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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" |
8e2e09d3 | 111 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 112 | |
786c1b51 ACM |
113 | static struct arch architectures[] = { |
114 | { | |
115 | .name = "arm", | |
acc9bfb5 | 116 | .init = arm__annotate_init, |
786c1b51 | 117 | }, |
0fcb1da4 KP |
118 | { |
119 | .name = "arm64", | |
120 | .init = arm64__annotate_init, | |
121 | }, | |
786c1b51 ACM |
122 | { |
123 | .name = "x86", | |
763d8960 ACM |
124 | .instructions = x86__instructions, |
125 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
786c1b51 ACM |
126 | .objdump = { |
127 | .comment_char = '#', | |
128 | }, | |
129 | }, | |
dbdebdc5 RB |
130 | { |
131 | .name = "powerpc", | |
132 | .init = powerpc__annotate_init, | |
133 | }, | |
d3c07b55 CB |
134 | { |
135 | .name = "s390", | |
8e2e09d3 | 136 | .init = s390__annotate_init, |
d3c07b55 CB |
137 | .objdump = { |
138 | .comment_char = '#', | |
139 | }, | |
140 | }, | |
dc0c14c6 CB |
141 | { |
142 | .name = "s390", | |
143 | .objdump = { | |
144 | .comment_char = '#', | |
145 | }, | |
146 | }, | |
786c1b51 ACM |
147 | }; |
148 | ||
c46219ac ACM |
149 | static void ins__delete(struct ins_operands *ops) |
150 | { | |
3995614d ACM |
151 | if (ops == NULL) |
152 | return; | |
74cf249d ACM |
153 | zfree(&ops->source.raw); |
154 | zfree(&ops->source.name); | |
155 | zfree(&ops->target.raw); | |
156 | zfree(&ops->target.name); | |
c46219ac ACM |
157 | } |
158 | ||
5417072b ACM |
159 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
160 | struct ins_operands *ops) | |
161 | { | |
162 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
163 | } | |
164 | ||
165 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
166 | struct ins_operands *ops) | |
167 | { | |
168 | if (ins->ops->scnprintf) | |
169 | return ins->ops->scnprintf(ins, bf, size, ops); | |
170 | ||
171 | return ins__raw_scnprintf(ins, bf, size, ops); | |
172 | } | |
173 | ||
9c2fb451 | 174 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 175 | { |
d2232885 ACM |
176 | char *endptr, *tok, *name; |
177 | ||
44d1a3ed | 178 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
179 | |
180 | name = strchr(endptr, '<'); | |
181 | if (name == NULL) | |
182 | goto indirect_call; | |
183 | ||
184 | name++; | |
185 | ||
9c2fb451 ACM |
186 | if (arch->objdump.skip_functions_char && |
187 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 188 | return -1; |
cfef25b8 | 189 | |
d2232885 ACM |
190 | tok = strchr(name, '>'); |
191 | if (tok == NULL) | |
192 | return -1; | |
193 | ||
194 | *tok = '\0'; | |
44d1a3ed | 195 | ops->target.name = strdup(name); |
d2232885 ACM |
196 | *tok = '>'; |
197 | ||
44d1a3ed | 198 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
199 | |
200 | indirect_call: | |
88a7fcf9 RB |
201 | tok = strchr(endptr, '*'); |
202 | if (tok == NULL) { | |
5f62d4fd ACM |
203 | struct symbol *sym = map__find_symbol(map, map->map_ip(map, ops->target.addr)); |
204 | if (sym != NULL) | |
205 | ops->target.name = strdup(sym->name); | |
206 | else | |
207 | ops->target.addr = 0; | |
e8ea1561 ACM |
208 | return 0; |
209 | } | |
210 | ||
44d1a3ed | 211 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
212 | return 0; |
213 | } | |
214 | ||
d2232885 | 215 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 216 | struct ins_operands *ops) |
d2232885 | 217 | { |
44d1a3ed ACM |
218 | if (ops->target.name) |
219 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 220 | |
e8ea1561 ACM |
221 | if (ops->target.addr == 0) |
222 | return ins__raw_scnprintf(ins, bf, size, ops); | |
223 | ||
44d1a3ed | 224 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
225 | } |
226 | ||
d86b0597 | 227 | static struct ins_ops call_ops = { |
d2232885 ACM |
228 | .parse = call__parse, |
229 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
230 | }; |
231 | ||
232 | bool ins__is_call(const struct ins *ins) | |
233 | { | |
234 | return ins->ops == &call_ops; | |
235 | } | |
236 | ||
786c1b51 | 237 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 238 | { |
c7e6ead7 | 239 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 240 | const char *c = strchr(ops->raw, ','); |
4f9d0325 | 241 | |
3ee2eb6d RB |
242 | if (c++ != NULL) |
243 | ops->target.addr = strtoull(c, NULL, 16); | |
244 | else | |
245 | ops->target.addr = strtoull(ops->raw, NULL, 16); | |
fb29fa58 | 246 | |
e216874c | 247 | if (s++ != NULL) { |
bbb7f846 | 248 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
249 | ops->target.offset_avail = true; |
250 | } else { | |
251 | ops->target.offset_avail = false; | |
252 | } | |
4f9d0325 | 253 | |
4f9d0325 ACM |
254 | return 0; |
255 | } | |
256 | ||
c7e6ead7 | 257 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 258 | struct ins_operands *ops) |
28548d78 | 259 | { |
e216874c | 260 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
261 | return ins__raw_scnprintf(ins, bf, size, ops); |
262 | ||
44d1a3ed | 263 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
264 | } |
265 | ||
4f9d0325 | 266 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
267 | .parse = jump__parse, |
268 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
269 | }; |
270 | ||
271 | bool ins__is_jump(const struct ins *ins) | |
272 | { | |
273 | return ins->ops == &jump_ops; | |
274 | } | |
275 | ||
6de783b6 ACM |
276 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
277 | { | |
278 | char *endptr, *name, *t; | |
279 | ||
280 | if (strstr(raw, "(%rip)") == NULL) | |
281 | return 0; | |
282 | ||
283 | *addrp = strtoull(comment, &endptr, 16); | |
284 | name = strchr(endptr, '<'); | |
285 | if (name == NULL) | |
286 | return -1; | |
287 | ||
288 | name++; | |
289 | ||
290 | t = strchr(name, '>'); | |
291 | if (t == NULL) | |
292 | return 0; | |
293 | ||
294 | *t = '\0'; | |
295 | *namep = strdup(name); | |
296 | *t = '>'; | |
297 | ||
298 | return 0; | |
299 | } | |
300 | ||
786c1b51 | 301 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 302 | { |
7a997fe4 ACM |
303 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
304 | if (ops->locked.ops == NULL) | |
305 | return 0; | |
306 | ||
75b49202 | 307 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
308 | goto out_free_ops; |
309 | ||
75b49202 | 310 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 311 | |
75b49202 | 312 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 313 | goto out_free_ops; |
7a997fe4 | 314 | |
75b49202 ACM |
315 | if (ops->locked.ins.ops->parse && |
316 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 317 | goto out_free_ops; |
7a997fe4 ACM |
318 | |
319 | return 0; | |
320 | ||
321 | out_free_ops: | |
04662523 | 322 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
323 | return 0; |
324 | } | |
325 | ||
326 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
327 | struct ins_operands *ops) | |
328 | { | |
329 | int printed; | |
330 | ||
75b49202 | 331 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
332 | return ins__raw_scnprintf(ins, bf, size, ops); |
333 | ||
334 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
75b49202 | 335 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
336 | size - printed, ops->locked.ops); |
337 | } | |
338 | ||
c46219ac ACM |
339 | static void lock__delete(struct ins_operands *ops) |
340 | { | |
75b49202 | 341 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 342 | |
75b49202 | 343 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
344 | ins->ops->free(ops->locked.ops); |
345 | else | |
346 | ins__delete(ops->locked.ops); | |
347 | ||
74cf249d ACM |
348 | zfree(&ops->locked.ops); |
349 | zfree(&ops->target.raw); | |
350 | zfree(&ops->target.name); | |
c46219ac ACM |
351 | } |
352 | ||
7a997fe4 | 353 | static struct ins_ops lock_ops = { |
c46219ac | 354 | .free = lock__delete, |
7a997fe4 ACM |
355 | .parse = lock__parse, |
356 | .scnprintf = lock__scnprintf, | |
357 | }; | |
358 | ||
786c1b51 | 359 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
360 | { |
361 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
362 | ||
363 | if (s == NULL) | |
364 | return -1; | |
365 | ||
366 | *s = '\0'; | |
367 | ops->source.raw = strdup(ops->raw); | |
368 | *s = ','; | |
48000a1a | 369 | |
6de783b6 ACM |
370 | if (ops->source.raw == NULL) |
371 | return -1; | |
372 | ||
373 | target = ++s; | |
786c1b51 | 374 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
375 | |
376 | if (comment != NULL) | |
377 | s = comment - 1; | |
378 | else | |
379 | s = strchr(s, '\0') - 1; | |
6de783b6 | 380 | |
1e2bb043 AC |
381 | while (s > target && isspace(s[0])) |
382 | --s; | |
383 | s++; | |
6de783b6 ACM |
384 | prev = *s; |
385 | *s = '\0'; | |
386 | ||
387 | ops->target.raw = strdup(target); | |
388 | *s = prev; | |
389 | ||
390 | if (ops->target.raw == NULL) | |
391 | goto out_free_source; | |
392 | ||
6de783b6 ACM |
393 | if (comment == NULL) |
394 | return 0; | |
395 | ||
396 | while (comment[0] != '\0' && isspace(comment[0])) | |
397 | ++comment; | |
398 | ||
399 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); | |
400 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
401 | ||
402 | return 0; | |
403 | ||
404 | out_free_source: | |
04662523 | 405 | zfree(&ops->source.raw); |
6de783b6 ACM |
406 | return -1; |
407 | } | |
408 | ||
409 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
410 | struct ins_operands *ops) | |
411 | { | |
412 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
413 | ops->source.name ?: ops->source.raw, | |
414 | ops->target.name ?: ops->target.raw); | |
415 | } | |
416 | ||
417 | static struct ins_ops mov_ops = { | |
418 | .parse = mov__parse, | |
419 | .scnprintf = mov__scnprintf, | |
420 | }; | |
421 | ||
786c1b51 | 422 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
423 | { |
424 | char *target, *comment, *s, prev; | |
425 | ||
426 | target = s = ops->raw; | |
427 | ||
428 | while (s[0] != '\0' && !isspace(s[0])) | |
429 | ++s; | |
430 | prev = *s; | |
431 | *s = '\0'; | |
432 | ||
433 | ops->target.raw = strdup(target); | |
434 | *s = prev; | |
435 | ||
436 | if (ops->target.raw == NULL) | |
437 | return -1; | |
438 | ||
859afa6c | 439 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
440 | if (comment == NULL) |
441 | return 0; | |
442 | ||
443 | while (comment[0] != '\0' && isspace(comment[0])) | |
444 | ++comment; | |
445 | ||
446 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
447 | ||
448 | return 0; | |
449 | } | |
450 | ||
451 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
452 | struct ins_operands *ops) | |
453 | { | |
454 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
455 | ops->target.name ?: ops->target.raw); | |
456 | } | |
457 | ||
458 | static struct ins_ops dec_ops = { | |
459 | .parse = dec__parse, | |
460 | .scnprintf = dec__scnprintf, | |
461 | }; | |
462 | ||
1d037ca1 IT |
463 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
464 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
465 | { |
466 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
467 | } | |
468 | ||
469 | static struct ins_ops nop_ops = { | |
470 | .scnprintf = nop__scnprintf, | |
471 | }; | |
472 | ||
6ef94929 NR |
473 | static struct ins_ops ret_ops = { |
474 | .scnprintf = ins__raw_scnprintf, | |
475 | }; | |
476 | ||
477 | bool ins__is_ret(const struct ins *ins) | |
478 | { | |
479 | return ins->ops == &ret_ops; | |
480 | } | |
481 | ||
7e4c1498 | 482 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
483 | { |
484 | const struct ins *ins = insp; | |
485 | ||
486 | return strcmp(name, ins->name); | |
487 | } | |
488 | ||
7e4c1498 CR |
489 | static int ins__cmp(const void *a, const void *b) |
490 | { | |
491 | const struct ins *ia = a; | |
492 | const struct ins *ib = b; | |
493 | ||
494 | return strcmp(ia->name, ib->name); | |
495 | } | |
496 | ||
763d8960 | 497 | static void ins__sort(struct arch *arch) |
7e4c1498 | 498 | { |
763d8960 | 499 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 500 | |
763d8960 | 501 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
502 | } |
503 | ||
2a1ff812 | 504 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 505 | { |
75b49202 | 506 | struct ins *ins; |
763d8960 | 507 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 508 | |
763d8960 ACM |
509 | if (!arch->sorted_instructions) { |
510 | ins__sort(arch); | |
511 | arch->sorted_instructions = true; | |
7e4c1498 | 512 | } |
4f9d0325 | 513 | |
75b49202 ACM |
514 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
515 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
516 | } |
517 | ||
2a1ff812 ACM |
518 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
519 | { | |
520 | struct ins_ops *ops = __ins__find(arch, name); | |
521 | ||
522 | if (!ops && arch->associate_instruction_ops) | |
523 | ops = arch->associate_instruction_ops(arch, name); | |
524 | ||
525 | return ops; | |
526 | } | |
527 | ||
786c1b51 ACM |
528 | static int arch__key_cmp(const void *name, const void *archp) |
529 | { | |
530 | const struct arch *arch = archp; | |
531 | ||
532 | return strcmp(name, arch->name); | |
533 | } | |
534 | ||
535 | static int arch__cmp(const void *a, const void *b) | |
536 | { | |
537 | const struct arch *aa = a; | |
538 | const struct arch *ab = b; | |
539 | ||
540 | return strcmp(aa->name, ab->name); | |
541 | } | |
542 | ||
543 | static void arch__sort(void) | |
544 | { | |
545 | const int nmemb = ARRAY_SIZE(architectures); | |
546 | ||
547 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
548 | } | |
549 | ||
550 | static struct arch *arch__find(const char *name) | |
551 | { | |
552 | const int nmemb = ARRAY_SIZE(architectures); | |
553 | static bool sorted; | |
554 | ||
555 | if (!sorted) { | |
556 | arch__sort(); | |
557 | sorted = true; | |
558 | } | |
559 | ||
560 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
561 | } | |
562 | ||
d04b35f8 | 563 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
564 | { |
565 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 566 | const size_t size = symbol__size(sym); |
8696329b CS |
567 | size_t sizeof_sym_hist; |
568 | ||
569 | /* Check for overflow when calculating sizeof_sym_hist */ | |
570 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
571 | return -1; | |
572 | ||
573 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
574 | ||
575 | /* Check for overflow in zalloc argument */ | |
576 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
577 | / symbol_conf.nr_events) | |
578 | return -1; | |
ce6f4fab | 579 | |
d04b35f8 | 580 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
581 | if (notes->src == NULL) |
582 | return -1; | |
583 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 584 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
585 | INIT_LIST_HEAD(¬es->src->source); |
586 | return 0; | |
78f7defe ACM |
587 | } |
588 | ||
d4957633 AK |
589 | /* The cycles histogram is lazily allocated. */ |
590 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
591 | { | |
592 | struct annotation *notes = symbol__annotation(sym); | |
593 | const size_t size = symbol__size(sym); | |
594 | ||
595 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
596 | if (notes->src->cycles_hist == NULL) | |
597 | return -1; | |
598 | return 0; | |
599 | } | |
600 | ||
36532461 ACM |
601 | void symbol__annotate_zero_histograms(struct symbol *sym) |
602 | { | |
603 | struct annotation *notes = symbol__annotation(sym); | |
604 | ||
ce6f4fab | 605 | pthread_mutex_lock(¬es->lock); |
d4957633 | 606 | if (notes->src != NULL) { |
ce6f4fab ACM |
607 | memset(notes->src->histograms, 0, |
608 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
609 | if (notes->src->cycles_hist) |
610 | memset(notes->src->cycles_hist, 0, | |
611 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
612 | } | |
ce6f4fab | 613 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
614 | } |
615 | ||
d4957633 AK |
616 | static int __symbol__account_cycles(struct annotation *notes, |
617 | u64 start, | |
618 | unsigned offset, unsigned cycles, | |
619 | unsigned have_start) | |
620 | { | |
621 | struct cyc_hist *ch; | |
622 | ||
623 | ch = notes->src->cycles_hist; | |
624 | /* | |
625 | * For now we can only account one basic block per | |
626 | * final jump. But multiple could be overlapping. | |
627 | * Always account the longest one. So when | |
628 | * a shorter one has been already seen throw it away. | |
629 | * | |
630 | * We separately always account the full cycles. | |
631 | */ | |
632 | ch[offset].num_aggr++; | |
633 | ch[offset].cycles_aggr += cycles; | |
634 | ||
635 | if (!have_start && ch[offset].have_start) | |
636 | return 0; | |
637 | if (ch[offset].num) { | |
638 | if (have_start && (!ch[offset].have_start || | |
639 | ch[offset].start > start)) { | |
640 | ch[offset].have_start = 0; | |
641 | ch[offset].cycles = 0; | |
642 | ch[offset].num = 0; | |
643 | if (ch[offset].reset < 0xffff) | |
644 | ch[offset].reset++; | |
645 | } else if (have_start && | |
646 | ch[offset].start < start) | |
647 | return 0; | |
648 | } | |
649 | ch[offset].have_start = have_start; | |
650 | ch[offset].start = start; | |
651 | ch[offset].cycles += cycles; | |
652 | ch[offset].num++; | |
653 | return 0; | |
654 | } | |
655 | ||
b66d8c0c ACM |
656 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
657 | struct annotation *notes, int evidx, u64 addr) | |
78f7defe | 658 | { |
2f525d01 | 659 | unsigned offset; |
78f7defe ACM |
660 | struct sym_hist *h; |
661 | ||
78f7defe ACM |
662 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
663 | ||
edee44be RB |
664 | if ((addr < sym->start || addr >= sym->end) && |
665 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
666 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
667 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 668 | return -ERANGE; |
e3d006ce | 669 | } |
78f7defe | 670 | |
2f525d01 ACM |
671 | offset = addr - sym->start; |
672 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
673 | h->sum++; |
674 | h->addr[offset]++; | |
675 | ||
676 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
677 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
678 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
679 | return 0; |
680 | } | |
681 | ||
d4957633 | 682 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
683 | { |
684 | struct annotation *notes = symbol__annotation(sym); | |
685 | ||
686 | if (notes->src == NULL) { | |
687 | if (symbol__alloc_hist(sym) < 0) | |
688 | return NULL; | |
689 | } | |
d4957633 AK |
690 | if (!notes->src->cycles_hist && cycles) { |
691 | if (symbol__alloc_hist_cycles(sym) < 0) | |
692 | return NULL; | |
693 | } | |
83be34a7 AK |
694 | return notes; |
695 | } | |
696 | ||
44e83039 ACM |
697 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
698 | int evidx, u64 addr) | |
b66d8c0c ACM |
699 | { |
700 | struct annotation *notes; | |
701 | ||
48c65bda | 702 | if (sym == NULL) |
b66d8c0c | 703 | return 0; |
d4957633 | 704 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
705 | if (notes == NULL) |
706 | return -ENOMEM; | |
b66d8c0c ACM |
707 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); |
708 | } | |
709 | ||
d4957633 AK |
710 | static int symbol__account_cycles(u64 addr, u64 start, |
711 | struct symbol *sym, unsigned cycles) | |
712 | { | |
713 | struct annotation *notes; | |
714 | unsigned offset; | |
715 | ||
716 | if (sym == NULL) | |
717 | return 0; | |
718 | notes = symbol__get_annotation(sym, true); | |
719 | if (notes == NULL) | |
720 | return -ENOMEM; | |
721 | if (addr < sym->start || addr >= sym->end) | |
722 | return -ERANGE; | |
723 | ||
724 | if (start) { | |
725 | if (start < sym->start || start >= sym->end) | |
726 | return -ERANGE; | |
727 | if (start >= addr) | |
728 | start = 0; | |
729 | } | |
730 | offset = addr - sym->start; | |
731 | return __symbol__account_cycles(notes, | |
732 | start ? start - sym->start : 0, | |
733 | offset, cycles, | |
734 | !!start); | |
735 | } | |
736 | ||
737 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
738 | struct addr_map_symbol *start, | |
739 | unsigned cycles) | |
740 | { | |
3d7245b0 | 741 | u64 saddr = 0; |
d4957633 AK |
742 | int err; |
743 | ||
744 | if (!cycles) | |
745 | return 0; | |
746 | ||
747 | /* | |
748 | * Only set start when IPC can be computed. We can only | |
749 | * compute it when the basic block is completely in a single | |
750 | * function. | |
751 | * Special case the case when the jump is elsewhere, but | |
752 | * it starts on the function start. | |
753 | */ | |
754 | if (start && | |
755 | (start->sym == ams->sym || | |
756 | (ams->sym && | |
757 | start->addr == ams->sym->start + ams->map->start))) | |
758 | saddr = start->al_addr; | |
759 | if (saddr == 0) | |
3d7245b0 | 760 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
761 | ams->addr, |
762 | start ? start->addr : 0, | |
763 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
764 | saddr); | |
765 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
766 | if (err) | |
767 | pr_debug2("account_cycles failed %d\n", err); | |
768 | return err; | |
769 | } | |
770 | ||
0f4e7a24 ACM |
771 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
772 | { | |
773 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
774 | } | |
775 | ||
f626adff ACM |
776 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
777 | { | |
778 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
779 | } | |
780 | ||
786c1b51 | 781 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 782 | { |
75b49202 | 783 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 784 | |
75b49202 | 785 | if (!dl->ins.ops) |
4f9d0325 ACM |
786 | return; |
787 | ||
75b49202 ACM |
788 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
789 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
790 | } |
791 | ||
75b49202 | 792 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 ACM |
793 | { |
794 | char *name = line, tmp; | |
795 | ||
796 | while (isspace(name[0])) | |
797 | ++name; | |
798 | ||
799 | if (name[0] == '\0') | |
800 | return -1; | |
801 | ||
802 | *rawp = name + 1; | |
803 | ||
804 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
805 | ++*rawp; | |
806 | ||
807 | tmp = (*rawp)[0]; | |
808 | (*rawp)[0] = '\0'; | |
809 | *namep = strdup(name); | |
810 | ||
811 | if (*namep == NULL) | |
812 | goto out_free_name; | |
813 | ||
814 | (*rawp)[0] = tmp; | |
815 | ||
816 | if ((*rawp)[0] != '\0') { | |
817 | (*rawp)++; | |
818 | while (isspace((*rawp)[0])) | |
819 | ++(*rawp); | |
820 | } | |
821 | ||
822 | return 0; | |
823 | ||
824 | out_free_name: | |
75b49202 ACM |
825 | free((void *)namep); |
826 | *namep = NULL; | |
7a997fe4 ACM |
827 | return -1; |
828 | } | |
829 | ||
e592488c | 830 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
bff5c306 | 831 | size_t privsize, int line_nr, |
786c1b51 | 832 | struct arch *arch, |
bff5c306 | 833 | struct map *map) |
78f7defe | 834 | { |
5145418b | 835 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 836 | |
29ed6e76 ACM |
837 | if (dl != NULL) { |
838 | dl->offset = offset; | |
839 | dl->line = strdup(line); | |
e592488c | 840 | dl->line_nr = line_nr; |
29ed6e76 | 841 | if (dl->line == NULL) |
058b4cc9 | 842 | goto out_delete; |
5145418b ACM |
843 | |
844 | if (offset != -1) { | |
75b49202 | 845 | if (disasm_line__parse(dl->line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
846 | goto out_free_line; |
847 | ||
786c1b51 | 848 | disasm_line__init_ins(dl, arch, map); |
5145418b | 849 | } |
78f7defe ACM |
850 | } |
851 | ||
29ed6e76 | 852 | return dl; |
5145418b ACM |
853 | |
854 | out_free_line: | |
74cf249d | 855 | zfree(&dl->line); |
058b4cc9 | 856 | out_delete: |
29ed6e76 | 857 | free(dl); |
058b4cc9 | 858 | return NULL; |
78f7defe ACM |
859 | } |
860 | ||
29ed6e76 | 861 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 862 | { |
74cf249d | 863 | zfree(&dl->line); |
75b49202 ACM |
864 | if (dl->ins.ops && dl->ins.ops->free) |
865 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
866 | else |
867 | ins__delete(&dl->ops); | |
75b49202 ACM |
868 | free((void *)dl->ins.name); |
869 | dl->ins.name = NULL; | |
29ed6e76 | 870 | free(dl); |
78f7defe ACM |
871 | } |
872 | ||
5417072b ACM |
873 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
874 | { | |
75b49202 ACM |
875 | if (raw || !dl->ins.ops) |
876 | return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw); | |
5417072b | 877 | |
75b49202 | 878 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
879 | } |
880 | ||
29ed6e76 | 881 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
882 | { |
883 | list_add_tail(&line->node, head); | |
884 | } | |
885 | ||
29ed6e76 | 886 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
887 | { |
888 | list_for_each_entry_continue(pos, head, node) | |
889 | if (pos->offset >= 0) | |
890 | return pos; | |
891 | ||
892 | return NULL; | |
893 | } | |
894 | ||
e64aa75b | 895 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
0c4a5bce | 896 | s64 end, const char **path, u64 *nr_samples) |
e5ccf9f4 NK |
897 | { |
898 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 | 899 | double percent = 0.0; |
0c4a5bce | 900 | *nr_samples = 0; |
e5ccf9f4 | 901 | |
bd64fcb8 | 902 | if (src_line) { |
1491c22a | 903 | size_t sizeof_src_line = sizeof(*src_line) + |
276af92f | 904 | sizeof(src_line->samples) * (src_line->nr_pcnt - 1); |
1491c22a | 905 | |
bd64fcb8 | 906 | while (offset < end) { |
1491c22a NK |
907 | src_line = (void *)notes->src->lines + |
908 | (sizeof_src_line * offset); | |
909 | ||
e5ccf9f4 | 910 | if (*path == NULL) |
1491c22a | 911 | *path = src_line->path; |
e5ccf9f4 | 912 | |
276af92f ACM |
913 | percent += src_line->samples[evidx].percent; |
914 | *nr_samples += src_line->samples[evidx].nr; | |
1491c22a | 915 | offset++; |
bd64fcb8 NK |
916 | } |
917 | } else { | |
1491c22a NK |
918 | struct sym_hist *h = annotation__histogram(notes, evidx); |
919 | unsigned int hits = 0; | |
920 | ||
bd64fcb8 NK |
921 | while (offset < end) |
922 | hits += h->addr[offset++]; | |
e5ccf9f4 | 923 | |
0c4a5bce ML |
924 | if (h->sum) { |
925 | *nr_samples = hits; | |
bd64fcb8 | 926 | percent = 100.0 * hits / h->sum; |
0c4a5bce | 927 | } |
bd64fcb8 | 928 | } |
e5ccf9f4 NK |
929 | |
930 | return percent; | |
931 | } | |
932 | ||
70fbe057 PZ |
933 | static const char *annotate__address_color(struct block_range *br) |
934 | { | |
935 | double cov = block_range__coverage(br); | |
936 | ||
937 | if (cov >= 0) { | |
938 | /* mark red for >75% coverage */ | |
939 | if (cov > 0.75) | |
940 | return PERF_COLOR_RED; | |
941 | ||
942 | /* mark dull for <1% coverage */ | |
943 | if (cov < 0.01) | |
944 | return PERF_COLOR_NORMAL; | |
945 | } | |
946 | ||
947 | return PERF_COLOR_MAGENTA; | |
948 | } | |
949 | ||
950 | static const char *annotate__asm_color(struct block_range *br) | |
951 | { | |
952 | double cov = block_range__coverage(br); | |
953 | ||
954 | if (cov >= 0) { | |
955 | /* mark dull for <1% coverage */ | |
956 | if (cov < 0.01) | |
957 | return PERF_COLOR_NORMAL; | |
958 | } | |
959 | ||
960 | return PERF_COLOR_BLUE; | |
961 | } | |
962 | ||
963 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
964 | { | |
965 | bool emit_comment = true; | |
966 | ||
967 | if (!br) | |
968 | return; | |
969 | ||
970 | #if 1 | |
971 | if (br->is_target && br->start == addr) { | |
972 | struct block_range *branch = br; | |
973 | double p; | |
974 | ||
975 | /* | |
976 | * Find matching branch to our target. | |
977 | */ | |
978 | while (!branch->is_branch) | |
979 | branch = block_range__next(branch); | |
980 | ||
981 | p = 100 *(double)br->entry / branch->coverage; | |
982 | ||
983 | if (p > 0.1) { | |
984 | if (emit_comment) { | |
985 | emit_comment = false; | |
986 | printf("\t#"); | |
987 | } | |
988 | ||
989 | /* | |
990 | * The percentage of coverage joined at this target in relation | |
991 | * to the next branch. | |
992 | */ | |
993 | printf(" +%.2f%%", p); | |
994 | } | |
995 | } | |
996 | #endif | |
997 | if (br->is_branch && br->end == addr) { | |
998 | double p = 100*(double)br->taken / br->coverage; | |
999 | ||
1000 | if (p > 0.1) { | |
1001 | if (emit_comment) { | |
1002 | emit_comment = false; | |
1003 | printf("\t#"); | |
1004 | } | |
1005 | ||
1006 | /* | |
1007 | * The percentage of coverage leaving at this branch, and | |
1008 | * its prediction ratio. | |
1009 | */ | |
1010 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1011 | } | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | ||
29ed6e76 | 1016 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 1017 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 1018 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
1019 | { |
1020 | static const char *prev_line; | |
1021 | static const char *prev_color; | |
1022 | ||
29ed6e76 | 1023 | if (dl->offset != -1) { |
78f7defe | 1024 | const char *path = NULL; |
0c4a5bce | 1025 | u64 nr_samples; |
b1dd4432 NK |
1026 | double percent, max_percent = 0.0; |
1027 | double *ppercents = &percent; | |
0c4a5bce | 1028 | u64 *psamples = &nr_samples; |
b1dd4432 | 1029 | int i, nr_percent = 1; |
78f7defe ACM |
1030 | const char *color; |
1031 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 1032 | s64 offset = dl->offset; |
058b4cc9 | 1033 | const u64 addr = start + offset; |
29ed6e76 | 1034 | struct disasm_line *next; |
70fbe057 | 1035 | struct block_range *br; |
ce6f4fab | 1036 | |
29ed6e76 | 1037 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 1038 | |
759ff497 | 1039 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
1040 | nr_percent = evsel->nr_members; |
1041 | ppercents = calloc(nr_percent, sizeof(double)); | |
0c4a5bce ML |
1042 | psamples = calloc(nr_percent, sizeof(u64)); |
1043 | if (ppercents == NULL || psamples == NULL) { | |
b1dd4432 | 1044 | return -1; |
0c4a5bce | 1045 | } |
b1dd4432 NK |
1046 | } |
1047 | ||
1048 | for (i = 0; i < nr_percent; i++) { | |
1049 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
1050 | notes->src->lines ? i : evsel->idx + i, |
1051 | offset, | |
1052 | next ? next->offset : (s64) len, | |
0c4a5bce | 1053 | &path, &nr_samples); |
b1dd4432 NK |
1054 | |
1055 | ppercents[i] = percent; | |
0c4a5bce | 1056 | psamples[i] = nr_samples; |
b1dd4432 NK |
1057 | if (percent > max_percent) |
1058 | max_percent = percent; | |
1059 | } | |
1060 | ||
1061 | if (max_percent < min_pcnt) | |
36532461 ACM |
1062 | return -1; |
1063 | ||
e3087b80 | 1064 | if (max_lines && printed >= max_lines) |
36532461 | 1065 | return 1; |
d040bd36 | 1066 | |
d5e3d747 ACM |
1067 | if (queue != NULL) { |
1068 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 1069 | if (queue == dl) |
d5e3d747 | 1070 | break; |
db8fd07a | 1071 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
1072 | 0, 0, 1, NULL); |
1073 | } | |
1074 | } | |
1075 | ||
b1dd4432 | 1076 | color = get_percent_color(max_percent); |
78f7defe ACM |
1077 | |
1078 | /* | |
1079 | * Also color the filename and line if needed, with | |
1080 | * the same color than the percentage. Don't print it | |
1081 | * twice for close colored addr with the same filename:line | |
1082 | */ | |
1083 | if (path) { | |
1084 | if (!prev_line || strcmp(prev_line, path) | |
1085 | || color != prev_color) { | |
1086 | color_fprintf(stdout, color, " %s", path); | |
1087 | prev_line = path; | |
1088 | prev_color = color; | |
1089 | } | |
1090 | } | |
1091 | ||
b1dd4432 NK |
1092 | for (i = 0; i < nr_percent; i++) { |
1093 | percent = ppercents[i]; | |
0c4a5bce | 1094 | nr_samples = psamples[i]; |
b1dd4432 | 1095 | color = get_percent_color(percent); |
0c4a5bce ML |
1096 | |
1097 | if (symbol_conf.show_total_period) | |
1098 | color_fprintf(stdout, color, " %7" PRIu64, | |
1099 | nr_samples); | |
1100 | else | |
1101 | color_fprintf(stdout, color, " %7.2f", percent); | |
b1dd4432 NK |
1102 | } |
1103 | ||
78f7defe | 1104 | printf(" : "); |
70fbe057 PZ |
1105 | |
1106 | br = block_range__find(addr); | |
1107 | color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr); | |
1108 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->line); | |
1109 | annotate__branch_printf(br, addr); | |
1110 | printf("\n"); | |
b1dd4432 NK |
1111 | |
1112 | if (ppercents != &percent) | |
1113 | free(ppercents); | |
1114 | ||
0c4a5bce ML |
1115 | if (psamples != &nr_samples) |
1116 | free(psamples); | |
1117 | ||
e3087b80 | 1118 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1119 | return 1; |
1120 | else { | |
b1dd4432 NK |
1121 | int width = 8; |
1122 | ||
d5e3d747 ACM |
1123 | if (queue) |
1124 | return -1; | |
1125 | ||
759ff497 | 1126 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1127 | width *= evsel->nr_members; |
1128 | ||
29ed6e76 | 1129 | if (!*dl->line) |
b1dd4432 | 1130 | printf(" %*s:\n", width, " "); |
78f7defe | 1131 | else |
b1dd4432 | 1132 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 1133 | } |
36532461 ACM |
1134 | |
1135 | return 0; | |
78f7defe ACM |
1136 | } |
1137 | ||
3aec150a NK |
1138 | /* |
1139 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1140 | * which looks like following | |
1141 | * | |
1142 | * 0000000000415500 <_init>: | |
1143 | * 415500: sub $0x8,%rsp | |
1144 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1145 | * 41550b: test %rax,%rax | |
1146 | * 41550e: je 415515 <_init+0x15> | |
1147 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1148 | * 415515: add $0x8,%rsp | |
1149 | * 415519: retq | |
1150 | * | |
1151 | * it will be parsed and saved into struct disasm_line as | |
1152 | * <offset> <name> <ops.raw> | |
1153 | * | |
1154 | * The offset will be a relative offset from the start of the symbol and -1 | |
1155 | * means that it's not a disassembly line so should be treated differently. | |
1156 | * The ops.raw part will be parsed further according to type of the instruction. | |
1157 | */ | |
ce6f4fab | 1158 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
786c1b51 | 1159 | struct arch *arch, |
e592488c AK |
1160 | FILE *file, size_t privsize, |
1161 | int *line_nr) | |
78f7defe | 1162 | { |
ce6f4fab | 1163 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1164 | struct disasm_line *dl; |
058b4cc9 | 1165 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
1166 | size_t line_len; |
1167 | s64 line_ip, offset = -1; | |
e592488c | 1168 | regmatch_t match[2]; |
78f7defe ACM |
1169 | |
1170 | if (getline(&line, &line_len, file) < 0) | |
1171 | return -1; | |
1172 | ||
1173 | if (!line) | |
1174 | return -1; | |
1175 | ||
1176 | while (line_len != 0 && isspace(line[line_len - 1])) | |
1177 | line[--line_len] = '\0'; | |
1178 | ||
1179 | c = strchr(line, '\n'); | |
1180 | if (c) | |
1181 | *c = 0; | |
1182 | ||
1183 | line_ip = -1; | |
a31b7cc0 | 1184 | parsed_line = line; |
78f7defe | 1185 | |
e592488c AK |
1186 | /* /filename:linenr ? Save line number and ignore. */ |
1187 | if (regexec(&file_lineno, line, 2, match, 0) == 0) { | |
1188 | *line_nr = atoi(line + match[1].rm_so); | |
1189 | return 0; | |
1190 | } | |
1191 | ||
78f7defe ACM |
1192 | /* |
1193 | * Strip leading spaces: | |
1194 | */ | |
1195 | tmp = line; | |
1196 | while (*tmp) { | |
1197 | if (*tmp != ' ') | |
1198 | break; | |
1199 | tmp++; | |
1200 | } | |
1201 | ||
1202 | if (*tmp) { | |
1203 | /* | |
1204 | * Parse hexa addresses followed by ':' | |
1205 | */ | |
1206 | line_ip = strtoull(tmp, &tmp2, 16); | |
1207 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1208 | line_ip = -1; | |
1209 | } | |
1210 | ||
1211 | if (line_ip != -1) { | |
1212 | u64 start = map__rip_2objdump(map, sym->start), | |
1213 | end = map__rip_2objdump(map, sym->end); | |
1214 | ||
1215 | offset = line_ip - start; | |
2c241bd3 | 1216 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1217 | offset = -1; |
058b4cc9 ACM |
1218 | else |
1219 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1220 | } |
78f7defe | 1221 | |
786c1b51 | 1222 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr, arch, map); |
058b4cc9 | 1223 | free(line); |
e592488c | 1224 | (*line_nr)++; |
058b4cc9 | 1225 | |
29ed6e76 | 1226 | if (dl == NULL) |
78f7defe | 1227 | return -1; |
058b4cc9 | 1228 | |
e216874c | 1229 | if (!disasm_line__has_offset(dl)) { |
bbb7f846 AH |
1230 | dl->ops.target.offset = dl->ops.target.addr - |
1231 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1232 | dl->ops.target.offset_avail = true; |
1233 | } | |
bbb7f846 | 1234 | |
6e427ab0 | 1235 | /* kcore has no symbols, so add the call target name */ |
75b49202 | 1236 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
1237 | struct addr_map_symbol target = { |
1238 | .map = map, | |
1239 | .addr = dl->ops.target.addr, | |
1240 | }; | |
1241 | ||
be39db9f | 1242 | if (!map_groups__find_ams(&target) && |
6e427ab0 AH |
1243 | target.sym->start == target.al_addr) |
1244 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
1245 | } |
1246 | ||
29ed6e76 | 1247 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
1248 | |
1249 | return 0; | |
1250 | } | |
1251 | ||
e592488c AK |
1252 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1253 | { | |
1254 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1255 | } | |
1256 | ||
484a5e74 AH |
1257 | static void delete_last_nop(struct symbol *sym) |
1258 | { | |
1259 | struct annotation *notes = symbol__annotation(sym); | |
1260 | struct list_head *list = ¬es->src->source; | |
1261 | struct disasm_line *dl; | |
1262 | ||
1263 | while (!list_empty(list)) { | |
1264 | dl = list_entry(list->prev, struct disasm_line, node); | |
1265 | ||
75b49202 ACM |
1266 | if (dl->ins.ops) { |
1267 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1268 | return; |
1269 | } else { | |
1270 | if (!strstr(dl->line, " nop ") && | |
1271 | !strstr(dl->line, " nopl ") && | |
1272 | !strstr(dl->line, " nopw ")) | |
1273 | return; | |
1274 | } | |
1275 | ||
1276 | list_del(&dl->node); | |
1277 | disasm_line__free(dl); | |
1278 | } | |
1279 | } | |
1280 | ||
ee51d851 ACM |
1281 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1282 | int errnum, char *buf, size_t buflen) | |
1283 | { | |
1284 | struct dso *dso = map->dso; | |
1285 | ||
1286 | BUG_ON(buflen == 0); | |
1287 | ||
1288 | if (errnum >= 0) { | |
1289 | str_error_r(errnum, buf, buflen); | |
1290 | return 0; | |
1291 | } | |
1292 | ||
1293 | switch (errnum) { | |
1294 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1295 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1296 | char *build_id_msg = NULL; | |
1297 | ||
1298 | if (dso->has_build_id) { | |
1299 | build_id__sprintf(dso->build_id, | |
1300 | sizeof(dso->build_id), bf + 15); | |
1301 | build_id_msg = bf; | |
1302 | } | |
1303 | scnprintf(buf, buflen, | |
1304 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1305 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1306 | "Please use:\n\n" | |
1307 | " perf buildid-cache -vu vmlinux\n\n" | |
1308 | "or:\n\n" | |
1309 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1310 | } | |
1311 | break; | |
1312 | default: | |
1313 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1314 | break; | |
1315 | } | |
1316 | ||
1317 | return 0; | |
1318 | } | |
1319 | ||
05ed3ac9 | 1320 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1321 | { |
05ed3ac9 ACM |
1322 | char linkname[PATH_MAX]; |
1323 | char *build_id_filename; | |
78f7defe | 1324 | |
c12944f7 ACM |
1325 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1326 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1327 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1328 | |
05ed3ac9 ACM |
1329 | build_id_filename = dso__build_id_filename(dso, NULL, 0); |
1330 | if (build_id_filename) { | |
1331 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1332 | free(build_id_filename); | |
3caee094 | 1333 | } else { |
ee51d851 ACM |
1334 | if (dso->has_build_id) |
1335 | return ENOMEM; | |
78f7defe | 1336 | goto fallback; |
3caee094 ACM |
1337 | } |
1338 | ||
1339 | if (dso__is_kcore(dso) || | |
05ed3ac9 ACM |
1340 | readlink(filename, linkname, sizeof(linkname)) < 0 || |
1341 | strstr(linkname, DSO__NAME_KALLSYMS) || | |
1342 | access(filename, R_OK)) { | |
78f7defe ACM |
1343 | fallback: |
1344 | /* | |
1345 | * If we don't have build-ids or the build-id file isn't in the | |
1346 | * cache, or is just a kallsyms file, well, lets hope that this | |
1347 | * DSO is the same as when 'perf record' ran. | |
1348 | */ | |
05ed3ac9 | 1349 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1350 | } |
1351 | ||
05ed3ac9 ACM |
1352 | return 0; |
1353 | } | |
1354 | ||
786c1b51 ACM |
1355 | static const char *annotate__norm_arch(const char *arch_name) |
1356 | { | |
1357 | struct utsname uts; | |
1358 | ||
1359 | if (!arch_name) { /* Assume we are annotating locally. */ | |
1360 | if (uname(&uts) < 0) | |
1361 | return NULL; | |
1362 | arch_name = uts.machine; | |
1363 | } | |
1364 | return normalize_arch((char *)arch_name); | |
1365 | } | |
1366 | ||
1367 | int symbol__disassemble(struct symbol *sym, struct map *map, const char *arch_name, size_t privsize) | |
05ed3ac9 ACM |
1368 | { |
1369 | struct dso *dso = map->dso; | |
1370 | char command[PATH_MAX * 2]; | |
786c1b51 | 1371 | struct arch *arch = NULL; |
05ed3ac9 ACM |
1372 | FILE *file; |
1373 | char symfs_filename[PATH_MAX]; | |
1374 | struct kcore_extract kce; | |
1375 | bool delete_extract = false; | |
1376 | int stdout_fd[2]; | |
1377 | int lineno = 0; | |
1378 | int nline; | |
1379 | pid_t pid; | |
1380 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1381 | ||
1382 | if (err) | |
1383 | return err; | |
1384 | ||
786c1b51 ACM |
1385 | arch_name = annotate__norm_arch(arch_name); |
1386 | if (!arch_name) | |
1387 | return -1; | |
1388 | ||
1389 | arch = arch__find(arch_name); | |
1390 | if (arch == NULL) | |
1391 | return -ENOTSUP; | |
1392 | ||
0781ea92 ACM |
1393 | if (arch->init) { |
1394 | err = arch->init(arch); | |
1395 | if (err) { | |
1396 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1397 | return err; | |
1398 | } | |
1399 | } | |
1400 | ||
78f7defe | 1401 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1402 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1403 | map->unmap_ip(map, sym->end)); |
1404 | ||
78f7defe ACM |
1405 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1406 | dso, dso->long_name, sym, sym->name); | |
1407 | ||
afba19d9 AH |
1408 | if (dso__is_kcore(dso)) { |
1409 | kce.kcore_filename = symfs_filename; | |
1410 | kce.addr = map__rip_2objdump(map, sym->start); | |
1411 | kce.offs = sym->start; | |
2c241bd3 | 1412 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1413 | if (!kcore_extract__create(&kce)) { |
1414 | delete_extract = true; | |
1415 | strlcpy(symfs_filename, kce.extract_filename, | |
1416 | sizeof(symfs_filename)); | |
afba19d9 | 1417 | } |
2c7da8c5 JO |
1418 | } else if (dso__needs_decompress(dso)) { |
1419 | char tmp[PATH_MAX]; | |
1420 | struct kmod_path m; | |
1421 | int fd; | |
1422 | bool ret; | |
1423 | ||
1424 | if (kmod_path__parse_ext(&m, symfs_filename)) | |
3caee094 | 1425 | goto out; |
2c7da8c5 JO |
1426 | |
1427 | snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); | |
1428 | ||
1429 | fd = mkstemp(tmp); | |
1430 | if (fd < 0) { | |
1431 | free(m.ext); | |
3caee094 | 1432 | goto out; |
2c7da8c5 JO |
1433 | } |
1434 | ||
1435 | ret = decompress_to_file(m.ext, symfs_filename, fd); | |
1436 | ||
62ec9b3f AK |
1437 | if (ret) |
1438 | pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename); | |
1439 | ||
2c7da8c5 JO |
1440 | free(m.ext); |
1441 | close(fd); | |
1442 | ||
1443 | if (!ret) | |
3caee094 | 1444 | goto out; |
2c7da8c5 JO |
1445 | |
1446 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1447 | } |
1448 | ||
78f7defe | 1449 | snprintf(command, sizeof(command), |
7a4ec938 | 1450 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1451 | " --stop-address=0x%016" PRIx64 |
e592488c | 1452 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 1453 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1454 | disassembler_style ? "-M " : "", |
1455 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1456 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1457 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1458 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1459 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1460 | symfs_filename, symfs_filename); |
78f7defe ACM |
1461 | |
1462 | pr_debug("Executing: %s\n", command); | |
1463 | ||
9955d0be ACM |
1464 | err = -1; |
1465 | if (pipe(stdout_fd) < 0) { | |
1466 | pr_err("Failure creating the pipe to run %s\n", command); | |
1467 | goto out_remove_tmp; | |
1468 | } | |
1469 | ||
1470 | pid = fork(); | |
1471 | if (pid < 0) { | |
1472 | pr_err("Failure forking to run %s\n", command); | |
1473 | goto out_close_stdout; | |
1474 | } | |
1475 | ||
1476 | if (pid == 0) { | |
1477 | close(stdout_fd[0]); | |
1478 | dup2(stdout_fd[1], 1); | |
1479 | close(stdout_fd[1]); | |
1480 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1481 | perror(command); | |
1482 | exit(-1); | |
1483 | } | |
1484 | ||
1485 | close(stdout_fd[1]); | |
1486 | ||
1487 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1488 | if (!file) { |
9955d0be | 1489 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1490 | /* |
1491 | * If we were using debug info should retry with | |
1492 | * original binary. | |
1493 | */ | |
2c7da8c5 | 1494 | goto out_remove_tmp; |
62ec9b3f | 1495 | } |
78f7defe | 1496 | |
62ec9b3f AK |
1497 | nline = 0; |
1498 | while (!feof(file)) { | |
786c1b51 | 1499 | if (symbol__parse_objdump_line(sym, map, arch, file, privsize, |
e592488c | 1500 | &lineno) < 0) |
78f7defe | 1501 | break; |
62ec9b3f AK |
1502 | nline++; |
1503 | } | |
1504 | ||
1505 | if (nline == 0) | |
1506 | pr_err("No output from %s\n", command); | |
78f7defe | 1507 | |
484a5e74 AH |
1508 | /* |
1509 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1510 | * Remove it. | |
1511 | */ | |
1512 | if (dso__is_kcore(dso)) | |
1513 | delete_last_nop(sym); | |
1514 | ||
9955d0be ACM |
1515 | fclose(file); |
1516 | err = 0; | |
2c7da8c5 | 1517 | out_remove_tmp: |
9955d0be ACM |
1518 | close(stdout_fd[0]); |
1519 | ||
2c7da8c5 JO |
1520 | if (dso__needs_decompress(dso)) |
1521 | unlink(symfs_filename); | |
3caee094 | 1522 | |
afba19d9 AH |
1523 | if (delete_extract) |
1524 | kcore_extract__delete(&kce); | |
c12944f7 | 1525 | out: |
78f7defe | 1526 | return err; |
9955d0be ACM |
1527 | |
1528 | out_close_stdout: | |
1529 | close(stdout_fd[1]); | |
1530 | goto out_remove_tmp; | |
78f7defe ACM |
1531 | } |
1532 | ||
1533 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1534 | { | |
1535 | struct source_line *iter; | |
1536 | struct rb_node **p = &root->rb_node; | |
1537 | struct rb_node *parent = NULL; | |
1491c22a | 1538 | int i, ret; |
78f7defe ACM |
1539 | |
1540 | while (*p != NULL) { | |
1541 | parent = *p; | |
1542 | iter = rb_entry(parent, struct source_line, node); | |
1543 | ||
41127965 NK |
1544 | ret = strcmp(iter->path, src_line->path); |
1545 | if (ret == 0) { | |
1491c22a | 1546 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1547 | iter->samples[i].percent_sum += src_line->samples[i].percent; |
41127965 NK |
1548 | return; |
1549 | } | |
1550 | ||
1551 | if (ret < 0) | |
1552 | p = &(*p)->rb_left; | |
1553 | else | |
1554 | p = &(*p)->rb_right; | |
1555 | } | |
1556 | ||
1491c22a | 1557 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1558 | src_line->samples[i].percent_sum = src_line->samples[i].percent; |
41127965 NK |
1559 | |
1560 | rb_link_node(&src_line->node, parent, p); | |
1561 | rb_insert_color(&src_line->node, root); | |
1562 | } | |
1563 | ||
1491c22a NK |
1564 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1565 | { | |
1566 | int i; | |
1567 | ||
1568 | for (i = 0; i < a->nr_pcnt; i++) { | |
276af92f | 1569 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1570 | continue; |
276af92f | 1571 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1572 | } |
1573 | ||
1574 | return 0; | |
1575 | } | |
1576 | ||
41127965 NK |
1577 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1578 | { | |
1579 | struct source_line *iter; | |
1580 | struct rb_node **p = &root->rb_node; | |
1581 | struct rb_node *parent = NULL; | |
1582 | ||
1583 | while (*p != NULL) { | |
1584 | parent = *p; | |
1585 | iter = rb_entry(parent, struct source_line, node); | |
1586 | ||
1491c22a | 1587 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1588 | p = &(*p)->rb_left; |
1589 | else | |
1590 | p = &(*p)->rb_right; | |
1591 | } | |
1592 | ||
1593 | rb_link_node(&src_line->node, parent, p); | |
1594 | rb_insert_color(&src_line->node, root); | |
1595 | } | |
1596 | ||
41127965 NK |
1597 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1598 | { | |
1599 | struct source_line *src_line; | |
1600 | struct rb_node *node; | |
1601 | ||
1602 | node = rb_first(src_root); | |
1603 | while (node) { | |
1604 | struct rb_node *next; | |
1605 | ||
1606 | src_line = rb_entry(node, struct source_line, node); | |
1607 | next = rb_next(node); | |
1608 | rb_erase(node, src_root); | |
1609 | ||
1610 | __resort_source_line(dest_root, src_line); | |
1611 | node = next; | |
1612 | } | |
1613 | } | |
1614 | ||
78f7defe ACM |
1615 | static void symbol__free_source_line(struct symbol *sym, int len) |
1616 | { | |
1617 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1618 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1619 | size_t sizeof_src_line; |
78f7defe ACM |
1620 | int i; |
1621 | ||
1491c22a | 1622 | sizeof_src_line = sizeof(*src_line) + |
276af92f | 1623 | (sizeof(src_line->samples) * (src_line->nr_pcnt - 1)); |
78f7defe | 1624 | |
1491c22a | 1625 | for (i = 0; i < len; i++) { |
f048d548 | 1626 | free_srcline(src_line->path); |
1491c22a NK |
1627 | src_line = (void *)src_line + sizeof_src_line; |
1628 | } | |
1629 | ||
04662523 | 1630 | zfree(¬es->src->lines); |
78f7defe ACM |
1631 | } |
1632 | ||
1633 | /* Get the filename:line for the colored entries */ | |
1634 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1635 | struct perf_evsel *evsel, |
86c98cab | 1636 | struct rb_root *root, int len) |
78f7defe ACM |
1637 | { |
1638 | u64 start; | |
1491c22a NK |
1639 | int i, k; |
1640 | int evidx = evsel->idx; | |
78f7defe ACM |
1641 | struct source_line *src_line; |
1642 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1643 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1644 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1645 | int nr_pcnt = 1; |
1646 | u64 h_sum = h->sum; | |
1647 | size_t sizeof_src_line = sizeof(struct source_line); | |
1648 | ||
1649 | if (perf_evsel__is_group_event(evsel)) { | |
1650 | for (i = 1; i < evsel->nr_members; i++) { | |
1651 | h = annotation__histogram(notes, evidx + i); | |
1652 | h_sum += h->sum; | |
1653 | } | |
1654 | nr_pcnt = evsel->nr_members; | |
276af92f | 1655 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples); |
1491c22a | 1656 | } |
78f7defe | 1657 | |
1491c22a | 1658 | if (!h_sum) |
78f7defe ACM |
1659 | return 0; |
1660 | ||
1491c22a | 1661 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1662 | if (!notes->src->lines) |
78f7defe ACM |
1663 | return -1; |
1664 | ||
f40a0633 | 1665 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1666 | |
1667 | for (i = 0; i < len; i++) { | |
78f7defe | 1668 | u64 offset; |
1491c22a | 1669 | double percent_max = 0.0; |
78f7defe | 1670 | |
1491c22a NK |
1671 | src_line->nr_pcnt = nr_pcnt; |
1672 | ||
1673 | for (k = 0; k < nr_pcnt; k++) { | |
1674 | h = annotation__histogram(notes, evidx + k); | |
276af92f | 1675 | src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum; |
1491c22a | 1676 | |
276af92f ACM |
1677 | if (src_line->samples[k].percent > percent_max) |
1678 | percent_max = src_line->samples[k].percent; | |
1491c22a NK |
1679 | } |
1680 | ||
1681 | if (percent_max <= 0.5) | |
1682 | goto next; | |
78f7defe ACM |
1683 | |
1684 | offset = start + i; | |
85c116a6 | 1685 | src_line->path = get_srcline(map->dso, offset, NULL, false); |
1491c22a | 1686 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1687 | |
1491c22a NK |
1688 | next: |
1689 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1690 | } |
1691 | ||
41127965 | 1692 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1693 | return 0; |
1694 | } | |
1695 | ||
1696 | static void print_summary(struct rb_root *root, const char *filename) | |
1697 | { | |
1698 | struct source_line *src_line; | |
1699 | struct rb_node *node; | |
1700 | ||
1701 | printf("\nSorted summary for file %s\n", filename); | |
1702 | printf("----------------------------------------------\n\n"); | |
1703 | ||
1704 | if (RB_EMPTY_ROOT(root)) { | |
1705 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1706 | return; | |
1707 | } | |
1708 | ||
1709 | node = rb_first(root); | |
1710 | while (node) { | |
1491c22a | 1711 | double percent, percent_max = 0.0; |
78f7defe ACM |
1712 | const char *color; |
1713 | char *path; | |
1491c22a | 1714 | int i; |
78f7defe ACM |
1715 | |
1716 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a | 1717 | for (i = 0; i < src_line->nr_pcnt; i++) { |
276af92f | 1718 | percent = src_line->samples[i].percent_sum; |
1491c22a NK |
1719 | color = get_percent_color(percent); |
1720 | color_fprintf(stdout, color, " %7.2f", percent); | |
1721 | ||
1722 | if (percent > percent_max) | |
1723 | percent_max = percent; | |
1724 | } | |
1725 | ||
78f7defe | 1726 | path = src_line->path; |
1491c22a | 1727 | color = get_percent_color(percent_max); |
f048d548 | 1728 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1729 | |
78f7defe ACM |
1730 | node = rb_next(node); |
1731 | } | |
1732 | } | |
1733 | ||
db8fd07a | 1734 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1735 | { |
1736 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1737 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1738 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1739 | |
1740 | for (offset = 0; offset < len; ++offset) | |
1741 | if (h->addr[offset] != 0) | |
1742 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1743 | sym->start + offset, h->addr[offset]); | |
1744 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1745 | } | |
1746 | ||
db8fd07a NK |
1747 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1748 | struct perf_evsel *evsel, bool full_paths, | |
1749 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1750 | { |
1751 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1752 | char *filename; |
1753 | const char *d_filename; | |
9cdbadce | 1754 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1755 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1756 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
29ed6e76 | 1757 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1758 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1759 | int printed = 2, queue_len = 0; |
36532461 | 1760 | int more = 0; |
78f7defe | 1761 | u64 len; |
b1dd4432 | 1762 | int width = 8; |
53dd9b5f | 1763 | int graph_dotted_len; |
78f7defe | 1764 | |
bfd14b9a DA |
1765 | filename = strdup(dso->long_name); |
1766 | if (!filename) | |
1767 | return -ENOMEM; | |
1768 | ||
78f7defe ACM |
1769 | if (full_paths) |
1770 | d_filename = filename; | |
1771 | else | |
1772 | d_filename = basename(filename); | |
1773 | ||
1b2e2df4 | 1774 | len = symbol__size(sym); |
b1dd4432 | 1775 | |
759ff497 | 1776 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1777 | width *= evsel->nr_members; |
78f7defe | 1778 | |
135cce1b PZI |
1779 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1780 | width, width, "Percent", d_filename, evsel_name, h->sum); | |
9cdbadce | 1781 | |
53dd9b5f | 1782 | printf("%-*.*s----\n", |
9cdbadce | 1783 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe ACM |
1784 | |
1785 | if (verbose) | |
db8fd07a | 1786 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1787 | |
ce6f4fab | 1788 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1789 | if (context && queue == NULL) { |
1790 | queue = pos; | |
1791 | queue_len = 0; | |
1792 | } | |
1793 | ||
db8fd07a | 1794 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1795 | min_pcnt, printed, max_lines, |
1796 | queue)) { | |
36532461 ACM |
1797 | case 0: |
1798 | ++printed; | |
d5e3d747 ACM |
1799 | if (context) { |
1800 | printed += queue_len; | |
1801 | queue = NULL; | |
1802 | queue_len = 0; | |
1803 | } | |
36532461 ACM |
1804 | break; |
1805 | case 1: | |
1806 | /* filtered by max_lines */ | |
1807 | ++more; | |
d040bd36 | 1808 | break; |
36532461 ACM |
1809 | case -1: |
1810 | default: | |
d5e3d747 ACM |
1811 | /* |
1812 | * Filtered by min_pcnt or non IP lines when | |
1813 | * context != 0 | |
1814 | */ | |
1815 | if (!context) | |
1816 | break; | |
1817 | if (queue_len == context) | |
1818 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1819 | else | |
1820 | ++queue_len; | |
36532461 ACM |
1821 | break; |
1822 | } | |
1823 | } | |
1824 | ||
bfd14b9a DA |
1825 | free(filename); |
1826 | ||
36532461 ACM |
1827 | return more; |
1828 | } | |
f1e2701d | 1829 | |
36532461 ACM |
1830 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1831 | { | |
1832 | struct annotation *notes = symbol__annotation(sym); | |
1833 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1834 | ||
ce6f4fab | 1835 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1836 | } |
1837 | ||
ce6f4fab | 1838 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1839 | { |
1840 | struct annotation *notes = symbol__annotation(sym); | |
1841 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1842 | int len = symbol__size(sym), offset; |
36532461 ACM |
1843 | |
1844 | h->sum = 0; | |
8b84a568 ACM |
1845 | for (offset = 0; offset < len; ++offset) { |
1846 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1847 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1848 | } |
1849 | } | |
1850 | ||
29ed6e76 | 1851 | void disasm__purge(struct list_head *head) |
f1e2701d | 1852 | { |
29ed6e76 | 1853 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1854 | |
1855 | list_for_each_entry_safe(pos, n, head, node) { | |
1856 | list_del(&pos->node); | |
29ed6e76 | 1857 | disasm_line__free(pos); |
f1e2701d ACM |
1858 | } |
1859 | } | |
1860 | ||
5145418b ACM |
1861 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1862 | { | |
1863 | size_t printed; | |
1864 | ||
1865 | if (dl->offset == -1) | |
1866 | return fprintf(fp, "%s\n", dl->line); | |
1867 | ||
75b49202 | 1868 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->ins.name); |
5145418b | 1869 | |
c7e6ead7 | 1870 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1871 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1872 | dl->ops.raw); |
5145418b ACM |
1873 | } |
1874 | ||
1875 | return printed + fprintf(fp, "\n"); | |
1876 | } | |
1877 | ||
1878 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1879 | { | |
1880 | struct disasm_line *pos; | |
1881 | size_t printed = 0; | |
1882 | ||
1883 | list_for_each_entry(pos, head, node) | |
1884 | printed += disasm_line__fprintf(pos, fp); | |
1885 | ||
1886 | return printed; | |
1887 | } | |
1888 | ||
db8fd07a NK |
1889 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1890 | struct perf_evsel *evsel, bool print_lines, | |
1891 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1892 | { |
1893 | struct dso *dso = map->dso; | |
f1e2701d | 1894 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1895 | u64 len; |
1896 | ||
786c1b51 | 1897 | if (symbol__disassemble(sym, map, perf_evsel__env_arch(evsel), 0) < 0) |
f1e2701d ACM |
1898 | return -1; |
1899 | ||
1b2e2df4 | 1900 | len = symbol__size(sym); |
f1e2701d ACM |
1901 | |
1902 | if (print_lines) { | |
4a4c03c1 | 1903 | srcline_full_filename = full_paths; |
86c98cab NK |
1904 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1905 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1906 | } |
1907 | ||
db8fd07a | 1908 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1909 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1910 | if (print_lines) |
1911 | symbol__free_source_line(sym, len); | |
1912 | ||
29ed6e76 | 1913 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1914 | |
78f7defe ACM |
1915 | return 0; |
1916 | } | |
f626adff | 1917 | |
48c65bda NK |
1918 | bool ui__has_annotation(void) |
1919 | { | |
2e0453af | 1920 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 1921 | } |