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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> |
78f7defe | 29 | |
3d689ed6 ACM |
30 | #include "sane_ctype.h" |
31 | ||
f69b64f7 | 32 | const char *disassembler_style; |
7a4ec938 | 33 | const char *objdump_path; |
e592488c | 34 | static regex_t file_lineno; |
f69b64f7 | 35 | |
75b49202 | 36 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 37 | static void ins__sort(struct arch *arch); |
75b49202 | 38 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 39 | |
786c1b51 ACM |
40 | struct arch { |
41 | const char *name; | |
763d8960 ACM |
42 | struct ins *instructions; |
43 | size_t nr_instructions; | |
2a1ff812 ACM |
44 | size_t nr_instructions_allocated; |
45 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 46 | bool sorted_instructions; |
0781ea92 ACM |
47 | bool initialized; |
48 | void *priv; | |
69fb09f6 JY |
49 | unsigned int model; |
50 | unsigned int family; | |
696e2457 | 51 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
52 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
53 | const char *ins2); | |
786c1b51 ACM |
54 | struct { |
55 | char comment_char; | |
9c2fb451 | 56 | char skip_functions_char; |
786c1b51 ACM |
57 | } objdump; |
58 | }; | |
59 | ||
763d8960 ACM |
60 | static struct ins_ops call_ops; |
61 | static struct ins_ops dec_ops; | |
62 | static struct ins_ops jump_ops; | |
63 | static struct ins_ops mov_ops; | |
64 | static struct ins_ops nop_ops; | |
65 | static struct ins_ops lock_ops; | |
66 | static struct ins_ops ret_ops; | |
67 | ||
2a1ff812 ACM |
68 | static int arch__grow_instructions(struct arch *arch) |
69 | { | |
70 | struct ins *new_instructions; | |
71 | size_t new_nr_allocated; | |
72 | ||
73 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
74 | goto grow_from_non_allocated_table; | |
75 | ||
76 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
77 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
78 | if (new_instructions == NULL) | |
79 | return -1; | |
80 | ||
81 | out_update_instructions: | |
82 | arch->instructions = new_instructions; | |
83 | arch->nr_instructions_allocated = new_nr_allocated; | |
84 | return 0; | |
85 | ||
86 | grow_from_non_allocated_table: | |
87 | new_nr_allocated = arch->nr_instructions + 128; | |
88 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
89 | if (new_instructions == NULL) | |
90 | return -1; | |
91 | ||
92 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
93 | goto out_update_instructions; | |
94 | } | |
95 | ||
acc9bfb5 | 96 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
97 | { |
98 | struct ins *ins; | |
99 | ||
100 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
101 | arch__grow_instructions(arch)) | |
102 | return -1; | |
103 | ||
104 | ins = &arch->instructions[arch->nr_instructions]; | |
105 | ins->name = strdup(name); | |
106 | if (!ins->name) | |
107 | return -1; | |
108 | ||
109 | ins->ops = ops; | |
110 | arch->nr_instructions++; | |
111 | ||
112 | ins__sort(arch); | |
113 | return 0; | |
114 | } | |
115 | ||
763d8960 | 116 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 117 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 118 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 119 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 120 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 121 | |
786c1b51 ACM |
122 | static struct arch architectures[] = { |
123 | { | |
124 | .name = "arm", | |
acc9bfb5 | 125 | .init = arm__annotate_init, |
786c1b51 | 126 | }, |
0fcb1da4 KP |
127 | { |
128 | .name = "arm64", | |
129 | .init = arm64__annotate_init, | |
130 | }, | |
786c1b51 ACM |
131 | { |
132 | .name = "x86", | |
696e2457 | 133 | .init = x86__annotate_init, |
763d8960 ACM |
134 | .instructions = x86__instructions, |
135 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 136 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
137 | .objdump = { |
138 | .comment_char = '#', | |
139 | }, | |
140 | }, | |
dbdebdc5 RB |
141 | { |
142 | .name = "powerpc", | |
143 | .init = powerpc__annotate_init, | |
144 | }, | |
e77852b3 CB |
145 | { |
146 | .name = "s390", | |
d9f8dfa9 | 147 | .init = s390__annotate_init, |
e77852b3 CB |
148 | .objdump = { |
149 | .comment_char = '#', | |
150 | }, | |
151 | }, | |
786c1b51 ACM |
152 | }; |
153 | ||
c46219ac ACM |
154 | static void ins__delete(struct ins_operands *ops) |
155 | { | |
3995614d ACM |
156 | if (ops == NULL) |
157 | return; | |
74cf249d ACM |
158 | zfree(&ops->source.raw); |
159 | zfree(&ops->source.name); | |
160 | zfree(&ops->target.raw); | |
161 | zfree(&ops->target.name); | |
c46219ac ACM |
162 | } |
163 | ||
5417072b ACM |
164 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
165 | struct ins_operands *ops) | |
166 | { | |
648388ae | 167 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
168 | } |
169 | ||
170 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
171 | struct ins_operands *ops) | |
172 | { | |
173 | if (ins->ops->scnprintf) | |
174 | return ins->ops->scnprintf(ins, bf, size, ops); | |
175 | ||
176 | return ins__raw_scnprintf(ins, bf, size, ops); | |
177 | } | |
178 | ||
69fb09f6 JY |
179 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
180 | { | |
181 | if (!arch || !arch->ins_is_fused) | |
182 | return false; | |
183 | ||
184 | return arch->ins_is_fused(arch, ins1, ins2); | |
185 | } | |
186 | ||
9c2fb451 | 187 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 188 | { |
d2232885 | 189 | char *endptr, *tok, *name; |
696703af ACM |
190 | struct addr_map_symbol target = { |
191 | .map = map, | |
192 | }; | |
d2232885 | 193 | |
44d1a3ed | 194 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
195 | |
196 | name = strchr(endptr, '<'); | |
197 | if (name == NULL) | |
198 | goto indirect_call; | |
199 | ||
200 | name++; | |
201 | ||
9c2fb451 ACM |
202 | if (arch->objdump.skip_functions_char && |
203 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 204 | return -1; |
cfef25b8 | 205 | |
d2232885 ACM |
206 | tok = strchr(name, '>'); |
207 | if (tok == NULL) | |
208 | return -1; | |
209 | ||
210 | *tok = '\0'; | |
44d1a3ed | 211 | ops->target.name = strdup(name); |
d2232885 ACM |
212 | *tok = '>'; |
213 | ||
696703af ACM |
214 | if (ops->target.name == NULL) |
215 | return -1; | |
216 | find_target: | |
217 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 218 | |
696703af ACM |
219 | if (map_groups__find_ams(&target) == 0 && |
220 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
221 | ops->target.sym = target.sym; | |
e8ea1561 | 222 | |
d86b0597 | 223 | return 0; |
696703af ACM |
224 | |
225 | indirect_call: | |
226 | tok = strchr(endptr, '*'); | |
227 | if (tok != NULL) | |
228 | ops->target.addr = strtoull(tok + 1, NULL, 16); | |
229 | goto find_target; | |
d86b0597 ACM |
230 | } |
231 | ||
d2232885 | 232 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 233 | struct ins_operands *ops) |
d2232885 | 234 | { |
696703af ACM |
235 | if (ops->target.sym) |
236 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 237 | |
e8ea1561 ACM |
238 | if (ops->target.addr == 0) |
239 | return ins__raw_scnprintf(ins, bf, size, ops); | |
240 | ||
648388ae | 241 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
242 | } |
243 | ||
d86b0597 | 244 | static struct ins_ops call_ops = { |
d2232885 ACM |
245 | .parse = call__parse, |
246 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
247 | }; |
248 | ||
249 | bool ins__is_call(const struct ins *ins) | |
250 | { | |
0b58a77c | 251 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
252 | } |
253 | ||
786c1b51 | 254 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 255 | { |
c7e6ead7 | 256 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 257 | const char *c = strchr(ops->raw, ','); |
4f9d0325 | 258 | |
b13bbeee KP |
259 | /* |
260 | * skip over possible up to 2 operands to get to address, e.g.: | |
261 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
262 | */ | |
263 | if (c++ != NULL) { | |
3ee2eb6d | 264 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
265 | if (!ops->target.addr) { |
266 | c = strchr(c, ','); | |
267 | if (c++ != NULL) | |
268 | ops->target.addr = strtoull(c, NULL, 16); | |
269 | } | |
270 | } else { | |
3ee2eb6d | 271 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 272 | } |
fb29fa58 | 273 | |
e216874c | 274 | if (s++ != NULL) { |
bbb7f846 | 275 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
276 | ops->target.offset_avail = true; |
277 | } else { | |
278 | ops->target.offset_avail = false; | |
279 | } | |
4f9d0325 | 280 | |
4f9d0325 ACM |
281 | return 0; |
282 | } | |
283 | ||
c7e6ead7 | 284 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 285 | struct ins_operands *ops) |
28548d78 | 286 | { |
b13bbeee KP |
287 | const char *c = strchr(ops->raw, ','); |
288 | ||
e216874c | 289 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
290 | return ins__raw_scnprintf(ins, bf, size, ops); |
291 | ||
b13bbeee KP |
292 | if (c != NULL) { |
293 | const char *c2 = strchr(c + 1, ','); | |
294 | ||
295 | /* check for 3-op insn */ | |
296 | if (c2 != NULL) | |
297 | c = c2; | |
298 | c++; | |
299 | ||
300 | /* mirror arch objdump's space-after-comma style */ | |
301 | if (*c == ' ') | |
302 | c++; | |
303 | } | |
304 | ||
648388ae | 305 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
306 | ins->name, c ? c - ops->raw : 0, ops->raw, |
307 | ops->target.offset); | |
28548d78 ACM |
308 | } |
309 | ||
4f9d0325 | 310 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
311 | .parse = jump__parse, |
312 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
313 | }; |
314 | ||
315 | bool ins__is_jump(const struct ins *ins) | |
316 | { | |
317 | return ins->ops == &jump_ops; | |
318 | } | |
319 | ||
6de783b6 ACM |
320 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
321 | { | |
322 | char *endptr, *name, *t; | |
323 | ||
324 | if (strstr(raw, "(%rip)") == NULL) | |
325 | return 0; | |
326 | ||
327 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
328 | if (endptr == comment) |
329 | return 0; | |
6de783b6 ACM |
330 | name = strchr(endptr, '<'); |
331 | if (name == NULL) | |
332 | return -1; | |
333 | ||
334 | name++; | |
335 | ||
336 | t = strchr(name, '>'); | |
337 | if (t == NULL) | |
338 | return 0; | |
339 | ||
340 | *t = '\0'; | |
341 | *namep = strdup(name); | |
342 | *t = '>'; | |
343 | ||
344 | return 0; | |
345 | } | |
346 | ||
786c1b51 | 347 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 348 | { |
7a997fe4 ACM |
349 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
350 | if (ops->locked.ops == NULL) | |
351 | return 0; | |
352 | ||
75b49202 | 353 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
354 | goto out_free_ops; |
355 | ||
75b49202 | 356 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 357 | |
75b49202 | 358 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 359 | goto out_free_ops; |
7a997fe4 | 360 | |
75b49202 ACM |
361 | if (ops->locked.ins.ops->parse && |
362 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 363 | goto out_free_ops; |
7a997fe4 ACM |
364 | |
365 | return 0; | |
366 | ||
367 | out_free_ops: | |
04662523 | 368 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
369 | return 0; |
370 | } | |
371 | ||
372 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
373 | struct ins_operands *ops) | |
374 | { | |
375 | int printed; | |
376 | ||
75b49202 | 377 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
378 | return ins__raw_scnprintf(ins, bf, size, ops); |
379 | ||
648388ae | 380 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 381 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
382 | size - printed, ops->locked.ops); |
383 | } | |
384 | ||
c46219ac ACM |
385 | static void lock__delete(struct ins_operands *ops) |
386 | { | |
75b49202 | 387 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 388 | |
75b49202 | 389 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
390 | ins->ops->free(ops->locked.ops); |
391 | else | |
392 | ins__delete(ops->locked.ops); | |
393 | ||
74cf249d ACM |
394 | zfree(&ops->locked.ops); |
395 | zfree(&ops->target.raw); | |
396 | zfree(&ops->target.name); | |
c46219ac ACM |
397 | } |
398 | ||
7a997fe4 | 399 | static struct ins_ops lock_ops = { |
c46219ac | 400 | .free = lock__delete, |
7a997fe4 ACM |
401 | .parse = lock__parse, |
402 | .scnprintf = lock__scnprintf, | |
403 | }; | |
404 | ||
786c1b51 | 405 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
406 | { |
407 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
408 | ||
409 | if (s == NULL) | |
410 | return -1; | |
411 | ||
412 | *s = '\0'; | |
413 | ops->source.raw = strdup(ops->raw); | |
414 | *s = ','; | |
48000a1a | 415 | |
6de783b6 ACM |
416 | if (ops->source.raw == NULL) |
417 | return -1; | |
418 | ||
419 | target = ++s; | |
786c1b51 | 420 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
421 | |
422 | if (comment != NULL) | |
423 | s = comment - 1; | |
424 | else | |
425 | s = strchr(s, '\0') - 1; | |
6de783b6 | 426 | |
1e2bb043 AC |
427 | while (s > target && isspace(s[0])) |
428 | --s; | |
429 | s++; | |
6de783b6 ACM |
430 | prev = *s; |
431 | *s = '\0'; | |
432 | ||
433 | ops->target.raw = strdup(target); | |
434 | *s = prev; | |
435 | ||
436 | if (ops->target.raw == NULL) | |
437 | goto out_free_source; | |
438 | ||
6de783b6 ACM |
439 | if (comment == NULL) |
440 | return 0; | |
441 | ||
4597cf06 | 442 | comment = ltrim(comment); |
35a8a148 TR |
443 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
444 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
445 | |
446 | return 0; | |
447 | ||
448 | out_free_source: | |
04662523 | 449 | zfree(&ops->source.raw); |
6de783b6 ACM |
450 | return -1; |
451 | } | |
452 | ||
453 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
454 | struct ins_operands *ops) | |
455 | { | |
648388ae | 456 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
457 | ops->source.name ?: ops->source.raw, |
458 | ops->target.name ?: ops->target.raw); | |
459 | } | |
460 | ||
461 | static struct ins_ops mov_ops = { | |
462 | .parse = mov__parse, | |
463 | .scnprintf = mov__scnprintf, | |
464 | }; | |
465 | ||
786c1b51 | 466 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
467 | { |
468 | char *target, *comment, *s, prev; | |
469 | ||
470 | target = s = ops->raw; | |
471 | ||
472 | while (s[0] != '\0' && !isspace(s[0])) | |
473 | ++s; | |
474 | prev = *s; | |
475 | *s = '\0'; | |
476 | ||
477 | ops->target.raw = strdup(target); | |
478 | *s = prev; | |
479 | ||
480 | if (ops->target.raw == NULL) | |
481 | return -1; | |
482 | ||
859afa6c | 483 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
484 | if (comment == NULL) |
485 | return 0; | |
486 | ||
4597cf06 | 487 | comment = ltrim(comment); |
35a8a148 | 488 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
489 | |
490 | return 0; | |
491 | } | |
492 | ||
493 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
494 | struct ins_operands *ops) | |
495 | { | |
648388ae | 496 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
497 | ops->target.name ?: ops->target.raw); |
498 | } | |
499 | ||
500 | static struct ins_ops dec_ops = { | |
501 | .parse = dec__parse, | |
502 | .scnprintf = dec__scnprintf, | |
503 | }; | |
504 | ||
1d037ca1 IT |
505 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
506 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 507 | { |
648388ae | 508 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
509 | } |
510 | ||
511 | static struct ins_ops nop_ops = { | |
512 | .scnprintf = nop__scnprintf, | |
513 | }; | |
514 | ||
6ef94929 NR |
515 | static struct ins_ops ret_ops = { |
516 | .scnprintf = ins__raw_scnprintf, | |
517 | }; | |
518 | ||
519 | bool ins__is_ret(const struct ins *ins) | |
520 | { | |
521 | return ins->ops == &ret_ops; | |
522 | } | |
523 | ||
7e63a13a JY |
524 | bool ins__is_lock(const struct ins *ins) |
525 | { | |
526 | return ins->ops == &lock_ops; | |
527 | } | |
528 | ||
7e4c1498 | 529 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
530 | { |
531 | const struct ins *ins = insp; | |
532 | ||
533 | return strcmp(name, ins->name); | |
534 | } | |
535 | ||
7e4c1498 CR |
536 | static int ins__cmp(const void *a, const void *b) |
537 | { | |
538 | const struct ins *ia = a; | |
539 | const struct ins *ib = b; | |
540 | ||
541 | return strcmp(ia->name, ib->name); | |
542 | } | |
543 | ||
763d8960 | 544 | static void ins__sort(struct arch *arch) |
7e4c1498 | 545 | { |
763d8960 | 546 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 547 | |
763d8960 | 548 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
549 | } |
550 | ||
2a1ff812 | 551 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 552 | { |
75b49202 | 553 | struct ins *ins; |
763d8960 | 554 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 555 | |
763d8960 ACM |
556 | if (!arch->sorted_instructions) { |
557 | ins__sort(arch); | |
558 | arch->sorted_instructions = true; | |
7e4c1498 | 559 | } |
4f9d0325 | 560 | |
75b49202 ACM |
561 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
562 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
563 | } |
564 | ||
2a1ff812 ACM |
565 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
566 | { | |
567 | struct ins_ops *ops = __ins__find(arch, name); | |
568 | ||
569 | if (!ops && arch->associate_instruction_ops) | |
570 | ops = arch->associate_instruction_ops(arch, name); | |
571 | ||
572 | return ops; | |
573 | } | |
574 | ||
786c1b51 ACM |
575 | static int arch__key_cmp(const void *name, const void *archp) |
576 | { | |
577 | const struct arch *arch = archp; | |
578 | ||
579 | return strcmp(name, arch->name); | |
580 | } | |
581 | ||
582 | static int arch__cmp(const void *a, const void *b) | |
583 | { | |
584 | const struct arch *aa = a; | |
585 | const struct arch *ab = b; | |
586 | ||
587 | return strcmp(aa->name, ab->name); | |
588 | } | |
589 | ||
590 | static void arch__sort(void) | |
591 | { | |
592 | const int nmemb = ARRAY_SIZE(architectures); | |
593 | ||
594 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
595 | } | |
596 | ||
597 | static struct arch *arch__find(const char *name) | |
598 | { | |
599 | const int nmemb = ARRAY_SIZE(architectures); | |
600 | static bool sorted; | |
601 | ||
602 | if (!sorted) { | |
603 | arch__sort(); | |
604 | sorted = true; | |
605 | } | |
606 | ||
607 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
608 | } | |
609 | ||
d04b35f8 | 610 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
611 | { |
612 | struct annotation *notes = symbol__annotation(sym); | |
331c7cb3 | 613 | size_t size = symbol__size(sym); |
8696329b CS |
614 | size_t sizeof_sym_hist; |
615 | ||
331c7cb3 RB |
616 | /* |
617 | * Add buffer of one element for zero length symbol. | |
618 | * When sample is taken from first instruction of | |
619 | * zero length symbol, perf still resolves it and | |
620 | * shows symbol name in perf report and allows to | |
621 | * annotate it. | |
622 | */ | |
623 | if (size == 0) | |
624 | size = 1; | |
625 | ||
8696329b | 626 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 627 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
628 | return -1; |
629 | ||
896bccd3 | 630 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
631 | |
632 | /* Check for overflow in zalloc argument */ | |
633 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
634 | / symbol_conf.nr_events) | |
635 | return -1; | |
ce6f4fab | 636 | |
d04b35f8 | 637 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
638 | if (notes->src == NULL) |
639 | return -1; | |
640 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 641 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
642 | INIT_LIST_HEAD(¬es->src->source); |
643 | return 0; | |
78f7defe ACM |
644 | } |
645 | ||
d4957633 AK |
646 | /* The cycles histogram is lazily allocated. */ |
647 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
648 | { | |
649 | struct annotation *notes = symbol__annotation(sym); | |
650 | const size_t size = symbol__size(sym); | |
651 | ||
652 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
653 | if (notes->src->cycles_hist == NULL) | |
654 | return -1; | |
655 | return 0; | |
656 | } | |
657 | ||
36532461 ACM |
658 | void symbol__annotate_zero_histograms(struct symbol *sym) |
659 | { | |
660 | struct annotation *notes = symbol__annotation(sym); | |
661 | ||
ce6f4fab | 662 | pthread_mutex_lock(¬es->lock); |
d4957633 | 663 | if (notes->src != NULL) { |
ce6f4fab ACM |
664 | memset(notes->src->histograms, 0, |
665 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
666 | if (notes->src->cycles_hist) |
667 | memset(notes->src->cycles_hist, 0, | |
668 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
669 | } | |
ce6f4fab | 670 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
671 | } |
672 | ||
d4957633 AK |
673 | static int __symbol__account_cycles(struct annotation *notes, |
674 | u64 start, | |
675 | unsigned offset, unsigned cycles, | |
676 | unsigned have_start) | |
677 | { | |
678 | struct cyc_hist *ch; | |
679 | ||
680 | ch = notes->src->cycles_hist; | |
681 | /* | |
682 | * For now we can only account one basic block per | |
683 | * final jump. But multiple could be overlapping. | |
684 | * Always account the longest one. So when | |
685 | * a shorter one has been already seen throw it away. | |
686 | * | |
687 | * We separately always account the full cycles. | |
688 | */ | |
689 | ch[offset].num_aggr++; | |
690 | ch[offset].cycles_aggr += cycles; | |
691 | ||
692 | if (!have_start && ch[offset].have_start) | |
693 | return 0; | |
694 | if (ch[offset].num) { | |
695 | if (have_start && (!ch[offset].have_start || | |
696 | ch[offset].start > start)) { | |
697 | ch[offset].have_start = 0; | |
698 | ch[offset].cycles = 0; | |
699 | ch[offset].num = 0; | |
700 | if (ch[offset].reset < 0xffff) | |
701 | ch[offset].reset++; | |
702 | } else if (have_start && | |
703 | ch[offset].start < start) | |
704 | return 0; | |
705 | } | |
706 | ch[offset].have_start = have_start; | |
707 | ch[offset].start = start; | |
708 | ch[offset].cycles += cycles; | |
709 | ch[offset].num++; | |
710 | return 0; | |
711 | } | |
712 | ||
b66d8c0c | 713 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a | 714 | struct annotation *notes, int evidx, u64 addr, |
461c17f0 | 715 | struct perf_sample *sample) |
78f7defe | 716 | { |
2f525d01 | 717 | unsigned offset; |
78f7defe ACM |
718 | struct sym_hist *h; |
719 | ||
78f7defe ACM |
720 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
721 | ||
edee44be RB |
722 | if ((addr < sym->start || addr >= sym->end) && |
723 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
724 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
725 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 726 | return -ERANGE; |
e3d006ce | 727 | } |
78f7defe | 728 | |
2f525d01 ACM |
729 | offset = addr - sym->start; |
730 | h = annotation__histogram(notes, evidx); | |
8158683d | 731 | h->nr_samples++; |
896bccd3 | 732 | h->addr[offset].nr_samples++; |
461c17f0 TS |
733 | h->period += sample->period; |
734 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
735 | |
736 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
737 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
738 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
739 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
740 | return 0; |
741 | } | |
742 | ||
d4957633 | 743 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
744 | { |
745 | struct annotation *notes = symbol__annotation(sym); | |
746 | ||
747 | if (notes->src == NULL) { | |
748 | if (symbol__alloc_hist(sym) < 0) | |
749 | return NULL; | |
750 | } | |
d4957633 AK |
751 | if (!notes->src->cycles_hist && cycles) { |
752 | if (symbol__alloc_hist_cycles(sym) < 0) | |
753 | return NULL; | |
754 | } | |
83be34a7 AK |
755 | return notes; |
756 | } | |
757 | ||
44e83039 | 758 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a TS |
759 | int evidx, u64 addr, |
760 | struct perf_sample *sample) | |
b66d8c0c ACM |
761 | { |
762 | struct annotation *notes; | |
763 | ||
48c65bda | 764 | if (sym == NULL) |
b66d8c0c | 765 | return 0; |
d4957633 | 766 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
767 | if (notes == NULL) |
768 | return -ENOMEM; | |
bab89f6a | 769 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample); |
b66d8c0c ACM |
770 | } |
771 | ||
d4957633 AK |
772 | static int symbol__account_cycles(u64 addr, u64 start, |
773 | struct symbol *sym, unsigned cycles) | |
774 | { | |
775 | struct annotation *notes; | |
776 | unsigned offset; | |
777 | ||
778 | if (sym == NULL) | |
779 | return 0; | |
780 | notes = symbol__get_annotation(sym, true); | |
781 | if (notes == NULL) | |
782 | return -ENOMEM; | |
783 | if (addr < sym->start || addr >= sym->end) | |
784 | return -ERANGE; | |
785 | ||
786 | if (start) { | |
787 | if (start < sym->start || start >= sym->end) | |
788 | return -ERANGE; | |
789 | if (start >= addr) | |
790 | start = 0; | |
791 | } | |
792 | offset = addr - sym->start; | |
793 | return __symbol__account_cycles(notes, | |
794 | start ? start - sym->start : 0, | |
795 | offset, cycles, | |
796 | !!start); | |
797 | } | |
798 | ||
799 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
800 | struct addr_map_symbol *start, | |
801 | unsigned cycles) | |
802 | { | |
3d7245b0 | 803 | u64 saddr = 0; |
d4957633 AK |
804 | int err; |
805 | ||
806 | if (!cycles) | |
807 | return 0; | |
808 | ||
809 | /* | |
810 | * Only set start when IPC can be computed. We can only | |
811 | * compute it when the basic block is completely in a single | |
812 | * function. | |
813 | * Special case the case when the jump is elsewhere, but | |
814 | * it starts on the function start. | |
815 | */ | |
816 | if (start && | |
817 | (start->sym == ams->sym || | |
818 | (ams->sym && | |
819 | start->addr == ams->sym->start + ams->map->start))) | |
820 | saddr = start->al_addr; | |
821 | if (saddr == 0) | |
3d7245b0 | 822 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
823 | ams->addr, |
824 | start ? start->addr : 0, | |
825 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
826 | saddr); | |
827 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
828 | if (err) | |
829 | pr_debug2("account_cycles failed %d\n", err); | |
830 | return err; | |
831 | } | |
832 | ||
bab89f6a TS |
833 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
834 | int evidx) | |
0f4e7a24 | 835 | { |
bab89f6a | 836 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample); |
0f4e7a24 ACM |
837 | } |
838 | ||
bab89f6a TS |
839 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
840 | int evidx, u64 ip) | |
f626adff | 841 | { |
bab89f6a | 842 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample); |
f626adff ACM |
843 | } |
844 | ||
786c1b51 | 845 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 846 | { |
75b49202 | 847 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 848 | |
75b49202 | 849 | if (!dl->ins.ops) |
4f9d0325 ACM |
850 | return; |
851 | ||
75b49202 ACM |
852 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
853 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
854 | } |
855 | ||
75b49202 | 856 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 857 | { |
4597cf06 | 858 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
859 | |
860 | if (name[0] == '\0') | |
861 | return -1; | |
862 | ||
863 | *rawp = name + 1; | |
864 | ||
865 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
866 | ++*rawp; | |
867 | ||
868 | tmp = (*rawp)[0]; | |
869 | (*rawp)[0] = '\0'; | |
870 | *namep = strdup(name); | |
871 | ||
872 | if (*namep == NULL) | |
873 | goto out_free_name; | |
874 | ||
875 | (*rawp)[0] = tmp; | |
4597cf06 | 876 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
877 | |
878 | return 0; | |
879 | ||
880 | out_free_name: | |
75b49202 ACM |
881 | free((void *)namep); |
882 | *namep = NULL; | |
7a997fe4 ACM |
883 | return -1; |
884 | } | |
885 | ||
ea07c5aa JO |
886 | struct annotate_args { |
887 | size_t privsize; | |
24fe7b88 | 888 | struct arch *arch; |
1a04db70 | 889 | struct map *map; |
d03a686e | 890 | struct perf_evsel *evsel; |
4748834f JO |
891 | s64 offset; |
892 | char *line; | |
893 | int line_nr; | |
ea07c5aa JO |
894 | }; |
895 | ||
c835e191 JO |
896 | static void annotation_line__delete(struct annotation_line *al) |
897 | { | |
898 | void *ptr = (void *) al - al->privsize; | |
899 | ||
8b4c74dc | 900 | free_srcline(al->path); |
c835e191 JO |
901 | zfree(&al->line); |
902 | free(ptr); | |
903 | } | |
904 | ||
905 | /* | |
906 | * Allocating the annotation line data with following | |
907 | * structure: | |
908 | * | |
909 | * -------------------------------------- | |
910 | * private space | struct annotation_line | |
911 | * -------------------------------------- | |
912 | * | |
913 | * Size of the private space is stored in 'struct annotation_line'. | |
914 | * | |
915 | */ | |
916 | static struct annotation_line * | |
917 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
918 | { | |
919 | struct annotation_line *al; | |
7e304557 | 920 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 921 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
922 | int nr = 1; |
923 | ||
924 | if (perf_evsel__is_group_event(evsel)) | |
925 | nr = evsel->nr_members; | |
926 | ||
927 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
928 | |
929 | al = zalloc(size); | |
930 | if (al) { | |
931 | al = (void *) al + privsize; | |
932 | al->privsize = privsize; | |
933 | al->offset = args->offset; | |
934 | al->line = strdup(args->line); | |
935 | al->line_nr = args->line_nr; | |
7e304557 | 936 | al->samples_nr = nr; |
c835e191 JO |
937 | } |
938 | ||
939 | return al; | |
940 | } | |
941 | ||
942 | /* | |
943 | * Allocating the disasm annotation line data with | |
944 | * following structure: | |
945 | * | |
946 | * ------------------------------------------------------------ | |
947 | * privsize space | struct disasm_line | struct annotation_line | |
948 | * ------------------------------------------------------------ | |
949 | * | |
950 | * We have 'struct annotation_line' member as last member | |
951 | * of 'struct disasm_line' to have an easy access. | |
952 | * | |
953 | */ | |
4748834f | 954 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 955 | { |
c835e191 JO |
956 | struct disasm_line *dl = NULL; |
957 | struct annotation_line *al; | |
958 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 959 | |
c835e191 JO |
960 | al = annotation_line__new(args, privsize); |
961 | if (al != NULL) { | |
962 | dl = disasm_line(al); | |
d5490b96 JO |
963 | |
964 | if (dl->al.line == NULL) | |
058b4cc9 | 965 | goto out_delete; |
5145418b | 966 | |
4748834f | 967 | if (args->offset != -1) { |
d5490b96 | 968 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
969 | goto out_free_line; |
970 | ||
1a04db70 | 971 | disasm_line__init_ins(dl, args->arch, args->map); |
5145418b | 972 | } |
78f7defe ACM |
973 | } |
974 | ||
29ed6e76 | 975 | return dl; |
5145418b ACM |
976 | |
977 | out_free_line: | |
d5490b96 | 978 | zfree(&dl->al.line); |
058b4cc9 | 979 | out_delete: |
29ed6e76 | 980 | free(dl); |
058b4cc9 | 981 | return NULL; |
78f7defe ACM |
982 | } |
983 | ||
29ed6e76 | 984 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 985 | { |
75b49202 ACM |
986 | if (dl->ins.ops && dl->ins.ops->free) |
987 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
988 | else |
989 | ins__delete(&dl->ops); | |
75b49202 ACM |
990 | free((void *)dl->ins.name); |
991 | dl->ins.name = NULL; | |
c835e191 | 992 | annotation_line__delete(&dl->al); |
78f7defe ACM |
993 | } |
994 | ||
5417072b ACM |
995 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
996 | { | |
75b49202 | 997 | if (raw || !dl->ins.ops) |
648388ae | 998 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 999 | |
75b49202 | 1000 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1001 | } |
1002 | ||
82b9d7ff | 1003 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1004 | { |
82b9d7ff | 1005 | list_add_tail(&al->node, head); |
78f7defe ACM |
1006 | } |
1007 | ||
c4c72436 JO |
1008 | struct annotation_line * |
1009 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1010 | { |
c4c72436 JO |
1011 | list_for_each_entry_continue(pos, head, node) |
1012 | if (pos->offset >= 0) | |
78f7defe ACM |
1013 | return pos; |
1014 | ||
1015 | return NULL; | |
1016 | } | |
1017 | ||
70fbe057 PZ |
1018 | static const char *annotate__address_color(struct block_range *br) |
1019 | { | |
1020 | double cov = block_range__coverage(br); | |
1021 | ||
1022 | if (cov >= 0) { | |
1023 | /* mark red for >75% coverage */ | |
1024 | if (cov > 0.75) | |
1025 | return PERF_COLOR_RED; | |
1026 | ||
1027 | /* mark dull for <1% coverage */ | |
1028 | if (cov < 0.01) | |
1029 | return PERF_COLOR_NORMAL; | |
1030 | } | |
1031 | ||
1032 | return PERF_COLOR_MAGENTA; | |
1033 | } | |
1034 | ||
1035 | static const char *annotate__asm_color(struct block_range *br) | |
1036 | { | |
1037 | double cov = block_range__coverage(br); | |
1038 | ||
1039 | if (cov >= 0) { | |
1040 | /* mark dull for <1% coverage */ | |
1041 | if (cov < 0.01) | |
1042 | return PERF_COLOR_NORMAL; | |
1043 | } | |
1044 | ||
1045 | return PERF_COLOR_BLUE; | |
1046 | } | |
1047 | ||
1048 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1049 | { | |
1050 | bool emit_comment = true; | |
1051 | ||
1052 | if (!br) | |
1053 | return; | |
1054 | ||
1055 | #if 1 | |
1056 | if (br->is_target && br->start == addr) { | |
1057 | struct block_range *branch = br; | |
1058 | double p; | |
1059 | ||
1060 | /* | |
1061 | * Find matching branch to our target. | |
1062 | */ | |
1063 | while (!branch->is_branch) | |
1064 | branch = block_range__next(branch); | |
1065 | ||
1066 | p = 100 *(double)br->entry / branch->coverage; | |
1067 | ||
1068 | if (p > 0.1) { | |
1069 | if (emit_comment) { | |
1070 | emit_comment = false; | |
1071 | printf("\t#"); | |
1072 | } | |
1073 | ||
1074 | /* | |
1075 | * The percentage of coverage joined at this target in relation | |
1076 | * to the next branch. | |
1077 | */ | |
1078 | printf(" +%.2f%%", p); | |
1079 | } | |
1080 | } | |
1081 | #endif | |
1082 | if (br->is_branch && br->end == addr) { | |
1083 | double p = 100*(double)br->taken / br->coverage; | |
1084 | ||
1085 | if (p > 0.1) { | |
1086 | if (emit_comment) { | |
1087 | emit_comment = false; | |
1088 | printf("\t#"); | |
1089 | } | |
1090 | ||
1091 | /* | |
1092 | * The percentage of coverage leaving at this branch, and | |
1093 | * its prediction ratio. | |
1094 | */ | |
1095 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1096 | } | |
1097 | } | |
1098 | } | |
1099 | ||
f48e7c40 | 1100 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1101 | { |
29971f9a JO |
1102 | s64 offset = dl->al.offset; |
1103 | const u64 addr = start + offset; | |
1104 | struct block_range *br; | |
1105 | ||
1106 | br = block_range__find(addr); | |
f48e7c40 | 1107 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1108 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1109 | annotate__branch_printf(br, addr); | |
1110 | return 0; | |
1111 | } | |
1112 | ||
1113 | static int | |
1114 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1115 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
f48e7c40 | 1116 | int max_lines, struct annotation_line *queue, int addr_fmt_width) |
29971f9a JO |
1117 | { |
1118 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1119 | static const char *prev_line; |
1120 | static const char *prev_color; | |
1121 | ||
29971f9a | 1122 | if (al->offset != -1) { |
f681d593 | 1123 | double max_percent = 0.0; |
b1dd4432 | 1124 | int i, nr_percent = 1; |
78f7defe ACM |
1125 | const char *color; |
1126 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1127 | |
29971f9a JO |
1128 | for (i = 0; i < al->samples_nr; i++) { |
1129 | struct annotation_data *sample = &al->samples[i]; | |
78f7defe | 1130 | |
f681d593 JO |
1131 | if (sample->percent > max_percent) |
1132 | max_percent = sample->percent; | |
b1dd4432 NK |
1133 | } |
1134 | ||
1135 | if (max_percent < min_pcnt) | |
36532461 ACM |
1136 | return -1; |
1137 | ||
e3087b80 | 1138 | if (max_lines && printed >= max_lines) |
36532461 | 1139 | return 1; |
d040bd36 | 1140 | |
d5e3d747 | 1141 | if (queue != NULL) { |
29971f9a JO |
1142 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1143 | if (queue == al) | |
d5e3d747 | 1144 | break; |
29971f9a | 1145 | annotation_line__print(queue, sym, start, evsel, len, |
f48e7c40 | 1146 | 0, 0, 1, NULL, addr_fmt_width); |
d5e3d747 ACM |
1147 | } |
1148 | } | |
1149 | ||
b1dd4432 | 1150 | color = get_percent_color(max_percent); |
78f7defe ACM |
1151 | |
1152 | /* | |
1153 | * Also color the filename and line if needed, with | |
1154 | * the same color than the percentage. Don't print it | |
1155 | * twice for close colored addr with the same filename:line | |
1156 | */ | |
29971f9a JO |
1157 | if (al->path) { |
1158 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1159 | || color != prev_color) { |
29971f9a JO |
1160 | color_fprintf(stdout, color, " %s", al->path); |
1161 | prev_line = al->path; | |
78f7defe ACM |
1162 | prev_color = color; |
1163 | } | |
1164 | } | |
1165 | ||
b1dd4432 | 1166 | for (i = 0; i < nr_percent; i++) { |
29971f9a | 1167 | struct annotation_data *sample = &al->samples[i]; |
f681d593 JO |
1168 | |
1169 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1170 | |
1171 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1172 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1173 | sample->he.period); |
1ac39372 TS |
1174 | else if (symbol_conf.show_nr_samples) |
1175 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1176 | sample->he.nr_samples); |
0c4a5bce | 1177 | else |
f681d593 | 1178 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1179 | } |
1180 | ||
f48e7c40 | 1181 | printf(" : "); |
70fbe057 | 1182 | |
f48e7c40 | 1183 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1184 | printf("\n"); |
e3087b80 | 1185 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1186 | return 1; |
1187 | else { | |
ce9ee4a2 | 1188 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1189 | |
d5e3d747 ACM |
1190 | if (queue) |
1191 | return -1; | |
1192 | ||
759ff497 | 1193 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1194 | width *= evsel->nr_members; |
1195 | ||
29971f9a | 1196 | if (!*al->line) |
b1dd4432 | 1197 | printf(" %*s:\n", width, " "); |
78f7defe | 1198 | else |
f48e7c40 | 1199 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1200 | } |
36532461 ACM |
1201 | |
1202 | return 0; | |
78f7defe ACM |
1203 | } |
1204 | ||
3aec150a NK |
1205 | /* |
1206 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1207 | * which looks like following | |
1208 | * | |
1209 | * 0000000000415500 <_init>: | |
1210 | * 415500: sub $0x8,%rsp | |
1211 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1212 | * 41550b: test %rax,%rax | |
1213 | * 41550e: je 415515 <_init+0x15> | |
1214 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1215 | * 415515: add $0x8,%rsp | |
1216 | * 415519: retq | |
1217 | * | |
1218 | * it will be parsed and saved into struct disasm_line as | |
1219 | * <offset> <name> <ops.raw> | |
1220 | * | |
1221 | * The offset will be a relative offset from the start of the symbol and -1 | |
1222 | * means that it's not a disassembly line so should be treated differently. | |
1223 | * The ops.raw part will be parsed further according to type of the instruction. | |
1224 | */ | |
1a04db70 | 1225 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1226 | struct annotate_args *args, |
e592488c | 1227 | int *line_nr) |
78f7defe | 1228 | { |
1a04db70 | 1229 | struct map *map = args->map; |
ce6f4fab | 1230 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1231 | struct disasm_line *dl; |
4597cf06 | 1232 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1233 | size_t line_len; |
1234 | s64 line_ip, offset = -1; | |
e592488c | 1235 | regmatch_t match[2]; |
78f7defe ACM |
1236 | |
1237 | if (getline(&line, &line_len, file) < 0) | |
1238 | return -1; | |
1239 | ||
1240 | if (!line) | |
1241 | return -1; | |
1242 | ||
78f7defe | 1243 | line_ip = -1; |
4597cf06 | 1244 | parsed_line = rtrim(line); |
78f7defe | 1245 | |
e592488c | 1246 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1247 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1248 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1249 | return 0; |
1250 | } | |
1251 | ||
4597cf06 | 1252 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1253 | if (*tmp) { |
1254 | /* | |
1255 | * Parse hexa addresses followed by ':' | |
1256 | */ | |
1257 | line_ip = strtoull(tmp, &tmp2, 16); | |
1258 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1259 | line_ip = -1; | |
1260 | } | |
1261 | ||
1262 | if (line_ip != -1) { | |
1263 | u64 start = map__rip_2objdump(map, sym->start), | |
1264 | end = map__rip_2objdump(map, sym->end); | |
1265 | ||
1266 | offset = line_ip - start; | |
2c241bd3 | 1267 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1268 | offset = -1; |
058b4cc9 ACM |
1269 | else |
1270 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1271 | } |
78f7defe | 1272 | |
4748834f JO |
1273 | args->offset = offset; |
1274 | args->line = parsed_line; | |
1275 | args->line_nr = *line_nr; | |
1276 | ||
1277 | dl = disasm_line__new(args); | |
058b4cc9 | 1278 | free(line); |
e592488c | 1279 | (*line_nr)++; |
058b4cc9 | 1280 | |
29ed6e76 | 1281 | if (dl == NULL) |
78f7defe | 1282 | return -1; |
058b4cc9 | 1283 | |
e216874c | 1284 | if (!disasm_line__has_offset(dl)) { |
bbb7f846 AH |
1285 | dl->ops.target.offset = dl->ops.target.addr - |
1286 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1287 | dl->ops.target.offset_avail = true; |
1288 | } | |
bbb7f846 | 1289 | |
696703af ACM |
1290 | /* kcore has no symbols, so add the call target symbol */ |
1291 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1292 | struct addr_map_symbol target = { |
1293 | .map = map, | |
1294 | .addr = dl->ops.target.addr, | |
1295 | }; | |
1296 | ||
be39db9f | 1297 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1298 | target.sym->start == target.al_addr) |
696703af | 1299 | dl->ops.target.sym = target.sym; |
b178170a AH |
1300 | } |
1301 | ||
82b9d7ff | 1302 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1303 | |
1304 | return 0; | |
1305 | } | |
1306 | ||
e592488c AK |
1307 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1308 | { | |
1309 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1310 | } | |
1311 | ||
484a5e74 AH |
1312 | static void delete_last_nop(struct symbol *sym) |
1313 | { | |
1314 | struct annotation *notes = symbol__annotation(sym); | |
1315 | struct list_head *list = ¬es->src->source; | |
1316 | struct disasm_line *dl; | |
1317 | ||
1318 | while (!list_empty(list)) { | |
a17c4ca0 | 1319 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1320 | |
75b49202 ACM |
1321 | if (dl->ins.ops) { |
1322 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1323 | return; |
1324 | } else { | |
d5490b96 JO |
1325 | if (!strstr(dl->al.line, " nop ") && |
1326 | !strstr(dl->al.line, " nopl ") && | |
1327 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1328 | return; |
1329 | } | |
1330 | ||
a17c4ca0 | 1331 | list_del(&dl->al.node); |
484a5e74 AH |
1332 | disasm_line__free(dl); |
1333 | } | |
1334 | } | |
1335 | ||
ee51d851 ACM |
1336 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1337 | int errnum, char *buf, size_t buflen) | |
1338 | { | |
1339 | struct dso *dso = map->dso; | |
1340 | ||
1341 | BUG_ON(buflen == 0); | |
1342 | ||
1343 | if (errnum >= 0) { | |
1344 | str_error_r(errnum, buf, buflen); | |
1345 | return 0; | |
1346 | } | |
1347 | ||
1348 | switch (errnum) { | |
1349 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1350 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1351 | char *build_id_msg = NULL; | |
1352 | ||
1353 | if (dso->has_build_id) { | |
1354 | build_id__sprintf(dso->build_id, | |
1355 | sizeof(dso->build_id), bf + 15); | |
1356 | build_id_msg = bf; | |
1357 | } | |
1358 | scnprintf(buf, buflen, | |
1359 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1360 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1361 | "Please use:\n\n" | |
1362 | " perf buildid-cache -vu vmlinux\n\n" | |
1363 | "or:\n\n" | |
1364 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1365 | } | |
1366 | break; | |
1367 | default: | |
1368 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1369 | break; | |
1370 | } | |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
05ed3ac9 | 1375 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1376 | { |
05ed3ac9 ACM |
1377 | char linkname[PATH_MAX]; |
1378 | char *build_id_filename; | |
6ebd2547 | 1379 | char *build_id_path = NULL; |
3619ef76 | 1380 | char *pos; |
78f7defe | 1381 | |
c12944f7 ACM |
1382 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1383 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1384 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1385 | |
d2396999 | 1386 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1387 | if (build_id_filename) { |
1388 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1389 | free(build_id_filename); | |
3caee094 | 1390 | } else { |
ee51d851 ACM |
1391 | if (dso->has_build_id) |
1392 | return ENOMEM; | |
78f7defe | 1393 | goto fallback; |
3caee094 ACM |
1394 | } |
1395 | ||
6ebd2547 TS |
1396 | build_id_path = strdup(filename); |
1397 | if (!build_id_path) | |
1398 | return -1; | |
1399 | ||
3619ef76 NK |
1400 | /* |
1401 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1402 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1403 | * extract the build-id part of dirname in the new style only. | |
1404 | */ | |
1405 | pos = strrchr(build_id_path, '/'); | |
1406 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1407 | dirname(build_id_path); | |
6ebd2547 | 1408 | |
3caee094 | 1409 | if (dso__is_kcore(dso) || |
6ebd2547 | 1410 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1411 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1412 | access(filename, R_OK)) { | |
78f7defe ACM |
1413 | fallback: |
1414 | /* | |
1415 | * If we don't have build-ids or the build-id file isn't in the | |
1416 | * cache, or is just a kallsyms file, well, lets hope that this | |
1417 | * DSO is the same as when 'perf record' ran. | |
1418 | */ | |
05ed3ac9 | 1419 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1420 | } |
1421 | ||
6ebd2547 | 1422 | free(build_id_path); |
05ed3ac9 ACM |
1423 | return 0; |
1424 | } | |
1425 | ||
1a04db70 | 1426 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1427 | { |
1a04db70 | 1428 | struct map *map = args->map; |
05ed3ac9 | 1429 | struct dso *dso = map->dso; |
6810158d | 1430 | char *command; |
05ed3ac9 ACM |
1431 | FILE *file; |
1432 | char symfs_filename[PATH_MAX]; | |
1433 | struct kcore_extract kce; | |
1434 | bool delete_extract = false; | |
1435 | int stdout_fd[2]; | |
1436 | int lineno = 0; | |
1437 | int nline; | |
1438 | pid_t pid; | |
1439 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1440 | ||
1441 | if (err) | |
1442 | return err; | |
1443 | ||
78f7defe | 1444 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1445 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1446 | map->unmap_ip(map, sym->end)); |
1447 | ||
78f7defe ACM |
1448 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1449 | dso, dso->long_name, sym, sym->name); | |
1450 | ||
afba19d9 AH |
1451 | if (dso__is_kcore(dso)) { |
1452 | kce.kcore_filename = symfs_filename; | |
1453 | kce.addr = map__rip_2objdump(map, sym->start); | |
1454 | kce.offs = sym->start; | |
2c241bd3 | 1455 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1456 | if (!kcore_extract__create(&kce)) { |
1457 | delete_extract = true; | |
1458 | strlcpy(symfs_filename, kce.extract_filename, | |
1459 | sizeof(symfs_filename)); | |
afba19d9 | 1460 | } |
2c7da8c5 | 1461 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1462 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1463 | |
3c84fd53 NK |
1464 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1465 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1466 | goto out; |
2c7da8c5 JO |
1467 | |
1468 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1469 | } |
1470 | ||
6810158d | 1471 | err = asprintf(&command, |
7a4ec938 | 1472 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1473 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1474 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1475 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1476 | disassembler_style ? "-M " : "", |
1477 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1478 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1479 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1480 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1481 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1482 | symfs_filename, symfs_filename); |
78f7defe | 1483 | |
6810158d ACM |
1484 | if (err < 0) { |
1485 | pr_err("Failure allocating memory for the command to run\n"); | |
1486 | goto out_remove_tmp; | |
1487 | } | |
1488 | ||
78f7defe ACM |
1489 | pr_debug("Executing: %s\n", command); |
1490 | ||
9955d0be ACM |
1491 | err = -1; |
1492 | if (pipe(stdout_fd) < 0) { | |
1493 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1494 | goto out_free_command; |
9955d0be ACM |
1495 | } |
1496 | ||
1497 | pid = fork(); | |
1498 | if (pid < 0) { | |
1499 | pr_err("Failure forking to run %s\n", command); | |
1500 | goto out_close_stdout; | |
1501 | } | |
1502 | ||
1503 | if (pid == 0) { | |
1504 | close(stdout_fd[0]); | |
1505 | dup2(stdout_fd[1], 1); | |
1506 | close(stdout_fd[1]); | |
1507 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1508 | perror(command); | |
1509 | exit(-1); | |
1510 | } | |
1511 | ||
1512 | close(stdout_fd[1]); | |
1513 | ||
1514 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1515 | if (!file) { |
9955d0be | 1516 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1517 | /* |
1518 | * If we were using debug info should retry with | |
1519 | * original binary. | |
1520 | */ | |
6810158d | 1521 | goto out_free_command; |
62ec9b3f | 1522 | } |
78f7defe | 1523 | |
62ec9b3f AK |
1524 | nline = 0; |
1525 | while (!feof(file)) { | |
ed7b339f ACM |
1526 | /* |
1527 | * The source code line number (lineno) needs to be kept in | |
1528 | * accross calls to symbol__parse_objdump_line(), so that it | |
1529 | * can associate it with the instructions till the next one. | |
1530 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1531 | */ | |
1a04db70 | 1532 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1533 | break; |
62ec9b3f AK |
1534 | nline++; |
1535 | } | |
1536 | ||
1537 | if (nline == 0) | |
1538 | pr_err("No output from %s\n", command); | |
78f7defe | 1539 | |
484a5e74 AH |
1540 | /* |
1541 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1542 | * Remove it. | |
1543 | */ | |
1544 | if (dso__is_kcore(dso)) | |
1545 | delete_last_nop(sym); | |
1546 | ||
9955d0be ACM |
1547 | fclose(file); |
1548 | err = 0; | |
6810158d ACM |
1549 | out_free_command: |
1550 | free(command); | |
2c7da8c5 | 1551 | out_remove_tmp: |
9955d0be ACM |
1552 | close(stdout_fd[0]); |
1553 | ||
2c7da8c5 JO |
1554 | if (dso__needs_decompress(dso)) |
1555 | unlink(symfs_filename); | |
3caee094 | 1556 | |
afba19d9 AH |
1557 | if (delete_extract) |
1558 | kcore_extract__delete(&kce); | |
c12944f7 | 1559 | out: |
78f7defe | 1560 | return err; |
9955d0be ACM |
1561 | |
1562 | out_close_stdout: | |
1563 | close(stdout_fd[1]); | |
6810158d | 1564 | goto out_free_command; |
78f7defe ACM |
1565 | } |
1566 | ||
073ae601 JO |
1567 | static void calc_percent(struct sym_hist *hist, |
1568 | struct annotation_data *sample, | |
1569 | s64 offset, s64 end) | |
1570 | { | |
1571 | unsigned int hits = 0; | |
1572 | u64 period = 0; | |
1573 | ||
1574 | while (offset < end) { | |
1575 | hits += hist->addr[offset].nr_samples; | |
1576 | period += hist->addr[offset].period; | |
1577 | ++offset; | |
1578 | } | |
1579 | ||
1580 | if (hist->nr_samples) { | |
1581 | sample->he.period = period; | |
1582 | sample->he.nr_samples = hits; | |
1583 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1584 | } | |
1585 | } | |
1586 | ||
9e4e0a9d JO |
1587 | static void annotation__calc_percent(struct annotation *notes, |
1588 | struct perf_evsel *evsel, s64 len) | |
073ae601 JO |
1589 | { |
1590 | struct annotation_line *al, *next; | |
1591 | ||
1592 | list_for_each_entry(al, ¬es->src->source, node) { | |
1593 | s64 end; | |
1594 | int i; | |
1595 | ||
1596 | if (al->offset == -1) | |
1597 | continue; | |
1598 | ||
1599 | next = annotation_line__next(al, ¬es->src->source); | |
1600 | end = next ? next->offset : len; | |
1601 | ||
1602 | for (i = 0; i < al->samples_nr; i++) { | |
1603 | struct annotation_data *sample; | |
1604 | struct sym_hist *hist; | |
1605 | ||
1606 | hist = annotation__histogram(notes, evsel->idx + i); | |
1607 | sample = &al->samples[i]; | |
1608 | ||
1609 | calc_percent(hist, sample, al->offset, end); | |
1610 | } | |
1611 | } | |
073ae601 JO |
1612 | } |
1613 | ||
9e4e0a9d | 1614 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1615 | { |
1616 | struct annotation *notes = symbol__annotation(sym); | |
1617 | ||
9e4e0a9d | 1618 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1619 | } |
1620 | ||
c34df25b | 1621 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1622 | struct perf_evsel *evsel, size_t privsize, |
5449f13c | 1623 | struct arch **parch) |
c34df25b | 1624 | { |
ea07c5aa JO |
1625 | struct annotate_args args = { |
1626 | .privsize = privsize, | |
1a04db70 | 1627 | .map = map, |
d03a686e | 1628 | .evsel = evsel, |
ea07c5aa | 1629 | }; |
5449f13c | 1630 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1631 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1632 | struct arch *arch; |
1633 | int err; | |
1634 | ||
c34df25b JO |
1635 | if (!arch_name) |
1636 | return -1; | |
1637 | ||
24fe7b88 | 1638 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1639 | if (arch == NULL) |
1640 | return -ENOTSUP; | |
1641 | ||
1642 | if (parch) | |
1643 | *parch = arch; | |
1644 | ||
1645 | if (arch->init) { | |
5449f13c | 1646 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1647 | if (err) { |
1648 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1649 | return err; | |
1650 | } | |
1651 | } | |
1652 | ||
05d3f1a1 | 1653 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1654 | } |
1655 | ||
8b4c74dc | 1656 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1657 | { |
8b4c74dc | 1658 | struct annotation_line *iter; |
78f7defe ACM |
1659 | struct rb_node **p = &root->rb_node; |
1660 | struct rb_node *parent = NULL; | |
1491c22a | 1661 | int i, ret; |
78f7defe ACM |
1662 | |
1663 | while (*p != NULL) { | |
1664 | parent = *p; | |
8b4c74dc | 1665 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1666 | |
8b4c74dc | 1667 | ret = strcmp(iter->path, al->path); |
41127965 | 1668 | if (ret == 0) { |
8b4c74dc JO |
1669 | for (i = 0; i < al->samples_nr; i++) |
1670 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1671 | return; |
1672 | } | |
1673 | ||
1674 | if (ret < 0) | |
1675 | p = &(*p)->rb_left; | |
1676 | else | |
1677 | p = &(*p)->rb_right; | |
1678 | } | |
1679 | ||
8b4c74dc JO |
1680 | for (i = 0; i < al->samples_nr; i++) |
1681 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1682 | |
8b4c74dc JO |
1683 | rb_link_node(&al->rb_node, parent, p); |
1684 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1685 | } |
1686 | ||
8b4c74dc | 1687 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1688 | { |
1689 | int i; | |
1690 | ||
8b4c74dc | 1691 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1692 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1693 | continue; |
276af92f | 1694 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1695 | } |
1696 | ||
1697 | return 0; | |
1698 | } | |
1699 | ||
8b4c74dc | 1700 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1701 | { |
8b4c74dc | 1702 | struct annotation_line *iter; |
41127965 NK |
1703 | struct rb_node **p = &root->rb_node; |
1704 | struct rb_node *parent = NULL; | |
1705 | ||
1706 | while (*p != NULL) { | |
1707 | parent = *p; | |
8b4c74dc | 1708 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1709 | |
8b4c74dc | 1710 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1711 | p = &(*p)->rb_left; |
1712 | else | |
1713 | p = &(*p)->rb_right; | |
1714 | } | |
1715 | ||
8b4c74dc JO |
1716 | rb_link_node(&al->rb_node, parent, p); |
1717 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1718 | } |
1719 | ||
41127965 NK |
1720 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1721 | { | |
8b4c74dc | 1722 | struct annotation_line *al; |
41127965 NK |
1723 | struct rb_node *node; |
1724 | ||
1725 | node = rb_first(src_root); | |
1726 | while (node) { | |
1727 | struct rb_node *next; | |
1728 | ||
8b4c74dc | 1729 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1730 | next = rb_next(node); |
1731 | rb_erase(node, src_root); | |
1732 | ||
8b4c74dc | 1733 | __resort_source_line(dest_root, al); |
41127965 NK |
1734 | node = next; |
1735 | } | |
1736 | } | |
1737 | ||
78f7defe ACM |
1738 | static void print_summary(struct rb_root *root, const char *filename) |
1739 | { | |
8b4c74dc | 1740 | struct annotation_line *al; |
78f7defe ACM |
1741 | struct rb_node *node; |
1742 | ||
1743 | printf("\nSorted summary for file %s\n", filename); | |
1744 | printf("----------------------------------------------\n\n"); | |
1745 | ||
1746 | if (RB_EMPTY_ROOT(root)) { | |
1747 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1748 | return; | |
1749 | } | |
1750 | ||
1751 | node = rb_first(root); | |
1752 | while (node) { | |
1491c22a | 1753 | double percent, percent_max = 0.0; |
78f7defe ACM |
1754 | const char *color; |
1755 | char *path; | |
1491c22a | 1756 | int i; |
78f7defe | 1757 | |
8b4c74dc JO |
1758 | al = rb_entry(node, struct annotation_line, rb_node); |
1759 | for (i = 0; i < al->samples_nr; i++) { | |
1760 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1761 | color = get_percent_color(percent); |
1762 | color_fprintf(stdout, color, " %7.2f", percent); | |
1763 | ||
1764 | if (percent > percent_max) | |
1765 | percent_max = percent; | |
1766 | } | |
1767 | ||
8b4c74dc | 1768 | path = al->path; |
1491c22a | 1769 | color = get_percent_color(percent_max); |
f048d548 | 1770 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1771 | |
78f7defe ACM |
1772 | node = rb_next(node); |
1773 | } | |
1774 | } | |
1775 | ||
db8fd07a | 1776 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1777 | { |
1778 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1779 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1780 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1781 | |
1782 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1783 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1784 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1785 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1786 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1787 | } |
1788 | ||
f48e7c40 JO |
1789 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
1790 | { | |
1791 | char bf[32]; | |
1792 | struct annotation_line *line; | |
1793 | ||
1794 | list_for_each_entry_reverse(line, lines, node) { | |
1795 | if (line->offset != -1) | |
1796 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
1797 | } | |
1798 | ||
1799 | return 0; | |
1800 | } | |
1801 | ||
db8fd07a NK |
1802 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1803 | struct perf_evsel *evsel, bool full_paths, | |
1804 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1805 | { |
1806 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1807 | char *filename; |
1808 | const char *d_filename; | |
9cdbadce | 1809 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1810 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1811 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 1812 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 1813 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 1814 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 1815 | int more = 0; |
78f7defe | 1816 | u64 len; |
ce9ee4a2 | 1817 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 1818 | int graph_dotted_len; |
78f7defe | 1819 | |
bfd14b9a DA |
1820 | filename = strdup(dso->long_name); |
1821 | if (!filename) | |
1822 | return -ENOMEM; | |
1823 | ||
78f7defe ACM |
1824 | if (full_paths) |
1825 | d_filename = filename; | |
1826 | else | |
1827 | d_filename = basename(filename); | |
1828 | ||
1b2e2df4 | 1829 | len = symbol__size(sym); |
b1dd4432 | 1830 | |
759ff497 | 1831 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1832 | width *= evsel->nr_members; |
78f7defe | 1833 | |
135cce1b | 1834 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
1835 | width, width, symbol_conf.show_total_period ? "Period" : |
1836 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 1837 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 1838 | |
53dd9b5f | 1839 | printf("%-*.*s----\n", |
9cdbadce | 1840 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1841 | |
bb963e16 | 1842 | if (verbose > 0) |
db8fd07a | 1843 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1844 | |
f48e7c40 JO |
1845 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
1846 | ||
8f25b819 JO |
1847 | list_for_each_entry(pos, ¬es->src->source, node) { |
1848 | int err; | |
1849 | ||
d5e3d747 ACM |
1850 | if (context && queue == NULL) { |
1851 | queue = pos; | |
1852 | queue_len = 0; | |
1853 | } | |
1854 | ||
8f25b819 JO |
1855 | err = annotation_line__print(pos, sym, start, evsel, len, |
1856 | min_pcnt, printed, max_lines, | |
f48e7c40 | 1857 | queue, addr_fmt_width); |
8f25b819 JO |
1858 | |
1859 | switch (err) { | |
36532461 ACM |
1860 | case 0: |
1861 | ++printed; | |
d5e3d747 ACM |
1862 | if (context) { |
1863 | printed += queue_len; | |
1864 | queue = NULL; | |
1865 | queue_len = 0; | |
1866 | } | |
36532461 ACM |
1867 | break; |
1868 | case 1: | |
1869 | /* filtered by max_lines */ | |
1870 | ++more; | |
d040bd36 | 1871 | break; |
36532461 ACM |
1872 | case -1: |
1873 | default: | |
d5e3d747 ACM |
1874 | /* |
1875 | * Filtered by min_pcnt or non IP lines when | |
1876 | * context != 0 | |
1877 | */ | |
1878 | if (!context) | |
1879 | break; | |
1880 | if (queue_len == context) | |
8f25b819 | 1881 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
1882 | else |
1883 | ++queue_len; | |
36532461 ACM |
1884 | break; |
1885 | } | |
1886 | } | |
1887 | ||
bfd14b9a DA |
1888 | free(filename); |
1889 | ||
36532461 ACM |
1890 | return more; |
1891 | } | |
f1e2701d | 1892 | |
36532461 ACM |
1893 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1894 | { | |
1895 | struct annotation *notes = symbol__annotation(sym); | |
1896 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1897 | ||
ce6f4fab | 1898 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1899 | } |
1900 | ||
ce6f4fab | 1901 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1902 | { |
1903 | struct annotation *notes = symbol__annotation(sym); | |
1904 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1905 | int len = symbol__size(sym), offset; |
36532461 | 1906 | |
8158683d | 1907 | h->nr_samples = 0; |
8b84a568 | 1908 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 1909 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 1910 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
1911 | } |
1912 | } | |
1913 | ||
f8eb37bd | 1914 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 1915 | { |
f8eb37bd | 1916 | struct annotation_line *al, *n; |
f1e2701d | 1917 | |
f8eb37bd JO |
1918 | list_for_each_entry_safe(al, n, &as->source, node) { |
1919 | list_del(&al->node); | |
1920 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
1921 | } |
1922 | } | |
1923 | ||
5145418b ACM |
1924 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1925 | { | |
1926 | size_t printed; | |
1927 | ||
d5490b96 JO |
1928 | if (dl->al.offset == -1) |
1929 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 1930 | |
d5490b96 | 1931 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 1932 | |
c7e6ead7 | 1933 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1934 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1935 | dl->ops.raw); |
5145418b ACM |
1936 | } |
1937 | ||
1938 | return printed + fprintf(fp, "\n"); | |
1939 | } | |
1940 | ||
1941 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1942 | { | |
1943 | struct disasm_line *pos; | |
1944 | size_t printed = 0; | |
1945 | ||
a17c4ca0 | 1946 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
1947 | printed += disasm_line__fprintf(pos, fp); |
1948 | ||
1949 | return printed; | |
1950 | } | |
1951 | ||
8b4c74dc JO |
1952 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
1953 | struct rb_root *root, u64 start) | |
1954 | { | |
1955 | struct annotation_line *al; | |
1956 | struct rb_root tmp_root = RB_ROOT; | |
1957 | ||
1958 | list_for_each_entry(al, ¬es->src->source, node) { | |
1959 | double percent_max = 0.0; | |
1960 | int i; | |
1961 | ||
1962 | for (i = 0; i < al->samples_nr; i++) { | |
1963 | struct annotation_data *sample; | |
1964 | ||
1965 | sample = &al->samples[i]; | |
1966 | ||
1967 | if (sample->percent > percent_max) | |
1968 | percent_max = sample->percent; | |
1969 | } | |
1970 | ||
1971 | if (percent_max <= 0.5) | |
1972 | continue; | |
1973 | ||
935f5a9d JY |
1974 | al->path = get_srcline(map->dso, start + al->offset, NULL, |
1975 | false, true, start + al->offset); | |
8b4c74dc JO |
1976 | insert_source_line(&tmp_root, al); |
1977 | } | |
1978 | ||
1979 | resort_source_line(root, &tmp_root); | |
1980 | } | |
1981 | ||
1982 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
1983 | struct rb_root *root) | |
1984 | { | |
1985 | struct annotation *notes = symbol__annotation(sym); | |
1986 | u64 start = map__rip_2objdump(map, sym->start); | |
1987 | ||
1988 | annotation__calc_lines(notes, map, root, start); | |
1989 | } | |
1990 | ||
db8fd07a NK |
1991 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1992 | struct perf_evsel *evsel, bool print_lines, | |
1993 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1994 | { |
1995 | struct dso *dso = map->dso; | |
f1e2701d | 1996 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 1997 | |
5449f13c | 1998 | if (symbol__annotate(sym, map, evsel, 0, NULL) < 0) |
f1e2701d ACM |
1999 | return -1; |
2000 | ||
05d3f1a1 JO |
2001 | symbol__calc_percent(sym, evsel); |
2002 | ||
f1e2701d | 2003 | if (print_lines) { |
4a4c03c1 | 2004 | srcline_full_filename = full_paths; |
8b4c74dc | 2005 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 2006 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2007 | } |
2008 | ||
db8fd07a | 2009 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 2010 | min_pcnt, max_lines, 0); |
78f7defe | 2011 | |
f8eb37bd | 2012 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2013 | |
78f7defe ACM |
2014 | return 0; |
2015 | } | |
f626adff | 2016 | |
48c65bda NK |
2017 | bool ui__has_annotation(void) |
2018 | { | |
2e0453af | 2019 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2020 | } |