1// SPDX-License-Identifier: GPL-2.0 2#include "../browser.h" 3#include "../helpline.h" 4#include "../ui.h" 5#include "../../util/annotate.h" 6#include "../../util/debug.h" 7#include "../../util/dso.h" 8#include "../../util/hist.h" 9#include "../../util/sort.h" 10#include "../../util/map.h" 11#include "../../util/mutex.h" 12#include "../../util/symbol.h" 13#include "../../util/evsel.h" 14#include "../../util/evlist.h" 15#include <inttypes.h> 16#include <linux/kernel.h> 17#include <linux/string.h> 18#include <linux/zalloc.h> 19#include <sys/ttydefaults.h> 20#include <asm/bug.h> 21 22struct arch; 23 24struct annotate_browser { 25 struct ui_browser b; 26 struct rb_root entries; 27 struct rb_node *curr_hot; 28 struct annotation_line *selection; 29 struct arch *arch; 30 bool searching_backwards; 31 char search_bf[128]; 32}; 33 34static inline struct annotation *browser__annotation(struct ui_browser *browser) 35{ 36 struct map_symbol *ms = browser->priv; 37 return symbol__annotation(ms->sym); 38} 39 40static bool disasm_line__filter(struct ui_browser *browser __maybe_unused, void *entry) 41{ 42 struct annotation_line *al = list_entry(entry, struct annotation_line, node); 43 return annotation_line__filter(al); 44} 45 46static int ui_browser__jumps_percent_color(struct ui_browser *browser, int nr, bool current) 47{ 48 struct annotation *notes = browser__annotation(browser); 49 50 if (current && (!browser->use_navkeypressed || browser->navkeypressed)) 51 return HE_COLORSET_SELECTED; 52 if (nr == notes->max_jump_sources) 53 return HE_COLORSET_TOP; 54 if (nr > 1) 55 return HE_COLORSET_MEDIUM; 56 return HE_COLORSET_NORMAL; 57} 58 59static int ui_browser__set_jumps_percent_color(void *browser, int nr, bool current) 60{ 61 int color = ui_browser__jumps_percent_color(browser, nr, current); 62 return ui_browser__set_color(browser, color); 63} 64 65static int annotate_browser__set_color(void *browser, int color) 66{ 67 return ui_browser__set_color(browser, color); 68} 69 70static void annotate_browser__write_graph(void *browser, int graph) 71{ 72 ui_browser__write_graph(browser, graph); 73} 74 75static void annotate_browser__set_percent_color(void *browser, double percent, bool current) 76{ 77 ui_browser__set_percent_color(browser, percent, current); 78} 79 80static void annotate_browser__printf(void *browser, const char *fmt, ...) 81{ 82 va_list args; 83 84 va_start(args, fmt); 85 ui_browser__vprintf(browser, fmt, args); 86 va_end(args); 87} 88 89static void annotate_browser__write(struct ui_browser *browser, void *entry, int row) 90{ 91 struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); 92 struct annotation *notes = browser__annotation(browser); 93 struct annotation_line *al = list_entry(entry, struct annotation_line, node); 94 const bool is_current_entry = ui_browser__is_current_entry(browser, row); 95 struct annotation_write_ops ops = { 96 .first_line = row == 0, 97 .current_entry = is_current_entry, 98 .change_color = (!annotate_opts.hide_src_code && 99 (!is_current_entry || 100 (browser->use_navkeypressed && 101 !browser->navkeypressed))), 102 .width = browser->width, 103 .obj = browser, 104 .set_color = annotate_browser__set_color, 105 .set_percent_color = annotate_browser__set_percent_color, 106 .set_jumps_percent_color = ui_browser__set_jumps_percent_color, 107 .printf = annotate_browser__printf, 108 .write_graph = annotate_browser__write_graph, 109 }; 110 111 /* The scroll bar isn't being used */ 112 if (!browser->navkeypressed) 113 ops.width += 1; 114 115 annotation_line__write(al, notes, &ops); 116 117 if (ops.current_entry) 118 ab->selection = al; 119} 120 121static int is_fused(struct annotate_browser *ab, struct disasm_line *cursor) 122{ 123 struct disasm_line *pos = list_prev_entry(cursor, al.node); 124 const char *name; 125 int diff = 1; 126 127 while (pos && pos->al.offset == -1) { 128 pos = list_prev_entry(pos, al.node); 129 if (!annotate_opts.hide_src_code) 130 diff++; 131 } 132 133 if (!pos) 134 return 0; 135 136 if (ins__is_lock(&pos->ins)) 137 name = pos->ops.locked.ins.name; 138 else 139 name = pos->ins.name; 140 141 if (!name || !cursor->ins.name) 142 return 0; 143 144 if (ins__is_fused(ab->arch, name, cursor->ins.name)) 145 return diff; 146 return 0; 147} 148 149static void annotate_browser__draw_current_jump(struct ui_browser *browser) 150{ 151 struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); 152 struct disasm_line *cursor = disasm_line(ab->selection); 153 struct annotation_line *target; 154 unsigned int from, to; 155 struct map_symbol *ms = ab->b.priv; 156 struct symbol *sym = ms->sym; 157 struct annotation *notes = symbol__annotation(sym); 158 u8 pcnt_width = annotation__pcnt_width(notes); 159 int width; 160 int diff = 0; 161 162 /* PLT symbols contain external offsets */ 163 if (strstr(sym->name, "@plt")) 164 return; 165 166 if (!disasm_line__is_valid_local_jump(cursor, sym)) 167 return; 168 169 /* 170 * This first was seen with a gcc function, _cpp_lex_token, that 171 * has the usual jumps: 172 * 173 * ���1159e6c: ��� jne 115aa32 <_cpp_lex_token@@Base+0xf92> 174 * 175 * I.e. jumps to a label inside that function (_cpp_lex_token), and 176 * those works, but also this kind: 177 * 178 * ���1159e8b: ��� jne c469be <cpp_named_operator2name@@Base+0xa72> 179 * 180 * I.e. jumps to another function, outside _cpp_lex_token, which 181 * are not being correctly handled generating as a side effect references 182 * to ab->offset[] entries that are set to NULL, so to make this code 183 * more robust, check that here. 184 * 185 * A proper fix for will be put in place, looking at the function 186 * name right after the '<' token and probably treating this like a 187 * 'call' instruction. 188 */ 189 target = notes->src->offsets[cursor->ops.target.offset]; 190 if (target == NULL) { 191 ui_helpline__printf("WARN: jump target inconsistency, press 'o', notes->offsets[%#x] = NULL\n", 192 cursor->ops.target.offset); 193 return; 194 } 195 196 if (annotate_opts.hide_src_code) { 197 from = cursor->al.idx_asm; 198 to = target->idx_asm; 199 } else { 200 from = (u64)cursor->al.idx; 201 to = (u64)target->idx; 202 } 203 204 width = annotation__cycles_width(notes); 205 206 ui_browser__set_color(browser, HE_COLORSET_JUMP_ARROWS); 207 __ui_browser__line_arrow(browser, 208 pcnt_width + 2 + notes->widths.addr + width, 209 from, to); 210 211 diff = is_fused(ab, cursor); 212 if (diff > 0) { 213 ui_browser__mark_fused(browser, 214 pcnt_width + 3 + notes->widths.addr + width, 215 from - diff, diff, to > from); 216 } 217} 218 219static unsigned int annotate_browser__refresh(struct ui_browser *browser) 220{ 221 struct annotation *notes = browser__annotation(browser); 222 int ret = ui_browser__list_head_refresh(browser); 223 int pcnt_width = annotation__pcnt_width(notes); 224 225 if (annotate_opts.jump_arrows) 226 annotate_browser__draw_current_jump(browser); 227 228 ui_browser__set_color(browser, HE_COLORSET_NORMAL); 229 __ui_browser__vline(browser, pcnt_width, 0, browser->rows - 1); 230 return ret; 231} 232 233static double disasm__cmp(struct annotation_line *a, struct annotation_line *b, 234 int percent_type) 235{ 236 int i; 237 238 for (i = 0; i < a->data_nr; i++) { 239 if (a->data[i].percent[percent_type] == b->data[i].percent[percent_type]) 240 continue; 241 return a->data[i].percent[percent_type] - 242 b->data[i].percent[percent_type]; 243 } 244 return 0; 245} 246 247static void disasm_rb_tree__insert(struct annotate_browser *browser, 248 struct annotation_line *al) 249{ 250 struct rb_root *root = &browser->entries; 251 struct rb_node **p = &root->rb_node; 252 struct rb_node *parent = NULL; 253 struct annotation_line *l; 254 255 while (*p != NULL) { 256 parent = *p; 257 l = rb_entry(parent, struct annotation_line, rb_node); 258 259 if (disasm__cmp(al, l, annotate_opts.percent_type) < 0) 260 p = &(*p)->rb_left; 261 else 262 p = &(*p)->rb_right; 263 } 264 rb_link_node(&al->rb_node, parent, p); 265 rb_insert_color(&al->rb_node, root); 266} 267 268static void annotate_browser__set_top(struct annotate_browser *browser, 269 struct annotation_line *pos, u32 idx) 270{ 271 unsigned back; 272 273 ui_browser__refresh_dimensions(&browser->b); 274 back = browser->b.height / 2; 275 browser->b.top_idx = browser->b.index = idx; 276 277 while (browser->b.top_idx != 0 && back != 0) { 278 pos = list_entry(pos->node.prev, struct annotation_line, node); 279 280 if (annotation_line__filter(pos)) 281 continue; 282 283 --browser->b.top_idx; 284 --back; 285 } 286 287 browser->b.top = pos; 288 browser->b.navkeypressed = true; 289} 290 291static void annotate_browser__set_rb_top(struct annotate_browser *browser, 292 struct rb_node *nd) 293{ 294 struct annotation_line * pos = rb_entry(nd, struct annotation_line, rb_node); 295 u32 idx = pos->idx; 296 297 if (annotate_opts.hide_src_code) 298 idx = pos->idx_asm; 299 annotate_browser__set_top(browser, pos, idx); 300 browser->curr_hot = nd; 301} 302 303static void annotate_browser__calc_percent(struct annotate_browser *browser, 304 struct evsel *evsel) 305{ 306 struct map_symbol *ms = browser->b.priv; 307 struct symbol *sym = ms->sym; 308 struct annotation *notes = symbol__annotation(sym); 309 struct disasm_line *pos; 310 311 browser->entries = RB_ROOT; 312 313 annotation__lock(notes); 314 315 symbol__calc_percent(sym, evsel); 316 317 list_for_each_entry(pos, ¬es->src->source, al.node) { 318 double max_percent = 0.0; 319 int i; 320 321 if (pos->al.offset == -1) { 322 RB_CLEAR_NODE(&pos->al.rb_node); 323 continue; 324 } 325 326 for (i = 0; i < pos->al.data_nr; i++) { 327 double percent; 328 329 percent = annotation_data__percent(&pos->al.data[i], 330 annotate_opts.percent_type); 331 332 if (max_percent < percent) 333 max_percent = percent; 334 } 335 336 if (max_percent < 0.01 && (!pos->al.cycles || pos->al.cycles->ipc == 0)) { 337 RB_CLEAR_NODE(&pos->al.rb_node); 338 continue; 339 } 340 disasm_rb_tree__insert(browser, &pos->al); 341 } 342 annotation__unlock(notes); 343 344 browser->curr_hot = rb_last(&browser->entries); 345} 346 347static struct annotation_line *annotate_browser__find_next_asm_line( 348 struct annotate_browser *browser, 349 struct annotation_line *al) 350{ 351 struct annotation_line *it = al; 352 353 /* find next asm line */ 354 list_for_each_entry_continue(it, browser->b.entries, node) { 355 if (it->idx_asm >= 0) 356 return it; 357 } 358 359 /* no asm line found forwards, try backwards */ 360 it = al; 361 list_for_each_entry_continue_reverse(it, browser->b.entries, node) { 362 if (it->idx_asm >= 0) 363 return it; 364 } 365 366 /* There are no asm lines */ 367 return NULL; 368} 369 370static bool annotate_browser__toggle_source(struct annotate_browser *browser) 371{ 372 struct annotation *notes = browser__annotation(&browser->b); 373 struct annotation_line *al; 374 off_t offset = browser->b.index - browser->b.top_idx; 375 376 browser->b.seek(&browser->b, offset, SEEK_CUR); 377 al = list_entry(browser->b.top, struct annotation_line, node); 378 379 if (annotate_opts.hide_src_code) { 380 if (al->idx_asm < offset) 381 offset = al->idx; 382 383 browser->b.nr_entries = notes->src->nr_entries; 384 annotate_opts.hide_src_code = false; 385 browser->b.seek(&browser->b, -offset, SEEK_CUR); 386 browser->b.top_idx = al->idx - offset; 387 browser->b.index = al->idx; 388 } else { 389 if (al->idx_asm < 0) { 390 /* move cursor to next asm line */ 391 al = annotate_browser__find_next_asm_line(browser, al); 392 if (!al) { 393 browser->b.seek(&browser->b, -offset, SEEK_CUR); 394 return false; 395 } 396 } 397 398 if (al->idx_asm < offset) 399 offset = al->idx_asm; 400 401 browser->b.nr_entries = notes->src->nr_asm_entries; 402 annotate_opts.hide_src_code = true; 403 browser->b.seek(&browser->b, -offset, SEEK_CUR); 404 browser->b.top_idx = al->idx_asm - offset; 405 browser->b.index = al->idx_asm; 406 } 407 408 return true; 409} 410 411#define SYM_TITLE_MAX_SIZE (PATH_MAX + 64) 412 413static void annotate_browser__show_full_location(struct ui_browser *browser) 414{ 415 struct annotate_browser *ab = container_of(browser, struct annotate_browser, b); 416 struct disasm_line *cursor = disasm_line(ab->selection); 417 struct annotation_line *al = &cursor->al; 418 419 if (al->offset != -1) 420 ui_helpline__puts("Only available for source code lines."); 421 else if (al->fileloc == NULL) 422 ui_helpline__puts("No source file location."); 423 else { 424 char help_line[SYM_TITLE_MAX_SIZE]; 425 sprintf (help_line, "Source file location: %s", al->fileloc); 426 ui_helpline__puts(help_line); 427 } 428} 429 430static void ui_browser__init_asm_mode(struct ui_browser *browser) 431{ 432 struct annotation *notes = browser__annotation(browser); 433 ui_browser__reset_index(browser); 434 browser->nr_entries = notes->src->nr_asm_entries; 435} 436 437static int sym_title(struct symbol *sym, struct map *map, char *title, 438 size_t sz, int percent_type) 439{ 440 return snprintf(title, sz, "%s %s [Percent: %s]", sym->name, 441 map__dso(map)->long_name, 442 percent_type_str(percent_type)); 443} 444 445/* 446 * This can be called from external jumps, i.e. jumps from one function 447 * to another, like from the kernel's entry_SYSCALL_64 function to the 448 * swapgs_restore_regs_and_return_to_usermode() function. 449 * 450 * So all we check here is that dl->ops.target.sym is set, if it is, just 451 * go to that function and when exiting from its disassembly, come back 452 * to the calling function. 453 */ 454static bool annotate_browser__callq(struct annotate_browser *browser, 455 struct evsel *evsel, 456 struct hist_browser_timer *hbt) 457{ 458 struct map_symbol *ms = browser->b.priv, target_ms; 459 struct disasm_line *dl = disasm_line(browser->selection); 460 struct annotation *notes; 461 char title[SYM_TITLE_MAX_SIZE]; 462 463 if (!dl->ops.target.sym) { 464 ui_helpline__puts("The called function was not found."); 465 return true; 466 } 467 468 notes = symbol__annotation(dl->ops.target.sym); 469 annotation__lock(notes); 470 471 if (!symbol__hists(dl->ops.target.sym, evsel->evlist->core.nr_entries)) { 472 annotation__unlock(notes); 473 ui__warning("Not enough memory for annotating '%s' symbol!\n", 474 dl->ops.target.sym->name); 475 return true; 476 } 477 478 target_ms.maps = ms->maps; 479 target_ms.map = ms->map; 480 target_ms.sym = dl->ops.target.sym; 481 annotation__unlock(notes); 482 symbol__tui_annotate(&target_ms, evsel, hbt); 483 sym_title(ms->sym, ms->map, title, sizeof(title), annotate_opts.percent_type); 484 ui_browser__show_title(&browser->b, title); 485 return true; 486} 487 488static 489struct disasm_line *annotate_browser__find_offset(struct annotate_browser *browser, 490 s64 offset, s64 *idx) 491{ 492 struct annotation *notes = browser__annotation(&browser->b); 493 struct disasm_line *pos; 494 495 *idx = 0; 496 list_for_each_entry(pos, ¬es->src->source, al.node) { 497 if (pos->al.offset == offset) 498 return pos; 499 if (!annotation_line__filter(&pos->al)) 500 ++*idx; 501 } 502 503 return NULL; 504} 505 506static bool annotate_browser__jump(struct annotate_browser *browser, 507 struct evsel *evsel, 508 struct hist_browser_timer *hbt) 509{ 510 struct disasm_line *dl = disasm_line(browser->selection); 511 u64 offset; 512 s64 idx; 513 514 if (!ins__is_jump(&dl->ins)) 515 return false; 516 517 if (dl->ops.target.outside) { 518 annotate_browser__callq(browser, evsel, hbt); 519 return true; 520 } 521 522 offset = dl->ops.target.offset; 523 dl = annotate_browser__find_offset(browser, offset, &idx); 524 if (dl == NULL) { 525 ui_helpline__printf("Invalid jump offset: %" PRIx64, offset); 526 return true; 527 } 528 529 annotate_browser__set_top(browser, &dl->al, idx); 530 531 return true; 532} 533 534static 535struct annotation_line *annotate_browser__find_string(struct annotate_browser *browser, 536 char *s, s64 *idx) 537{ 538 struct annotation *notes = browser__annotation(&browser->b); 539 struct annotation_line *al = browser->selection; 540 541 *idx = browser->b.index; 542 list_for_each_entry_continue(al, ¬es->src->source, node) { 543 if (annotation_line__filter(al)) 544 continue; 545 546 ++*idx; 547 548 if (al->line && strstr(al->line, s) != NULL) 549 return al; 550 } 551 552 return NULL; 553} 554 555static bool __annotate_browser__search(struct annotate_browser *browser) 556{ 557 struct annotation_line *al; 558 s64 idx; 559 560 al = annotate_browser__find_string(browser, browser->search_bf, &idx); 561 if (al == NULL) { 562 ui_helpline__puts("String not found!"); 563 return false; 564 } 565 566 annotate_browser__set_top(browser, al, idx); 567 browser->searching_backwards = false; 568 return true; 569} 570 571static 572struct annotation_line *annotate_browser__find_string_reverse(struct annotate_browser *browser, 573 char *s, s64 *idx) 574{ 575 struct annotation *notes = browser__annotation(&browser->b); 576 struct annotation_line *al = browser->selection; 577 578 *idx = browser->b.index; 579 list_for_each_entry_continue_reverse(al, ¬es->src->source, node) { 580 if (annotation_line__filter(al)) 581 continue; 582 583 --*idx; 584 585 if (al->line && strstr(al->line, s) != NULL) 586 return al; 587 } 588 589 return NULL; 590} 591 592static bool __annotate_browser__search_reverse(struct annotate_browser *browser) 593{ 594 struct annotation_line *al; 595 s64 idx; 596 597 al = annotate_browser__find_string_reverse(browser, browser->search_bf, &idx); 598 if (al == NULL) { 599 ui_helpline__puts("String not found!"); 600 return false; 601 } 602 603 annotate_browser__set_top(browser, al, idx); 604 browser->searching_backwards = true; 605 return true; 606} 607 608static bool annotate_browser__search_window(struct annotate_browser *browser, 609 int delay_secs) 610{ 611 if (ui_browser__input_window("Search", "String: ", browser->search_bf, 612 "ENTER: OK, ESC: Cancel", 613 delay_secs * 2) != K_ENTER || 614 !*browser->search_bf) 615 return false; 616 617 return true; 618} 619 620static bool annotate_browser__search(struct annotate_browser *browser, int delay_secs) 621{ 622 if (annotate_browser__search_window(browser, delay_secs)) 623 return __annotate_browser__search(browser); 624 625 return false; 626} 627 628static bool annotate_browser__continue_search(struct annotate_browser *browser, 629 int delay_secs) 630{ 631 if (!*browser->search_bf) 632 return annotate_browser__search(browser, delay_secs); 633 634 return __annotate_browser__search(browser); 635} 636 637static bool annotate_browser__search_reverse(struct annotate_browser *browser, 638 int delay_secs) 639{ 640 if (annotate_browser__search_window(browser, delay_secs)) 641 return __annotate_browser__search_reverse(browser); 642 643 return false; 644} 645 646static 647bool annotate_browser__continue_search_reverse(struct annotate_browser *browser, 648 int delay_secs) 649{ 650 if (!*browser->search_bf) 651 return annotate_browser__search_reverse(browser, delay_secs); 652 653 return __annotate_browser__search_reverse(browser); 654} 655 656static int annotate_browser__show(struct ui_browser *browser, char *title, const char *help) 657{ 658 struct map_symbol *ms = browser->priv; 659 struct symbol *sym = ms->sym; 660 char symbol_dso[SYM_TITLE_MAX_SIZE]; 661 662 if (ui_browser__show(browser, title, help) < 0) 663 return -1; 664 665 sym_title(sym, ms->map, symbol_dso, sizeof(symbol_dso), annotate_opts.percent_type); 666 667 ui_browser__gotorc_title(browser, 0, 0); 668 ui_browser__set_color(browser, HE_COLORSET_ROOT); 669 ui_browser__write_nstring(browser, symbol_dso, browser->width + 1); 670 return 0; 671} 672 673static void 674switch_percent_type(struct annotation_options *opts, bool base) 675{ 676 switch (opts->percent_type) { 677 case PERCENT_HITS_LOCAL: 678 if (base) 679 opts->percent_type = PERCENT_PERIOD_LOCAL; 680 else 681 opts->percent_type = PERCENT_HITS_GLOBAL; 682 break; 683 case PERCENT_HITS_GLOBAL: 684 if (base) 685 opts->percent_type = PERCENT_PERIOD_GLOBAL; 686 else 687 opts->percent_type = PERCENT_HITS_LOCAL; 688 break; 689 case PERCENT_PERIOD_LOCAL: 690 if (base) 691 opts->percent_type = PERCENT_HITS_LOCAL; 692 else 693 opts->percent_type = PERCENT_PERIOD_GLOBAL; 694 break; 695 case PERCENT_PERIOD_GLOBAL: 696 if (base) 697 opts->percent_type = PERCENT_HITS_GLOBAL; 698 else 699 opts->percent_type = PERCENT_PERIOD_LOCAL; 700 break; 701 default: 702 WARN_ON(1); 703 } 704} 705 706static int annotate_browser__run(struct annotate_browser *browser, 707 struct evsel *evsel, 708 struct hist_browser_timer *hbt) 709{ 710 struct rb_node *nd = NULL; 711 struct hists *hists = evsel__hists(evsel); 712 struct map_symbol *ms = browser->b.priv; 713 struct symbol *sym = ms->sym; 714 struct annotation *notes = symbol__annotation(ms->sym); 715 const char *help = "Press 'h' for help on key bindings"; 716 int delay_secs = hbt ? hbt->refresh : 0; 717 char title[256]; 718 int key; 719 720 hists__scnprintf_title(hists, title, sizeof(title)); 721 if (annotate_browser__show(&browser->b, title, help) < 0) 722 return -1; 723 724 annotate_browser__calc_percent(browser, evsel); 725 726 if (browser->curr_hot) { 727 annotate_browser__set_rb_top(browser, browser->curr_hot); 728 browser->b.navkeypressed = false; 729 } 730 731 nd = browser->curr_hot; 732 733 while (1) { 734 key = ui_browser__run(&browser->b, delay_secs); 735 736 if (delay_secs != 0) { 737 annotate_browser__calc_percent(browser, evsel); 738 /* 739 * Current line focus got out of the list of most active 740 * lines, NULL it so that if TAB|UNTAB is pressed, we 741 * move to curr_hot (current hottest line). 742 */ 743 if (nd != NULL && RB_EMPTY_NODE(nd)) 744 nd = NULL; 745 } 746 747 switch (key) { 748 case K_TIMER: 749 if (hbt) 750 hbt->timer(hbt->arg); 751 752 if (delay_secs != 0) { 753 symbol__annotate_decay_histogram(sym, evsel->core.idx); 754 hists__scnprintf_title(hists, title, sizeof(title)); 755 annotate_browser__show(&browser->b, title, help); 756 } 757 continue; 758 case K_TAB: 759 if (nd != NULL) { 760 nd = rb_prev(nd); 761 if (nd == NULL) 762 nd = rb_last(&browser->entries); 763 } else 764 nd = browser->curr_hot; 765 break; 766 case K_UNTAB: 767 if (nd != NULL) { 768 nd = rb_next(nd); 769 if (nd == NULL) 770 nd = rb_first(&browser->entries); 771 } else 772 nd = browser->curr_hot; 773 break; 774 case K_F1: 775 case 'h': 776 ui_browser__help_window(&browser->b, 777 "UP/DOWN/PGUP\n" 778 "PGDN/SPACE Navigate\n" 779 "</> Move to prev/next symbol\n" 780 "q/ESC/CTRL+C Exit\n\n" 781 "ENTER Go to target\n" 782 "H Go to hottest instruction\n" 783 "TAB/shift+TAB Cycle thru hottest instructions\n" 784 "j Toggle showing jump to target arrows\n" 785 "J Toggle showing number of jump sources on targets\n" 786 "n Search next string\n" 787 "o Toggle disassembler output/simplified view\n" 788 "O Bump offset level (jump targets -> +call -> all -> cycle thru)\n" 789 "s Toggle source code view\n" 790 "t Circulate percent, total period, samples view\n" 791 "c Show min/max cycle\n" 792 "/ Search string\n" 793 "k Toggle line numbers\n" 794 "l Show full source file location\n" 795 "P Print to [symbol_name].annotation file.\n" 796 "r Run available scripts\n" 797 "p Toggle percent type [local/global]\n" 798 "b Toggle percent base [period/hits]\n" 799 "? Search string backwards\n" 800 "f Toggle showing offsets to full address\n"); 801 continue; 802 case 'r': 803 script_browse(NULL, NULL); 804 annotate_browser__show(&browser->b, title, help); 805 continue; 806 case 'k': 807 annotate_opts.show_linenr = !annotate_opts.show_linenr; 808 continue; 809 case 'l': 810 annotate_browser__show_full_location (&browser->b); 811 continue; 812 case 'H': 813 nd = browser->curr_hot; 814 break; 815 case 's': 816 if (annotate_browser__toggle_source(browser)) 817 ui_helpline__puts(help); 818 continue; 819 case 'o': 820 annotate_opts.use_offset = !annotate_opts.use_offset; 821 annotation__update_column_widths(notes); 822 continue; 823 case 'O': 824 if (++annotate_opts.offset_level > ANNOTATION__MAX_OFFSET_LEVEL) 825 annotate_opts.offset_level = ANNOTATION__MIN_OFFSET_LEVEL; 826 continue; 827 case 'j': 828 annotate_opts.jump_arrows = !annotate_opts.jump_arrows; 829 continue; 830 case 'J': 831 annotate_opts.show_nr_jumps = !annotate_opts.show_nr_jumps; 832 annotation__update_column_widths(notes); 833 continue; 834 case '/': 835 if (annotate_browser__search(browser, delay_secs)) { 836show_help: 837 ui_helpline__puts(help); 838 } 839 continue; 840 case 'n': 841 if (browser->searching_backwards ? 842 annotate_browser__continue_search_reverse(browser, delay_secs) : 843 annotate_browser__continue_search(browser, delay_secs)) 844 goto show_help; 845 continue; 846 case '?': 847 if (annotate_browser__search_reverse(browser, delay_secs)) 848 goto show_help; 849 continue; 850 case 'D': { 851 static int seq; 852 ui_helpline__pop(); 853 ui_helpline__fpush("%d: nr_ent=%d, height=%d, idx=%d, top_idx=%d, nr_asm_entries=%d", 854 seq++, browser->b.nr_entries, 855 browser->b.height, 856 browser->b.index, 857 browser->b.top_idx, 858 notes->src->nr_asm_entries); 859 } 860 continue; 861 case K_ENTER: 862 case K_RIGHT: 863 { 864 struct disasm_line *dl = disasm_line(browser->selection); 865 866 if (browser->selection == NULL) 867 ui_helpline__puts("Huh? No selection. Report to linux-kernel@vger.kernel.org"); 868 else if (browser->selection->offset == -1) 869 ui_helpline__puts("Actions are only available for assembly lines."); 870 else if (!dl->ins.ops) 871 goto show_sup_ins; 872 else if (ins__is_ret(&dl->ins)) 873 goto out; 874 else if (!(annotate_browser__jump(browser, evsel, hbt) || 875 annotate_browser__callq(browser, evsel, hbt))) { 876show_sup_ins: 877 ui_helpline__puts("Actions are only available for function call/return & jump/branch instructions."); 878 } 879 continue; 880 } 881 case 'P': 882 map_symbol__annotation_dump(ms, evsel); 883 continue; 884 case 't': 885 if (symbol_conf.show_total_period) { 886 symbol_conf.show_total_period = false; 887 symbol_conf.show_nr_samples = true; 888 } else if (symbol_conf.show_nr_samples) 889 symbol_conf.show_nr_samples = false; 890 else 891 symbol_conf.show_total_period = true; 892 annotation__update_column_widths(notes); 893 continue; 894 case 'c': 895 if (annotate_opts.show_minmax_cycle) 896 annotate_opts.show_minmax_cycle = false; 897 else 898 annotate_opts.show_minmax_cycle = true; 899 annotation__update_column_widths(notes); 900 continue; 901 case 'p': 902 case 'b': 903 switch_percent_type(&annotate_opts, key == 'b'); 904 hists__scnprintf_title(hists, title, sizeof(title)); 905 annotate_browser__show(&browser->b, title, help); 906 continue; 907 case 'f': 908 annotation__toggle_full_addr(notes, ms); 909 continue; 910 case K_LEFT: 911 case '<': 912 case '>': 913 case K_ESC: 914 case 'q': 915 case CTRL('c'): 916 goto out; 917 default: 918 continue; 919 } 920 921 if (nd != NULL) 922 annotate_browser__set_rb_top(browser, nd); 923 } 924out: 925 ui_browser__hide(&browser->b); 926 return key; 927} 928 929int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel, 930 struct hist_browser_timer *hbt) 931{ 932 return symbol__tui_annotate(ms, evsel, hbt); 933} 934 935int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel, 936 struct hist_browser_timer *hbt) 937{ 938 /* reset abort key so that it can get Ctrl-C as a key */ 939 SLang_reset_tty(); 940 SLang_init_tty(0, 0, 0); 941 SLtty_set_suspend_state(true); 942 943 return map_symbol__tui_annotate(&he->ms, evsel, hbt); 944} 945 946int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel, 947 struct hist_browser_timer *hbt) 948{ 949 struct symbol *sym = ms->sym; 950 struct annotation *notes = symbol__annotation(sym); 951 struct annotate_browser browser = { 952 .b = { 953 .refresh = annotate_browser__refresh, 954 .seek = ui_browser__list_head_seek, 955 .write = annotate_browser__write, 956 .filter = disasm_line__filter, 957 .extra_title_lines = 1, /* for hists__scnprintf_title() */ 958 .priv = ms, 959 .use_navkeypressed = true, 960 }, 961 }; 962 struct dso *dso; 963 int ret = -1, err; 964 int not_annotated = list_empty(¬es->src->source); 965 966 if (sym == NULL) 967 return -1; 968 969 dso = map__dso(ms->map); 970 if (dso->annotate_warned) 971 return -1; 972 973 if (not_annotated || !sym->annotate2) { 974 err = symbol__annotate2(ms, evsel, &browser.arch); 975 if (err) { 976 char msg[BUFSIZ]; 977 dso->annotate_warned = true; 978 symbol__strerror_disassemble(ms, err, msg, sizeof(msg)); 979 ui__error("Couldn't annotate %s:\n%s", sym->name, msg); 980 goto out_free_offsets; 981 } 982 } 983 984 ui_helpline__push("Press ESC to exit"); 985 986 browser.b.width = notes->src->max_line_len; 987 browser.b.nr_entries = notes->src->nr_entries; 988 browser.b.entries = ¬es->src->source, 989 browser.b.width += 18; /* Percentage */ 990 991 if (annotate_opts.hide_src_code) 992 ui_browser__init_asm_mode(&browser.b); 993 994 ret = annotate_browser__run(&browser, evsel, hbt); 995 996 if(not_annotated) 997 annotated_source__purge(notes->src); 998 999out_free_offsets: 1000 if(not_annotated) 1001 zfree(¬es->src->offsets); 1002 return ret; 1003} 1004