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perf record: prevent kill(0, SIGTERM);
[cris-mirror.git] / tools / perf / util / newt.c
blob7537ca15900b121852cc19545fe45a2b266403f7
1 #define _GNU_SOURCE
2 #include <stdio.h>
3 #undef _GNU_SOURCE
4 /*
5 * slang versions <= 2.0.6 have a "#if HAVE_LONG_LONG" that breaks
6 * the build if it isn't defined. Use the equivalent one that glibc
7 * has on features.h.
8 */
9 #include <features.h>
10 #ifndef HAVE_LONG_LONG
11 #define HAVE_LONG_LONG __GLIBC_HAVE_LONG_LONG
12 #endif
13 #include <slang.h>
14 #include <stdlib.h>
15 #include <newt.h>
16 #include <sys/ttydefaults.h>
17
18 #include "cache.h"
19 #include "hist.h"
20 #include "pstack.h"
21 #include "session.h"
22 #include "sort.h"
23 #include "symbol.h"
24
25 #if SLANG_VERSION < 20104
26 #define slsmg_printf(msg, args...) SLsmg_printf((char *)msg, ##args)
27 #define slsmg_write_nstring(msg, len) SLsmg_write_nstring((char *)msg, len)
28 #define sltt_set_color(obj, name, fg, bg) SLtt_set_color(obj,(char *)name,\
29 (char *)fg, (char *)bg)
30 #else
31 #define slsmg_printf SLsmg_printf
32 #define slsmg_write_nstring SLsmg_write_nstring
33 #define sltt_set_color SLtt_set_color
34 #endif
35
36 struct ui_progress {
37 newtComponent form, scale;
38 };
39
40 struct ui_progress *ui_progress__new(const char *title, u64 total)
41 {
42 struct ui_progress *self = malloc(sizeof(*self));
43
44 if (self != NULL) {
45 int cols;
46
47 if (use_browser <= 0)
48 return self;
49 newtGetScreenSize(&cols, NULL);
50 cols -= 4;
51 newtCenteredWindow(cols, 1, title);
52 self->form = newtForm(NULL, NULL, 0);
53 if (self->form == NULL)
54 goto out_free_self;
55 self->scale = newtScale(0, 0, cols, total);
56 if (self->scale == NULL)
57 goto out_free_form;
58 newtFormAddComponent(self->form, self->scale);
59 newtRefresh();
60 }
61
62 return self;
63
64 out_free_form:
65 newtFormDestroy(self->form);
66 out_free_self:
67 free(self);
68 return NULL;
69 }
70
71 void ui_progress__update(struct ui_progress *self, u64 curr)
72 {
73 /*
74 * FIXME: We should have a per UI backend way of showing progress,
75 * stdio will just show a percentage as NN%, etc.
76 */
77 if (use_browser <= 0)
78 return;
79 newtScaleSet(self->scale, curr);
80 newtRefresh();
81 }
82
83 void ui_progress__delete(struct ui_progress *self)
84 {
85 if (use_browser > 0) {
86 newtFormDestroy(self->form);
87 newtPopWindow();
88 }
89 free(self);
90 }
91
92 static void ui_helpline__pop(void)
93 {
94 newtPopHelpLine();
95 }
96
97 static void ui_helpline__push(const char *msg)
98 {
99 newtPushHelpLine(msg);
100 }
101
102 static void ui_helpline__vpush(const char *fmt, va_list ap)
103 {
104 char *s;
105
106 if (vasprintf(&s, fmt, ap) < 0)
107 vfprintf(stderr, fmt, ap);
108 else {
109 ui_helpline__push(s);
110 free(s);
111 }
112 }
113
114 static void ui_helpline__fpush(const char *fmt, ...)
115 {
116 va_list ap;
117
118 va_start(ap, fmt);
119 ui_helpline__vpush(fmt, ap);
120 va_end(ap);
121 }
122
123 static void ui_helpline__puts(const char *msg)
124 {
125 ui_helpline__pop();
126 ui_helpline__push(msg);
127 }
128
129 static char browser__last_msg[1024];
130
131 int browser__show_help(const char *format, va_list ap)
132 {
133 int ret;
134 static int backlog;
135
136 ret = vsnprintf(browser__last_msg + backlog,
137 sizeof(browser__last_msg) - backlog, format, ap);
138 backlog += ret;
139
140 if (browser__last_msg[backlog - 1] == '\n') {
141 ui_helpline__puts(browser__last_msg);
142 newtRefresh();
143 backlog = 0;
144 }
145
146 return ret;
147 }
148
149 static void newt_form__set_exit_keys(newtComponent self)
150 {
151 newtFormAddHotKey(self, NEWT_KEY_LEFT);
152 newtFormAddHotKey(self, NEWT_KEY_ESCAPE);
153 newtFormAddHotKey(self, 'Q');
154 newtFormAddHotKey(self, 'q');
155 newtFormAddHotKey(self, CTRL('c'));
156 }
157
158 static newtComponent newt_form__new(void)
159 {
160 newtComponent self = newtForm(NULL, NULL, 0);
161 if (self)
162 newt_form__set_exit_keys(self);
163 return self;
164 }
165
166 static int popup_menu(int argc, char * const argv[])
167 {
168 struct newtExitStruct es;
169 int i, rc = -1, max_len = 5;
170 newtComponent listbox, form = newt_form__new();
171
172 if (form == NULL)
173 return -1;
174
175 listbox = newtListbox(0, 0, argc, NEWT_FLAG_RETURNEXIT);
176 if (listbox == NULL)
177 goto out_destroy_form;
178
179 newtFormAddComponent(form, listbox);
180
181 for (i = 0; i < argc; ++i) {
182 int len = strlen(argv[i]);
183 if (len > max_len)
184 max_len = len;
185 if (newtListboxAddEntry(listbox, argv[i], (void *)(long)i))
186 goto out_destroy_form;
187 }
188
189 newtCenteredWindow(max_len, argc, NULL);
190 newtFormRun(form, &es);
191 rc = newtListboxGetCurrent(listbox) - NULL;
192 if (es.reason == NEWT_EXIT_HOTKEY)
193 rc = -1;
194 newtPopWindow();
195 out_destroy_form:
196 newtFormDestroy(form);
197 return rc;
198 }
199
200 static int ui__help_window(const char *text)
201 {
202 struct newtExitStruct es;
203 newtComponent tb, form = newt_form__new();
204 int rc = -1;
205 int max_len = 0, nr_lines = 0;
206 const char *t;
207
208 if (form == NULL)
209 return -1;
210
211 t = text;
212 while (1) {
213 const char *sep = strchr(t, '\n');
214 int len;
215
216 if (sep == NULL)
217 sep = strchr(t, '\0');
218 len = sep - t;
219 if (max_len < len)
220 max_len = len;
221 ++nr_lines;
222 if (*sep == '\0')
223 break;
224 t = sep + 1;
225 }
226
227 tb = newtTextbox(0, 0, max_len, nr_lines, 0);
228 if (tb == NULL)
229 goto out_destroy_form;
230
231 newtTextboxSetText(tb, text);
232 newtFormAddComponent(form, tb);
233 newtCenteredWindow(max_len, nr_lines, NULL);
234 newtFormRun(form, &es);
235 newtPopWindow();
236 rc = 0;
237 out_destroy_form:
238 newtFormDestroy(form);
239 return rc;
240 }
241
242 static bool dialog_yesno(const char *msg)
243 {
244 /* newtWinChoice should really be accepting const char pointers... */
245 char yes[] = "Yes", no[] = "No";
246 return newtWinChoice(NULL, yes, no, (char *)msg) == 1;
247 }
248
249 static void ui__error_window(const char *fmt, ...)
250 {
251 va_list ap;
252
253 va_start(ap, fmt);
254 newtWinMessagev((char *)"Error", (char *)"Ok", (char *)fmt, ap);
255 va_end(ap);
256 }
257
258 #define HE_COLORSET_TOP 50
259 #define HE_COLORSET_MEDIUM 51
260 #define HE_COLORSET_NORMAL 52
261 #define HE_COLORSET_SELECTED 53
262 #define HE_COLORSET_CODE 54
263
264 static int ui_browser__percent_color(double percent, bool current)
265 {
266 if (current)
267 return HE_COLORSET_SELECTED;
268 if (percent >= MIN_RED)
269 return HE_COLORSET_TOP;
270 if (percent >= MIN_GREEN)
271 return HE_COLORSET_MEDIUM;
272 return HE_COLORSET_NORMAL;
273 }
274
275 struct ui_browser {
276 newtComponent form, sb;
277 u64 index, first_visible_entry_idx;
278 void *first_visible_entry, *entries;
279 u16 top, left, width, height;
280 void *priv;
281 u32 nr_entries;
282 };
283
284 static void ui_browser__refresh_dimensions(struct ui_browser *self)
285 {
286 int cols, rows;
287 newtGetScreenSize(&cols, &rows);
288
289 if (self->width > cols - 4)
290 self->width = cols - 4;
291 self->height = rows - 5;
292 if (self->height > self->nr_entries)
293 self->height = self->nr_entries;
294 self->top = (rows - self->height) / 2;
295 self->left = (cols - self->width) / 2;
296 }
297
298 static void ui_browser__reset_index(struct ui_browser *self)
299 {
300 self->index = self->first_visible_entry_idx = 0;
301 self->first_visible_entry = NULL;
302 }
303
304 static int objdump_line__show(struct objdump_line *self, struct list_head *head,
305 int width, struct hist_entry *he, int len,
306 bool current_entry)
307 {
308 if (self->offset != -1) {
309 struct symbol *sym = he->ms.sym;
310 unsigned int hits = 0;
311 double percent = 0.0;
312 int color;
313 struct sym_priv *priv = symbol__priv(sym);
314 struct sym_ext *sym_ext = priv->ext;
315 struct sym_hist *h = priv->hist;
316 s64 offset = self->offset;
317 struct objdump_line *next = objdump__get_next_ip_line(head, self);
318
319 while (offset < (s64)len &&
320 (next == NULL || offset < next->offset)) {
321 if (sym_ext) {
322 percent += sym_ext[offset].percent;
323 } else
324 hits += h->ip[offset];
325
326 ++offset;
327 }
328
329 if (sym_ext == NULL && h->sum)
330 percent = 100.0 * hits / h->sum;
331
332 color = ui_browser__percent_color(percent, current_entry);
333 SLsmg_set_color(color);
334 slsmg_printf(" %7.2f ", percent);
335 if (!current_entry)
336 SLsmg_set_color(HE_COLORSET_CODE);
337 } else {
338 int color = ui_browser__percent_color(0, current_entry);
339 SLsmg_set_color(color);
340 slsmg_write_nstring(" ", 9);
341 }
342
343 SLsmg_write_char(':');
344 slsmg_write_nstring(" ", 8);
345 if (!*self->line)
346 slsmg_write_nstring(" ", width - 18);
347 else
348 slsmg_write_nstring(self->line, width - 18);
349
350 return 0;
351 }
352
353 static int ui_browser__refresh_entries(struct ui_browser *self)
354 {
355 struct objdump_line *pos;
356 struct list_head *head = self->entries;
357 struct hist_entry *he = self->priv;
358 int row = 0;
359 int len = he->ms.sym->end - he->ms.sym->start;
360
361 if (self->first_visible_entry == NULL || self->first_visible_entry == self->entries)
362 self->first_visible_entry = head->next;
363
364 pos = list_entry(self->first_visible_entry, struct objdump_line, node);
365
366 list_for_each_entry_from(pos, head, node) {
367 bool current_entry = (self->first_visible_entry_idx + row) == self->index;
368 SLsmg_gotorc(self->top + row, self->left);
369 objdump_line__show(pos, head, self->width,
370 he, len, current_entry);
371 if (++row == self->height)
372 break;
373 }
374
375 SLsmg_set_color(HE_COLORSET_NORMAL);
376 SLsmg_fill_region(self->top + row, self->left,
377 self->height - row, self->width, ' ');
378
379 return 0;
380 }
381
382 static int ui_browser__run(struct ui_browser *self, const char *title,
383 struct newtExitStruct *es)
384 {
385 if (self->form) {
386 newtFormDestroy(self->form);
387 newtPopWindow();
388 }
389
390 ui_browser__refresh_dimensions(self);
391 newtCenteredWindow(self->width + 2, self->height, title);
392 self->form = newt_form__new();
393 if (self->form == NULL)
394 return -1;
395
396 self->sb = newtVerticalScrollbar(self->width + 1, 0, self->height,
397 HE_COLORSET_NORMAL,
398 HE_COLORSET_SELECTED);
399 if (self->sb == NULL)
400 return -1;
401
402 newtFormAddHotKey(self->form, NEWT_KEY_UP);
403 newtFormAddHotKey(self->form, NEWT_KEY_DOWN);
404 newtFormAddHotKey(self->form, NEWT_KEY_PGUP);
405 newtFormAddHotKey(self->form, NEWT_KEY_PGDN);
406 newtFormAddHotKey(self->form, ' ');
407 newtFormAddHotKey(self->form, NEWT_KEY_HOME);
408 newtFormAddHotKey(self->form, NEWT_KEY_END);
409 newtFormAddHotKey(self->form, NEWT_KEY_TAB);
410 newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
411
412 if (ui_browser__refresh_entries(self) < 0)
413 return -1;
414 newtFormAddComponent(self->form, self->sb);
415
416 while (1) {
417 unsigned int offset;
418
419 newtFormRun(self->form, es);
420
421 if (es->reason != NEWT_EXIT_HOTKEY)
422 break;
423 if (is_exit_key(es->u.key))
424 return es->u.key;
425 switch (es->u.key) {
426 case NEWT_KEY_DOWN:
427 if (self->index == self->nr_entries - 1)
428 break;
429 ++self->index;
430 if (self->index == self->first_visible_entry_idx + self->height) {
431 struct list_head *pos = self->first_visible_entry;
432 ++self->first_visible_entry_idx;
433 self->first_visible_entry = pos->next;
434 }
435 break;
436 case NEWT_KEY_UP:
437 if (self->index == 0)
438 break;
439 --self->index;
440 if (self->index < self->first_visible_entry_idx) {
441 struct list_head *pos = self->first_visible_entry;
442 --self->first_visible_entry_idx;
443 self->first_visible_entry = pos->prev;
444 }
445 break;
446 case NEWT_KEY_PGDN:
447 case ' ':
448 if (self->first_visible_entry_idx + self->height > self->nr_entries - 1)
449 break;
450
451 offset = self->height;
452 if (self->index + offset > self->nr_entries - 1)
453 offset = self->nr_entries - 1 - self->index;
454 self->index += offset;
455 self->first_visible_entry_idx += offset;
456
457 while (offset--) {
458 struct list_head *pos = self->first_visible_entry;
459 self->first_visible_entry = pos->next;
460 }
461
462 break;
463 case NEWT_KEY_PGUP:
464 if (self->first_visible_entry_idx == 0)
465 break;
466
467 if (self->first_visible_entry_idx < self->height)
468 offset = self->first_visible_entry_idx;
469 else
470 offset = self->height;
471
472 self->index -= offset;
473 self->first_visible_entry_idx -= offset;
474
475 while (offset--) {
476 struct list_head *pos = self->first_visible_entry;
477 self->first_visible_entry = pos->prev;
478 }
479 break;
480 case NEWT_KEY_HOME:
481 ui_browser__reset_index(self);
482 break;
483 case NEWT_KEY_END: {
484 struct list_head *head = self->entries;
485 offset = self->height - 1;
486
487 if (offset > self->nr_entries)
488 offset = self->nr_entries;
489
490 self->index = self->first_visible_entry_idx = self->nr_entries - 1 - offset;
491 self->first_visible_entry = head->prev;
492 while (offset-- != 0) {
493 struct list_head *pos = self->first_visible_entry;
494 self->first_visible_entry = pos->prev;
495 }
496 }
497 break;
498 case NEWT_KEY_RIGHT:
499 case NEWT_KEY_LEFT:
500 case NEWT_KEY_TAB:
501 return es->u.key;
502 default:
503 continue;
504 }
505 if (ui_browser__refresh_entries(self) < 0)
506 return -1;
507 }
508 return 0;
509 }
510
511 /*
512 * When debugging newt problems it was useful to be able to "unroll"
513 * the calls to newtCheckBoxTreeAdd{Array,Item}, so that we can generate
514 * a source file with the sequence of calls to these methods, to then
515 * tweak the arrays to get the intended results, so I'm keeping this code
516 * here, may be useful again in the future.
517 */
518 #undef NEWT_DEBUG
519
520 static void newt_checkbox_tree__add(newtComponent tree, const char *str,
521 void *priv, int *indexes)
522 {
523 #ifdef NEWT_DEBUG
524 /* Print the newtCheckboxTreeAddArray to tinker with its index arrays */
525 int i = 0, len = 40 - strlen(str);
526
527 fprintf(stderr,
528 "\tnewtCheckboxTreeAddItem(tree, %*.*s\"%s\", (void *)%p, 0, ",
529 len, len, " ", str, priv);
530 while (indexes[i] != NEWT_ARG_LAST) {
531 if (indexes[i] != NEWT_ARG_APPEND)
532 fprintf(stderr, " %d,", indexes[i]);
533 else
534 fprintf(stderr, " %s,", "NEWT_ARG_APPEND");
535 ++i;
536 }
537 fprintf(stderr, " %s", " NEWT_ARG_LAST);\n");
538 fflush(stderr);
539 #endif
540 newtCheckboxTreeAddArray(tree, str, priv, 0, indexes);
541 }
542
543 static char *callchain_list__sym_name(struct callchain_list *self,
544 char *bf, size_t bfsize)
545 {
546 if (self->ms.sym)
547 return self->ms.sym->name;
548
549 snprintf(bf, bfsize, "%#Lx", self->ip);
550 return bf;
551 }
552
553 static void __callchain__append_graph_browser(struct callchain_node *self,
554 newtComponent tree, u64 total,
555 int *indexes, int depth)
556 {
557 struct rb_node *node;
558 u64 new_total, remaining;
559 int idx = 0;
560
561 if (callchain_param.mode == CHAIN_GRAPH_REL)
562 new_total = self->children_hit;
563 else
564 new_total = total;
565
566 remaining = new_total;
567 node = rb_first(&self->rb_root);
568 while (node) {
569 struct callchain_node *child = rb_entry(node, struct callchain_node, rb_node);
570 struct rb_node *next = rb_next(node);
571 u64 cumul = cumul_hits(child);
572 struct callchain_list *chain;
573 int first = true, printed = 0;
574 int chain_idx = -1;
575 remaining -= cumul;
576
577 indexes[depth] = NEWT_ARG_APPEND;
578 indexes[depth + 1] = NEWT_ARG_LAST;
579
580 list_for_each_entry(chain, &child->val, list) {
581 char ipstr[BITS_PER_LONG / 4 + 1],
582 *alloc_str = NULL;
583 const char *str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
584
585 if (first) {
586 double percent = cumul * 100.0 / new_total;
587
588 first = false;
589 if (asprintf(&alloc_str, "%2.2f%% %s", percent, str) < 0)
590 str = "Not enough memory!";
591 else
592 str = alloc_str;
593 } else {
594 indexes[depth] = idx;
595 indexes[depth + 1] = NEWT_ARG_APPEND;
596 indexes[depth + 2] = NEWT_ARG_LAST;
597 ++chain_idx;
598 }
599 newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
600 free(alloc_str);
601 ++printed;
602 }
603
604 indexes[depth] = idx;
605 if (chain_idx != -1)
606 indexes[depth + 1] = chain_idx;
607 if (printed != 0)
608 ++idx;
609 __callchain__append_graph_browser(child, tree, new_total, indexes,
610 depth + (chain_idx != -1 ? 2 : 1));
611 node = next;
612 }
613 }
614
615 static void callchain__append_graph_browser(struct callchain_node *self,
616 newtComponent tree, u64 total,
617 int *indexes, int parent_idx)
618 {
619 struct callchain_list *chain;
620 int i = 0;
621
622 indexes[1] = NEWT_ARG_APPEND;
623 indexes[2] = NEWT_ARG_LAST;
624
625 list_for_each_entry(chain, &self->val, list) {
626 char ipstr[BITS_PER_LONG / 4 + 1], *str;
627
628 if (chain->ip >= PERF_CONTEXT_MAX)
629 continue;
630
631 if (!i++ && sort__first_dimension == SORT_SYM)
632 continue;
633
634 str = callchain_list__sym_name(chain, ipstr, sizeof(ipstr));
635 newt_checkbox_tree__add(tree, str, &chain->ms, indexes);
636 }
637
638 indexes[1] = parent_idx;
639 indexes[2] = NEWT_ARG_APPEND;
640 indexes[3] = NEWT_ARG_LAST;
641 __callchain__append_graph_browser(self, tree, total, indexes, 2);
642 }
643
644 static void hist_entry__append_callchain_browser(struct hist_entry *self,
645 newtComponent tree, u64 total, int parent_idx)
646 {
647 struct rb_node *rb_node;
648 int indexes[1024] = { [0] = parent_idx, };
649 int idx = 0;
650 struct callchain_node *chain;
651
652 rb_node = rb_first(&self->sorted_chain);
653 while (rb_node) {
654 chain = rb_entry(rb_node, struct callchain_node, rb_node);
655 switch (callchain_param.mode) {
656 case CHAIN_FLAT:
657 break;
658 case CHAIN_GRAPH_ABS: /* falldown */
659 case CHAIN_GRAPH_REL:
660 callchain__append_graph_browser(chain, tree, total, indexes, idx++);
661 break;
662 case CHAIN_NONE:
663 default:
664 break;
665 }
666 rb_node = rb_next(rb_node);
667 }
668 }
669
670 static size_t hist_entry__append_browser(struct hist_entry *self,
671 newtComponent tree, u64 total)
672 {
673 char s[256];
674 size_t ret;
675
676 if (symbol_conf.exclude_other && !self->parent)
677 return 0;
678
679 ret = hist_entry__snprintf(self, s, sizeof(s), NULL,
680 false, 0, false, total);
681 if (symbol_conf.use_callchain) {
682 int indexes[2];
683
684 indexes[0] = NEWT_ARG_APPEND;
685 indexes[1] = NEWT_ARG_LAST;
686 newt_checkbox_tree__add(tree, s, &self->ms, indexes);
687 } else
688 newtListboxAppendEntry(tree, s, &self->ms);
689
690 return ret;
691 }
692
693 int hist_entry__tui_annotate(struct hist_entry *self)
694 {
695 struct ui_browser browser;
696 struct newtExitStruct es;
697 struct objdump_line *pos, *n;
698 LIST_HEAD(head);
699 int ret;
700
701 if (self->ms.sym == NULL)
702 return -1;
703
704 if (self->ms.map->dso->annotate_warned)
705 return -1;
706
707 if (hist_entry__annotate(self, &head) < 0) {
708 ui__error_window(browser__last_msg);
709 return -1;
710 }
711
712 ui_helpline__push("Press <- or ESC to exit");
713
714 memset(&browser, 0, sizeof(browser));
715 browser.entries = &head;
716 browser.priv = self;
717 list_for_each_entry(pos, &head, node) {
718 size_t line_len = strlen(pos->line);
719 if (browser.width < line_len)
720 browser.width = line_len;
721 ++browser.nr_entries;
722 }
723
724 browser.width += 18; /* Percentage */
725 ret = ui_browser__run(&browser, self->ms.sym->name, &es);
726 newtFormDestroy(browser.form);
727 newtPopWindow();
728 list_for_each_entry_safe(pos, n, &head, node) {
729 list_del(&pos->node);
730 objdump_line__free(pos);
731 }
732 ui_helpline__pop();
733 return ret;
734 }
735
736 static const void *newt__symbol_tree_get_current(newtComponent self)
737 {
738 if (symbol_conf.use_callchain)
739 return newtCheckboxTreeGetCurrent(self);
740 return newtListboxGetCurrent(self);
741 }
742
743 static void hist_browser__selection(newtComponent self, void *data)
744 {
745 const struct map_symbol **symbol_ptr = data;
746 *symbol_ptr = newt__symbol_tree_get_current(self);
747 }
748
749 struct hist_browser {
750 newtComponent form, tree;
751 const struct map_symbol *selection;
752 };
753
754 static struct hist_browser *hist_browser__new(void)
755 {
756 struct hist_browser *self = malloc(sizeof(*self));
757
758 if (self != NULL)
759 self->form = NULL;
760
761 return self;
762 }
763
764 static void hist_browser__delete(struct hist_browser *self)
765 {
766 newtFormDestroy(self->form);
767 newtPopWindow();
768 free(self);
769 }
770
771 static int hist_browser__populate(struct hist_browser *self, struct hists *hists,
772 const char *title)
773 {
774 int max_len = 0, idx, cols, rows;
775 struct ui_progress *progress;
776 struct rb_node *nd;
777 u64 curr_hist = 0;
778 char seq[] = ".", unit;
779 char str[256];
780 unsigned long nr_events = hists->stats.nr_events[PERF_RECORD_SAMPLE];
781
782 if (self->form) {
783 newtFormDestroy(self->form);
784 newtPopWindow();
785 }
786
787 nr_events = convert_unit(nr_events, &unit);
788 snprintf(str, sizeof(str), "Events: %lu%c ",
789 nr_events, unit);
790 newtDrawRootText(0, 0, str);
791
792 newtGetScreenSize(NULL, &rows);
793
794 if (symbol_conf.use_callchain)
795 self->tree = newtCheckboxTreeMulti(0, 0, rows - 5, seq,
796 NEWT_FLAG_SCROLL);
797 else
798 self->tree = newtListbox(0, 0, rows - 5,
799 (NEWT_FLAG_SCROLL |
800 NEWT_FLAG_RETURNEXIT));
801
802 newtComponentAddCallback(self->tree, hist_browser__selection,
803 &self->selection);
804
805 progress = ui_progress__new("Adding entries to the browser...",
806 hists->nr_entries);
807 if (progress == NULL)
808 return -1;
809
810 idx = 0;
811 for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
812 struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
813 int len;
814
815 if (h->filtered)
816 continue;
817
818 len = hist_entry__append_browser(h, self->tree, hists->stats.total_period);
819 if (len > max_len)
820 max_len = len;
821 if (symbol_conf.use_callchain)
822 hist_entry__append_callchain_browser(h, self->tree,
823 hists->stats.total_period, idx++);
824 ++curr_hist;
825 if (curr_hist % 5)
826 ui_progress__update(progress, curr_hist);
827 }
828
829 ui_progress__delete(progress);
830
831 newtGetScreenSize(&cols, &rows);
832
833 if (max_len > cols)
834 max_len = cols - 3;
835
836 if (!symbol_conf.use_callchain)
837 newtListboxSetWidth(self->tree, max_len);
838
839 newtCenteredWindow(max_len + (symbol_conf.use_callchain ? 5 : 0),
840 rows - 5, title);
841 self->form = newt_form__new();
842 if (self->form == NULL)
843 return -1;
844
845 newtFormAddHotKey(self->form, 'A');
846 newtFormAddHotKey(self->form, 'a');
847 newtFormAddHotKey(self->form, 'D');
848 newtFormAddHotKey(self->form, 'd');
849 newtFormAddHotKey(self->form, 'T');
850 newtFormAddHotKey(self->form, 't');
851 newtFormAddHotKey(self->form, '?');
852 newtFormAddHotKey(self->form, 'H');
853 newtFormAddHotKey(self->form, 'h');
854 newtFormAddHotKey(self->form, NEWT_KEY_F1);
855 newtFormAddHotKey(self->form, NEWT_KEY_RIGHT);
856 newtFormAddHotKey(self->form, NEWT_KEY_TAB);
857 newtFormAddHotKey(self->form, NEWT_KEY_UNTAB);
858 newtFormAddComponents(self->form, self->tree, NULL);
859 self->selection = newt__symbol_tree_get_current(self->tree);
860
861 return 0;
862 }
863
864 static struct hist_entry *hist_browser__selected_entry(struct hist_browser *self)
865 {
866 int *indexes;
867
868 if (!symbol_conf.use_callchain)
869 goto out;
870
871 indexes = newtCheckboxTreeFindItem(self->tree, (void *)self->selection);
872 if (indexes) {
873 bool is_hist_entry = indexes[1] == NEWT_ARG_LAST;
874 free(indexes);
875 if (is_hist_entry)
876 goto out;
877 }
878 return NULL;
879 out:
880 return container_of(self->selection, struct hist_entry, ms);
881 }
882
883 static struct thread *hist_browser__selected_thread(struct hist_browser *self)
884 {
885 struct hist_entry *he = hist_browser__selected_entry(self);
886 return he ? he->thread : NULL;
887 }
888
889 static int hist_browser__title(char *bf, size_t size, const char *ev_name,
890 const struct dso *dso, const struct thread *thread)
891 {
892 int printed = 0;
893
894 if (thread)
895 printed += snprintf(bf + printed, size - printed,
896 "Thread: %s(%d)",
897 (thread->comm_set ? thread->comm : ""),
898 thread->pid);
899 if (dso)
900 printed += snprintf(bf + printed, size - printed,
901 "%sDSO: %s", thread ? " " : "",
902 dso->short_name);
903 return printed ?: snprintf(bf, size, "Event: %s", ev_name);
904 }
905
906 int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
907 {
908 struct hist_browser *browser = hist_browser__new();
909 struct pstack *fstack;
910 const struct thread *thread_filter = NULL;
911 const struct dso *dso_filter = NULL;
912 struct newtExitStruct es;
913 char msg[160];
914 int key = -1;
915
916 if (browser == NULL)
917 return -1;
918
919 fstack = pstack__new(2);
920 if (fstack == NULL)
921 goto out;
922
923 ui_helpline__push(helpline);
924
925 hist_browser__title(msg, sizeof(msg), ev_name,
926 dso_filter, thread_filter);
927 if (hist_browser__populate(browser, self, msg) < 0)
928 goto out_free_stack;
929
930 while (1) {
931 const struct thread *thread;
932 const struct dso *dso;
933 char *options[16];
934 int nr_options = 0, choice = 0, i,
935 annotate = -2, zoom_dso = -2, zoom_thread = -2;
936
937 newtFormRun(browser->form, &es);
938
939 thread = hist_browser__selected_thread(browser);
940 dso = browser->selection->map ? browser->selection->map->dso : NULL;
941
942 if (es.reason == NEWT_EXIT_HOTKEY) {
943 key = es.u.key;
944
945 switch (key) {
946 case NEWT_KEY_F1:
947 goto do_help;
948 case NEWT_KEY_TAB:
949 case NEWT_KEY_UNTAB:
950 /*
951 * Exit the browser, let hists__browser_tree
952 * go to the next or previous
953 */
954 goto out_free_stack;
955 default:;
956 }
957
958 key = toupper(key);
959 switch (key) {
960 case 'A':
961 if (browser->selection->map == NULL &&
962 browser->selection->map->dso->annotate_warned)
963 continue;
964 goto do_annotate;
965 case 'D':
966 goto zoom_dso;
967 case 'T':
968 goto zoom_thread;
969 case 'H':
970 case '?':
971 do_help:
972 ui__help_window("-> Zoom into DSO/Threads & Annotate current symbol\n"
973 "<- Zoom out\n"
974 "a Annotate current symbol\n"
975 "h/?/F1 Show this window\n"
976 "d Zoom into current DSO\n"
977 "t Zoom into current Thread\n"
978 "q/CTRL+C Exit browser");
979 continue;
980 default:;
981 }
982 if (is_exit_key(key)) {
983 if (key == NEWT_KEY_ESCAPE) {
984 if (dialog_yesno("Do you really want to exit?"))
985 break;
986 else
987 continue;
988 } else
989 break;
990 }
991
992 if (es.u.key == NEWT_KEY_LEFT) {
993 const void *top;
994
995 if (pstack__empty(fstack))
996 continue;
997 top = pstack__pop(fstack);
998 if (top == &dso_filter)
999 goto zoom_out_dso;
1000 if (top == &thread_filter)
1001 goto zoom_out_thread;
1002 continue;
1003 }
1004 }
1005
1006 if (browser->selection->sym != NULL &&
1007 !browser->selection->map->dso->annotate_warned &&
1008 asprintf(&options[nr_options], "Annotate %s",
1009 browser->selection->sym->name) > 0)
1010 annotate = nr_options++;
1011
1012 if (thread != NULL &&
1013 asprintf(&options[nr_options], "Zoom %s %s(%d) thread",
1014 (thread_filter ? "out of" : "into"),
1015 (thread->comm_set ? thread->comm : ""),
1016 thread->pid) > 0)
1017 zoom_thread = nr_options++;
1018
1019 if (dso != NULL &&
1020 asprintf(&options[nr_options], "Zoom %s %s DSO",
1021 (dso_filter ? "out of" : "into"),
1022 (dso->kernel ? "the Kernel" : dso->short_name)) > 0)
1023 zoom_dso = nr_options++;
1024
1025 options[nr_options++] = (char *)"Exit";
1026
1027 choice = popup_menu(nr_options, options);
1028
1029 for (i = 0; i < nr_options - 1; ++i)
1030 free(options[i]);
1031
1032 if (choice == nr_options - 1)
1033 break;
1034
1035 if (choice == -1)
1036 continue;
1037
1038 if (choice == annotate) {
1039 struct hist_entry *he;
1040 do_annotate:
1041 if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
1042 browser->selection->map->dso->annotate_warned = 1;
1043 ui_helpline__puts("No vmlinux file found, can't "
1044 "annotate with just a "
1045 "kallsyms file");
1046 continue;
1047 }
1048
1049 he = hist_browser__selected_entry(browser);
1050 if (he == NULL)
1051 continue;
1052
1053 hist_entry__tui_annotate(he);
1054 } else if (choice == zoom_dso) {
1055 zoom_dso:
1056 if (dso_filter) {
1057 pstack__remove(fstack, &dso_filter);
1058 zoom_out_dso:
1059 ui_helpline__pop();
1060 dso_filter = NULL;
1061 } else {
1062 if (dso == NULL)
1063 continue;
1064 ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s DSO\"",
1065 dso->kernel ? "the Kernel" : dso->short_name);
1066 dso_filter = dso;
1067 pstack__push(fstack, &dso_filter);
1068 }
1069 hists__filter_by_dso(self, dso_filter);
1070 hist_browser__title(msg, sizeof(msg), ev_name,
1071 dso_filter, thread_filter);
1072 if (hist_browser__populate(browser, self, msg) < 0)
1073 goto out;
1074 } else if (choice == zoom_thread) {
1075 zoom_thread:
1076 if (thread_filter) {
1077 pstack__remove(fstack, &thread_filter);
1078 zoom_out_thread:
1079 ui_helpline__pop();
1080 thread_filter = NULL;
1081 } else {
1082 ui_helpline__fpush("To zoom out press <- or -> + \"Zoom out of %s(%d) thread\"",
1083 thread->comm_set ? thread->comm : "",
1084 thread->pid);
1085 thread_filter = thread;
1086 pstack__push(fstack, &thread_filter);
1087 }
1088 hists__filter_by_thread(self, thread_filter);
1089 hist_browser__title(msg, sizeof(msg), ev_name,
1090 dso_filter, thread_filter);
1091 if (hist_browser__populate(browser, self, msg) < 0)
1092 goto out;
1093 }
1094 }
1095 out_free_stack:
1096 pstack__delete(fstack);
1097 out:
1098 hist_browser__delete(browser);
1099 return key;
1100 }
1101
1102 int hists__tui_browse_tree(struct rb_root *self, const char *help)
1103 {
1104 struct rb_node *first = rb_first(self), *nd = first, *next;
1105 int key = 0;
1106
1107 while (nd) {
1108 struct hists *hists = rb_entry(nd, struct hists, rb_node);
1109 const char *ev_name = __event_name(hists->type, hists->config);
1110
1111 key = hists__browse(hists, help, ev_name);
1112
1113 if (is_exit_key(key))
1114 break;
1115
1116 switch (key) {
1117 case NEWT_KEY_TAB:
1118 next = rb_next(nd);
1119 if (next)
1120 nd = next;
1121 break;
1122 case NEWT_KEY_UNTAB:
1123 if (nd == first)
1124 continue;
1125 nd = rb_prev(nd);
1126 default:
1127 break;
1128 }
1129 }
1130
1131 return key;
1132 }
1133
1134 static struct newtPercentTreeColors {
1135 const char *topColorFg, *topColorBg;
1136 const char *mediumColorFg, *mediumColorBg;
1137 const char *normalColorFg, *normalColorBg;
1138 const char *selColorFg, *selColorBg;
1139 const char *codeColorFg, *codeColorBg;
1140 } defaultPercentTreeColors = {
1141 "red", "lightgray",
1142 "green", "lightgray",
1143 "black", "lightgray",
1144 "lightgray", "magenta",
1145 "blue", "lightgray",
1146 };
1147
1148 void setup_browser(void)
1149 {
1150 struct newtPercentTreeColors *c = &defaultPercentTreeColors;
1151
1152 if (!isatty(1) || !use_browser || dump_trace) {
1153 use_browser = 0;
1154 setup_pager();
1155 return;
1156 }
1157
1158 use_browser = 1;
1159 newtInit();
1160 newtCls();
1161 ui_helpline__puts(" ");
1162 sltt_set_color(HE_COLORSET_TOP, NULL, c->topColorFg, c->topColorBg);
1163 sltt_set_color(HE_COLORSET_MEDIUM, NULL, c->mediumColorFg, c->mediumColorBg);
1164 sltt_set_color(HE_COLORSET_NORMAL, NULL, c->normalColorFg, c->normalColorBg);
1165 sltt_set_color(HE_COLORSET_SELECTED, NULL, c->selColorFg, c->selColorBg);
1166 sltt_set_color(HE_COLORSET_CODE, NULL, c->codeColorFg, c->codeColorBg);
1167 }
1168
1169 void exit_browser(bool wait_for_ok)
1170 {
1171 if (use_browser > 0) {
1172 if (wait_for_ok) {
1173 char title[] = "Fatal Error", ok[] = "Ok";
1174 newtWinMessage(title, ok, browser__last_msg);
1175 }
1176 newtFinished();
1177 }
1178 }
CRIS linux kernel tree