |
05e8b080 ACM |
527 | ui_browser__gotorc(&browser->b, row, 0); |
528 | ui_browser__set_color(&browser->b, color); | |
d1b4f249 ACM |
529 | slsmg_write_nstring(" ", offset); |
530 | slsmg_printf("%c ", folded_sign); | |
531 | slsmg_write_nstring(s, width - 2); | |
532 | ||
05e8b080 | 533 | if (++row == browser->b.height) |
d1b4f249 ACM |
534 | goto out; |
535 | } | |
536 | ||
537 | if (folded_sign == '-') | |
05e8b080 ACM |
538 | row += hist_browser__show_callchain_node_rb_tree(browser, node, |
539 | browser->hists->stats.total_period, | |
d1b4f249 ACM |
540 | level + 1, row, |
541 | row_offset, | |
542 | is_current_entry); | |
543 | out: | |
544 | return row - first_row; | |
545 | } | |
546 | ||
05e8b080 | 547 | static int hist_browser__show_callchain(struct hist_browser *browser, |
d1b4f249 ACM |
548 | struct rb_root *chain, |
549 | int level, unsigned short row, | |
550 | off_t *row_offset, | |
551 | bool *is_current_entry) | |
552 | { | |
553 | struct rb_node *nd; | |
554 | int first_row = row; | |
555 | ||
556 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
557 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
558 | ||
05e8b080 | 559 | row += hist_browser__show_callchain_node(browser, node, level, |
d1b4f249 ACM |
560 | row, row_offset, |
561 | is_current_entry); | |
05e8b080 | 562 | if (row == browser->b.height) |
d1b4f249 ACM |
563 | break; |
564 | } | |
565 | ||
566 | return row - first_row; | |
567 | } | |
568 | ||
f5951d56 NK |
569 | #define HPP__COLOR_FN(_name, _field) \ |
570 | static int hist_browser__hpp_color_ ## _name(struct perf_hpp *hpp, \ | |
571 | struct hist_entry *he) \ | |
572 | { \ | |
b5ff71c3 | 573 | struct hists *hists = he->hists; \ |
b24c28f7 | 574 | double percent = 100.0 * he->stat._field / hists->stats.total_period; \ |
f5951d56 | 575 | *(double *)hpp->ptr = percent; \ |
721b3112 | 576 | return scnprintf(hpp->buf, hpp->size, "%6.2f%%", percent); \ |
f5951d56 NK |
577 | } |
578 | ||
579 | HPP__COLOR_FN(overhead, period) | |
580 | HPP__COLOR_FN(overhead_sys, period_sys) | |
581 | HPP__COLOR_FN(overhead_us, period_us) | |
582 | HPP__COLOR_FN(overhead_guest_sys, period_guest_sys) | |
583 | HPP__COLOR_FN(overhead_guest_us, period_guest_us) | |
584 | ||
585 | #undef HPP__COLOR_FN | |
586 | ||
587 | void hist_browser__init_hpp(void) | |
588 | { | |
1d77822e | 589 | perf_hpp__init(); |
f5951d56 NK |
590 | |
591 | perf_hpp__format[PERF_HPP__OVERHEAD].color = | |
592 | hist_browser__hpp_color_overhead; | |
593 | perf_hpp__format[PERF_HPP__OVERHEAD_SYS].color = | |
594 | hist_browser__hpp_color_overhead_sys; | |
595 | perf_hpp__format[PERF_HPP__OVERHEAD_US].color = | |
596 | hist_browser__hpp_color_overhead_us; | |
597 | perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_SYS].color = | |
598 | hist_browser__hpp_color_overhead_guest_sys; | |
599 | perf_hpp__format[PERF_HPP__OVERHEAD_GUEST_US].color = | |
600 | hist_browser__hpp_color_overhead_guest_us; | |
601 | } | |
602 | ||
05e8b080 | 603 | static int hist_browser__show_entry(struct hist_browser *browser, |
d1b4f249 ACM |
604 | struct hist_entry *entry, |
605 | unsigned short row) | |
606 | { | |
607 | char s[256]; | |
608 | double percent; | |
f5951d56 | 609 | int i, printed = 0; |
67d25916 | 610 | int width = browser->b.width; |
d1b4f249 | 611 | char folded_sign = ' '; |
05e8b080 | 612 | bool current_entry = ui_browser__is_current_entry(&browser->b, row); |
d1b4f249 | 613 | off_t row_offset = entry->row_offset; |
63a1a3d8 | 614 | bool first = true; |
d1b4f249 ACM |
615 | |
616 | if (current_entry) { | |
05e8b080 ACM |
617 | browser->he_selection = entry; |
618 | browser->selection = &entry->ms; | |
d1b4f249 ACM |
619 | } |
620 | ||
621 | if (symbol_conf.use_callchain) { | |
163caed9 | 622 | hist_entry__init_have_children(entry); |
d1b4f249 ACM |
623 | folded_sign = hist_entry__folded(entry); |
624 | } | |
625 | ||
626 | if (row_offset == 0) { | |
f5951d56 NK |
627 | struct perf_hpp hpp = { |
628 | .buf = s, | |
629 | .size = sizeof(s), | |
f5951d56 | 630 | }; |
d1b4f249 | 631 | |
67d25916 | 632 | ui_browser__gotorc(&browser->b, row, 0); |
c172f742 | 633 | |
f5951d56 NK |
634 | for (i = 0; i < PERF_HPP__MAX_INDEX; i++) { |
635 | if (!perf_hpp__format[i].cond) | |
636 | continue; | |
f1cf602c | 637 | |
63a1a3d8 | 638 | if (!first) { |
f5951d56 NK |
639 | slsmg_printf(" "); |
640 | width -= 2; | |
641 | } | |
63a1a3d8 | 642 | first = false; |
c172f742 | 643 | |
f5951d56 NK |
644 | if (perf_hpp__format[i].color) { |
645 | hpp.ptr = &percent; | |
646 | /* It will set percent for us. See HPP__COLOR_FN above. */ | |
647 | width -= perf_hpp__format[i].color(&hpp, entry); | |
33f62b3f | 648 | |
f5951d56 NK |
649 | ui_browser__set_percent_color(&browser->b, percent, current_entry); |
650 | ||
88a21d2f | 651 | if (i == PERF_HPP__OVERHEAD && symbol_conf.use_callchain) { |
f5951d56 NK |
652 | slsmg_printf("%c ", folded_sign); |
653 | width -= 2; | |
654 | } | |
655 | ||
656 | slsmg_printf("%s", s); | |
2cf9cebf | 657 | |
f5951d56 NK |
658 | if (!current_entry || !browser->b.navkeypressed) |
659 | ui_browser__set_color(&browser->b, HE_COLORSET_NORMAL); | |
660 | } else { | |
661 | width -= perf_hpp__format[i].entry(&hpp, entry); | |
662 | slsmg_printf("%s", s); | |
663 | } | |
2cf9cebf ACM |
664 | } |
665 | ||
f5951d56 NK |
666 | /* The scroll bar isn't being used */ |
667 | if (!browser->b.navkeypressed) | |
668 | width += 1; | |
669 | ||
670 | hist_entry__sort_snprintf(entry, s, sizeof(s), browser->hists); | |
d1b4f249 ACM |
671 | slsmg_write_nstring(s, width); |
672 | ++row; | |
673 | ++printed; | |
674 | } else | |
675 | --row_offset; | |
676 | ||
05e8b080 ACM |
677 | if (folded_sign == '-' && row != browser->b.height) { |
678 | printed += hist_browser__show_callchain(browser, &entry->sorted_chain, | |
d1b4f249 ACM |
679 | 1, row, &row_offset, |
680 | ¤t_entry); | |
681 | if (current_entry) | |
05e8b080 | 682 | browser->he_selection = entry; |
d1b4f249 ACM |
683 | } |
684 | ||
685 | return printed; | |
686 | } | |
687 | ||
437cfe7a ACM |
688 | static void ui_browser__hists_init_top(struct ui_browser *browser) |
689 | { | |
690 | if (browser->top == NULL) { | |
691 | struct hist_browser *hb; | |
692 | ||
693 | hb = container_of(browser, struct hist_browser, b); | |
694 | browser->top = rb_first(&hb->hists->entries); | |
695 | } | |
696 | } | |
697 | ||
05e8b080 | 698 | static unsigned int hist_browser__refresh(struct ui_browser *browser) |
d1b4f249 ACM |
699 | { |
700 | unsigned row = 0; | |
701 | struct rb_node *nd; | |
05e8b080 | 702 | struct hist_browser *hb = container_of(browser, struct hist_browser, b); |
d1b4f249 | 703 | |
05e8b080 | 704 | ui_browser__hists_init_top(browser); |
d1b4f249 | 705 | |
05e8b080 | 706 | for (nd = browser->top; nd; nd = rb_next(nd)) { |
d1b4f249 ACM |
707 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); |
708 | ||
709 | if (h->filtered) | |
710 | continue; | |
711 | ||
712 | row += hist_browser__show_entry(hb, h, row); | |
05e8b080 | 713 | if (row == browser->height) |
d1b4f249 ACM |
714 | break; |
715 | } | |
716 | ||
717 | return row; | |
718 | } | |
719 | ||
720 | static struct rb_node *hists__filter_entries(struct rb_node *nd) | |
721 | { | |
722 | while (nd != NULL) { | |
723 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
724 | if (!h->filtered) | |
725 | return nd; | |
726 | ||
727 | nd = rb_next(nd); | |
728 | } | |
729 | ||
730 | return NULL; | |
731 | } | |
732 | ||
733 | static struct rb_node *hists__filter_prev_entries(struct rb_node *nd) | |
734 | { | |
735 | while (nd != NULL) { | |
736 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
737 | if (!h->filtered) | |
738 | return nd; | |
739 | ||
740 | nd = rb_prev(nd); | |
741 | } | |
742 | ||
743 | return NULL; | |
744 | } | |
745 | ||
05e8b080 | 746 | static void ui_browser__hists_seek(struct ui_browser *browser, |
d1b4f249 ACM |
747 | off_t offset, int whence) |
748 | { | |
749 | struct hist_entry *h; | |
750 | struct rb_node *nd; | |
751 | bool first = true; | |
752 | ||
05e8b080 | 753 | if (browser->nr_entries == 0) |
60098917 ACM |
754 | return; |
755 | ||
05e8b080 | 756 | ui_browser__hists_init_top(browser); |
437cfe7a | 757 | |
d1b4f249 ACM |
758 | switch (whence) { |
759 | case SEEK_SET: | |
05e8b080 | 760 | nd = hists__filter_entries(rb_first(browser->entries)); |
d1b4f249 ACM |
761 | break; |
762 | case SEEK_CUR: | |
05e8b080 | 763 | nd = browser->top; |
d1b4f249 ACM |
764 | goto do_offset; |
765 | case SEEK_END: | |
05e8b080 | 766 | nd = hists__filter_prev_entries(rb_last(browser->entries)); |
d1b4f249 ACM |
767 | first = false; |
768 | break; | |
769 | default: | |
770 | return; | |
771 | } | |
772 | ||
773 | /* | |
774 | * Moves not relative to the first visible entry invalidates its | |
775 | * row_offset: | |
776 | */ | |
05e8b080 | 777 | h = rb_entry(browser->top, struct hist_entry, rb_node); |
d1b4f249 ACM |
778 | h->row_offset = 0; |
779 | ||
780 | /* | |
781 | * Here we have to check if nd is expanded (+), if it is we can't go | |
782 | * the next top level hist_entry, instead we must compute an offset of | |
783 | * what _not_ to show and not change the first visible entry. | |
784 | * | |
785 | * This offset increments when we are going from top to bottom and | |
786 | * decreases when we're going from bottom to top. | |
787 | * | |
788 | * As we don't have backpointers to the top level in the callchains | |
789 | * structure, we need to always print the whole hist_entry callchain, | |
790 | * skipping the first ones that are before the first visible entry | |
791 | * and stop when we printed enough lines to fill the screen. | |
792 | */ | |
793 | do_offset: | |
794 | if (offset > 0) { | |
795 | do { | |
796 | h = rb_entry(nd, struct hist_entry, rb_node); | |
797 | if (h->ms.unfolded) { | |
798 | u16 remaining = h->nr_rows - h->row_offset; | |
799 | if (offset > remaining) { | |
800 | offset -= remaining; | |
801 | h->row_offset = 0; | |
802 | } else { | |
803 | h->row_offset += offset; | |
804 | offset = 0; | |
05e8b080 | 805 | browser->top = nd; |
d1b4f249 ACM |
806 | break; |
807 | } | |
808 | } | |
809 | nd = hists__filter_entries(rb_next(nd)); | |
810 | if (nd == NULL) | |
811 | break; | |
812 | --offset; | |
05e8b080 | 813 | browser->top = nd; |
d1b4f249 ACM |
814 | } while (offset != 0); |
815 | } else if (offset < 0) { | |
816 | while (1) { | |
817 | h = rb_entry(nd, struct hist_entry, rb_node); | |
818 | if (h->ms.unfolded) { | |
819 | if (first) { | |
820 | if (-offset > h->row_offset) { | |
821 | offset += h->row_offset; | |
822 | h->row_offset = 0; | |
823 | } else { | |
824 | h->row_offset += offset; | |
825 | offset = 0; | |
05e8b080 | 826 | browser->top = nd; |
d1b4f249 ACM |
827 | break; |
828 | } | |
829 | } else { | |
830 | if (-offset > h->nr_rows) { | |
831 | offset += h->nr_rows; | |
832 | h->row_offset = 0; | |
833 | } else { | |
834 | h->row_offset = h->nr_rows + offset; | |
835 | offset = 0; | |
05e8b080 | 836 | browser->top = nd; |
d1b4f249 ACM |
837 | break; |
838 | } | |
839 | } | |
840 | } | |
841 | ||
842 | nd = hists__filter_prev_entries(rb_prev(nd)); | |
843 | if (nd == NULL) | |
844 | break; | |
845 | ++offset; | |
05e8b080 | 846 | browser->top = nd; |
d1b4f249 ACM |
847 | if (offset == 0) { |
848 | /* | |
849 | * Last unfiltered hist_entry, check if it is | |
850 | * unfolded, if it is then we should have | |
851 | * row_offset at its last entry. | |
852 | */ | |
853 | h = rb_entry(nd, struct hist_entry, rb_node); | |
854 | if (h->ms.unfolded) | |
855 | h->row_offset = h->nr_rows; | |
856 | break; | |
857 | } | |
858 | first = false; | |
859 | } | |
860 | } else { | |
05e8b080 | 861 | browser->top = nd; |
d1b4f249 ACM |
862 | h = rb_entry(nd, struct hist_entry, rb_node); |
863 | h->row_offset = 0; | |
864 | } | |
865 | } | |
866 | ||
aff3f3f6 ACM |
867 | static int hist_browser__fprintf_callchain_node_rb_tree(struct hist_browser *browser, |
868 | struct callchain_node *chain_node, | |
869 | u64 total, int level, | |
870 | FILE *fp) | |
871 | { | |
872 | struct rb_node *node; | |
873 | int offset = level * LEVEL_OFFSET_STEP; | |
874 | u64 new_total, remaining; | |
875 | int printed = 0; | |
876 | ||
877 | if (callchain_param.mode == CHAIN_GRAPH_REL) | |
878 | new_total = chain_node->children_hit; | |
879 | else | |
880 | new_total = total; | |
881 | ||
882 | remaining = new_total; | |
883 | node = rb_first(&chain_node->rb_root); | |
884 | while (node) { | |
885 | struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node); | |
886 | struct rb_node *next = rb_next(node); | |
887 | u64 cumul = callchain_cumul_hits(child); | |
888 | struct callchain_list *chain; | |
889 | char folded_sign = ' '; | |
890 | int first = true; | |
891 | int extra_offset = 0; | |
892 | ||
893 | remaining -= cumul; | |
894 | ||
895 | list_for_each_entry(chain, &child->val, list) { | |
a7cb8863 | 896 | char bf[1024], *alloc_str; |
aff3f3f6 ACM |
897 | const char *str; |
898 | bool was_first = first; | |
899 | ||
900 | if (first) | |
901 | first = false; | |
902 | else | |
903 | extra_offset = LEVEL_OFFSET_STEP; | |
904 | ||
905 | folded_sign = callchain_list__folded(chain); | |
906 | ||
907 | alloc_str = NULL; | |
a7cb8863 ACM |
908 | str = callchain_list__sym_name(chain, bf, sizeof(bf), |
909 | browser->show_dso); | |
aff3f3f6 ACM |
910 | if (was_first) { |
911 | double percent = cumul * 100.0 / new_total; | |
912 | ||
913 | if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0) | |
914 | str = "Not enough memory!"; | |
915 | else | |
916 | str = alloc_str; | |
917 | } | |
918 | ||
919 | printed += fprintf(fp, "%*s%c %s\n", offset + extra_offset, " ", folded_sign, str); | |
920 | free(alloc_str); | |
921 | if (folded_sign == '+') | |
922 | break; | |
923 | } | |
924 | ||
925 | if (folded_sign == '-') { | |
926 | const int new_level = level + (extra_offset ? 2 : 1); | |
927 | printed += hist_browser__fprintf_callchain_node_rb_tree(browser, child, new_total, | |
928 | new_level, fp); | |
929 | } | |
930 | ||
931 | node = next; | |
932 | } | |
933 | ||
934 | return printed; | |
935 | } | |
936 | ||
937 | static int hist_browser__fprintf_callchain_node(struct hist_browser *browser, | |
938 | struct callchain_node *node, | |
939 | int level, FILE *fp) | |
940 | { | |
941 | struct callchain_list *chain; | |
942 | int offset = level * LEVEL_OFFSET_STEP; | |
943 | char folded_sign = ' '; | |
944 | int printed = 0; | |
945 | ||
946 | list_for_each_entry(chain, &node->val, list) { | |
a7cb8863 | 947 | char bf[1024], *s; |
aff3f3f6 ACM |
948 | |
949 | folded_sign = callchain_list__folded(chain); | |
a7cb8863 | 950 | s = callchain_list__sym_name(chain, bf, sizeof(bf), browser->show_dso); |
aff3f3f6 ACM |
951 | printed += fprintf(fp, "%*s%c %s\n", offset, " ", folded_sign, s); |
952 | } | |
953 | ||
954 | if (folded_sign == '-') | |
955 | printed += hist_browser__fprintf_callchain_node_rb_tree(browser, node, | |
956 | browser->hists->stats.total_period, | |
957 | level + 1, fp); | |
958 | return printed; | |
959 | } | |
960 | ||
961 | static int hist_browser__fprintf_callchain(struct hist_browser *browser, | |
962 | struct rb_root *chain, int level, FILE *fp) | |
963 | { | |
964 | struct rb_node *nd; | |
965 | int printed = 0; | |
966 | ||
967 | for (nd = rb_first(chain); nd; nd = rb_next(nd)) { | |
968 | struct callchain_node *node = rb_entry(nd, struct callchain_node, rb_node); | |
969 | ||
970 | printed += hist_browser__fprintf_callchain_node(browser, node, level, fp); | |
971 | } | |
972 | ||
973 | return printed; | |
974 | } | |
975 | ||
976 | static int hist_browser__fprintf_entry(struct hist_browser *browser, | |
977 | struct hist_entry *he, FILE *fp) | |
978 | { | |
979 | char s[8192]; | |
980 | double percent; | |
981 | int printed = 0; | |
982 | char folded_sign = ' '; | |
983 | ||
984 | if (symbol_conf.use_callchain) | |
985 | folded_sign = hist_entry__folded(he); | |
986 | ||
000078bc | 987 | hist_entry__sort_snprintf(he, s, sizeof(s), browser->hists); |
b24c28f7 | 988 | percent = (he->stat.period * 100.0) / browser->hists->stats.total_period; |
aff3f3f6 ACM |
989 | |
990 | if (symbol_conf.use_callchain) | |
991 | printed += fprintf(fp, "%c ", folded_sign); | |
992 | ||
993 | printed += fprintf(fp, " %5.2f%%", percent); | |
994 | ||
995 | if (symbol_conf.show_nr_samples) | |
b24c28f7 | 996 | printed += fprintf(fp, " %11u", he->stat.nr_events); |
aff3f3f6 ACM |
997 | |
998 | if (symbol_conf.show_total_period) | |
b24c28f7 | 999 | printed += fprintf(fp, " %12" PRIu64, he->stat.period); |
aff3f3f6 ACM |
1000 | |
1001 | printed += fprintf(fp, "%s\n", rtrim(s)); | |
1002 | ||
1003 | if (folded_sign == '-') | |
1004 | printed += hist_browser__fprintf_callchain(browser, &he->sorted_chain, 1, fp); | |
1005 | ||
1006 | return printed; | |
1007 | } | |
1008 | ||
1009 | static int hist_browser__fprintf(struct hist_browser *browser, FILE *fp) | |
1010 | { | |
1011 | struct rb_node *nd = hists__filter_entries(rb_first(browser->b.entries)); | |
1012 | int printed = 0; | |
1013 | ||
1014 | while (nd) { | |
1015 | struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); | |
1016 | ||
1017 | printed += hist_browser__fprintf_entry(browser, h, fp); | |
1018 | nd = hists__filter_entries(rb_next(nd)); | |
1019 | } | |
1020 | ||
1021 | return printed; | |
1022 | } | |
1023 | ||
1024 | static int hist_browser__dump(struct hist_browser *browser) | |
1025 | { | |
1026 | char filename[64]; | |
1027 | FILE *fp; | |
1028 | ||
1029 | while (1) { | |
1030 | scnprintf(filename, sizeof(filename), "perf.hist.%d", browser->print_seq); | |
1031 | if (access(filename, F_OK)) | |
1032 | break; | |
1033 | /* | |
1034 | * XXX: Just an arbitrary lazy upper limit | |
1035 | */ | |
1036 | if (++browser->print_seq == 8192) { | |
1037 | ui_helpline__fpush("Too many perf.hist.N files, nothing written!"); | |
1038 | return -1; | |
1039 | } | |
1040 | } | |
1041 | ||
1042 | fp = fopen(filename, "w"); | |
1043 | if (fp == NULL) { | |
1044 | char bf[64]; | |
4cc49d4d KS |
1045 | const char *err = strerror_r(errno, bf, sizeof(bf)); |
1046 | ui_helpline__fpush("Couldn't write to %s: %s", filename, err); | |
aff3f3f6 ACM |
1047 | return -1; |
1048 | } | |
1049 | ||
1050 | ++browser->print_seq; | |
1051 | hist_browser__fprintf(browser, fp); | |
1052 | fclose(fp); | |
1053 | ui_helpline__fpush("%s written!", filename); | |
1054 | ||
1055 | return 0; | |
1056 | } | |
1057 | ||
d1b4f249 ACM |
1058 | static struct hist_browser *hist_browser__new(struct hists *hists) |
1059 | { | |
05e8b080 | 1060 | struct hist_browser *browser = zalloc(sizeof(*browser)); |
d1b4f249 | 1061 | |
05e8b080 ACM |
1062 | if (browser) { |
1063 | browser->hists = hists; | |
1064 | browser->b.refresh = hist_browser__refresh; | |
1065 | browser->b.seek = ui_browser__hists_seek; | |
1066 | browser->b.use_navkeypressed = true; | |
a68c2c58 | 1067 | if (sort__branch_mode == 1) |
05e8b080 | 1068 | browser->has_symbols = sort_sym_from.list.next != NULL; |
a68c2c58 | 1069 | else |
05e8b080 | 1070 | browser->has_symbols = sort_sym.list.next != NULL; |
d1b4f249 ACM |
1071 | } |
1072 | ||
05e8b080 | 1073 | return browser; |
d1b4f249 ACM |
1074 | } |
1075 | ||
05e8b080 | 1076 | static void hist_browser__delete(struct hist_browser *browser) |
d1b4f249 | 1077 | { |
05e8b080 | 1078 | free(browser); |
d1b4f249 ACM |
1079 | } |
1080 | ||
05e8b080 | 1081 | static struct hist_entry *hist_browser__selected_entry(struct hist_browser *browser) |
d1b4f249 | 1082 | { |
05e8b080 | 1083 | return browser->he_selection; |
d1b4f249 ACM |
1084 | } |
1085 | ||
05e8b080 | 1086 | static struct thread *hist_browser__selected_thread(struct hist_browser *browser) |
d1b4f249 | 1087 | { |
05e8b080 | 1088 | return browser->he_selection->thread; |
d1b4f249 ACM |
1089 | } |
1090 | ||
05e8b080 | 1091 | static int hists__browser_title(struct hists *hists, char *bf, size_t size, |
d7b76f09 | 1092 | const char *ev_name) |
d1b4f249 | 1093 | { |
469917ce ACM |
1094 | char unit; |
1095 | int printed; | |
05e8b080 ACM |
1096 | const struct dso *dso = hists->dso_filter; |
1097 | const struct thread *thread = hists->thread_filter; | |
1098 | unsigned long nr_samples = hists->stats.nr_events[PERF_RECORD_SAMPLE]; | |
1099 | u64 nr_events = hists->stats.total_period; | |
cc686280 AR |
1100 | |
1101 | nr_samples = convert_unit(nr_samples, &unit); | |
1102 | printed = scnprintf(bf, size, | |
1103 | "Samples: %lu%c of event '%s', Event count (approx.): %lu", | |
1104 | nr_samples, unit, ev_name, nr_events); | |
469917ce | 1105 | |
d1b4f249 | 1106 | |
05e8b080 | 1107 | if (hists->uid_filter_str) |
0d37aa34 | 1108 | printed += snprintf(bf + printed, size - printed, |
05e8b080 | 1109 | ", UID: %s", hists->uid_filter_str); |
d1b4f249 | 1110 | if (thread) |
e7f01d1e | 1111 | printed += scnprintf(bf + printed, size - printed, |
469917ce ACM |
1112 | ", Thread: %s(%d)", |
1113 | (thread->comm_set ? thread->comm : ""), | |
d1b4f249 ACM |
1114 | thread->pid); |
1115 | if (dso) | |
e7f01d1e | 1116 | printed += scnprintf(bf + printed, size - printed, |
469917ce ACM |
1117 | ", DSO: %s", dso->short_name); |
1118 | return printed; | |
d1b4f249 ACM |
1119 | } |
1120 | ||
24bff2dc SE |
1121 | static inline void free_popup_options(char **options, int n) |
1122 | { | |
1123 | int i; | |
1124 | ||
1125 | for (i = 0; i < n; ++i) { | |
1126 | free(options[i]); | |
1127 | options[i] = NULL; | |
1128 | } | |
1129 | } | |
1130 | ||
c77d8d70 FT |
1131 | /* Check whether the browser is for 'top' or 'report' */ |
1132 | static inline bool is_report_browser(void *timer) | |
1133 | { | |
1134 | return timer == NULL; | |
1135 | } | |
1136 | ||
34958544 | 1137 | static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, |
7f0030b2 | 1138 | const char *helpline, const char *ev_name, |
81cce8de | 1139 | bool left_exits, |
9783adf7 | 1140 | struct hist_browser_timer *hbt) |
d1b4f249 | 1141 | { |
05e8b080 ACM |
1142 | struct hists *hists = &evsel->hists; |
1143 | struct hist_browser *browser = hist_browser__new(hists); | |
a68c2c58 | 1144 | struct branch_info *bi; |
d1b4f249 | 1145 | struct pstack *fstack; |
24bff2dc SE |
1146 | char *options[16]; |
1147 | int nr_options = 0; | |
d1b4f249 | 1148 | int key = -1; |
938a23ae | 1149 | char buf[64]; |
cdbab7c2 | 1150 | char script_opt[64]; |
9783adf7 | 1151 | int delay_secs = hbt ? hbt->refresh : 0; |
d1b4f249 ACM |
1152 | |
1153 | if (browser == NULL) | |
1154 | return -1; | |
1155 | ||
1156 | fstack = pstack__new(2); | |
1157 | if (fstack == NULL) | |
1158 | goto out; | |
1159 | ||
1160 | ui_helpline__push(helpline); | |
1161 | ||
24bff2dc SE |
1162 | memset(options, 0, sizeof(options)); |
1163 | ||
d1b4f249 | 1164 | while (1) { |
60098917 ACM |
1165 | const struct thread *thread = NULL; |
1166 | const struct dso *dso = NULL; | |
24bff2dc | 1167 | int choice = 0, |
d1b4f249 | 1168 | annotate = -2, zoom_dso = -2, zoom_thread = -2, |
a68c2c58 | 1169 | annotate_f = -2, annotate_t = -2, browse_map = -2; |
cdbab7c2 | 1170 | int scripts_comm = -2, scripts_symbol = -2, scripts_all = -2; |
d1b4f249 | 1171 | |
24bff2dc SE |
1172 | nr_options = 0; |
1173 | ||
9783adf7 | 1174 | key = hist_browser__run(browser, ev_name, hbt); |
d1b4f249 | 1175 | |
60098917 ACM |
1176 | if (browser->he_selection != NULL) { |
1177 | thread = hist_browser__selected_thread(browser); | |
1178 | dso = browser->selection->map ? browser->selection->map->dso : NULL; | |
1179 | } | |
b50e003d | 1180 | switch (key) { |
cf958003 ACM |
1181 | case K_TAB: |
1182 | case K_UNTAB: | |
e4419b8e DA |
1183 | if (nr_events == 1) |
1184 | continue; | |
b50e003d ACM |
1185 | /* |
1186 | * Exit the browser, let hists__browser_tree | |
1187 | * go to the next or previous | |
1188 | */ | |
1189 | goto out_free_stack; | |
1190 | case 'a': | |
a6e51f9f | 1191 | if (!browser->has_symbols) { |
7b27509f | 1192 | ui_browser__warning(&browser->b, delay_secs * 2, |
a6e51f9f | 1193 | "Annotation is only available for symbolic views, " |
a68c2c58 | 1194 | "include \"sym*\" in --sort to use it."); |
a6e51f9f ACM |
1195 | continue; |
1196 | } | |
1197 | ||
60098917 | 1198 | if (browser->selection == NULL || |
db9a9cbc | 1199 | browser->selection->sym == NULL || |
b50e003d | 1200 | browser->selection->map->dso->annotate_warned) |
d1b4f249 | 1201 | continue; |
b50e003d | 1202 | goto do_annotate; |
aff3f3f6 ACM |
1203 | case 'P': |
1204 | hist_browser__dump(browser); | |
1205 | continue; | |
b50e003d ACM |
1206 | case 'd': |
1207 | goto zoom_dso; | |
a7cb8863 ACM |
1208 | case 'V': |
1209 | browser->show_dso = !browser->show_dso; | |
1210 | continue; | |
b50e003d ACM |
1211 | case 't': |
1212 | goto zoom_thread; | |
5a5626b1 | 1213 | case '/': |
938a23ae NK |
1214 | if (ui_browser__input_window("Symbol to show", |
1215 | "Please enter the name of symbol you want to see", | |
1216 | buf, "ENTER: OK, ESC: Cancel", | |
1217 | delay_secs * 2) == K_ENTER) { | |
05e8b080 ACM |
1218 | hists->symbol_filter_str = *buf ? buf : NULL; |
1219 | hists__filter_by_symbol(hists); | |
938a23ae NK |
1220 | hist_browser__reset(browser); |
1221 | } | |
1222 | continue; | |
cdbab7c2 | 1223 | case 'r': |
9783adf7 | 1224 | if (is_report_browser(hbt)) |
c77d8d70 FT |
1225 | goto do_scripts; |
1226 | continue; | |
cf958003 | 1227 | case K_F1: |
b50e003d ACM |
1228 | case 'h': |
1229 | case '?': | |
4610e413 ACM |
1230 | ui_browser__help_window(&browser->b, |
1231 | "h/?/F1 Show this window\n" | |
2d5646c0 ACM |
1232 | "UP/DOWN/PGUP\n" |
1233 | "PGDN/SPACE Navigate\n" | |
1234 | "q/ESC/CTRL+C Exit browser\n\n" | |
1235 | "For multiple event sessions:\n\n" | |
1236 | "TAB/UNTAB Switch events\n\n" | |
724c9c9f | 1237 | "For symbolic views (--sort has sym):\n\n" |
2d5646c0 ACM |
1238 | "-> Zoom into DSO/Threads & Annotate current symbol\n" |
1239 | "<- Zoom out\n" | |
1240 | "a Annotate current symbol\n" | |
1241 | "C Collapse all callchains\n" | |
1242 | "E Expand all callchains\n" | |
1243 | "d Zoom into current DSO\n" | |
938a23ae | 1244 | "t Zoom into current Thread\n" |
c77d8d70 | 1245 | "r Run available scripts('perf report' only)\n" |
aff3f3f6 | 1246 | "P Print histograms to perf.hist.N\n" |
a7cb8863 | 1247 | "V Verbose (DSO names in callchains, etc)\n" |
5a5626b1 | 1248 | "/ Filter symbol by name"); |
b50e003d | 1249 | continue; |
cf958003 ACM |
1250 | case K_ENTER: |
1251 | case K_RIGHT: | |
b50e003d ACM |
1252 | /* menu */ |
1253 | break; | |
cf958003 | 1254 | case K_LEFT: { |
b50e003d | 1255 | const void *top; |
d1b4f249 | 1256 | |
7f0030b2 ACM |
1257 | if (pstack__empty(fstack)) { |
1258 | /* | |
1259 | * Go back to the perf_evsel_menu__run or other user | |
1260 | */ | |
1261 | if (left_exits) | |
1262 | goto out_free_stack; | |
d1b4f249 | 1263 | continue; |
7f0030b2 | 1264 | } |
b50e003d | 1265 | top = pstack__pop(fstack); |
d7b76f09 | 1266 | if (top == &browser->hists->dso_filter) |
b50e003d | 1267 | goto zoom_out_dso; |
d7b76f09 | 1268 | if (top == &browser->hists->thread_filter) |
b50e003d ACM |
1269 | goto zoom_out_thread; |
1270 | continue; | |
1271 | } | |
cf958003 | 1272 | case K_ESC: |
7f0030b2 | 1273 | if (!left_exits && |
4610e413 ACM |
1274 | !ui_browser__dialog_yesno(&browser->b, |
1275 | "Do you really want to exit?")) | |
b50e003d ACM |
1276 | continue; |
1277 | /* Fall thru */ | |
ed7e5662 ACM |
1278 | case 'q': |
1279 | case CTRL('c'): | |
b50e003d | 1280 | goto out_free_stack; |
ed7e5662 ACM |
1281 | default: |
1282 | continue; | |
d1b4f249 ACM |
1283 | } |
1284 | ||
724c9c9f ACM |
1285 | if (!browser->has_symbols) |
1286 | goto add_exit_option; | |
1287 | ||
a68c2c58 SE |
1288 | if (sort__branch_mode == 1) { |
1289 | bi = browser->he_selection->branch_info; | |
1290 | if (browser->selection != NULL && | |
1291 | bi && | |
1292 | bi->from.sym != NULL && | |
1293 | !bi->from.map->dso->annotate_warned && | |
1294 | asprintf(&options[nr_options], "Annotate %s", | |
1295 | bi->from.sym->name) > 0) | |
1296 | annotate_f = nr_options++; | |
1297 | ||
1298 | if (browser->selection != NULL && | |
1299 | bi && | |
1300 | bi->to.sym != NULL && | |
1301 | !bi->to.map->dso->annotate_warned && | |
8bcd65fd SE |
1302 | (bi->to.sym != bi->from.sym || |
1303 | bi->to.map->dso != bi->from.map->dso) && | |
a68c2c58 SE |
1304 | asprintf(&options[nr_options], "Annotate %s", |
1305 | bi->to.sym->name) > 0) | |
1306 | annotate_t = nr_options++; | |
1307 | } else { | |
1308 | ||
1309 | if (browser->selection != NULL && | |
1310 | browser->selection->sym != NULL && | |
1311 | !browser->selection->map->dso->annotate_warned && | |
1312 | asprintf(&options[nr_options], "Annotate %s", | |
1313 | browser->selection->sym->name) > 0) | |
1314 | annotate = nr_options++; | |
1315 | } | |
d1b4f249 ACM |
1316 | |
1317 | if (thread != NULL && | |
1318 | asprintf(&options[nr_options], "Zoom %s %s(%d) thread", | |
d7b76f09 | 1319 | (browser->hists->thread_filter ? "out of" : "into"), |
d1b4f249 ACM |
1320 | (thread->comm_set ? thread->comm : ""), |
1321 | thread->pid) > 0) | |
1322 | zoom_thread = nr_options++; | |
1323 | ||
1324 | if (dso != NULL && | |
1325 | asprintf(&options[nr_options], "Zoom %s %s DSO", | |
d7b76f09 | 1326 | (browser->hists->dso_filter ? "out of" : "into"), |
d1b4f249 ACM |
1327 | (dso->kernel ? "the Kernel" : dso->short_name)) > 0) |
1328 | zoom_dso = nr_options++; | |
1329 | ||
60098917 ACM |
1330 | if (browser->selection != NULL && |
1331 | browser->selection->map != NULL && | |
d1b4f249 ACM |
1332 | asprintf(&options[nr_options], "Browse map details") > 0) |
1333 | browse_map = nr_options++; | |
cdbab7c2 FT |
1334 | |
1335 | /* perf script support */ | |
1336 | if (browser->he_selection) { | |
1337 | struct symbol *sym; | |
1338 | ||
1339 | if (asprintf(&options[nr_options], "Run scripts for samples of thread [%s]", | |
1340 | browser->he_selection->thread->comm) > 0) | |
1341 | scripts_comm = nr_options++; | |
1342 | ||
1343 | sym = browser->he_selection->ms.sym; | |
1344 | if (sym && sym->namelen && | |
1345 | asprintf(&options[nr_options], "Run scripts for samples of symbol [%s]", | |
1346 | sym->name) > 0) | |
1347 | scripts_symbol = nr_options++; | |
1348 | } | |
1349 | ||
1350 | if (asprintf(&options[nr_options], "Run scripts for all samples") > 0) | |
1351 | scripts_all = nr_options++; | |
1352 | ||
724c9c9f | 1353 | add_exit_option: |
d1b4f249 | 1354 | options[nr_options++] = (char *)"Exit"; |
24bff2dc | 1355 | retry_popup_menu: |
1e6dd077 | 1356 | choice = ui__popup_menu(nr_options, options); |
d1b4f249 | 1357 | |
d1b4f249 ACM |
1358 | if (choice == nr_options - 1) |
1359 | break; | |
1360 | ||
24bff2dc SE |
1361 | if (choice == -1) { |
1362 | free_popup_options(options, nr_options - 1); | |
d1b4f249 | 1363 | continue; |
24bff2dc | 1364 | } |
d1b4f249 | 1365 | |
a68c2c58 | 1366 | if (choice == annotate || choice == annotate_t || choice == annotate_f) { |
d1b4f249 | 1367 | struct hist_entry *he; |
4610e413 | 1368 | int err; |
d1b4f249 | 1369 | do_annotate: |
d1b4f249 ACM |
1370 | he = hist_browser__selected_entry(browser); |
1371 | if (he == NULL) | |
1372 | continue; | |
a68c2c58 SE |
1373 | |
1374 | /* | |
1375 | * we stash the branch_info symbol + map into the | |
1376 | * the ms so we don't have to rewrite all the annotation | |
1377 | * code to use branch_info. | |
1378 | * in branch mode, the ms struct is not used | |
1379 | */ | |
1380 | if (choice == annotate_f) { | |
1381 | he->ms.sym = he->branch_info->from.sym; | |
1382 | he->ms.map = he->branch_info->from.map; | |
1383 | } else if (choice == annotate_t) { | |
1384 | he->ms.sym = he->branch_info->to.sym; | |
1385 | he->ms.map = he->branch_info->to.map; | |
1386 | } | |
1387 | ||
df71d95f ACM |
1388 | /* |
1389 | * Don't let this be freed, say, by hists__decay_entry. | |
1390 | */ | |
1391 | he->used = true; | |
9783adf7 | 1392 | err = hist_entry__tui_annotate(he, evsel->idx, hbt); |
df71d95f | 1393 | he->used = false; |
24bff2dc SE |
1394 | /* |
1395 | * offer option to annotate the other branch source or target | |
1396 | * (if they exists) when returning from annotate | |
1397 | */ | |
1398 | if ((err == 'q' || err == CTRL('c')) | |
1399 | && annotate_t != -2 && annotate_f != -2) | |
1400 | goto retry_popup_menu; | |
1401 | ||
900e14a8 | 1402 | ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); |
4610e413 ACM |
1403 | if (err) |
1404 | ui_browser__handle_resize(&browser->b); | |
24bff2dc | 1405 | |
d1b4f249 ACM |
1406 | } else if (choice == browse_map) |
1407 | map__browse(browser->selection->map); | |
1408 | else if (choice == zoom_dso) { | |
1409 | zoom_dso: | |
d7b76f09 ACM |
1410 | if (browser->hists->dso_filter) { |
1411 | pstack__remove(fstack, &browser->hists->dso_filter); | |
d1b4f249 ACM |
1412 | zoom_out_dso: |
1413 | ui_helpline__pop(); | |
d7b76f09 | 1414 | browser->hists->dso_filter = NULL; |
cc02c921 | 1415 | sort_dso.elide = false; |
d1b4f249 ACM |
1416 | } else { |
1417 | if (dso == NULL) | |
1418 | continue; | |
1419 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"", | |
1420 | dso->kernel ? "the Kernel" : dso->short_name); | |
d7b76f09 | 1421 | browser->hists->dso_filter = dso; |
cc02c921 | 1422 | sort_dso.elide = true; |
d7b76f09 | 1423 | pstack__push(fstack, &browser->hists->dso_filter); |
d1b4f249 | 1424 | } |
05e8b080 | 1425 | hists__filter_by_dso(hists); |
d1b4f249 ACM |
1426 | hist_browser__reset(browser); |
1427 | } else if (choice == zoom_thread) { | |
1428 | zoom_thread: | |
d7b76f09 ACM |
1429 | if (browser->hists->thread_filter) { |
1430 | pstack__remove(fstack, &browser->hists->thread_filter); | |
d1b4f249 ACM |
1431 | zoom_out_thread: |
1432 | ui_helpline__pop(); | |
d7b76f09 | 1433 | browser->hists->thread_filter = NULL; |
cc02c921 | 1434 | sort_thread.elide = false; |
d1b4f249 ACM |
1435 | } else { |
1436 | ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"", | |
1437 | thread->comm_set ? thread->comm : "", | |
1438 | thread->pid); | |
d7b76f09 | 1439 | browser->hists->thread_filter = thread; |
cc02c921 | 1440 | sort_thread.elide = true; |
d7b76f09 | 1441 | pstack__push(fstack, &browser->hists->thread_filter); |
d1b4f249 | 1442 | } |
05e8b080 | 1443 | hists__filter_by_thread(hists); |
d1b4f249 ACM |
1444 | hist_browser__reset(browser); |
1445 | } | |
cdbab7c2 FT |
1446 | /* perf scripts support */ |
1447 | else if (choice == scripts_all || choice == scripts_comm || | |
1448 | choice == scripts_symbol) { | |
1449 | do_scripts: | |
1450 | memset(script_opt, 0, 64); | |
1451 | ||
1452 | if (choice == scripts_comm) | |
1453 | sprintf(script_opt, " -c %s ", browser->he_selection->thread->comm); | |
1454 | ||
1455 | if (choice == scripts_symbol) | |
1456 | sprintf(script_opt, " -S %s ", browser->he_selection->ms.sym->name); | |
1457 | ||
1458 | script_browse(script_opt); | |
1459 | } | |
d1b4f249 ACM |
1460 | } |
1461 | out_free_stack: | |
1462 | pstack__delete(fstack); | |
1463 | out: | |
1464 | hist_browser__delete(browser); | |
24bff2dc | 1465 | free_popup_options(options, nr_options - 1); |
d1b4f249 ACM |
1466 | return key; |
1467 | } | |
1468 | ||
7f0030b2 ACM |
1469 | struct perf_evsel_menu { |
1470 | struct ui_browser b; | |
1471 | struct perf_evsel *selection; | |
7b27509f | 1472 | bool lost_events, lost_events_warned; |
7f0030b2 ACM |
1473 | }; |
1474 | ||
1475 | static void perf_evsel_menu__write(struct ui_browser *browser, | |
1476 | void *entry, int row) | |
1477 | { | |
1478 | struct perf_evsel_menu *menu = container_of(browser, | |
1479 | struct perf_evsel_menu, b); | |
1480 | struct perf_evsel *evsel = list_entry(entry, struct perf_evsel, node); | |
1481 | bool current_entry = ui_browser__is_current_entry(browser, row); | |
1482 | unsigned long nr_events = evsel->hists.stats.nr_events[PERF_RECORD_SAMPLE]; | |
7289f83c | 1483 | const char *ev_name = perf_evsel__name(evsel); |
7f0030b2 | 1484 | char bf[256], unit; |
7b27509f ACM |
1485 | const char *warn = " "; |
1486 | size_t printed; | |
7f0030b2 ACM |
1487 | |
1488 | ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : | |
1489 | HE_COLORSET_NORMAL); | |
1490 | ||
1491 | nr_events = convert_unit(nr_events, &unit); | |
e7f01d1e | 1492 | printed = scnprintf(bf, sizeof(bf), "%lu%c%s%s", nr_events, |
7b27509f ACM |
1493 | unit, unit == ' ' ? "" : " ", ev_name); |
1494 | slsmg_printf("%s", bf); | |
1495 | ||
1496 | nr_events = evsel->hists.stats.nr_events[PERF_RECORD_LOST]; | |
1497 | if (nr_events != 0) { | |
1498 | menu->lost_events = true; | |
1499 | if (!current_entry) | |
1500 | ui_browser__set_color(browser, HE_COLORSET_TOP); | |
1501 | nr_events = convert_unit(nr_events, &unit); | |
e7f01d1e ACM |
1502 | printed += scnprintf(bf, sizeof(bf), ": %ld%c%schunks LOST!", |
1503 | nr_events, unit, unit == ' ' ? "" : " "); | |
7b27509f ACM |
1504 | warn = bf; |
1505 | } | |
1506 | ||
1507 | slsmg_write_nstring(warn, browser->width - printed); | |
7f0030b2 ACM |
1508 | |
1509 | if (current_entry) | |
1510 | menu->selection = evsel; | |
1511 | } | |
1512 | ||
34958544 ACM |
1513 | static int perf_evsel_menu__run(struct perf_evsel_menu *menu, |
1514 | int nr_events, const char *help, | |
9783adf7 | 1515 | struct hist_browser_timer *hbt) |
d1b4f249 | 1516 | { |
7f0030b2 | 1517 | struct perf_evlist *evlist = menu->b.priv; |
e248de33 | 1518 | struct perf_evsel *pos; |
7f0030b2 | 1519 | const char *ev_name, *title = "Available samples"; |
9783adf7 | 1520 | int delay_secs = hbt ? hbt->refresh : 0; |
7f0030b2 | 1521 | int key; |
d1b4f249 | 1522 | |
7f0030b2 ACM |
1523 | if (ui_browser__show(&menu->b, title, |
1524 | "ESC: exit, ENTER|->: Browse histograms") < 0) | |
1525 | return -1; | |
1526 | ||
7f0030b2 | 1527 | while (1) { |
3af6e338 | 1528 | key = ui_browser__run(&menu->b, delay_secs); |
7f0030b2 ACM |
1529 | |
1530 | switch (key) { | |
cf958003 | 1531 | case K_TIMER: |
9783adf7 | 1532 | hbt->timer(hbt->arg); |
7b27509f ACM |
1533 | |
1534 | if (!menu->lost_events_warned && menu->lost_events) { | |
1535 | ui_browser__warn_lost_events(&menu->b); | |
1536 | menu->lost_events_warned = true; | |
1537 | } | |
81cce8de | 1538 | continue; |
cf958003 ACM |
1539 | case K_RIGHT: |
1540 | case K_ENTER: | |
7f0030b2 ACM |
1541 | if (!menu->selection) |
1542 | continue; | |
1543 | pos = menu->selection; | |
1544 | browse_hists: | |
18eaf0b8 ACM |
1545 | perf_evlist__set_selected(evlist, pos); |
1546 | /* | |
1547 | * Give the calling tool a chance to populate the non | |
1548 | * default evsel resorted hists tree. | |
1549 | */ | |
9783adf7 NK |
1550 | if (hbt) |
1551 | hbt->timer(hbt->arg); | |
7289f83c | 1552 | ev_name = perf_evsel__name(pos); |
34958544 | 1553 | key = perf_evsel__hists_browse(pos, nr_events, help, |
9783adf7 | 1554 | ev_name, true, hbt); |
7f0030b2 | 1555 | ui_browser__show_title(&menu->b, title); |
18eaf0b8 | 1556 | switch (key) { |
cf958003 | 1557 | case K_TAB: |
18eaf0b8 ACM |
1558 | if (pos->node.next == &evlist->entries) |
1559 | pos = list_entry(evlist->entries.next, struct perf_evsel, node); | |
1560 | else | |
1561 | pos = list_entry(pos->node.next, struct perf_evsel, node); | |
1562 | goto browse_hists; | |
cf958003 | 1563 | case K_UNTAB: |
18eaf0b8 ACM |
1564 | if (pos->node.prev == &evlist->entries) |
1565 | pos = list_entry(evlist->entries.prev, struct perf_evsel, node); | |
1566 | else | |
1567 | pos = list_entry(pos->node.prev, struct perf_evsel, node); | |
1568 | goto browse_hists; | |
cf958003 | 1569 | case K_ESC: |
4610e413 ACM |
1570 | if (!ui_browser__dialog_yesno(&menu->b, |
1571 | "Do you really want to exit?")) | |
18eaf0b8 ACM |
1572 | continue; |
1573 | /* Fall thru */ | |
1574 | case 'q': | |
1575 | case CTRL('c'): | |
1576 | goto out; | |
1577 | default: | |
1578 | continue; | |
1579 | } | |
cf958003 | 1580 | case K_LEFT: |
7f0030b2 | 1581 | continue; |
cf958003 | 1582 | case K_ESC: |
4610e413 ACM |
1583 | if (!ui_browser__dialog_yesno(&menu->b, |
1584 | "Do you really want to exit?")) | |
ed7e5662 ACM |
1585 | continue; |
1586 | /* Fall thru */ | |
7f0030b2 ACM |
1587 | case 'q': |
1588 | case CTRL('c'): | |
1589 | goto out; | |
d1b4f249 | 1590 | default: |
18eaf0b8 | 1591 | continue; |
d1b4f249 ACM |
1592 | } |
1593 | } | |
1594 | ||
7f0030b2 ACM |
1595 | out: |
1596 | ui_browser__hide(&menu->b); | |
1597 | return key; | |
1598 | } | |
1599 | ||
1600 | static int __perf_evlist__tui_browse_hists(struct perf_evlist *evlist, | |
81cce8de | 1601 | const char *help, |
9783adf7 | 1602 | struct hist_browser_timer *hbt) |
7f0030b2 ACM |
1603 | { |
1604 | struct perf_evsel *pos; | |
1605 | struct perf_evsel_menu menu = { | |
1606 | .b = { | |
1607 | .entries = &evlist->entries, | |
1608 | .refresh = ui_browser__list_head_refresh, | |
1609 | .seek = ui_browser__list_head_seek, | |
1610 | .write = perf_evsel_menu__write, | |
1611 | .nr_entries = evlist->nr_entries, | |
1612 | .priv = evlist, | |
1613 | }, | |
1614 | }; | |
1615 | ||
1616 | ui_helpline__push("Press ESC to exit"); | |
1617 | ||
1618 | list_for_each_entry(pos, &evlist->entries, node) { | |
7289f83c | 1619 | const char *ev_name = perf_evsel__name(pos); |
7f0030b2 ACM |
1620 | size_t line_len = strlen(ev_name) + 7; |
1621 | ||
1622 | if (menu.b.width < line_len) | |
1623 | menu.b.width = line_len; | |
7f0030b2 ACM |
1624 | } |
1625 | ||
9783adf7 | 1626 | return perf_evsel_menu__run(&menu, evlist->nr_entries, help, hbt); |
7f0030b2 ACM |
1627 | } |
1628 | ||
81cce8de | 1629 | int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, |
9783adf7 | 1630 | struct hist_browser_timer *hbt) |
7f0030b2 | 1631 | { |
7f0030b2 ACM |
1632 | if (evlist->nr_entries == 1) { |
1633 | struct perf_evsel *first = list_entry(evlist->entries.next, | |
1634 | struct perf_evsel, node); | |
7289f83c | 1635 | const char *ev_name = perf_evsel__name(first); |
34958544 | 1636 | return perf_evsel__hists_browse(first, evlist->nr_entries, help, |
9783adf7 | 1637 | ev_name, false, hbt); |
7f0030b2 ACM |
1638 | } |
1639 | ||
9783adf7 | 1640 | return __perf_evlist__tui_browse_hists(evlist, help, hbt); |
d1b4f249 | 1641 | } |