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Commit | Line | Data |
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78f7defe ACM |
1 | /* |
2 | * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
3 | * | |
4 | * Parts came from builtin-annotate.c, see those files for further | |
5 | * copyright notes. | |
6 | * | |
7 | * Released under the GPL v2. (and only v2, not any later version) | |
8 | */ | |
9 | ||
10 | #include "util.h" | |
48c65bda NK |
11 | #include "ui/ui.h" |
12 | #include "sort.h" | |
78f7defe ACM |
13 | #include "build-id.h" |
14 | #include "color.h" | |
15 | #include "cache.h" | |
16 | #include "symbol.h" | |
17 | #include "debug.h" | |
18 | #include "annotate.h" | |
db8fd07a | 19 | #include "evsel.h" |
70fbe057 | 20 | #include "block-range.h" |
786c1b51 | 21 | #include "arch/common.h" |
e592488c | 22 | #include <regex.h> |
ce6f4fab | 23 | #include <pthread.h> |
4383db88 | 24 | #include <linux/bitops.h> |
786c1b51 | 25 | #include <sys/utsname.h> |
78f7defe | 26 | |
f69b64f7 | 27 | const char *disassembler_style; |
7a4ec938 | 28 | const char *objdump_path; |
e592488c | 29 | static regex_t file_lineno; |
f69b64f7 | 30 | |
75b49202 | 31 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 32 | static void ins__sort(struct arch *arch); |
75b49202 | 33 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 34 | |
786c1b51 ACM |
35 | struct arch { |
36 | const char *name; | |
763d8960 ACM |
37 | struct ins *instructions; |
38 | size_t nr_instructions; | |
2a1ff812 ACM |
39 | size_t nr_instructions_allocated; |
40 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 41 | bool sorted_instructions; |
0781ea92 ACM |
42 | bool initialized; |
43 | void *priv; | |
44 | int (*init)(struct arch *arch); | |
786c1b51 ACM |
45 | struct { |
46 | char comment_char; | |
9c2fb451 | 47 | char skip_functions_char; |
786c1b51 ACM |
48 | } objdump; |
49 | }; | |
50 | ||
763d8960 ACM |
51 | static struct ins_ops call_ops; |
52 | static struct ins_ops dec_ops; | |
53 | static struct ins_ops jump_ops; | |
54 | static struct ins_ops mov_ops; | |
55 | static struct ins_ops nop_ops; | |
56 | static struct ins_ops lock_ops; | |
57 | static struct ins_ops ret_ops; | |
58 | ||
2a1ff812 ACM |
59 | static int arch__grow_instructions(struct arch *arch) |
60 | { | |
61 | struct ins *new_instructions; | |
62 | size_t new_nr_allocated; | |
63 | ||
64 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
65 | goto grow_from_non_allocated_table; | |
66 | ||
67 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
68 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
69 | if (new_instructions == NULL) | |
70 | return -1; | |
71 | ||
72 | out_update_instructions: | |
73 | arch->instructions = new_instructions; | |
74 | arch->nr_instructions_allocated = new_nr_allocated; | |
75 | return 0; | |
76 | ||
77 | grow_from_non_allocated_table: | |
78 | new_nr_allocated = arch->nr_instructions + 128; | |
79 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
80 | if (new_instructions == NULL) | |
81 | return -1; | |
82 | ||
83 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
84 | goto out_update_instructions; | |
85 | } | |
86 | ||
acc9bfb5 | 87 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
88 | { |
89 | struct ins *ins; | |
90 | ||
91 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
92 | arch__grow_instructions(arch)) | |
93 | return -1; | |
94 | ||
95 | ins = &arch->instructions[arch->nr_instructions]; | |
96 | ins->name = strdup(name); | |
97 | if (!ins->name) | |
98 | return -1; | |
99 | ||
100 | ins->ops = ops; | |
101 | arch->nr_instructions++; | |
102 | ||
103 | ins__sort(arch); | |
104 | return 0; | |
105 | } | |
106 | ||
763d8960 | 107 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 108 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 109 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 110 | #include "arch/powerpc/annotate/instructions.c" |
763d8960 | 111 | |
786c1b51 ACM |
112 | static struct arch architectures[] = { |
113 | { | |
114 | .name = "arm", | |
acc9bfb5 | 115 | .init = arm__annotate_init, |
786c1b51 | 116 | }, |
0fcb1da4 KP |
117 | { |
118 | .name = "arm64", | |
119 | .init = arm64__annotate_init, | |
120 | }, | |
786c1b51 ACM |
121 | { |
122 | .name = "x86", | |
763d8960 ACM |
123 | .instructions = x86__instructions, |
124 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
786c1b51 ACM |
125 | .objdump = { |
126 | .comment_char = '#', | |
127 | }, | |
128 | }, | |
dbdebdc5 RB |
129 | { |
130 | .name = "powerpc", | |
131 | .init = powerpc__annotate_init, | |
132 | }, | |
786c1b51 ACM |
133 | }; |
134 | ||
c46219ac ACM |
135 | static void ins__delete(struct ins_operands *ops) |
136 | { | |
3995614d ACM |
137 | if (ops == NULL) |
138 | return; | |
74cf249d ACM |
139 | zfree(&ops->source.raw); |
140 | zfree(&ops->source.name); | |
141 | zfree(&ops->target.raw); | |
142 | zfree(&ops->target.name); | |
c46219ac ACM |
143 | } |
144 | ||
5417072b ACM |
145 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
146 | struct ins_operands *ops) | |
147 | { | |
148 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
149 | } | |
150 | ||
151 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
152 | struct ins_operands *ops) | |
153 | { | |
154 | if (ins->ops->scnprintf) | |
155 | return ins->ops->scnprintf(ins, bf, size, ops); | |
156 | ||
157 | return ins__raw_scnprintf(ins, bf, size, ops); | |
158 | } | |
159 | ||
9c2fb451 | 160 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 161 | { |
d2232885 ACM |
162 | char *endptr, *tok, *name; |
163 | ||
44d1a3ed | 164 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
165 | |
166 | name = strchr(endptr, '<'); | |
167 | if (name == NULL) | |
168 | goto indirect_call; | |
169 | ||
170 | name++; | |
171 | ||
9c2fb451 ACM |
172 | if (arch->objdump.skip_functions_char && |
173 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 174 | return -1; |
cfef25b8 | 175 | |
d2232885 ACM |
176 | tok = strchr(name, '>'); |
177 | if (tok == NULL) | |
178 | return -1; | |
179 | ||
180 | *tok = '\0'; | |
44d1a3ed | 181 | ops->target.name = strdup(name); |
d2232885 ACM |
182 | *tok = '>'; |
183 | ||
44d1a3ed | 184 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
185 | |
186 | indirect_call: | |
88a7fcf9 RB |
187 | tok = strchr(endptr, '*'); |
188 | if (tok == NULL) { | |
5f62d4fd ACM |
189 | struct symbol *sym = map__find_symbol(map, map->map_ip(map, ops->target.addr)); |
190 | if (sym != NULL) | |
191 | ops->target.name = strdup(sym->name); | |
192 | else | |
193 | ops->target.addr = 0; | |
e8ea1561 ACM |
194 | return 0; |
195 | } | |
196 | ||
44d1a3ed | 197 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
198 | return 0; |
199 | } | |
200 | ||
d2232885 | 201 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 202 | struct ins_operands *ops) |
d2232885 | 203 | { |
44d1a3ed ACM |
204 | if (ops->target.name) |
205 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 206 | |
e8ea1561 ACM |
207 | if (ops->target.addr == 0) |
208 | return ins__raw_scnprintf(ins, bf, size, ops); | |
209 | ||
44d1a3ed | 210 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
211 | } |
212 | ||
d86b0597 | 213 | static struct ins_ops call_ops = { |
d2232885 ACM |
214 | .parse = call__parse, |
215 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
216 | }; |
217 | ||
218 | bool ins__is_call(const struct ins *ins) | |
219 | { | |
220 | return ins->ops == &call_ops; | |
221 | } | |
222 | ||
786c1b51 | 223 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 224 | { |
c7e6ead7 | 225 | const char *s = strchr(ops->raw, '+'); |
4f9d0325 | 226 | |
bbb7f846 | 227 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
fb29fa58 ACM |
228 | |
229 | if (s++ != NULL) | |
bbb7f846 | 230 | ops->target.offset = strtoull(s, NULL, 16); |
fb29fa58 ACM |
231 | else |
232 | ops->target.offset = UINT64_MAX; | |
4f9d0325 | 233 | |
4f9d0325 ACM |
234 | return 0; |
235 | } | |
236 | ||
c7e6ead7 | 237 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 238 | struct ins_operands *ops) |
28548d78 | 239 | { |
bec60e50 RB |
240 | if (!ops->target.addr) |
241 | return ins__raw_scnprintf(ins, bf, size, ops); | |
242 | ||
44d1a3ed | 243 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
244 | } |
245 | ||
4f9d0325 | 246 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
247 | .parse = jump__parse, |
248 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
249 | }; |
250 | ||
251 | bool ins__is_jump(const struct ins *ins) | |
252 | { | |
253 | return ins->ops == &jump_ops; | |
254 | } | |
255 | ||
6de783b6 ACM |
256 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
257 | { | |
258 | char *endptr, *name, *t; | |
259 | ||
260 | if (strstr(raw, "(%rip)") == NULL) | |
261 | return 0; | |
262 | ||
263 | *addrp = strtoull(comment, &endptr, 16); | |
264 | name = strchr(endptr, '<'); | |
265 | if (name == NULL) | |
266 | return -1; | |
267 | ||
268 | name++; | |
269 | ||
270 | t = strchr(name, '>'); | |
271 | if (t == NULL) | |
272 | return 0; | |
273 | ||
274 | *t = '\0'; | |
275 | *namep = strdup(name); | |
276 | *t = '>'; | |
277 | ||
278 | return 0; | |
279 | } | |
280 | ||
786c1b51 | 281 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 282 | { |
7a997fe4 ACM |
283 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
284 | if (ops->locked.ops == NULL) | |
285 | return 0; | |
286 | ||
75b49202 | 287 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
288 | goto out_free_ops; |
289 | ||
75b49202 | 290 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 291 | |
75b49202 | 292 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 293 | goto out_free_ops; |
7a997fe4 | 294 | |
75b49202 ACM |
295 | if (ops->locked.ins.ops->parse && |
296 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 297 | goto out_free_ops; |
7a997fe4 ACM |
298 | |
299 | return 0; | |
300 | ||
301 | out_free_ops: | |
04662523 | 302 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
303 | return 0; |
304 | } | |
305 | ||
306 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
307 | struct ins_operands *ops) | |
308 | { | |
309 | int printed; | |
310 | ||
75b49202 | 311 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
312 | return ins__raw_scnprintf(ins, bf, size, ops); |
313 | ||
314 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
75b49202 | 315 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
316 | size - printed, ops->locked.ops); |
317 | } | |
318 | ||
c46219ac ACM |
319 | static void lock__delete(struct ins_operands *ops) |
320 | { | |
75b49202 | 321 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 322 | |
75b49202 | 323 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
324 | ins->ops->free(ops->locked.ops); |
325 | else | |
326 | ins__delete(ops->locked.ops); | |
327 | ||
74cf249d ACM |
328 | zfree(&ops->locked.ops); |
329 | zfree(&ops->target.raw); | |
330 | zfree(&ops->target.name); | |
c46219ac ACM |
331 | } |
332 | ||
7a997fe4 | 333 | static struct ins_ops lock_ops = { |
c46219ac | 334 | .free = lock__delete, |
7a997fe4 ACM |
335 | .parse = lock__parse, |
336 | .scnprintf = lock__scnprintf, | |
337 | }; | |
338 | ||
786c1b51 | 339 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
340 | { |
341 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
342 | ||
343 | if (s == NULL) | |
344 | return -1; | |
345 | ||
346 | *s = '\0'; | |
347 | ops->source.raw = strdup(ops->raw); | |
348 | *s = ','; | |
48000a1a | 349 | |
6de783b6 ACM |
350 | if (ops->source.raw == NULL) |
351 | return -1; | |
352 | ||
353 | target = ++s; | |
786c1b51 | 354 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
355 | |
356 | if (comment != NULL) | |
357 | s = comment - 1; | |
358 | else | |
359 | s = strchr(s, '\0') - 1; | |
6de783b6 | 360 | |
1e2bb043 AC |
361 | while (s > target && isspace(s[0])) |
362 | --s; | |
363 | s++; | |
6de783b6 ACM |
364 | prev = *s; |
365 | *s = '\0'; | |
366 | ||
367 | ops->target.raw = strdup(target); | |
368 | *s = prev; | |
369 | ||
370 | if (ops->target.raw == NULL) | |
371 | goto out_free_source; | |
372 | ||
6de783b6 ACM |
373 | if (comment == NULL) |
374 | return 0; | |
375 | ||
376 | while (comment[0] != '\0' && isspace(comment[0])) | |
377 | ++comment; | |
378 | ||
379 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); | |
380 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
381 | ||
382 | return 0; | |
383 | ||
384 | out_free_source: | |
04662523 | 385 | zfree(&ops->source.raw); |
6de783b6 ACM |
386 | return -1; |
387 | } | |
388 | ||
389 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
390 | struct ins_operands *ops) | |
391 | { | |
392 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
393 | ops->source.name ?: ops->source.raw, | |
394 | ops->target.name ?: ops->target.raw); | |
395 | } | |
396 | ||
397 | static struct ins_ops mov_ops = { | |
398 | .parse = mov__parse, | |
399 | .scnprintf = mov__scnprintf, | |
400 | }; | |
401 | ||
786c1b51 | 402 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
403 | { |
404 | char *target, *comment, *s, prev; | |
405 | ||
406 | target = s = ops->raw; | |
407 | ||
408 | while (s[0] != '\0' && !isspace(s[0])) | |
409 | ++s; | |
410 | prev = *s; | |
411 | *s = '\0'; | |
412 | ||
413 | ops->target.raw = strdup(target); | |
414 | *s = prev; | |
415 | ||
416 | if (ops->target.raw == NULL) | |
417 | return -1; | |
418 | ||
859afa6c | 419 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
420 | if (comment == NULL) |
421 | return 0; | |
422 | ||
423 | while (comment[0] != '\0' && isspace(comment[0])) | |
424 | ++comment; | |
425 | ||
426 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
431 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
432 | struct ins_operands *ops) | |
433 | { | |
434 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
435 | ops->target.name ?: ops->target.raw); | |
436 | } | |
437 | ||
438 | static struct ins_ops dec_ops = { | |
439 | .parse = dec__parse, | |
440 | .scnprintf = dec__scnprintf, | |
441 | }; | |
442 | ||
1d037ca1 IT |
443 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
444 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
445 | { |
446 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
447 | } | |
448 | ||
449 | static struct ins_ops nop_ops = { | |
450 | .scnprintf = nop__scnprintf, | |
451 | }; | |
452 | ||
6ef94929 NR |
453 | static struct ins_ops ret_ops = { |
454 | .scnprintf = ins__raw_scnprintf, | |
455 | }; | |
456 | ||
457 | bool ins__is_ret(const struct ins *ins) | |
458 | { | |
459 | return ins->ops == &ret_ops; | |
460 | } | |
461 | ||
7e4c1498 | 462 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
463 | { |
464 | const struct ins *ins = insp; | |
465 | ||
466 | return strcmp(name, ins->name); | |
467 | } | |
468 | ||
7e4c1498 CR |
469 | static int ins__cmp(const void *a, const void *b) |
470 | { | |
471 | const struct ins *ia = a; | |
472 | const struct ins *ib = b; | |
473 | ||
474 | return strcmp(ia->name, ib->name); | |
475 | } | |
476 | ||
763d8960 | 477 | static void ins__sort(struct arch *arch) |
7e4c1498 | 478 | { |
763d8960 | 479 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 480 | |
763d8960 | 481 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
482 | } |
483 | ||
2a1ff812 | 484 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 485 | { |
75b49202 | 486 | struct ins *ins; |
763d8960 | 487 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 488 | |
763d8960 ACM |
489 | if (!arch->sorted_instructions) { |
490 | ins__sort(arch); | |
491 | arch->sorted_instructions = true; | |
7e4c1498 | 492 | } |
4f9d0325 | 493 | |
75b49202 ACM |
494 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
495 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
496 | } |
497 | ||
2a1ff812 ACM |
498 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
499 | { | |
500 | struct ins_ops *ops = __ins__find(arch, name); | |
501 | ||
502 | if (!ops && arch->associate_instruction_ops) | |
503 | ops = arch->associate_instruction_ops(arch, name); | |
504 | ||
505 | return ops; | |
506 | } | |
507 | ||
786c1b51 ACM |
508 | static int arch__key_cmp(const void *name, const void *archp) |
509 | { | |
510 | const struct arch *arch = archp; | |
511 | ||
512 | return strcmp(name, arch->name); | |
513 | } | |
514 | ||
515 | static int arch__cmp(const void *a, const void *b) | |
516 | { | |
517 | const struct arch *aa = a; | |
518 | const struct arch *ab = b; | |
519 | ||
520 | return strcmp(aa->name, ab->name); | |
521 | } | |
522 | ||
523 | static void arch__sort(void) | |
524 | { | |
525 | const int nmemb = ARRAY_SIZE(architectures); | |
526 | ||
527 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
528 | } | |
529 | ||
530 | static struct arch *arch__find(const char *name) | |
531 | { | |
532 | const int nmemb = ARRAY_SIZE(architectures); | |
533 | static bool sorted; | |
534 | ||
535 | if (!sorted) { | |
536 | arch__sort(); | |
537 | sorted = true; | |
538 | } | |
539 | ||
540 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
541 | } | |
542 | ||
d04b35f8 | 543 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
544 | { |
545 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 546 | const size_t size = symbol__size(sym); |
8696329b CS |
547 | size_t sizeof_sym_hist; |
548 | ||
549 | /* Check for overflow when calculating sizeof_sym_hist */ | |
550 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
551 | return -1; | |
552 | ||
553 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
554 | ||
555 | /* Check for overflow in zalloc argument */ | |
556 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
557 | / symbol_conf.nr_events) | |
558 | return -1; | |
ce6f4fab | 559 | |
d04b35f8 | 560 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
561 | if (notes->src == NULL) |
562 | return -1; | |
563 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 564 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
565 | INIT_LIST_HEAD(¬es->src->source); |
566 | return 0; | |
78f7defe ACM |
567 | } |
568 | ||
d4957633 AK |
569 | /* The cycles histogram is lazily allocated. */ |
570 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
571 | { | |
572 | struct annotation *notes = symbol__annotation(sym); | |
573 | const size_t size = symbol__size(sym); | |
574 | ||
575 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
576 | if (notes->src->cycles_hist == NULL) | |
577 | return -1; | |
578 | return 0; | |
579 | } | |
580 | ||
36532461 ACM |
581 | void symbol__annotate_zero_histograms(struct symbol *sym) |
582 | { | |
583 | struct annotation *notes = symbol__annotation(sym); | |
584 | ||
ce6f4fab | 585 | pthread_mutex_lock(¬es->lock); |
d4957633 | 586 | if (notes->src != NULL) { |
ce6f4fab ACM |
587 | memset(notes->src->histograms, 0, |
588 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
589 | if (notes->src->cycles_hist) |
590 | memset(notes->src->cycles_hist, 0, | |
591 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
592 | } | |
ce6f4fab | 593 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
594 | } |
595 | ||
d4957633 AK |
596 | static int __symbol__account_cycles(struct annotation *notes, |
597 | u64 start, | |
598 | unsigned offset, unsigned cycles, | |
599 | unsigned have_start) | |
600 | { | |
601 | struct cyc_hist *ch; | |
602 | ||
603 | ch = notes->src->cycles_hist; | |
604 | /* | |
605 | * For now we can only account one basic block per | |
606 | * final jump. But multiple could be overlapping. | |
607 | * Always account the longest one. So when | |
608 | * a shorter one has been already seen throw it away. | |
609 | * | |
610 | * We separately always account the full cycles. | |
611 | */ | |
612 | ch[offset].num_aggr++; | |
613 | ch[offset].cycles_aggr += cycles; | |
614 | ||
615 | if (!have_start && ch[offset].have_start) | |
616 | return 0; | |
617 | if (ch[offset].num) { | |
618 | if (have_start && (!ch[offset].have_start || | |
619 | ch[offset].start > start)) { | |
620 | ch[offset].have_start = 0; | |
621 | ch[offset].cycles = 0; | |
622 | ch[offset].num = 0; | |
623 | if (ch[offset].reset < 0xffff) | |
624 | ch[offset].reset++; | |
625 | } else if (have_start && | |
626 | ch[offset].start < start) | |
627 | return 0; | |
628 | } | |
629 | ch[offset].have_start = have_start; | |
630 | ch[offset].start = start; | |
631 | ch[offset].cycles += cycles; | |
632 | ch[offset].num++; | |
633 | return 0; | |
634 | } | |
635 | ||
b66d8c0c ACM |
636 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
637 | struct annotation *notes, int evidx, u64 addr) | |
78f7defe | 638 | { |
2f525d01 | 639 | unsigned offset; |
78f7defe ACM |
640 | struct sym_hist *h; |
641 | ||
78f7defe ACM |
642 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
643 | ||
e3d006ce ACM |
644 | if (addr < sym->start || addr >= sym->end) { |
645 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", | |
646 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 647 | return -ERANGE; |
e3d006ce | 648 | } |
78f7defe | 649 | |
2f525d01 ACM |
650 | offset = addr - sym->start; |
651 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
652 | h->sum++; |
653 | h->addr[offset]++; | |
654 | ||
655 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
656 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
657 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
658 | return 0; |
659 | } | |
660 | ||
d4957633 | 661 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
662 | { |
663 | struct annotation *notes = symbol__annotation(sym); | |
664 | ||
665 | if (notes->src == NULL) { | |
666 | if (symbol__alloc_hist(sym) < 0) | |
667 | return NULL; | |
668 | } | |
d4957633 AK |
669 | if (!notes->src->cycles_hist && cycles) { |
670 | if (symbol__alloc_hist_cycles(sym) < 0) | |
671 | return NULL; | |
672 | } | |
83be34a7 AK |
673 | return notes; |
674 | } | |
675 | ||
44e83039 ACM |
676 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
677 | int evidx, u64 addr) | |
b66d8c0c ACM |
678 | { |
679 | struct annotation *notes; | |
680 | ||
48c65bda | 681 | if (sym == NULL) |
b66d8c0c | 682 | return 0; |
d4957633 | 683 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
684 | if (notes == NULL) |
685 | return -ENOMEM; | |
b66d8c0c ACM |
686 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); |
687 | } | |
688 | ||
d4957633 AK |
689 | static int symbol__account_cycles(u64 addr, u64 start, |
690 | struct symbol *sym, unsigned cycles) | |
691 | { | |
692 | struct annotation *notes; | |
693 | unsigned offset; | |
694 | ||
695 | if (sym == NULL) | |
696 | return 0; | |
697 | notes = symbol__get_annotation(sym, true); | |
698 | if (notes == NULL) | |
699 | return -ENOMEM; | |
700 | if (addr < sym->start || addr >= sym->end) | |
701 | return -ERANGE; | |
702 | ||
703 | if (start) { | |
704 | if (start < sym->start || start >= sym->end) | |
705 | return -ERANGE; | |
706 | if (start >= addr) | |
707 | start = 0; | |
708 | } | |
709 | offset = addr - sym->start; | |
710 | return __symbol__account_cycles(notes, | |
711 | start ? start - sym->start : 0, | |
712 | offset, cycles, | |
713 | !!start); | |
714 | } | |
715 | ||
716 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
717 | struct addr_map_symbol *start, | |
718 | unsigned cycles) | |
719 | { | |
3d7245b0 | 720 | u64 saddr = 0; |
d4957633 AK |
721 | int err; |
722 | ||
723 | if (!cycles) | |
724 | return 0; | |
725 | ||
726 | /* | |
727 | * Only set start when IPC can be computed. We can only | |
728 | * compute it when the basic block is completely in a single | |
729 | * function. | |
730 | * Special case the case when the jump is elsewhere, but | |
731 | * it starts on the function start. | |
732 | */ | |
733 | if (start && | |
734 | (start->sym == ams->sym || | |
735 | (ams->sym && | |
736 | start->addr == ams->sym->start + ams->map->start))) | |
737 | saddr = start->al_addr; | |
738 | if (saddr == 0) | |
3d7245b0 | 739 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
740 | ams->addr, |
741 | start ? start->addr : 0, | |
742 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
743 | saddr); | |
744 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
745 | if (err) | |
746 | pr_debug2("account_cycles failed %d\n", err); | |
747 | return err; | |
748 | } | |
749 | ||
0f4e7a24 ACM |
750 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
751 | { | |
752 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
753 | } | |
754 | ||
f626adff ACM |
755 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
756 | { | |
757 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
758 | } | |
759 | ||
786c1b51 | 760 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 761 | { |
75b49202 | 762 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 763 | |
75b49202 | 764 | if (!dl->ins.ops) |
4f9d0325 ACM |
765 | return; |
766 | ||
75b49202 ACM |
767 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
768 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
769 | } |
770 | ||
75b49202 | 771 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 ACM |
772 | { |
773 | char *name = line, tmp; | |
774 | ||
775 | while (isspace(name[0])) | |
776 | ++name; | |
777 | ||
778 | if (name[0] == '\0') | |
779 | return -1; | |
780 | ||
781 | *rawp = name + 1; | |
782 | ||
783 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
784 | ++*rawp; | |
785 | ||
786 | tmp = (*rawp)[0]; | |
787 | (*rawp)[0] = '\0'; | |
788 | *namep = strdup(name); | |
789 | ||
790 | if (*namep == NULL) | |
791 | goto out_free_name; | |
792 | ||
793 | (*rawp)[0] = tmp; | |
794 | ||
795 | if ((*rawp)[0] != '\0') { | |
796 | (*rawp)++; | |
797 | while (isspace((*rawp)[0])) | |
798 | ++(*rawp); | |
799 | } | |
800 | ||
801 | return 0; | |
802 | ||
803 | out_free_name: | |
75b49202 ACM |
804 | free((void *)namep); |
805 | *namep = NULL; | |
7a997fe4 ACM |
806 | return -1; |
807 | } | |
808 | ||
e592488c | 809 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
bff5c306 | 810 | size_t privsize, int line_nr, |
786c1b51 | 811 | struct arch *arch, |
bff5c306 | 812 | struct map *map) |
78f7defe | 813 | { |
5145418b | 814 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 815 | |
29ed6e76 ACM |
816 | if (dl != NULL) { |
817 | dl->offset = offset; | |
818 | dl->line = strdup(line); | |
e592488c | 819 | dl->line_nr = line_nr; |
29ed6e76 | 820 | if (dl->line == NULL) |
058b4cc9 | 821 | goto out_delete; |
5145418b ACM |
822 | |
823 | if (offset != -1) { | |
75b49202 | 824 | if (disasm_line__parse(dl->line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
825 | goto out_free_line; |
826 | ||
786c1b51 | 827 | disasm_line__init_ins(dl, arch, map); |
5145418b | 828 | } |
78f7defe ACM |
829 | } |
830 | ||
29ed6e76 | 831 | return dl; |
5145418b ACM |
832 | |
833 | out_free_line: | |
74cf249d | 834 | zfree(&dl->line); |
058b4cc9 | 835 | out_delete: |
29ed6e76 | 836 | free(dl); |
058b4cc9 | 837 | return NULL; |
78f7defe ACM |
838 | } |
839 | ||
29ed6e76 | 840 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 841 | { |
74cf249d | 842 | zfree(&dl->line); |
75b49202 ACM |
843 | if (dl->ins.ops && dl->ins.ops->free) |
844 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
845 | else |
846 | ins__delete(&dl->ops); | |
75b49202 ACM |
847 | free((void *)dl->ins.name); |
848 | dl->ins.name = NULL; | |
29ed6e76 | 849 | free(dl); |
78f7defe ACM |
850 | } |
851 | ||
5417072b ACM |
852 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
853 | { | |
75b49202 ACM |
854 | if (raw || !dl->ins.ops) |
855 | return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw); | |
5417072b | 856 | |
75b49202 | 857 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
858 | } |
859 | ||
29ed6e76 | 860 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
861 | { |
862 | list_add_tail(&line->node, head); | |
863 | } | |
864 | ||
29ed6e76 | 865 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
866 | { |
867 | list_for_each_entry_continue(pos, head, node) | |
868 | if (pos->offset >= 0) | |
869 | return pos; | |
870 | ||
871 | return NULL; | |
872 | } | |
873 | ||
e64aa75b | 874 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
0c4a5bce | 875 | s64 end, const char **path, u64 *nr_samples) |
e5ccf9f4 NK |
876 | { |
877 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 | 878 | double percent = 0.0; |
0c4a5bce | 879 | *nr_samples = 0; |
e5ccf9f4 | 880 | |
bd64fcb8 | 881 | if (src_line) { |
1491c22a | 882 | size_t sizeof_src_line = sizeof(*src_line) + |
276af92f | 883 | sizeof(src_line->samples) * (src_line->nr_pcnt - 1); |
1491c22a | 884 | |
bd64fcb8 | 885 | while (offset < end) { |
1491c22a NK |
886 | src_line = (void *)notes->src->lines + |
887 | (sizeof_src_line * offset); | |
888 | ||
e5ccf9f4 | 889 | if (*path == NULL) |
1491c22a | 890 | *path = src_line->path; |
e5ccf9f4 | 891 | |
276af92f ACM |
892 | percent += src_line->samples[evidx].percent; |
893 | *nr_samples += src_line->samples[evidx].nr; | |
1491c22a | 894 | offset++; |
bd64fcb8 NK |
895 | } |
896 | } else { | |
1491c22a NK |
897 | struct sym_hist *h = annotation__histogram(notes, evidx); |
898 | unsigned int hits = 0; | |
899 | ||
bd64fcb8 NK |
900 | while (offset < end) |
901 | hits += h->addr[offset++]; | |
e5ccf9f4 | 902 | |
0c4a5bce ML |
903 | if (h->sum) { |
904 | *nr_samples = hits; | |
bd64fcb8 | 905 | percent = 100.0 * hits / h->sum; |
0c4a5bce | 906 | } |
bd64fcb8 | 907 | } |
e5ccf9f4 NK |
908 | |
909 | return percent; | |
910 | } | |
911 | ||
70fbe057 PZ |
912 | static const char *annotate__address_color(struct block_range *br) |
913 | { | |
914 | double cov = block_range__coverage(br); | |
915 | ||
916 | if (cov >= 0) { | |
917 | /* mark red for >75% coverage */ | |
918 | if (cov > 0.75) | |
919 | return PERF_COLOR_RED; | |
920 | ||
921 | /* mark dull for <1% coverage */ | |
922 | if (cov < 0.01) | |
923 | return PERF_COLOR_NORMAL; | |
924 | } | |
925 | ||
926 | return PERF_COLOR_MAGENTA; | |
927 | } | |
928 | ||
929 | static const char *annotate__asm_color(struct block_range *br) | |
930 | { | |
931 | double cov = block_range__coverage(br); | |
932 | ||
933 | if (cov >= 0) { | |
934 | /* mark dull for <1% coverage */ | |
935 | if (cov < 0.01) | |
936 | return PERF_COLOR_NORMAL; | |
937 | } | |
938 | ||
939 | return PERF_COLOR_BLUE; | |
940 | } | |
941 | ||
942 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
943 | { | |
944 | bool emit_comment = true; | |
945 | ||
946 | if (!br) | |
947 | return; | |
948 | ||
949 | #if 1 | |
950 | if (br->is_target && br->start == addr) { | |
951 | struct block_range *branch = br; | |
952 | double p; | |
953 | ||
954 | /* | |
955 | * Find matching branch to our target. | |
956 | */ | |
957 | while (!branch->is_branch) | |
958 | branch = block_range__next(branch); | |
959 | ||
960 | p = 100 *(double)br->entry / branch->coverage; | |
961 | ||
962 | if (p > 0.1) { | |
963 | if (emit_comment) { | |
964 | emit_comment = false; | |
965 | printf("\t#"); | |
966 | } | |
967 | ||
968 | /* | |
969 | * The percentage of coverage joined at this target in relation | |
970 | * to the next branch. | |
971 | */ | |
972 | printf(" +%.2f%%", p); | |
973 | } | |
974 | } | |
975 | #endif | |
976 | if (br->is_branch && br->end == addr) { | |
977 | double p = 100*(double)br->taken / br->coverage; | |
978 | ||
979 | if (p > 0.1) { | |
980 | if (emit_comment) { | |
981 | emit_comment = false; | |
982 | printf("\t#"); | |
983 | } | |
984 | ||
985 | /* | |
986 | * The percentage of coverage leaving at this branch, and | |
987 | * its prediction ratio. | |
988 | */ | |
989 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
990 | } | |
991 | } | |
992 | } | |
993 | ||
994 | ||
29ed6e76 | 995 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 996 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 997 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
998 | { |
999 | static const char *prev_line; | |
1000 | static const char *prev_color; | |
1001 | ||
29ed6e76 | 1002 | if (dl->offset != -1) { |
78f7defe | 1003 | const char *path = NULL; |
0c4a5bce | 1004 | u64 nr_samples; |
b1dd4432 NK |
1005 | double percent, max_percent = 0.0; |
1006 | double *ppercents = &percent; | |
0c4a5bce | 1007 | u64 *psamples = &nr_samples; |
b1dd4432 | 1008 | int i, nr_percent = 1; |
78f7defe ACM |
1009 | const char *color; |
1010 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 1011 | s64 offset = dl->offset; |
058b4cc9 | 1012 | const u64 addr = start + offset; |
29ed6e76 | 1013 | struct disasm_line *next; |
70fbe057 | 1014 | struct block_range *br; |
ce6f4fab | 1015 | |
29ed6e76 | 1016 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 1017 | |
759ff497 | 1018 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
1019 | nr_percent = evsel->nr_members; |
1020 | ppercents = calloc(nr_percent, sizeof(double)); | |
0c4a5bce ML |
1021 | psamples = calloc(nr_percent, sizeof(u64)); |
1022 | if (ppercents == NULL || psamples == NULL) { | |
b1dd4432 | 1023 | return -1; |
0c4a5bce | 1024 | } |
b1dd4432 NK |
1025 | } |
1026 | ||
1027 | for (i = 0; i < nr_percent; i++) { | |
1028 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
1029 | notes->src->lines ? i : evsel->idx + i, |
1030 | offset, | |
1031 | next ? next->offset : (s64) len, | |
0c4a5bce | 1032 | &path, &nr_samples); |
b1dd4432 NK |
1033 | |
1034 | ppercents[i] = percent; | |
0c4a5bce | 1035 | psamples[i] = nr_samples; |
b1dd4432 NK |
1036 | if (percent > max_percent) |
1037 | max_percent = percent; | |
1038 | } | |
1039 | ||
1040 | if (max_percent < min_pcnt) | |
36532461 ACM |
1041 | return -1; |
1042 | ||
e3087b80 | 1043 | if (max_lines && printed >= max_lines) |
36532461 | 1044 | return 1; |
d040bd36 | 1045 | |
d5e3d747 ACM |
1046 | if (queue != NULL) { |
1047 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 1048 | if (queue == dl) |
d5e3d747 | 1049 | break; |
db8fd07a | 1050 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
1051 | 0, 0, 1, NULL); |
1052 | } | |
1053 | } | |
1054 | ||
b1dd4432 | 1055 | color = get_percent_color(max_percent); |
78f7defe ACM |
1056 | |
1057 | /* | |
1058 | * Also color the filename and line if needed, with | |
1059 | * the same color than the percentage. Don't print it | |
1060 | * twice for close colored addr with the same filename:line | |
1061 | */ | |
1062 | if (path) { | |
1063 | if (!prev_line || strcmp(prev_line, path) | |
1064 | || color != prev_color) { | |
1065 | color_fprintf(stdout, color, " %s", path); | |
1066 | prev_line = path; | |
1067 | prev_color = color; | |
1068 | } | |
1069 | } | |
1070 | ||
b1dd4432 NK |
1071 | for (i = 0; i < nr_percent; i++) { |
1072 | percent = ppercents[i]; | |
0c4a5bce | 1073 | nr_samples = psamples[i]; |
b1dd4432 | 1074 | color = get_percent_color(percent); |
0c4a5bce ML |
1075 | |
1076 | if (symbol_conf.show_total_period) | |
1077 | color_fprintf(stdout, color, " %7" PRIu64, | |
1078 | nr_samples); | |
1079 | else | |
1080 | color_fprintf(stdout, color, " %7.2f", percent); | |
b1dd4432 NK |
1081 | } |
1082 | ||
78f7defe | 1083 | printf(" : "); |
70fbe057 PZ |
1084 | |
1085 | br = block_range__find(addr); | |
1086 | color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr); | |
1087 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->line); | |
1088 | annotate__branch_printf(br, addr); | |
1089 | printf("\n"); | |
b1dd4432 NK |
1090 | |
1091 | if (ppercents != &percent) | |
1092 | free(ppercents); | |
1093 | ||
0c4a5bce ML |
1094 | if (psamples != &nr_samples) |
1095 | free(psamples); | |
1096 | ||
e3087b80 | 1097 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1098 | return 1; |
1099 | else { | |
b1dd4432 NK |
1100 | int width = 8; |
1101 | ||
d5e3d747 ACM |
1102 | if (queue) |
1103 | return -1; | |
1104 | ||
759ff497 | 1105 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1106 | width *= evsel->nr_members; |
1107 | ||
29ed6e76 | 1108 | if (!*dl->line) |
b1dd4432 | 1109 | printf(" %*s:\n", width, " "); |
78f7defe | 1110 | else |
b1dd4432 | 1111 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 1112 | } |
36532461 ACM |
1113 | |
1114 | return 0; | |
78f7defe ACM |
1115 | } |
1116 | ||
3aec150a NK |
1117 | /* |
1118 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1119 | * which looks like following | |
1120 | * | |
1121 | * 0000000000415500 <_init>: | |
1122 | * 415500: sub $0x8,%rsp | |
1123 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1124 | * 41550b: test %rax,%rax | |
1125 | * 41550e: je 415515 <_init+0x15> | |
1126 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1127 | * 415515: add $0x8,%rsp | |
1128 | * 415519: retq | |
1129 | * | |
1130 | * it will be parsed and saved into struct disasm_line as | |
1131 | * <offset> <name> <ops.raw> | |
1132 | * | |
1133 | * The offset will be a relative offset from the start of the symbol and -1 | |
1134 | * means that it's not a disassembly line so should be treated differently. | |
1135 | * The ops.raw part will be parsed further according to type of the instruction. | |
1136 | */ | |
ce6f4fab | 1137 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
786c1b51 | 1138 | struct arch *arch, |
e592488c AK |
1139 | FILE *file, size_t privsize, |
1140 | int *line_nr) | |
78f7defe | 1141 | { |
ce6f4fab | 1142 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1143 | struct disasm_line *dl; |
058b4cc9 | 1144 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
1145 | size_t line_len; |
1146 | s64 line_ip, offset = -1; | |
e592488c | 1147 | regmatch_t match[2]; |
78f7defe ACM |
1148 | |
1149 | if (getline(&line, &line_len, file) < 0) | |
1150 | return -1; | |
1151 | ||
1152 | if (!line) | |
1153 | return -1; | |
1154 | ||
1155 | while (line_len != 0 && isspace(line[line_len - 1])) | |
1156 | line[--line_len] = '\0'; | |
1157 | ||
1158 | c = strchr(line, '\n'); | |
1159 | if (c) | |
1160 | *c = 0; | |
1161 | ||
1162 | line_ip = -1; | |
a31b7cc0 | 1163 | parsed_line = line; |
78f7defe | 1164 | |
e592488c AK |
1165 | /* /filename:linenr ? Save line number and ignore. */ |
1166 | if (regexec(&file_lineno, line, 2, match, 0) == 0) { | |
1167 | *line_nr = atoi(line + match[1].rm_so); | |
1168 | return 0; | |
1169 | } | |
1170 | ||
78f7defe ACM |
1171 | /* |
1172 | * Strip leading spaces: | |
1173 | */ | |
1174 | tmp = line; | |
1175 | while (*tmp) { | |
1176 | if (*tmp != ' ') | |
1177 | break; | |
1178 | tmp++; | |
1179 | } | |
1180 | ||
1181 | if (*tmp) { | |
1182 | /* | |
1183 | * Parse hexa addresses followed by ':' | |
1184 | */ | |
1185 | line_ip = strtoull(tmp, &tmp2, 16); | |
1186 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1187 | line_ip = -1; | |
1188 | } | |
1189 | ||
1190 | if (line_ip != -1) { | |
1191 | u64 start = map__rip_2objdump(map, sym->start), | |
1192 | end = map__rip_2objdump(map, sym->end); | |
1193 | ||
1194 | offset = line_ip - start; | |
2c241bd3 | 1195 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1196 | offset = -1; |
058b4cc9 ACM |
1197 | else |
1198 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1199 | } |
78f7defe | 1200 | |
786c1b51 | 1201 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr, arch, map); |
058b4cc9 | 1202 | free(line); |
e592488c | 1203 | (*line_nr)++; |
058b4cc9 | 1204 | |
29ed6e76 | 1205 | if (dl == NULL) |
78f7defe | 1206 | return -1; |
058b4cc9 | 1207 | |
bbb7f846 AH |
1208 | if (dl->ops.target.offset == UINT64_MAX) |
1209 | dl->ops.target.offset = dl->ops.target.addr - | |
1210 | map__rip_2objdump(map, sym->start); | |
1211 | ||
6e427ab0 | 1212 | /* kcore has no symbols, so add the call target name */ |
75b49202 | 1213 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
1214 | struct addr_map_symbol target = { |
1215 | .map = map, | |
1216 | .addr = dl->ops.target.addr, | |
1217 | }; | |
1218 | ||
be39db9f | 1219 | if (!map_groups__find_ams(&target) && |
6e427ab0 AH |
1220 | target.sym->start == target.al_addr) |
1221 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
1222 | } |
1223 | ||
29ed6e76 | 1224 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
1225 | |
1226 | return 0; | |
1227 | } | |
1228 | ||
e592488c AK |
1229 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1230 | { | |
1231 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1232 | } | |
1233 | ||
484a5e74 AH |
1234 | static void delete_last_nop(struct symbol *sym) |
1235 | { | |
1236 | struct annotation *notes = symbol__annotation(sym); | |
1237 | struct list_head *list = ¬es->src->source; | |
1238 | struct disasm_line *dl; | |
1239 | ||
1240 | while (!list_empty(list)) { | |
1241 | dl = list_entry(list->prev, struct disasm_line, node); | |
1242 | ||
75b49202 ACM |
1243 | if (dl->ins.ops) { |
1244 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1245 | return; |
1246 | } else { | |
1247 | if (!strstr(dl->line, " nop ") && | |
1248 | !strstr(dl->line, " nopl ") && | |
1249 | !strstr(dl->line, " nopw ")) | |
1250 | return; | |
1251 | } | |
1252 | ||
1253 | list_del(&dl->node); | |
1254 | disasm_line__free(dl); | |
1255 | } | |
1256 | } | |
1257 | ||
ee51d851 ACM |
1258 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1259 | int errnum, char *buf, size_t buflen) | |
1260 | { | |
1261 | struct dso *dso = map->dso; | |
1262 | ||
1263 | BUG_ON(buflen == 0); | |
1264 | ||
1265 | if (errnum >= 0) { | |
1266 | str_error_r(errnum, buf, buflen); | |
1267 | return 0; | |
1268 | } | |
1269 | ||
1270 | switch (errnum) { | |
1271 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1272 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1273 | char *build_id_msg = NULL; | |
1274 | ||
1275 | if (dso->has_build_id) { | |
1276 | build_id__sprintf(dso->build_id, | |
1277 | sizeof(dso->build_id), bf + 15); | |
1278 | build_id_msg = bf; | |
1279 | } | |
1280 | scnprintf(buf, buflen, | |
1281 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1282 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1283 | "Please use:\n\n" | |
1284 | " perf buildid-cache -vu vmlinux\n\n" | |
1285 | "or:\n\n" | |
1286 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1287 | } | |
1288 | break; | |
1289 | default: | |
1290 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1291 | break; | |
1292 | } | |
1293 | ||
1294 | return 0; | |
1295 | } | |
1296 | ||
05ed3ac9 | 1297 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1298 | { |
05ed3ac9 ACM |
1299 | char linkname[PATH_MAX]; |
1300 | char *build_id_filename; | |
78f7defe | 1301 | |
c12944f7 ACM |
1302 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1303 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1304 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1305 | |
05ed3ac9 ACM |
1306 | build_id_filename = dso__build_id_filename(dso, NULL, 0); |
1307 | if (build_id_filename) { | |
1308 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1309 | free(build_id_filename); | |
3caee094 | 1310 | } else { |
ee51d851 ACM |
1311 | if (dso->has_build_id) |
1312 | return ENOMEM; | |
78f7defe | 1313 | goto fallback; |
3caee094 ACM |
1314 | } |
1315 | ||
1316 | if (dso__is_kcore(dso) || | |
05ed3ac9 ACM |
1317 | readlink(filename, linkname, sizeof(linkname)) < 0 || |
1318 | strstr(linkname, DSO__NAME_KALLSYMS) || | |
1319 | access(filename, R_OK)) { | |
78f7defe ACM |
1320 | fallback: |
1321 | /* | |
1322 | * If we don't have build-ids or the build-id file isn't in the | |
1323 | * cache, or is just a kallsyms file, well, lets hope that this | |
1324 | * DSO is the same as when 'perf record' ran. | |
1325 | */ | |
05ed3ac9 | 1326 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1327 | } |
1328 | ||
05ed3ac9 ACM |
1329 | return 0; |
1330 | } | |
1331 | ||
786c1b51 ACM |
1332 | static const char *annotate__norm_arch(const char *arch_name) |
1333 | { | |
1334 | struct utsname uts; | |
1335 | ||
1336 | if (!arch_name) { /* Assume we are annotating locally. */ | |
1337 | if (uname(&uts) < 0) | |
1338 | return NULL; | |
1339 | arch_name = uts.machine; | |
1340 | } | |
1341 | return normalize_arch((char *)arch_name); | |
1342 | } | |
1343 | ||
1344 | int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_name, size_t privsize) | |
05ed3ac9 ACM |
1345 | { |
1346 | struct dso *dso = map->dso; | |
1347 | char command[PATH_MAX * 2]; | |
786c1b51 | 1348 | struct arch *arch = NULL; |
05ed3ac9 ACM |
1349 | FILE *file; |
1350 | char symfs_filename[PATH_MAX]; | |
1351 | struct kcore_extract kce; | |
1352 | bool delete_extract = false; | |
1353 | int stdout_fd[2]; | |
1354 | int lineno = 0; | |
1355 | int nline; | |
1356 | pid_t pid; | |
1357 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1358 | ||
1359 | if (err) | |
1360 | return err; | |
1361 | ||
786c1b51 ACM |
1362 | arch_name = annotate__norm_arch(arch_name); |
1363 | if (!arch_name) | |
1364 | return -1; | |
1365 | ||
1366 | arch = arch__find(arch_name); | |
1367 | if (arch == NULL) | |
1368 | return -ENOTSUP; | |
1369 | ||
0781ea92 ACM |
1370 | if (arch->init) { |
1371 | err = arch->init(arch); | |
1372 | if (err) { | |
1373 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1374 | return err; | |
1375 | } | |
1376 | } | |
1377 | ||
78f7defe | 1378 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1379 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1380 | map->unmap_ip(map, sym->end)); |
1381 | ||
78f7defe ACM |
1382 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1383 | dso, dso->long_name, sym, sym->name); | |
1384 | ||
afba19d9 AH |
1385 | if (dso__is_kcore(dso)) { |
1386 | kce.kcore_filename = symfs_filename; | |
1387 | kce.addr = map__rip_2objdump(map, sym->start); | |
1388 | kce.offs = sym->start; | |
2c241bd3 | 1389 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1390 | if (!kcore_extract__create(&kce)) { |
1391 | delete_extract = true; | |
1392 | strlcpy(symfs_filename, kce.extract_filename, | |
1393 | sizeof(symfs_filename)); | |
afba19d9 | 1394 | } |
2c7da8c5 JO |
1395 | } else if (dso__needs_decompress(dso)) { |
1396 | char tmp[PATH_MAX]; | |
1397 | struct kmod_path m; | |
1398 | int fd; | |
1399 | bool ret; | |
1400 | ||
1401 | if (kmod_path__parse_ext(&m, symfs_filename)) | |
3caee094 | 1402 | goto out; |
2c7da8c5 JO |
1403 | |
1404 | snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); | |
1405 | ||
1406 | fd = mkstemp(tmp); | |
1407 | if (fd < 0) { | |
1408 | free(m.ext); | |
3caee094 | 1409 | goto out; |
2c7da8c5 JO |
1410 | } |
1411 | ||
1412 | ret = decompress_to_file(m.ext, symfs_filename, fd); | |
1413 | ||
62ec9b3f AK |
1414 | if (ret) |
1415 | pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename); | |
1416 | ||
2c7da8c5 JO |
1417 | free(m.ext); |
1418 | close(fd); | |
1419 | ||
1420 | if (!ret) | |
3caee094 | 1421 | goto out; |
2c7da8c5 JO |
1422 | |
1423 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1424 | } |
1425 | ||
78f7defe | 1426 | snprintf(command, sizeof(command), |
7a4ec938 | 1427 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1428 | " --stop-address=0x%016" PRIx64 |
e592488c | 1429 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 1430 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1431 | disassembler_style ? "-M " : "", |
1432 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1433 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1434 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1435 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1436 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1437 | symfs_filename, symfs_filename); |
78f7defe ACM |
1438 | |
1439 | pr_debug("Executing: %s\n", command); | |
1440 | ||
9955d0be ACM |
1441 | err = -1; |
1442 | if (pipe(stdout_fd) < 0) { | |
1443 | pr_err("Failure creating the pipe to run %s\n", command); | |
1444 | goto out_remove_tmp; | |
1445 | } | |
1446 | ||
1447 | pid = fork(); | |
1448 | if (pid < 0) { | |
1449 | pr_err("Failure forking to run %s\n", command); | |
1450 | goto out_close_stdout; | |
1451 | } | |
1452 | ||
1453 | if (pid == 0) { | |
1454 | close(stdout_fd[0]); | |
1455 | dup2(stdout_fd[1], 1); | |
1456 | close(stdout_fd[1]); | |
1457 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1458 | perror(command); | |
1459 | exit(-1); | |
1460 | } | |
1461 | ||
1462 | close(stdout_fd[1]); | |
1463 | ||
1464 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1465 | if (!file) { |
9955d0be | 1466 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1467 | /* |
1468 | * If we were using debug info should retry with | |
1469 | * original binary. | |
1470 | */ | |
2c7da8c5 | 1471 | goto out_remove_tmp; |
62ec9b3f | 1472 | } |
78f7defe | 1473 | |
62ec9b3f AK |
1474 | nline = 0; |
1475 | while (!feof(file)) { | |
786c1b51 | 1476 | if (symbol__parse_objdump_line(sym, map, arch, file, privsize, |
e592488c | 1477 | &lineno) < 0) |
78f7defe | 1478 | break; |
62ec9b3f AK |
1479 | nline++; |
1480 | } | |
1481 | ||
1482 | if (nline == 0) | |
1483 | pr_err("No output from %s\n", command); | |
78f7defe | 1484 | |
484a5e74 AH |
1485 | /* |
1486 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1487 | * Remove it. | |
1488 | */ | |
1489 | if (dso__is_kcore(dso)) | |
1490 | delete_last_nop(sym); | |
1491 | ||
9955d0be ACM |
1492 | fclose(file); |
1493 | err = 0; | |
2c7da8c5 | 1494 | out_remove_tmp: |
9955d0be ACM |
1495 | close(stdout_fd[0]); |
1496 | ||
2c7da8c5 JO |
1497 | if (dso__needs_decompress(dso)) |
1498 | unlink(symfs_filename); | |
3caee094 | 1499 | |
afba19d9 AH |
1500 | if (delete_extract) |
1501 | kcore_extract__delete(&kce); | |
c12944f7 | 1502 | out: |
78f7defe | 1503 | return err; |
9955d0be ACM |
1504 | |
1505 | out_close_stdout: | |
1506 | close(stdout_fd[1]); | |
1507 | goto out_remove_tmp; | |
78f7defe ACM |
1508 | } |
1509 | ||
1510 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1511 | { | |
1512 | struct source_line *iter; | |
1513 | struct rb_node **p = &root->rb_node; | |
1514 | struct rb_node *parent = NULL; | |
1491c22a | 1515 | int i, ret; |
78f7defe ACM |
1516 | |
1517 | while (*p != NULL) { | |
1518 | parent = *p; | |
1519 | iter = rb_entry(parent, struct source_line, node); | |
1520 | ||
41127965 NK |
1521 | ret = strcmp(iter->path, src_line->path); |
1522 | if (ret == 0) { | |
1491c22a | 1523 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1524 | iter->samples[i].percent_sum += src_line->samples[i].percent; |
41127965 NK |
1525 | return; |
1526 | } | |
1527 | ||
1528 | if (ret < 0) | |
1529 | p = &(*p)->rb_left; | |
1530 | else | |
1531 | p = &(*p)->rb_right; | |
1532 | } | |
1533 | ||
1491c22a | 1534 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1535 | src_line->samples[i].percent_sum = src_line->samples[i].percent; |
41127965 NK |
1536 | |
1537 | rb_link_node(&src_line->node, parent, p); | |
1538 | rb_insert_color(&src_line->node, root); | |
1539 | } | |
1540 | ||
1491c22a NK |
1541 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1542 | { | |
1543 | int i; | |
1544 | ||
1545 | for (i = 0; i < a->nr_pcnt; i++) { | |
276af92f | 1546 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1547 | continue; |
276af92f | 1548 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1549 | } |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
41127965 NK |
1554 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1555 | { | |
1556 | struct source_line *iter; | |
1557 | struct rb_node **p = &root->rb_node; | |
1558 | struct rb_node *parent = NULL; | |
1559 | ||
1560 | while (*p != NULL) { | |
1561 | parent = *p; | |
1562 | iter = rb_entry(parent, struct source_line, node); | |
1563 | ||
1491c22a | 1564 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1565 | p = &(*p)->rb_left; |
1566 | else | |
1567 | p = &(*p)->rb_right; | |
1568 | } | |
1569 | ||
1570 | rb_link_node(&src_line->node, parent, p); | |
1571 | rb_insert_color(&src_line->node, root); | |
1572 | } | |
1573 | ||
41127965 NK |
1574 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1575 | { | |
1576 | struct source_line *src_line; | |
1577 | struct rb_node *node; | |
1578 | ||
1579 | node = rb_first(src_root); | |
1580 | while (node) { | |
1581 | struct rb_node *next; | |
1582 | ||
1583 | src_line = rb_entry(node, struct source_line, node); | |
1584 | next = rb_next(node); | |
1585 | rb_erase(node, src_root); | |
1586 | ||
1587 | __resort_source_line(dest_root, src_line); | |
1588 | node = next; | |
1589 | } | |
1590 | } | |
1591 | ||
78f7defe ACM |
1592 | static void symbol__free_source_line(struct symbol *sym, int len) |
1593 | { | |
1594 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1595 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1596 | size_t sizeof_src_line; |
78f7defe ACM |
1597 | int i; |
1598 | ||
1491c22a | 1599 | sizeof_src_line = sizeof(*src_line) + |
276af92f | 1600 | (sizeof(src_line->samples) * (src_line->nr_pcnt - 1)); |
78f7defe | 1601 | |
1491c22a | 1602 | for (i = 0; i < len; i++) { |
f048d548 | 1603 | free_srcline(src_line->path); |
1491c22a NK |
1604 | src_line = (void *)src_line + sizeof_src_line; |
1605 | } | |
1606 | ||
04662523 | 1607 | zfree(¬es->src->lines); |
78f7defe ACM |
1608 | } |
1609 | ||
1610 | /* Get the filename:line for the colored entries */ | |
1611 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1612 | struct perf_evsel *evsel, |
86c98cab | 1613 | struct rb_root *root, int len) |
78f7defe ACM |
1614 | { |
1615 | u64 start; | |
1491c22a NK |
1616 | int i, k; |
1617 | int evidx = evsel->idx; | |
78f7defe ACM |
1618 | struct source_line *src_line; |
1619 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1620 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1621 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1622 | int nr_pcnt = 1; |
1623 | u64 h_sum = h->sum; | |
1624 | size_t sizeof_src_line = sizeof(struct source_line); | |
1625 | ||
1626 | if (perf_evsel__is_group_event(evsel)) { | |
1627 | for (i = 1; i < evsel->nr_members; i++) { | |
1628 | h = annotation__histogram(notes, evidx + i); | |
1629 | h_sum += h->sum; | |
1630 | } | |
1631 | nr_pcnt = evsel->nr_members; | |
276af92f | 1632 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples); |
1491c22a | 1633 | } |
78f7defe | 1634 | |
1491c22a | 1635 | if (!h_sum) |
78f7defe ACM |
1636 | return 0; |
1637 | ||
1491c22a | 1638 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1639 | if (!notes->src->lines) |
78f7defe ACM |
1640 | return -1; |
1641 | ||
f40a0633 | 1642 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1643 | |
1644 | for (i = 0; i < len; i++) { | |
78f7defe | 1645 | u64 offset; |
1491c22a | 1646 | double percent_max = 0.0; |
78f7defe | 1647 | |
1491c22a NK |
1648 | src_line->nr_pcnt = nr_pcnt; |
1649 | ||
1650 | for (k = 0; k < nr_pcnt; k++) { | |
1651 | h = annotation__histogram(notes, evidx + k); | |
276af92f | 1652 | src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum; |
1491c22a | 1653 | |
276af92f ACM |
1654 | if (src_line->samples[k].percent > percent_max) |
1655 | percent_max = src_line->samples[k].percent; | |
1491c22a NK |
1656 | } |
1657 | ||
1658 | if (percent_max <= 0.5) | |
1659 | goto next; | |
78f7defe ACM |
1660 | |
1661 | offset = start + i; | |
85c116a6 | 1662 | src_line->path = get_srcline(map->dso, offset, NULL, false); |
1491c22a | 1663 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1664 | |
1491c22a NK |
1665 | next: |
1666 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1667 | } |
1668 | ||
41127965 | 1669 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1670 | return 0; |
1671 | } | |
1672 | ||
1673 | static void print_summary(struct rb_root *root, const char *filename) | |
1674 | { | |
1675 | struct source_line *src_line; | |
1676 | struct rb_node *node; | |
1677 | ||
1678 | printf("\nSorted summary for file %s\n", filename); | |
1679 | printf("----------------------------------------------\n\n"); | |
1680 | ||
1681 | if (RB_EMPTY_ROOT(root)) { | |
1682 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1683 | return; | |
1684 | } | |
1685 | ||
1686 | node = rb_first(root); | |
1687 | while (node) { | |
1491c22a | 1688 | double percent, percent_max = 0.0; |
78f7defe ACM |
1689 | const char *color; |
1690 | char *path; | |
1491c22a | 1691 | int i; |
78f7defe ACM |
1692 | |
1693 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a | 1694 | for (i = 0; i < src_line->nr_pcnt; i++) { |
276af92f | 1695 | percent = src_line->samples[i].percent_sum; |
1491c22a NK |
1696 | color = get_percent_color(percent); |
1697 | color_fprintf(stdout, color, " %7.2f", percent); | |
1698 | ||
1699 | if (percent > percent_max) | |
1700 | percent_max = percent; | |
1701 | } | |
1702 | ||
78f7defe | 1703 | path = src_line->path; |
1491c22a | 1704 | color = get_percent_color(percent_max); |
f048d548 | 1705 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1706 | |
78f7defe ACM |
1707 | node = rb_next(node); |
1708 | } | |
1709 | } | |
1710 | ||
db8fd07a | 1711 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1712 | { |
1713 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1714 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1715 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1716 | |
1717 | for (offset = 0; offset < len; ++offset) | |
1718 | if (h->addr[offset] != 0) | |
1719 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1720 | sym->start + offset, h->addr[offset]); | |
1721 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1722 | } | |
1723 | ||
db8fd07a NK |
1724 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1725 | struct perf_evsel *evsel, bool full_paths, | |
1726 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1727 | { |
1728 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1729 | char *filename; |
1730 | const char *d_filename; | |
9cdbadce | 1731 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1732 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1733 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
29ed6e76 | 1734 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1735 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1736 | int printed = 2, queue_len = 0; |
36532461 | 1737 | int more = 0; |
78f7defe | 1738 | u64 len; |
b1dd4432 | 1739 | int width = 8; |
53dd9b5f | 1740 | int graph_dotted_len; |
78f7defe | 1741 | |
bfd14b9a DA |
1742 | filename = strdup(dso->long_name); |
1743 | if (!filename) | |
1744 | return -ENOMEM; | |
1745 | ||
78f7defe ACM |
1746 | if (full_paths) |
1747 | d_filename = filename; | |
1748 | else | |
1749 | d_filename = basename(filename); | |
1750 | ||
1b2e2df4 | 1751 | len = symbol__size(sym); |
b1dd4432 | 1752 | |
759ff497 | 1753 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1754 | width *= evsel->nr_members; |
78f7defe | 1755 | |
135cce1b PZI |
1756 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1757 | width, width, "Percent", d_filename, evsel_name, h->sum); | |
9cdbadce | 1758 | |
53dd9b5f | 1759 | printf("%-*.*s----\n", |
9cdbadce | 1760 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe ACM |
1761 | |
1762 | if (verbose) | |
db8fd07a | 1763 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1764 | |
ce6f4fab | 1765 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1766 | if (context && queue == NULL) { |
1767 | queue = pos; | |
1768 | queue_len = 0; | |
1769 | } | |
1770 | ||
db8fd07a | 1771 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1772 | min_pcnt, printed, max_lines, |
1773 | queue)) { | |
36532461 ACM |
1774 | case 0: |
1775 | ++printed; | |
d5e3d747 ACM |
1776 | if (context) { |
1777 | printed += queue_len; | |
1778 | queue = NULL; | |
1779 | queue_len = 0; | |
1780 | } | |
36532461 ACM |
1781 | break; |
1782 | case 1: | |
1783 | /* filtered by max_lines */ | |
1784 | ++more; | |
d040bd36 | 1785 | break; |
36532461 ACM |
1786 | case -1: |
1787 | default: | |
d5e3d747 ACM |
1788 | /* |
1789 | * Filtered by min_pcnt or non IP lines when | |
1790 | * context != 0 | |
1791 | */ | |
1792 | if (!context) | |
1793 | break; | |
1794 | if (queue_len == context) | |
1795 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1796 | else | |
1797 | ++queue_len; | |
36532461 ACM |
1798 | break; |
1799 | } | |
1800 | } | |
1801 | ||
bfd14b9a DA |
1802 | free(filename); |
1803 | ||
36532461 ACM |
1804 | return more; |
1805 | } | |
f1e2701d | 1806 | |
36532461 ACM |
1807 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1808 | { | |
1809 | struct annotation *notes = symbol__annotation(sym); | |
1810 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1811 | ||
ce6f4fab | 1812 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1813 | } |
1814 | ||
ce6f4fab | 1815 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1816 | { |
1817 | struct annotation *notes = symbol__annotation(sym); | |
1818 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1819 | int len = symbol__size(sym), offset; |
36532461 ACM |
1820 | |
1821 | h->sum = 0; | |
8b84a568 ACM |
1822 | for (offset = 0; offset < len; ++offset) { |
1823 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1824 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1825 | } |
1826 | } | |
1827 | ||
29ed6e76 | 1828 | void disasm__purge(struct list_head *head) |
f1e2701d | 1829 | { |
29ed6e76 | 1830 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1831 | |
1832 | list_for_each_entry_safe(pos, n, head, node) { | |
1833 | list_del(&pos->node); | |
29ed6e76 | 1834 | disasm_line__free(pos); |
f1e2701d ACM |
1835 | } |
1836 | } | |
1837 | ||
5145418b ACM |
1838 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1839 | { | |
1840 | size_t printed; | |
1841 | ||
1842 | if (dl->offset == -1) | |
1843 | return fprintf(fp, "%s\n", dl->line); | |
1844 | ||
75b49202 | 1845 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->ins.name); |
5145418b | 1846 | |
c7e6ead7 | 1847 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1848 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1849 | dl->ops.raw); |
5145418b ACM |
1850 | } |
1851 | ||
1852 | return printed + fprintf(fp, "\n"); | |
1853 | } | |
1854 | ||
1855 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1856 | { | |
1857 | struct disasm_line *pos; | |
1858 | size_t printed = 0; | |
1859 | ||
1860 | list_for_each_entry(pos, head, node) | |
1861 | printed += disasm_line__fprintf(pos, fp); | |
1862 | ||
1863 | return printed; | |
1864 | } | |
1865 | ||
db8fd07a NK |
1866 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1867 | struct perf_evsel *evsel, bool print_lines, | |
1868 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1869 | { |
1870 | struct dso *dso = map->dso; | |
f1e2701d | 1871 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1872 | u64 len; |
1873 | ||
786c1b51 | 1874 | if (symbol__disassemble(sym, map, perf_evsel__env_arch(evsel), 0) < 0) |
f1e2701d ACM |
1875 | return -1; |
1876 | ||
1b2e2df4 | 1877 | len = symbol__size(sym); |
f1e2701d ACM |
1878 | |
1879 | if (print_lines) { | |
4a4c03c1 | 1880 | srcline_full_filename = full_paths; |
86c98cab NK |
1881 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1882 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1883 | } |
1884 | ||
db8fd07a | 1885 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1886 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1887 | if (print_lines) |
1888 | symbol__free_source_line(sym, len); | |
1889 | ||
29ed6e76 | 1890 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1891 | |
78f7defe ACM |
1892 | return 0; |
1893 | } | |
f626adff | 1894 | |
48c65bda NK |
1895 | bool ui__has_annotation(void) |
1896 | { | |
2e0453af | 1897 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 1898 | } |