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Commit | Line | Data |
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78f7defe ACM |
1 | /* |
2 | * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
3 | * | |
4 | * Parts came from builtin-annotate.c, see those files for further | |
5 | * copyright notes. | |
6 | * | |
7 | * Released under the GPL v2. (and only v2, not any later version) | |
8 | */ | |
9 | ||
10 | #include "util.h" | |
48c65bda NK |
11 | #include "ui/ui.h" |
12 | #include "sort.h" | |
78f7defe ACM |
13 | #include "build-id.h" |
14 | #include "color.h" | |
15 | #include "cache.h" | |
16 | #include "symbol.h" | |
17 | #include "debug.h" | |
18 | #include "annotate.h" | |
db8fd07a | 19 | #include "evsel.h" |
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 | ||
cfef25b8 RK |
68 | #ifdef __arm__ |
69 | if (strchr(name, '+')) | |
70 | return -1; | |
71 | #endif | |
72 | ||
d2232885 ACM |
73 | tok = strchr(name, '>'); |
74 | if (tok == NULL) | |
75 | return -1; | |
76 | ||
77 | *tok = '\0'; | |
44d1a3ed | 78 | ops->target.name = strdup(name); |
d2232885 ACM |
79 | *tok = '>'; |
80 | ||
44d1a3ed | 81 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
82 | |
83 | indirect_call: | |
e8ea1561 ACM |
84 | tok = strchr(endptr, '('); |
85 | if (tok != NULL) { | |
86 | ops->target.addr = 0; | |
87 | return 0; | |
88 | } | |
89 | ||
d2232885 ACM |
90 | tok = strchr(endptr, '*'); |
91 | if (tok == NULL) | |
92 | return -1; | |
93 | ||
44d1a3ed | 94 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
95 | return 0; |
96 | } | |
97 | ||
d2232885 | 98 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 99 | struct ins_operands *ops) |
d2232885 | 100 | { |
44d1a3ed ACM |
101 | if (ops->target.name) |
102 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 103 | |
e8ea1561 ACM |
104 | if (ops->target.addr == 0) |
105 | return ins__raw_scnprintf(ins, bf, size, ops); | |
106 | ||
44d1a3ed | 107 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
108 | } |
109 | ||
d86b0597 | 110 | static struct ins_ops call_ops = { |
d2232885 ACM |
111 | .parse = call__parse, |
112 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
113 | }; |
114 | ||
115 | bool ins__is_call(const struct ins *ins) | |
116 | { | |
117 | return ins->ops == &call_ops; | |
118 | } | |
119 | ||
c7e6ead7 | 120 | static int jump__parse(struct ins_operands *ops) |
4f9d0325 | 121 | { |
c7e6ead7 | 122 | const char *s = strchr(ops->raw, '+'); |
4f9d0325 | 123 | |
bbb7f846 | 124 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
fb29fa58 ACM |
125 | |
126 | if (s++ != NULL) | |
bbb7f846 | 127 | ops->target.offset = strtoull(s, NULL, 16); |
fb29fa58 ACM |
128 | else |
129 | ops->target.offset = UINT64_MAX; | |
4f9d0325 | 130 | |
4f9d0325 ACM |
131 | return 0; |
132 | } | |
133 | ||
c7e6ead7 | 134 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 135 | struct ins_operands *ops) |
28548d78 | 136 | { |
44d1a3ed | 137 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
138 | } |
139 | ||
4f9d0325 | 140 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
141 | .parse = jump__parse, |
142 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
143 | }; |
144 | ||
145 | bool ins__is_jump(const struct ins *ins) | |
146 | { | |
147 | return ins->ops == &jump_ops; | |
148 | } | |
149 | ||
6de783b6 ACM |
150 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
151 | { | |
152 | char *endptr, *name, *t; | |
153 | ||
154 | if (strstr(raw, "(%rip)") == NULL) | |
155 | return 0; | |
156 | ||
157 | *addrp = strtoull(comment, &endptr, 16); | |
158 | name = strchr(endptr, '<'); | |
159 | if (name == NULL) | |
160 | return -1; | |
161 | ||
162 | name++; | |
163 | ||
164 | t = strchr(name, '>'); | |
165 | if (t == NULL) | |
166 | return 0; | |
167 | ||
168 | *t = '\0'; | |
169 | *namep = strdup(name); | |
170 | *t = '>'; | |
171 | ||
172 | return 0; | |
173 | } | |
174 | ||
7a997fe4 ACM |
175 | static int lock__parse(struct ins_operands *ops) |
176 | { | |
177 | char *name; | |
178 | ||
179 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); | |
180 | if (ops->locked.ops == NULL) | |
181 | return 0; | |
182 | ||
183 | if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) | |
184 | goto out_free_ops; | |
185 | ||
2ba34aaa | 186 | ops->locked.ins = ins__find(name); |
0fb9f2aa RV |
187 | free(name); |
188 | ||
2ba34aaa NK |
189 | if (ops->locked.ins == NULL) |
190 | goto out_free_ops; | |
7a997fe4 | 191 | |
2ba34aaa NK |
192 | if (!ops->locked.ins->ops) |
193 | return 0; | |
7a997fe4 | 194 | |
be81908c RV |
195 | if (ops->locked.ins->ops->parse && |
196 | ops->locked.ins->ops->parse(ops->locked.ops) < 0) | |
197 | goto out_free_ops; | |
7a997fe4 ACM |
198 | |
199 | return 0; | |
200 | ||
201 | out_free_ops: | |
04662523 | 202 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
203 | return 0; |
204 | } | |
205 | ||
206 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
207 | struct ins_operands *ops) | |
208 | { | |
209 | int printed; | |
210 | ||
211 | if (ops->locked.ins == NULL) | |
212 | return ins__raw_scnprintf(ins, bf, size, ops); | |
213 | ||
214 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
215 | return printed + ins__scnprintf(ops->locked.ins, bf + printed, | |
216 | size - printed, ops->locked.ops); | |
217 | } | |
218 | ||
c46219ac ACM |
219 | static void lock__delete(struct ins_operands *ops) |
220 | { | |
0fb9f2aa RV |
221 | struct ins *ins = ops->locked.ins; |
222 | ||
223 | if (ins && ins->ops->free) | |
224 | ins->ops->free(ops->locked.ops); | |
225 | else | |
226 | ins__delete(ops->locked.ops); | |
227 | ||
74cf249d ACM |
228 | zfree(&ops->locked.ops); |
229 | zfree(&ops->target.raw); | |
230 | zfree(&ops->target.name); | |
c46219ac ACM |
231 | } |
232 | ||
7a997fe4 | 233 | static struct ins_ops lock_ops = { |
c46219ac | 234 | .free = lock__delete, |
7a997fe4 ACM |
235 | .parse = lock__parse, |
236 | .scnprintf = lock__scnprintf, | |
237 | }; | |
238 | ||
6de783b6 ACM |
239 | static int mov__parse(struct ins_operands *ops) |
240 | { | |
241 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
242 | ||
243 | if (s == NULL) | |
244 | return -1; | |
245 | ||
246 | *s = '\0'; | |
247 | ops->source.raw = strdup(ops->raw); | |
248 | *s = ','; | |
48000a1a | 249 | |
6de783b6 ACM |
250 | if (ops->source.raw == NULL) |
251 | return -1; | |
252 | ||
253 | target = ++s; | |
cfef25b8 RK |
254 | #ifdef __arm__ |
255 | comment = strchr(s, ';'); | |
256 | #else | |
1e2bb043 | 257 | comment = strchr(s, '#'); |
cfef25b8 | 258 | #endif |
1e2bb043 AC |
259 | |
260 | if (comment != NULL) | |
261 | s = comment - 1; | |
262 | else | |
263 | s = strchr(s, '\0') - 1; | |
6de783b6 | 264 | |
1e2bb043 AC |
265 | while (s > target && isspace(s[0])) |
266 | --s; | |
267 | s++; | |
6de783b6 ACM |
268 | prev = *s; |
269 | *s = '\0'; | |
270 | ||
271 | ops->target.raw = strdup(target); | |
272 | *s = prev; | |
273 | ||
274 | if (ops->target.raw == NULL) | |
275 | goto out_free_source; | |
276 | ||
6de783b6 ACM |
277 | if (comment == NULL) |
278 | return 0; | |
279 | ||
280 | while (comment[0] != '\0' && isspace(comment[0])) | |
281 | ++comment; | |
282 | ||
283 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); | |
284 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
285 | ||
286 | return 0; | |
287 | ||
288 | out_free_source: | |
04662523 | 289 | zfree(&ops->source.raw); |
6de783b6 ACM |
290 | return -1; |
291 | } | |
292 | ||
293 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
294 | struct ins_operands *ops) | |
295 | { | |
296 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
297 | ops->source.name ?: ops->source.raw, | |
298 | ops->target.name ?: ops->target.raw); | |
299 | } | |
300 | ||
301 | static struct ins_ops mov_ops = { | |
302 | .parse = mov__parse, | |
303 | .scnprintf = mov__scnprintf, | |
304 | }; | |
305 | ||
a43712c4 ACM |
306 | static int dec__parse(struct ins_operands *ops) |
307 | { | |
308 | char *target, *comment, *s, prev; | |
309 | ||
310 | target = s = ops->raw; | |
311 | ||
312 | while (s[0] != '\0' && !isspace(s[0])) | |
313 | ++s; | |
314 | prev = *s; | |
315 | *s = '\0'; | |
316 | ||
317 | ops->target.raw = strdup(target); | |
318 | *s = prev; | |
319 | ||
320 | if (ops->target.raw == NULL) | |
321 | return -1; | |
322 | ||
323 | comment = strchr(s, '#'); | |
324 | if (comment == NULL) | |
325 | return 0; | |
326 | ||
327 | while (comment[0] != '\0' && isspace(comment[0])) | |
328 | ++comment; | |
329 | ||
330 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
335 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
336 | struct ins_operands *ops) | |
337 | { | |
338 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
339 | ops->target.name ?: ops->target.raw); | |
340 | } | |
341 | ||
342 | static struct ins_ops dec_ops = { | |
343 | .parse = dec__parse, | |
344 | .scnprintf = dec__scnprintf, | |
345 | }; | |
346 | ||
1d037ca1 IT |
347 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
348 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
349 | { |
350 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
351 | } | |
352 | ||
353 | static struct ins_ops nop_ops = { | |
354 | .scnprintf = nop__scnprintf, | |
355 | }; | |
356 | ||
6ef94929 NR |
357 | static struct ins_ops ret_ops = { |
358 | .scnprintf = ins__raw_scnprintf, | |
359 | }; | |
360 | ||
361 | bool ins__is_ret(const struct ins *ins) | |
362 | { | |
363 | return ins->ops == &ret_ops; | |
364 | } | |
365 | ||
4f9d0325 | 366 | static struct ins instructions[] = { |
6de783b6 ACM |
367 | { .name = "add", .ops = &mov_ops, }, |
368 | { .name = "addl", .ops = &mov_ops, }, | |
369 | { .name = "addq", .ops = &mov_ops, }, | |
370 | { .name = "addw", .ops = &mov_ops, }, | |
371 | { .name = "and", .ops = &mov_ops, }, | |
cfef25b8 RK |
372 | #ifdef __arm__ |
373 | { .name = "b", .ops = &jump_ops, }, // might also be a call | |
374 | { .name = "bcc", .ops = &jump_ops, }, | |
375 | { .name = "bcs", .ops = &jump_ops, }, | |
376 | { .name = "beq", .ops = &jump_ops, }, | |
377 | { .name = "bge", .ops = &jump_ops, }, | |
378 | { .name = "bgt", .ops = &jump_ops, }, | |
379 | { .name = "bhi", .ops = &jump_ops, }, | |
380 | { .name = "bl", .ops = &call_ops, }, | |
cfef25b8 | 381 | { .name = "bls", .ops = &jump_ops, }, |
58c04001 | 382 | { .name = "blt", .ops = &jump_ops, }, |
cfef25b8 RK |
383 | { .name = "blx", .ops = &call_ops, }, |
384 | { .name = "bne", .ops = &jump_ops, }, | |
385 | #endif | |
7a997fe4 | 386 | { .name = "bts", .ops = &mov_ops, }, |
d86b0597 ACM |
387 | { .name = "call", .ops = &call_ops, }, |
388 | { .name = "callq", .ops = &call_ops, }, | |
6de783b6 ACM |
389 | { .name = "cmp", .ops = &mov_ops, }, |
390 | { .name = "cmpb", .ops = &mov_ops, }, | |
391 | { .name = "cmpl", .ops = &mov_ops, }, | |
392 | { .name = "cmpq", .ops = &mov_ops, }, | |
393 | { .name = "cmpw", .ops = &mov_ops, }, | |
394 | { .name = "cmpxch", .ops = &mov_ops, }, | |
a43712c4 ACM |
395 | { .name = "dec", .ops = &dec_ops, }, |
396 | { .name = "decl", .ops = &dec_ops, }, | |
6de783b6 | 397 | { .name = "imul", .ops = &mov_ops, }, |
a43712c4 ACM |
398 | { .name = "inc", .ops = &dec_ops, }, |
399 | { .name = "incl", .ops = &dec_ops, }, | |
4f9d0325 | 400 | { .name = "ja", .ops = &jump_ops, }, |
3f862fd0 ACM |
401 | { .name = "jae", .ops = &jump_ops, }, |
402 | { .name = "jb", .ops = &jump_ops, }, | |
403 | { .name = "jbe", .ops = &jump_ops, }, | |
404 | { .name = "jc", .ops = &jump_ops, }, | |
405 | { .name = "jcxz", .ops = &jump_ops, }, | |
4f9d0325 | 406 | { .name = "je", .ops = &jump_ops, }, |
3f862fd0 ACM |
407 | { .name = "jecxz", .ops = &jump_ops, }, |
408 | { .name = "jg", .ops = &jump_ops, }, | |
409 | { .name = "jge", .ops = &jump_ops, }, | |
410 | { .name = "jl", .ops = &jump_ops, }, | |
411 | { .name = "jle", .ops = &jump_ops, }, | |
4f9d0325 ACM |
412 | { .name = "jmp", .ops = &jump_ops, }, |
413 | { .name = "jmpq", .ops = &jump_ops, }, | |
3f862fd0 ACM |
414 | { .name = "jna", .ops = &jump_ops, }, |
415 | { .name = "jnae", .ops = &jump_ops, }, | |
416 | { .name = "jnb", .ops = &jump_ops, }, | |
417 | { .name = "jnbe", .ops = &jump_ops, }, | |
418 | { .name = "jnc", .ops = &jump_ops, }, | |
4f9d0325 | 419 | { .name = "jne", .ops = &jump_ops, }, |
3f862fd0 ACM |
420 | { .name = "jng", .ops = &jump_ops, }, |
421 | { .name = "jnge", .ops = &jump_ops, }, | |
422 | { .name = "jnl", .ops = &jump_ops, }, | |
423 | { .name = "jnle", .ops = &jump_ops, }, | |
424 | { .name = "jno", .ops = &jump_ops, }, | |
425 | { .name = "jnp", .ops = &jump_ops, }, | |
426 | { .name = "jns", .ops = &jump_ops, }, | |
427 | { .name = "jnz", .ops = &jump_ops, }, | |
428 | { .name = "jo", .ops = &jump_ops, }, | |
429 | { .name = "jp", .ops = &jump_ops, }, | |
430 | { .name = "jpe", .ops = &jump_ops, }, | |
431 | { .name = "jpo", .ops = &jump_ops, }, | |
432 | { .name = "jrcxz", .ops = &jump_ops, }, | |
4f9d0325 | 433 | { .name = "js", .ops = &jump_ops, }, |
3f862fd0 | 434 | { .name = "jz", .ops = &jump_ops, }, |
6de783b6 | 435 | { .name = "lea", .ops = &mov_ops, }, |
7a997fe4 | 436 | { .name = "lock", .ops = &lock_ops, }, |
6de783b6 ACM |
437 | { .name = "mov", .ops = &mov_ops, }, |
438 | { .name = "movb", .ops = &mov_ops, }, | |
439 | { .name = "movdqa",.ops = &mov_ops, }, | |
440 | { .name = "movl", .ops = &mov_ops, }, | |
441 | { .name = "movq", .ops = &mov_ops, }, | |
442 | { .name = "movslq", .ops = &mov_ops, }, | |
443 | { .name = "movzbl", .ops = &mov_ops, }, | |
444 | { .name = "movzwl", .ops = &mov_ops, }, | |
b9818e93 ACM |
445 | { .name = "nop", .ops = &nop_ops, }, |
446 | { .name = "nopl", .ops = &nop_ops, }, | |
447 | { .name = "nopw", .ops = &nop_ops, }, | |
6de783b6 ACM |
448 | { .name = "or", .ops = &mov_ops, }, |
449 | { .name = "orl", .ops = &mov_ops, }, | |
450 | { .name = "test", .ops = &mov_ops, }, | |
451 | { .name = "testb", .ops = &mov_ops, }, | |
452 | { .name = "testl", .ops = &mov_ops, }, | |
7a997fe4 | 453 | { .name = "xadd", .ops = &mov_ops, }, |
ffadcf09 AK |
454 | { .name = "xbeginl", .ops = &jump_ops, }, |
455 | { .name = "xbeginq", .ops = &jump_ops, }, | |
6ef94929 | 456 | { .name = "retq", .ops = &ret_ops, }, |
4f9d0325 ACM |
457 | }; |
458 | ||
7e4c1498 | 459 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
460 | { |
461 | const struct ins *ins = insp; | |
462 | ||
463 | return strcmp(name, ins->name); | |
464 | } | |
465 | ||
7e4c1498 CR |
466 | static int ins__cmp(const void *a, const void *b) |
467 | { | |
468 | const struct ins *ia = a; | |
469 | const struct ins *ib = b; | |
470 | ||
471 | return strcmp(ia->name, ib->name); | |
472 | } | |
473 | ||
474 | static void ins__sort(void) | |
475 | { | |
476 | const int nmemb = ARRAY_SIZE(instructions); | |
477 | ||
478 | qsort(instructions, nmemb, sizeof(struct ins), ins__cmp); | |
479 | } | |
480 | ||
4f9d0325 ACM |
481 | static struct ins *ins__find(const char *name) |
482 | { | |
483 | const int nmemb = ARRAY_SIZE(instructions); | |
7e4c1498 CR |
484 | static bool sorted; |
485 | ||
486 | if (!sorted) { | |
487 | ins__sort(); | |
488 | sorted = true; | |
489 | } | |
4f9d0325 | 490 | |
7e4c1498 | 491 | return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
4f9d0325 ACM |
492 | } |
493 | ||
d04b35f8 | 494 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
495 | { |
496 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 497 | const size_t size = symbol__size(sym); |
8696329b CS |
498 | size_t sizeof_sym_hist; |
499 | ||
500 | /* Check for overflow when calculating sizeof_sym_hist */ | |
501 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
502 | return -1; | |
503 | ||
504 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
505 | ||
506 | /* Check for overflow in zalloc argument */ | |
507 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
508 | / symbol_conf.nr_events) | |
509 | return -1; | |
ce6f4fab | 510 | |
d04b35f8 | 511 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
512 | if (notes->src == NULL) |
513 | return -1; | |
514 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 515 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
516 | INIT_LIST_HEAD(¬es->src->source); |
517 | return 0; | |
78f7defe ACM |
518 | } |
519 | ||
d4957633 AK |
520 | /* The cycles histogram is lazily allocated. */ |
521 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
522 | { | |
523 | struct annotation *notes = symbol__annotation(sym); | |
524 | const size_t size = symbol__size(sym); | |
525 | ||
526 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
527 | if (notes->src->cycles_hist == NULL) | |
528 | return -1; | |
529 | return 0; | |
530 | } | |
531 | ||
36532461 ACM |
532 | void symbol__annotate_zero_histograms(struct symbol *sym) |
533 | { | |
534 | struct annotation *notes = symbol__annotation(sym); | |
535 | ||
ce6f4fab | 536 | pthread_mutex_lock(¬es->lock); |
d4957633 | 537 | if (notes->src != NULL) { |
ce6f4fab ACM |
538 | memset(notes->src->histograms, 0, |
539 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
540 | if (notes->src->cycles_hist) |
541 | memset(notes->src->cycles_hist, 0, | |
542 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
543 | } | |
ce6f4fab | 544 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
545 | } |
546 | ||
d4957633 AK |
547 | static int __symbol__account_cycles(struct annotation *notes, |
548 | u64 start, | |
549 | unsigned offset, unsigned cycles, | |
550 | unsigned have_start) | |
551 | { | |
552 | struct cyc_hist *ch; | |
553 | ||
554 | ch = notes->src->cycles_hist; | |
555 | /* | |
556 | * For now we can only account one basic block per | |
557 | * final jump. But multiple could be overlapping. | |
558 | * Always account the longest one. So when | |
559 | * a shorter one has been already seen throw it away. | |
560 | * | |
561 | * We separately always account the full cycles. | |
562 | */ | |
563 | ch[offset].num_aggr++; | |
564 | ch[offset].cycles_aggr += cycles; | |
565 | ||
566 | if (!have_start && ch[offset].have_start) | |
567 | return 0; | |
568 | if (ch[offset].num) { | |
569 | if (have_start && (!ch[offset].have_start || | |
570 | ch[offset].start > start)) { | |
571 | ch[offset].have_start = 0; | |
572 | ch[offset].cycles = 0; | |
573 | ch[offset].num = 0; | |
574 | if (ch[offset].reset < 0xffff) | |
575 | ch[offset].reset++; | |
576 | } else if (have_start && | |
577 | ch[offset].start < start) | |
578 | return 0; | |
579 | } | |
580 | ch[offset].have_start = have_start; | |
581 | ch[offset].start = start; | |
582 | ch[offset].cycles += cycles; | |
583 | ch[offset].num++; | |
584 | return 0; | |
585 | } | |
586 | ||
b66d8c0c ACM |
587 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
588 | struct annotation *notes, int evidx, u64 addr) | |
78f7defe | 589 | { |
2f525d01 | 590 | unsigned offset; |
78f7defe ACM |
591 | struct sym_hist *h; |
592 | ||
78f7defe ACM |
593 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
594 | ||
e3d006ce ACM |
595 | if (addr < sym->start || addr >= sym->end) { |
596 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", | |
597 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 598 | return -ERANGE; |
e3d006ce | 599 | } |
78f7defe | 600 | |
2f525d01 ACM |
601 | offset = addr - sym->start; |
602 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
603 | h->sum++; |
604 | h->addr[offset]++; | |
605 | ||
606 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
607 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
608 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
609 | return 0; |
610 | } | |
611 | ||
d4957633 | 612 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
613 | { |
614 | struct annotation *notes = symbol__annotation(sym); | |
615 | ||
616 | if (notes->src == NULL) { | |
617 | if (symbol__alloc_hist(sym) < 0) | |
618 | return NULL; | |
619 | } | |
d4957633 AK |
620 | if (!notes->src->cycles_hist && cycles) { |
621 | if (symbol__alloc_hist_cycles(sym) < 0) | |
622 | return NULL; | |
623 | } | |
83be34a7 AK |
624 | return notes; |
625 | } | |
626 | ||
44e83039 ACM |
627 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
628 | int evidx, u64 addr) | |
b66d8c0c ACM |
629 | { |
630 | struct annotation *notes; | |
631 | ||
48c65bda | 632 | if (sym == NULL) |
b66d8c0c | 633 | return 0; |
d4957633 | 634 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
635 | if (notes == NULL) |
636 | return -ENOMEM; | |
b66d8c0c ACM |
637 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); |
638 | } | |
639 | ||
d4957633 AK |
640 | static int symbol__account_cycles(u64 addr, u64 start, |
641 | struct symbol *sym, unsigned cycles) | |
642 | { | |
643 | struct annotation *notes; | |
644 | unsigned offset; | |
645 | ||
646 | if (sym == NULL) | |
647 | return 0; | |
648 | notes = symbol__get_annotation(sym, true); | |
649 | if (notes == NULL) | |
650 | return -ENOMEM; | |
651 | if (addr < sym->start || addr >= sym->end) | |
652 | return -ERANGE; | |
653 | ||
654 | if (start) { | |
655 | if (start < sym->start || start >= sym->end) | |
656 | return -ERANGE; | |
657 | if (start >= addr) | |
658 | start = 0; | |
659 | } | |
660 | offset = addr - sym->start; | |
661 | return __symbol__account_cycles(notes, | |
662 | start ? start - sym->start : 0, | |
663 | offset, cycles, | |
664 | !!start); | |
665 | } | |
666 | ||
667 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
668 | struct addr_map_symbol *start, | |
669 | unsigned cycles) | |
670 | { | |
3d7245b0 | 671 | u64 saddr = 0; |
d4957633 AK |
672 | int err; |
673 | ||
674 | if (!cycles) | |
675 | return 0; | |
676 | ||
677 | /* | |
678 | * Only set start when IPC can be computed. We can only | |
679 | * compute it when the basic block is completely in a single | |
680 | * function. | |
681 | * Special case the case when the jump is elsewhere, but | |
682 | * it starts on the function start. | |
683 | */ | |
684 | if (start && | |
685 | (start->sym == ams->sym || | |
686 | (ams->sym && | |
687 | start->addr == ams->sym->start + ams->map->start))) | |
688 | saddr = start->al_addr; | |
689 | if (saddr == 0) | |
3d7245b0 | 690 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
691 | ams->addr, |
692 | start ? start->addr : 0, | |
693 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
694 | saddr); | |
695 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
696 | if (err) | |
697 | pr_debug2("account_cycles failed %d\n", err); | |
698 | return err; | |
699 | } | |
700 | ||
0f4e7a24 ACM |
701 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
702 | { | |
703 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
704 | } | |
705 | ||
f626adff ACM |
706 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
707 | { | |
708 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
709 | } | |
710 | ||
4f9d0325 ACM |
711 | static void disasm_line__init_ins(struct disasm_line *dl) |
712 | { | |
713 | dl->ins = ins__find(dl->name); | |
714 | ||
715 | if (dl->ins == NULL) | |
716 | return; | |
717 | ||
718 | if (!dl->ins->ops) | |
719 | return; | |
720 | ||
be81908c RV |
721 | if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0) |
722 | dl->ins = NULL; | |
4f9d0325 ACM |
723 | } |
724 | ||
7a997fe4 ACM |
725 | static int disasm_line__parse(char *line, char **namep, char **rawp) |
726 | { | |
727 | char *name = line, tmp; | |
728 | ||
729 | while (isspace(name[0])) | |
730 | ++name; | |
731 | ||
732 | if (name[0] == '\0') | |
733 | return -1; | |
734 | ||
735 | *rawp = name + 1; | |
736 | ||
737 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
738 | ++*rawp; | |
739 | ||
740 | tmp = (*rawp)[0]; | |
741 | (*rawp)[0] = '\0'; | |
742 | *namep = strdup(name); | |
743 | ||
744 | if (*namep == NULL) | |
745 | goto out_free_name; | |
746 | ||
747 | (*rawp)[0] = tmp; | |
748 | ||
749 | if ((*rawp)[0] != '\0') { | |
750 | (*rawp)++; | |
751 | while (isspace((*rawp)[0])) | |
752 | ++(*rawp); | |
753 | } | |
754 | ||
755 | return 0; | |
756 | ||
757 | out_free_name: | |
04662523 | 758 | zfree(namep); |
7a997fe4 ACM |
759 | return -1; |
760 | } | |
761 | ||
e592488c AK |
762 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
763 | size_t privsize, int line_nr) | |
78f7defe | 764 | { |
5145418b | 765 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 766 | |
29ed6e76 ACM |
767 | if (dl != NULL) { |
768 | dl->offset = offset; | |
769 | dl->line = strdup(line); | |
e592488c | 770 | dl->line_nr = line_nr; |
29ed6e76 | 771 | if (dl->line == NULL) |
058b4cc9 | 772 | goto out_delete; |
5145418b ACM |
773 | |
774 | if (offset != -1) { | |
7a997fe4 | 775 | if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0) |
5145418b ACM |
776 | goto out_free_line; |
777 | ||
4f9d0325 | 778 | disasm_line__init_ins(dl); |
5145418b | 779 | } |
78f7defe ACM |
780 | } |
781 | ||
29ed6e76 | 782 | return dl; |
5145418b ACM |
783 | |
784 | out_free_line: | |
74cf249d | 785 | zfree(&dl->line); |
058b4cc9 | 786 | out_delete: |
29ed6e76 | 787 | free(dl); |
058b4cc9 | 788 | return NULL; |
78f7defe ACM |
789 | } |
790 | ||
29ed6e76 | 791 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 792 | { |
74cf249d ACM |
793 | zfree(&dl->line); |
794 | zfree(&dl->name); | |
c46219ac ACM |
795 | if (dl->ins && dl->ins->ops->free) |
796 | dl->ins->ops->free(&dl->ops); | |
797 | else | |
798 | ins__delete(&dl->ops); | |
29ed6e76 | 799 | free(dl); |
78f7defe ACM |
800 | } |
801 | ||
5417072b ACM |
802 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
803 | { | |
804 | if (raw || !dl->ins) | |
805 | return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); | |
806 | ||
807 | return ins__scnprintf(dl->ins, bf, size, &dl->ops); | |
808 | } | |
809 | ||
29ed6e76 | 810 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
811 | { |
812 | list_add_tail(&line->node, head); | |
813 | } | |
814 | ||
29ed6e76 | 815 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
816 | { |
817 | list_for_each_entry_continue(pos, head, node) | |
818 | if (pos->offset >= 0) | |
819 | return pos; | |
820 | ||
821 | return NULL; | |
822 | } | |
823 | ||
e64aa75b | 824 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
0c4a5bce | 825 | s64 end, const char **path, u64 *nr_samples) |
e5ccf9f4 NK |
826 | { |
827 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 | 828 | double percent = 0.0; |
0c4a5bce | 829 | *nr_samples = 0; |
e5ccf9f4 | 830 | |
bd64fcb8 | 831 | if (src_line) { |
1491c22a | 832 | size_t sizeof_src_line = sizeof(*src_line) + |
276af92f | 833 | sizeof(src_line->samples) * (src_line->nr_pcnt - 1); |
1491c22a | 834 | |
bd64fcb8 | 835 | while (offset < end) { |
1491c22a NK |
836 | src_line = (void *)notes->src->lines + |
837 | (sizeof_src_line * offset); | |
838 | ||
e5ccf9f4 | 839 | if (*path == NULL) |
1491c22a | 840 | *path = src_line->path; |
e5ccf9f4 | 841 | |
276af92f ACM |
842 | percent += src_line->samples[evidx].percent; |
843 | *nr_samples += src_line->samples[evidx].nr; | |
1491c22a | 844 | offset++; |
bd64fcb8 NK |
845 | } |
846 | } else { | |
1491c22a NK |
847 | struct sym_hist *h = annotation__histogram(notes, evidx); |
848 | unsigned int hits = 0; | |
849 | ||
bd64fcb8 NK |
850 | while (offset < end) |
851 | hits += h->addr[offset++]; | |
e5ccf9f4 | 852 | |
0c4a5bce ML |
853 | if (h->sum) { |
854 | *nr_samples = hits; | |
bd64fcb8 | 855 | percent = 100.0 * hits / h->sum; |
0c4a5bce | 856 | } |
bd64fcb8 | 857 | } |
e5ccf9f4 NK |
858 | |
859 | return percent; | |
860 | } | |
861 | ||
29ed6e76 | 862 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 863 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 864 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
865 | { |
866 | static const char *prev_line; | |
867 | static const char *prev_color; | |
868 | ||
29ed6e76 | 869 | if (dl->offset != -1) { |
78f7defe | 870 | const char *path = NULL; |
0c4a5bce | 871 | u64 nr_samples; |
b1dd4432 NK |
872 | double percent, max_percent = 0.0; |
873 | double *ppercents = &percent; | |
0c4a5bce | 874 | u64 *psamples = &nr_samples; |
b1dd4432 | 875 | int i, nr_percent = 1; |
78f7defe ACM |
876 | const char *color; |
877 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 878 | s64 offset = dl->offset; |
058b4cc9 | 879 | const u64 addr = start + offset; |
29ed6e76 | 880 | struct disasm_line *next; |
ce6f4fab | 881 | |
29ed6e76 | 882 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 883 | |
759ff497 | 884 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
885 | nr_percent = evsel->nr_members; |
886 | ppercents = calloc(nr_percent, sizeof(double)); | |
0c4a5bce ML |
887 | psamples = calloc(nr_percent, sizeof(u64)); |
888 | if (ppercents == NULL || psamples == NULL) { | |
b1dd4432 | 889 | return -1; |
0c4a5bce | 890 | } |
b1dd4432 NK |
891 | } |
892 | ||
893 | for (i = 0; i < nr_percent; i++) { | |
894 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
895 | notes->src->lines ? i : evsel->idx + i, |
896 | offset, | |
897 | next ? next->offset : (s64) len, | |
0c4a5bce | 898 | &path, &nr_samples); |
b1dd4432 NK |
899 | |
900 | ppercents[i] = percent; | |
0c4a5bce | 901 | psamples[i] = nr_samples; |
b1dd4432 NK |
902 | if (percent > max_percent) |
903 | max_percent = percent; | |
904 | } | |
905 | ||
906 | if (max_percent < min_pcnt) | |
36532461 ACM |
907 | return -1; |
908 | ||
e3087b80 | 909 | if (max_lines && printed >= max_lines) |
36532461 | 910 | return 1; |
d040bd36 | 911 | |
d5e3d747 ACM |
912 | if (queue != NULL) { |
913 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 914 | if (queue == dl) |
d5e3d747 | 915 | break; |
db8fd07a | 916 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
917 | 0, 0, 1, NULL); |
918 | } | |
919 | } | |
920 | ||
b1dd4432 | 921 | color = get_percent_color(max_percent); |
78f7defe ACM |
922 | |
923 | /* | |
924 | * Also color the filename and line if needed, with | |
925 | * the same color than the percentage. Don't print it | |
926 | * twice for close colored addr with the same filename:line | |
927 | */ | |
928 | if (path) { | |
929 | if (!prev_line || strcmp(prev_line, path) | |
930 | || color != prev_color) { | |
931 | color_fprintf(stdout, color, " %s", path); | |
932 | prev_line = path; | |
933 | prev_color = color; | |
934 | } | |
935 | } | |
936 | ||
b1dd4432 NK |
937 | for (i = 0; i < nr_percent; i++) { |
938 | percent = ppercents[i]; | |
0c4a5bce | 939 | nr_samples = psamples[i]; |
b1dd4432 | 940 | color = get_percent_color(percent); |
0c4a5bce ML |
941 | |
942 | if (symbol_conf.show_total_period) | |
943 | color_fprintf(stdout, color, " %7" PRIu64, | |
944 | nr_samples); | |
945 | else | |
946 | color_fprintf(stdout, color, " %7.2f", percent); | |
b1dd4432 NK |
947 | } |
948 | ||
78f7defe | 949 | printf(" : "); |
058b4cc9 | 950 | color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); |
29ed6e76 | 951 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); |
b1dd4432 NK |
952 | |
953 | if (ppercents != &percent) | |
954 | free(ppercents); | |
955 | ||
0c4a5bce ML |
956 | if (psamples != &nr_samples) |
957 | free(psamples); | |
958 | ||
e3087b80 | 959 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
960 | return 1; |
961 | else { | |
b1dd4432 NK |
962 | int width = 8; |
963 | ||
d5e3d747 ACM |
964 | if (queue) |
965 | return -1; | |
966 | ||
759ff497 | 967 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
968 | width *= evsel->nr_members; |
969 | ||
29ed6e76 | 970 | if (!*dl->line) |
b1dd4432 | 971 | printf(" %*s:\n", width, " "); |
78f7defe | 972 | else |
b1dd4432 | 973 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 974 | } |
36532461 ACM |
975 | |
976 | return 0; | |
78f7defe ACM |
977 | } |
978 | ||
3aec150a NK |
979 | /* |
980 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
981 | * which looks like following | |
982 | * | |
983 | * 0000000000415500 <_init>: | |
984 | * 415500: sub $0x8,%rsp | |
985 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
986 | * 41550b: test %rax,%rax | |
987 | * 41550e: je 415515 <_init+0x15> | |
988 | * 415510: callq 416e70 <__gmon_start__@plt> | |
989 | * 415515: add $0x8,%rsp | |
990 | * 415519: retq | |
991 | * | |
992 | * it will be parsed and saved into struct disasm_line as | |
993 | * <offset> <name> <ops.raw> | |
994 | * | |
995 | * The offset will be a relative offset from the start of the symbol and -1 | |
996 | * means that it's not a disassembly line so should be treated differently. | |
997 | * The ops.raw part will be parsed further according to type of the instruction. | |
998 | */ | |
ce6f4fab | 999 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
e592488c AK |
1000 | FILE *file, size_t privsize, |
1001 | int *line_nr) | |
78f7defe | 1002 | { |
ce6f4fab | 1003 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1004 | struct disasm_line *dl; |
058b4cc9 | 1005 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
1006 | size_t line_len; |
1007 | s64 line_ip, offset = -1; | |
e592488c | 1008 | regmatch_t match[2]; |
78f7defe ACM |
1009 | |
1010 | if (getline(&line, &line_len, file) < 0) | |
1011 | return -1; | |
1012 | ||
1013 | if (!line) | |
1014 | return -1; | |
1015 | ||
1016 | while (line_len != 0 && isspace(line[line_len - 1])) | |
1017 | line[--line_len] = '\0'; | |
1018 | ||
1019 | c = strchr(line, '\n'); | |
1020 | if (c) | |
1021 | *c = 0; | |
1022 | ||
1023 | line_ip = -1; | |
a31b7cc0 | 1024 | parsed_line = line; |
78f7defe | 1025 | |
e592488c AK |
1026 | /* /filename:linenr ? Save line number and ignore. */ |
1027 | if (regexec(&file_lineno, line, 2, match, 0) == 0) { | |
1028 | *line_nr = atoi(line + match[1].rm_so); | |
1029 | return 0; | |
1030 | } | |
1031 | ||
78f7defe ACM |
1032 | /* |
1033 | * Strip leading spaces: | |
1034 | */ | |
1035 | tmp = line; | |
1036 | while (*tmp) { | |
1037 | if (*tmp != ' ') | |
1038 | break; | |
1039 | tmp++; | |
1040 | } | |
1041 | ||
1042 | if (*tmp) { | |
1043 | /* | |
1044 | * Parse hexa addresses followed by ':' | |
1045 | */ | |
1046 | line_ip = strtoull(tmp, &tmp2, 16); | |
1047 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1048 | line_ip = -1; | |
1049 | } | |
1050 | ||
1051 | if (line_ip != -1) { | |
1052 | u64 start = map__rip_2objdump(map, sym->start), | |
1053 | end = map__rip_2objdump(map, sym->end); | |
1054 | ||
1055 | offset = line_ip - start; | |
2c241bd3 | 1056 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1057 | offset = -1; |
058b4cc9 ACM |
1058 | else |
1059 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1060 | } |
78f7defe | 1061 | |
e592488c | 1062 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr); |
058b4cc9 | 1063 | free(line); |
e592488c | 1064 | (*line_nr)++; |
058b4cc9 | 1065 | |
29ed6e76 | 1066 | if (dl == NULL) |
78f7defe | 1067 | return -1; |
058b4cc9 | 1068 | |
bbb7f846 AH |
1069 | if (dl->ops.target.offset == UINT64_MAX) |
1070 | dl->ops.target.offset = dl->ops.target.addr - | |
1071 | map__rip_2objdump(map, sym->start); | |
1072 | ||
6e427ab0 | 1073 | /* kcore has no symbols, so add the call target name */ |
b178170a | 1074 | if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
1075 | struct addr_map_symbol target = { |
1076 | .map = map, | |
1077 | .addr = dl->ops.target.addr, | |
1078 | }; | |
1079 | ||
1080 | if (!map_groups__find_ams(&target, NULL) && | |
1081 | target.sym->start == target.al_addr) | |
1082 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
1083 | } |
1084 | ||
29ed6e76 | 1085 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
1086 | |
1087 | return 0; | |
1088 | } | |
1089 | ||
e592488c AK |
1090 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1091 | { | |
1092 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1093 | } | |
1094 | ||
484a5e74 AH |
1095 | static void delete_last_nop(struct symbol *sym) |
1096 | { | |
1097 | struct annotation *notes = symbol__annotation(sym); | |
1098 | struct list_head *list = ¬es->src->source; | |
1099 | struct disasm_line *dl; | |
1100 | ||
1101 | while (!list_empty(list)) { | |
1102 | dl = list_entry(list->prev, struct disasm_line, node); | |
1103 | ||
1104 | if (dl->ins && dl->ins->ops) { | |
1105 | if (dl->ins->ops != &nop_ops) | |
1106 | return; | |
1107 | } else { | |
1108 | if (!strstr(dl->line, " nop ") && | |
1109 | !strstr(dl->line, " nopl ") && | |
1110 | !strstr(dl->line, " nopw ")) | |
1111 | return; | |
1112 | } | |
1113 | ||
1114 | list_del(&dl->node); | |
1115 | disasm_line__free(dl); | |
1116 | } | |
1117 | } | |
1118 | ||
ee51d851 ACM |
1119 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1120 | int errnum, char *buf, size_t buflen) | |
1121 | { | |
1122 | struct dso *dso = map->dso; | |
1123 | ||
1124 | BUG_ON(buflen == 0); | |
1125 | ||
1126 | if (errnum >= 0) { | |
1127 | str_error_r(errnum, buf, buflen); | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | switch (errnum) { | |
1132 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1133 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1134 | char *build_id_msg = NULL; | |
1135 | ||
1136 | if (dso->has_build_id) { | |
1137 | build_id__sprintf(dso->build_id, | |
1138 | sizeof(dso->build_id), bf + 15); | |
1139 | build_id_msg = bf; | |
1140 | } | |
1141 | scnprintf(buf, buflen, | |
1142 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1143 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1144 | "Please use:\n\n" | |
1145 | " perf buildid-cache -vu vmlinux\n\n" | |
1146 | "or:\n\n" | |
1147 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1148 | } | |
1149 | break; | |
1150 | default: | |
1151 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1152 | break; | |
1153 | } | |
1154 | ||
1155 | return 0; | |
1156 | } | |
1157 | ||
05ed3ac9 | 1158 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1159 | { |
05ed3ac9 ACM |
1160 | char linkname[PATH_MAX]; |
1161 | char *build_id_filename; | |
78f7defe | 1162 | |
c12944f7 ACM |
1163 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1164 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1165 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1166 | |
05ed3ac9 ACM |
1167 | build_id_filename = dso__build_id_filename(dso, NULL, 0); |
1168 | if (build_id_filename) { | |
1169 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1170 | free(build_id_filename); | |
3caee094 | 1171 | } else { |
ee51d851 ACM |
1172 | if (dso->has_build_id) |
1173 | return ENOMEM; | |
78f7defe | 1174 | goto fallback; |
3caee094 ACM |
1175 | } |
1176 | ||
1177 | if (dso__is_kcore(dso) || | |
05ed3ac9 ACM |
1178 | readlink(filename, linkname, sizeof(linkname)) < 0 || |
1179 | strstr(linkname, DSO__NAME_KALLSYMS) || | |
1180 | access(filename, R_OK)) { | |
78f7defe ACM |
1181 | fallback: |
1182 | /* | |
1183 | * If we don't have build-ids or the build-id file isn't in the | |
1184 | * cache, or is just a kallsyms file, well, lets hope that this | |
1185 | * DSO is the same as when 'perf record' ran. | |
1186 | */ | |
05ed3ac9 | 1187 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1188 | } |
1189 | ||
05ed3ac9 ACM |
1190 | return 0; |
1191 | } | |
1192 | ||
1193 | int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize) | |
1194 | { | |
1195 | struct dso *dso = map->dso; | |
1196 | char command[PATH_MAX * 2]; | |
1197 | FILE *file; | |
1198 | char symfs_filename[PATH_MAX]; | |
1199 | struct kcore_extract kce; | |
1200 | bool delete_extract = false; | |
1201 | int stdout_fd[2]; | |
1202 | int lineno = 0; | |
1203 | int nline; | |
1204 | pid_t pid; | |
1205 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1206 | ||
1207 | if (err) | |
1208 | return err; | |
1209 | ||
78f7defe | 1210 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1211 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1212 | map->unmap_ip(map, sym->end)); |
1213 | ||
78f7defe ACM |
1214 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1215 | dso, dso->long_name, sym, sym->name); | |
1216 | ||
afba19d9 AH |
1217 | if (dso__is_kcore(dso)) { |
1218 | kce.kcore_filename = symfs_filename; | |
1219 | kce.addr = map__rip_2objdump(map, sym->start); | |
1220 | kce.offs = sym->start; | |
2c241bd3 | 1221 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1222 | if (!kcore_extract__create(&kce)) { |
1223 | delete_extract = true; | |
1224 | strlcpy(symfs_filename, kce.extract_filename, | |
1225 | sizeof(symfs_filename)); | |
afba19d9 | 1226 | } |
2c7da8c5 JO |
1227 | } else if (dso__needs_decompress(dso)) { |
1228 | char tmp[PATH_MAX]; | |
1229 | struct kmod_path m; | |
1230 | int fd; | |
1231 | bool ret; | |
1232 | ||
1233 | if (kmod_path__parse_ext(&m, symfs_filename)) | |
3caee094 | 1234 | goto out; |
2c7da8c5 JO |
1235 | |
1236 | snprintf(tmp, PATH_MAX, "/tmp/perf-kmod-XXXXXX"); | |
1237 | ||
1238 | fd = mkstemp(tmp); | |
1239 | if (fd < 0) { | |
1240 | free(m.ext); | |
3caee094 | 1241 | goto out; |
2c7da8c5 JO |
1242 | } |
1243 | ||
1244 | ret = decompress_to_file(m.ext, symfs_filename, fd); | |
1245 | ||
62ec9b3f AK |
1246 | if (ret) |
1247 | pr_err("Cannot decompress %s %s\n", m.ext, symfs_filename); | |
1248 | ||
2c7da8c5 JO |
1249 | free(m.ext); |
1250 | close(fd); | |
1251 | ||
1252 | if (!ret) | |
3caee094 | 1253 | goto out; |
2c7da8c5 JO |
1254 | |
1255 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1256 | } |
1257 | ||
78f7defe | 1258 | snprintf(command, sizeof(command), |
7a4ec938 | 1259 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1260 | " --stop-address=0x%016" PRIx64 |
e592488c | 1261 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 1262 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1263 | disassembler_style ? "-M " : "", |
1264 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1265 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1266 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1267 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1268 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1269 | symfs_filename, symfs_filename); |
78f7defe ACM |
1270 | |
1271 | pr_debug("Executing: %s\n", command); | |
1272 | ||
9955d0be ACM |
1273 | err = -1; |
1274 | if (pipe(stdout_fd) < 0) { | |
1275 | pr_err("Failure creating the pipe to run %s\n", command); | |
1276 | goto out_remove_tmp; | |
1277 | } | |
1278 | ||
1279 | pid = fork(); | |
1280 | if (pid < 0) { | |
1281 | pr_err("Failure forking to run %s\n", command); | |
1282 | goto out_close_stdout; | |
1283 | } | |
1284 | ||
1285 | if (pid == 0) { | |
1286 | close(stdout_fd[0]); | |
1287 | dup2(stdout_fd[1], 1); | |
1288 | close(stdout_fd[1]); | |
1289 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1290 | perror(command); | |
1291 | exit(-1); | |
1292 | } | |
1293 | ||
1294 | close(stdout_fd[1]); | |
1295 | ||
1296 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1297 | if (!file) { |
9955d0be | 1298 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1299 | /* |
1300 | * If we were using debug info should retry with | |
1301 | * original binary. | |
1302 | */ | |
2c7da8c5 | 1303 | goto out_remove_tmp; |
62ec9b3f | 1304 | } |
78f7defe | 1305 | |
62ec9b3f AK |
1306 | nline = 0; |
1307 | while (!feof(file)) { | |
e592488c AK |
1308 | if (symbol__parse_objdump_line(sym, map, file, privsize, |
1309 | &lineno) < 0) | |
78f7defe | 1310 | break; |
62ec9b3f AK |
1311 | nline++; |
1312 | } | |
1313 | ||
1314 | if (nline == 0) | |
1315 | pr_err("No output from %s\n", command); | |
78f7defe | 1316 | |
484a5e74 AH |
1317 | /* |
1318 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1319 | * Remove it. | |
1320 | */ | |
1321 | if (dso__is_kcore(dso)) | |
1322 | delete_last_nop(sym); | |
1323 | ||
9955d0be ACM |
1324 | fclose(file); |
1325 | err = 0; | |
2c7da8c5 | 1326 | out_remove_tmp: |
9955d0be ACM |
1327 | close(stdout_fd[0]); |
1328 | ||
2c7da8c5 JO |
1329 | if (dso__needs_decompress(dso)) |
1330 | unlink(symfs_filename); | |
3caee094 | 1331 | |
afba19d9 AH |
1332 | if (delete_extract) |
1333 | kcore_extract__delete(&kce); | |
c12944f7 | 1334 | out: |
78f7defe | 1335 | return err; |
9955d0be ACM |
1336 | |
1337 | out_close_stdout: | |
1338 | close(stdout_fd[1]); | |
1339 | goto out_remove_tmp; | |
78f7defe ACM |
1340 | } |
1341 | ||
1342 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1343 | { | |
1344 | struct source_line *iter; | |
1345 | struct rb_node **p = &root->rb_node; | |
1346 | struct rb_node *parent = NULL; | |
1491c22a | 1347 | int i, ret; |
78f7defe ACM |
1348 | |
1349 | while (*p != NULL) { | |
1350 | parent = *p; | |
1351 | iter = rb_entry(parent, struct source_line, node); | |
1352 | ||
41127965 NK |
1353 | ret = strcmp(iter->path, src_line->path); |
1354 | if (ret == 0) { | |
1491c22a | 1355 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1356 | iter->samples[i].percent_sum += src_line->samples[i].percent; |
41127965 NK |
1357 | return; |
1358 | } | |
1359 | ||
1360 | if (ret < 0) | |
1361 | p = &(*p)->rb_left; | |
1362 | else | |
1363 | p = &(*p)->rb_right; | |
1364 | } | |
1365 | ||
1491c22a | 1366 | for (i = 0; i < src_line->nr_pcnt; i++) |
276af92f | 1367 | src_line->samples[i].percent_sum = src_line->samples[i].percent; |
41127965 NK |
1368 | |
1369 | rb_link_node(&src_line->node, parent, p); | |
1370 | rb_insert_color(&src_line->node, root); | |
1371 | } | |
1372 | ||
1491c22a NK |
1373 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1374 | { | |
1375 | int i; | |
1376 | ||
1377 | for (i = 0; i < a->nr_pcnt; i++) { | |
276af92f | 1378 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1379 | continue; |
276af92f | 1380 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1381 | } |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
41127965 NK |
1386 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1387 | { | |
1388 | struct source_line *iter; | |
1389 | struct rb_node **p = &root->rb_node; | |
1390 | struct rb_node *parent = NULL; | |
1391 | ||
1392 | while (*p != NULL) { | |
1393 | parent = *p; | |
1394 | iter = rb_entry(parent, struct source_line, node); | |
1395 | ||
1491c22a | 1396 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1397 | p = &(*p)->rb_left; |
1398 | else | |
1399 | p = &(*p)->rb_right; | |
1400 | } | |
1401 | ||
1402 | rb_link_node(&src_line->node, parent, p); | |
1403 | rb_insert_color(&src_line->node, root); | |
1404 | } | |
1405 | ||
41127965 NK |
1406 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1407 | { | |
1408 | struct source_line *src_line; | |
1409 | struct rb_node *node; | |
1410 | ||
1411 | node = rb_first(src_root); | |
1412 | while (node) { | |
1413 | struct rb_node *next; | |
1414 | ||
1415 | src_line = rb_entry(node, struct source_line, node); | |
1416 | next = rb_next(node); | |
1417 | rb_erase(node, src_root); | |
1418 | ||
1419 | __resort_source_line(dest_root, src_line); | |
1420 | node = next; | |
1421 | } | |
1422 | } | |
1423 | ||
78f7defe ACM |
1424 | static void symbol__free_source_line(struct symbol *sym, int len) |
1425 | { | |
1426 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1427 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1428 | size_t sizeof_src_line; |
78f7defe ACM |
1429 | int i; |
1430 | ||
1491c22a | 1431 | sizeof_src_line = sizeof(*src_line) + |
276af92f | 1432 | (sizeof(src_line->samples) * (src_line->nr_pcnt - 1)); |
78f7defe | 1433 | |
1491c22a | 1434 | for (i = 0; i < len; i++) { |
f048d548 | 1435 | free_srcline(src_line->path); |
1491c22a NK |
1436 | src_line = (void *)src_line + sizeof_src_line; |
1437 | } | |
1438 | ||
04662523 | 1439 | zfree(¬es->src->lines); |
78f7defe ACM |
1440 | } |
1441 | ||
1442 | /* Get the filename:line for the colored entries */ | |
1443 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1444 | struct perf_evsel *evsel, |
86c98cab | 1445 | struct rb_root *root, int len) |
78f7defe ACM |
1446 | { |
1447 | u64 start; | |
1491c22a NK |
1448 | int i, k; |
1449 | int evidx = evsel->idx; | |
78f7defe ACM |
1450 | struct source_line *src_line; |
1451 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1452 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1453 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1454 | int nr_pcnt = 1; |
1455 | u64 h_sum = h->sum; | |
1456 | size_t sizeof_src_line = sizeof(struct source_line); | |
1457 | ||
1458 | if (perf_evsel__is_group_event(evsel)) { | |
1459 | for (i = 1; i < evsel->nr_members; i++) { | |
1460 | h = annotation__histogram(notes, evidx + i); | |
1461 | h_sum += h->sum; | |
1462 | } | |
1463 | nr_pcnt = evsel->nr_members; | |
276af92f | 1464 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->samples); |
1491c22a | 1465 | } |
78f7defe | 1466 | |
1491c22a | 1467 | if (!h_sum) |
78f7defe ACM |
1468 | return 0; |
1469 | ||
1491c22a | 1470 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1471 | if (!notes->src->lines) |
78f7defe ACM |
1472 | return -1; |
1473 | ||
f40a0633 | 1474 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1475 | |
1476 | for (i = 0; i < len; i++) { | |
78f7defe | 1477 | u64 offset; |
1491c22a | 1478 | double percent_max = 0.0; |
78f7defe | 1479 | |
1491c22a NK |
1480 | src_line->nr_pcnt = nr_pcnt; |
1481 | ||
1482 | for (k = 0; k < nr_pcnt; k++) { | |
1483 | h = annotation__histogram(notes, evidx + k); | |
276af92f | 1484 | src_line->samples[k].percent = 100.0 * h->addr[i] / h->sum; |
1491c22a | 1485 | |
276af92f ACM |
1486 | if (src_line->samples[k].percent > percent_max) |
1487 | percent_max = src_line->samples[k].percent; | |
1491c22a NK |
1488 | } |
1489 | ||
1490 | if (percent_max <= 0.5) | |
1491 | goto next; | |
78f7defe ACM |
1492 | |
1493 | offset = start + i; | |
85c116a6 | 1494 | src_line->path = get_srcline(map->dso, offset, NULL, false); |
1491c22a | 1495 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1496 | |
1491c22a NK |
1497 | next: |
1498 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1499 | } |
1500 | ||
41127965 | 1501 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1502 | return 0; |
1503 | } | |
1504 | ||
1505 | static void print_summary(struct rb_root *root, const char *filename) | |
1506 | { | |
1507 | struct source_line *src_line; | |
1508 | struct rb_node *node; | |
1509 | ||
1510 | printf("\nSorted summary for file %s\n", filename); | |
1511 | printf("----------------------------------------------\n\n"); | |
1512 | ||
1513 | if (RB_EMPTY_ROOT(root)) { | |
1514 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1515 | return; | |
1516 | } | |
1517 | ||
1518 | node = rb_first(root); | |
1519 | while (node) { | |
1491c22a | 1520 | double percent, percent_max = 0.0; |
78f7defe ACM |
1521 | const char *color; |
1522 | char *path; | |
1491c22a | 1523 | int i; |
78f7defe ACM |
1524 | |
1525 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a | 1526 | for (i = 0; i < src_line->nr_pcnt; i++) { |
276af92f | 1527 | percent = src_line->samples[i].percent_sum; |
1491c22a NK |
1528 | color = get_percent_color(percent); |
1529 | color_fprintf(stdout, color, " %7.2f", percent); | |
1530 | ||
1531 | if (percent > percent_max) | |
1532 | percent_max = percent; | |
1533 | } | |
1534 | ||
78f7defe | 1535 | path = src_line->path; |
1491c22a | 1536 | color = get_percent_color(percent_max); |
f048d548 | 1537 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1538 | |
78f7defe ACM |
1539 | node = rb_next(node); |
1540 | } | |
1541 | } | |
1542 | ||
db8fd07a | 1543 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1544 | { |
1545 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1546 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1547 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1548 | |
1549 | for (offset = 0; offset < len; ++offset) | |
1550 | if (h->addr[offset] != 0) | |
1551 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1552 | sym->start + offset, h->addr[offset]); | |
1553 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1554 | } | |
1555 | ||
db8fd07a NK |
1556 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1557 | struct perf_evsel *evsel, bool full_paths, | |
1558 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1559 | { |
1560 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1561 | char *filename; |
1562 | const char *d_filename; | |
9cdbadce | 1563 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1564 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1565 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
29ed6e76 | 1566 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1567 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1568 | int printed = 2, queue_len = 0; |
36532461 | 1569 | int more = 0; |
78f7defe | 1570 | u64 len; |
b1dd4432 | 1571 | int width = 8; |
53dd9b5f | 1572 | int graph_dotted_len; |
78f7defe | 1573 | |
bfd14b9a DA |
1574 | filename = strdup(dso->long_name); |
1575 | if (!filename) | |
1576 | return -ENOMEM; | |
1577 | ||
78f7defe ACM |
1578 | if (full_paths) |
1579 | d_filename = filename; | |
1580 | else | |
1581 | d_filename = basename(filename); | |
1582 | ||
1b2e2df4 | 1583 | len = symbol__size(sym); |
b1dd4432 | 1584 | |
759ff497 | 1585 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1586 | width *= evsel->nr_members; |
78f7defe | 1587 | |
135cce1b PZI |
1588 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1589 | width, width, "Percent", d_filename, evsel_name, h->sum); | |
9cdbadce | 1590 | |
53dd9b5f | 1591 | printf("%-*.*s----\n", |
9cdbadce | 1592 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe ACM |
1593 | |
1594 | if (verbose) | |
db8fd07a | 1595 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1596 | |
ce6f4fab | 1597 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1598 | if (context && queue == NULL) { |
1599 | queue = pos; | |
1600 | queue_len = 0; | |
1601 | } | |
1602 | ||
db8fd07a | 1603 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1604 | min_pcnt, printed, max_lines, |
1605 | queue)) { | |
36532461 ACM |
1606 | case 0: |
1607 | ++printed; | |
d5e3d747 ACM |
1608 | if (context) { |
1609 | printed += queue_len; | |
1610 | queue = NULL; | |
1611 | queue_len = 0; | |
1612 | } | |
36532461 ACM |
1613 | break; |
1614 | case 1: | |
1615 | /* filtered by max_lines */ | |
1616 | ++more; | |
d040bd36 | 1617 | break; |
36532461 ACM |
1618 | case -1: |
1619 | default: | |
d5e3d747 ACM |
1620 | /* |
1621 | * Filtered by min_pcnt or non IP lines when | |
1622 | * context != 0 | |
1623 | */ | |
1624 | if (!context) | |
1625 | break; | |
1626 | if (queue_len == context) | |
1627 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1628 | else | |
1629 | ++queue_len; | |
36532461 ACM |
1630 | break; |
1631 | } | |
1632 | } | |
1633 | ||
bfd14b9a DA |
1634 | free(filename); |
1635 | ||
36532461 ACM |
1636 | return more; |
1637 | } | |
f1e2701d | 1638 | |
36532461 ACM |
1639 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1640 | { | |
1641 | struct annotation *notes = symbol__annotation(sym); | |
1642 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1643 | ||
ce6f4fab | 1644 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1645 | } |
1646 | ||
ce6f4fab | 1647 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1648 | { |
1649 | struct annotation *notes = symbol__annotation(sym); | |
1650 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1651 | int len = symbol__size(sym), offset; |
36532461 ACM |
1652 | |
1653 | h->sum = 0; | |
8b84a568 ACM |
1654 | for (offset = 0; offset < len; ++offset) { |
1655 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1656 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1657 | } |
1658 | } | |
1659 | ||
29ed6e76 | 1660 | void disasm__purge(struct list_head *head) |
f1e2701d | 1661 | { |
29ed6e76 | 1662 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1663 | |
1664 | list_for_each_entry_safe(pos, n, head, node) { | |
1665 | list_del(&pos->node); | |
29ed6e76 | 1666 | disasm_line__free(pos); |
f1e2701d ACM |
1667 | } |
1668 | } | |
1669 | ||
5145418b ACM |
1670 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1671 | { | |
1672 | size_t printed; | |
1673 | ||
1674 | if (dl->offset == -1) | |
1675 | return fprintf(fp, "%s\n", dl->line); | |
1676 | ||
1677 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); | |
1678 | ||
c7e6ead7 | 1679 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1680 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1681 | dl->ops.raw); |
5145418b ACM |
1682 | } |
1683 | ||
1684 | return printed + fprintf(fp, "\n"); | |
1685 | } | |
1686 | ||
1687 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1688 | { | |
1689 | struct disasm_line *pos; | |
1690 | size_t printed = 0; | |
1691 | ||
1692 | list_for_each_entry(pos, head, node) | |
1693 | printed += disasm_line__fprintf(pos, fp); | |
1694 | ||
1695 | return printed; | |
1696 | } | |
1697 | ||
db8fd07a NK |
1698 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1699 | struct perf_evsel *evsel, bool print_lines, | |
1700 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1701 | { |
1702 | struct dso *dso = map->dso; | |
f1e2701d | 1703 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1704 | u64 len; |
1705 | ||
5cb725a9 | 1706 | if (symbol__disassemble(sym, map, 0) < 0) |
f1e2701d ACM |
1707 | return -1; |
1708 | ||
1b2e2df4 | 1709 | len = symbol__size(sym); |
f1e2701d ACM |
1710 | |
1711 | if (print_lines) { | |
4a4c03c1 | 1712 | srcline_full_filename = full_paths; |
86c98cab NK |
1713 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1714 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1715 | } |
1716 | ||
db8fd07a | 1717 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1718 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1719 | if (print_lines) |
1720 | symbol__free_source_line(sym, len); | |
1721 | ||
29ed6e76 | 1722 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1723 | |
78f7defe ACM |
1724 | return 0; |
1725 | } | |
f626adff | 1726 | |
48c65bda NK |
1727 | bool ui__has_annotation(void) |
1728 | { | |
2e0453af | 1729 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 1730 | } |