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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 | ||
fd20e811 | 10 | #include <inttypes.h> |
78f7defe | 11 | #include "util.h" |
48c65bda NK |
12 | #include "ui/ui.h" |
13 | #include "sort.h" | |
78f7defe ACM |
14 | #include "build-id.h" |
15 | #include "color.h" | |
16 | #include "cache.h" | |
17 | #include "symbol.h" | |
18 | #include "debug.h" | |
19 | #include "annotate.h" | |
db8fd07a | 20 | #include "evsel.h" |
70fbe057 | 21 | #include "block-range.h" |
786c1b51 | 22 | #include "arch/common.h" |
e592488c | 23 | #include <regex.h> |
ce6f4fab | 24 | #include <pthread.h> |
4383db88 | 25 | #include <linux/bitops.h> |
877a7a11 | 26 | #include <linux/kernel.h> |
786c1b51 | 27 | #include <sys/utsname.h> |
78f7defe | 28 | |
f69b64f7 | 29 | const char *disassembler_style; |
7a4ec938 | 30 | const char *objdump_path; |
e592488c | 31 | static regex_t file_lineno; |
f69b64f7 | 32 | |
75b49202 | 33 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 34 | static void ins__sort(struct arch *arch); |
75b49202 | 35 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 36 | |
786c1b51 ACM |
37 | struct arch { |
38 | const char *name; | |
763d8960 ACM |
39 | struct ins *instructions; |
40 | size_t nr_instructions; | |
2a1ff812 ACM |
41 | size_t nr_instructions_allocated; |
42 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 43 | bool sorted_instructions; |
0781ea92 ACM |
44 | bool initialized; |
45 | void *priv; | |
46 | int (*init)(struct arch *arch); | |
786c1b51 ACM |
47 | struct { |
48 | char comment_char; | |
9c2fb451 | 49 | char skip_functions_char; |
786c1b51 ACM |
50 | } objdump; |
51 | }; | |
52 | ||
763d8960 ACM |
53 | static struct ins_ops call_ops; |
54 | static struct ins_ops dec_ops; | |
55 | static struct ins_ops jump_ops; | |
56 | static struct ins_ops mov_ops; | |
57 | static struct ins_ops nop_ops; | |
58 | static struct ins_ops lock_ops; | |
59 | static struct ins_ops ret_ops; | |
60 | ||
2a1ff812 ACM |
61 | static int arch__grow_instructions(struct arch *arch) |
62 | { | |
63 | struct ins *new_instructions; | |
64 | size_t new_nr_allocated; | |
65 | ||
66 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
67 | goto grow_from_non_allocated_table; | |
68 | ||
69 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
70 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
71 | if (new_instructions == NULL) | |
72 | return -1; | |
73 | ||
74 | out_update_instructions: | |
75 | arch->instructions = new_instructions; | |
76 | arch->nr_instructions_allocated = new_nr_allocated; | |
77 | return 0; | |
78 | ||
79 | grow_from_non_allocated_table: | |
80 | new_nr_allocated = arch->nr_instructions + 128; | |
81 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
82 | if (new_instructions == NULL) | |
83 | return -1; | |
84 | ||
85 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
86 | goto out_update_instructions; | |
87 | } | |
88 | ||
acc9bfb5 | 89 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
90 | { |
91 | struct ins *ins; | |
92 | ||
93 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
94 | arch__grow_instructions(arch)) | |
95 | return -1; | |
96 | ||
97 | ins = &arch->instructions[arch->nr_instructions]; | |
98 | ins->name = strdup(name); | |
99 | if (!ins->name) | |
100 | return -1; | |
101 | ||
102 | ins->ops = ops; | |
103 | arch->nr_instructions++; | |
104 | ||
105 | ins__sort(arch); | |
106 | return 0; | |
107 | } | |
108 | ||
763d8960 | 109 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 110 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 111 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 112 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 113 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 114 | |
786c1b51 ACM |
115 | static struct arch architectures[] = { |
116 | { | |
117 | .name = "arm", | |
acc9bfb5 | 118 | .init = arm__annotate_init, |
786c1b51 | 119 | }, |
0fcb1da4 KP |
120 | { |
121 | .name = "arm64", | |
122 | .init = arm64__annotate_init, | |
123 | }, | |
786c1b51 ACM |
124 | { |
125 | .name = "x86", | |
763d8960 ACM |
126 | .instructions = x86__instructions, |
127 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
786c1b51 ACM |
128 | .objdump = { |
129 | .comment_char = '#', | |
130 | }, | |
131 | }, | |
dbdebdc5 RB |
132 | { |
133 | .name = "powerpc", | |
134 | .init = powerpc__annotate_init, | |
135 | }, | |
e77852b3 CB |
136 | { |
137 | .name = "s390", | |
d9f8dfa9 | 138 | .init = s390__annotate_init, |
e77852b3 CB |
139 | .objdump = { |
140 | .comment_char = '#', | |
141 | }, | |
142 | }, | |
786c1b51 ACM |
143 | }; |
144 | ||
c46219ac ACM |
145 | static void ins__delete(struct ins_operands *ops) |
146 | { | |
3995614d ACM |
147 | if (ops == NULL) |
148 | return; | |
74cf249d ACM |
149 | zfree(&ops->source.raw); |
150 | zfree(&ops->source.name); | |
151 | zfree(&ops->target.raw); | |
152 | zfree(&ops->target.name); | |
c46219ac ACM |
153 | } |
154 | ||
5417072b ACM |
155 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
156 | struct ins_operands *ops) | |
157 | { | |
158 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
159 | } | |
160 | ||
161 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
162 | struct ins_operands *ops) | |
163 | { | |
164 | if (ins->ops->scnprintf) | |
165 | return ins->ops->scnprintf(ins, bf, size, ops); | |
166 | ||
167 | return ins__raw_scnprintf(ins, bf, size, ops); | |
168 | } | |
169 | ||
9c2fb451 | 170 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 171 | { |
d2232885 ACM |
172 | char *endptr, *tok, *name; |
173 | ||
44d1a3ed | 174 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
175 | |
176 | name = strchr(endptr, '<'); | |
177 | if (name == NULL) | |
178 | goto indirect_call; | |
179 | ||
180 | name++; | |
181 | ||
9c2fb451 ACM |
182 | if (arch->objdump.skip_functions_char && |
183 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 184 | return -1; |
cfef25b8 | 185 | |
d2232885 ACM |
186 | tok = strchr(name, '>'); |
187 | if (tok == NULL) | |
188 | return -1; | |
189 | ||
190 | *tok = '\0'; | |
44d1a3ed | 191 | ops->target.name = strdup(name); |
d2232885 ACM |
192 | *tok = '>'; |
193 | ||
44d1a3ed | 194 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
195 | |
196 | indirect_call: | |
88a7fcf9 RB |
197 | tok = strchr(endptr, '*'); |
198 | if (tok == NULL) { | |
5f62d4fd ACM |
199 | struct symbol *sym = map__find_symbol(map, map->map_ip(map, ops->target.addr)); |
200 | if (sym != NULL) | |
201 | ops->target.name = strdup(sym->name); | |
202 | else | |
203 | ops->target.addr = 0; | |
e8ea1561 ACM |
204 | return 0; |
205 | } | |
206 | ||
44d1a3ed | 207 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
208 | return 0; |
209 | } | |
210 | ||
d2232885 | 211 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 212 | struct ins_operands *ops) |
d2232885 | 213 | { |
44d1a3ed ACM |
214 | if (ops->target.name) |
215 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 216 | |
e8ea1561 ACM |
217 | if (ops->target.addr == 0) |
218 | return ins__raw_scnprintf(ins, bf, size, ops); | |
219 | ||
44d1a3ed | 220 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
221 | } |
222 | ||
d86b0597 | 223 | static struct ins_ops call_ops = { |
d2232885 ACM |
224 | .parse = call__parse, |
225 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
226 | }; |
227 | ||
228 | bool ins__is_call(const struct ins *ins) | |
229 | { | |
230 | return ins->ops == &call_ops; | |
231 | } | |
232 | ||
786c1b51 | 233 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 234 | { |
c7e6ead7 | 235 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 236 | const char *c = strchr(ops->raw, ','); |
4f9d0325 | 237 | |
3ee2eb6d RB |
238 | if (c++ != NULL) |
239 | ops->target.addr = strtoull(c, NULL, 16); | |
240 | else | |
241 | ops->target.addr = strtoull(ops->raw, NULL, 16); | |
fb29fa58 | 242 | |
e216874c | 243 | if (s++ != NULL) { |
bbb7f846 | 244 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
245 | ops->target.offset_avail = true; |
246 | } else { | |
247 | ops->target.offset_avail = false; | |
248 | } | |
4f9d0325 | 249 | |
4f9d0325 ACM |
250 | return 0; |
251 | } | |
252 | ||
c7e6ead7 | 253 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 254 | struct ins_operands *ops) |
28548d78 | 255 | { |
e216874c | 256 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
257 | return ins__raw_scnprintf(ins, bf, size, ops); |
258 | ||
44d1a3ed | 259 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
260 | } |
261 | ||
4f9d0325 | 262 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
263 | .parse = jump__parse, |
264 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
265 | }; |
266 | ||
267 | bool ins__is_jump(const struct ins *ins) | |
268 | { | |
269 | return ins->ops == &jump_ops; | |
270 | } | |
271 | ||
6de783b6 ACM |
272 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
273 | { | |
274 | char *endptr, *name, *t; | |
275 | ||
276 | if (strstr(raw, "(%rip)") == NULL) | |
277 | return 0; | |
278 | ||
279 | *addrp = strtoull(comment, &endptr, 16); | |
280 | name = strchr(endptr, '<'); | |
281 | if (name == NULL) | |
282 | return -1; | |
283 | ||
284 | name++; | |
285 | ||
286 | t = strchr(name, '>'); | |
287 | if (t == NULL) | |
288 | return 0; | |
289 | ||
290 | *t = '\0'; | |
291 | *namep = strdup(name); | |
292 | *t = '>'; | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
786c1b51 | 297 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 298 | { |
7a997fe4 ACM |
299 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
300 | if (ops->locked.ops == NULL) | |
301 | return 0; | |
302 | ||
75b49202 | 303 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
304 | goto out_free_ops; |
305 | ||
75b49202 | 306 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 307 | |
75b49202 | 308 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 309 | goto out_free_ops; |
7a997fe4 | 310 | |
75b49202 ACM |
311 | if (ops->locked.ins.ops->parse && |
312 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 313 | goto out_free_ops; |
7a997fe4 ACM |
314 | |
315 | return 0; | |
316 | ||
317 | out_free_ops: | |
04662523 | 318 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
319 | return 0; |
320 | } | |
321 | ||
322 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
323 | struct ins_operands *ops) | |
324 | { | |
325 | int printed; | |
326 | ||
75b49202 | 327 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
328 | return ins__raw_scnprintf(ins, bf, size, ops); |
329 | ||
330 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
75b49202 | 331 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
332 | size - printed, ops->locked.ops); |
333 | } | |
334 | ||
c46219ac ACM |
335 | static void lock__delete(struct ins_operands *ops) |
336 | { | |
75b49202 | 337 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 338 | |
75b49202 | 339 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
340 | ins->ops->free(ops->locked.ops); |
341 | else | |
342 | ins__delete(ops->locked.ops); | |
343 | ||
74cf249d ACM |
344 | zfree(&ops->locked.ops); |
345 | zfree(&ops->target.raw); | |
346 | zfree(&ops->target.name); | |
c46219ac ACM |
347 | } |
348 | ||
7a997fe4 | 349 | static struct ins_ops lock_ops = { |
c46219ac | 350 | .free = lock__delete, |
7a997fe4 ACM |
351 | .parse = lock__parse, |
352 | .scnprintf = lock__scnprintf, | |
353 | }; | |
354 | ||
786c1b51 | 355 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
356 | { |
357 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
358 | ||
359 | if (s == NULL) | |
360 | return -1; | |
361 | ||
362 | *s = '\0'; | |
363 | ops->source.raw = strdup(ops->raw); | |
364 | *s = ','; | |
48000a1a | 365 | |
6de783b6 ACM |
366 | if (ops->source.raw == NULL) |
367 | return -1; | |
368 | ||
369 | target = ++s; | |
786c1b51 | 370 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
371 | |
372 | if (comment != NULL) | |
373 | s = comment - 1; | |
374 | else | |
375 | s = strchr(s, '\0') - 1; | |
6de783b6 | 376 | |
1e2bb043 AC |
377 | while (s > target && isspace(s[0])) |
378 | --s; | |
379 | s++; | |
6de783b6 ACM |
380 | prev = *s; |
381 | *s = '\0'; | |
382 | ||
383 | ops->target.raw = strdup(target); | |
384 | *s = prev; | |
385 | ||
386 | if (ops->target.raw == NULL) | |
387 | goto out_free_source; | |
388 | ||
6de783b6 ACM |
389 | if (comment == NULL) |
390 | return 0; | |
391 | ||
4597cf06 | 392 | comment = ltrim(comment); |
6de783b6 ACM |
393 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); |
394 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
395 | ||
396 | return 0; | |
397 | ||
398 | out_free_source: | |
04662523 | 399 | zfree(&ops->source.raw); |
6de783b6 ACM |
400 | return -1; |
401 | } | |
402 | ||
403 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
404 | struct ins_operands *ops) | |
405 | { | |
406 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
407 | ops->source.name ?: ops->source.raw, | |
408 | ops->target.name ?: ops->target.raw); | |
409 | } | |
410 | ||
411 | static struct ins_ops mov_ops = { | |
412 | .parse = mov__parse, | |
413 | .scnprintf = mov__scnprintf, | |
414 | }; | |
415 | ||
786c1b51 | 416 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
417 | { |
418 | char *target, *comment, *s, prev; | |
419 | ||
420 | target = s = ops->raw; | |
421 | ||
422 | while (s[0] != '\0' && !isspace(s[0])) | |
423 | ++s; | |
424 | prev = *s; | |
425 | *s = '\0'; | |
426 | ||
427 | ops->target.raw = strdup(target); | |
428 | *s = prev; | |
429 | ||
430 | if (ops->target.raw == NULL) | |
431 | return -1; | |
432 | ||
859afa6c | 433 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
434 | if (comment == NULL) |
435 | return 0; | |
436 | ||
4597cf06 | 437 | comment = ltrim(comment); |
a43712c4 ACM |
438 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); |
439 | ||
440 | return 0; | |
441 | } | |
442 | ||
443 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
444 | struct ins_operands *ops) | |
445 | { | |
446 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
447 | ops->target.name ?: ops->target.raw); | |
448 | } | |
449 | ||
450 | static struct ins_ops dec_ops = { | |
451 | .parse = dec__parse, | |
452 | .scnprintf = dec__scnprintf, | |
453 | }; | |
454 | ||
1d037ca1 IT |
455 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
456 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
457 | { |
458 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
459 | } | |
460 | ||
461 | static struct ins_ops nop_ops = { | |
462 | .scnprintf = nop__scnprintf, | |
463 | }; | |
464 | ||
6ef94929 NR |
465 | static struct ins_ops ret_ops = { |
466 | .scnprintf = ins__raw_scnprintf, | |
467 | }; | |
468 | ||
469 | bool ins__is_ret(const struct ins *ins) | |
470 | { | |
471 | return ins->ops == &ret_ops; | |
472 | } | |
473 | ||
7e4c1498 | 474 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
475 | { |
476 | const struct ins *ins = insp; | |
477 | ||
478 | return strcmp(name, ins->name); | |
479 | } | |
480 | ||
7e4c1498 CR |
481 | static int ins__cmp(const void *a, const void *b) |
482 | { | |
483 | const struct ins *ia = a; | |
484 | const struct ins *ib = b; | |
485 | ||
486 | return strcmp(ia->name, ib->name); | |
487 | } | |
488 | ||
763d8960 | 489 | static void ins__sort(struct arch *arch) |
7e4c1498 | 490 | { |
763d8960 | 491 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 492 | |
763d8960 | 493 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
494 | } |
495 | ||
2a1ff812 | 496 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 497 | { |
75b49202 | 498 | struct ins *ins; |
763d8960 | 499 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 500 | |
763d8960 ACM |
501 | if (!arch->sorted_instructions) { |
502 | ins__sort(arch); | |
503 | arch->sorted_instructions = true; | |
7e4c1498 | 504 | } |
4f9d0325 | 505 | |
75b49202 ACM |
506 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
507 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
508 | } |
509 | ||
2a1ff812 ACM |
510 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
511 | { | |
512 | struct ins_ops *ops = __ins__find(arch, name); | |
513 | ||
514 | if (!ops && arch->associate_instruction_ops) | |
515 | ops = arch->associate_instruction_ops(arch, name); | |
516 | ||
517 | return ops; | |
518 | } | |
519 | ||
786c1b51 ACM |
520 | static int arch__key_cmp(const void *name, const void *archp) |
521 | { | |
522 | const struct arch *arch = archp; | |
523 | ||
524 | return strcmp(name, arch->name); | |
525 | } | |
526 | ||
527 | static int arch__cmp(const void *a, const void *b) | |
528 | { | |
529 | const struct arch *aa = a; | |
530 | const struct arch *ab = b; | |
531 | ||
532 | return strcmp(aa->name, ab->name); | |
533 | } | |
534 | ||
535 | static void arch__sort(void) | |
536 | { | |
537 | const int nmemb = ARRAY_SIZE(architectures); | |
538 | ||
539 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
540 | } | |
541 | ||
542 | static struct arch *arch__find(const char *name) | |
543 | { | |
544 | const int nmemb = ARRAY_SIZE(architectures); | |
545 | static bool sorted; | |
546 | ||
547 | if (!sorted) { | |
548 | arch__sort(); | |
549 | sorted = true; | |
550 | } | |
551 | ||
552 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
553 | } | |
554 | ||
d04b35f8 | 555 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
556 | { |
557 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 558 | const size_t size = symbol__size(sym); |
8696329b CS |
559 | size_t sizeof_sym_hist; |
560 | ||
561 | /* Check for overflow when calculating sizeof_sym_hist */ | |
562 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
563 | return -1; | |
564 | ||
565 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
566 | ||
567 | /* Check for overflow in zalloc argument */ | |
568 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
569 | / symbol_conf.nr_events) | |
570 | return -1; | |
ce6f4fab | 571 | |
d04b35f8 | 572 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
573 | if (notes->src == NULL) |
574 | return -1; | |
575 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 576 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
577 | INIT_LIST_HEAD(¬es->src->source); |
578 | return 0; | |
78f7defe ACM |
579 | } |
580 | ||
d4957633 AK |
581 | /* The cycles histogram is lazily allocated. */ |
582 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
583 | { | |
584 | struct annotation *notes = symbol__annotation(sym); | |
585 | const size_t size = symbol__size(sym); | |
586 | ||
587 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
588 | if (notes->src->cycles_hist == NULL) | |
589 | return -1; | |
590 | return 0; | |
591 | } | |
592 | ||
36532461 ACM |
593 | void symbol__annotate_zero_histograms(struct symbol *sym) |
594 | { | |
595 | struct annotation *notes = symbol__annotation(sym); | |
596 | ||
ce6f4fab | 597 | pthread_mutex_lock(¬es->lock); |
d4957633 | 598 | if (notes->src != NULL) { |
ce6f4fab ACM |
599 | memset(notes->src->histograms, 0, |
600 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
601 | if (notes->src->cycles_hist) |
602 | memset(notes->src->cycles_hist, 0, | |
603 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
604 | } | |
ce6f4fab | 605 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
606 | } |
607 | ||
d4957633 AK |
608 | static int __symbol__account_cycles(struct annotation *notes, |
609 | u64 start, | |
610 | unsigned offset, unsigned cycles, | |
611 | unsigned have_start) | |
612 | { | |
613 | struct cyc_hist *ch; | |
614 | ||
615 | ch = notes->src->cycles_hist; | |
616 | /* | |
617 | * For now we can only account one basic block per | |
618 | * final jump. But multiple could be overlapping. | |
619 | * Always account the longest one. So when | |
620 | * a shorter one has been already seen throw it away. | |
621 | * | |
622 | * We separately always account the full cycles. | |
623 | */ | |
624 | ch[offset].num_aggr++; | |
625 | ch[offset].cycles_aggr += cycles; | |
626 | ||
627 | if (!have_start && ch[offset].have_start) | |
628 | return 0; | |
629 | if (ch[offset].num) { | |
630 | if (have_start && (!ch[offset].have_start || | |
631 | ch[offset].start > start)) { | |
632 | ch[offset].have_start = 0; | |
633 | ch[offset].cycles = 0; | |
634 | ch[offset].num = 0; | |
635 | if (ch[offset].reset < 0xffff) | |
636 | ch[offset].reset++; | |
637 | } else if (have_start && | |
638 | ch[offset].start < start) | |
639 | return 0; | |
640 | } | |
641 | ch[offset].have_start = have_start; | |
642 | ch[offset].start = start; | |
643 | ch[offset].cycles += cycles; | |
644 | ch[offset].num++; | |
645 | return 0; | |
646 | } | |
647 | ||
b66d8c0c ACM |
648 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
649 | struct annotation *notes, int evidx, u64 addr) | |
78f7defe | 650 | { |
2f525d01 | 651 | unsigned offset; |
78f7defe ACM |
652 | struct sym_hist *h; |
653 | ||
78f7defe ACM |
654 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
655 | ||
edee44be RB |
656 | if ((addr < sym->start || addr >= sym->end) && |
657 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
658 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
659 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 660 | return -ERANGE; |
e3d006ce | 661 | } |
78f7defe | 662 | |
2f525d01 ACM |
663 | offset = addr - sym->start; |
664 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
665 | h->sum++; |
666 | h->addr[offset]++; | |
667 | ||
668 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
669 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
670 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
671 | return 0; |
672 | } | |
673 | ||
d4957633 | 674 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
675 | { |
676 | struct annotation *notes = symbol__annotation(sym); | |
677 | ||
678 | if (notes->src == NULL) { | |
679 | if (symbol__alloc_hist(sym) < 0) | |
680 | return NULL; | |
681 | } | |
d4957633 AK |
682 | if (!notes->src->cycles_hist && cycles) { |
683 | if (symbol__alloc_hist_cycles(sym) < 0) | |
684 | return NULL; | |
685 | } | |
83be34a7 AK |
686 | return notes; |
687 | } | |
688 | ||
44e83039 ACM |
689 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
690 | int evidx, u64 addr) | |
b66d8c0c ACM |
691 | { |
692 | struct annotation *notes; | |
693 | ||
48c65bda | 694 | if (sym == NULL) |
b66d8c0c | 695 | return 0; |
d4957633 | 696 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
697 | if (notes == NULL) |
698 | return -ENOMEM; | |
b66d8c0c ACM |
699 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); |
700 | } | |
701 | ||
d4957633 AK |
702 | static int symbol__account_cycles(u64 addr, u64 start, |
703 | struct symbol *sym, unsigned cycles) | |
704 | { | |
705 | struct annotation *notes; | |
706 | unsigned offset; | |
707 | ||
708 | if (sym == NULL) | |
709 | return 0; | |
710 | notes = symbol__get_annotation(sym, true); | |
711 | if (notes == NULL) | |
712 | return -ENOMEM; | |
713 | if (addr < sym->start || addr >= sym->end) | |
714 | return -ERANGE; | |
715 | ||
716 | if (start) { | |
717 | if (start < sym->start || start >= sym->end) | |
718 | return -ERANGE; | |
719 | if (start >= addr) | |
720 | start = 0; | |
721 | } | |
722 | offset = addr - sym->start; | |
723 | return __symbol__account_cycles(notes, | |
724 | start ? start - sym->start : 0, | |
725 | offset, cycles, | |
726 | !!start); | |
727 | } | |
728 | ||
729 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
730 | struct addr_map_symbol *start, | |
731 | unsigned cycles) | |
732 | { | |
3d7245b0 | 733 | u64 saddr = 0; |
d4957633 AK |
734 | int err; |
735 | ||
736 | if (!cycles) | |
737 | return 0; | |
738 | ||
739 | /* | |
740 | * Only set start when IPC can be computed. We can only | |
741 | * compute it when the basic block is completely in a single | |
742 | * function. | |
743 | * Special case the case when the jump is elsewhere, but | |
744 | * it starts on the function start. | |
745 | */ | |
746 | if (start && | |
747 | (start->sym == ams->sym || | |
748 | (ams->sym && | |
749 | start->addr == ams->sym->start + ams->map->start))) | |
750 | saddr = start->al_addr; | |
751 | if (saddr == 0) | |
3d7245b0 | 752 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
753 | ams->addr, |
754 | start ? start->addr : 0, | |
755 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
756 | saddr); | |
757 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
758 | if (err) | |
759 | pr_debug2("account_cycles failed %d\n", err); | |
760 | return err; | |
761 | } | |
762 | ||
0f4e7a24 ACM |
763 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
764 | { | |
765 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
766 | } | |
767 | ||
f626adff ACM |
768 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
769 | { | |
770 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
771 | } | |
772 | ||
786c1b51 | 773 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 774 | { |
75b49202 | 775 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 776 | |
75b49202 | 777 | if (!dl->ins.ops) |
4f9d0325 ACM |
778 | return; |
779 | ||
75b49202 ACM |
780 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
781 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
782 | } |
783 | ||
75b49202 | 784 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 785 | { |
4597cf06 | 786 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
787 | |
788 | if (name[0] == '\0') | |
789 | return -1; | |
790 | ||
791 | *rawp = name + 1; | |
792 | ||
793 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
794 | ++*rawp; | |
795 | ||
796 | tmp = (*rawp)[0]; | |
797 | (*rawp)[0] = '\0'; | |
798 | *namep = strdup(name); | |
799 | ||
800 | if (*namep == NULL) | |
801 | goto out_free_name; | |
802 | ||
803 | (*rawp)[0] = tmp; | |
4597cf06 | 804 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
805 | |
806 | return 0; | |
807 | ||
808 | out_free_name: | |
75b49202 ACM |
809 | free((void *)namep); |
810 | *namep = NULL; | |
7a997fe4 ACM |
811 | return -1; |
812 | } | |
813 | ||
e592488c | 814 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
bff5c306 | 815 | size_t privsize, int line_nr, |
786c1b51 | 816 | struct arch *arch, |
bff5c306 | 817 | struct map *map) |
78f7defe | 818 | { |
5145418b | 819 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 820 | |
29ed6e76 ACM |
821 | if (dl != NULL) { |
822 | dl->offset = offset; | |
823 | dl->line = strdup(line); | |
e592488c | 824 | dl->line_nr = line_nr; |
29ed6e76 | 825 | if (dl->line == NULL) |
058b4cc9 | 826 | goto out_delete; |
5145418b ACM |
827 | |
828 | if (offset != -1) { | |
75b49202 | 829 | if (disasm_line__parse(dl->line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
830 | goto out_free_line; |
831 | ||
786c1b51 | 832 | disasm_line__init_ins(dl, arch, map); |
5145418b | 833 | } |
78f7defe ACM |
834 | } |
835 | ||
29ed6e76 | 836 | return dl; |
5145418b ACM |
837 | |
838 | out_free_line: | |
74cf249d | 839 | zfree(&dl->line); |
058b4cc9 | 840 | out_delete: |
29ed6e76 | 841 | free(dl); |
058b4cc9 | 842 | return NULL; |
78f7defe ACM |
843 | } |
844 | ||
29ed6e76 | 845 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 846 | { |
74cf249d | 847 | zfree(&dl->line); |
75b49202 ACM |
848 | if (dl->ins.ops && dl->ins.ops->free) |
849 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
850 | else |
851 | ins__delete(&dl->ops); | |
75b49202 ACM |
852 | free((void *)dl->ins.name); |
853 | dl->ins.name = NULL; | |
29ed6e76 | 854 | free(dl); |
78f7defe ACM |
855 | } |
856 | ||
5417072b ACM |
857 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
858 | { | |
75b49202 ACM |
859 | if (raw || !dl->ins.ops) |
860 | return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw); | |
5417072b | 861 | |
75b49202 | 862 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
863 | } |
864 | ||
29ed6e76 | 865 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
866 | { |
867 | list_add_tail(&line->node, head); | |
868 | } | |
869 | ||
29ed6e76 | 870 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
871 | { |
872 | list_for_each_entry_continue(pos, head, node) | |
873 | if (pos->offset >= 0) | |
874 | return pos; | |
875 | ||
876 | return NULL; | |
877 | } | |
878 | ||
e64aa75b | 879 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
0c4a5bce | 880 | s64 end, const char **path, u64 *nr_samples) |
e5ccf9f4 NK |
881 | { |
882 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 | 883 | double percent = 0.0; |
0c4a5bce | 884 | *nr_samples = 0; |
e5ccf9f4 | 885 | |
bd64fcb8 | 886 | if (src_line) { |
1491c22a | 887 | size_t sizeof_src_line = sizeof(*src_line) + |
276af92f | 888 | sizeof(src_line->samples) * (src_line->nr_pcnt - 1); |
1491c22a | 889 | |
bd64fcb8 | 890 | while (offset < end) { |
1491c22a NK |
891 | src_line = (void *)notes->src->lines + |
892 | (sizeof_src_line * offset); | |
893 | ||
e5ccf9f4 | 894 | if (*path == NULL) |
1491c22a | 895 | *path = src_line->path; |
e5ccf9f4 | 896 | |
276af92f ACM |
897 | percent += src_line->samples[evidx].percent; |
898 | *nr_samples += src_line->samples[evidx].nr; | |
1491c22a | 899 | offset++; |
bd64fcb8 NK |
900 | } |
901 | } else { | |
1491c22a NK |
902 | struct sym_hist *h = annotation__histogram(notes, evidx); |
903 | unsigned int hits = 0; | |
904 | ||
bd64fcb8 NK |
905 | while (offset < end) |
906 | hits += h->addr[offset++]; | |
e5ccf9f4 | 907 | |
0c4a5bce ML |
908 | if (h->sum) { |
909 | *nr_samples = hits; | |
bd64fcb8 | 910 | percent = 100.0 * hits / h->sum; |
0c4a5bce | 911 | } |
bd64fcb8 | 912 | } |
e5ccf9f4 NK |
913 | |
914 | return percent; | |
915 | } | |
916 | ||
70fbe057 PZ |
917 | static const char *annotate__address_color(struct block_range *br) |
918 | { | |
919 | double cov = block_range__coverage(br); | |
920 | ||
921 | if (cov >= 0) { | |
922 | /* mark red for >75% coverage */ | |
923 | if (cov > 0.75) | |
924 | return PERF_COLOR_RED; | |
925 | ||
926 | /* mark dull for <1% coverage */ | |
927 | if (cov < 0.01) | |
928 | return PERF_COLOR_NORMAL; | |
929 | } | |
930 | ||
931 | return PERF_COLOR_MAGENTA; | |
932 | } | |
933 | ||
934 | static const char *annotate__asm_color(struct block_range *br) | |
935 | { | |
936 | double cov = block_range__coverage(br); | |
937 | ||
938 | if (cov >= 0) { | |
939 | /* mark dull for <1% coverage */ | |
940 | if (cov < 0.01) | |
941 | return PERF_COLOR_NORMAL; | |
942 | } | |
943 | ||
944 | return PERF_COLOR_BLUE; | |
945 | } | |
946 | ||
947 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
948 | { | |
949 | bool emit_comment = true; | |
950 | ||
951 | if (!br) | |
952 | return; | |
953 | ||
954 | #if 1 | |
955 | if (br->is_target && br->start == addr) { | |
956 | struct block_range *branch = br; | |
957 | double p; | |
958 | ||
959 | /* | |
960 | * Find matching branch to our target. | |
961 | */ | |
962 | while (!branch->is_branch) | |
963 | branch = block_range__next(branch); | |
964 | ||
965 | p = 100 *(double)br->entry / branch->coverage; | |
966 | ||
967 | if (p > 0.1) { | |
968 | if (emit_comment) { | |
969 | emit_comment = false; | |
970 | printf("\t#"); | |
971 | } | |
972 | ||
973 | /* | |
974 | * The percentage of coverage joined at this target in relation | |
975 | * to the next branch. | |
976 | */ | |
977 | printf(" +%.2f%%", p); | |
978 | } | |
979 | } | |
980 | #endif | |
981 | if (br->is_branch && br->end == addr) { | |
982 | double p = 100*(double)br->taken / br->coverage; | |
983 | ||
984 | if (p > 0.1) { | |
985 | if (emit_comment) { | |
986 | emit_comment = false; | |
987 | printf("\t#"); | |
988 | } | |
989 | ||
990 | /* | |
991 | * The percentage of coverage leaving at this branch, and | |
992 | * its prediction ratio. | |
993 | */ | |
994 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
995 | } | |
996 | } | |
997 | } | |
998 | ||
999 | ||
29ed6e76 | 1000 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 1001 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 1002 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
1003 | { |
1004 | static const char *prev_line; | |
1005 | static const char *prev_color; | |
1006 | ||
29ed6e76 | 1007 | if (dl->offset != -1) { |
78f7defe | 1008 | const char *path = NULL; |
0c4a5bce | 1009 | u64 nr_samples; |
b1dd4432 NK |
1010 | double percent, max_percent = 0.0; |
1011 | double *ppercents = &percent; | |
0c4a5bce | 1012 | u64 *psamples = &nr_samples; |
b1dd4432 | 1013 | int i, nr_percent = 1; |
78f7defe ACM |
1014 | const char *color; |
1015 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 1016 | s64 offset = dl->offset; |
058b4cc9 | 1017 | const u64 addr = start + offset; |
29ed6e76 | 1018 | struct disasm_line *next; |
70fbe057 | 1019 | struct block_range *br; |
ce6f4fab | 1020 | |
29ed6e76 | 1021 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 1022 | |
759ff497 | 1023 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
1024 | nr_percent = evsel->nr_members; |
1025 | ppercents = calloc(nr_percent, sizeof(double)); | |
0c4a5bce ML |
1026 | psamples = calloc(nr_percent, sizeof(u64)); |
1027 | if (ppercents == NULL || psamples == NULL) { | |
b1dd4432 | 1028 | return -1; |
0c4a5bce | 1029 | } |
b1dd4432 NK |
1030 | } |
1031 | ||
1032 | for (i = 0; i < nr_percent; i++) { | |
1033 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
1034 | notes->src->lines ? i : evsel->idx + i, |
1035 | offset, | |
1036 | next ? next->offset : (s64) len, | |
0c4a5bce | 1037 | &path, &nr_samples); |
b1dd4432 NK |
1038 | |
1039 | ppercents[i] = percent; | |
0c4a5bce | 1040 | psamples[i] = nr_samples; |
b1dd4432 NK |
1041 | if (percent > max_percent) |
1042 | max_percent = percent; | |
1043 | } | |
1044 | ||
1045 | if (max_percent < min_pcnt) | |
36532461 ACM |
1046 | return -1; |
1047 | ||
e3087b80 | 1048 | if (max_lines && printed >= max_lines) |
36532461 | 1049 | return 1; |
d040bd36 | 1050 | |
d5e3d747 ACM |
1051 | if (queue != NULL) { |
1052 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 1053 | if (queue == dl) |
d5e3d747 | 1054 | break; |
db8fd07a | 1055 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
1056 | 0, 0, 1, NULL); |
1057 | } | |
1058 | } | |
1059 | ||
b1dd4432 | 1060 | color = get_percent_color(max_percent); |
78f7defe ACM |
1061 | |
1062 | /* | |
1063 | * Also color the filename and line if needed, with | |
1064 | * the same color than the percentage. Don't print it | |
1065 | * twice for close colored addr with the same filename:line | |
1066 | */ | |
1067 | if (path) { | |
1068 | if (!prev_line || strcmp(prev_line, path) | |
1069 | || color != prev_color) { | |
1070 | color_fprintf(stdout, color, " %s", path); | |
1071 | prev_line = path; | |
1072 | prev_color = color; | |
1073 | } | |
1074 | } | |
1075 | ||
b1dd4432 NK |
1076 | for (i = 0; i < nr_percent; i++) { |
1077 | percent = ppercents[i]; | |
0c4a5bce | 1078 | nr_samples = psamples[i]; |
b1dd4432 | 1079 | color = get_percent_color(percent); |
0c4a5bce ML |
1080 | |
1081 | if (symbol_conf.show_total_period) | |
1082 | color_fprintf(stdout, color, " %7" PRIu64, | |
1083 | nr_samples); | |
1084 | else | |
1085 | color_fprintf(stdout, color, " %7.2f", percent); | |
b1dd4432 NK |
1086 | } |
1087 | ||
78f7defe | 1088 | printf(" : "); |
70fbe057 PZ |
1089 | |
1090 | br = block_range__find(addr); | |
1091 | color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr); | |
1092 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->line); | |
1093 | annotate__branch_printf(br, addr); | |
1094 | printf("\n"); | |
b1dd4432 NK |
1095 | |
1096 | if (ppercents != &percent) | |
1097 | free(ppercents); | |
1098 | ||
0c4a5bce ML |
1099 | if (psamples != &nr_samples) |
1100 | free(psamples); | |
1101 | ||
e3087b80 | 1102 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1103 | return 1; |
1104 | else { | |
b1dd4432 NK |
1105 | int width = 8; |
1106 | ||
d5e3d747 ACM |
1107 | if (queue) |
1108 | return -1; | |
1109 | ||
759ff497 | 1110 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1111 | width *= evsel->nr_members; |
1112 | ||
29ed6e76 | 1113 | if (!*dl->line) |
b1dd4432 | 1114 | printf(" %*s:\n", width, " "); |
78f7defe | 1115 | else |
b1dd4432 | 1116 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 1117 | } |
36532461 ACM |
1118 | |
1119 | return 0; | |
78f7defe ACM |
1120 | } |
1121 | ||
3aec150a NK |
1122 | /* |
1123 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1124 | * which looks like following | |
1125 | * | |
1126 | * 0000000000415500 <_init>: | |
1127 | * 415500: sub $0x8,%rsp | |
1128 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1129 | * 41550b: test %rax,%rax | |
1130 | * 41550e: je 415515 <_init+0x15> | |
1131 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1132 | * 415515: add $0x8,%rsp | |
1133 | * 415519: retq | |
1134 | * | |
1135 | * it will be parsed and saved into struct disasm_line as | |
1136 | * <offset> <name> <ops.raw> | |
1137 | * | |
1138 | * The offset will be a relative offset from the start of the symbol and -1 | |
1139 | * means that it's not a disassembly line so should be treated differently. | |
1140 | * The ops.raw part will be parsed further according to type of the instruction. | |
1141 | */ | |
ce6f4fab | 1142 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
786c1b51 | 1143 | struct arch *arch, |
e592488c AK |
1144 | FILE *file, size_t privsize, |
1145 | int *line_nr) | |
78f7defe | 1146 | { |
ce6f4fab | 1147 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1148 | struct disasm_line *dl; |
4597cf06 | 1149 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1150 | size_t line_len; |
1151 | s64 line_ip, offset = -1; | |
e592488c | 1152 | regmatch_t match[2]; |
78f7defe ACM |
1153 | |
1154 | if (getline(&line, &line_len, file) < 0) | |
1155 | return -1; | |
1156 | ||
1157 | if (!line) | |
1158 | return -1; | |
1159 | ||
78f7defe | 1160 | line_ip = -1; |
4597cf06 | 1161 | parsed_line = rtrim(line); |
78f7defe | 1162 | |
e592488c | 1163 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1164 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1165 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1166 | return 0; |
1167 | } | |
1168 | ||
4597cf06 | 1169 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1170 | if (*tmp) { |
1171 | /* | |
1172 | * Parse hexa addresses followed by ':' | |
1173 | */ | |
1174 | line_ip = strtoull(tmp, &tmp2, 16); | |
1175 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1176 | line_ip = -1; | |
1177 | } | |
1178 | ||
1179 | if (line_ip != -1) { | |
1180 | u64 start = map__rip_2objdump(map, sym->start), | |
1181 | end = map__rip_2objdump(map, sym->end); | |
1182 | ||
1183 | offset = line_ip - start; | |
2c241bd3 | 1184 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1185 | offset = -1; |
058b4cc9 ACM |
1186 | else |
1187 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1188 | } |
78f7defe | 1189 | |
786c1b51 | 1190 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr, arch, map); |
058b4cc9 | 1191 | free(line); |
e592488c | 1192 | (*line_nr)++; |
058b4cc9 | 1193 | |
29ed6e76 | 1194 | if (dl == NULL) |
78f7defe | 1195 | return -1; |
058b4cc9 | 1196 | |
e216874c | 1197 | if (!disasm_line__has_offset(dl)) { |
bbb7f846 AH |
1198 | dl->ops.target.offset = dl->ops.target.addr - |
1199 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1200 | dl->ops.target.offset_avail = true; |
1201 | } | |
bbb7f846 | 1202 | |
6e427ab0 | 1203 | /* kcore has no symbols, so add the call target name */ |
75b49202 | 1204 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
1205 | struct addr_map_symbol target = { |
1206 | .map = map, | |
1207 | .addr = dl->ops.target.addr, | |
1208 | }; | |
1209 | ||
be39db9f | 1210 | if (!map_groups__find_ams(&target) && |
6e427ab0 AH |
1211 | target.sym->start == target.al_addr) |
1212 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
1213 | } |
1214 | ||
29ed6e76 | 1215 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
1216 | |
1217 | return 0; | |
1218 | } | |
1219 | ||
e592488c AK |
1220 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1221 | { | |
1222 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1223 | } | |
1224 | ||
484a5e74 AH |
1225 | static void delete_last_nop(struct symbol *sym) |
1226 | { | |
1227 | struct annotation *notes = symbol__annotation(sym); | |
1228 | struct list_head *list = ¬es->src->source; | |
1229 | struct disasm_line *dl; | |
1230 | ||
1231 | while (!list_empty(list)) { | |
1232 | dl = list_entry(list->prev, struct disasm_line, node); | |
1233 | ||
75b49202 ACM |
1234 | if (dl->ins.ops) { |
1235 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1236 | return; |
1237 | } else { | |
1238 | if (!strstr(dl->line, " nop ") && | |
1239 | !strstr(dl->line, " nopl ") && | |
1240 | !strstr(dl->line, " nopw ")) | |
1241 | return; | |
1242 | } | |
1243 | ||
1244 | list_del(&dl->node); | |
1245 | disasm_line__free(dl); | |
1246 | } | |
1247 | } | |
1248 | ||
ee51d851 ACM |
1249 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1250 | int errnum, char *buf, size_t buflen) | |
1251 | { | |
1252 | struct dso *dso = map->dso; | |
1253 | ||
1254 | BUG_ON(buflen == 0); | |
1255 | ||
1256 | if (errnum >= 0) { | |
1257 | str_error_r(errnum, buf, buflen); | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | switch (errnum) { | |
1262 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1263 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1264 | char *build_id_msg = NULL; | |
1265 | ||
1266 | if (dso->has_build_id) { | |
1267 | build_id__sprintf(dso->build_id, | |
1268 | sizeof(dso->build_id), bf + 15); | |
1269 | build_id_msg = bf; | |
1270 | } | |
1271 | scnprintf(buf, buflen, | |
1272 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1273 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1274 | "Please use:\n\n" | |
1275 | " perf buildid-cache -vu vmlinux\n\n" | |
1276 | "or:\n\n" | |
1277 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1278 | } | |
1279 | break; | |
1280 | default: | |
1281 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1282 | break; | |
1283 | } | |
1284 | ||
1285 | return 0; | |
1286 | } | |
1287 | ||
05ed3ac9 | 1288 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1289 | { |
05ed3ac9 ACM |
1290 | char linkname[PATH_MAX]; |
1291 | char *build_id_filename; | |
6ebd2547 | 1292 | char *build_id_path = NULL; |
78f7defe | 1293 | |
c12944f7 ACM |
1294 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1295 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1296 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1297 | |
05ed3ac9 ACM |
1298 | build_id_filename = dso__build_id_filename(dso, NULL, 0); |
1299 | if (build_id_filename) { | |
1300 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1301 | free(build_id_filename); | |
3caee094 | 1302 | } else { |
ee51d851 ACM |
1303 | if (dso->has_build_id) |
1304 | return ENOMEM; | |
78f7defe | 1305 | goto fallback; |
3caee094 ACM |
1306 | } |
1307 | ||
6ebd2547 TS |
1308 | build_id_path = strdup(filename); |
1309 | if (!build_id_path) | |
1310 | return -1; | |
1311 | ||
1312 | dirname(build_id_path); | |
1313 | ||
3caee094 | 1314 | if (dso__is_kcore(dso) || |
6ebd2547 | 1315 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1316 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1317 | access(filename, R_OK)) { | |
78f7defe ACM |
1318 | fallback: |
1319 | /* | |
1320 | * If we don't have build-ids or the build-id file isn't in the | |
1321 | * cache, or is just a kallsyms file, well, lets hope that this | |
1322 | * DSO is the same as when 'perf record' ran. | |
1323 | */ | |
05ed3ac9 | 1324 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1325 | } |
1326 | ||
6ebd2547 | 1327 | free(build_id_path); |
05ed3ac9 ACM |
1328 | return 0; |
1329 | } | |
1330 | ||
786c1b51 ACM |
1331 | static const char *annotate__norm_arch(const char *arch_name) |
1332 | { | |
1333 | struct utsname uts; | |
1334 | ||
1335 | if (!arch_name) { /* Assume we are annotating locally. */ | |
1336 | if (uname(&uts) < 0) | |
1337 | return NULL; | |
1338 | arch_name = uts.machine; | |
1339 | } | |
1340 | return normalize_arch((char *)arch_name); | |
1341 | } | |
1342 | ||
1343 | int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_name, size_t privsize) | |
05ed3ac9 ACM |
1344 | { |
1345 | struct dso *dso = map->dso; | |
1346 | char command[PATH_MAX * 2]; | |
786c1b51 | 1347 | struct arch *arch = NULL; |
05ed3ac9 ACM |
1348 | FILE *file; |
1349 | char symfs_filename[PATH_MAX]; | |
1350 | struct kcore_extract kce; | |
1351 | bool delete_extract = false; | |
1352 | int stdout_fd[2]; | |
1353 | int lineno = 0; | |
1354 | int nline; | |
1355 | pid_t pid; | |
1356 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1357 | ||
1358 | if (err) | |
1359 | return err; | |
1360 | ||
786c1b51 ACM |
1361 | arch_name = annotate__norm_arch(arch_name); |
1362 | if (!arch_name) | |
1363 | return -1; | |
1364 | ||
1365 | arch = arch__find(arch_name); | |
1366 | if (arch == NULL) | |
1367 | return -ENOTSUP; | |
1368 | ||
0781ea92 ACM |
1369 | if (arch->init) { |
1370 | err = arch->init(arch); | |
1371 | if (err) { | |
1372 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1373 | return err; | |
1374 | } | |
1375 | } | |
1376 | ||
78f7defe | 1377 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1378 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1379 | map->unmap_ip(map, sym->end)); |
1380 | ||
78f7defe ACM |
1381 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1382 | dso, dso->long_name, sym, sym->name); | |
1383 | ||
afba19d9 AH |
1384 | if (dso__is_kcore(dso)) { |
1385 | kce.kcore_filename = symfs_filename; | |
1386 | kce.addr = map__rip_2objdump(map, sym->start); | |
1387 | kce.offs = sym->start; | |
2c241bd3 | 1388 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1389 | if (!kcore_extract__create(&kce)) { |
1390 | delete_extract = true; | |
1391 | strlcpy(symfs_filename, kce.extract_filename, | |
1392 | sizeof(symfs_filename)); | |
afba19d9 | 1393 | } |
2c7da8c5 JO |
1394 | } else if (dso__needs_decompress(dso)) { |
1395 | char tmp[PATH_MAX]; | |
1396 | struct kmod_path m; | |
1397 | int fd; | |
1398 | bool ret; | |
1399 | ||
1400 | if (kmod_path__parse_ext(&m, symfs_filename)) | |
3caee094 | 1401 | goto out; |
2c7da8c5 JO |
1402 | |
1403 | snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); | |
1404 | ||
1405 | fd = mkstemp(tmp); | |
1406 | if (fd < 0) { | |
1407 | free(m.ext); | |
3caee094 | 1408 | goto out; |
2c7da8c5 JO |
1409 | } |
1410 | ||
1411 | ret = decompress_to_file(m.ext, symfs_filename, fd); | |
1412 | ||
62ec9b3f AK |
1413 | if (ret) |
1414 | pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename); | |
1415 | ||
2c7da8c5 JO |
1416 | free(m.ext); |
1417 | close(fd); | |
1418 | ||
1419 | if (!ret) | |
3caee094 | 1420 | goto out; |
2c7da8c5 JO |
1421 | |
1422 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1423 | } |
1424 | ||
78f7defe | 1425 | snprintf(command, sizeof(command), |
7a4ec938 | 1426 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1427 | " --stop-address=0x%016" PRIx64 |
e7cb9de2 | 1428 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s:|expand", |
7a4ec938 | 1429 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1430 | disassembler_style ? "-M " : "", |
1431 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1432 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1433 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1434 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1435 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1436 | symfs_filename, symfs_filename); |
78f7defe ACM |
1437 | |
1438 | pr_debug("Executing: %s\n", command); | |
1439 | ||
9955d0be ACM |
1440 | err = -1; |
1441 | if (pipe(stdout_fd) < 0) { | |
1442 | pr_err("Failure creating the pipe to run %s\n", command); | |
1443 | goto out_remove_tmp; | |
1444 | } | |
1445 | ||
1446 | pid = fork(); | |
1447 | if (pid < 0) { | |
1448 | pr_err("Failure forking to run %s\n", command); | |
1449 | goto out_close_stdout; | |
1450 | } | |
1451 | ||
1452 | if (pid == 0) { | |
1453 | close(stdout_fd[0]); | |
1454 | dup2(stdout_fd[1], 1); | |
1455 | close(stdout_fd[1]); | |
1456 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1457 | perror(command); | |
1458 | exit(-1); | |
1459 | } | |
1460 | ||
1461 | close(stdout_fd[1]); | |
1462 | ||
1463 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1464 | if (!file) { |
9955d0be | 1465 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1466 | /* |
1467 | * If we were using debug info should retry with | |
1468 | * original binary. | |
1469 | */ | |
2c7da8c5 | 1470 | goto out_remove_tmp; |
62ec9b3f | 1471 | } |
78f7defe | 1472 | |
62ec9b3f AK |
1473 | nline = 0; |
1474 | while (!feof(file)) { | |
ed7b339f ACM |
1475 | /* |
1476 | * The source code line number (lineno) needs to be kept in | |
1477 | * accross calls to symbol__parse_objdump_line(), so that it | |
1478 | * can associate it with the instructions till the next one. | |
1479 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1480 | */ | |
786c1b51 | 1481 | if (symbol__parse_objdump_line(sym, map, arch, file, privsize, |
e592488c | 1482 | &lineno) < 0) |
78f7defe | 1483 | break; |
62ec9b3f AK |
1484 | nline++; |
1485 | } | |
1486 | ||
1487 | if (nline == 0) | |
1488 | pr_err("No output from %s\n", command); | |
78f7defe | 1489 | |
484a5e74 AH |
1490 | /* |
1491 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1492 | * Remove it. | |
1493 | */ | |
1494 | if (dso__is_kcore(dso)) | |
1495 | delete_last_nop(sym); | |
1496 | ||
9955d0be ACM |
1497 | fclose(file); |
1498 | err = 0; | |
2c7da8c5 | 1499 | out_remove_tmp: |
9955d0be ACM |
1500 | close(stdout_fd[0]); |
1501 | ||
2c7da8c5 JO |
1502 | if (dso__needs_decompress(dso)) |
1503 | unlink(symfs_filename); | |
3caee094 | 1504 | |
afba19d9 AH |
1505 | if (delete_extract) |
1506 | kcore_extract__delete(&kce); | |
c12944f7 | 1507 | out: |
78f7defe | 1508 | return err; |
9955d0be ACM |
1509 | |
1510 | out_close_stdout: | |
1511 | close(stdout_fd[1]); | |
1512 | goto out_remove_tmp; | |
78f7defe ACM |
1513 | } |
1514 | ||
1515 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1516 | { | |
1517 | struct source_line *iter; | |
1518 | struct rb_node **p = &root->rb_node; | |
1519 | struct rb_node *parent = NULL; | |
1491c22a | 1520 | int i, ret; |
78f7defe ACM |
1521 | |
1522 | while (*p != NULL) { | |
1523 | parent = *p; | |
1524 | iter = rb_entry(parent, struct source_line, node); | |
1525 | ||
41127965 NK |
1526 | ret = strcmp(iter->path, src_line->path); |
1527 | if (ret == 0) { | |
1491c22a | 1528 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1529 | iter->samples[i].percent_sum += src_line->samples[i].percent; |
41127965 NK |
1530 | return; |
1531 | } | |
1532 | ||
1533 | if (ret < 0) | |
1534 | p = &(*p)->rb_left; | |
1535 | else | |
1536 | p = &(*p)->rb_right; | |
1537 | } | |
1538 | ||
1491c22a | 1539 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1540 | src_line->samples[i].percent_sum = src_line->samples[i].percent; |
41127965 NK |
1541 | |
1542 | rb_link_node(&src_line->node, parent, p); | |
1543 | rb_insert_color(&src_line->node, root); | |
1544 | } | |
1545 | ||
1491c22a NK |
1546 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1547 | { | |
1548 | int i; | |
1549 | ||
1550 | for (i = 0; i < a->nr_pcnt; i++) { | |
276af92f | 1551 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1552 | continue; |
276af92f | 1553 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1554 | } |
1555 | ||
1556 | return 0; | |
1557 | } | |
1558 | ||
41127965 NK |
1559 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1560 | { | |
1561 | struct source_line *iter; | |
1562 | struct rb_node **p = &root->rb_node; | |
1563 | struct rb_node *parent = NULL; | |
1564 | ||
1565 | while (*p != NULL) { | |
1566 | parent = *p; | |
1567 | iter = rb_entry(parent, struct source_line, node); | |
1568 | ||
1491c22a | 1569 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1570 | p = &(*p)->rb_left; |
1571 | else | |
1572 | p = &(*p)->rb_right; | |
1573 | } | |
1574 | ||
1575 | rb_link_node(&src_line->node, parent, p); | |
1576 | rb_insert_color(&src_line->node, root); | |
1577 | } | |
1578 | ||
41127965 NK |
1579 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1580 | { | |
1581 | struct source_line *src_line; | |
1582 | struct rb_node *node; | |
1583 | ||
1584 | node = rb_first(src_root); | |
1585 | while (node) { | |
1586 | struct rb_node *next; | |
1587 | ||
1588 | src_line = rb_entry(node, struct source_line, node); | |
1589 | next = rb_next(node); | |
1590 | rb_erase(node, src_root); | |
1591 | ||
1592 | __resort_source_line(dest_root, src_line); | |
1593 | node = next; | |
1594 | } | |
1595 | } | |
1596 | ||
78f7defe ACM |
1597 | static void symbol__free_source_line(struct symbol *sym, int len) |
1598 | { | |
1599 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1600 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1601 | size_t sizeof_src_line; |
78f7defe ACM |
1602 | int i; |
1603 | ||
1491c22a | 1604 | sizeof_src_line = sizeof(*src_line) + |
276af92f | 1605 | (sizeof(src_line->samples) * (src_line->nr_pcnt - 1)); |
78f7defe | 1606 | |
1491c22a | 1607 | for (i = 0; i < len; i++) { |
f048d548 | 1608 | free_srcline(src_line->path); |
1491c22a NK |
1609 | src_line = (void *)src_line + sizeof_src_line; |
1610 | } | |
1611 | ||
04662523 | 1612 | zfree(¬es->src->lines); |
78f7defe ACM |
1613 | } |
1614 | ||
1615 | /* Get the filename:line for the colored entries */ | |
1616 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1617 | struct perf_evsel *evsel, |
86c98cab | 1618 | struct rb_root *root, int len) |
78f7defe ACM |
1619 | { |
1620 | u64 start; | |
1491c22a NK |
1621 | int i, k; |
1622 | int evidx = evsel->idx; | |
78f7defe ACM |
1623 | struct source_line *src_line; |
1624 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1625 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1626 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1627 | int nr_pcnt = 1; |
1628 | u64 h_sum = h->sum; | |
1629 | size_t sizeof_src_line = sizeof(struct source_line); | |
1630 | ||
1631 | if (perf_evsel__is_group_event(evsel)) { | |
1632 | for (i = 1; i < evsel->nr_members; i++) { | |
1633 | h = annotation__histogram(notes, evidx + i); | |
1634 | h_sum += h->sum; | |
1635 | } | |
1636 | nr_pcnt = evsel->nr_members; | |
276af92f | 1637 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples); |
1491c22a | 1638 | } |
78f7defe | 1639 | |
1491c22a | 1640 | if (!h_sum) |
78f7defe ACM |
1641 | return 0; |
1642 | ||
1491c22a | 1643 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1644 | if (!notes->src->lines) |
78f7defe ACM |
1645 | return -1; |
1646 | ||
f40a0633 | 1647 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1648 | |
1649 | for (i = 0; i < len; i++) { | |
99094a5e | 1650 | u64 offset, nr_samples; |
1491c22a | 1651 | double percent_max = 0.0; |
78f7defe | 1652 | |
1491c22a NK |
1653 | src_line->nr_pcnt = nr_pcnt; |
1654 | ||
1655 | for (k = 0; k < nr_pcnt; k++) { | |
2e933b12 TS |
1656 | double percent = 0.0; |
1657 | ||
1491c22a | 1658 | h = annotation__histogram(notes, evidx + k); |
99094a5e | 1659 | nr_samples = h->addr[i]; |
2e933b12 | 1660 | if (h->sum) |
99094a5e | 1661 | percent = 100.0 * nr_samples / h->sum; |
1491c22a | 1662 | |
2e933b12 TS |
1663 | if (percent > percent_max) |
1664 | percent_max = percent; | |
1665 | src_line->samples[k].percent = percent; | |
99094a5e | 1666 | src_line->samples[k].nr = nr_samples; |
1491c22a NK |
1667 | } |
1668 | ||
1669 | if (percent_max <= 0.5) | |
1670 | goto next; | |
78f7defe ACM |
1671 | |
1672 | offset = start + i; | |
5dfa210e MW |
1673 | src_line->path = get_srcline(map->dso, offset, NULL, |
1674 | false, true); | |
1491c22a | 1675 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1676 | |
1491c22a NK |
1677 | next: |
1678 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1679 | } |
1680 | ||
41127965 | 1681 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1682 | return 0; |
1683 | } | |
1684 | ||
1685 | static void print_summary(struct rb_root *root, const char *filename) | |
1686 | { | |
1687 | struct source_line *src_line; | |
1688 | struct rb_node *node; | |
1689 | ||
1690 | printf("\nSorted summary for file %s\n", filename); | |
1691 | printf("----------------------------------------------\n\n"); | |
1692 | ||
1693 | if (RB_EMPTY_ROOT(root)) { | |
1694 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1695 | return; | |
1696 | } | |
1697 | ||
1698 | node = rb_first(root); | |
1699 | while (node) { | |
1491c22a | 1700 | double percent, percent_max = 0.0; |
78f7defe ACM |
1701 | const char *color; |
1702 | char *path; | |
1491c22a | 1703 | int i; |
78f7defe ACM |
1704 | |
1705 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a | 1706 | for (i = 0; i < src_line->nr_pcnt; i++) { |
276af92f | 1707 | percent = src_line->samples[i].percent_sum; |
1491c22a NK |
1708 | color = get_percent_color(percent); |
1709 | color_fprintf(stdout, color, " %7.2f", percent); | |
1710 | ||
1711 | if (percent > percent_max) | |
1712 | percent_max = percent; | |
1713 | } | |
1714 | ||
78f7defe | 1715 | path = src_line->path; |
1491c22a | 1716 | color = get_percent_color(percent_max); |
f048d548 | 1717 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1718 | |
78f7defe ACM |
1719 | node = rb_next(node); |
1720 | } | |
1721 | } | |
1722 | ||
db8fd07a | 1723 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1724 | { |
1725 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1726 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1727 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1728 | |
1729 | for (offset = 0; offset < len; ++offset) | |
1730 | if (h->addr[offset] != 0) | |
1731 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1732 | sym->start + offset, h->addr[offset]); | |
1733 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1734 | } | |
1735 | ||
db8fd07a NK |
1736 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1737 | struct perf_evsel *evsel, bool full_paths, | |
1738 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1739 | { |
1740 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1741 | char *filename; |
1742 | const char *d_filename; | |
9cdbadce | 1743 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1744 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1745 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
29ed6e76 | 1746 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1747 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1748 | int printed = 2, queue_len = 0; |
36532461 | 1749 | int more = 0; |
78f7defe | 1750 | u64 len; |
b1dd4432 | 1751 | int width = 8; |
53dd9b5f | 1752 | int graph_dotted_len; |
78f7defe | 1753 | |
bfd14b9a DA |
1754 | filename = strdup(dso->long_name); |
1755 | if (!filename) | |
1756 | return -ENOMEM; | |
1757 | ||
78f7defe ACM |
1758 | if (full_paths) |
1759 | d_filename = filename; | |
1760 | else | |
1761 | d_filename = basename(filename); | |
1762 | ||
1b2e2df4 | 1763 | len = symbol__size(sym); |
b1dd4432 | 1764 | |
759ff497 | 1765 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1766 | width *= evsel->nr_members; |
78f7defe | 1767 | |
135cce1b PZI |
1768 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1769 | width, width, "Percent", d_filename, evsel_name, h->sum); | |
9cdbadce | 1770 | |
53dd9b5f | 1771 | printf("%-*.*s----\n", |
9cdbadce | 1772 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1773 | |
bb963e16 | 1774 | if (verbose > 0) |
db8fd07a | 1775 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1776 | |
ce6f4fab | 1777 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1778 | if (context && queue == NULL) { |
1779 | queue = pos; | |
1780 | queue_len = 0; | |
1781 | } | |
1782 | ||
db8fd07a | 1783 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1784 | min_pcnt, printed, max_lines, |
1785 | queue)) { | |
36532461 ACM |
1786 | case 0: |
1787 | ++printed; | |
d5e3d747 ACM |
1788 | if (context) { |
1789 | printed += queue_len; | |
1790 | queue = NULL; | |
1791 | queue_len = 0; | |
1792 | } | |
36532461 ACM |
1793 | break; |
1794 | case 1: | |
1795 | /* filtered by max_lines */ | |
1796 | ++more; | |
d040bd36 | 1797 | break; |
36532461 ACM |
1798 | case -1: |
1799 | default: | |
d5e3d747 ACM |
1800 | /* |
1801 | * Filtered by min_pcnt or non IP lines when | |
1802 | * context != 0 | |
1803 | */ | |
1804 | if (!context) | |
1805 | break; | |
1806 | if (queue_len == context) | |
1807 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1808 | else | |
1809 | ++queue_len; | |
36532461 ACM |
1810 | break; |
1811 | } | |
1812 | } | |
1813 | ||
bfd14b9a DA |
1814 | free(filename); |
1815 | ||
36532461 ACM |
1816 | return more; |
1817 | } | |
f1e2701d | 1818 | |
36532461 ACM |
1819 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1820 | { | |
1821 | struct annotation *notes = symbol__annotation(sym); | |
1822 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1823 | ||
ce6f4fab | 1824 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1825 | } |
1826 | ||
ce6f4fab | 1827 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1828 | { |
1829 | struct annotation *notes = symbol__annotation(sym); | |
1830 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1831 | int len = symbol__size(sym), offset; |
36532461 ACM |
1832 | |
1833 | h->sum = 0; | |
8b84a568 ACM |
1834 | for (offset = 0; offset < len; ++offset) { |
1835 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1836 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1837 | } |
1838 | } | |
1839 | ||
29ed6e76 | 1840 | void disasm__purge(struct list_head *head) |
f1e2701d | 1841 | { |
29ed6e76 | 1842 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1843 | |
1844 | list_for_each_entry_safe(pos, n, head, node) { | |
1845 | list_del(&pos->node); | |
29ed6e76 | 1846 | disasm_line__free(pos); |
f1e2701d ACM |
1847 | } |
1848 | } | |
1849 | ||
5145418b ACM |
1850 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1851 | { | |
1852 | size_t printed; | |
1853 | ||
1854 | if (dl->offset == -1) | |
1855 | return fprintf(fp, "%s\n", dl->line); | |
1856 | ||
75b49202 | 1857 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->ins.name); |
5145418b | 1858 | |
c7e6ead7 | 1859 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1860 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1861 | dl->ops.raw); |
5145418b ACM |
1862 | } |
1863 | ||
1864 | return printed + fprintf(fp, "\n"); | |
1865 | } | |
1866 | ||
1867 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1868 | { | |
1869 | struct disasm_line *pos; | |
1870 | size_t printed = 0; | |
1871 | ||
1872 | list_for_each_entry(pos, head, node) | |
1873 | printed += disasm_line__fprintf(pos, fp); | |
1874 | ||
1875 | return printed; | |
1876 | } | |
1877 | ||
db8fd07a NK |
1878 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1879 | struct perf_evsel *evsel, bool print_lines, | |
1880 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1881 | { |
1882 | struct dso *dso = map->dso; | |
f1e2701d | 1883 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1884 | u64 len; |
1885 | ||
786c1b51 | 1886 | if (symbol__disassemble(sym, map, perf_evsel__env_arch(evsel), 0) < 0) |
f1e2701d ACM |
1887 | return -1; |
1888 | ||
1b2e2df4 | 1889 | len = symbol__size(sym); |
f1e2701d ACM |
1890 | |
1891 | if (print_lines) { | |
4a4c03c1 | 1892 | srcline_full_filename = full_paths; |
86c98cab NK |
1893 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1894 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1895 | } |
1896 | ||
db8fd07a | 1897 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1898 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1899 | if (print_lines) |
1900 | symbol__free_source_line(sym, len); | |
1901 | ||
29ed6e76 | 1902 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1903 | |
78f7defe ACM |
1904 | return 0; |
1905 | } | |
f626adff | 1906 | |
48c65bda NK |
1907 | bool ui__has_annotation(void) |
1908 | { | |
2e0453af | 1909 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 1910 | } |