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perf annotate: Simplify disasm_line allocation and freeing code
[linux-2.6-block.git] / tools / perf / util / annotate.c
CommitLineData
91007045 1// SPDX-License-Identifier: GPL-2.0-only
78f7defe
ACM		 2/*
3 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
4 *
5 * Parts came from builtin-annotate.c, see those files for further
6 * copyright notes.
78f7defe
ACM		 7 */
8
a43783ae 9#include <errno.h>
fd20e811 10#include <inttypes.h>
68c0188e 11#include <libgen.h>
f2a39fe8 12#include <stdlib.h>
6987561c
SL		 13#include <bpf/bpf.h>
14#include <bpf/btf.h>
15#include <bpf/libbpf.h>
16#include <linux/btf.h>
fb71c86c 17#include "util.h" // hex_width()
48c65bda
NK		 18#include "ui/ui.h"
19#include "sort.h"
78f7defe
ACM		 20#include "build-id.h"
21#include "color.h"
7f0b6fde 22#include "config.h"
fac583fd 23#include "dso.h"
f2a39fe8 24#include "env.h"
1101f69a 25#include "map.h"
c54d241b 26#include "maps.h"
78f7defe 27#include "symbol.h"
97b9d866 28#include "srcline.h"
b213eac2 29#include "units.h"
78f7defe
ACM		 30#include "debug.h"
31#include "annotate.h"
db8fd07a 32#include "evsel.h"
0693f758 33#include "evlist.h"
6987561c 34#include "bpf-event.h"
70fbe057 35#include "block-range.h"
a067558e 36#include "string2.h"
252a2fdc 37#include "util/event.h"
786c1b51 38#include "arch/common.h"
e592488c 39#include <regex.h>
ce6f4fab 40#include <pthread.h>
4383db88 41#include <linux/bitops.h>
877a7a11 42#include <linux/kernel.h>
13c230ab 43#include <linux/string.h>
6987561c 44#include <bpf/libbpf.h>
97b9d866 45#include <subcmd/parse-options.h>
42359499 46#include <subcmd/run-command.h>
78f7defe 47
a1e9b74c
ACM		 48/* FIXME: For the HE_COLORSET */
49#include "ui/browser.h"
50
51/*
52 * FIXME: Using the same values as slang.h,
53 * but that header may not be available everywhere
54 */
c298304b
ACM		 55#define LARROW_CHAR ((unsigned char)',')
56#define RARROW_CHAR ((unsigned char)'+')
57#define DARROW_CHAR ((unsigned char)'.')
58#define UARROW_CHAR ((unsigned char)'-')
a1e9b74c 59
3052ba56 60#include <linux/ctype.h>
3d689ed6 61
7f0b6fde
ACM		 62struct annotation_options annotation__default_options = {
63 .use_offset = true,
64 .jump_arrows = true,
1eddd9e4 65 .annotate_src = true,
592c10e2 66 .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS,
addba8b6 67 .percent_type = PERCENT_PERIOD_LOCAL,
7f0b6fde
ACM		 68};
69
e592488c 70static regex_t file_lineno;
f69b64f7 71
75b49202 72static struct ins_ops *ins__find(struct arch *arch, const char *name);
2a1ff812 73static void ins__sort(struct arch *arch);
75b49202 74static int disasm_line__parse(char *line, const char **namep, char **rawp);
7a997fe4 75
786c1b51
ACM		 76struct arch {
77 const char *name;
763d8960
ACM		 78 struct ins *instructions;
79 size_t nr_instructions;
2a1ff812
ACM		 80 size_t nr_instructions_allocated;
81 struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name);
763d8960 82 bool sorted_instructions;
0781ea92
ACM		 83 bool initialized;
84 void *priv;
69fb09f6
JY		 85 unsigned int model;
86 unsigned int family;
696e2457 87 int (*init)(struct arch *arch, char *cpuid);
69fb09f6
JY		 88 bool (*ins_is_fused)(struct arch *arch, const char *ins1,
89 const char *ins2);
786c1b51
ACM		 90 struct {
91 char comment_char;
9c2fb451 92 char skip_functions_char;
786c1b51
ACM		 93 } objdump;
94};
95
763d8960
ACM		 96static struct ins_ops call_ops;
97static struct ins_ops dec_ops;
98static struct ins_ops jump_ops;
99static struct ins_ops mov_ops;
100static struct ins_ops nop_ops;
101static struct ins_ops lock_ops;
102static struct ins_ops ret_ops;
103
2a1ff812
ACM		 104static int arch__grow_instructions(struct arch *arch)
105{
106 struct ins *new_instructions;
107 size_t new_nr_allocated;
108
109 if (arch->nr_instructions_allocated == 0 && arch->instructions)
110 goto grow_from_non_allocated_table;
111
112 new_nr_allocated = arch->nr_instructions_allocated + 128;
113 new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins));
114 if (new_instructions == NULL)
115 return -1;
116
117out_update_instructions:
118 arch->instructions = new_instructions;
119 arch->nr_instructions_allocated = new_nr_allocated;
120 return 0;
121
122grow_from_non_allocated_table:
123 new_nr_allocated = arch->nr_instructions + 128;
124 new_instructions = calloc(new_nr_allocated, sizeof(struct ins));
125 if (new_instructions == NULL)
126 return -1;
127
128 memcpy(new_instructions, arch->instructions, arch->nr_instructions);
129 goto out_update_instructions;
130}
131
acc9bfb5 132static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops)
2a1ff812
ACM		 133{
134 struct ins *ins;
135
136 if (arch->nr_instructions == arch->nr_instructions_allocated &&
137 arch__grow_instructions(arch))
138 return -1;
139
140 ins = &arch->instructions[arch->nr_instructions];
141 ins->name = strdup(name);
142 if (!ins->name)
143 return -1;
144
145 ins->ops = ops;
146 arch->nr_instructions++;
147
148 ins__sort(arch);
149 return 0;
150}
151
6d99a79c 152#include "arch/arc/annotate/instructions.c"
763d8960 153#include "arch/arm/annotate/instructions.c"
0fcb1da4 154#include "arch/arm64/annotate/instructions.c"
aa23aa55 155#include "arch/csky/annotate/instructions.c"
763d8960 156#include "arch/x86/annotate/instructions.c"
dbdebdc5 157#include "arch/powerpc/annotate/instructions.c"
d9f8dfa9 158#include "arch/s390/annotate/instructions.c"
0ab41886 159#include "arch/sparc/annotate/instructions.c"
763d8960 160
786c1b51 161static struct arch architectures[] = {
6d99a79c
EP		 162 {
163 .name = "arc",
164 .init = arc__annotate_init,
165 },
786c1b51
ACM		 166 {
167 .name = "arm",
acc9bfb5 168 .init = arm__annotate_init,
786c1b51 169 },
0fcb1da4
KP		 170 {
171 .name = "arm64",
172 .init = arm64__annotate_init,
173 },
aa23aa55
MH		 174 {
175 .name = "csky",
176 .init = csky__annotate_init,
177 },
786c1b51
ACM		 178 {
179 .name = "x86",
696e2457 180 .init = x86__annotate_init,
763d8960
ACM		 181 .instructions = x86__instructions,
182 .nr_instructions = ARRAY_SIZE(x86__instructions),
69fb09f6 183 .ins_is_fused = x86__ins_is_fused,
786c1b51
ACM		 184 .objdump = {
185 .comment_char = '#',
186 },
187 },
dbdebdc5
RB		 188 {
189 .name = "powerpc",
190 .init = powerpc__annotate_init,
191 },
e77852b3
CB		 192 {
193 .name = "s390",
d9f8dfa9 194 .init = s390__annotate_init,
e77852b3
CB		 195 .objdump = {
196 .comment_char = '#',
197 },
198 },
0ab41886
DM		 199 {
200 .name = "sparc",
201 .init = sparc__annotate_init,
202 .objdump = {
203 .comment_char = '#',
204 },
205 },
786c1b51
ACM		 206};
207
c46219ac
ACM		 208static void ins__delete(struct ins_operands *ops)
209{
3995614d
ACM		 210 if (ops == NULL)
211 return;
74cf249d
ACM		 212 zfree(&ops->source.raw);
213 zfree(&ops->source.name);
214 zfree(&ops->target.raw);
215 zfree(&ops->target.name);
c46219ac
ACM		 216}
217
5417072b 218static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 219 struct ins_operands *ops, int max_ins_name)
5417072b 220{
bc3bb795 221 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw);
5417072b
ACM		 222}
223
224int ins__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 225 struct ins_operands *ops, int max_ins_name)
5417072b
ACM		 226{
227 if (ins->ops->scnprintf)
bc3bb795 228 return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name);
5417072b 229
bc3bb795 230 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
5417072b
ACM		 231}
232
69fb09f6
JY		 233bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2)
234{
235 if (!arch || !arch->ins_is_fused)
236 return false;
237
238 return arch->ins_is_fused(arch, ins1, ins2);
239}
240
85a84e4f 241static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
d86b0597 242{
d2232885 243 char *endptr, *tok, *name;
85a84e4f 244 struct map *map = ms->map;
696703af 245 struct addr_map_symbol target = {
d46a4cdf 246 .ms = { .map = map, },
696703af 247 };
d2232885 248
44d1a3ed 249 ops->target.addr = strtoull(ops->raw, &endptr, 16);
d2232885
ACM		 250
251 name = strchr(endptr, '<');
252 if (name == NULL)
253 goto indirect_call;
254
255 name++;
256
9c2fb451
ACM		 257 if (arch->objdump.skip_functions_char &&
258 strchr(name, arch->objdump.skip_functions_char))
cfef25b8 259 return -1;
cfef25b8 260
d2232885
ACM		 261 tok = strchr(name, '>');
262 if (tok == NULL)
263 return -1;
264
265 *tok = '\0';
44d1a3ed 266 ops->target.name = strdup(name);
d2232885
ACM		 267 *tok = '>';
268
696703af
ACM		 269 if (ops->target.name == NULL)
270 return -1;
271find_target:
272 target.addr = map__objdump_2mem(map, ops->target.addr);
d2232885 273
f2eaea09 274 if (maps__find_ams(ms->maps, &target) == 0 &&
d46a4cdf
ACM		 275 map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr)
276 ops->target.sym = target.ms.sym;
e8ea1561 277
d86b0597 278 return 0;
696703af
ACM		 279
280indirect_call:
281 tok = strchr(endptr, '*');
1dc27f63
ML		 282 if (tok != NULL) {
283 endptr++;
284
285 /* Indirect call can use a non-rip register and offset: callq *0x8(%rbx).
286 * Do not parse such instruction. */
287 if (strstr(endptr, "(%r") == NULL)
288 ops->target.addr = strtoull(endptr, NULL, 16);
289 }
696703af 290 goto find_target;
d86b0597
ACM		 291}
292
d2232885 293static int call__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 294 struct ins_operands *ops, int max_ins_name)
d2232885 295{
696703af 296 if (ops->target.sym)
bc3bb795 297 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name);
d2232885 298
e8ea1561 299 if (ops->target.addr == 0)
bc3bb795 300 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
e8ea1561 301
4c9cb2c2 302 if (ops->target.name)
bc3bb795 303 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name);
4c9cb2c2 304
bc3bb795 305 return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr);
d2232885
ACM		 306}
307
d86b0597 308static struct ins_ops call_ops = {
d2232885
ACM		 309 .parse = call__parse,
310 .scnprintf = call__scnprintf,
d86b0597
ACM		 311};
312
313bool ins__is_call(const struct ins *ins)
314{
0b58a77c 315 return ins->ops == &call_ops || ins->ops == &s390_call_ops;
d86b0597
ACM		 316}
317
4e67b2a5
KP		 318/*
319 * Prevents from matching commas in the comment section, e.g.:
320 * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast
321 */
322static inline const char *validate_comma(const char *c, struct ins_operands *ops)
323{
324 if (ops->raw_comment && c > ops->raw_comment)
325 return NULL;
326
327 return c;
328}
329
330static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
4f9d0325 331{
751b1783
ACM		 332 struct map *map = ms->map;
333 struct symbol *sym = ms->sym;
334 struct addr_map_symbol target = {
d46a4cdf 335 .ms = { .map = map, },
751b1783 336 };
3ee2eb6d 337 const char *c = strchr(ops->raw, ',');
751b1783 338 u64 start, end;
4e67b2a5
KP		 339
340 ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char);
341 c = validate_comma(c, ops);
342
751b1783
ACM		 343 /*
344 * Examples of lines to parse for the _cpp_lex_token@@Base
345 * function:
346 *
347 * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92>
348 * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72>
349 *
350 * The first is a jump to an offset inside the same function,
351 * the second is to another function, i.e. that 0xa72 is an
352 * offset in the cpp_named_operator2name@@base function.
353 */
b13bbeee
KP		 354 /*
355 * skip over possible up to 2 operands to get to address, e.g.:
356 * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0>
357 */
358 if (c++ != NULL) {
3ee2eb6d 359 ops->target.addr = strtoull(c, NULL, 16);
b13bbeee
KP		 360 if (!ops->target.addr) {
361 c = strchr(c, ',');
4e67b2a5 362 c = validate_comma(c, ops);
b13bbeee
KP		 363 if (c++ != NULL)
364 ops->target.addr = strtoull(c, NULL, 16);
365 }
366 } else {
3ee2eb6d 367 ops->target.addr = strtoull(ops->raw, NULL, 16);
b13bbeee 368 }
fb29fa58 369
751b1783
ACM		 370 target.addr = map__objdump_2mem(map, ops->target.addr);
371 start = map->unmap_ip(map, sym->start),
372 end = map->unmap_ip(map, sym->end);
373
374 ops->target.outside = target.addr < start || target.addr > end;
375
376 /*
377 * FIXME: things like this in _cpp_lex_token (gcc's cc1 program):
378
379 cpp_named_operator2name@@Base+0xa72
380
381 * Point to a place that is after the cpp_named_operator2name
382 * boundaries, i.e. in the ELF symbol table for cc1
383 * cpp_named_operator2name is marked as being 32-bytes long, but it in
384 * fact is much larger than that, so we seem to need a symbols__find()
385 * routine that looks for >= current->start and < next_symbol->start,
386 * possibly just for C++ objects?
387 *
388 * For now lets just make some progress by marking jumps to outside the
389 * current function as call like.
390 *
391 * Actual navigation will come next, with further understanding of how
392 * the symbol searching and disassembly should be done.
e4cc91b8 393 */
f2eaea09 394 if (maps__find_ams(ms->maps, &target) == 0 &&
d46a4cdf
ACM		 395 map__rip_2objdump(target.ms.map, map->map_ip(target.ms.map, target.addr)) == ops->target.addr)
396 ops->target.sym = target.ms.sym;
751b1783 397
980b68ec
ACM		 398 if (!ops->target.outside) {
399 ops->target.offset = target.addr - start;
e216874c
RB		 400 ops->target.offset_avail = true;
401 } else {
402 ops->target.offset_avail = false;
403 }
4f9d0325 404
4f9d0325
ACM		 405 return 0;
406}
407
c7e6ead7 408static int jump__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 409 struct ins_operands *ops, int max_ins_name)
28548d78 410{
c448234c 411 const char *c;
b13bbeee 412
e216874c 413 if (!ops->target.addr || ops->target.offset < 0)
bc3bb795 414 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
bec60e50 415
e4cc91b8 416 if (ops->target.outside && ops->target.sym != NULL)
bc3bb795 417 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name);
e4cc91b8 418
c448234c 419 c = strchr(ops->raw, ',');
4e67b2a5
KP		 420 c = validate_comma(c, ops);
421
b13bbeee
KP		 422 if (c != NULL) {
423 const char *c2 = strchr(c + 1, ',');
424
4e67b2a5 425 c2 = validate_comma(c2, ops);
b13bbeee
KP		 426 /* check for 3-op insn */
427 if (c2 != NULL)
428 c = c2;
429 c++;
430
431 /* mirror arch objdump's space-after-comma style */
432 if (*c == ' ')
433 c++;
434 }
435
bc3bb795 436 return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name,
b13bbeee
KP		 437 ins->name, c ? c - ops->raw : 0, ops->raw,
438 ops->target.offset);
28548d78
ACM		 439}
440
4f9d0325 441static struct ins_ops jump_ops = {
c7e6ead7
ACM		 442 .parse = jump__parse,
443 .scnprintf = jump__scnprintf,
4f9d0325
ACM		 444};
445
446bool ins__is_jump(const struct ins *ins)
447{
448 return ins->ops == &jump_ops;
449}
450
6de783b6
ACM		 451static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep)
452{
453 char *endptr, *name, *t;
454
455 if (strstr(raw, "(%rip)") == NULL)
456 return 0;
457
458 *addrp = strtoull(comment, &endptr, 16);
35a8a148
TR		 459 if (endptr == comment)
460 return 0;
6de783b6
ACM		 461 name = strchr(endptr, '<');
462 if (name == NULL)
463 return -1;
464
465 name++;
466
467 t = strchr(name, '>');
468 if (t == NULL)
469 return 0;
470
471 *t = '\0';
472 *namep = strdup(name);
473 *t = '>';
474
475 return 0;
476}
477
85a84e4f 478static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms)
7a997fe4 479{
7a997fe4
ACM		 480 ops->locked.ops = zalloc(sizeof(*ops->locked.ops));
481 if (ops->locked.ops == NULL)
482 return 0;
483
75b49202 484 if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0)
7a997fe4
ACM		 485 goto out_free_ops;
486
75b49202 487 ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name);
0fb9f2aa 488
75b49202 489 if (ops->locked.ins.ops == NULL)
2ba34aaa 490 goto out_free_ops;
7a997fe4 491
75b49202 492 if (ops->locked.ins.ops->parse &&
85a84e4f 493 ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0)
be81908c 494 goto out_free_ops;
7a997fe4
ACM		 495
496 return 0;
497
498out_free_ops:
04662523 499 zfree(&ops->locked.ops);
7a997fe4
ACM		 500 return 0;
501}
502
503static int lock__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 504 struct ins_operands *ops, int max_ins_name)
7a997fe4
ACM		 505{
506 int printed;
507
75b49202 508 if (ops->locked.ins.ops == NULL)
bc3bb795 509 return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name);
7a997fe4 510
bc3bb795 511 printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name);
75b49202 512 return printed + ins__scnprintf(&ops->locked.ins, bf + printed,
bc3bb795 513 size - printed, ops->locked.ops, max_ins_name);
7a997fe4
ACM		 514}
515
c46219ac
ACM		 516static void lock__delete(struct ins_operands *ops)
517{
75b49202 518 struct ins *ins = &ops->locked.ins;
0fb9f2aa 519
75b49202 520 if (ins->ops && ins->ops->free)
0fb9f2aa
RV		 521 ins->ops->free(ops->locked.ops);
522 else
523 ins__delete(ops->locked.ops);
524
74cf249d
ACM		 525 zfree(&ops->locked.ops);
526 zfree(&ops->target.raw);
527 zfree(&ops->target.name);
c46219ac
ACM		 528}
529
7a997fe4 530static struct ins_ops lock_ops = {
c46219ac 531 .free = lock__delete,
7a997fe4
ACM		 532 .parse = lock__parse,
533 .scnprintf = lock__scnprintf,
534};
535
85a84e4f 536static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused)
6de783b6
ACM		 537{
538 char *s = strchr(ops->raw, ','), *target, *comment, prev;
539
540 if (s == NULL)
541 return -1;
542
543 *s = '\0';
544 ops->source.raw = strdup(ops->raw);
545 *s = ',';
48000a1a 546
6de783b6
ACM		 547 if (ops->source.raw == NULL)
548 return -1;
549
550 target = ++s;
786c1b51 551 comment = strchr(s, arch->objdump.comment_char);
1e2bb043
AC		 552
553 if (comment != NULL)
554 s = comment - 1;
555 else
556 s = strchr(s, '\0') - 1;
6de783b6 557
1e2bb043
AC		 558 while (s > target && isspace(s[0]))
559 --s;
560 s++;
6de783b6
ACM		 561 prev = *s;
562 *s = '\0';
563
564 ops->target.raw = strdup(target);
565 *s = prev;
566
567 if (ops->target.raw == NULL)
568 goto out_free_source;
569
6de783b6
ACM		 570 if (comment == NULL)
571 return 0;
572
32858480 573 comment = skip_spaces(comment);
35a8a148
TR		 574 comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name);
575 comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name);
6de783b6
ACM		 576
577 return 0;
578
579out_free_source:
04662523 580 zfree(&ops->source.raw);
6de783b6
ACM		 581 return -1;
582}
583
584static int mov__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 585 struct ins_operands *ops, int max_ins_name)
6de783b6 586{
bc3bb795 587 return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name,
6de783b6
ACM		 588 ops->source.name ?: ops->source.raw,
589 ops->target.name ?: ops->target.raw);
590}
591
592static struct ins_ops mov_ops = {
593 .parse = mov__parse,
594 .scnprintf = mov__scnprintf,
595};
596
85a84e4f 597static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused)
a43712c4
ACM		 598{
599 char *target, *comment, *s, prev;
600
601 target = s = ops->raw;
602
603 while (s[0] != '\0' && !isspace(s[0]))
604 ++s;
605 prev = *s;
606 *s = '\0';
607
608 ops->target.raw = strdup(target);
609 *s = prev;
610
611 if (ops->target.raw == NULL)
612 return -1;
613
859afa6c 614 comment = strchr(s, arch->objdump.comment_char);
a43712c4
ACM		 615 if (comment == NULL)
616 return 0;
617
32858480 618 comment = skip_spaces(comment);
35a8a148 619 comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name);
a43712c4
ACM		 620
621 return 0;
622}
623
624static int dec__scnprintf(struct ins *ins, char *bf, size_t size,
bc3bb795 625 struct ins_operands *ops, int max_ins_name)
a43712c4 626{
bc3bb795 627 return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name,
a43712c4
ACM		 628 ops->target.name ?: ops->target.raw);
629}
630
631static struct ins_ops dec_ops = {
632 .parse = dec__parse,
633 .scnprintf = dec__scnprintf,
634};
635
1d037ca1 636static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size,
bc3bb795 637 struct ins_operands *ops __maybe_unused, int max_ins_name)
b9818e93 638{
bc3bb795 639 return scnprintf(bf, size, "%-*s", max_ins_name, "nop");
b9818e93
ACM		 640}
641
642static struct ins_ops nop_ops = {
643 .scnprintf = nop__scnprintf,
644};
645
6ef94929
NR		 646static struct ins_ops ret_ops = {
647 .scnprintf = ins__raw_scnprintf,
648};
649
650bool ins__is_ret(const struct ins *ins)
651{
652 return ins->ops == &ret_ops;
653}
654
7e63a13a
JY		 655bool ins__is_lock(const struct ins *ins)
656{
657 return ins->ops == &lock_ops;
658}
659
7e4c1498 660static int ins__key_cmp(const void *name, const void *insp)
4f9d0325
ACM		 661{
662 const struct ins *ins = insp;
663
664 return strcmp(name, ins->name);
665}
666
7e4c1498
CR		 667static int ins__cmp(const void *a, const void *b)
668{
669 const struct ins *ia = a;
670 const struct ins *ib = b;
671
672 return strcmp(ia->name, ib->name);
673}
674
763d8960 675static void ins__sort(struct arch *arch)
7e4c1498 676{
763d8960 677 const int nmemb = arch->nr_instructions;
7e4c1498 678
763d8960 679 qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp);
7e4c1498
CR		 680}
681
2a1ff812 682static struct ins_ops *__ins__find(struct arch *arch, const char *name)
4f9d0325 683{
75b49202 684 struct ins *ins;
763d8960 685 const int nmemb = arch->nr_instructions;
7e4c1498 686
763d8960
ACM		 687 if (!arch->sorted_instructions) {
688 ins__sort(arch);
689 arch->sorted_instructions = true;
7e4c1498 690 }
4f9d0325 691
75b49202
ACM		 692 ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp);
693 return ins ? ins->ops : NULL;
4f9d0325
ACM		 694}
695
2a1ff812
ACM		 696static struct ins_ops *ins__find(struct arch *arch, const char *name)
697{
698 struct ins_ops *ops = __ins__find(arch, name);
699
700 if (!ops && arch->associate_instruction_ops)
701 ops = arch->associate_instruction_ops(arch, name);
702
703 return ops;
704}
705
786c1b51
ACM		 706static int arch__key_cmp(const void *name, const void *archp)
707{
708 const struct arch *arch = archp;
709
710 return strcmp(name, arch->name);
711}
712
713static int arch__cmp(const void *a, const void *b)
714{
715 const struct arch *aa = a;
716 const struct arch *ab = b;
717
718 return strcmp(aa->name, ab->name);
719}
720
721static void arch__sort(void)
722{
723 const int nmemb = ARRAY_SIZE(architectures);
724
725 qsort(architectures, nmemb, sizeof(struct arch), arch__cmp);
726}
727
728static struct arch *arch__find(const char *name)
729{
730 const int nmemb = ARRAY_SIZE(architectures);
731 static bool sorted;
732
733 if (!sorted) {
734 arch__sort();
735 sorted = true;
736 }
737
738 return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp);
739}
740
ca396503
ACM		 741static struct annotated_source *annotated_source__new(void)
742{
743 struct annotated_source *src = zalloc(sizeof(*src));
744
745 if (src != NULL)
746 INIT_LIST_HEAD(&src->source);
747
748 return src;
749}
750
14c8dde1 751static __maybe_unused void annotated_source__delete(struct annotated_source *src)
ca396503
ACM		 752{
753 if (src == NULL)
754 return;
755 zfree(&src->histograms);
756 zfree(&src->cycles_hist);
757 free(src);
758}
759
be3e26d9
ACM		 760static int annotated_source__alloc_histograms(struct annotated_source *src,
761 size_t size, int nr_hists)
ce6f4fab 762{
8696329b
CS		 763 size_t sizeof_sym_hist;
764
331c7cb3
RB		 765 /*
766 * Add buffer of one element for zero length symbol.
767 * When sample is taken from first instruction of
768 * zero length symbol, perf still resolves it and
769 * shows symbol name in perf report and allows to
770 * annotate it.
771 */
772 if (size == 0)
773 size = 1;
774
8696329b 775 /* Check for overflow when calculating sizeof_sym_hist */
896bccd3 776 if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry))
8696329b
CS		 777 return -1;
778
896bccd3 779 sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry));
8696329b
CS		 780
781 /* Check for overflow in zalloc argument */
be3e26d9 782 if (sizeof_sym_hist > SIZE_MAX / nr_hists)
8696329b 783 return -1;
ce6f4fab 784
be3e26d9
ACM		 785 src->sizeof_sym_hist = sizeof_sym_hist;
786 src->nr_histograms = nr_hists;
787 src->histograms = calloc(nr_hists, sizeof_sym_hist) ;
788 return src->histograms ? 0 : -1;
789}
790
d4957633
AK		 791/* The cycles histogram is lazily allocated. */
792static int symbol__alloc_hist_cycles(struct symbol *sym)
793{
794 struct annotation *notes = symbol__annotation(sym);
795 const size_t size = symbol__size(sym);
796
797 notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist));
798 if (notes->src->cycles_hist == NULL)
799 return -1;
800 return 0;
801}
802
36532461
ACM		 803void symbol__annotate_zero_histograms(struct symbol *sym)
804{
805 struct annotation *notes = symbol__annotation(sym);
806
ce6f4fab 807 pthread_mutex_lock(&notes->lock);
d4957633 808 if (notes->src != NULL) {
ce6f4fab
ACM		 809 memset(notes->src->histograms, 0,
810 notes->src->nr_histograms * notes->src->sizeof_sym_hist);
d4957633
AK		 811 if (notes->src->cycles_hist)
812 memset(notes->src->cycles_hist, 0,
813 symbol__size(sym) * sizeof(struct cyc_hist));
814 }
ce6f4fab 815 pthread_mutex_unlock(&notes->lock);
36532461
ACM		 816}
817
f40dd6d1 818static int __symbol__account_cycles(struct cyc_hist *ch,
d4957633
AK		 819 u64 start,
820 unsigned offset, unsigned cycles,
821 unsigned have_start)
822{
d4957633
AK		 823 /*
824 * For now we can only account one basic block per
825 * final jump. But multiple could be overlapping.
826 * Always account the longest one. So when
827 * a shorter one has been already seen throw it away.
828 *
829 * We separately always account the full cycles.
830 */
831 ch[offset].num_aggr++;
832 ch[offset].cycles_aggr += cycles;
833
48659ebf
JY		 834 if (cycles > ch[offset].cycles_max)
835 ch[offset].cycles_max = cycles;
836
837 if (ch[offset].cycles_min) {
838 if (cycles && cycles < ch[offset].cycles_min)
839 ch[offset].cycles_min = cycles;
840 } else
841 ch[offset].cycles_min = cycles;
842
d4957633
AK		 843 if (!have_start && ch[offset].have_start)
844 return 0;
845 if (ch[offset].num) {
846 if (have_start && (!ch[offset].have_start ||
847 ch[offset].start > start)) {
848 ch[offset].have_start = 0;
849 ch[offset].cycles = 0;
850 ch[offset].num = 0;
851 if (ch[offset].reset < 0xffff)
852 ch[offset].reset++;
853 } else if (have_start &&
854 ch[offset].start < start)
855 return 0;
856 }
cebf7d51
JY		 857
858 if (ch[offset].num < NUM_SPARKS)
859 ch[offset].cycles_spark[ch[offset].num] = cycles;
860
d4957633
AK		 861 ch[offset].have_start = have_start;
862 ch[offset].start = start;
863 ch[offset].cycles += cycles;
864 ch[offset].num++;
865 return 0;
866}
867
d46a4cdf 868static int __symbol__inc_addr_samples(struct map_symbol *ms,
e1a91a83 869 struct annotated_source *src, int evidx, u64 addr,
461c17f0 870 struct perf_sample *sample)
78f7defe 871{
d46a4cdf 872 struct symbol *sym = ms->sym;
2f525d01 873 unsigned offset;
78f7defe
ACM		 874 struct sym_hist *h;
875
d46a4cdf 876 pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, ms->map->unmap_ip(ms->map, addr));
78f7defe 877
edee44be
RB		 878 if ((addr < sym->start || addr >= sym->end) &&
879 (addr != sym->end || sym->start != sym->end)) {
e3d006ce
ACM		 880 pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n",
881 __func__, __LINE__, sym->name, sym->start, addr, sym->end);
31d68e7b 882 return -ERANGE;
e3d006ce 883 }
78f7defe 884
2f525d01 885 offset = addr - sym->start;
e1a91a83 886 h = annotated_source__histogram(src, evidx);
8d628d26
ACM		 887 if (h == NULL) {
888 pr_debug("%s(%d): ENOMEM! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 ", func: %d\n",
889 __func__, __LINE__, sym->name, sym->start, addr, sym->end, sym->type == STT_FUNC);
890 return -ENOMEM;
891 }
8158683d 892 h->nr_samples++;
896bccd3 893 h->addr[offset].nr_samples++;
461c17f0
TS		 894 h->period += sample->period;
895 h->addr[offset].period += sample->period;
78f7defe
ACM		 896
897 pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64
461c17f0
TS		 898 ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n",
899 sym->start, sym->name, addr, addr - sym->start, evidx,
900 h->addr[offset].nr_samples, h->addr[offset].period);
78f7defe
ACM		 901 return 0;
902}
903
c6b635ee 904static struct cyc_hist *symbol__cycles_hist(struct symbol *sym)
83be34a7
AK		 905{
906 struct annotation *notes = symbol__annotation(sym);
907
908 if (notes->src == NULL) {
c6b635ee
ACM		 909 notes->src = annotated_source__new();
910 if (notes->src == NULL)
83be34a7 911 return NULL;
c6b635ee 912 goto alloc_cycles_hist;
83be34a7 913 }
c6b635ee
ACM		 914
915 if (!notes->src->cycles_hist) {
916alloc_cycles_hist:
917 symbol__alloc_hist_cycles(sym);
d4957633 918 }
c6b635ee
ACM		 919
920 return notes->src->cycles_hist;
83be34a7
AK		 921}
922
14c8dde1 923struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists)
e8ea922a
ACM		 924{
925 struct annotation *notes = symbol__annotation(sym);
926
927 if (notes->src == NULL) {
928 notes->src = annotated_source__new();
929 if (notes->src == NULL)
930 return NULL;
931 goto alloc_histograms;
932 }
933
934 if (notes->src->histograms == NULL) {
935alloc_histograms:
936 annotated_source__alloc_histograms(notes->src, symbol__size(sym),
0693f758 937 nr_hists);
e8ea922a
ACM		 938 }
939
940 return notes->src;
941}
942
d46a4cdf 943static int symbol__inc_addr_samples(struct map_symbol *ms,
32dcd021 944 struct evsel *evsel, u64 addr,
bab89f6a 945 struct perf_sample *sample)
b66d8c0c 946{
d46a4cdf 947 struct symbol *sym = ms->sym;
e8ea922a 948 struct annotated_source *src;
b66d8c0c 949
48c65bda 950 if (sym == NULL)
b66d8c0c 951 return 0;
6484d2f9 952 src = symbol__hists(sym, evsel->evlist->core.nr_entries);
d46a4cdf 953 return src ? __symbol__inc_addr_samples(ms, src, evsel->idx, addr, sample) : 0;
b66d8c0c
ACM		 954}
955
d4957633
AK		 956static int symbol__account_cycles(u64 addr, u64 start,
957 struct symbol *sym, unsigned cycles)
958{
c6b635ee 959 struct cyc_hist *cycles_hist;
d4957633
AK		 960 unsigned offset;
961
962 if (sym == NULL)
963 return 0;
c6b635ee
ACM		 964 cycles_hist = symbol__cycles_hist(sym);
965 if (cycles_hist == NULL)
d4957633
AK		 966 return -ENOMEM;
967 if (addr < sym->start || addr >= sym->end)
968 return -ERANGE;
969
970 if (start) {
971 if (start < sym->start || start >= sym->end)
972 return -ERANGE;
973 if (start >= addr)
974 start = 0;
975 }
976 offset = addr - sym->start;
c6b635ee 977 return __symbol__account_cycles(cycles_hist,
d4957633
AK		 978 start ? start - sym->start : 0,
979 offset, cycles,
980 !!start);
981}
982
983int addr_map_symbol__account_cycles(struct addr_map_symbol *ams,
984 struct addr_map_symbol *start,
985 unsigned cycles)
986{
3d7245b0 987 u64 saddr = 0;
d4957633
AK		 988 int err;
989
990 if (!cycles)
991 return 0;
992
993 /*
994 * Only set start when IPC can be computed. We can only
995 * compute it when the basic block is completely in a single
996 * function.
997 * Special case the case when the jump is elsewhere, but
998 * it starts on the function start.
999 */
1000 if (start &&
d46a4cdf
ACM		 1001 (start->ms.sym == ams->ms.sym ||
1002 (ams->ms.sym &&
1003 start->addr == ams->ms.sym->start + ams->ms.map->start)))
d4957633
AK		 1004 saddr = start->al_addr;
1005 if (saddr == 0)
3d7245b0 1006 pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n",
d4957633
AK		 1007 ams->addr,
1008 start ? start->addr : 0,
d46a4cdf 1009 ams->ms.sym ? ams->ms.sym->start + ams->ms.map->start : 0,
d4957633 1010 saddr);
d46a4cdf 1011 err = symbol__account_cycles(ams->al_addr, saddr, ams->ms.sym, cycles);
d4957633
AK		 1012 if (err)
1013 pr_debug2("account_cycles failed %d\n", err);
1014 return err;
1015}
1016
f56c083b
ACM		 1017static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end)
1018{
1019 unsigned n_insn = 0;
1020 u64 offset;
1021
1022 for (offset = start; offset <= end; offset++) {
1023 if (notes->offsets[offset])
1024 n_insn++;
1025 }
1026 return n_insn;
1027}
1028
1029static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch)
1030{
1031 unsigned n_insn;
ace4f8fa 1032 unsigned int cover_insn = 0;
f56c083b
ACM		 1033 u64 offset;
1034
1035 n_insn = annotation__count_insn(notes, start, end);
1036 if (n_insn && ch->num && ch->cycles) {
1037 float ipc = n_insn / ((double)ch->cycles / (double)ch->num);
1038
1039 /* Hide data when there are too many overlaps. */
bdd1666b 1040 if (ch->reset >= 0x7fff)
f56c083b
ACM		 1041 return;
1042
1043 for (offset = start; offset <= end; offset++) {
1044 struct annotation_line *al = notes->offsets[offset];
1045
ace4f8fa 1046 if (al && al->ipc == 0.0) {
f56c083b 1047 al->ipc = ipc;
ace4f8fa
JY		 1048 cover_insn++;
1049 }
1050 }
1051
1052 if (cover_insn) {
1053 notes->hit_cycles += ch->cycles;
1054 notes->hit_insn += n_insn * ch->num;
1055 notes->cover_insn += cover_insn;
f56c083b
ACM		 1056 }
1057 }
1058}
1059
1060void annotation__compute_ipc(struct annotation *notes, size_t size)
1061{
ace4f8fa 1062 s64 offset;
f56c083b
ACM		 1063
1064 if (!notes->src || !notes->src->cycles_hist)
1065 return;
1066
ace4f8fa
JY		 1067 notes->total_insn = annotation__count_insn(notes, 0, size - 1);
1068 notes->hit_cycles = 0;
1069 notes->hit_insn = 0;
1070 notes->cover_insn = 0;
1071
f56c083b 1072 pthread_mutex_lock(&notes->lock);
ace4f8fa 1073 for (offset = size - 1; offset >= 0; --offset) {
f56c083b
ACM		 1074 struct cyc_hist *ch;
1075
1076 ch = &notes->src->cycles_hist[offset];
1077 if (ch && ch->cycles) {
1078 struct annotation_line *al;
1079
1080 if (ch->have_start)
1081 annotation__count_and_fill(notes, ch->start, offset, ch);
1082 al = notes->offsets[offset];
48659ebf 1083 if (al && ch->num_aggr) {
f56c083b 1084 al->cycles = ch->cycles_aggr / ch->num_aggr;
48659ebf
JY		 1085 al->cycles_max = ch->cycles_max;
1086 al->cycles_min = ch->cycles_min;
1087 }
f56c083b
ACM		 1088 notes->have_cycles = true;
1089 }
1090 }
1091 pthread_mutex_unlock(&notes->lock);
1092}
1093
bab89f6a 1094int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample,
32dcd021 1095 struct evsel *evsel)
0f4e7a24 1096{
d46a4cdf 1097 return symbol__inc_addr_samples(&ams->ms, evsel, ams->al_addr, sample);
0f4e7a24
ACM		 1098}
1099
bab89f6a 1100int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample,
32dcd021 1101 struct evsel *evsel, u64 ip)
f626adff 1102{
d46a4cdf 1103 return symbol__inc_addr_samples(&he->ms, evsel, ip, sample);
f626adff
ACM		 1104}
1105
85a84e4f 1106static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms)
4f9d0325 1107{
75b49202 1108 dl->ins.ops = ins__find(arch, dl->ins.name);
4f9d0325 1109
75b49202 1110 if (!dl->ins.ops)
4f9d0325
ACM		 1111 return;
1112
85a84e4f 1113 if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0)
75b49202 1114 dl->ins.ops = NULL;
4f9d0325
ACM		 1115}
1116
75b49202 1117static int disasm_line__parse(char *line, const char **namep, char **rawp)
7a997fe4 1118{
32858480 1119 char tmp, *name = skip_spaces(line);
7a997fe4
ACM		 1120
1121 if (name[0] == '\0')
1122 return -1;
1123
1124 *rawp = name + 1;
1125
1126 while ((*rawp)[0] != '\0' && !isspace((*rawp)[0]))
1127 ++*rawp;
1128
1129 tmp = (*rawp)[0];
1130 (*rawp)[0] = '\0';
1131 *namep = strdup(name);
1132
1133 if (*namep == NULL)
600c787d 1134 goto out;
7a997fe4
ACM		 1135
1136 (*rawp)[0] = tmp;
85127775 1137 *rawp = strim(*rawp);
7a997fe4
ACM		 1138
1139 return 0;
1140
600c787d 1141out:
7a997fe4
ACM		 1142 return -1;
1143}
1144
ea07c5aa 1145struct annotate_args {
24fe7b88 1146 struct arch *arch;
85a84e4f 1147 struct map_symbol ms;
32dcd021 1148 struct evsel *evsel;
380195e2 1149 struct annotation_options *options;
4748834f
JO		 1150 s64 offset;
1151 char *line;
1152 int line_nr;
ea07c5aa
JO		 1153};
1154
2316f861
RB		 1155static void annotation_line__init(struct annotation_line *al,
1156 struct annotate_args *args,
1157 int nr)
c835e191 1158{
2316f861
RB		 1159 al->offset = args->offset;
1160 al->line = strdup(args->line);
1161 al->line_nr = args->line_nr;
1162 al->data_nr = nr;
1163}
c835e191 1164
2316f861
RB		 1165static void annotation_line__exit(struct annotation_line *al)
1166{
8b4c74dc 1167 free_srcline(al->path);
c835e191 1168 zfree(&al->line);
c835e191
JO		 1169}
1170
2316f861 1171static size_t disasm_line_size(int nr)
c835e191
JO		 1172{
1173 struct annotation_line *al;
c835e191 1174
2316f861 1175 return (sizeof(struct disasm_line) + (sizeof(al->data[0]) * nr));
c835e191
JO		 1176}
1177
1178/*
1179 * Allocating the disasm annotation line data with
1180 * following structure:
1181 *
2316f861
RB		 1182 * -------------------------------------------
1183 * struct disasm_line | struct annotation_line
1184 * -------------------------------------------
c835e191
JO		 1185 *
1186 * We have 'struct annotation_line' member as last member
1187 * of 'struct disasm_line' to have an easy access.
c835e191 1188 */
4748834f 1189static struct disasm_line *disasm_line__new(struct annotate_args *args)
78f7defe 1190{
c835e191 1191 struct disasm_line *dl = NULL;
2316f861 1192 int nr = 1;
78f7defe 1193
2316f861
RB		 1194 if (perf_evsel__is_group_event(args->evsel))
1195 nr = args->evsel->core.nr_members;
d5490b96 1196
2316f861
RB		 1197 dl = zalloc(disasm_line_size(nr));
1198 if (!dl)
1199 return NULL;
5145418b 1200
2316f861
RB		 1201 annotation_line__init(&dl->al, args, nr);
1202 if (dl->al.line == NULL)
1203 goto out_delete;
5145418b 1204
2316f861
RB		 1205 if (args->offset != -1) {
1206 if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0)
1207 goto out_free_line;
1208
1209 disasm_line__init_ins(dl, args->arch, &args->ms);
78f7defe
ACM		 1210 }
1211
29ed6e76 1212 return dl;
5145418b
ACM		 1213
1214out_free_line:
d5490b96 1215 zfree(&dl->al.line);
058b4cc9 1216out_delete:
29ed6e76 1217 free(dl);
058b4cc9 1218 return NULL;
78f7defe
ACM		 1219}
1220
29ed6e76 1221void disasm_line__free(struct disasm_line *dl)
78f7defe 1222{
75b49202
ACM		 1223 if (dl->ins.ops && dl->ins.ops->free)
1224 dl->ins.ops->free(&dl->ops);
c46219ac
ACM		 1225 else
1226 ins__delete(&dl->ops);
d8f9da24 1227 zfree(&dl->ins.name);
2316f861
RB		 1228 annotation_line__exit(&dl->al);
1229 free(dl);
78f7defe
ACM		 1230}
1231
bc3bb795 1232int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name)
5417072b 1233{
75b49202 1234 if (raw || !dl->ins.ops)
bc3bb795 1235 return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw);
5417072b 1236
bc3bb795 1237 return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name);
5417072b
ACM		 1238}
1239
82b9d7ff 1240static void annotation_line__add(struct annotation_line *al, struct list_head *head)
78f7defe 1241{
82b9d7ff 1242 list_add_tail(&al->node, head);
78f7defe
ACM		 1243}
1244
c4c72436
JO		 1245struct annotation_line *
1246annotation_line__next(struct annotation_line *pos, struct list_head *head)
78f7defe 1247{
c4c72436
JO		 1248 list_for_each_entry_continue(pos, head, node)
1249 if (pos->offset >= 0)
78f7defe
ACM		 1250 return pos;
1251
1252 return NULL;
1253}
1254
70fbe057
PZ		 1255static const char *annotate__address_color(struct block_range *br)
1256{
1257 double cov = block_range__coverage(br);
1258
1259 if (cov >= 0) {
1260 /* mark red for >75% coverage */
1261 if (cov > 0.75)
1262 return PERF_COLOR_RED;
1263
1264 /* mark dull for <1% coverage */
1265 if (cov < 0.01)
1266 return PERF_COLOR_NORMAL;
1267 }
1268
1269 return PERF_COLOR_MAGENTA;
1270}
1271
1272static const char *annotate__asm_color(struct block_range *br)
1273{
1274 double cov = block_range__coverage(br);
1275
1276 if (cov >= 0) {
1277 /* mark dull for <1% coverage */
1278 if (cov < 0.01)
1279 return PERF_COLOR_NORMAL;
1280 }
1281
1282 return PERF_COLOR_BLUE;
1283}
1284
1285static void annotate__branch_printf(struct block_range *br, u64 addr)
1286{
1287 bool emit_comment = true;
1288
1289 if (!br)
1290 return;
1291
1292#if 1
1293 if (br->is_target && br->start == addr) {
1294 struct block_range *branch = br;
1295 double p;
1296
1297 /*
1298 * Find matching branch to our target.
1299 */
1300 while (!branch->is_branch)
1301 branch = block_range__next(branch);
1302
1303 p = 100 *(double)br->entry / branch->coverage;
1304
1305 if (p > 0.1) {
1306 if (emit_comment) {
1307 emit_comment = false;
1308 printf("\t#");
1309 }
1310
1311 /*
1312 * The percentage of coverage joined at this target in relation
1313 * to the next branch.
1314 */
1315 printf(" +%.2f%%", p);
1316 }
1317 }
1318#endif
1319 if (br->is_branch && br->end == addr) {
1320 double p = 100*(double)br->taken / br->coverage;
1321
1322 if (p > 0.1) {
1323 if (emit_comment) {
1324 emit_comment = false;
1325 printf("\t#");
1326 }
1327
1328 /*
1329 * The percentage of coverage leaving at this branch, and
1330 * its prediction ratio.
1331 */
1332 printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken);
1333 }
1334 }
1335}
1336
f48e7c40 1337static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width)
78f7defe 1338{
29971f9a
JO		 1339 s64 offset = dl->al.offset;
1340 const u64 addr = start + offset;
1341 struct block_range *br;
1342
1343 br = block_range__find(addr);
f48e7c40 1344 color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr);
29971f9a
JO		 1345 color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line);
1346 annotate__branch_printf(br, addr);
1347 return 0;
1348}
1349
1350static int
1351annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start,
32dcd021 1352 struct evsel *evsel, u64 len, int min_pcnt, int printed,
796ca33d
JO		 1353 int max_lines, struct annotation_line *queue, int addr_fmt_width,
1354 int percent_type)
29971f9a
JO		 1355{
1356 struct disasm_line *dl = container_of(al, struct disasm_line, al);
78f7defe
ACM		 1357 static const char *prev_line;
1358 static const char *prev_color;
1359
29971f9a 1360 if (al->offset != -1) {
f681d593 1361 double max_percent = 0.0;
b1dd4432 1362 int i, nr_percent = 1;
78f7defe
ACM		 1363 const char *color;
1364 struct annotation *notes = symbol__annotation(sym);
ce6f4fab 1365
c2f938ba 1366 for (i = 0; i < al->data_nr; i++) {
6d9f0c2d
JO		 1367 double percent;
1368
1369 percent = annotation_data__percent(&al->data[i],
796ca33d 1370 percent_type);
78f7defe 1371
6d9f0c2d
JO		 1372 if (percent > max_percent)
1373 max_percent = percent;
b1dd4432
NK		 1374 }
1375
c2f938ba
JO		 1376 if (al->data_nr > nr_percent)
1377 nr_percent = al->data_nr;
04d2600a 1378
b1dd4432 1379 if (max_percent < min_pcnt)
36532461
ACM		 1380 return -1;
1381
e3087b80 1382 if (max_lines && printed >= max_lines)
36532461 1383 return 1;
d040bd36 1384
d5e3d747 1385 if (queue != NULL) {
29971f9a
JO		 1386 list_for_each_entry_from(queue, &notes->src->source, node) {
1387 if (queue == al)
d5e3d747 1388 break;
29971f9a 1389 annotation_line__print(queue, sym, start, evsel, len,
796ca33d
JO		 1390 0, 0, 1, NULL, addr_fmt_width,
1391 percent_type);
d5e3d747
ACM		 1392 }
1393 }
1394
b1dd4432 1395 color = get_percent_color(max_percent);
78f7defe
ACM		 1396
1397 /*
1398 * Also color the filename and line if needed, with
1399 * the same color than the percentage. Don't print it
1400 * twice for close colored addr with the same filename:line
1401 */
29971f9a
JO		 1402 if (al->path) {
1403 if (!prev_line || strcmp(prev_line, al->path)
78f7defe 1404 || color != prev_color) {
29971f9a
JO		 1405 color_fprintf(stdout, color, " %s", al->path);
1406 prev_line = al->path;
78f7defe
ACM		 1407 prev_color = color;
1408 }
1409 }
1410
b1dd4432 1411 for (i = 0; i < nr_percent; i++) {
0440af74 1412 struct annotation_data *data = &al->data[i];
6d9f0c2d 1413 double percent;
f681d593 1414
796ca33d 1415 percent = annotation_data__percent(data, percent_type);
6d9f0c2d 1416 color = get_percent_color(percent);
0c4a5bce
ML		 1417
1418 if (symbol_conf.show_total_period)
ce9ee4a2 1419 color_fprintf(stdout, color, " %11" PRIu64,
0440af74 1420 data->he.period);
1ac39372
TS		 1421 else if (symbol_conf.show_nr_samples)
1422 color_fprintf(stdout, color, " %7" PRIu64,
0440af74 1423 data->he.nr_samples);
0c4a5bce 1424 else
6d9f0c2d 1425 color_fprintf(stdout, color, " %7.2f", percent);
b1dd4432
NK		 1426 }
1427
f48e7c40 1428 printf(" : ");
70fbe057 1429
f48e7c40 1430 disasm_line__print(dl, start, addr_fmt_width);
70fbe057 1431 printf("\n");
e3087b80 1432 } else if (max_lines && printed >= max_lines)
36532461
ACM		 1433 return 1;
1434 else {
ce9ee4a2 1435 int width = symbol_conf.show_total_period ? 12 : 8;
b1dd4432 1436
d5e3d747
ACM		 1437 if (queue)
1438 return -1;
1439
759ff497 1440 if (perf_evsel__is_group_event(evsel))
5643b1a5 1441 width *= evsel->core.nr_members;
b1dd4432 1442
29971f9a 1443 if (!*al->line)
b1dd4432 1444 printf(" %*s:\n", width, " ");
78f7defe 1445 else
f48e7c40 1446 printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line);
78f7defe 1447 }
36532461
ACM		 1448
1449 return 0;
78f7defe
ACM		 1450}
1451
3aec150a
NK		 1452/*
1453 * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw)
1454 * which looks like following
1455 *
1456 * 0000000000415500 <_init>:
1457 * 415500: sub $0x8,%rsp
1458 * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8>
1459 * 41550b: test %rax,%rax
1460 * 41550e: je 415515 <_init+0x15>
1461 * 415510: callq 416e70 <__gmon_start__@plt>
1462 * 415515: add $0x8,%rsp
1463 * 415519: retq
1464 *
1465 * it will be parsed and saved into struct disasm_line as
1466 * <offset> <name> <ops.raw>
1467 *
1468 * The offset will be a relative offset from the start of the symbol and -1
1469 * means that it's not a disassembly line so should be treated differently.
1470 * The ops.raw part will be parsed further according to type of the instruction.
1471 */
353dcaa2 1472static int symbol__parse_objdump_line(struct symbol *sym,
ea07c5aa 1473 struct annotate_args *args,
b34b45ee 1474 char *parsed_line, int *line_nr)
78f7defe 1475{
85a84e4f 1476 struct map *map = args->ms.map;
ce6f4fab 1477 struct annotation *notes = symbol__annotation(sym);
29ed6e76 1478 struct disasm_line *dl;
b34b45ee 1479 char *tmp;
78f7defe 1480 s64 line_ip, offset = -1;
e592488c 1481 regmatch_t match[2];
78f7defe 1482
e592488c 1483 /* /filename:linenr ? Save line number and ignore. */
986a5bc0
TS		 1484 if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) {
1485 *line_nr = atoi(parsed_line + match[1].rm_so);
e592488c
AK		 1486 return 0;
1487 }
1488
b34b45ee
IR		 1489 /* Process hex address followed by ':'. */
1490 line_ip = strtoull(parsed_line, &tmp, 16);
1491 if (parsed_line != tmp && tmp[0] == ':' && tmp[1] != '\0') {
78f7defe
ACM		 1492 u64 start = map__rip_2objdump(map, sym->start),
1493 end = map__rip_2objdump(map, sym->end);
1494
1495 offset = line_ip - start;
2c241bd3 1496 if ((u64)line_ip < start || (u64)line_ip >= end)
78f7defe 1497 offset = -1;
058b4cc9 1498 else
b34b45ee 1499 parsed_line = tmp + 1;
a31b7cc0 1500 }
78f7defe 1501
4748834f
JO		 1502 args->offset = offset;
1503 args->line = parsed_line;
1504 args->line_nr = *line_nr;
85a84e4f 1505 args->ms.sym = sym;
4748834f
JO		 1506
1507 dl = disasm_line__new(args);
e592488c 1508 (*line_nr)++;
058b4cc9 1509
29ed6e76 1510 if (dl == NULL)
78f7defe 1511 return -1;
058b4cc9 1512
2eff0611 1513 if (!disasm_line__has_local_offset(dl)) {
bbb7f846
AH		 1514 dl->ops.target.offset = dl->ops.target.addr -
1515 map__rip_2objdump(map, sym->start);
e216874c
RB		 1516 dl->ops.target.offset_avail = true;
1517 }
bbb7f846 1518
696703af
ACM		 1519 /* kcore has no symbols, so add the call target symbol */
1520 if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) {
6e427ab0 1521 struct addr_map_symbol target = {
6e427ab0 1522 .addr = dl->ops.target.addr,
d46a4cdf 1523 .ms = { .map = map, },
6e427ab0
AH		 1524 };
1525
f2eaea09 1526 if (!maps__find_ams(args->ms.maps, &target) &&
d46a4cdf
ACM		 1527 target.ms.sym->start == target.al_addr)
1528 dl->ops.target.sym = target.ms.sym;
b178170a
AH		 1529 }
1530
82b9d7ff 1531 annotation_line__add(&dl->al, &notes->src->source);
78f7defe
ACM		 1532
1533 return 0;
1534}
1535
e592488c
AK		 1536static __attribute__((constructor)) void symbol__init_regexpr(void)
1537{
1538 regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED);
1539}
1540
484a5e74
AH		 1541static void delete_last_nop(struct symbol *sym)
1542{
1543 struct annotation *notes = symbol__annotation(sym);
1544 struct list_head *list = &notes->src->source;
1545 struct disasm_line *dl;
1546
1547 while (!list_empty(list)) {
a17c4ca0 1548 dl = list_entry(list->prev, struct disasm_line, al.node);
484a5e74 1549
75b49202
ACM		 1550 if (dl->ins.ops) {
1551 if (dl->ins.ops != &nop_ops)
484a5e74
AH		 1552 return;
1553 } else {
d5490b96
JO		 1554 if (!strstr(dl->al.line, " nop ") &&
1555 !strstr(dl->al.line, " nopl ") &&
1556 !strstr(dl->al.line, " nopw "))
484a5e74
AH		 1557 return;
1558 }
1559
e56fbc9d 1560 list_del_init(&dl->al.node);
484a5e74
AH		 1561 disasm_line__free(dl);
1562 }
1563}
1564
29754894 1565int symbol__strerror_disassemble(struct map_symbol *ms, int errnum, char *buf, size_t buflen)
ee51d851 1566{
29754894 1567 struct dso *dso = ms->map->dso;
ee51d851
ACM		 1568
1569 BUG_ON(buflen == 0);
1570
1571 if (errnum >= 0) {
1572 str_error_r(errnum, buf, buflen);
1573 return 0;
1574 }
1575
1576 switch (errnum) {
1577 case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
1578 char bf[SBUILD_ID_SIZE + 15] = " with build id ";
1579 char *build_id_msg = NULL;
1580
1581 if (dso->has_build_id) {
1582 build_id__sprintf(dso->build_id,
1583 sizeof(dso->build_id), bf + 15);
1584 build_id_msg = bf;
1585 }
1586 scnprintf(buf, buflen,
1587 "No vmlinux file%s\nwas found in the path.\n\n"
1588 "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
1589 "Please use:\n\n"
1590 " perf buildid-cache -vu vmlinux\n\n"
1591 "or:\n\n"
1592 " --vmlinux vmlinux\n", build_id_msg ?: "");
1593 }
1594 break;
6987561c
SL		 1595 case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF:
1596 scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation");
1597 break;
42d7a910
ACM		 1598 case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_REGEXP:
1599 scnprintf(buf, buflen, "Problems with arch specific instruction name regular expressions.");
1600 break;
1601 case SYMBOL_ANNOTATE_ERRNO__ARCH_INIT_CPUID_PARSING:
1602 scnprintf(buf, buflen, "Problems while parsing the CPUID in the arch specific initialization.");
1603 break;
11aad897
ACM		 1604 case SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE:
1605 scnprintf(buf, buflen, "Invalid BPF file: %s.", dso->long_name);
1606 break;
1607 case SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF:
1608 scnprintf(buf, buflen, "The %s BPF file has no BTF section, compile with -g or use pahole -J.",
1609 dso->long_name);
1610 break;
ee51d851
ACM		 1611 default:
1612 scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
1613 break;
1614 }
1615
1616 return 0;
1617}
1618
05ed3ac9 1619static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size)
78f7defe 1620{
05ed3ac9
ACM		 1621 char linkname[PATH_MAX];
1622 char *build_id_filename;
6ebd2547 1623 char *build_id_path = NULL;
3619ef76 1624 char *pos;
78f7defe 1625
c12944f7
ACM		 1626 if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
1627 !dso__is_kcore(dso))
05ed3ac9 1628 return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
c12944f7 1629
d2396999 1630 build_id_filename = dso__build_id_filename(dso, NULL, 0, false);
05ed3ac9
ACM		 1631 if (build_id_filename) {
1632 __symbol__join_symfs(filename, filename_size, build_id_filename);
1633 free(build_id_filename);
3caee094 1634 } else {
ee51d851
ACM		 1635 if (dso->has_build_id)
1636 return ENOMEM;
78f7defe 1637 goto fallback;
3caee094
ACM		 1638 }
1639
6ebd2547
TS		 1640 build_id_path = strdup(filename);
1641 if (!build_id_path)
16ed3c1e 1642 return ENOMEM;
6ebd2547 1643
3619ef76
NK		 1644 /*
1645 * old style build-id cache has name of XX/XXXXXXX.. while
1646 * new style has XX/XXXXXXX../{elf,kallsyms,vdso}.
1647 * extract the build-id part of dirname in the new style only.
1648 */
1649 pos = strrchr(build_id_path, '/');
1650 if (pos && strlen(pos) < SBUILD_ID_SIZE - 2)
1651 dirname(build_id_path);
6ebd2547 1652
3caee094 1653 if (dso__is_kcore(dso) ||
6ebd2547 1654 readlink(build_id_path, linkname, sizeof(linkname)) < 0 ||
05ed3ac9
ACM		 1655 strstr(linkname, DSO__NAME_KALLSYMS) ||
1656 access(filename, R_OK)) {
78f7defe
ACM		 1657fallback:
1658 /*
1659 * If we don't have build-ids or the build-id file isn't in the
1660 * cache, or is just a kallsyms file, well, lets hope that this
1661 * DSO is the same as when 'perf record' ran.
1662 */
05ed3ac9 1663 __symbol__join_symfs(filename, filename_size, dso->long_name);
78f7defe
ACM		 1664 }
1665
6ebd2547 1666 free(build_id_path);
05ed3ac9
ACM		 1667 return 0;
1668}
1669
6987561c
SL		 1670#if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1671#define PACKAGE "perf"
1672#include <bfd.h>
1673#include <dis-asm.h>
1674
1675static int symbol__disassemble_bpf(struct symbol *sym,
1676 struct annotate_args *args)
1677{
1678 struct annotation *notes = symbol__annotation(sym);
1679 struct annotation_options *opts = args->options;
1680 struct bpf_prog_info_linear *info_linear;
1681 struct bpf_prog_linfo *prog_linfo = NULL;
1682 struct bpf_prog_info_node *info_node;
1683 int len = sym->end - sym->start;
1684 disassembler_ftype disassemble;
1685 struct map *map = args->ms.map;
1686 struct disassemble_info info;
1687 struct dso *dso = map->dso;
1688 int pc = 0, count, sub_id;
1689 struct btf *btf = NULL;
1690 char tpath[PATH_MAX];
1691 size_t buf_size;
1692 int nr_skip = 0;
6987561c
SL		 1693 char *buf;
1694 bfd *bfdf;
11aad897 1695 int ret;
6987561c
SL		 1696 FILE *s;
1697
1698 if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO)
11aad897 1699 return SYMBOL_ANNOTATE_ERRNO__BPF_INVALID_FILE;
6987561c 1700
01e985e9
TLSC		 1701 pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__,
1702 sym->name, sym->start, sym->end - sym->start);
6987561c
SL		 1703
1704 memset(tpath, 0, sizeof(tpath));
1705 perf_exe(tpath, sizeof(tpath));
1706
1707 bfdf = bfd_openr(tpath, NULL);
1708 assert(bfdf);
1709 assert(bfd_check_format(bfdf, bfd_object));
1710
1711 s = open_memstream(&buf, &buf_size);
11aad897
ACM		 1712 if (!s) {
1713 ret = errno;
6987561c 1714 goto out;
11aad897 1715 }
6987561c
SL		 1716 init_disassemble_info(&info, s,
1717 (fprintf_ftype) fprintf);
1718
1719 info.arch = bfd_get_arch(bfdf);
1720 info.mach = bfd_get_mach(bfdf);
1721
1722 info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env,
1723 dso->bpf_prog.id);
11aad897 1724 if (!info_node) {
f948eb45 1725 ret = SYMBOL_ANNOTATE_ERRNO__BPF_MISSING_BTF;
6987561c 1726 goto out;
11aad897 1727 }
6987561c
SL		 1728 info_linear = info_node->info_linear;
1729 sub_id = dso->bpf_prog.sub_id;
1730
01e985e9 1731 info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns);
6987561c
SL		 1732 info.buffer_length = info_linear->info.jited_prog_len;
1733
1734 if (info_linear->info.nr_line_info)
1735 prog_linfo = bpf_prog_linfo__new(&info_linear->info);
1736
1737 if (info_linear->info.btf_id) {
1738 struct btf_node *node;
1739
1740 node = perf_env__find_btf(dso->bpf_prog.env,
1741 info_linear->info.btf_id);
1742 if (node)
1743 btf = btf__new((__u8 *)(node->data),
1744 node->data_size);
1745 }
1746
1747 disassemble_init_for_target(&info);
1748
1749#ifdef DISASM_FOUR_ARGS_SIGNATURE
1750 disassemble = disassembler(info.arch,
1751 bfd_big_endian(bfdf),
1752 info.mach,
1753 bfdf);
1754#else
1755 disassemble = disassembler(bfdf);
1756#endif
1757 assert(disassemble);
1758
1759 fflush(s);
1760 do {
1761 const struct bpf_line_info *linfo = NULL;
1762 struct disasm_line *dl;
1763 size_t prev_buf_size;
1764 const char *srcline;
1765 u64 addr;
1766
01e985e9 1767 addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id];
6987561c
SL		 1768 count = disassemble(pc, &info);
1769
1770 if (prog_linfo)
1771 linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo,
1772 addr, sub_id,
1773 nr_skip);
1774
1775 if (linfo && btf) {
1776 srcline = btf__name_by_offset(btf, linfo->line_off);
1777 nr_skip++;
1778 } else
1779 srcline = NULL;
1780
1781 fprintf(s, "\n");
1782 prev_buf_size = buf_size;
1783 fflush(s);
1784
1785 if (!opts->hide_src_code && srcline) {
1786 args->offset = -1;
1787 args->line = strdup(srcline);
1788 args->line_nr = 0;
1789 args->ms.sym = sym;
1790 dl = disasm_line__new(args);
1791 if (dl) {
1792 annotation_line__add(&dl->al,
1793 &notes->src->source);
1794 }
1795 }
1796
1797 args->offset = pc;
1798 args->line = buf + prev_buf_size;
1799 args->line_nr = 0;
1800 args->ms.sym = sym;
1801 dl = disasm_line__new(args);
1802 if (dl)
1803 annotation_line__add(&dl->al, &notes->src->source);
1804
1805 pc += count;
1806 } while (count > 0 && pc < len);
1807
1808 ret = 0;
1809out:
1810 free(prog_linfo);
1811 free(btf);
1812 fclose(s);
1813 bfd_close(bfdf);
1814 return ret;
1815}
1816#else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1817static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused,
1818 struct annotate_args *args __maybe_unused)
1819{
1820 return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF;
1821}
1822#endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT)
1823
b34b45ee
IR		 1824/*
1825 * Possibly create a new version of line with tabs expanded. Returns the
1826 * existing or new line, storage is updated if a new line is allocated. If
1827 * allocation fails then NULL is returned.
1828 */
1829static char *expand_tabs(char *line, char **storage, size_t *storage_len)
1830{
1831 size_t i, src, dst, len, new_storage_len, num_tabs;
1832 char *new_line;
1833 size_t line_len = strlen(line);
1834
1835 for (num_tabs = 0, i = 0; i < line_len; i++)
1836 if (line[i] == '\t')
1837 num_tabs++;
1838
1839 if (num_tabs == 0)
1840 return line;
1841
1842 /*
1843 * Space for the line and '\0', less the leading and trailing
1844 * spaces. Each tab may introduce 7 additional spaces.
1845 */
1846 new_storage_len = line_len + 1 + (num_tabs * 7);
1847
1848 new_line = malloc(new_storage_len);
1849 if (new_line == NULL) {
1850 pr_err("Failure allocating memory for tab expansion\n");
1851 return NULL;
1852 }
1853
1854 /*
1855 * Copy regions starting at src and expand tabs. If there are two
1856 * adjacent tabs then 'src == i', the memcpy is of size 0 and the spaces
1857 * are inserted.
1858 */
1859 for (i = 0, src = 0, dst = 0; i < line_len && num_tabs; i++) {
1860 if (line[i] == '\t') {
1861 len = i - src;
1862 memcpy(&new_line[dst], &line[src], len);
1863 dst += len;
1864 new_line[dst++] = ' ';
1865 while (dst % 8 != 0)
1866 new_line[dst++] = ' ';
1867 src = i + 1;
1868 num_tabs--;
1869 }
1870 }
1871
1872 /* Expand the last region. */
5c65b1c0 1873 len = line_len - src;
b34b45ee
IR		 1874 memcpy(&new_line[dst], &line[src], len);
1875 dst += len;
1876 new_line[dst] = '\0';
1877
1878 free(*storage);
1879 *storage = new_line;
1880 *storage_len = new_storage_len;
1881 return new_line;
1882
1883}
1884
1a04db70 1885static int symbol__disassemble(struct symbol *sym, struct annotate_args *args)
05ed3ac9 1886{
1eddd9e4 1887 struct annotation_options *opts = args->options;
85a84e4f 1888 struct map *map = args->ms.map;
05ed3ac9 1889 struct dso *dso = map->dso;
6810158d 1890 char *command;
05ed3ac9
ACM		 1891 FILE *file;
1892 char symfs_filename[PATH_MAX];
1893 struct kcore_extract kce;
1894 bool delete_extract = false;
2354ae9b 1895 bool decomp = false;
05ed3ac9
ACM		 1896 int lineno = 0;
1897 int nline;
353dcaa2
IR		 1898 char *line;
1899 size_t line_len;
42359499
IR		 1900 const char *objdump_argv[] = {
1901 "/bin/sh",
1902 "-c",
1903 NULL, /* Will be the objdump command to run. */
1904 "--",
1905 NULL, /* Will be the symfs path. */
1906 NULL,
1907 };
1908 struct child_process objdump_process;
05ed3ac9
ACM		 1909 int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename));
1910
1911 if (err)
1912 return err;
1913
78f7defe 1914 pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__,
3caee094 1915 symfs_filename, sym->name, map->unmap_ip(map, sym->start),
78f7defe
ACM		 1916 map->unmap_ip(map, sym->end));
1917
78f7defe
ACM		 1918 pr_debug("annotating [%p] %30s : [%p] %30s\n",
1919 dso, dso->long_name, sym, sym->name);
1920
6987561c
SL		 1921 if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) {
1922 return symbol__disassemble_bpf(sym, args);
1923 } else if (dso__is_kcore(dso)) {
afba19d9
AH		 1924 kce.kcore_filename = symfs_filename;
1925 kce.addr = map__rip_2objdump(map, sym->start);
1926 kce.offs = sym->start;
2c241bd3 1927 kce.len = sym->end - sym->start;
afba19d9
AH		 1928 if (!kcore_extract__create(&kce)) {
1929 delete_extract = true;
1930 strlcpy(symfs_filename, kce.extract_filename,
1931 sizeof(symfs_filename));
afba19d9 1932 }
2c7da8c5 1933 } else if (dso__needs_decompress(dso)) {
3c84fd53 1934 char tmp[KMOD_DECOMP_LEN];
2c7da8c5 1935
3c84fd53
NK		 1936 if (dso__decompress_kmodule_path(dso, symfs_filename,
1937 tmp, sizeof(tmp)) < 0)
42359499 1938 return -1;
2c7da8c5 1939
2354ae9b 1940 decomp = true;
2c7da8c5 1941 strcpy(symfs_filename, tmp);
afba19d9
AH		 1942 }
1943
6810158d 1944 err = asprintf(&command,
7a4ec938 1945 "%s %s%s --start-address=0x%016" PRIx64
3e6a2a7f 1946 " --stop-address=0x%016" PRIx64
3b0b16bf 1947 " -l -d %s %s %s %c%s%c %s%s -C \"$1\"",
f178fd2d 1948 opts->objdump_path ?: "objdump",
a47e843e
ACM		 1949 opts->disassembler_style ? "-M " : "",
1950 opts->disassembler_style ?: "",
78f7defe 1951 map__rip_2objdump(map, sym->start),
2c241bd3 1952 map__rip_2objdump(map, sym->end),
c5baf908 1953 opts->show_asm_raw ? "" : "--no-show-raw-insn",
3b0b16bf
AK		 1954 opts->annotate_src ? "-S" : "",
1955 opts->prefix ? "--prefix " : "",
1956 opts->prefix ? '"' : ' ',
1957 opts->prefix ?: "",
1958 opts->prefix ? '"' : ' ',
1959 opts->prefix_strip ? "--prefix-strip=" : "",
1960 opts->prefix_strip ?: "");
78f7defe 1961
6810158d
ACM		 1962 if (err < 0) {
1963 pr_err("Failure allocating memory for the command to run\n");
1964 goto out_remove_tmp;
1965 }
1966
78f7defe
ACM		 1967 pr_debug("Executing: %s\n", command);
1968
42359499
IR		 1969 objdump_argv[2] = command;
1970 objdump_argv[4] = symfs_filename;
9955d0be 1971
42359499
IR		 1972 /* Create a pipe to read from for stdout */
1973 memset(&objdump_process, 0, sizeof(objdump_process));
1974 objdump_process.argv = objdump_argv;
1975 objdump_process.out = -1;
1976 if (start_command(&objdump_process)) {
1977 pr_err("Failure starting to run %s\n", command);
1978 err = -1;
1979 goto out_free_command;
9955d0be
ACM		 1980 }
1981
42359499 1982 file = fdopen(objdump_process.out, "r");
62ec9b3f 1983 if (!file) {
9955d0be 1984 pr_err("Failure creating FILE stream for %s\n", command);
62ec9b3f
AK		 1985 /*
1986 * If we were using debug info should retry with
1987 * original binary.
1988 */
42359499
IR		 1989 err = -1;
1990 goto out_close_stdout;
62ec9b3f 1991 }
78f7defe 1992
353dcaa2
IR		 1993 /* Storage for getline. */
1994 line = NULL;
1995 line_len = 0;
1996
62ec9b3f
AK		 1997 nline = 0;
1998 while (!feof(file)) {
7a675de4 1999 const char *match;
b34b45ee 2000 char *expanded_line;
7a675de4 2001
353dcaa2
IR		 2002 if (getline(&line, &line_len, file) < 0 || !line)
2003 break;
2004
7a675de4
IR		 2005 /* Skip lines containing "filename:" */
2006 match = strstr(line, symfs_filename);
2007 if (match && match[strlen(symfs_filename)] == ':')
2008 continue;
2009
b34b45ee
IR		 2010 expanded_line = strim(line);
2011 expanded_line = expand_tabs(expanded_line, &line, &line_len);
2012 if (!expanded_line)
2013 break;
2014
ed7b339f
ACM		 2015 /*
2016 * The source code line number (lineno) needs to be kept in
adba1634 2017 * across calls to symbol__parse_objdump_line(), so that it
ed7b339f
ACM		 2018 * can associate it with the instructions till the next one.
2019 * See disasm_line__new() and struct disasm_line::line_nr.
2020 */
b34b45ee
IR		 2021 if (symbol__parse_objdump_line(sym, args, expanded_line,
2022 &lineno) < 0)
78f7defe 2023 break;
62ec9b3f
AK		 2024 nline++;
2025 }
353dcaa2 2026 free(line);
62ec9b3f 2027
42359499
IR		 2028 err = finish_command(&objdump_process);
2029 if (err)
2030 pr_err("Error running %s\n", command);
2031
2032 if (nline == 0) {
2033 err = -1;
62ec9b3f 2034 pr_err("No output from %s\n", command);
42359499 2035 }
78f7defe 2036
484a5e74
AH		 2037 /*
2038 * kallsyms does not have symbol sizes so there may a nop at the end.
2039 * Remove it.
2040 */
2041 if (dso__is_kcore(dso))
2042 delete_last_nop(sym);
2043
9955d0be 2044 fclose(file);
42359499
IR		 2045
2046out_close_stdout:
2047 close(objdump_process.out);
2048
6810158d
ACM		 2049out_free_command:
2050 free(command);
9955d0be 2051
42359499 2052out_remove_tmp:
2354ae9b 2053 if (decomp)
2c7da8c5 2054 unlink(symfs_filename);
3caee094 2055
afba19d9
AH		 2056 if (delete_extract)
2057 kcore_extract__delete(&kce);
9955d0be 2058
42359499 2059 return err;
78f7defe
ACM		 2060}
2061
48a1e4f2 2062static void calc_percent(struct sym_hist *sym_hist,
75a8c1ff 2063 struct hists *hists,
0440af74 2064 struct annotation_data *data,
073ae601
JO		 2065 s64 offset, s64 end)
2066{
2067 unsigned int hits = 0;
2068 u64 period = 0;
2069
2070 while (offset < end) {
48a1e4f2
JO		 2071 hits += sym_hist->addr[offset].nr_samples;
2072 period += sym_hist->addr[offset].period;
073ae601
JO		 2073 ++offset;
2074 }
2075
48a1e4f2 2076 if (sym_hist->nr_samples) {
0440af74
JO		 2077 data->he.period = period;
2078 data->he.nr_samples = hits;
6d9f0c2d 2079 data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples;
073ae601 2080 }
75a8c1ff
JO		 2081
2082 if (hists->stats.nr_non_filtered_samples)
2083 data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples;
2084
ab371169
JO		 2085 if (sym_hist->period)
2086 data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period;
e58684df
JO		 2087
2088 if (hists->stats.total_period)
2089 data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period;
073ae601
JO		 2090}
2091
9e4e0a9d 2092static void annotation__calc_percent(struct annotation *notes,
32dcd021 2093 struct evsel *leader, s64 len)
073ae601
JO		 2094{
2095 struct annotation_line *al, *next;
32dcd021 2096 struct evsel *evsel;
073ae601
JO		 2097
2098 list_for_each_entry(al, &notes->src->source, node) {
2099 s64 end;
2bcf7306 2100 int i = 0;
073ae601
JO		 2101
2102 if (al->offset == -1)
2103 continue;
2104
2105 next = annotation_line__next(al, &notes->src->source);
2106 end = next ? next->offset : len;
2107
2bcf7306 2108 for_each_group_evsel(evsel, leader) {
75a8c1ff 2109 struct hists *hists = evsel__hists(evsel);
0440af74 2110 struct annotation_data *data;
48a1e4f2 2111 struct sym_hist *sym_hist;
073ae601 2112
2bcf7306
JO		 2113 BUG_ON(i >= al->data_nr);
2114
2115 sym_hist = annotation__histogram(notes, evsel->idx);
2116 data = &al->data[i++];
073ae601 2117
75a8c1ff 2118 calc_percent(sym_hist, hists, data, al->offset, end);
073ae601
JO		 2119 }
2120 }
073ae601
JO		 2121}
2122
32dcd021 2123void symbol__calc_percent(struct symbol *sym, struct evsel *evsel)
073ae601
JO		 2124{
2125 struct annotation *notes = symbol__annotation(sym);
2126
9e4e0a9d 2127 annotation__calc_percent(notes, evsel, symbol__size(sym));
073ae601
JO		 2128}
2129
e0ad4d68 2130int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
29754894 2131 struct annotation_options *options, struct arch **parch)
c34df25b 2132{
29754894 2133 struct symbol *sym = ms->sym;
11db1ad4 2134 struct annotation *notes = symbol__annotation(sym);
ea07c5aa 2135 struct annotate_args args = {
d03a686e 2136 .evsel = evsel,
380195e2 2137 .options = options,
ea07c5aa 2138 };
5449f13c 2139 struct perf_env *env = perf_evsel__env(evsel);
3285deba 2140 const char *arch_name = perf_env__arch(env);
c34df25b
JO		 2141 struct arch *arch;
2142 int err;
2143
c34df25b 2144 if (!arch_name)
a66fa061 2145 return errno;
c34df25b 2146
24fe7b88 2147 args.arch = arch = arch__find(arch_name);
c34df25b 2148 if (arch == NULL)
28f4417c 2149 return ENOTSUP;
c34df25b
JO		 2150
2151 if (parch)
2152 *parch = arch;
2153
2154 if (arch->init) {
5449f13c 2155 err = arch->init(arch, env ? env->cpuid : NULL);
c34df25b
JO		 2156 if (err) {
2157 pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name);
2158 return err;
2159 }
2160 }
2161
29754894
ACM		 2162 args.ms = *ms;
2163 notes->start = map__rip_2objdump(ms->map, sym->start);
85a84e4f 2164
05d3f1a1 2165 return symbol__disassemble(sym, &args);
c34df25b
JO		 2166}
2167
c849c12c
JO		 2168static void insert_source_line(struct rb_root *root, struct annotation_line *al,
2169 struct annotation_options *opts)
78f7defe 2170{
8b4c74dc 2171 struct annotation_line *iter;
78f7defe
ACM		 2172 struct rb_node **p = &root->rb_node;
2173 struct rb_node *parent = NULL;
1491c22a 2174 int i, ret;
78f7defe
ACM		 2175
2176 while (*p != NULL) {
2177 parent = *p;
8b4c74dc 2178 iter = rb_entry(parent, struct annotation_line, rb_node);
78f7defe 2179
8b4c74dc 2180 ret = strcmp(iter->path, al->path);
41127965 2181 if (ret == 0) {
6d9f0c2d
JO		 2182 for (i = 0; i < al->data_nr; i++) {
2183 iter->data[i].percent_sum += annotation_data__percent(&al->data[i],
c849c12c 2184 opts->percent_type);
6d9f0c2d 2185 }
41127965
NK		 2186 return;
2187 }
2188
2189 if (ret < 0)
2190 p = &(*p)->rb_left;
2191 else
2192 p = &(*p)->rb_right;
2193 }
2194
6d9f0c2d
JO		 2195 for (i = 0; i < al->data_nr; i++) {
2196 al->data[i].percent_sum = annotation_data__percent(&al->data[i],
c849c12c 2197 opts->percent_type);
6d9f0c2d 2198 }
41127965 2199
8b4c74dc
JO		 2200 rb_link_node(&al->rb_node, parent, p);
2201 rb_insert_color(&al->rb_node, root);
41127965
NK		 2202}
2203
8b4c74dc 2204static int cmp_source_line(struct annotation_line *a, struct annotation_line *b)
1491c22a
NK		 2205{
2206 int i;
2207
c2f938ba
JO		 2208 for (i = 0; i < a->data_nr; i++) {
2209 if (a->data[i].percent_sum == b->data[i].percent_sum)
1491c22a 2210 continue;
c2f938ba 2211 return a->data[i].percent_sum > b->data[i].percent_sum;
1491c22a
NK		 2212 }
2213
2214 return 0;
2215}
2216
8b4c74dc 2217static void __resort_source_line(struct rb_root *root, struct annotation_line *al)
41127965 2218{
8b4c74dc 2219 struct annotation_line *iter;
41127965
NK		 2220 struct rb_node **p = &root->rb_node;
2221 struct rb_node *parent = NULL;
2222
2223 while (*p != NULL) {
2224 parent = *p;
8b4c74dc 2225 iter = rb_entry(parent, struct annotation_line, rb_node);
41127965 2226
8b4c74dc 2227 if (cmp_source_line(al, iter))
78f7defe
ACM		 2228 p = &(*p)->rb_left;
2229 else
2230 p = &(*p)->rb_right;
2231 }
2232
8b4c74dc
JO		 2233 rb_link_node(&al->rb_node, parent, p);
2234 rb_insert_color(&al->rb_node, root);
78f7defe
ACM		 2235}
2236
41127965
NK		 2237static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root)
2238{
8b4c74dc 2239 struct annotation_line *al;
41127965
NK		 2240 struct rb_node *node;
2241
2242 node = rb_first(src_root);
2243 while (node) {
2244 struct rb_node *next;
2245
8b4c74dc 2246 al = rb_entry(node, struct annotation_line, rb_node);
41127965
NK		 2247 next = rb_next(node);
2248 rb_erase(node, src_root);
2249
8b4c74dc 2250 __resort_source_line(dest_root, al);
41127965
NK		 2251 node = next;
2252 }
2253}
2254
78f7defe
ACM		 2255static void print_summary(struct rb_root *root, const char *filename)
2256{
8b4c74dc 2257 struct annotation_line *al;
78f7defe
ACM		 2258 struct rb_node *node;
2259
2260 printf("\nSorted summary for file %s\n", filename);
2261 printf("----------------------------------------------\n\n");
2262
2263 if (RB_EMPTY_ROOT(root)) {
2264 printf(" Nothing higher than %1.1f%%\n", MIN_GREEN);
2265 return;
2266 }
2267
2268 node = rb_first(root);
2269 while (node) {
1491c22a 2270 double percent, percent_max = 0.0;
78f7defe
ACM		 2271 const char *color;
2272 char *path;
1491c22a 2273 int i;
78f7defe 2274
8b4c74dc 2275 al = rb_entry(node, struct annotation_line, rb_node);
c2f938ba
JO		 2276 for (i = 0; i < al->data_nr; i++) {
2277 percent = al->data[i].percent_sum;
1491c22a
NK		 2278 color = get_percent_color(percent);
2279 color_fprintf(stdout, color, " %7.2f", percent);
2280
2281 if (percent > percent_max)
2282 percent_max = percent;
2283 }
2284
8b4c74dc 2285 path = al->path;
1491c22a 2286 color = get_percent_color(percent_max);
f048d548 2287 color_fprintf(stdout, color, " %s\n", path);
78f7defe 2288
78f7defe
ACM		 2289 node = rb_next(node);
2290 }
2291}
2292
32dcd021 2293static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel)
78f7defe
ACM		 2294{
2295 struct annotation *notes = symbol__annotation(sym);
db8fd07a 2296 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
1b2e2df4 2297 u64 len = symbol__size(sym), offset;
78f7defe
ACM		 2298
2299 for (offset = 0; offset < len; ++offset)
896bccd3 2300 if (h->addr[offset].nr_samples != 0)
78f7defe 2301 printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2,
896bccd3 2302 sym->start + offset, h->addr[offset].nr_samples);
8158683d 2303 printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples);
78f7defe
ACM		 2304}
2305
f48e7c40
JO		 2306static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start)
2307{
2308 char bf[32];
2309 struct annotation_line *line;
2310
2311 list_for_each_entry_reverse(line, lines, node) {
2312 if (line->offset != -1)
2313 return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset);
2314 }
2315
2316 return 0;
2317}
2318
29754894 2319int symbol__annotate_printf(struct map_symbol *ms, struct evsel *evsel,
982d410b 2320 struct annotation_options *opts)
78f7defe 2321{
29754894
ACM		 2322 struct map *map = ms->map;
2323 struct symbol *sym = ms->sym;
78f7defe 2324 struct dso *dso = map->dso;
bfd14b9a
DA		 2325 char *filename;
2326 const char *d_filename;
9cdbadce 2327 const char *evsel_name = perf_evsel__name(evsel);
ce6f4fab 2328 struct annotation *notes = symbol__annotation(sym);
135cce1b 2329 struct sym_hist *h = annotation__histogram(notes, evsel->idx);
8f25b819 2330 struct annotation_line *pos, *queue = NULL;
058b4cc9 2331 u64 start = map__rip_2objdump(map, sym->start);
f48e7c40 2332 int printed = 2, queue_len = 0, addr_fmt_width;
36532461 2333 int more = 0;
982d410b 2334 bool context = opts->context;
78f7defe 2335 u64 len;
ce9ee4a2 2336 int width = symbol_conf.show_total_period ? 12 : 8;
53dd9b5f 2337 int graph_dotted_len;
787e4da9 2338 char buf[512];
78f7defe 2339
bfd14b9a
DA		 2340 filename = strdup(dso->long_name);
2341 if (!filename)
2342 return -ENOMEM;
2343
982d410b 2344 if (opts->full_path)
78f7defe
ACM		 2345 d_filename = filename;
2346 else
2347 d_filename = basename(filename);
2348
1b2e2df4 2349 len = symbol__size(sym);
b1dd4432 2350
787e4da9 2351 if (perf_evsel__is_group_event(evsel)) {
5643b1a5 2352 width *= evsel->core.nr_members;
787e4da9
JY		 2353 perf_evsel__group_desc(evsel, buf, sizeof(buf));
2354 evsel_name = buf;
2355 }
78f7defe 2356
4c04868f
JO		 2357 graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples, "
2358 "percent: %s)\n",
1ac39372
TS		 2359 width, width, symbol_conf.show_total_period ? "Period" :
2360 symbol_conf.show_nr_samples ? "Samples" : "Percent",
4c04868f
JO		 2361 d_filename, evsel_name, h->nr_samples,
2362 percent_type_str(opts->percent_type));
9cdbadce 2363
53dd9b5f 2364 printf("%-*.*s----\n",
9cdbadce 2365 graph_dotted_len, graph_dotted_len, graph_dotted_line);
78f7defe 2366
bb963e16 2367 if (verbose > 0)
db8fd07a 2368 symbol__annotate_hits(sym, evsel);
78f7defe 2369
f48e7c40
JO		 2370 addr_fmt_width = annotated_source__addr_fmt_width(&notes->src->source, start);
2371
8f25b819
JO		 2372 list_for_each_entry(pos, &notes->src->source, node) {
2373 int err;
2374
d5e3d747
ACM		 2375 if (context && queue == NULL) {
2376 queue = pos;
2377 queue_len = 0;
2378 }
2379
8f25b819 2380 err = annotation_line__print(pos, sym, start, evsel, len,
982d410b 2381 opts->min_pcnt, printed, opts->max_lines,
796ca33d 2382 queue, addr_fmt_width, opts->percent_type);
8f25b819
JO		 2383
2384 switch (err) {
36532461
ACM		 2385 case 0:
2386 ++printed;
d5e3d747
ACM		 2387 if (context) {
2388 printed += queue_len;
2389 queue = NULL;
2390 queue_len = 0;
2391 }
36532461
ACM		 2392 break;
2393 case 1:
2394 /* filtered by max_lines */
2395 ++more;
d040bd36 2396 break;
36532461
ACM		 2397 case -1:
2398 default:
d5e3d747
ACM		 2399 /*
2400 * Filtered by min_pcnt or non IP lines when
2401 * context != 0
2402 */
2403 if (!context)
2404 break;
2405 if (queue_len == context)
8f25b819 2406 queue = list_entry(queue->node.next, typeof(*queue), node);
d5e3d747
ACM		 2407 else
2408 ++queue_len;
36532461
ACM		 2409 break;
2410 }
2411 }
2412
bfd14b9a
DA		 2413 free(filename);
2414
36532461
ACM		 2415 return more;
2416}
f1e2701d 2417
befd2a38
ACM		 2418static void FILE__set_percent_color(void *fp __maybe_unused,
2419 double percent __maybe_unused,
2420 bool current __maybe_unused)
2421{
2422}
2423
2424static int FILE__set_jumps_percent_color(void *fp __maybe_unused,
2425 int nr __maybe_unused, bool current __maybe_unused)
2426{
2427 return 0;
2428}
2429
2430static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused)
2431{
2432 return 0;
2433}
2434
2435static void FILE__printf(void *fp, const char *fmt, ...)
2436{
2437 va_list args;
2438
2439 va_start(args, fmt);
2440 vfprintf(fp, fmt, args);
2441 va_end(args);
2442}
2443
2444static void FILE__write_graph(void *fp, int graph)
2445{
2446 const char *s;
2447 switch (graph) {
2448
2449 case DARROW_CHAR: s = "↓"; break;
2450 case UARROW_CHAR: s = "↑"; break;
2451 case LARROW_CHAR: s = "←"; break;
2452 case RARROW_CHAR: s = "→"; break;
2453 default: s = "?"; break;
2454 }
2455
2456 fputs(s, fp);
2457}
2458
4c650ddc
JO		 2459static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp,
2460 struct annotation_options *opts)
befd2a38
ACM		 2461{
2462 struct annotation *notes = symbol__annotation(sym);
4c650ddc 2463 struct annotation_write_ops wops = {
befd2a38
ACM		 2464 .first_line = true,
2465 .obj = fp,
2466 .set_color = FILE__set_color,
2467 .set_percent_color = FILE__set_percent_color,
2468 .set_jumps_percent_color = FILE__set_jumps_percent_color,
2469 .printf = FILE__printf,
2470 .write_graph = FILE__write_graph,
2471 };
2472 struct annotation_line *al;
2473
2474 list_for_each_entry(al, &notes->src->source, node) {
2475 if (annotation_line__filter(al, notes))
2476 continue;
4c650ddc 2477 annotation_line__write(al, notes, &wops, opts);
befd2a38 2478 fputc('\n', fp);
4c650ddc 2479 wops.first_line = false;
befd2a38
ACM		 2480 }
2481
2482 return 0;
2483}
2484
32dcd021 2485int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel,
4c650ddc 2486 struct annotation_options *opts)
d9bd7665
ACM		 2487{
2488 const char *ev_name = perf_evsel__name(evsel);
2489 char buf[1024];
2490 char *filename;
2491 int err = -1;
2492 FILE *fp;
2493
2494 if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0)
2495 return -1;
2496
2497 fp = fopen(filename, "w");
2498 if (fp == NULL)
2499 goto out_free_filename;
2500
2501 if (perf_evsel__is_group_event(evsel)) {
2502 perf_evsel__group_desc(evsel, buf, sizeof(buf));
2503 ev_name = buf;
2504 }
2505
2506 fprintf(fp, "%s() %s\nEvent: %s\n\n",
2507 ms->sym->name, ms->map->dso->long_name, ev_name);
4c650ddc 2508 symbol__annotate_fprintf2(ms->sym, fp, opts);
d9bd7665
ACM		 2509
2510 fclose(fp);
2511 err = 0;
2512out_free_filename:
2513 free(filename);
2514 return err;
2515}
2516
36532461
ACM		 2517void symbol__annotate_zero_histogram(struct symbol *sym, int evidx)
2518{
2519 struct annotation *notes = symbol__annotation(sym);
2520 struct sym_hist *h = annotation__histogram(notes, evidx);
2521
ce6f4fab 2522 memset(h, 0, notes->src->sizeof_sym_hist);
36532461
ACM		 2523}
2524
ce6f4fab 2525void symbol__annotate_decay_histogram(struct symbol *sym, int evidx)
36532461
ACM		 2526{
2527 struct annotation *notes = symbol__annotation(sym);
2528 struct sym_hist *h = annotation__histogram(notes, evidx);
1b2e2df4 2529 int len = symbol__size(sym), offset;
36532461 2530
8158683d 2531 h->nr_samples = 0;
8b84a568 2532 for (offset = 0; offset < len; ++offset) {
896bccd3 2533 h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8;
8158683d 2534 h->nr_samples += h->addr[offset].nr_samples;
f1e2701d
ACM		 2535 }
2536}
2537
f8eb37bd 2538void annotated_source__purge(struct annotated_source *as)
f1e2701d 2539{
f8eb37bd 2540 struct annotation_line *al, *n;
f1e2701d 2541
f8eb37bd 2542 list_for_each_entry_safe(al, n, &as->source, node) {
e56fbc9d 2543 list_del_init(&al->node);
f8eb37bd 2544 disasm_line__free(disasm_line(al));
f1e2701d
ACM		 2545 }
2546}
2547
5145418b
ACM		 2548static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp)
2549{
2550 size_t printed;
2551
d5490b96
JO		 2552 if (dl->al.offset == -1)
2553 return fprintf(fp, "%s\n", dl->al.line);
5145418b 2554
d5490b96 2555 printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name);
5145418b 2556
c7e6ead7 2557 if (dl->ops.raw[0] != '\0') {
5145418b 2558 printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ",
c7e6ead7 2559 dl->ops.raw);
5145418b
ACM		 2560 }
2561
2562 return printed + fprintf(fp, "\n");
2563}
2564
2565size_t disasm__fprintf(struct list_head *head, FILE *fp)
2566{
2567 struct disasm_line *pos;
2568 size_t printed = 0;
2569
a17c4ca0 2570 list_for_each_entry(pos, head, al.node)
5145418b
ACM		 2571 printed += disasm_line__fprintf(pos, fp);
2572
2573 return printed;
2574}
2575
2eff0611 2576bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym)
0db45bcf
ACM		 2577{
2578 if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) ||
2eff0611 2579 !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 ||
0db45bcf
ACM		 2580 dl->ops.target.offset >= (s64)symbol__size(sym))
2581 return false;
2582
2583 return true;
2584}
2585
2586void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym)
2587{
2588 u64 offset, size = symbol__size(sym);
2589
2590 /* PLT symbols contain external offsets */
2591 if (strstr(sym->name, "@plt"))
2592 return;
2593
2594 for (offset = 0; offset < size; ++offset) {
2595 struct annotation_line *al = notes->offsets[offset];
2596 struct disasm_line *dl;
2597
2598 dl = disasm_line(al);
2599
2eff0611 2600 if (!disasm_line__is_valid_local_jump(dl, sym))
0db45bcf
ACM		 2601 continue;
2602
2603 al = notes->offsets[dl->ops.target.offset];
2604
2605 /*
2606 * FIXME: Oops, no jump target? Buggy disassembler? Or do we
2607 * have to adjust to the previous offset?
2608 */
2609 if (al == NULL)
2610 continue;
2611
2612 if (++al->jump_sources > notes->max_jump_sources)
2613 notes->max_jump_sources = al->jump_sources;
2614
2615 ++notes->nr_jumps;
2616 }
2617}
2618
5bc49f61
ACM		 2619void annotation__set_offsets(struct annotation *notes, s64 size)
2620{
2621 struct annotation_line *al;
2622
2623 notes->max_line_len = 0;
2624
2625 list_for_each_entry(al, &notes->src->source, node) {
2626 size_t line_len = strlen(al->line);
2627
2628 if (notes->max_line_len < line_len)
2629 notes->max_line_len = line_len;
2630 al->idx = notes->nr_entries++;
2631 if (al->offset != -1) {
2632 al->idx_asm = notes->nr_asm_entries++;
2633 /*
2634 * FIXME: short term bandaid to cope with assembly
2635 * routines that comes with labels in the same column
2636 * as the address in objdump, sigh.
2637 *
2638 * E.g. copy_user_generic_unrolled
2639 */
2640 if (al->offset < size)
2641 notes->offsets[al->offset] = al;
2642 } else
2643 al->idx_asm = -1;
2644 }
2645}
2646
b8b0d819
ACM		 2647static inline int width_jumps(int n)
2648{
2649 if (n >= 100)
2650 return 5;
2651 if (n / 10)
2652 return 2;
2653 return 1;
2654}
2655
bc3bb795
ACM		 2656static int annotation__max_ins_name(struct annotation *notes)
2657{
2658 int max_name = 0, len;
2659 struct annotation_line *al;
2660
2661 list_for_each_entry(al, &notes->src->source, node) {
2662 if (al->offset == -1)
2663 continue;
2664
2665 len = strlen(disasm_line(al)->ins.name);
2666 if (max_name < len)
2667 max_name = len;
2668 }
2669
2670 return max_name;
2671}
2672
b8b0d819
ACM		 2673void annotation__init_column_widths(struct annotation *notes, struct symbol *sym)
2674{
2675 notes->widths.addr = notes->widths.target =
2676 notes->widths.min_addr = hex_width(symbol__size(sym));
2677 notes->widths.max_addr = hex_width(sym->end);
2678 notes->widths.jumps = width_jumps(notes->max_jump_sources);
bc3bb795 2679 notes->widths.max_ins_name = annotation__max_ins_name(notes);
b8b0d819
ACM		 2680}
2681
7232bf7a
ACM		 2682void annotation__update_column_widths(struct annotation *notes)
2683{
2684 if (notes->options->use_offset)
2685 notes->widths.target = notes->widths.min_addr;
2686 else
2687 notes->widths.target = notes->widths.max_addr;
2688
2689 notes->widths.addr = notes->widths.target;
2690
2691 if (notes->options->show_nr_jumps)
2692 notes->widths.addr += notes->widths.jumps + 1;
2693}
2694
8b4c74dc 2695static void annotation__calc_lines(struct annotation *notes, struct map *map,
c849c12c
JO		 2696 struct rb_root *root,
2697 struct annotation_options *opts)
8b4c74dc
JO		 2698{
2699 struct annotation_line *al;
2700 struct rb_root tmp_root = RB_ROOT;
2701
2702 list_for_each_entry(al, &notes->src->source, node) {
2703 double percent_max = 0.0;
2704 int i;
2705
c2f938ba 2706 for (i = 0; i < al->data_nr; i++) {
6d9f0c2d 2707 double percent;
8b4c74dc 2708
6d9f0c2d 2709 percent = annotation_data__percent(&al->data[i],
c849c12c 2710 opts->percent_type);
8b4c74dc 2711
6d9f0c2d
JO		 2712 if (percent > percent_max)
2713 percent_max = percent;
8b4c74dc
JO		 2714 }
2715
2716 if (percent_max <= 0.5)
2717 continue;
2718
425859ff
ACM		 2719 al->path = get_srcline(map->dso, notes->start + al->offset, NULL,
2720 false, true, notes->start + al->offset);
c849c12c 2721 insert_source_line(&tmp_root, al, opts);
8b4c74dc
JO		 2722 }
2723
2724 resort_source_line(root, &tmp_root);
2725}
2726
29754894 2727static void symbol__calc_lines(struct map_symbol *ms, struct rb_root *root,
c849c12c 2728 struct annotation_options *opts)
8b4c74dc 2729{
29754894 2730 struct annotation *notes = symbol__annotation(ms->sym);
8b4c74dc 2731
29754894 2732 annotation__calc_lines(notes, ms->map, root, opts);
8b4c74dc
JO		 2733}
2734
29754894 2735int symbol__tty_annotate2(struct map_symbol *ms, struct evsel *evsel,
982d410b 2736 struct annotation_options *opts)
befd2a38 2737{
29754894
ACM		 2738 struct dso *dso = ms->map->dso;
2739 struct symbol *sym = ms->sym;
befd2a38 2740 struct rb_root source_line = RB_ROOT;
0683d13c 2741 struct hists *hists = evsel__hists(evsel);
864298f2 2742 char buf[1024];
befd2a38 2743
29754894 2744 if (symbol__annotate2(ms, evsel, opts, NULL) < 0)
befd2a38
ACM		 2745 return -1;
2746
982d410b
ACM		 2747 if (opts->print_lines) {
2748 srcline_full_filename = opts->full_path;
29754894 2749 symbol__calc_lines(ms, &source_line, opts);
befd2a38
ACM		 2750 print_summary(&source_line, dso->long_name);
2751 }
2752
0683d13c 2753 hists__scnprintf_title(hists, buf, sizeof(buf));
4c04868f
JO		 2754 fprintf(stdout, "%s, [percent: %s]\n%s() %s\n",
2755 buf, percent_type_str(opts->percent_type), sym->name, dso->long_name);
4c650ddc 2756 symbol__annotate_fprintf2(sym, stdout, opts);
befd2a38
ACM		 2757
2758 annotated_source__purge(symbol__annotation(sym)->src);
2759
2760 return 0;
2761}
2762
29754894 2763int symbol__tty_annotate(struct map_symbol *ms, struct evsel *evsel,
982d410b 2764 struct annotation_options *opts)
f1e2701d 2765{
29754894
ACM		 2766 struct dso *dso = ms->map->dso;
2767 struct symbol *sym = ms->sym;
f1e2701d 2768 struct rb_root source_line = RB_ROOT;
f1e2701d 2769
e0ad4d68 2770 if (symbol__annotate(ms, evsel, opts, NULL) < 0)
f1e2701d
ACM		 2771 return -1;
2772
05d3f1a1
JO		 2773 symbol__calc_percent(sym, evsel);
2774
982d410b
ACM		 2775 if (opts->print_lines) {
2776 srcline_full_filename = opts->full_path;
29754894 2777 symbol__calc_lines(ms, &source_line, opts);
86c98cab 2778 print_summary(&source_line, dso->long_name);
78f7defe
ACM		 2779 }
2780
29754894 2781 symbol__annotate_printf(ms, evsel, opts);
78f7defe 2782
f8eb37bd 2783 annotated_source__purge(symbol__annotation(sym)->src);
f1e2701d 2784
78f7defe
ACM		 2785 return 0;
2786}
f626adff 2787
48c65bda
NK		 2788bool ui__has_annotation(void)
2789{
2e0453af 2790 return use_browser == 1 && perf_hpp_list.sym;
48c65bda 2791}
ecda45bd 2792
2f025ea0 2793
5ecf7d30 2794static double annotation_line__max_percent(struct annotation_line *al,
4c650ddc
JO		 2795 struct annotation *notes,
2796 unsigned int percent_type)
2f025ea0
ACM		 2797{
2798 double percent_max = 0.0;
2799 int i;
2800
2801 for (i = 0; i < notes->nr_events; i++) {
6d9f0c2d
JO		 2802 double percent;
2803
2804 percent = annotation_data__percent(&al->data[i],
4c650ddc 2805 percent_type);
6d9f0c2d
JO		 2806
2807 if (percent > percent_max)
2808 percent_max = percent;
2f025ea0
ACM		 2809 }
2810
2811 return percent_max;
2812}
2813
a1e9b74c
ACM		 2814static void disasm_line__write(struct disasm_line *dl, struct annotation *notes,
2815 void *obj, char *bf, size_t size,
2816 void (*obj__printf)(void *obj, const char *fmt, ...),
2817 void (*obj__write_graph)(void *obj, int graph))
2818{
2819 if (dl->ins.ops && dl->ins.ops->scnprintf) {
2820 if (ins__is_jump(&dl->ins)) {
751b1783 2821 bool fwd;
a1e9b74c 2822
751b1783
ACM		 2823 if (dl->ops.target.outside)
2824 goto call_like;
2825 fwd = dl->ops.target.offset > dl->al.offset;
a1e9b74c
ACM		 2826 obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR);
2827 obj__printf(obj, " ");
2828 } else if (ins__is_call(&dl->ins)) {
751b1783 2829call_like:
a1e9b74c
ACM		 2830 obj__write_graph(obj, RARROW_CHAR);
2831 obj__printf(obj, " ");
2832 } else if (ins__is_ret(&dl->ins)) {
2833 obj__write_graph(obj, LARROW_CHAR);
2834 obj__printf(obj, " ");
2835 } else {
2836 obj__printf(obj, " ");
2837 }
2838 } else {
2839 obj__printf(obj, " ");
2840 }
2841
bc3bb795 2842 disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name);
a1e9b74c
ACM		 2843}
2844
ace4f8fa
JY		 2845static void ipc_coverage_string(char *bf, int size, struct annotation *notes)
2846{
2847 double ipc = 0.0, coverage = 0.0;
2848
2849 if (notes->hit_cycles)
2850 ipc = notes->hit_insn / ((double)notes->hit_cycles);
2851
2852 if (notes->total_insn) {
2853 coverage = notes->cover_insn * 100.0 /
2854 ((double)notes->total_insn);
2855 }
2856
2857 scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)",
2858 ipc, coverage);
2859}
2860
c298304b
ACM		 2861static void __annotation_line__write(struct annotation_line *al, struct annotation *notes,
2862 bool first_line, bool current_entry, bool change_color, int width,
4c650ddc 2863 void *obj, unsigned int percent_type,
c298304b
ACM		 2864 int (*obj__set_color)(void *obj, int color),
2865 void (*obj__set_percent_color)(void *obj, double percent, bool current),
2866 int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current),
2867 void (*obj__printf)(void *obj, const char *fmt, ...),
2868 void (*obj__write_graph)(void *obj, int graph))
2869
2ba5eca1 2870{
4c650ddc 2871 double percent_max = annotation_line__max_percent(al, notes, percent_type);
a1e9b74c
ACM		 2872 int pcnt_width = annotation__pcnt_width(notes),
2873 cycles_width = annotation__cycles_width(notes);
2ba5eca1 2874 bool show_title = false;
a1e9b74c
ACM		 2875 char bf[256];
2876 int printed;
2ba5eca1
ACM		 2877
2878 if (first_line && (al->offset == -1 || percent_max == 0.0)) {
2879 if (notes->have_cycles) {
2880 if (al->ipc == 0.0 && al->cycles == 0)
2881 show_title = true;
2882 } else
2883 show_title = true;
2884 }
2885
2ba5eca1
ACM		 2886 if (al->offset != -1 && percent_max != 0.0) {
2887 int i;
2888
2889 for (i = 0; i < notes->nr_events; i++) {
6d9f0c2d
JO		 2890 double percent;
2891
4c650ddc 2892 percent = annotation_data__percent(&al->data[i], percent_type);
6d9f0c2d
JO		 2893
2894 obj__set_percent_color(obj, percent, current_entry);
68aac855 2895 if (symbol_conf.show_total_period) {
c2f938ba 2896 obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period);
46ccb442 2897 } else if (symbol_conf.show_nr_samples) {
2ba5eca1 2898 obj__printf(obj, "%6" PRIu64 " ",
c2f938ba 2899 al->data[i].he.nr_samples);
2ba5eca1 2900 } else {
6d9f0c2d 2901 obj__printf(obj, "%6.2f ", percent);
2ba5eca1
ACM		 2902 }
2903 }
2904 } else {
2ba5eca1
ACM		 2905 obj__set_percent_color(obj, 0, current_entry);
2906
2907 if (!show_title)
a1e9b74c 2908 obj__printf(obj, "%-*s", pcnt_width, " ");
2ba5eca1 2909 else {
a1e9b74c 2910 obj__printf(obj, "%-*s", pcnt_width,
68aac855 2911 symbol_conf.show_total_period ? "Period" :
46ccb442 2912 symbol_conf.show_nr_samples ? "Samples" : "Percent");
2ba5eca1
ACM		 2913 }
2914 }
2915
2916 if (notes->have_cycles) {
2917 if (al->ipc)
2918 obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc);
2919 else if (!show_title)
2920 obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " ");
2921 else
2922 obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC");
2923
3e71fc03
JY		 2924 if (!notes->options->show_minmax_cycle) {
2925 if (al->cycles)
2926 obj__printf(obj, "%*" PRIu64 " ",
2ba5eca1 2927 ANNOTATION__CYCLES_WIDTH - 1, al->cycles);
3e71fc03
JY		 2928 else if (!show_title)
2929 obj__printf(obj, "%*s",
2930 ANNOTATION__CYCLES_WIDTH, " ");
2931 else
2932 obj__printf(obj, "%*s ",
2933 ANNOTATION__CYCLES_WIDTH - 1,
2934 "Cycle");
2935 } else {
2936 if (al->cycles) {
2937 char str[32];
2938
2939 scnprintf(str, sizeof(str),
2940 "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")",
2941 al->cycles, al->cycles_min,
2942 al->cycles_max);
2943
2944 obj__printf(obj, "%*s ",
2945 ANNOTATION__MINMAX_CYCLES_WIDTH - 1,
2946 str);
2947 } else if (!show_title)
2948 obj__printf(obj, "%*s",
2949 ANNOTATION__MINMAX_CYCLES_WIDTH,
2950 " ");
2951 else
2952 obj__printf(obj, "%*s ",
2953 ANNOTATION__MINMAX_CYCLES_WIDTH - 1,
2954 "Cycle(min/max)");
2955 }
ace4f8fa
JY		 2956
2957 if (show_title && !*al->line) {
2958 ipc_coverage_string(bf, sizeof(bf), notes);
2959 obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf);
2960 }
2ba5eca1
ACM		 2961 }
2962
2963 obj__printf(obj, " ");
a1e9b74c
ACM		 2964
2965 if (!*al->line)
2966 obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " ");
2967 else if (al->offset == -1) {
2968 if (al->line_nr && notes->options->show_linenr)
2969 printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr);
2970 else
2971 printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " ");
2972 obj__printf(obj, bf);
2973 obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line);
2974 } else {
2975 u64 addr = al->offset;
2976 int color = -1;
2977
2978 if (!notes->options->use_offset)
2979 addr += notes->start;
2980
2981 if (!notes->options->use_offset) {
2982 printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr);
2983 } else {
592c10e2
ACM		 2984 if (al->jump_sources &&
2985 notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) {
a1e9b74c
ACM		 2986 if (notes->options->show_nr_jumps) {
2987 int prev;
2988 printed = scnprintf(bf, sizeof(bf), "%*d ",
2989 notes->widths.jumps,
2990 al->jump_sources);
2991 prev = obj__set_jumps_percent_color(obj, al->jump_sources,
2992 current_entry);
2993 obj__printf(obj, bf);
2994 obj__set_color(obj, prev);
2995 }
592c10e2 2996print_addr:
a1e9b74c
ACM		 2997 printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ",
2998 notes->widths.target, addr);
592c10e2
ACM		 2999 } else if (ins__is_call(&disasm_line(al)->ins) &&
3000 notes->options->offset_level >= ANNOTATION__OFFSET_CALL) {
3001 goto print_addr;
3002 } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) {
3003 goto print_addr;
a1e9b74c
ACM		 3004 } else {
3005 printed = scnprintf(bf, sizeof(bf), "%-*s ",
3006 notes->widths.addr, " ");
3007 }
3008 }
3009
3010 if (change_color)
3011 color = obj__set_color(obj, HE_COLORSET_ADDR);
3012 obj__printf(obj, bf);
3013 if (change_color)
3014 obj__set_color(obj, color);
3015
3016 disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph);
3017
3018 obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf);
3019 }
3020
2ba5eca1
ACM		 3021}
3022
c298304b 3023void annotation_line__write(struct annotation_line *al, struct annotation *notes,
4c650ddc
JO		 3024 struct annotation_write_ops *wops,
3025 struct annotation_options *opts)
c298304b 3026{
4c650ddc
JO		 3027 __annotation_line__write(al, notes, wops->first_line, wops->current_entry,
3028 wops->change_color, wops->width, wops->obj,
3029 opts->percent_type,
3030 wops->set_color, wops->set_percent_color,
3031 wops->set_jumps_percent_color, wops->printf,
3032 wops->write_graph);
c298304b
ACM		 3033}
3034
29754894 3035int symbol__annotate2(struct map_symbol *ms, struct evsel *evsel,
ecda45bd
ACM		 3036 struct annotation_options *options, struct arch **parch)
3037{
29754894 3038 struct symbol *sym = ms->sym;
ecda45bd
ACM		 3039 struct annotation *notes = symbol__annotation(sym);
3040 size_t size = symbol__size(sym);
3041 int nr_pcnt = 1, err;
3042
3043 notes->offsets = zalloc(size * sizeof(struct annotation_line *));
3044 if (notes->offsets == NULL)
16ed3c1e 3045 return ENOMEM;
ecda45bd
ACM		 3046
3047 if (perf_evsel__is_group_event(evsel))
5643b1a5 3048 nr_pcnt = evsel->core.nr_members;
ecda45bd 3049
e0ad4d68 3050 err = symbol__annotate(ms, evsel, options, parch);
ecda45bd
ACM		 3051 if (err)
3052 goto out_free_offsets;
3053
3054 notes->options = options;
3055
3056 symbol__calc_percent(sym, evsel);
3057
ecda45bd
ACM		 3058 annotation__set_offsets(notes, size);
3059 annotation__mark_jump_targets(notes, sym);
3060 annotation__compute_ipc(notes, size);
3061 annotation__init_column_widths(notes, sym);
3062 notes->nr_events = nr_pcnt;
3063
3064 annotation__update_column_widths(notes);
246fda09 3065 sym->annotate2 = true;
ecda45bd
ACM		 3066
3067 return 0;
3068
3069out_free_offsets:
3070 zfree(&notes->offsets);
211f493b 3071 return err;
ecda45bd 3072}
7f0b6fde 3073
7384083b 3074static int annotation__config(const char *var, const char *value, void *data)
7f0b6fde 3075{
7384083b 3076 struct annotation_options *opt = data;
7f0b6fde
ACM		 3077
3078 if (!strstarts(var, "annotate."))
3079 return 0;
3080
7384083b
RB		 3081 if (!strcmp(var, "annotate.offset_level")) {
3082 perf_config_u8(&opt->offset_level, "offset_level", value);
3083
3084 if (opt->offset_level > ANNOTATION__MAX_OFFSET_LEVEL)
3085 opt->offset_level = ANNOTATION__MAX_OFFSET_LEVEL;
3086 else if (opt->offset_level < ANNOTATION__MIN_OFFSET_LEVEL)
3087 opt->offset_level = ANNOTATION__MIN_OFFSET_LEVEL;
3088 } else if (!strcmp(var, "annotate.hide_src_code")) {
3089 opt->hide_src_code = perf_config_bool("hide_src_code", value);
3090 } else if (!strcmp(var, "annotate.jump_arrows")) {
3091 opt->jump_arrows = perf_config_bool("jump_arrows", value);
3092 } else if (!strcmp(var, "annotate.show_linenr")) {
3093 opt->show_linenr = perf_config_bool("show_linenr", value);
3094 } else if (!strcmp(var, "annotate.show_nr_jumps")) {
3095 opt->show_nr_jumps = perf_config_bool("show_nr_jumps", value);
3096 } else if (!strcmp(var, "annotate.show_nr_samples")) {
3097 symbol_conf.show_nr_samples = perf_config_bool("show_nr_samples",
3098 value);
3099 } else if (!strcmp(var, "annotate.show_total_period")) {
3100 symbol_conf.show_total_period = perf_config_bool("show_total_period",
3101 value);
3102 } else if (!strcmp(var, "annotate.use_offset")) {
3103 opt->use_offset = perf_config_bool("use_offset", value);
43c40231 3104 } else {
7384083b 3105 pr_debug("%s variable unknown, ignoring...", var);
43c40231 3106 }
7384083b 3107
7f0b6fde
ACM		 3108 return 0;
3109}
3110
7384083b 3111void annotation_config__init(struct annotation_options *opt)
7f0b6fde 3112{
7384083b 3113 perf_config(annotation__config, opt);
7f0b6fde 3114}
88c21190
JO		 3115
3116static unsigned int parse_percent_type(char *str1, char *str2)
3117{
3118 unsigned int type = (unsigned int) -1;
3119
3120 if (!strcmp("period", str1)) {
3121 if (!strcmp("local", str2))
3122 type = PERCENT_PERIOD_LOCAL;
3123 else if (!strcmp("global", str2))
3124 type = PERCENT_PERIOD_GLOBAL;
3125 }
3126
3127 if (!strcmp("hits", str1)) {
3128 if (!strcmp("local", str2))
3129 type = PERCENT_HITS_LOCAL;
3130 else if (!strcmp("global", str2))
3131 type = PERCENT_HITS_GLOBAL;
3132 }
3133
3134 return type;
3135}
3136
3137int annotate_parse_percent_type(const struct option *opt, const char *_str,
3138 int unset __maybe_unused)
3139{
3140 struct annotation_options *opts = opt->value;
3141 unsigned int type;
3142 char *str1, *str2;
3143 int err = -1;
3144
3145 str1 = strdup(_str);
3146 if (!str1)
3147 return -ENOMEM;
3148
3149 str2 = strchr(str1, '-');
3150 if (!str2)
3151 goto out;
3152
3153 *str2++ = 0;
3154
3155 type = parse_percent_type(str1, str2);
3156 if (type == (unsigned int) -1)
3157 type = parse_percent_type(str2, str1);
3158 if (type != (unsigned int) -1) {
3159 opts->percent_type = type;
3160 err = 0;
3161 }
3162
3163out:
3164 free(str1);
3165 return err;
3166}
3b0b16bf
AK		 3167
3168int annotate_check_args(struct annotation_options *args)
3169{
3170 if (args->prefix_strip && !args->prefix) {
3171 pr_err("--prefix-strip requires --prefix\n");
3172 return -1;
3173 }
3174 return 0;
3175}
Linux 6.x block layer and io_uring tree(s)