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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 | ||
a43783ae | 10 | #include <errno.h> |
fd20e811 | 11 | #include <inttypes.h> |
78f7defe | 12 | #include "util.h" |
48c65bda NK |
13 | #include "ui/ui.h" |
14 | #include "sort.h" | |
78f7defe ACM |
15 | #include "build-id.h" |
16 | #include "color.h" | |
17 | #include "cache.h" | |
18 | #include "symbol.h" | |
19 | #include "debug.h" | |
20 | #include "annotate.h" | |
db8fd07a | 21 | #include "evsel.h" |
70fbe057 | 22 | #include "block-range.h" |
a067558e | 23 | #include "string2.h" |
786c1b51 | 24 | #include "arch/common.h" |
e592488c | 25 | #include <regex.h> |
ce6f4fab | 26 | #include <pthread.h> |
4383db88 | 27 | #include <linux/bitops.h> |
877a7a11 | 28 | #include <linux/kernel.h> |
786c1b51 | 29 | #include <sys/utsname.h> |
78f7defe | 30 | |
3d689ed6 ACM |
31 | #include "sane_ctype.h" |
32 | ||
f69b64f7 | 33 | const char *disassembler_style; |
7a4ec938 | 34 | const char *objdump_path; |
e592488c | 35 | static regex_t file_lineno; |
f69b64f7 | 36 | |
75b49202 | 37 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 38 | static void ins__sort(struct arch *arch); |
75b49202 | 39 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 40 | |
786c1b51 ACM |
41 | struct arch { |
42 | const char *name; | |
763d8960 ACM |
43 | struct ins *instructions; |
44 | size_t nr_instructions; | |
2a1ff812 ACM |
45 | size_t nr_instructions_allocated; |
46 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 47 | bool sorted_instructions; |
0781ea92 ACM |
48 | bool initialized; |
49 | void *priv; | |
69fb09f6 JY |
50 | unsigned int model; |
51 | unsigned int family; | |
696e2457 | 52 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
53 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
54 | const char *ins2); | |
786c1b51 ACM |
55 | struct { |
56 | char comment_char; | |
9c2fb451 | 57 | char skip_functions_char; |
786c1b51 ACM |
58 | } objdump; |
59 | }; | |
60 | ||
763d8960 ACM |
61 | static struct ins_ops call_ops; |
62 | static struct ins_ops dec_ops; | |
63 | static struct ins_ops jump_ops; | |
64 | static struct ins_ops mov_ops; | |
65 | static struct ins_ops nop_ops; | |
66 | static struct ins_ops lock_ops; | |
67 | static struct ins_ops ret_ops; | |
68 | ||
2a1ff812 ACM |
69 | static int arch__grow_instructions(struct arch *arch) |
70 | { | |
71 | struct ins *new_instructions; | |
72 | size_t new_nr_allocated; | |
73 | ||
74 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
75 | goto grow_from_non_allocated_table; | |
76 | ||
77 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
78 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
79 | if (new_instructions == NULL) | |
80 | return -1; | |
81 | ||
82 | out_update_instructions: | |
83 | arch->instructions = new_instructions; | |
84 | arch->nr_instructions_allocated = new_nr_allocated; | |
85 | return 0; | |
86 | ||
87 | grow_from_non_allocated_table: | |
88 | new_nr_allocated = arch->nr_instructions + 128; | |
89 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
90 | if (new_instructions == NULL) | |
91 | return -1; | |
92 | ||
93 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
94 | goto out_update_instructions; | |
95 | } | |
96 | ||
acc9bfb5 | 97 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
98 | { |
99 | struct ins *ins; | |
100 | ||
101 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
102 | arch__grow_instructions(arch)) | |
103 | return -1; | |
104 | ||
105 | ins = &arch->instructions[arch->nr_instructions]; | |
106 | ins->name = strdup(name); | |
107 | if (!ins->name) | |
108 | return -1; | |
109 | ||
110 | ins->ops = ops; | |
111 | arch->nr_instructions++; | |
112 | ||
113 | ins__sort(arch); | |
114 | return 0; | |
115 | } | |
116 | ||
763d8960 | 117 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 118 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 119 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 120 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 121 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 122 | |
786c1b51 ACM |
123 | static struct arch architectures[] = { |
124 | { | |
125 | .name = "arm", | |
acc9bfb5 | 126 | .init = arm__annotate_init, |
786c1b51 | 127 | }, |
0fcb1da4 KP |
128 | { |
129 | .name = "arm64", | |
130 | .init = arm64__annotate_init, | |
131 | }, | |
786c1b51 ACM |
132 | { |
133 | .name = "x86", | |
696e2457 | 134 | .init = x86__annotate_init, |
763d8960 ACM |
135 | .instructions = x86__instructions, |
136 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 137 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
138 | .objdump = { |
139 | .comment_char = '#', | |
140 | }, | |
141 | }, | |
dbdebdc5 RB |
142 | { |
143 | .name = "powerpc", | |
144 | .init = powerpc__annotate_init, | |
145 | }, | |
e77852b3 CB |
146 | { |
147 | .name = "s390", | |
d9f8dfa9 | 148 | .init = s390__annotate_init, |
e77852b3 CB |
149 | .objdump = { |
150 | .comment_char = '#', | |
151 | }, | |
152 | }, | |
786c1b51 ACM |
153 | }; |
154 | ||
c46219ac ACM |
155 | static void ins__delete(struct ins_operands *ops) |
156 | { | |
3995614d ACM |
157 | if (ops == NULL) |
158 | return; | |
74cf249d ACM |
159 | zfree(&ops->source.raw); |
160 | zfree(&ops->source.name); | |
161 | zfree(&ops->target.raw); | |
162 | zfree(&ops->target.name); | |
c46219ac ACM |
163 | } |
164 | ||
5417072b ACM |
165 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
166 | struct ins_operands *ops) | |
167 | { | |
168 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
169 | } | |
170 | ||
171 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
172 | struct ins_operands *ops) | |
173 | { | |
174 | if (ins->ops->scnprintf) | |
175 | return ins->ops->scnprintf(ins, bf, size, ops); | |
176 | ||
177 | return ins__raw_scnprintf(ins, bf, size, ops); | |
178 | } | |
179 | ||
69fb09f6 JY |
180 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
181 | { | |
182 | if (!arch || !arch->ins_is_fused) | |
183 | return false; | |
184 | ||
185 | return arch->ins_is_fused(arch, ins1, ins2); | |
186 | } | |
187 | ||
9c2fb451 | 188 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 189 | { |
d2232885 ACM |
190 | char *endptr, *tok, *name; |
191 | ||
44d1a3ed | 192 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
193 | |
194 | name = strchr(endptr, '<'); | |
195 | if (name == NULL) | |
196 | goto indirect_call; | |
197 | ||
198 | name++; | |
199 | ||
9c2fb451 ACM |
200 | if (arch->objdump.skip_functions_char && |
201 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 202 | return -1; |
cfef25b8 | 203 | |
d2232885 ACM |
204 | tok = strchr(name, '>'); |
205 | if (tok == NULL) | |
206 | return -1; | |
207 | ||
208 | *tok = '\0'; | |
44d1a3ed | 209 | ops->target.name = strdup(name); |
d2232885 ACM |
210 | *tok = '>'; |
211 | ||
44d1a3ed | 212 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
213 | |
214 | indirect_call: | |
88a7fcf9 RB |
215 | tok = strchr(endptr, '*'); |
216 | if (tok == NULL) { | |
5f62d4fd ACM |
217 | struct symbol *sym = map__find_symbol(map, map->map_ip(map, ops->target.addr)); |
218 | if (sym != NULL) | |
219 | ops->target.name = strdup(sym->name); | |
220 | else | |
221 | ops->target.addr = 0; | |
e8ea1561 ACM |
222 | return 0; |
223 | } | |
224 | ||
44d1a3ed | 225 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
226 | return 0; |
227 | } | |
228 | ||
d2232885 | 229 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 230 | struct ins_operands *ops) |
d2232885 | 231 | { |
44d1a3ed ACM |
232 | if (ops->target.name) |
233 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 234 | |
e8ea1561 ACM |
235 | if (ops->target.addr == 0) |
236 | return ins__raw_scnprintf(ins, bf, size, ops); | |
237 | ||
44d1a3ed | 238 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
239 | } |
240 | ||
d86b0597 | 241 | static struct ins_ops call_ops = { |
d2232885 ACM |
242 | .parse = call__parse, |
243 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
244 | }; |
245 | ||
246 | bool ins__is_call(const struct ins *ins) | |
247 | { | |
248 | return ins->ops == &call_ops; | |
249 | } | |
250 | ||
786c1b51 | 251 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 252 | { |
c7e6ead7 | 253 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 254 | const char *c = strchr(ops->raw, ','); |
4f9d0325 | 255 | |
b13bbeee KP |
256 | /* |
257 | * skip over possible up to 2 operands to get to address, e.g.: | |
258 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
259 | */ | |
260 | if (c++ != NULL) { | |
3ee2eb6d | 261 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
262 | if (!ops->target.addr) { |
263 | c = strchr(c, ','); | |
264 | if (c++ != NULL) | |
265 | ops->target.addr = strtoull(c, NULL, 16); | |
266 | } | |
267 | } else { | |
3ee2eb6d | 268 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 269 | } |
fb29fa58 | 270 | |
e216874c | 271 | if (s++ != NULL) { |
bbb7f846 | 272 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
273 | ops->target.offset_avail = true; |
274 | } else { | |
275 | ops->target.offset_avail = false; | |
276 | } | |
4f9d0325 | 277 | |
4f9d0325 ACM |
278 | return 0; |
279 | } | |
280 | ||
c7e6ead7 | 281 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 282 | struct ins_operands *ops) |
28548d78 | 283 | { |
b13bbeee KP |
284 | const char *c = strchr(ops->raw, ','); |
285 | ||
e216874c | 286 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
287 | return ins__raw_scnprintf(ins, bf, size, ops); |
288 | ||
b13bbeee KP |
289 | if (c != NULL) { |
290 | const char *c2 = strchr(c + 1, ','); | |
291 | ||
292 | /* check for 3-op insn */ | |
293 | if (c2 != NULL) | |
294 | c = c2; | |
295 | c++; | |
296 | ||
297 | /* mirror arch objdump's space-after-comma style */ | |
298 | if (*c == ' ') | |
299 | c++; | |
300 | } | |
301 | ||
302 | return scnprintf(bf, size, "%-6.6s %.*s%" PRIx64, | |
303 | ins->name, c ? c - ops->raw : 0, ops->raw, | |
304 | ops->target.offset); | |
28548d78 ACM |
305 | } |
306 | ||
4f9d0325 | 307 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
308 | .parse = jump__parse, |
309 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
310 | }; |
311 | ||
312 | bool ins__is_jump(const struct ins *ins) | |
313 | { | |
314 | return ins->ops == &jump_ops; | |
315 | } | |
316 | ||
6de783b6 ACM |
317 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
318 | { | |
319 | char *endptr, *name, *t; | |
320 | ||
321 | if (strstr(raw, "(%rip)") == NULL) | |
322 | return 0; | |
323 | ||
324 | *addrp = strtoull(comment, &endptr, 16); | |
325 | name = strchr(endptr, '<'); | |
326 | if (name == NULL) | |
327 | return -1; | |
328 | ||
329 | name++; | |
330 | ||
331 | t = strchr(name, '>'); | |
332 | if (t == NULL) | |
333 | return 0; | |
334 | ||
335 | *t = '\0'; | |
336 | *namep = strdup(name); | |
337 | *t = '>'; | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
786c1b51 | 342 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 343 | { |
7a997fe4 ACM |
344 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
345 | if (ops->locked.ops == NULL) | |
346 | return 0; | |
347 | ||
75b49202 | 348 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
349 | goto out_free_ops; |
350 | ||
75b49202 | 351 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 352 | |
75b49202 | 353 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 354 | goto out_free_ops; |
7a997fe4 | 355 | |
75b49202 ACM |
356 | if (ops->locked.ins.ops->parse && |
357 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 358 | goto out_free_ops; |
7a997fe4 ACM |
359 | |
360 | return 0; | |
361 | ||
362 | out_free_ops: | |
04662523 | 363 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
364 | return 0; |
365 | } | |
366 | ||
367 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
368 | struct ins_operands *ops) | |
369 | { | |
370 | int printed; | |
371 | ||
75b49202 | 372 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
373 | return ins__raw_scnprintf(ins, bf, size, ops); |
374 | ||
375 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
75b49202 | 376 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
377 | size - printed, ops->locked.ops); |
378 | } | |
379 | ||
c46219ac ACM |
380 | static void lock__delete(struct ins_operands *ops) |
381 | { | |
75b49202 | 382 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 383 | |
75b49202 | 384 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
385 | ins->ops->free(ops->locked.ops); |
386 | else | |
387 | ins__delete(ops->locked.ops); | |
388 | ||
74cf249d ACM |
389 | zfree(&ops->locked.ops); |
390 | zfree(&ops->target.raw); | |
391 | zfree(&ops->target.name); | |
c46219ac ACM |
392 | } |
393 | ||
7a997fe4 | 394 | static struct ins_ops lock_ops = { |
c46219ac | 395 | .free = lock__delete, |
7a997fe4 ACM |
396 | .parse = lock__parse, |
397 | .scnprintf = lock__scnprintf, | |
398 | }; | |
399 | ||
786c1b51 | 400 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
401 | { |
402 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
403 | ||
404 | if (s == NULL) | |
405 | return -1; | |
406 | ||
407 | *s = '\0'; | |
408 | ops->source.raw = strdup(ops->raw); | |
409 | *s = ','; | |
48000a1a | 410 | |
6de783b6 ACM |
411 | if (ops->source.raw == NULL) |
412 | return -1; | |
413 | ||
414 | target = ++s; | |
786c1b51 | 415 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
416 | |
417 | if (comment != NULL) | |
418 | s = comment - 1; | |
419 | else | |
420 | s = strchr(s, '\0') - 1; | |
6de783b6 | 421 | |
1e2bb043 AC |
422 | while (s > target && isspace(s[0])) |
423 | --s; | |
424 | s++; | |
6de783b6 ACM |
425 | prev = *s; |
426 | *s = '\0'; | |
427 | ||
428 | ops->target.raw = strdup(target); | |
429 | *s = prev; | |
430 | ||
431 | if (ops->target.raw == NULL) | |
432 | goto out_free_source; | |
433 | ||
6de783b6 ACM |
434 | if (comment == NULL) |
435 | return 0; | |
436 | ||
4597cf06 | 437 | comment = ltrim(comment); |
6de783b6 ACM |
438 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); |
439 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
440 | ||
441 | return 0; | |
442 | ||
443 | out_free_source: | |
04662523 | 444 | zfree(&ops->source.raw); |
6de783b6 ACM |
445 | return -1; |
446 | } | |
447 | ||
448 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
449 | struct ins_operands *ops) | |
450 | { | |
451 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
452 | ops->source.name ?: ops->source.raw, | |
453 | ops->target.name ?: ops->target.raw); | |
454 | } | |
455 | ||
456 | static struct ins_ops mov_ops = { | |
457 | .parse = mov__parse, | |
458 | .scnprintf = mov__scnprintf, | |
459 | }; | |
460 | ||
786c1b51 | 461 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
462 | { |
463 | char *target, *comment, *s, prev; | |
464 | ||
465 | target = s = ops->raw; | |
466 | ||
467 | while (s[0] != '\0' && !isspace(s[0])) | |
468 | ++s; | |
469 | prev = *s; | |
470 | *s = '\0'; | |
471 | ||
472 | ops->target.raw = strdup(target); | |
473 | *s = prev; | |
474 | ||
475 | if (ops->target.raw == NULL) | |
476 | return -1; | |
477 | ||
859afa6c | 478 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
479 | if (comment == NULL) |
480 | return 0; | |
481 | ||
4597cf06 | 482 | comment = ltrim(comment); |
a43712c4 ACM |
483 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
488 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
489 | struct ins_operands *ops) | |
490 | { | |
491 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
492 | ops->target.name ?: ops->target.raw); | |
493 | } | |
494 | ||
495 | static struct ins_ops dec_ops = { | |
496 | .parse = dec__parse, | |
497 | .scnprintf = dec__scnprintf, | |
498 | }; | |
499 | ||
1d037ca1 IT |
500 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
501 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
502 | { |
503 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
504 | } | |
505 | ||
506 | static struct ins_ops nop_ops = { | |
507 | .scnprintf = nop__scnprintf, | |
508 | }; | |
509 | ||
6ef94929 NR |
510 | static struct ins_ops ret_ops = { |
511 | .scnprintf = ins__raw_scnprintf, | |
512 | }; | |
513 | ||
514 | bool ins__is_ret(const struct ins *ins) | |
515 | { | |
516 | return ins->ops == &ret_ops; | |
517 | } | |
518 | ||
7e63a13a JY |
519 | bool ins__is_lock(const struct ins *ins) |
520 | { | |
521 | return ins->ops == &lock_ops; | |
522 | } | |
523 | ||
7e4c1498 | 524 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
525 | { |
526 | const struct ins *ins = insp; | |
527 | ||
528 | return strcmp(name, ins->name); | |
529 | } | |
530 | ||
7e4c1498 CR |
531 | static int ins__cmp(const void *a, const void *b) |
532 | { | |
533 | const struct ins *ia = a; | |
534 | const struct ins *ib = b; | |
535 | ||
536 | return strcmp(ia->name, ib->name); | |
537 | } | |
538 | ||
763d8960 | 539 | static void ins__sort(struct arch *arch) |
7e4c1498 | 540 | { |
763d8960 | 541 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 542 | |
763d8960 | 543 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
544 | } |
545 | ||
2a1ff812 | 546 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 547 | { |
75b49202 | 548 | struct ins *ins; |
763d8960 | 549 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 550 | |
763d8960 ACM |
551 | if (!arch->sorted_instructions) { |
552 | ins__sort(arch); | |
553 | arch->sorted_instructions = true; | |
7e4c1498 | 554 | } |
4f9d0325 | 555 | |
75b49202 ACM |
556 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
557 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
558 | } |
559 | ||
2a1ff812 ACM |
560 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
561 | { | |
562 | struct ins_ops *ops = __ins__find(arch, name); | |
563 | ||
564 | if (!ops && arch->associate_instruction_ops) | |
565 | ops = arch->associate_instruction_ops(arch, name); | |
566 | ||
567 | return ops; | |
568 | } | |
569 | ||
786c1b51 ACM |
570 | static int arch__key_cmp(const void *name, const void *archp) |
571 | { | |
572 | const struct arch *arch = archp; | |
573 | ||
574 | return strcmp(name, arch->name); | |
575 | } | |
576 | ||
577 | static int arch__cmp(const void *a, const void *b) | |
578 | { | |
579 | const struct arch *aa = a; | |
580 | const struct arch *ab = b; | |
581 | ||
582 | return strcmp(aa->name, ab->name); | |
583 | } | |
584 | ||
585 | static void arch__sort(void) | |
586 | { | |
587 | const int nmemb = ARRAY_SIZE(architectures); | |
588 | ||
589 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
590 | } | |
591 | ||
592 | static struct arch *arch__find(const char *name) | |
593 | { | |
594 | const int nmemb = ARRAY_SIZE(architectures); | |
595 | static bool sorted; | |
596 | ||
597 | if (!sorted) { | |
598 | arch__sort(); | |
599 | sorted = true; | |
600 | } | |
601 | ||
602 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
603 | } | |
604 | ||
d04b35f8 | 605 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
606 | { |
607 | struct annotation *notes = symbol__annotation(sym); | |
331c7cb3 | 608 | size_t size = symbol__size(sym); |
8696329b CS |
609 | size_t sizeof_sym_hist; |
610 | ||
331c7cb3 RB |
611 | /* |
612 | * Add buffer of one element for zero length symbol. | |
613 | * When sample is taken from first instruction of | |
614 | * zero length symbol, perf still resolves it and | |
615 | * shows symbol name in perf report and allows to | |
616 | * annotate it. | |
617 | */ | |
618 | if (size == 0) | |
619 | size = 1; | |
620 | ||
8696329b | 621 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 622 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
623 | return -1; |
624 | ||
896bccd3 | 625 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
626 | |
627 | /* Check for overflow in zalloc argument */ | |
628 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
629 | / symbol_conf.nr_events) | |
630 | return -1; | |
ce6f4fab | 631 | |
d04b35f8 | 632 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
633 | if (notes->src == NULL) |
634 | return -1; | |
635 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 636 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
637 | INIT_LIST_HEAD(¬es->src->source); |
638 | return 0; | |
78f7defe ACM |
639 | } |
640 | ||
d4957633 AK |
641 | /* The cycles histogram is lazily allocated. */ |
642 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
643 | { | |
644 | struct annotation *notes = symbol__annotation(sym); | |
645 | const size_t size = symbol__size(sym); | |
646 | ||
647 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
648 | if (notes->src->cycles_hist == NULL) | |
649 | return -1; | |
650 | return 0; | |
651 | } | |
652 | ||
36532461 ACM |
653 | void symbol__annotate_zero_histograms(struct symbol *sym) |
654 | { | |
655 | struct annotation *notes = symbol__annotation(sym); | |
656 | ||
ce6f4fab | 657 | pthread_mutex_lock(¬es->lock); |
d4957633 | 658 | if (notes->src != NULL) { |
ce6f4fab ACM |
659 | memset(notes->src->histograms, 0, |
660 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
661 | if (notes->src->cycles_hist) |
662 | memset(notes->src->cycles_hist, 0, | |
663 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
664 | } | |
ce6f4fab | 665 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
666 | } |
667 | ||
d4957633 AK |
668 | static int __symbol__account_cycles(struct annotation *notes, |
669 | u64 start, | |
670 | unsigned offset, unsigned cycles, | |
671 | unsigned have_start) | |
672 | { | |
673 | struct cyc_hist *ch; | |
674 | ||
675 | ch = notes->src->cycles_hist; | |
676 | /* | |
677 | * For now we can only account one basic block per | |
678 | * final jump. But multiple could be overlapping. | |
679 | * Always account the longest one. So when | |
680 | * a shorter one has been already seen throw it away. | |
681 | * | |
682 | * We separately always account the full cycles. | |
683 | */ | |
684 | ch[offset].num_aggr++; | |
685 | ch[offset].cycles_aggr += cycles; | |
686 | ||
687 | if (!have_start && ch[offset].have_start) | |
688 | return 0; | |
689 | if (ch[offset].num) { | |
690 | if (have_start && (!ch[offset].have_start || | |
691 | ch[offset].start > start)) { | |
692 | ch[offset].have_start = 0; | |
693 | ch[offset].cycles = 0; | |
694 | ch[offset].num = 0; | |
695 | if (ch[offset].reset < 0xffff) | |
696 | ch[offset].reset++; | |
697 | } else if (have_start && | |
698 | ch[offset].start < start) | |
699 | return 0; | |
700 | } | |
701 | ch[offset].have_start = have_start; | |
702 | ch[offset].start = start; | |
703 | ch[offset].cycles += cycles; | |
704 | ch[offset].num++; | |
705 | return 0; | |
706 | } | |
707 | ||
b66d8c0c | 708 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a | 709 | struct annotation *notes, int evidx, u64 addr, |
461c17f0 | 710 | struct perf_sample *sample) |
78f7defe | 711 | { |
2f525d01 | 712 | unsigned offset; |
78f7defe ACM |
713 | struct sym_hist *h; |
714 | ||
78f7defe ACM |
715 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
716 | ||
edee44be RB |
717 | if ((addr < sym->start || addr >= sym->end) && |
718 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
719 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
720 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 721 | return -ERANGE; |
e3d006ce | 722 | } |
78f7defe | 723 | |
2f525d01 ACM |
724 | offset = addr - sym->start; |
725 | h = annotation__histogram(notes, evidx); | |
8158683d | 726 | h->nr_samples++; |
896bccd3 | 727 | h->addr[offset].nr_samples++; |
461c17f0 TS |
728 | h->period += sample->period; |
729 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
730 | |
731 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
732 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
733 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
734 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
735 | return 0; |
736 | } | |
737 | ||
d4957633 | 738 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
739 | { |
740 | struct annotation *notes = symbol__annotation(sym); | |
741 | ||
742 | if (notes->src == NULL) { | |
743 | if (symbol__alloc_hist(sym) < 0) | |
744 | return NULL; | |
745 | } | |
d4957633 AK |
746 | if (!notes->src->cycles_hist && cycles) { |
747 | if (symbol__alloc_hist_cycles(sym) < 0) | |
748 | return NULL; | |
749 | } | |
83be34a7 AK |
750 | return notes; |
751 | } | |
752 | ||
44e83039 | 753 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a TS |
754 | int evidx, u64 addr, |
755 | struct perf_sample *sample) | |
b66d8c0c ACM |
756 | { |
757 | struct annotation *notes; | |
758 | ||
48c65bda | 759 | if (sym == NULL) |
b66d8c0c | 760 | return 0; |
d4957633 | 761 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
762 | if (notes == NULL) |
763 | return -ENOMEM; | |
bab89f6a | 764 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample); |
b66d8c0c ACM |
765 | } |
766 | ||
d4957633 AK |
767 | static int symbol__account_cycles(u64 addr, u64 start, |
768 | struct symbol *sym, unsigned cycles) | |
769 | { | |
770 | struct annotation *notes; | |
771 | unsigned offset; | |
772 | ||
773 | if (sym == NULL) | |
774 | return 0; | |
775 | notes = symbol__get_annotation(sym, true); | |
776 | if (notes == NULL) | |
777 | return -ENOMEM; | |
778 | if (addr < sym->start || addr >= sym->end) | |
779 | return -ERANGE; | |
780 | ||
781 | if (start) { | |
782 | if (start < sym->start || start >= sym->end) | |
783 | return -ERANGE; | |
784 | if (start >= addr) | |
785 | start = 0; | |
786 | } | |
787 | offset = addr - sym->start; | |
788 | return __symbol__account_cycles(notes, | |
789 | start ? start - sym->start : 0, | |
790 | offset, cycles, | |
791 | !!start); | |
792 | } | |
793 | ||
794 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
795 | struct addr_map_symbol *start, | |
796 | unsigned cycles) | |
797 | { | |
3d7245b0 | 798 | u64 saddr = 0; |
d4957633 AK |
799 | int err; |
800 | ||
801 | if (!cycles) | |
802 | return 0; | |
803 | ||
804 | /* | |
805 | * Only set start when IPC can be computed. We can only | |
806 | * compute it when the basic block is completely in a single | |
807 | * function. | |
808 | * Special case the case when the jump is elsewhere, but | |
809 | * it starts on the function start. | |
810 | */ | |
811 | if (start && | |
812 | (start->sym == ams->sym || | |
813 | (ams->sym && | |
814 | start->addr == ams->sym->start + ams->map->start))) | |
815 | saddr = start->al_addr; | |
816 | if (saddr == 0) | |
3d7245b0 | 817 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
818 | ams->addr, |
819 | start ? start->addr : 0, | |
820 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
821 | saddr); | |
822 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
823 | if (err) | |
824 | pr_debug2("account_cycles failed %d\n", err); | |
825 | return err; | |
826 | } | |
827 | ||
bab89f6a TS |
828 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
829 | int evidx) | |
0f4e7a24 | 830 | { |
bab89f6a | 831 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample); |
0f4e7a24 ACM |
832 | } |
833 | ||
bab89f6a TS |
834 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
835 | int evidx, u64 ip) | |
f626adff | 836 | { |
bab89f6a | 837 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample); |
f626adff ACM |
838 | } |
839 | ||
786c1b51 | 840 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 841 | { |
75b49202 | 842 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 843 | |
75b49202 | 844 | if (!dl->ins.ops) |
4f9d0325 ACM |
845 | return; |
846 | ||
75b49202 ACM |
847 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
848 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
849 | } |
850 | ||
75b49202 | 851 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 852 | { |
4597cf06 | 853 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
854 | |
855 | if (name[0] == '\0') | |
856 | return -1; | |
857 | ||
858 | *rawp = name + 1; | |
859 | ||
860 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
861 | ++*rawp; | |
862 | ||
863 | tmp = (*rawp)[0]; | |
864 | (*rawp)[0] = '\0'; | |
865 | *namep = strdup(name); | |
866 | ||
867 | if (*namep == NULL) | |
868 | goto out_free_name; | |
869 | ||
870 | (*rawp)[0] = tmp; | |
4597cf06 | 871 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
872 | |
873 | return 0; | |
874 | ||
875 | out_free_name: | |
75b49202 ACM |
876 | free((void *)namep); |
877 | *namep = NULL; | |
7a997fe4 ACM |
878 | return -1; |
879 | } | |
880 | ||
ea07c5aa JO |
881 | struct annotate_args { |
882 | size_t privsize; | |
24fe7b88 | 883 | struct arch *arch; |
1a04db70 | 884 | struct map *map; |
d03a686e | 885 | struct perf_evsel *evsel; |
4748834f JO |
886 | s64 offset; |
887 | char *line; | |
888 | int line_nr; | |
ea07c5aa JO |
889 | }; |
890 | ||
c835e191 JO |
891 | static void annotation_line__delete(struct annotation_line *al) |
892 | { | |
893 | void *ptr = (void *) al - al->privsize; | |
894 | ||
8b4c74dc | 895 | free_srcline(al->path); |
c835e191 JO |
896 | zfree(&al->line); |
897 | free(ptr); | |
898 | } | |
899 | ||
900 | /* | |
901 | * Allocating the annotation line data with following | |
902 | * structure: | |
903 | * | |
904 | * -------------------------------------- | |
905 | * private space | struct annotation_line | |
906 | * -------------------------------------- | |
907 | * | |
908 | * Size of the private space is stored in 'struct annotation_line'. | |
909 | * | |
910 | */ | |
911 | static struct annotation_line * | |
912 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
913 | { | |
914 | struct annotation_line *al; | |
7e304557 | 915 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 916 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
917 | int nr = 1; |
918 | ||
919 | if (perf_evsel__is_group_event(evsel)) | |
920 | nr = evsel->nr_members; | |
921 | ||
922 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
923 | |
924 | al = zalloc(size); | |
925 | if (al) { | |
926 | al = (void *) al + privsize; | |
927 | al->privsize = privsize; | |
928 | al->offset = args->offset; | |
929 | al->line = strdup(args->line); | |
930 | al->line_nr = args->line_nr; | |
7e304557 | 931 | al->samples_nr = nr; |
c835e191 JO |
932 | } |
933 | ||
934 | return al; | |
935 | } | |
936 | ||
937 | /* | |
938 | * Allocating the disasm annotation line data with | |
939 | * following structure: | |
940 | * | |
941 | * ------------------------------------------------------------ | |
942 | * privsize space | struct disasm_line | struct annotation_line | |
943 | * ------------------------------------------------------------ | |
944 | * | |
945 | * We have 'struct annotation_line' member as last member | |
946 | * of 'struct disasm_line' to have an easy access. | |
947 | * | |
948 | */ | |
4748834f | 949 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 950 | { |
c835e191 JO |
951 | struct disasm_line *dl = NULL; |
952 | struct annotation_line *al; | |
953 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 954 | |
c835e191 JO |
955 | al = annotation_line__new(args, privsize); |
956 | if (al != NULL) { | |
957 | dl = disasm_line(al); | |
d5490b96 JO |
958 | |
959 | if (dl->al.line == NULL) | |
058b4cc9 | 960 | goto out_delete; |
5145418b | 961 | |
4748834f | 962 | if (args->offset != -1) { |
d5490b96 | 963 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
964 | goto out_free_line; |
965 | ||
1a04db70 | 966 | disasm_line__init_ins(dl, args->arch, args->map); |
5145418b | 967 | } |
78f7defe ACM |
968 | } |
969 | ||
29ed6e76 | 970 | return dl; |
5145418b ACM |
971 | |
972 | out_free_line: | |
d5490b96 | 973 | zfree(&dl->al.line); |
058b4cc9 | 974 | out_delete: |
29ed6e76 | 975 | free(dl); |
058b4cc9 | 976 | return NULL; |
78f7defe ACM |
977 | } |
978 | ||
29ed6e76 | 979 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 980 | { |
75b49202 ACM |
981 | if (dl->ins.ops && dl->ins.ops->free) |
982 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
983 | else |
984 | ins__delete(&dl->ops); | |
75b49202 ACM |
985 | free((void *)dl->ins.name); |
986 | dl->ins.name = NULL; | |
c835e191 | 987 | annotation_line__delete(&dl->al); |
78f7defe ACM |
988 | } |
989 | ||
5417072b ACM |
990 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
991 | { | |
75b49202 ACM |
992 | if (raw || !dl->ins.ops) |
993 | return scnprintf(bf, size, "%-6.6s %s", dl->ins.name, dl->ops.raw); | |
5417072b | 994 | |
75b49202 | 995 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
996 | } |
997 | ||
82b9d7ff | 998 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 999 | { |
82b9d7ff | 1000 | list_add_tail(&al->node, head); |
78f7defe ACM |
1001 | } |
1002 | ||
c4c72436 JO |
1003 | struct annotation_line * |
1004 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1005 | { |
c4c72436 JO |
1006 | list_for_each_entry_continue(pos, head, node) |
1007 | if (pos->offset >= 0) | |
78f7defe ACM |
1008 | return pos; |
1009 | ||
1010 | return NULL; | |
1011 | } | |
1012 | ||
70fbe057 PZ |
1013 | static const char *annotate__address_color(struct block_range *br) |
1014 | { | |
1015 | double cov = block_range__coverage(br); | |
1016 | ||
1017 | if (cov >= 0) { | |
1018 | /* mark red for >75% coverage */ | |
1019 | if (cov > 0.75) | |
1020 | return PERF_COLOR_RED; | |
1021 | ||
1022 | /* mark dull for <1% coverage */ | |
1023 | if (cov < 0.01) | |
1024 | return PERF_COLOR_NORMAL; | |
1025 | } | |
1026 | ||
1027 | return PERF_COLOR_MAGENTA; | |
1028 | } | |
1029 | ||
1030 | static const char *annotate__asm_color(struct block_range *br) | |
1031 | { | |
1032 | double cov = block_range__coverage(br); | |
1033 | ||
1034 | if (cov >= 0) { | |
1035 | /* mark dull for <1% coverage */ | |
1036 | if (cov < 0.01) | |
1037 | return PERF_COLOR_NORMAL; | |
1038 | } | |
1039 | ||
1040 | return PERF_COLOR_BLUE; | |
1041 | } | |
1042 | ||
1043 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1044 | { | |
1045 | bool emit_comment = true; | |
1046 | ||
1047 | if (!br) | |
1048 | return; | |
1049 | ||
1050 | #if 1 | |
1051 | if (br->is_target && br->start == addr) { | |
1052 | struct block_range *branch = br; | |
1053 | double p; | |
1054 | ||
1055 | /* | |
1056 | * Find matching branch to our target. | |
1057 | */ | |
1058 | while (!branch->is_branch) | |
1059 | branch = block_range__next(branch); | |
1060 | ||
1061 | p = 100 *(double)br->entry / branch->coverage; | |
1062 | ||
1063 | if (p > 0.1) { | |
1064 | if (emit_comment) { | |
1065 | emit_comment = false; | |
1066 | printf("\t#"); | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * The percentage of coverage joined at this target in relation | |
1071 | * to the next branch. | |
1072 | */ | |
1073 | printf(" +%.2f%%", p); | |
1074 | } | |
1075 | } | |
1076 | #endif | |
1077 | if (br->is_branch && br->end == addr) { | |
1078 | double p = 100*(double)br->taken / br->coverage; | |
1079 | ||
1080 | if (p > 0.1) { | |
1081 | if (emit_comment) { | |
1082 | emit_comment = false; | |
1083 | printf("\t#"); | |
1084 | } | |
1085 | ||
1086 | /* | |
1087 | * The percentage of coverage leaving at this branch, and | |
1088 | * its prediction ratio. | |
1089 | */ | |
1090 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1091 | } | |
1092 | } | |
1093 | } | |
1094 | ||
1095 | ||
29ed6e76 | 1096 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 1097 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 1098 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
1099 | { |
1100 | static const char *prev_line; | |
1101 | static const char *prev_color; | |
1102 | ||
d5490b96 | 1103 | if (dl->al.offset != -1) { |
f681d593 | 1104 | double max_percent = 0.0; |
b1dd4432 | 1105 | int i, nr_percent = 1; |
78f7defe ACM |
1106 | const char *color; |
1107 | struct annotation *notes = symbol__annotation(sym); | |
d5490b96 | 1108 | s64 offset = dl->al.offset; |
058b4cc9 | 1109 | const u64 addr = start + offset; |
70fbe057 | 1110 | struct block_range *br; |
ce6f4fab | 1111 | |
f681d593 JO |
1112 | for (i = 0; i < dl->al.samples_nr; i++) { |
1113 | struct annotation_data *sample = &dl->al.samples[i]; | |
78f7defe | 1114 | |
f681d593 JO |
1115 | if (sample->percent > max_percent) |
1116 | max_percent = sample->percent; | |
b1dd4432 NK |
1117 | } |
1118 | ||
1119 | if (max_percent < min_pcnt) | |
36532461 ACM |
1120 | return -1; |
1121 | ||
e3087b80 | 1122 | if (max_lines && printed >= max_lines) |
36532461 | 1123 | return 1; |
d040bd36 | 1124 | |
d5e3d747 | 1125 | if (queue != NULL) { |
a17c4ca0 | 1126 | list_for_each_entry_from(queue, ¬es->src->source, al.node) { |
29ed6e76 | 1127 | if (queue == dl) |
d5e3d747 | 1128 | break; |
db8fd07a | 1129 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
1130 | 0, 0, 1, NULL); |
1131 | } | |
1132 | } | |
1133 | ||
b1dd4432 | 1134 | color = get_percent_color(max_percent); |
78f7defe ACM |
1135 | |
1136 | /* | |
1137 | * Also color the filename and line if needed, with | |
1138 | * the same color than the percentage. Don't print it | |
1139 | * twice for close colored addr with the same filename:line | |
1140 | */ | |
f681d593 JO |
1141 | if (dl->al.path) { |
1142 | if (!prev_line || strcmp(prev_line, dl->al.path) | |
78f7defe | 1143 | || color != prev_color) { |
f681d593 JO |
1144 | color_fprintf(stdout, color, " %s", dl->al.path); |
1145 | prev_line = dl->al.path; | |
78f7defe ACM |
1146 | prev_color = color; |
1147 | } | |
1148 | } | |
1149 | ||
b1dd4432 | 1150 | for (i = 0; i < nr_percent; i++) { |
f681d593 JO |
1151 | struct annotation_data *sample = &dl->al.samples[i]; |
1152 | ||
1153 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1154 | |
1155 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1156 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1157 | sample->he.period); |
1ac39372 TS |
1158 | else if (symbol_conf.show_nr_samples) |
1159 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1160 | sample->he.nr_samples); |
0c4a5bce | 1161 | else |
f681d593 | 1162 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1163 | } |
1164 | ||
78f7defe | 1165 | printf(" : "); |
70fbe057 PZ |
1166 | |
1167 | br = block_range__find(addr); | |
1168 | color_fprintf(stdout, annotate__address_color(br), " %" PRIx64 ":", addr); | |
d5490b96 | 1169 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
70fbe057 PZ |
1170 | annotate__branch_printf(br, addr); |
1171 | printf("\n"); | |
e3087b80 | 1172 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1173 | return 1; |
1174 | else { | |
ce9ee4a2 | 1175 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1176 | |
d5e3d747 ACM |
1177 | if (queue) |
1178 | return -1; | |
1179 | ||
759ff497 | 1180 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1181 | width *= evsel->nr_members; |
1182 | ||
d5490b96 | 1183 | if (!*dl->al.line) |
b1dd4432 | 1184 | printf(" %*s:\n", width, " "); |
78f7defe | 1185 | else |
d5490b96 | 1186 | printf(" %*s: %s\n", width, " ", dl->al.line); |
78f7defe | 1187 | } |
36532461 ACM |
1188 | |
1189 | return 0; | |
78f7defe ACM |
1190 | } |
1191 | ||
3aec150a NK |
1192 | /* |
1193 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1194 | * which looks like following | |
1195 | * | |
1196 | * 0000000000415500 <_init>: | |
1197 | * 415500: sub $0x8,%rsp | |
1198 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1199 | * 41550b: test %rax,%rax | |
1200 | * 41550e: je 415515 <_init+0x15> | |
1201 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1202 | * 415515: add $0x8,%rsp | |
1203 | * 415519: retq | |
1204 | * | |
1205 | * it will be parsed and saved into struct disasm_line as | |
1206 | * <offset> <name> <ops.raw> | |
1207 | * | |
1208 | * The offset will be a relative offset from the start of the symbol and -1 | |
1209 | * means that it's not a disassembly line so should be treated differently. | |
1210 | * The ops.raw part will be parsed further according to type of the instruction. | |
1211 | */ | |
1a04db70 | 1212 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1213 | struct annotate_args *args, |
e592488c | 1214 | int *line_nr) |
78f7defe | 1215 | { |
1a04db70 | 1216 | struct map *map = args->map; |
ce6f4fab | 1217 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1218 | struct disasm_line *dl; |
4597cf06 | 1219 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1220 | size_t line_len; |
1221 | s64 line_ip, offset = -1; | |
e592488c | 1222 | regmatch_t match[2]; |
78f7defe ACM |
1223 | |
1224 | if (getline(&line, &line_len, file) < 0) | |
1225 | return -1; | |
1226 | ||
1227 | if (!line) | |
1228 | return -1; | |
1229 | ||
78f7defe | 1230 | line_ip = -1; |
4597cf06 | 1231 | parsed_line = rtrim(line); |
78f7defe | 1232 | |
e592488c | 1233 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1234 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1235 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1236 | return 0; |
1237 | } | |
1238 | ||
4597cf06 | 1239 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1240 | if (*tmp) { |
1241 | /* | |
1242 | * Parse hexa addresses followed by ':' | |
1243 | */ | |
1244 | line_ip = strtoull(tmp, &tmp2, 16); | |
1245 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1246 | line_ip = -1; | |
1247 | } | |
1248 | ||
1249 | if (line_ip != -1) { | |
1250 | u64 start = map__rip_2objdump(map, sym->start), | |
1251 | end = map__rip_2objdump(map, sym->end); | |
1252 | ||
1253 | offset = line_ip - start; | |
2c241bd3 | 1254 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1255 | offset = -1; |
058b4cc9 ACM |
1256 | else |
1257 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1258 | } |
78f7defe | 1259 | |
4748834f JO |
1260 | args->offset = offset; |
1261 | args->line = parsed_line; | |
1262 | args->line_nr = *line_nr; | |
1263 | ||
1264 | dl = disasm_line__new(args); | |
058b4cc9 | 1265 | free(line); |
e592488c | 1266 | (*line_nr)++; |
058b4cc9 | 1267 | |
29ed6e76 | 1268 | if (dl == NULL) |
78f7defe | 1269 | return -1; |
058b4cc9 | 1270 | |
e216874c | 1271 | if (!disasm_line__has_offset(dl)) { |
bbb7f846 AH |
1272 | dl->ops.target.offset = dl->ops.target.addr - |
1273 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1274 | dl->ops.target.offset_avail = true; |
1275 | } | |
bbb7f846 | 1276 | |
6e427ab0 | 1277 | /* kcore has no symbols, so add the call target name */ |
75b49202 | 1278 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
1279 | struct addr_map_symbol target = { |
1280 | .map = map, | |
1281 | .addr = dl->ops.target.addr, | |
1282 | }; | |
1283 | ||
be39db9f | 1284 | if (!map_groups__find_ams(&target) && |
6e427ab0 AH |
1285 | target.sym->start == target.al_addr) |
1286 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
1287 | } |
1288 | ||
82b9d7ff | 1289 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1290 | |
1291 | return 0; | |
1292 | } | |
1293 | ||
e592488c AK |
1294 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1295 | { | |
1296 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1297 | } | |
1298 | ||
484a5e74 AH |
1299 | static void delete_last_nop(struct symbol *sym) |
1300 | { | |
1301 | struct annotation *notes = symbol__annotation(sym); | |
1302 | struct list_head *list = ¬es->src->source; | |
1303 | struct disasm_line *dl; | |
1304 | ||
1305 | while (!list_empty(list)) { | |
a17c4ca0 | 1306 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1307 | |
75b49202 ACM |
1308 | if (dl->ins.ops) { |
1309 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1310 | return; |
1311 | } else { | |
d5490b96 JO |
1312 | if (!strstr(dl->al.line, " nop ") && |
1313 | !strstr(dl->al.line, " nopl ") && | |
1314 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1315 | return; |
1316 | } | |
1317 | ||
a17c4ca0 | 1318 | list_del(&dl->al.node); |
484a5e74 AH |
1319 | disasm_line__free(dl); |
1320 | } | |
1321 | } | |
1322 | ||
ee51d851 ACM |
1323 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1324 | int errnum, char *buf, size_t buflen) | |
1325 | { | |
1326 | struct dso *dso = map->dso; | |
1327 | ||
1328 | BUG_ON(buflen == 0); | |
1329 | ||
1330 | if (errnum >= 0) { | |
1331 | str_error_r(errnum, buf, buflen); | |
1332 | return 0; | |
1333 | } | |
1334 | ||
1335 | switch (errnum) { | |
1336 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1337 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1338 | char *build_id_msg = NULL; | |
1339 | ||
1340 | if (dso->has_build_id) { | |
1341 | build_id__sprintf(dso->build_id, | |
1342 | sizeof(dso->build_id), bf + 15); | |
1343 | build_id_msg = bf; | |
1344 | } | |
1345 | scnprintf(buf, buflen, | |
1346 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1347 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1348 | "Please use:\n\n" | |
1349 | " perf buildid-cache -vu vmlinux\n\n" | |
1350 | "or:\n\n" | |
1351 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1352 | } | |
1353 | break; | |
1354 | default: | |
1355 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1356 | break; | |
1357 | } | |
1358 | ||
1359 | return 0; | |
1360 | } | |
1361 | ||
05ed3ac9 | 1362 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1363 | { |
05ed3ac9 ACM |
1364 | char linkname[PATH_MAX]; |
1365 | char *build_id_filename; | |
6ebd2547 | 1366 | char *build_id_path = NULL; |
3619ef76 | 1367 | char *pos; |
78f7defe | 1368 | |
c12944f7 ACM |
1369 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1370 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1371 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1372 | |
d2396999 | 1373 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1374 | if (build_id_filename) { |
1375 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1376 | free(build_id_filename); | |
3caee094 | 1377 | } else { |
ee51d851 ACM |
1378 | if (dso->has_build_id) |
1379 | return ENOMEM; | |
78f7defe | 1380 | goto fallback; |
3caee094 ACM |
1381 | } |
1382 | ||
6ebd2547 TS |
1383 | build_id_path = strdup(filename); |
1384 | if (!build_id_path) | |
1385 | return -1; | |
1386 | ||
3619ef76 NK |
1387 | /* |
1388 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1389 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1390 | * extract the build-id part of dirname in the new style only. | |
1391 | */ | |
1392 | pos = strrchr(build_id_path, '/'); | |
1393 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1394 | dirname(build_id_path); | |
6ebd2547 | 1395 | |
3caee094 | 1396 | if (dso__is_kcore(dso) || |
6ebd2547 | 1397 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1398 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1399 | access(filename, R_OK)) { | |
78f7defe ACM |
1400 | fallback: |
1401 | /* | |
1402 | * If we don't have build-ids or the build-id file isn't in the | |
1403 | * cache, or is just a kallsyms file, well, lets hope that this | |
1404 | * DSO is the same as when 'perf record' ran. | |
1405 | */ | |
05ed3ac9 | 1406 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1407 | } |
1408 | ||
6ebd2547 | 1409 | free(build_id_path); |
05ed3ac9 ACM |
1410 | return 0; |
1411 | } | |
1412 | ||
786c1b51 ACM |
1413 | static const char *annotate__norm_arch(const char *arch_name) |
1414 | { | |
1415 | struct utsname uts; | |
1416 | ||
1417 | if (!arch_name) { /* Assume we are annotating locally. */ | |
1418 | if (uname(&uts) < 0) | |
1419 | return NULL; | |
1420 | arch_name = uts.machine; | |
1421 | } | |
1422 | return normalize_arch((char *)arch_name); | |
1423 | } | |
1424 | ||
1a04db70 | 1425 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1426 | { |
1a04db70 | 1427 | struct map *map = args->map; |
05ed3ac9 ACM |
1428 | struct dso *dso = map->dso; |
1429 | char command[PATH_MAX * 2]; | |
1430 | FILE *file; | |
1431 | char symfs_filename[PATH_MAX]; | |
1432 | struct kcore_extract kce; | |
1433 | bool delete_extract = false; | |
1434 | int stdout_fd[2]; | |
1435 | int lineno = 0; | |
1436 | int nline; | |
1437 | pid_t pid; | |
1438 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1439 | ||
1440 | if (err) | |
1441 | return err; | |
1442 | ||
78f7defe | 1443 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1444 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1445 | map->unmap_ip(map, sym->end)); |
1446 | ||
78f7defe ACM |
1447 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1448 | dso, dso->long_name, sym, sym->name); | |
1449 | ||
afba19d9 AH |
1450 | if (dso__is_kcore(dso)) { |
1451 | kce.kcore_filename = symfs_filename; | |
1452 | kce.addr = map__rip_2objdump(map, sym->start); | |
1453 | kce.offs = sym->start; | |
2c241bd3 | 1454 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1455 | if (!kcore_extract__create(&kce)) { |
1456 | delete_extract = true; | |
1457 | strlcpy(symfs_filename, kce.extract_filename, | |
1458 | sizeof(symfs_filename)); | |
afba19d9 | 1459 | } |
2c7da8c5 | 1460 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1461 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1462 | |
3c84fd53 NK |
1463 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1464 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1465 | goto out; |
2c7da8c5 JO |
1466 | |
1467 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1468 | } |
1469 | ||
78f7defe | 1470 | snprintf(command, sizeof(command), |
7a4ec938 | 1471 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1472 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1473 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1474 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1475 | disassembler_style ? "-M " : "", |
1476 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1477 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1478 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1479 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1480 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1481 | symfs_filename, symfs_filename); |
78f7defe ACM |
1482 | |
1483 | pr_debug("Executing: %s\n", command); | |
1484 | ||
9955d0be ACM |
1485 | err = -1; |
1486 | if (pipe(stdout_fd) < 0) { | |
1487 | pr_err("Failure creating the pipe to run %s\n", command); | |
1488 | goto out_remove_tmp; | |
1489 | } | |
1490 | ||
1491 | pid = fork(); | |
1492 | if (pid < 0) { | |
1493 | pr_err("Failure forking to run %s\n", command); | |
1494 | goto out_close_stdout; | |
1495 | } | |
1496 | ||
1497 | if (pid == 0) { | |
1498 | close(stdout_fd[0]); | |
1499 | dup2(stdout_fd[1], 1); | |
1500 | close(stdout_fd[1]); | |
1501 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1502 | perror(command); | |
1503 | exit(-1); | |
1504 | } | |
1505 | ||
1506 | close(stdout_fd[1]); | |
1507 | ||
1508 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1509 | if (!file) { |
9955d0be | 1510 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1511 | /* |
1512 | * If we were using debug info should retry with | |
1513 | * original binary. | |
1514 | */ | |
2c7da8c5 | 1515 | goto out_remove_tmp; |
62ec9b3f | 1516 | } |
78f7defe | 1517 | |
62ec9b3f AK |
1518 | nline = 0; |
1519 | while (!feof(file)) { | |
ed7b339f ACM |
1520 | /* |
1521 | * The source code line number (lineno) needs to be kept in | |
1522 | * accross calls to symbol__parse_objdump_line(), so that it | |
1523 | * can associate it with the instructions till the next one. | |
1524 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1525 | */ | |
1a04db70 | 1526 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1527 | break; |
62ec9b3f AK |
1528 | nline++; |
1529 | } | |
1530 | ||
1531 | if (nline == 0) | |
1532 | pr_err("No output from %s\n", command); | |
78f7defe | 1533 | |
484a5e74 AH |
1534 | /* |
1535 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1536 | * Remove it. | |
1537 | */ | |
1538 | if (dso__is_kcore(dso)) | |
1539 | delete_last_nop(sym); | |
1540 | ||
9955d0be ACM |
1541 | fclose(file); |
1542 | err = 0; | |
2c7da8c5 | 1543 | out_remove_tmp: |
9955d0be ACM |
1544 | close(stdout_fd[0]); |
1545 | ||
2c7da8c5 JO |
1546 | if (dso__needs_decompress(dso)) |
1547 | unlink(symfs_filename); | |
3caee094 | 1548 | |
afba19d9 AH |
1549 | if (delete_extract) |
1550 | kcore_extract__delete(&kce); | |
c12944f7 | 1551 | out: |
78f7defe | 1552 | return err; |
9955d0be ACM |
1553 | |
1554 | out_close_stdout: | |
1555 | close(stdout_fd[1]); | |
1556 | goto out_remove_tmp; | |
78f7defe ACM |
1557 | } |
1558 | ||
073ae601 JO |
1559 | static void calc_percent(struct sym_hist *hist, |
1560 | struct annotation_data *sample, | |
1561 | s64 offset, s64 end) | |
1562 | { | |
1563 | unsigned int hits = 0; | |
1564 | u64 period = 0; | |
1565 | ||
1566 | while (offset < end) { | |
1567 | hits += hist->addr[offset].nr_samples; | |
1568 | period += hist->addr[offset].period; | |
1569 | ++offset; | |
1570 | } | |
1571 | ||
1572 | if (hist->nr_samples) { | |
1573 | sample->he.period = period; | |
1574 | sample->he.nr_samples = hits; | |
1575 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1576 | } | |
1577 | } | |
1578 | ||
1579 | static int annotation__calc_percent(struct annotation *notes, | |
1580 | struct perf_evsel *evsel, s64 len) | |
1581 | { | |
1582 | struct annotation_line *al, *next; | |
1583 | ||
1584 | list_for_each_entry(al, ¬es->src->source, node) { | |
1585 | s64 end; | |
1586 | int i; | |
1587 | ||
1588 | if (al->offset == -1) | |
1589 | continue; | |
1590 | ||
1591 | next = annotation_line__next(al, ¬es->src->source); | |
1592 | end = next ? next->offset : len; | |
1593 | ||
1594 | for (i = 0; i < al->samples_nr; i++) { | |
1595 | struct annotation_data *sample; | |
1596 | struct sym_hist *hist; | |
1597 | ||
1598 | hist = annotation__histogram(notes, evsel->idx + i); | |
1599 | sample = &al->samples[i]; | |
1600 | ||
1601 | calc_percent(hist, sample, al->offset, end); | |
1602 | } | |
1603 | } | |
1604 | ||
1605 | return 0; | |
1606 | } | |
1607 | ||
1608 | int symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) | |
1609 | { | |
1610 | struct annotation *notes = symbol__annotation(sym); | |
1611 | ||
1612 | return annotation__calc_percent(notes, evsel, symbol__size(sym)); | |
1613 | } | |
1614 | ||
c34df25b | 1615 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1616 | struct perf_evsel *evsel, size_t privsize, |
c34df25b JO |
1617 | struct arch **parch, char *cpuid) |
1618 | { | |
ea07c5aa JO |
1619 | struct annotate_args args = { |
1620 | .privsize = privsize, | |
1a04db70 | 1621 | .map = map, |
d03a686e | 1622 | .evsel = evsel, |
ea07c5aa | 1623 | }; |
d03a686e | 1624 | const char *arch_name = NULL; |
c34df25b JO |
1625 | struct arch *arch; |
1626 | int err; | |
1627 | ||
d03a686e JO |
1628 | if (evsel) |
1629 | arch_name = perf_evsel__env_arch(evsel); | |
1630 | ||
c34df25b JO |
1631 | arch_name = annotate__norm_arch(arch_name); |
1632 | if (!arch_name) | |
1633 | return -1; | |
1634 | ||
24fe7b88 | 1635 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1636 | if (arch == NULL) |
1637 | return -ENOTSUP; | |
1638 | ||
1639 | if (parch) | |
1640 | *parch = arch; | |
1641 | ||
1642 | if (arch->init) { | |
1643 | err = arch->init(arch, cpuid); | |
1644 | if (err) { | |
1645 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1646 | return err; | |
1647 | } | |
1648 | } | |
1649 | ||
073ae601 JO |
1650 | err = symbol__disassemble(sym, &args); |
1651 | if (err) | |
1652 | return err; | |
1653 | ||
1654 | return symbol__calc_percent(sym, evsel); | |
c34df25b JO |
1655 | } |
1656 | ||
8b4c74dc | 1657 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1658 | { |
8b4c74dc | 1659 | struct annotation_line *iter; |
78f7defe ACM |
1660 | struct rb_node **p = &root->rb_node; |
1661 | struct rb_node *parent = NULL; | |
1491c22a | 1662 | int i, ret; |
78f7defe ACM |
1663 | |
1664 | while (*p != NULL) { | |
1665 | parent = *p; | |
8b4c74dc | 1666 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1667 | |
8b4c74dc | 1668 | ret = strcmp(iter->path, al->path); |
41127965 | 1669 | if (ret == 0) { |
8b4c74dc JO |
1670 | for (i = 0; i < al->samples_nr; i++) |
1671 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1672 | return; |
1673 | } | |
1674 | ||
1675 | if (ret < 0) | |
1676 | p = &(*p)->rb_left; | |
1677 | else | |
1678 | p = &(*p)->rb_right; | |
1679 | } | |
1680 | ||
8b4c74dc JO |
1681 | for (i = 0; i < al->samples_nr; i++) |
1682 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1683 | |
8b4c74dc JO |
1684 | rb_link_node(&al->rb_node, parent, p); |
1685 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1686 | } |
1687 | ||
8b4c74dc | 1688 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1689 | { |
1690 | int i; | |
1691 | ||
8b4c74dc | 1692 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1693 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1694 | continue; |
276af92f | 1695 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1696 | } |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
8b4c74dc | 1701 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1702 | { |
8b4c74dc | 1703 | struct annotation_line *iter; |
41127965 NK |
1704 | struct rb_node **p = &root->rb_node; |
1705 | struct rb_node *parent = NULL; | |
1706 | ||
1707 | while (*p != NULL) { | |
1708 | parent = *p; | |
8b4c74dc | 1709 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1710 | |
8b4c74dc | 1711 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1712 | p = &(*p)->rb_left; |
1713 | else | |
1714 | p = &(*p)->rb_right; | |
1715 | } | |
1716 | ||
8b4c74dc JO |
1717 | rb_link_node(&al->rb_node, parent, p); |
1718 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1719 | } |
1720 | ||
41127965 NK |
1721 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1722 | { | |
8b4c74dc | 1723 | struct annotation_line *al; |
41127965 NK |
1724 | struct rb_node *node; |
1725 | ||
1726 | node = rb_first(src_root); | |
1727 | while (node) { | |
1728 | struct rb_node *next; | |
1729 | ||
8b4c74dc | 1730 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1731 | next = rb_next(node); |
1732 | rb_erase(node, src_root); | |
1733 | ||
8b4c74dc | 1734 | __resort_source_line(dest_root, al); |
41127965 NK |
1735 | node = next; |
1736 | } | |
1737 | } | |
1738 | ||
78f7defe ACM |
1739 | static void print_summary(struct rb_root *root, const char *filename) |
1740 | { | |
8b4c74dc | 1741 | struct annotation_line *al; |
78f7defe ACM |
1742 | struct rb_node *node; |
1743 | ||
1744 | printf("\nSorted summary for file %s\n", filename); | |
1745 | printf("----------------------------------------------\n\n"); | |
1746 | ||
1747 | if (RB_EMPTY_ROOT(root)) { | |
1748 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1749 | return; | |
1750 | } | |
1751 | ||
1752 | node = rb_first(root); | |
1753 | while (node) { | |
1491c22a | 1754 | double percent, percent_max = 0.0; |
78f7defe ACM |
1755 | const char *color; |
1756 | char *path; | |
1491c22a | 1757 | int i; |
78f7defe | 1758 | |
8b4c74dc JO |
1759 | al = rb_entry(node, struct annotation_line, rb_node); |
1760 | for (i = 0; i < al->samples_nr; i++) { | |
1761 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1762 | color = get_percent_color(percent); |
1763 | color_fprintf(stdout, color, " %7.2f", percent); | |
1764 | ||
1765 | if (percent > percent_max) | |
1766 | percent_max = percent; | |
1767 | } | |
1768 | ||
8b4c74dc | 1769 | path = al->path; |
1491c22a | 1770 | color = get_percent_color(percent_max); |
f048d548 | 1771 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1772 | |
78f7defe ACM |
1773 | node = rb_next(node); |
1774 | } | |
1775 | } | |
1776 | ||
db8fd07a | 1777 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1778 | { |
1779 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1780 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1781 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1782 | |
1783 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1784 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1785 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1786 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1787 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1788 | } |
1789 | ||
db8fd07a NK |
1790 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1791 | struct perf_evsel *evsel, bool full_paths, | |
1792 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1793 | { |
1794 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1795 | char *filename; |
1796 | const char *d_filename; | |
9cdbadce | 1797 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1798 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1799 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
29ed6e76 | 1800 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1801 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1802 | int printed = 2, queue_len = 0; |
36532461 | 1803 | int more = 0; |
78f7defe | 1804 | u64 len; |
ce9ee4a2 | 1805 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 1806 | int graph_dotted_len; |
78f7defe | 1807 | |
bfd14b9a DA |
1808 | filename = strdup(dso->long_name); |
1809 | if (!filename) | |
1810 | return -ENOMEM; | |
1811 | ||
78f7defe ACM |
1812 | if (full_paths) |
1813 | d_filename = filename; | |
1814 | else | |
1815 | d_filename = basename(filename); | |
1816 | ||
1b2e2df4 | 1817 | len = symbol__size(sym); |
b1dd4432 | 1818 | |
759ff497 | 1819 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1820 | width *= evsel->nr_members; |
78f7defe | 1821 | |
135cce1b | 1822 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
1823 | width, width, symbol_conf.show_total_period ? "Period" : |
1824 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 1825 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 1826 | |
53dd9b5f | 1827 | printf("%-*.*s----\n", |
9cdbadce | 1828 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1829 | |
bb963e16 | 1830 | if (verbose > 0) |
db8fd07a | 1831 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1832 | |
a17c4ca0 | 1833 | list_for_each_entry(pos, ¬es->src->source, al.node) { |
d5e3d747 ACM |
1834 | if (context && queue == NULL) { |
1835 | queue = pos; | |
1836 | queue_len = 0; | |
1837 | } | |
1838 | ||
db8fd07a | 1839 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1840 | min_pcnt, printed, max_lines, |
1841 | queue)) { | |
36532461 ACM |
1842 | case 0: |
1843 | ++printed; | |
d5e3d747 ACM |
1844 | if (context) { |
1845 | printed += queue_len; | |
1846 | queue = NULL; | |
1847 | queue_len = 0; | |
1848 | } | |
36532461 ACM |
1849 | break; |
1850 | case 1: | |
1851 | /* filtered by max_lines */ | |
1852 | ++more; | |
d040bd36 | 1853 | break; |
36532461 ACM |
1854 | case -1: |
1855 | default: | |
d5e3d747 ACM |
1856 | /* |
1857 | * Filtered by min_pcnt or non IP lines when | |
1858 | * context != 0 | |
1859 | */ | |
1860 | if (!context) | |
1861 | break; | |
1862 | if (queue_len == context) | |
a17c4ca0 | 1863 | queue = list_entry(queue->al.node.next, typeof(*queue), al.node); |
d5e3d747 ACM |
1864 | else |
1865 | ++queue_len; | |
36532461 ACM |
1866 | break; |
1867 | } | |
1868 | } | |
1869 | ||
bfd14b9a DA |
1870 | free(filename); |
1871 | ||
36532461 ACM |
1872 | return more; |
1873 | } | |
f1e2701d | 1874 | |
36532461 ACM |
1875 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1876 | { | |
1877 | struct annotation *notes = symbol__annotation(sym); | |
1878 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1879 | ||
ce6f4fab | 1880 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1881 | } |
1882 | ||
ce6f4fab | 1883 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1884 | { |
1885 | struct annotation *notes = symbol__annotation(sym); | |
1886 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1887 | int len = symbol__size(sym), offset; |
36532461 | 1888 | |
8158683d | 1889 | h->nr_samples = 0; |
8b84a568 | 1890 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 1891 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 1892 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
1893 | } |
1894 | } | |
1895 | ||
f8eb37bd | 1896 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 1897 | { |
f8eb37bd | 1898 | struct annotation_line *al, *n; |
f1e2701d | 1899 | |
f8eb37bd JO |
1900 | list_for_each_entry_safe(al, n, &as->source, node) { |
1901 | list_del(&al->node); | |
1902 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
1903 | } |
1904 | } | |
1905 | ||
5145418b ACM |
1906 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1907 | { | |
1908 | size_t printed; | |
1909 | ||
d5490b96 JO |
1910 | if (dl->al.offset == -1) |
1911 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 1912 | |
d5490b96 | 1913 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 1914 | |
c7e6ead7 | 1915 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1916 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1917 | dl->ops.raw); |
5145418b ACM |
1918 | } |
1919 | ||
1920 | return printed + fprintf(fp, "\n"); | |
1921 | } | |
1922 | ||
1923 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1924 | { | |
1925 | struct disasm_line *pos; | |
1926 | size_t printed = 0; | |
1927 | ||
a17c4ca0 | 1928 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
1929 | printed += disasm_line__fprintf(pos, fp); |
1930 | ||
1931 | return printed; | |
1932 | } | |
1933 | ||
8b4c74dc JO |
1934 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
1935 | struct rb_root *root, u64 start) | |
1936 | { | |
1937 | struct annotation_line *al; | |
1938 | struct rb_root tmp_root = RB_ROOT; | |
1939 | ||
1940 | list_for_each_entry(al, ¬es->src->source, node) { | |
1941 | double percent_max = 0.0; | |
1942 | int i; | |
1943 | ||
1944 | for (i = 0; i < al->samples_nr; i++) { | |
1945 | struct annotation_data *sample; | |
1946 | ||
1947 | sample = &al->samples[i]; | |
1948 | ||
1949 | if (sample->percent > percent_max) | |
1950 | percent_max = sample->percent; | |
1951 | } | |
1952 | ||
1953 | if (percent_max <= 0.5) | |
1954 | continue; | |
1955 | ||
1956 | al->path = get_srcline(map->dso, start + al->offset, NULL, false, true); | |
1957 | insert_source_line(&tmp_root, al); | |
1958 | } | |
1959 | ||
1960 | resort_source_line(root, &tmp_root); | |
1961 | } | |
1962 | ||
1963 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
1964 | struct rb_root *root) | |
1965 | { | |
1966 | struct annotation *notes = symbol__annotation(sym); | |
1967 | u64 start = map__rip_2objdump(map, sym->start); | |
1968 | ||
1969 | annotation__calc_lines(notes, map, root, start); | |
1970 | } | |
1971 | ||
db8fd07a NK |
1972 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1973 | struct perf_evsel *evsel, bool print_lines, | |
1974 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1975 | { |
1976 | struct dso *dso = map->dso; | |
f1e2701d | 1977 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 1978 | |
d03a686e | 1979 | if (symbol__annotate(sym, map, evsel, 0, NULL, NULL) < 0) |
f1e2701d ACM |
1980 | return -1; |
1981 | ||
f1e2701d | 1982 | if (print_lines) { |
4a4c03c1 | 1983 | srcline_full_filename = full_paths; |
8b4c74dc | 1984 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 1985 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
1986 | } |
1987 | ||
db8fd07a | 1988 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1989 | min_pcnt, max_lines, 0); |
78f7defe | 1990 | |
f8eb37bd | 1991 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 1992 | |
78f7defe ACM |
1993 | return 0; |
1994 | } | |
f626adff | 1995 | |
48c65bda NK |
1996 | bool ui__has_annotation(void) |
1997 | { | |
2e0453af | 1998 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 1999 | } |