Commit | Line | Data |
---|---|---|
78f7defe ACM |
1 | /* |
2 | * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
3 | * | |
4 | * Parts came from builtin-annotate.c, see those files for further | |
5 | * copyright notes. | |
6 | * | |
7 | * Released under the GPL v2. (and only v2, not any later version) | |
8 | */ | |
9 | ||
10 | #include "util.h" | |
48c65bda NK |
11 | #include "ui/ui.h" |
12 | #include "sort.h" | |
78f7defe ACM |
13 | #include "build-id.h" |
14 | #include "color.h" | |
15 | #include "cache.h" | |
16 | #include "symbol.h" | |
17 | #include "debug.h" | |
18 | #include "annotate.h" | |
db8fd07a | 19 | #include "evsel.h" |
e592488c | 20 | #include <regex.h> |
ce6f4fab | 21 | #include <pthread.h> |
4383db88 | 22 | #include <linux/bitops.h> |
78f7defe | 23 | |
f69b64f7 | 24 | const char *disassembler_style; |
7a4ec938 | 25 | const char *objdump_path; |
e592488c | 26 | static regex_t file_lineno; |
f69b64f7 | 27 | |
7a997fe4 ACM |
28 | static struct ins *ins__find(const char *name); |
29 | static int disasm_line__parse(char *line, char **namep, char **rawp); | |
30 | ||
c46219ac ACM |
31 | static void ins__delete(struct ins_operands *ops) |
32 | { | |
3995614d ACM |
33 | if (ops == NULL) |
34 | return; | |
74cf249d ACM |
35 | zfree(&ops->source.raw); |
36 | zfree(&ops->source.name); | |
37 | zfree(&ops->target.raw); | |
38 | zfree(&ops->target.name); | |
c46219ac ACM |
39 | } |
40 | ||
5417072b ACM |
41 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
42 | struct ins_operands *ops) | |
43 | { | |
44 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
45 | } | |
46 | ||
47 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
48 | struct ins_operands *ops) | |
49 | { | |
50 | if (ins->ops->scnprintf) | |
51 | return ins->ops->scnprintf(ins, bf, size, ops); | |
52 | ||
53 | return ins__raw_scnprintf(ins, bf, size, ops); | |
54 | } | |
55 | ||
c7e6ead7 | 56 | static int call__parse(struct ins_operands *ops) |
d86b0597 | 57 | { |
d2232885 ACM |
58 | char *endptr, *tok, *name; |
59 | ||
44d1a3ed | 60 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
61 | |
62 | name = strchr(endptr, '<'); | |
63 | if (name == NULL) | |
64 | goto indirect_call; | |
65 | ||
66 | name++; | |
67 | ||
68 | tok = strchr(name, '>'); | |
69 | if (tok == NULL) | |
70 | return -1; | |
71 | ||
72 | *tok = '\0'; | |
44d1a3ed | 73 | ops->target.name = strdup(name); |
d2232885 ACM |
74 | *tok = '>'; |
75 | ||
44d1a3ed | 76 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
77 | |
78 | indirect_call: | |
e8ea1561 ACM |
79 | tok = strchr(endptr, '('); |
80 | if (tok != NULL) { | |
81 | ops->target.addr = 0; | |
82 | return 0; | |
83 | } | |
84 | ||
d2232885 ACM |
85 | tok = strchr(endptr, '*'); |
86 | if (tok == NULL) | |
87 | return -1; | |
88 | ||
44d1a3ed | 89 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
90 | return 0; |
91 | } | |
92 | ||
d2232885 | 93 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 94 | struct ins_operands *ops) |
d2232885 | 95 | { |
44d1a3ed ACM |
96 | if (ops->target.name) |
97 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 98 | |
e8ea1561 ACM |
99 | if (ops->target.addr == 0) |
100 | return ins__raw_scnprintf(ins, bf, size, ops); | |
101 | ||
44d1a3ed | 102 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
103 | } |
104 | ||
d86b0597 | 105 | static struct ins_ops call_ops = { |
d2232885 ACM |
106 | .parse = call__parse, |
107 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
108 | }; |
109 | ||
110 | bool ins__is_call(const struct ins *ins) | |
111 | { | |
112 | return ins->ops == &call_ops; | |
113 | } | |
114 | ||
c7e6ead7 | 115 | static int jump__parse(struct ins_operands *ops) |
4f9d0325 | 116 | { |
c7e6ead7 | 117 | const char *s = strchr(ops->raw, '+'); |
4f9d0325 | 118 | |
bbb7f846 | 119 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
fb29fa58 ACM |
120 | |
121 | if (s++ != NULL) | |
bbb7f846 | 122 | ops->target.offset = strtoull(s, NULL, 16); |
fb29fa58 ACM |
123 | else |
124 | ops->target.offset = UINT64_MAX; | |
4f9d0325 | 125 | |
4f9d0325 ACM |
126 | return 0; |
127 | } | |
128 | ||
c7e6ead7 | 129 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 130 | struct ins_operands *ops) |
28548d78 | 131 | { |
44d1a3ed | 132 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
133 | } |
134 | ||
4f9d0325 | 135 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
136 | .parse = jump__parse, |
137 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
138 | }; |
139 | ||
140 | bool ins__is_jump(const struct ins *ins) | |
141 | { | |
142 | return ins->ops == &jump_ops; | |
143 | } | |
144 | ||
6de783b6 ACM |
145 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
146 | { | |
147 | char *endptr, *name, *t; | |
148 | ||
149 | if (strstr(raw, "(%rip)") == NULL) | |
150 | return 0; | |
151 | ||
152 | *addrp = strtoull(comment, &endptr, 16); | |
153 | name = strchr(endptr, '<'); | |
154 | if (name == NULL) | |
155 | return -1; | |
156 | ||
157 | name++; | |
158 | ||
159 | t = strchr(name, '>'); | |
160 | if (t == NULL) | |
161 | return 0; | |
162 | ||
163 | *t = '\0'; | |
164 | *namep = strdup(name); | |
165 | *t = '>'; | |
166 | ||
167 | return 0; | |
168 | } | |
169 | ||
7a997fe4 ACM |
170 | static int lock__parse(struct ins_operands *ops) |
171 | { | |
172 | char *name; | |
173 | ||
174 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); | |
175 | if (ops->locked.ops == NULL) | |
176 | return 0; | |
177 | ||
178 | if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) | |
179 | goto out_free_ops; | |
180 | ||
2ba34aaa | 181 | ops->locked.ins = ins__find(name); |
0fb9f2aa RV |
182 | free(name); |
183 | ||
2ba34aaa NK |
184 | if (ops->locked.ins == NULL) |
185 | goto out_free_ops; | |
7a997fe4 | 186 | |
2ba34aaa NK |
187 | if (!ops->locked.ins->ops) |
188 | return 0; | |
7a997fe4 | 189 | |
be81908c RV |
190 | if (ops->locked.ins->ops->parse && |
191 | ops->locked.ins->ops->parse(ops->locked.ops) < 0) | |
192 | goto out_free_ops; | |
7a997fe4 ACM |
193 | |
194 | return 0; | |
195 | ||
196 | out_free_ops: | |
04662523 | 197 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
198 | return 0; |
199 | } | |
200 | ||
201 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
202 | struct ins_operands *ops) | |
203 | { | |
204 | int printed; | |
205 | ||
206 | if (ops->locked.ins == NULL) | |
207 | return ins__raw_scnprintf(ins, bf, size, ops); | |
208 | ||
209 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
210 | return printed + ins__scnprintf(ops->locked.ins, bf + printed, | |
211 | size - printed, ops->locked.ops); | |
212 | } | |
213 | ||
c46219ac ACM |
214 | static void lock__delete(struct ins_operands *ops) |
215 | { | |
0fb9f2aa RV |
216 | struct ins *ins = ops->locked.ins; |
217 | ||
218 | if (ins && ins->ops->free) | |
219 | ins->ops->free(ops->locked.ops); | |
220 | else | |
221 | ins__delete(ops->locked.ops); | |
222 | ||
74cf249d ACM |
223 | zfree(&ops->locked.ops); |
224 | zfree(&ops->target.raw); | |
225 | zfree(&ops->target.name); | |
c46219ac ACM |
226 | } |
227 | ||
7a997fe4 | 228 | static struct ins_ops lock_ops = { |
c46219ac | 229 | .free = lock__delete, |
7a997fe4 ACM |
230 | .parse = lock__parse, |
231 | .scnprintf = lock__scnprintf, | |
232 | }; | |
233 | ||
6de783b6 ACM |
234 | static int mov__parse(struct ins_operands *ops) |
235 | { | |
236 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
237 | ||
238 | if (s == NULL) | |
239 | return -1; | |
240 | ||
241 | *s = '\0'; | |
242 | ops->source.raw = strdup(ops->raw); | |
243 | *s = ','; | |
48000a1a | 244 | |
6de783b6 ACM |
245 | if (ops->source.raw == NULL) |
246 | return -1; | |
247 | ||
248 | target = ++s; | |
1e2bb043 AC |
249 | comment = strchr(s, '#'); |
250 | ||
251 | if (comment != NULL) | |
252 | s = comment - 1; | |
253 | else | |
254 | s = strchr(s, '\0') - 1; | |
6de783b6 | 255 | |
1e2bb043 AC |
256 | while (s > target && isspace(s[0])) |
257 | --s; | |
258 | s++; | |
6de783b6 ACM |
259 | prev = *s; |
260 | *s = '\0'; | |
261 | ||
262 | ops->target.raw = strdup(target); | |
263 | *s = prev; | |
264 | ||
265 | if (ops->target.raw == NULL) | |
266 | goto out_free_source; | |
267 | ||
6de783b6 ACM |
268 | if (comment == NULL) |
269 | return 0; | |
270 | ||
271 | while (comment[0] != '\0' && isspace(comment[0])) | |
272 | ++comment; | |
273 | ||
274 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); | |
275 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
276 | ||
277 | return 0; | |
278 | ||
279 | out_free_source: | |
04662523 | 280 | zfree(&ops->source.raw); |
6de783b6 ACM |
281 | return -1; |
282 | } | |
283 | ||
284 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
285 | struct ins_operands *ops) | |
286 | { | |
287 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
288 | ops->source.name ?: ops->source.raw, | |
289 | ops->target.name ?: ops->target.raw); | |
290 | } | |
291 | ||
292 | static struct ins_ops mov_ops = { | |
293 | .parse = mov__parse, | |
294 | .scnprintf = mov__scnprintf, | |
295 | }; | |
296 | ||
a43712c4 ACM |
297 | static int dec__parse(struct ins_operands *ops) |
298 | { | |
299 | char *target, *comment, *s, prev; | |
300 | ||
301 | target = s = ops->raw; | |
302 | ||
303 | while (s[0] != '\0' && !isspace(s[0])) | |
304 | ++s; | |
305 | prev = *s; | |
306 | *s = '\0'; | |
307 | ||
308 | ops->target.raw = strdup(target); | |
309 | *s = prev; | |
310 | ||
311 | if (ops->target.raw == NULL) | |
312 | return -1; | |
313 | ||
314 | comment = strchr(s, '#'); | |
315 | if (comment == NULL) | |
316 | return 0; | |
317 | ||
318 | while (comment[0] != '\0' && isspace(comment[0])) | |
319 | ++comment; | |
320 | ||
321 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
322 | ||
323 | return 0; | |
324 | } | |
325 | ||
326 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
327 | struct ins_operands *ops) | |
328 | { | |
329 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
330 | ops->target.name ?: ops->target.raw); | |
331 | } | |
332 | ||
333 | static struct ins_ops dec_ops = { | |
334 | .parse = dec__parse, | |
335 | .scnprintf = dec__scnprintf, | |
336 | }; | |
337 | ||
1d037ca1 IT |
338 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
339 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
340 | { |
341 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
342 | } | |
343 | ||
344 | static struct ins_ops nop_ops = { | |
345 | .scnprintf = nop__scnprintf, | |
346 | }; | |
347 | ||
4f9d0325 ACM |
348 | /* |
349 | * Must be sorted by name! | |
350 | */ | |
351 | static struct ins instructions[] = { | |
6de783b6 ACM |
352 | { .name = "add", .ops = &mov_ops, }, |
353 | { .name = "addl", .ops = &mov_ops, }, | |
354 | { .name = "addq", .ops = &mov_ops, }, | |
355 | { .name = "addw", .ops = &mov_ops, }, | |
356 | { .name = "and", .ops = &mov_ops, }, | |
7a997fe4 | 357 | { .name = "bts", .ops = &mov_ops, }, |
d86b0597 ACM |
358 | { .name = "call", .ops = &call_ops, }, |
359 | { .name = "callq", .ops = &call_ops, }, | |
6de783b6 ACM |
360 | { .name = "cmp", .ops = &mov_ops, }, |
361 | { .name = "cmpb", .ops = &mov_ops, }, | |
362 | { .name = "cmpl", .ops = &mov_ops, }, | |
363 | { .name = "cmpq", .ops = &mov_ops, }, | |
364 | { .name = "cmpw", .ops = &mov_ops, }, | |
365 | { .name = "cmpxch", .ops = &mov_ops, }, | |
a43712c4 ACM |
366 | { .name = "dec", .ops = &dec_ops, }, |
367 | { .name = "decl", .ops = &dec_ops, }, | |
6de783b6 | 368 | { .name = "imul", .ops = &mov_ops, }, |
a43712c4 ACM |
369 | { .name = "inc", .ops = &dec_ops, }, |
370 | { .name = "incl", .ops = &dec_ops, }, | |
4f9d0325 | 371 | { .name = "ja", .ops = &jump_ops, }, |
3f862fd0 ACM |
372 | { .name = "jae", .ops = &jump_ops, }, |
373 | { .name = "jb", .ops = &jump_ops, }, | |
374 | { .name = "jbe", .ops = &jump_ops, }, | |
375 | { .name = "jc", .ops = &jump_ops, }, | |
376 | { .name = "jcxz", .ops = &jump_ops, }, | |
4f9d0325 | 377 | { .name = "je", .ops = &jump_ops, }, |
3f862fd0 ACM |
378 | { .name = "jecxz", .ops = &jump_ops, }, |
379 | { .name = "jg", .ops = &jump_ops, }, | |
380 | { .name = "jge", .ops = &jump_ops, }, | |
381 | { .name = "jl", .ops = &jump_ops, }, | |
382 | { .name = "jle", .ops = &jump_ops, }, | |
4f9d0325 ACM |
383 | { .name = "jmp", .ops = &jump_ops, }, |
384 | { .name = "jmpq", .ops = &jump_ops, }, | |
3f862fd0 ACM |
385 | { .name = "jna", .ops = &jump_ops, }, |
386 | { .name = "jnae", .ops = &jump_ops, }, | |
387 | { .name = "jnb", .ops = &jump_ops, }, | |
388 | { .name = "jnbe", .ops = &jump_ops, }, | |
389 | { .name = "jnc", .ops = &jump_ops, }, | |
4f9d0325 | 390 | { .name = "jne", .ops = &jump_ops, }, |
3f862fd0 ACM |
391 | { .name = "jng", .ops = &jump_ops, }, |
392 | { .name = "jnge", .ops = &jump_ops, }, | |
393 | { .name = "jnl", .ops = &jump_ops, }, | |
394 | { .name = "jnle", .ops = &jump_ops, }, | |
395 | { .name = "jno", .ops = &jump_ops, }, | |
396 | { .name = "jnp", .ops = &jump_ops, }, | |
397 | { .name = "jns", .ops = &jump_ops, }, | |
398 | { .name = "jnz", .ops = &jump_ops, }, | |
399 | { .name = "jo", .ops = &jump_ops, }, | |
400 | { .name = "jp", .ops = &jump_ops, }, | |
401 | { .name = "jpe", .ops = &jump_ops, }, | |
402 | { .name = "jpo", .ops = &jump_ops, }, | |
403 | { .name = "jrcxz", .ops = &jump_ops, }, | |
4f9d0325 | 404 | { .name = "js", .ops = &jump_ops, }, |
3f862fd0 | 405 | { .name = "jz", .ops = &jump_ops, }, |
6de783b6 | 406 | { .name = "lea", .ops = &mov_ops, }, |
7a997fe4 | 407 | { .name = "lock", .ops = &lock_ops, }, |
6de783b6 ACM |
408 | { .name = "mov", .ops = &mov_ops, }, |
409 | { .name = "movb", .ops = &mov_ops, }, | |
410 | { .name = "movdqa",.ops = &mov_ops, }, | |
411 | { .name = "movl", .ops = &mov_ops, }, | |
412 | { .name = "movq", .ops = &mov_ops, }, | |
413 | { .name = "movslq", .ops = &mov_ops, }, | |
414 | { .name = "movzbl", .ops = &mov_ops, }, | |
415 | { .name = "movzwl", .ops = &mov_ops, }, | |
b9818e93 ACM |
416 | { .name = "nop", .ops = &nop_ops, }, |
417 | { .name = "nopl", .ops = &nop_ops, }, | |
418 | { .name = "nopw", .ops = &nop_ops, }, | |
6de783b6 ACM |
419 | { .name = "or", .ops = &mov_ops, }, |
420 | { .name = "orl", .ops = &mov_ops, }, | |
421 | { .name = "test", .ops = &mov_ops, }, | |
422 | { .name = "testb", .ops = &mov_ops, }, | |
423 | { .name = "testl", .ops = &mov_ops, }, | |
7a997fe4 | 424 | { .name = "xadd", .ops = &mov_ops, }, |
ffadcf09 AK |
425 | { .name = "xbeginl", .ops = &jump_ops, }, |
426 | { .name = "xbeginq", .ops = &jump_ops, }, | |
4f9d0325 ACM |
427 | }; |
428 | ||
429 | static int ins__cmp(const void *name, const void *insp) | |
430 | { | |
431 | const struct ins *ins = insp; | |
432 | ||
433 | return strcmp(name, ins->name); | |
434 | } | |
435 | ||
436 | static struct ins *ins__find(const char *name) | |
437 | { | |
438 | const int nmemb = ARRAY_SIZE(instructions); | |
439 | ||
440 | return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); | |
441 | } | |
442 | ||
1d037ca1 | 443 | int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym) |
78f7defe ACM |
444 | { |
445 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab ACM |
446 | pthread_mutex_init(¬es->lock, NULL); |
447 | return 0; | |
448 | } | |
78f7defe | 449 | |
d04b35f8 | 450 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
451 | { |
452 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 453 | const size_t size = symbol__size(sym); |
8696329b CS |
454 | size_t sizeof_sym_hist; |
455 | ||
456 | /* Check for overflow when calculating sizeof_sym_hist */ | |
457 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
458 | return -1; | |
459 | ||
460 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
461 | ||
462 | /* Check for overflow in zalloc argument */ | |
463 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
464 | / symbol_conf.nr_events) | |
465 | return -1; | |
ce6f4fab | 466 | |
d04b35f8 | 467 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
468 | if (notes->src == NULL) |
469 | return -1; | |
470 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 471 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
472 | INIT_LIST_HEAD(¬es->src->source); |
473 | return 0; | |
78f7defe ACM |
474 | } |
475 | ||
36532461 ACM |
476 | void symbol__annotate_zero_histograms(struct symbol *sym) |
477 | { | |
478 | struct annotation *notes = symbol__annotation(sym); | |
479 | ||
ce6f4fab ACM |
480 | pthread_mutex_lock(¬es->lock); |
481 | if (notes->src != NULL) | |
482 | memset(notes->src->histograms, 0, | |
483 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
484 | pthread_mutex_unlock(¬es->lock); | |
36532461 ACM |
485 | } |
486 | ||
b66d8c0c ACM |
487 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
488 | struct annotation *notes, int evidx, u64 addr) | |
78f7defe | 489 | { |
2f525d01 | 490 | unsigned offset; |
78f7defe ACM |
491 | struct sym_hist *h; |
492 | ||
78f7defe ACM |
493 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
494 | ||
2c241bd3 | 495 | if (addr < sym->start || addr >= sym->end) |
31d68e7b | 496 | return -ERANGE; |
78f7defe | 497 | |
2f525d01 ACM |
498 | offset = addr - sym->start; |
499 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
500 | h->sum++; |
501 | h->addr[offset]++; | |
502 | ||
503 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
504 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
505 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
506 | return 0; |
507 | } | |
508 | ||
83be34a7 AK |
509 | static struct annotation *symbol__get_annotation(struct symbol *sym) |
510 | { | |
511 | struct annotation *notes = symbol__annotation(sym); | |
512 | ||
513 | if (notes->src == NULL) { | |
514 | if (symbol__alloc_hist(sym) < 0) | |
515 | return NULL; | |
516 | } | |
517 | return notes; | |
518 | } | |
519 | ||
44e83039 ACM |
520 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
521 | int evidx, u64 addr) | |
b66d8c0c ACM |
522 | { |
523 | struct annotation *notes; | |
524 | ||
48c65bda | 525 | if (sym == NULL) |
b66d8c0c | 526 | return 0; |
83be34a7 AK |
527 | notes = symbol__get_annotation(sym); |
528 | if (notes == NULL) | |
529 | return -ENOMEM; | |
b66d8c0c ACM |
530 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); |
531 | } | |
532 | ||
0f4e7a24 ACM |
533 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
534 | { | |
535 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
536 | } | |
537 | ||
f626adff ACM |
538 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
539 | { | |
540 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
541 | } | |
542 | ||
4f9d0325 ACM |
543 | static void disasm_line__init_ins(struct disasm_line *dl) |
544 | { | |
545 | dl->ins = ins__find(dl->name); | |
546 | ||
547 | if (dl->ins == NULL) | |
548 | return; | |
549 | ||
550 | if (!dl->ins->ops) | |
551 | return; | |
552 | ||
be81908c RV |
553 | if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0) |
554 | dl->ins = NULL; | |
4f9d0325 ACM |
555 | } |
556 | ||
7a997fe4 ACM |
557 | static int disasm_line__parse(char *line, char **namep, char **rawp) |
558 | { | |
559 | char *name = line, tmp; | |
560 | ||
561 | while (isspace(name[0])) | |
562 | ++name; | |
563 | ||
564 | if (name[0] == '\0') | |
565 | return -1; | |
566 | ||
567 | *rawp = name + 1; | |
568 | ||
569 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
570 | ++*rawp; | |
571 | ||
572 | tmp = (*rawp)[0]; | |
573 | (*rawp)[0] = '\0'; | |
574 | *namep = strdup(name); | |
575 | ||
576 | if (*namep == NULL) | |
577 | goto out_free_name; | |
578 | ||
579 | (*rawp)[0] = tmp; | |
580 | ||
581 | if ((*rawp)[0] != '\0') { | |
582 | (*rawp)++; | |
583 | while (isspace((*rawp)[0])) | |
584 | ++(*rawp); | |
585 | } | |
586 | ||
587 | return 0; | |
588 | ||
589 | out_free_name: | |
04662523 | 590 | zfree(namep); |
7a997fe4 ACM |
591 | return -1; |
592 | } | |
593 | ||
e592488c AK |
594 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
595 | size_t privsize, int line_nr) | |
78f7defe | 596 | { |
5145418b | 597 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 598 | |
29ed6e76 ACM |
599 | if (dl != NULL) { |
600 | dl->offset = offset; | |
601 | dl->line = strdup(line); | |
e592488c | 602 | dl->line_nr = line_nr; |
29ed6e76 | 603 | if (dl->line == NULL) |
058b4cc9 | 604 | goto out_delete; |
5145418b ACM |
605 | |
606 | if (offset != -1) { | |
7a997fe4 | 607 | if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0) |
5145418b ACM |
608 | goto out_free_line; |
609 | ||
4f9d0325 | 610 | disasm_line__init_ins(dl); |
5145418b | 611 | } |
78f7defe ACM |
612 | } |
613 | ||
29ed6e76 | 614 | return dl; |
5145418b ACM |
615 | |
616 | out_free_line: | |
74cf249d | 617 | zfree(&dl->line); |
058b4cc9 | 618 | out_delete: |
29ed6e76 | 619 | free(dl); |
058b4cc9 | 620 | return NULL; |
78f7defe ACM |
621 | } |
622 | ||
29ed6e76 | 623 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 624 | { |
74cf249d ACM |
625 | zfree(&dl->line); |
626 | zfree(&dl->name); | |
c46219ac ACM |
627 | if (dl->ins && dl->ins->ops->free) |
628 | dl->ins->ops->free(&dl->ops); | |
629 | else | |
630 | ins__delete(&dl->ops); | |
29ed6e76 | 631 | free(dl); |
78f7defe ACM |
632 | } |
633 | ||
5417072b ACM |
634 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
635 | { | |
636 | if (raw || !dl->ins) | |
637 | return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); | |
638 | ||
639 | return ins__scnprintf(dl->ins, bf, size, &dl->ops); | |
640 | } | |
641 | ||
29ed6e76 | 642 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
643 | { |
644 | list_add_tail(&line->node, head); | |
645 | } | |
646 | ||
29ed6e76 | 647 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
648 | { |
649 | list_for_each_entry_continue(pos, head, node) | |
650 | if (pos->offset >= 0) | |
651 | return pos; | |
652 | ||
653 | return NULL; | |
654 | } | |
655 | ||
e64aa75b | 656 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
0c4a5bce | 657 | s64 end, const char **path, u64 *nr_samples) |
e5ccf9f4 NK |
658 | { |
659 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 | 660 | double percent = 0.0; |
0c4a5bce | 661 | *nr_samples = 0; |
e5ccf9f4 | 662 | |
bd64fcb8 | 663 | if (src_line) { |
1491c22a | 664 | size_t sizeof_src_line = sizeof(*src_line) + |
276af92f | 665 | sizeof(src_line->samples) * (src_line->nr_pcnt - 1); |
1491c22a | 666 | |
bd64fcb8 | 667 | while (offset < end) { |
1491c22a NK |
668 | src_line = (void *)notes->src->lines + |
669 | (sizeof_src_line * offset); | |
670 | ||
e5ccf9f4 | 671 | if (*path == NULL) |
1491c22a | 672 | *path = src_line->path; |
e5ccf9f4 | 673 | |
276af92f ACM |
674 | percent += src_line->samples[evidx].percent; |
675 | *nr_samples += src_line->samples[evidx].nr; | |
1491c22a | 676 | offset++; |
bd64fcb8 NK |
677 | } |
678 | } else { | |
1491c22a NK |
679 | struct sym_hist *h = annotation__histogram(notes, evidx); |
680 | unsigned int hits = 0; | |
681 | ||
bd64fcb8 NK |
682 | while (offset < end) |
683 | hits += h->addr[offset++]; | |
e5ccf9f4 | 684 | |
0c4a5bce ML |
685 | if (h->sum) { |
686 | *nr_samples = hits; | |
bd64fcb8 | 687 | percent = 100.0 * hits / h->sum; |
0c4a5bce | 688 | } |
bd64fcb8 | 689 | } |
e5ccf9f4 NK |
690 | |
691 | return percent; | |
692 | } | |
693 | ||
29ed6e76 | 694 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 695 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 696 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
697 | { |
698 | static const char *prev_line; | |
699 | static const char *prev_color; | |
700 | ||
29ed6e76 | 701 | if (dl->offset != -1) { |
78f7defe | 702 | const char *path = NULL; |
0c4a5bce | 703 | u64 nr_samples; |
b1dd4432 NK |
704 | double percent, max_percent = 0.0; |
705 | double *ppercents = &percent; | |
0c4a5bce | 706 | u64 *psamples = &nr_samples; |
b1dd4432 | 707 | int i, nr_percent = 1; |
78f7defe ACM |
708 | const char *color; |
709 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 710 | s64 offset = dl->offset; |
058b4cc9 | 711 | const u64 addr = start + offset; |
29ed6e76 | 712 | struct disasm_line *next; |
ce6f4fab | 713 | |
29ed6e76 | 714 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 715 | |
759ff497 | 716 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
717 | nr_percent = evsel->nr_members; |
718 | ppercents = calloc(nr_percent, sizeof(double)); | |
0c4a5bce ML |
719 | psamples = calloc(nr_percent, sizeof(u64)); |
720 | if (ppercents == NULL || psamples == NULL) { | |
b1dd4432 | 721 | return -1; |
0c4a5bce | 722 | } |
b1dd4432 NK |
723 | } |
724 | ||
725 | for (i = 0; i < nr_percent; i++) { | |
726 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
727 | notes->src->lines ? i : evsel->idx + i, |
728 | offset, | |
729 | next ? next->offset : (s64) len, | |
0c4a5bce | 730 | &path, &nr_samples); |
b1dd4432 NK |
731 | |
732 | ppercents[i] = percent; | |
0c4a5bce | 733 | psamples[i] = nr_samples; |
b1dd4432 NK |
734 | if (percent > max_percent) |
735 | max_percent = percent; | |
736 | } | |
737 | ||
738 | if (max_percent < min_pcnt) | |
36532461 ACM |
739 | return -1; |
740 | ||
e3087b80 | 741 | if (max_lines && printed >= max_lines) |
36532461 | 742 | return 1; |
d040bd36 | 743 | |
d5e3d747 ACM |
744 | if (queue != NULL) { |
745 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 746 | if (queue == dl) |
d5e3d747 | 747 | break; |
db8fd07a | 748 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
749 | 0, 0, 1, NULL); |
750 | } | |
751 | } | |
752 | ||
b1dd4432 | 753 | color = get_percent_color(max_percent); |
78f7defe ACM |
754 | |
755 | /* | |
756 | * Also color the filename and line if needed, with | |
757 | * the same color than the percentage. Don't print it | |
758 | * twice for close colored addr with the same filename:line | |
759 | */ | |
760 | if (path) { | |
761 | if (!prev_line || strcmp(prev_line, path) | |
762 | || color != prev_color) { | |
763 | color_fprintf(stdout, color, " %s", path); | |
764 | prev_line = path; | |
765 | prev_color = color; | |
766 | } | |
767 | } | |
768 | ||
b1dd4432 NK |
769 | for (i = 0; i < nr_percent; i++) { |
770 | percent = ppercents[i]; | |
0c4a5bce | 771 | nr_samples = psamples[i]; |
b1dd4432 | 772 | color = get_percent_color(percent); |
0c4a5bce ML |
773 | |
774 | if (symbol_conf.show_total_period) | |
775 | color_fprintf(stdout, color, " %7" PRIu64, | |
776 | nr_samples); | |
777 | else | |
778 | color_fprintf(stdout, color, " %7.2f", percent); | |
b1dd4432 NK |
779 | } |
780 | ||
78f7defe | 781 | printf(" : "); |
058b4cc9 | 782 | color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); |
29ed6e76 | 783 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); |
b1dd4432 NK |
784 | |
785 | if (ppercents != &percent) | |
786 | free(ppercents); | |
787 | ||
0c4a5bce ML |
788 | if (psamples != &nr_samples) |
789 | free(psamples); | |
790 | ||
e3087b80 | 791 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
792 | return 1; |
793 | else { | |
b1dd4432 NK |
794 | int width = 8; |
795 | ||
d5e3d747 ACM |
796 | if (queue) |
797 | return -1; | |
798 | ||
759ff497 | 799 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
800 | width *= evsel->nr_members; |
801 | ||
29ed6e76 | 802 | if (!*dl->line) |
b1dd4432 | 803 | printf(" %*s:\n", width, " "); |
78f7defe | 804 | else |
b1dd4432 | 805 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 806 | } |
36532461 ACM |
807 | |
808 | return 0; | |
78f7defe ACM |
809 | } |
810 | ||
3aec150a NK |
811 | /* |
812 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
813 | * which looks like following | |
814 | * | |
815 | * 0000000000415500 <_init>: | |
816 | * 415500: sub $0x8,%rsp | |
817 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
818 | * 41550b: test %rax,%rax | |
819 | * 41550e: je 415515 <_init+0x15> | |
820 | * 415510: callq 416e70 <__gmon_start__@plt> | |
821 | * 415515: add $0x8,%rsp | |
822 | * 415519: retq | |
823 | * | |
824 | * it will be parsed and saved into struct disasm_line as | |
825 | * <offset> <name> <ops.raw> | |
826 | * | |
827 | * The offset will be a relative offset from the start of the symbol and -1 | |
828 | * means that it's not a disassembly line so should be treated differently. | |
829 | * The ops.raw part will be parsed further according to type of the instruction. | |
830 | */ | |
ce6f4fab | 831 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
e592488c AK |
832 | FILE *file, size_t privsize, |
833 | int *line_nr) | |
78f7defe | 834 | { |
ce6f4fab | 835 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 836 | struct disasm_line *dl; |
058b4cc9 | 837 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
838 | size_t line_len; |
839 | s64 line_ip, offset = -1; | |
e592488c | 840 | regmatch_t match[2]; |
78f7defe ACM |
841 | |
842 | if (getline(&line, &line_len, file) < 0) | |
843 | return -1; | |
844 | ||
845 | if (!line) | |
846 | return -1; | |
847 | ||
848 | while (line_len != 0 && isspace(line[line_len - 1])) | |
849 | line[--line_len] = '\0'; | |
850 | ||
851 | c = strchr(line, '\n'); | |
852 | if (c) | |
853 | *c = 0; | |
854 | ||
855 | line_ip = -1; | |
a31b7cc0 | 856 | parsed_line = line; |
78f7defe | 857 | |
e592488c AK |
858 | /* /filename:linenr ? Save line number and ignore. */ |
859 | if (regexec(&file_lineno, line, 2, match, 0) == 0) { | |
860 | *line_nr = atoi(line + match[1].rm_so); | |
861 | return 0; | |
862 | } | |
863 | ||
78f7defe ACM |
864 | /* |
865 | * Strip leading spaces: | |
866 | */ | |
867 | tmp = line; | |
868 | while (*tmp) { | |
869 | if (*tmp != ' ') | |
870 | break; | |
871 | tmp++; | |
872 | } | |
873 | ||
874 | if (*tmp) { | |
875 | /* | |
876 | * Parse hexa addresses followed by ':' | |
877 | */ | |
878 | line_ip = strtoull(tmp, &tmp2, 16); | |
879 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
880 | line_ip = -1; | |
881 | } | |
882 | ||
883 | if (line_ip != -1) { | |
884 | u64 start = map__rip_2objdump(map, sym->start), | |
885 | end = map__rip_2objdump(map, sym->end); | |
886 | ||
887 | offset = line_ip - start; | |
2c241bd3 | 888 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 889 | offset = -1; |
058b4cc9 ACM |
890 | else |
891 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 892 | } |
78f7defe | 893 | |
e592488c | 894 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr); |
058b4cc9 | 895 | free(line); |
e592488c | 896 | (*line_nr)++; |
058b4cc9 | 897 | |
29ed6e76 | 898 | if (dl == NULL) |
78f7defe | 899 | return -1; |
058b4cc9 | 900 | |
bbb7f846 AH |
901 | if (dl->ops.target.offset == UINT64_MAX) |
902 | dl->ops.target.offset = dl->ops.target.addr - | |
903 | map__rip_2objdump(map, sym->start); | |
904 | ||
6e427ab0 | 905 | /* kcore has no symbols, so add the call target name */ |
b178170a | 906 | if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
907 | struct addr_map_symbol target = { |
908 | .map = map, | |
909 | .addr = dl->ops.target.addr, | |
910 | }; | |
911 | ||
912 | if (!map_groups__find_ams(&target, NULL) && | |
913 | target.sym->start == target.al_addr) | |
914 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
915 | } |
916 | ||
29ed6e76 | 917 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
918 | |
919 | return 0; | |
920 | } | |
921 | ||
e592488c AK |
922 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
923 | { | |
924 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
925 | } | |
926 | ||
484a5e74 AH |
927 | static void delete_last_nop(struct symbol *sym) |
928 | { | |
929 | struct annotation *notes = symbol__annotation(sym); | |
930 | struct list_head *list = ¬es->src->source; | |
931 | struct disasm_line *dl; | |
932 | ||
933 | while (!list_empty(list)) { | |
934 | dl = list_entry(list->prev, struct disasm_line, node); | |
935 | ||
936 | if (dl->ins && dl->ins->ops) { | |
937 | if (dl->ins->ops != &nop_ops) | |
938 | return; | |
939 | } else { | |
940 | if (!strstr(dl->line, " nop ") && | |
941 | !strstr(dl->line, " nopl ") && | |
942 | !strstr(dl->line, " nopw ")) | |
943 | return; | |
944 | } | |
945 | ||
946 | list_del(&dl->node); | |
947 | disasm_line__free(dl); | |
948 | } | |
949 | } | |
950 | ||
ce6f4fab | 951 | int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) |
78f7defe ACM |
952 | { |
953 | struct dso *dso = map->dso; | |
954 | char *filename = dso__build_id_filename(dso, NULL, 0); | |
955 | bool free_filename = true; | |
956 | char command[PATH_MAX * 2]; | |
957 | FILE *file; | |
958 | int err = 0; | |
78f7defe | 959 | char symfs_filename[PATH_MAX]; |
afba19d9 AH |
960 | struct kcore_extract kce; |
961 | bool delete_extract = false; | |
e592488c | 962 | int lineno = 0; |
78f7defe | 963 | |
972f393b ACM |
964 | if (filename) |
965 | symbol__join_symfs(symfs_filename, filename); | |
78f7defe ACM |
966 | |
967 | if (filename == NULL) { | |
968 | if (dso->has_build_id) { | |
969 | pr_err("Can't annotate %s: not enough memory\n", | |
970 | sym->name); | |
971 | return -ENOMEM; | |
972 | } | |
973 | goto fallback; | |
ee205503 AH |
974 | } else if (dso__is_kcore(dso)) { |
975 | goto fallback; | |
78f7defe ACM |
976 | } else if (readlink(symfs_filename, command, sizeof(command)) < 0 || |
977 | strstr(command, "[kernel.kallsyms]") || | |
978 | access(symfs_filename, R_OK)) { | |
979 | free(filename); | |
980 | fallback: | |
981 | /* | |
982 | * If we don't have build-ids or the build-id file isn't in the | |
983 | * cache, or is just a kallsyms file, well, lets hope that this | |
984 | * DSO is the same as when 'perf record' ran. | |
985 | */ | |
bf4414ae | 986 | filename = (char *)dso->long_name; |
972f393b | 987 | symbol__join_symfs(symfs_filename, filename); |
78f7defe ACM |
988 | free_filename = false; |
989 | } | |
990 | ||
bbb7f846 AH |
991 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
992 | !dso__is_kcore(dso)) { | |
170ae6bc ACM |
993 | char bf[BUILD_ID_SIZE * 2 + 16] = " with build id "; |
994 | char *build_id_msg = NULL; | |
995 | ||
78f7defe ACM |
996 | if (dso->annotate_warned) |
997 | goto out_free_filename; | |
170ae6bc ACM |
998 | |
999 | if (dso->has_build_id) { | |
1000 | build_id__sprintf(dso->build_id, | |
1001 | sizeof(dso->build_id), bf + 15); | |
1002 | build_id_msg = bf; | |
1003 | } | |
78f7defe ACM |
1004 | err = -ENOENT; |
1005 | dso->annotate_warned = 1; | |
ae55795e ACM |
1006 | pr_err("Can't annotate %s:\n\n" |
1007 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1008 | "Please use:\n\n" | |
e3a34029 | 1009 | " perf buildid-cache -vu vmlinux\n\n" |
ae55795e | 1010 | "or:\n\n" |
ff2a6617 | 1011 | " --vmlinux vmlinux\n", |
170ae6bc | 1012 | sym->name, build_id_msg ?: ""); |
78f7defe ACM |
1013 | goto out_free_filename; |
1014 | } | |
1015 | ||
1016 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, | |
1017 | filename, sym->name, map->unmap_ip(map, sym->start), | |
1018 | map->unmap_ip(map, sym->end)); | |
1019 | ||
78f7defe ACM |
1020 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1021 | dso, dso->long_name, sym, sym->name); | |
1022 | ||
afba19d9 AH |
1023 | if (dso__is_kcore(dso)) { |
1024 | kce.kcore_filename = symfs_filename; | |
1025 | kce.addr = map__rip_2objdump(map, sym->start); | |
1026 | kce.offs = sym->start; | |
2c241bd3 | 1027 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1028 | if (!kcore_extract__create(&kce)) { |
1029 | delete_extract = true; | |
1030 | strlcpy(symfs_filename, kce.extract_filename, | |
1031 | sizeof(symfs_filename)); | |
1032 | if (free_filename) { | |
1033 | free(filename); | |
1034 | free_filename = false; | |
1035 | } | |
1036 | filename = symfs_filename; | |
1037 | } | |
2c7da8c5 JO |
1038 | } else if (dso__needs_decompress(dso)) { |
1039 | char tmp[PATH_MAX]; | |
1040 | struct kmod_path m; | |
1041 | int fd; | |
1042 | bool ret; | |
1043 | ||
1044 | if (kmod_path__parse_ext(&m, symfs_filename)) | |
1045 | goto out_free_filename; | |
1046 | ||
1047 | snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); | |
1048 | ||
1049 | fd = mkstemp(tmp); | |
1050 | if (fd < 0) { | |
1051 | free(m.ext); | |
1052 | goto out_free_filename; | |
1053 | } | |
1054 | ||
1055 | ret = decompress_to_file(m.ext, symfs_filename, fd); | |
1056 | ||
1057 | free(m.ext); | |
1058 | close(fd); | |
1059 | ||
1060 | if (!ret) | |
1061 | goto out_free_filename; | |
1062 | ||
1063 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1064 | } |
1065 | ||
78f7defe | 1066 | snprintf(command, sizeof(command), |
7a4ec938 | 1067 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1068 | " --stop-address=0x%016" PRIx64 |
e592488c | 1069 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 1070 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1071 | disassembler_style ? "-M " : "", |
1072 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1073 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1074 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1075 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1076 | symbol_conf.annotate_src ? "-S" : "", | |
78f7defe ACM |
1077 | symfs_filename, filename); |
1078 | ||
1079 | pr_debug("Executing: %s\n", command); | |
1080 | ||
1081 | file = popen(command, "r"); | |
1082 | if (!file) | |
2c7da8c5 | 1083 | goto out_remove_tmp; |
78f7defe ACM |
1084 | |
1085 | while (!feof(file)) | |
e592488c AK |
1086 | if (symbol__parse_objdump_line(sym, map, file, privsize, |
1087 | &lineno) < 0) | |
78f7defe ACM |
1088 | break; |
1089 | ||
484a5e74 AH |
1090 | /* |
1091 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1092 | * Remove it. | |
1093 | */ | |
1094 | if (dso__is_kcore(dso)) | |
1095 | delete_last_nop(sym); | |
1096 | ||
78f7defe | 1097 | pclose(file); |
2c7da8c5 JO |
1098 | |
1099 | out_remove_tmp: | |
1100 | if (dso__needs_decompress(dso)) | |
1101 | unlink(symfs_filename); | |
78f7defe | 1102 | out_free_filename: |
afba19d9 AH |
1103 | if (delete_extract) |
1104 | kcore_extract__delete(&kce); | |
78f7defe ACM |
1105 | if (free_filename) |
1106 | free(filename); | |
1107 | return err; | |
1108 | } | |
1109 | ||
1110 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1111 | { | |
1112 | struct source_line *iter; | |
1113 | struct rb_node **p = &root->rb_node; | |
1114 | struct rb_node *parent = NULL; | |
1491c22a | 1115 | int i, ret; |
78f7defe ACM |
1116 | |
1117 | while (*p != NULL) { | |
1118 | parent = *p; | |
1119 | iter = rb_entry(parent, struct source_line, node); | |
1120 | ||
41127965 NK |
1121 | ret = strcmp(iter->path, src_line->path); |
1122 | if (ret == 0) { | |
1491c22a | 1123 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1124 | iter->samples[i].percent_sum += src_line->samples[i].percent; |
41127965 NK |
1125 | return; |
1126 | } | |
1127 | ||
1128 | if (ret < 0) | |
1129 | p = &(*p)->rb_left; | |
1130 | else | |
1131 | p = &(*p)->rb_right; | |
1132 | } | |
1133 | ||
1491c22a | 1134 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1135 | src_line->samples[i].percent_sum = src_line->samples[i].percent; |
41127965 NK |
1136 | |
1137 | rb_link_node(&src_line->node, parent, p); | |
1138 | rb_insert_color(&src_line->node, root); | |
1139 | } | |
1140 | ||
1491c22a NK |
1141 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1142 | { | |
1143 | int i; | |
1144 | ||
1145 | for (i = 0; i < a->nr_pcnt; i++) { | |
276af92f | 1146 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1147 | continue; |
276af92f | 1148 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1149 | } |
1150 | ||
1151 | return 0; | |
1152 | } | |
1153 | ||
41127965 NK |
1154 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1155 | { | |
1156 | struct source_line *iter; | |
1157 | struct rb_node **p = &root->rb_node; | |
1158 | struct rb_node *parent = NULL; | |
1159 | ||
1160 | while (*p != NULL) { | |
1161 | parent = *p; | |
1162 | iter = rb_entry(parent, struct source_line, node); | |
1163 | ||
1491c22a | 1164 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1165 | p = &(*p)->rb_left; |
1166 | else | |
1167 | p = &(*p)->rb_right; | |
1168 | } | |
1169 | ||
1170 | rb_link_node(&src_line->node, parent, p); | |
1171 | rb_insert_color(&src_line->node, root); | |
1172 | } | |
1173 | ||
41127965 NK |
1174 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1175 | { | |
1176 | struct source_line *src_line; | |
1177 | struct rb_node *node; | |
1178 | ||
1179 | node = rb_first(src_root); | |
1180 | while (node) { | |
1181 | struct rb_node *next; | |
1182 | ||
1183 | src_line = rb_entry(node, struct source_line, node); | |
1184 | next = rb_next(node); | |
1185 | rb_erase(node, src_root); | |
1186 | ||
1187 | __resort_source_line(dest_root, src_line); | |
1188 | node = next; | |
1189 | } | |
1190 | } | |
1191 | ||
78f7defe ACM |
1192 | static void symbol__free_source_line(struct symbol *sym, int len) |
1193 | { | |
1194 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1195 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1196 | size_t sizeof_src_line; |
78f7defe ACM |
1197 | int i; |
1198 | ||
1491c22a | 1199 | sizeof_src_line = sizeof(*src_line) + |
276af92f | 1200 | (sizeof(src_line->samples) * (src_line->nr_pcnt - 1)); |
78f7defe | 1201 | |
1491c22a | 1202 | for (i = 0; i < len; i++) { |
f048d548 | 1203 | free_srcline(src_line->path); |
1491c22a NK |
1204 | src_line = (void *)src_line + sizeof_src_line; |
1205 | } | |
1206 | ||
04662523 | 1207 | zfree(¬es->src->lines); |
78f7defe ACM |
1208 | } |
1209 | ||
1210 | /* Get the filename:line for the colored entries */ | |
1211 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1212 | struct perf_evsel *evsel, |
86c98cab | 1213 | struct rb_root *root, int len) |
78f7defe ACM |
1214 | { |
1215 | u64 start; | |
1491c22a NK |
1216 | int i, k; |
1217 | int evidx = evsel->idx; | |
78f7defe ACM |
1218 | struct source_line *src_line; |
1219 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1220 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1221 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1222 | int nr_pcnt = 1; |
1223 | u64 h_sum = h->sum; | |
1224 | size_t sizeof_src_line = sizeof(struct source_line); | |
1225 | ||
1226 | if (perf_evsel__is_group_event(evsel)) { | |
1227 | for (i = 1; i < evsel->nr_members; i++) { | |
1228 | h = annotation__histogram(notes, evidx + i); | |
1229 | h_sum += h->sum; | |
1230 | } | |
1231 | nr_pcnt = evsel->nr_members; | |
276af92f | 1232 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples); |
1491c22a | 1233 | } |
78f7defe | 1234 | |
1491c22a | 1235 | if (!h_sum) |
78f7defe ACM |
1236 | return 0; |
1237 | ||
1491c22a | 1238 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1239 | if (!notes->src->lines) |
78f7defe ACM |
1240 | return -1; |
1241 | ||
f40a0633 | 1242 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1243 | |
1244 | for (i = 0; i < len; i++) { | |
78f7defe | 1245 | u64 offset; |
1491c22a | 1246 | double percent_max = 0.0; |
78f7defe | 1247 | |
1491c22a NK |
1248 | src_line->nr_pcnt = nr_pcnt; |
1249 | ||
1250 | for (k = 0; k < nr_pcnt; k++) { | |
1251 | h = annotation__histogram(notes, evidx + k); | |
276af92f | 1252 | src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum; |
1491c22a | 1253 | |
276af92f ACM |
1254 | if (src_line->samples[k].percent > percent_max) |
1255 | percent_max = src_line->samples[k].percent; | |
1491c22a NK |
1256 | } |
1257 | ||
1258 | if (percent_max <= 0.5) | |
1259 | goto next; | |
78f7defe ACM |
1260 | |
1261 | offset = start + i; | |
85c116a6 | 1262 | src_line->path = get_srcline(map->dso, offset, NULL, false); |
1491c22a | 1263 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1264 | |
1491c22a NK |
1265 | next: |
1266 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1267 | } |
1268 | ||
41127965 | 1269 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1270 | return 0; |
1271 | } | |
1272 | ||
1273 | static void print_summary(struct rb_root *root, const char *filename) | |
1274 | { | |
1275 | struct source_line *src_line; | |
1276 | struct rb_node *node; | |
1277 | ||
1278 | printf("\nSorted summary for file %s\n", filename); | |
1279 | printf("----------------------------------------------\n\n"); | |
1280 | ||
1281 | if (RB_EMPTY_ROOT(root)) { | |
1282 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1283 | return; | |
1284 | } | |
1285 | ||
1286 | node = rb_first(root); | |
1287 | while (node) { | |
1491c22a | 1288 | double percent, percent_max = 0.0; |
78f7defe ACM |
1289 | const char *color; |
1290 | char *path; | |
1491c22a | 1291 | int i; |
78f7defe ACM |
1292 | |
1293 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a | 1294 | for (i = 0; i < src_line->nr_pcnt; i++) { |
276af92f | 1295 | percent = src_line->samples[i].percent_sum; |
1491c22a NK |
1296 | color = get_percent_color(percent); |
1297 | color_fprintf(stdout, color, " %7.2f", percent); | |
1298 | ||
1299 | if (percent > percent_max) | |
1300 | percent_max = percent; | |
1301 | } | |
1302 | ||
78f7defe | 1303 | path = src_line->path; |
1491c22a | 1304 | color = get_percent_color(percent_max); |
f048d548 | 1305 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1306 | |
78f7defe ACM |
1307 | node = rb_next(node); |
1308 | } | |
1309 | } | |
1310 | ||
db8fd07a | 1311 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1312 | { |
1313 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1314 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1315 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1316 | |
1317 | for (offset = 0; offset < len; ++offset) | |
1318 | if (h->addr[offset] != 0) | |
1319 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1320 | sym->start + offset, h->addr[offset]); | |
1321 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1322 | } | |
1323 | ||
db8fd07a NK |
1324 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1325 | struct perf_evsel *evsel, bool full_paths, | |
1326 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1327 | { |
1328 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1329 | char *filename; |
1330 | const char *d_filename; | |
9cdbadce | 1331 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1332 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1333 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1334 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1335 | int printed = 2, queue_len = 0; |
36532461 | 1336 | int more = 0; |
78f7defe | 1337 | u64 len; |
b1dd4432 | 1338 | int width = 8; |
9cdbadce | 1339 | int namelen, evsel_name_len, graph_dotted_len; |
78f7defe | 1340 | |
bfd14b9a DA |
1341 | filename = strdup(dso->long_name); |
1342 | if (!filename) | |
1343 | return -ENOMEM; | |
1344 | ||
78f7defe ACM |
1345 | if (full_paths) |
1346 | d_filename = filename; | |
1347 | else | |
1348 | d_filename = basename(filename); | |
1349 | ||
1b2e2df4 | 1350 | len = symbol__size(sym); |
b1dd4432 | 1351 | namelen = strlen(d_filename); |
9cdbadce | 1352 | evsel_name_len = strlen(evsel_name); |
b1dd4432 | 1353 | |
759ff497 | 1354 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1355 | width *= evsel->nr_members; |
78f7defe | 1356 | |
9cdbadce ACM |
1357 | printf(" %-*.*s| Source code & Disassembly of %s for %s\n", |
1358 | width, width, "Percent", d_filename, evsel_name); | |
1359 | ||
1360 | graph_dotted_len = width + namelen + evsel_name_len; | |
1361 | printf("-%-*.*s-----------------------------------------\n", | |
1362 | graph_dotted_len, graph_dotted_len, graph_dotted_line); | |
78f7defe ACM |
1363 | |
1364 | if (verbose) | |
db8fd07a | 1365 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1366 | |
ce6f4fab | 1367 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1368 | if (context && queue == NULL) { |
1369 | queue = pos; | |
1370 | queue_len = 0; | |
1371 | } | |
1372 | ||
db8fd07a | 1373 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1374 | min_pcnt, printed, max_lines, |
1375 | queue)) { | |
36532461 ACM |
1376 | case 0: |
1377 | ++printed; | |
d5e3d747 ACM |
1378 | if (context) { |
1379 | printed += queue_len; | |
1380 | queue = NULL; | |
1381 | queue_len = 0; | |
1382 | } | |
36532461 ACM |
1383 | break; |
1384 | case 1: | |
1385 | /* filtered by max_lines */ | |
1386 | ++more; | |
d040bd36 | 1387 | break; |
36532461 ACM |
1388 | case -1: |
1389 | default: | |
d5e3d747 ACM |
1390 | /* |
1391 | * Filtered by min_pcnt or non IP lines when | |
1392 | * context != 0 | |
1393 | */ | |
1394 | if (!context) | |
1395 | break; | |
1396 | if (queue_len == context) | |
1397 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1398 | else | |
1399 | ++queue_len; | |
36532461 ACM |
1400 | break; |
1401 | } | |
1402 | } | |
1403 | ||
bfd14b9a DA |
1404 | free(filename); |
1405 | ||
36532461 ACM |
1406 | return more; |
1407 | } | |
f1e2701d | 1408 | |
36532461 ACM |
1409 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1410 | { | |
1411 | struct annotation *notes = symbol__annotation(sym); | |
1412 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1413 | ||
ce6f4fab | 1414 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1415 | } |
1416 | ||
ce6f4fab | 1417 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1418 | { |
1419 | struct annotation *notes = symbol__annotation(sym); | |
1420 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1421 | int len = symbol__size(sym), offset; |
36532461 ACM |
1422 | |
1423 | h->sum = 0; | |
8b84a568 ACM |
1424 | for (offset = 0; offset < len; ++offset) { |
1425 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1426 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1427 | } |
1428 | } | |
1429 | ||
29ed6e76 | 1430 | void disasm__purge(struct list_head *head) |
f1e2701d | 1431 | { |
29ed6e76 | 1432 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1433 | |
1434 | list_for_each_entry_safe(pos, n, head, node) { | |
1435 | list_del(&pos->node); | |
29ed6e76 | 1436 | disasm_line__free(pos); |
f1e2701d ACM |
1437 | } |
1438 | } | |
1439 | ||
5145418b ACM |
1440 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1441 | { | |
1442 | size_t printed; | |
1443 | ||
1444 | if (dl->offset == -1) | |
1445 | return fprintf(fp, "%s\n", dl->line); | |
1446 | ||
1447 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); | |
1448 | ||
c7e6ead7 | 1449 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1450 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1451 | dl->ops.raw); |
5145418b ACM |
1452 | } |
1453 | ||
1454 | return printed + fprintf(fp, "\n"); | |
1455 | } | |
1456 | ||
1457 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1458 | { | |
1459 | struct disasm_line *pos; | |
1460 | size_t printed = 0; | |
1461 | ||
1462 | list_for_each_entry(pos, head, node) | |
1463 | printed += disasm_line__fprintf(pos, fp); | |
1464 | ||
1465 | return printed; | |
1466 | } | |
1467 | ||
db8fd07a NK |
1468 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1469 | struct perf_evsel *evsel, bool print_lines, | |
1470 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1471 | { |
1472 | struct dso *dso = map->dso; | |
f1e2701d | 1473 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1474 | u64 len; |
1475 | ||
ce6f4fab | 1476 | if (symbol__annotate(sym, map, 0) < 0) |
f1e2701d ACM |
1477 | return -1; |
1478 | ||
1b2e2df4 | 1479 | len = symbol__size(sym); |
f1e2701d ACM |
1480 | |
1481 | if (print_lines) { | |
86c98cab NK |
1482 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1483 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1484 | } |
1485 | ||
db8fd07a | 1486 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1487 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1488 | if (print_lines) |
1489 | symbol__free_source_line(sym, len); | |
1490 | ||
29ed6e76 | 1491 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1492 | |
78f7defe ACM |
1493 | return 0; |
1494 | } | |
f626adff ACM |
1495 | |
1496 | int hist_entry__annotate(struct hist_entry *he, size_t privsize) | |
1497 | { | |
1498 | return symbol__annotate(he->ms.sym, he->ms.map, privsize); | |
1499 | } | |
48c65bda NK |
1500 | |
1501 | bool ui__has_annotation(void) | |
1502 | { | |
1503 | return use_browser == 1 && sort__has_sym; | |
1504 | } |