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 | ||
44e83039 ACM |
509 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
510 | int evidx, u64 addr) | |
b66d8c0c ACM |
511 | { |
512 | struct annotation *notes; | |
513 | ||
48c65bda | 514 | if (sym == NULL) |
b66d8c0c ACM |
515 | return 0; |
516 | ||
517 | notes = symbol__annotation(sym); | |
518 | if (notes->src == NULL) { | |
519 | if (symbol__alloc_hist(sym) < 0) | |
520 | return -ENOMEM; | |
521 | } | |
522 | ||
523 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr); | |
524 | } | |
525 | ||
0f4e7a24 ACM |
526 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, int evidx) |
527 | { | |
528 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr); | |
529 | } | |
530 | ||
f626adff ACM |
531 | int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) |
532 | { | |
533 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); | |
534 | } | |
535 | ||
4f9d0325 ACM |
536 | static void disasm_line__init_ins(struct disasm_line *dl) |
537 | { | |
538 | dl->ins = ins__find(dl->name); | |
539 | ||
540 | if (dl->ins == NULL) | |
541 | return; | |
542 | ||
543 | if (!dl->ins->ops) | |
544 | return; | |
545 | ||
be81908c RV |
546 | if (dl->ins->ops->parse && dl->ins->ops->parse(&dl->ops) < 0) |
547 | dl->ins = NULL; | |
4f9d0325 ACM |
548 | } |
549 | ||
7a997fe4 ACM |
550 | static int disasm_line__parse(char *line, char **namep, char **rawp) |
551 | { | |
552 | char *name = line, tmp; | |
553 | ||
554 | while (isspace(name[0])) | |
555 | ++name; | |
556 | ||
557 | if (name[0] == '\0') | |
558 | return -1; | |
559 | ||
560 | *rawp = name + 1; | |
561 | ||
562 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
563 | ++*rawp; | |
564 | ||
565 | tmp = (*rawp)[0]; | |
566 | (*rawp)[0] = '\0'; | |
567 | *namep = strdup(name); | |
568 | ||
569 | if (*namep == NULL) | |
570 | goto out_free_name; | |
571 | ||
572 | (*rawp)[0] = tmp; | |
573 | ||
574 | if ((*rawp)[0] != '\0') { | |
575 | (*rawp)++; | |
576 | while (isspace((*rawp)[0])) | |
577 | ++(*rawp); | |
578 | } | |
579 | ||
580 | return 0; | |
581 | ||
582 | out_free_name: | |
04662523 | 583 | zfree(namep); |
7a997fe4 ACM |
584 | return -1; |
585 | } | |
586 | ||
e592488c AK |
587 | static struct disasm_line *disasm_line__new(s64 offset, char *line, |
588 | size_t privsize, int line_nr) | |
78f7defe | 589 | { |
5145418b | 590 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 591 | |
29ed6e76 ACM |
592 | if (dl != NULL) { |
593 | dl->offset = offset; | |
594 | dl->line = strdup(line); | |
e592488c | 595 | dl->line_nr = line_nr; |
29ed6e76 | 596 | if (dl->line == NULL) |
058b4cc9 | 597 | goto out_delete; |
5145418b ACM |
598 | |
599 | if (offset != -1) { | |
7a997fe4 | 600 | if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0) |
5145418b ACM |
601 | goto out_free_line; |
602 | ||
4f9d0325 | 603 | disasm_line__init_ins(dl); |
5145418b | 604 | } |
78f7defe ACM |
605 | } |
606 | ||
29ed6e76 | 607 | return dl; |
5145418b ACM |
608 | |
609 | out_free_line: | |
74cf249d | 610 | zfree(&dl->line); |
058b4cc9 | 611 | out_delete: |
29ed6e76 | 612 | free(dl); |
058b4cc9 | 613 | return NULL; |
78f7defe ACM |
614 | } |
615 | ||
29ed6e76 | 616 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 617 | { |
74cf249d ACM |
618 | zfree(&dl->line); |
619 | zfree(&dl->name); | |
c46219ac ACM |
620 | if (dl->ins && dl->ins->ops->free) |
621 | dl->ins->ops->free(&dl->ops); | |
622 | else | |
623 | ins__delete(&dl->ops); | |
29ed6e76 | 624 | free(dl); |
78f7defe ACM |
625 | } |
626 | ||
5417072b ACM |
627 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
628 | { | |
629 | if (raw || !dl->ins) | |
630 | return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); | |
631 | ||
632 | return ins__scnprintf(dl->ins, bf, size, &dl->ops); | |
633 | } | |
634 | ||
29ed6e76 | 635 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
636 | { |
637 | list_add_tail(&line->node, head); | |
638 | } | |
639 | ||
29ed6e76 | 640 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
641 | { |
642 | list_for_each_entry_continue(pos, head, node) | |
643 | if (pos->offset >= 0) | |
644 | return pos; | |
645 | ||
646 | return NULL; | |
647 | } | |
648 | ||
e64aa75b NK |
649 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
650 | s64 end, const char **path) | |
e5ccf9f4 NK |
651 | { |
652 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 NK |
653 | double percent = 0.0; |
654 | ||
bd64fcb8 | 655 | if (src_line) { |
1491c22a NK |
656 | size_t sizeof_src_line = sizeof(*src_line) + |
657 | sizeof(src_line->p) * (src_line->nr_pcnt - 1); | |
658 | ||
bd64fcb8 | 659 | while (offset < end) { |
1491c22a NK |
660 | src_line = (void *)notes->src->lines + |
661 | (sizeof_src_line * offset); | |
662 | ||
e5ccf9f4 | 663 | if (*path == NULL) |
1491c22a | 664 | *path = src_line->path; |
e5ccf9f4 | 665 | |
1491c22a NK |
666 | percent += src_line->p[evidx].percent; |
667 | offset++; | |
bd64fcb8 NK |
668 | } |
669 | } else { | |
1491c22a NK |
670 | struct sym_hist *h = annotation__histogram(notes, evidx); |
671 | unsigned int hits = 0; | |
672 | ||
bd64fcb8 NK |
673 | while (offset < end) |
674 | hits += h->addr[offset++]; | |
e5ccf9f4 | 675 | |
bd64fcb8 NK |
676 | if (h->sum) |
677 | percent = 100.0 * hits / h->sum; | |
678 | } | |
e5ccf9f4 NK |
679 | |
680 | return percent; | |
681 | } | |
682 | ||
29ed6e76 | 683 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 684 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 685 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
686 | { |
687 | static const char *prev_line; | |
688 | static const char *prev_color; | |
689 | ||
29ed6e76 | 690 | if (dl->offset != -1) { |
78f7defe | 691 | const char *path = NULL; |
b1dd4432 NK |
692 | double percent, max_percent = 0.0; |
693 | double *ppercents = &percent; | |
694 | int i, nr_percent = 1; | |
78f7defe ACM |
695 | const char *color; |
696 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 697 | s64 offset = dl->offset; |
058b4cc9 | 698 | const u64 addr = start + offset; |
29ed6e76 | 699 | struct disasm_line *next; |
ce6f4fab | 700 | |
29ed6e76 | 701 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 702 | |
759ff497 | 703 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
704 | nr_percent = evsel->nr_members; |
705 | ppercents = calloc(nr_percent, sizeof(double)); | |
706 | if (ppercents == NULL) | |
707 | return -1; | |
708 | } | |
709 | ||
710 | for (i = 0; i < nr_percent; i++) { | |
711 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
712 | notes->src->lines ? i : evsel->idx + i, |
713 | offset, | |
714 | next ? next->offset : (s64) len, | |
715 | &path); | |
b1dd4432 NK |
716 | |
717 | ppercents[i] = percent; | |
718 | if (percent > max_percent) | |
719 | max_percent = percent; | |
720 | } | |
721 | ||
722 | if (max_percent < min_pcnt) | |
36532461 ACM |
723 | return -1; |
724 | ||
e3087b80 | 725 | if (max_lines && printed >= max_lines) |
36532461 | 726 | return 1; |
d040bd36 | 727 | |
d5e3d747 ACM |
728 | if (queue != NULL) { |
729 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 730 | if (queue == dl) |
d5e3d747 | 731 | break; |
db8fd07a | 732 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
733 | 0, 0, 1, NULL); |
734 | } | |
735 | } | |
736 | ||
b1dd4432 | 737 | color = get_percent_color(max_percent); |
78f7defe ACM |
738 | |
739 | /* | |
740 | * Also color the filename and line if needed, with | |
741 | * the same color than the percentage. Don't print it | |
742 | * twice for close colored addr with the same filename:line | |
743 | */ | |
744 | if (path) { | |
745 | if (!prev_line || strcmp(prev_line, path) | |
746 | || color != prev_color) { | |
747 | color_fprintf(stdout, color, " %s", path); | |
748 | prev_line = path; | |
749 | prev_color = color; | |
750 | } | |
751 | } | |
752 | ||
b1dd4432 NK |
753 | for (i = 0; i < nr_percent; i++) { |
754 | percent = ppercents[i]; | |
755 | color = get_percent_color(percent); | |
756 | color_fprintf(stdout, color, " %7.2f", percent); | |
757 | } | |
758 | ||
78f7defe | 759 | printf(" : "); |
058b4cc9 | 760 | color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); |
29ed6e76 | 761 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); |
b1dd4432 NK |
762 | |
763 | if (ppercents != &percent) | |
764 | free(ppercents); | |
765 | ||
e3087b80 | 766 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
767 | return 1; |
768 | else { | |
b1dd4432 NK |
769 | int width = 8; |
770 | ||
d5e3d747 ACM |
771 | if (queue) |
772 | return -1; | |
773 | ||
759ff497 | 774 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
775 | width *= evsel->nr_members; |
776 | ||
29ed6e76 | 777 | if (!*dl->line) |
b1dd4432 | 778 | printf(" %*s:\n", width, " "); |
78f7defe | 779 | else |
b1dd4432 | 780 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 781 | } |
36532461 ACM |
782 | |
783 | return 0; | |
78f7defe ACM |
784 | } |
785 | ||
3aec150a NK |
786 | /* |
787 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
788 | * which looks like following | |
789 | * | |
790 | * 0000000000415500 <_init>: | |
791 | * 415500: sub $0x8,%rsp | |
792 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
793 | * 41550b: test %rax,%rax | |
794 | * 41550e: je 415515 <_init+0x15> | |
795 | * 415510: callq 416e70 <__gmon_start__@plt> | |
796 | * 415515: add $0x8,%rsp | |
797 | * 415519: retq | |
798 | * | |
799 | * it will be parsed and saved into struct disasm_line as | |
800 | * <offset> <name> <ops.raw> | |
801 | * | |
802 | * The offset will be a relative offset from the start of the symbol and -1 | |
803 | * means that it's not a disassembly line so should be treated differently. | |
804 | * The ops.raw part will be parsed further according to type of the instruction. | |
805 | */ | |
ce6f4fab | 806 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
e592488c AK |
807 | FILE *file, size_t privsize, |
808 | int *line_nr) | |
78f7defe | 809 | { |
ce6f4fab | 810 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 811 | struct disasm_line *dl; |
058b4cc9 | 812 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
813 | size_t line_len; |
814 | s64 line_ip, offset = -1; | |
e592488c | 815 | regmatch_t match[2]; |
78f7defe ACM |
816 | |
817 | if (getline(&line, &line_len, file) < 0) | |
818 | return -1; | |
819 | ||
820 | if (!line) | |
821 | return -1; | |
822 | ||
823 | while (line_len != 0 && isspace(line[line_len - 1])) | |
824 | line[--line_len] = '\0'; | |
825 | ||
826 | c = strchr(line, '\n'); | |
827 | if (c) | |
828 | *c = 0; | |
829 | ||
830 | line_ip = -1; | |
a31b7cc0 | 831 | parsed_line = line; |
78f7defe | 832 | |
e592488c AK |
833 | /* /filename:linenr ? Save line number and ignore. */ |
834 | if (regexec(&file_lineno, line, 2, match, 0) == 0) { | |
835 | *line_nr = atoi(line + match[1].rm_so); | |
836 | return 0; | |
837 | } | |
838 | ||
78f7defe ACM |
839 | /* |
840 | * Strip leading spaces: | |
841 | */ | |
842 | tmp = line; | |
843 | while (*tmp) { | |
844 | if (*tmp != ' ') | |
845 | break; | |
846 | tmp++; | |
847 | } | |
848 | ||
849 | if (*tmp) { | |
850 | /* | |
851 | * Parse hexa addresses followed by ':' | |
852 | */ | |
853 | line_ip = strtoull(tmp, &tmp2, 16); | |
854 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
855 | line_ip = -1; | |
856 | } | |
857 | ||
858 | if (line_ip != -1) { | |
859 | u64 start = map__rip_2objdump(map, sym->start), | |
860 | end = map__rip_2objdump(map, sym->end); | |
861 | ||
862 | offset = line_ip - start; | |
2c241bd3 | 863 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 864 | offset = -1; |
058b4cc9 ACM |
865 | else |
866 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 867 | } |
78f7defe | 868 | |
e592488c | 869 | dl = disasm_line__new(offset, parsed_line, privsize, *line_nr); |
058b4cc9 | 870 | free(line); |
e592488c | 871 | (*line_nr)++; |
058b4cc9 | 872 | |
29ed6e76 | 873 | if (dl == NULL) |
78f7defe | 874 | return -1; |
058b4cc9 | 875 | |
bbb7f846 AH |
876 | if (dl->ops.target.offset == UINT64_MAX) |
877 | dl->ops.target.offset = dl->ops.target.addr - | |
878 | map__rip_2objdump(map, sym->start); | |
879 | ||
6e427ab0 | 880 | /* kcore has no symbols, so add the call target name */ |
b178170a | 881 | if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
882 | struct addr_map_symbol target = { |
883 | .map = map, | |
884 | .addr = dl->ops.target.addr, | |
885 | }; | |
886 | ||
887 | if (!map_groups__find_ams(&target, NULL) && | |
888 | target.sym->start == target.al_addr) | |
889 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
890 | } |
891 | ||
29ed6e76 | 892 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
893 | |
894 | return 0; | |
895 | } | |
896 | ||
e592488c AK |
897 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
898 | { | |
899 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
900 | } | |
901 | ||
484a5e74 AH |
902 | static void delete_last_nop(struct symbol *sym) |
903 | { | |
904 | struct annotation *notes = symbol__annotation(sym); | |
905 | struct list_head *list = ¬es->src->source; | |
906 | struct disasm_line *dl; | |
907 | ||
908 | while (!list_empty(list)) { | |
909 | dl = list_entry(list->prev, struct disasm_line, node); | |
910 | ||
911 | if (dl->ins && dl->ins->ops) { | |
912 | if (dl->ins->ops != &nop_ops) | |
913 | return; | |
914 | } else { | |
915 | if (!strstr(dl->line, " nop ") && | |
916 | !strstr(dl->line, " nopl ") && | |
917 | !strstr(dl->line, " nopw ")) | |
918 | return; | |
919 | } | |
920 | ||
921 | list_del(&dl->node); | |
922 | disasm_line__free(dl); | |
923 | } | |
924 | } | |
925 | ||
ce6f4fab | 926 | int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) |
78f7defe ACM |
927 | { |
928 | struct dso *dso = map->dso; | |
929 | char *filename = dso__build_id_filename(dso, NULL, 0); | |
930 | bool free_filename = true; | |
931 | char command[PATH_MAX * 2]; | |
932 | FILE *file; | |
933 | int err = 0; | |
78f7defe | 934 | char symfs_filename[PATH_MAX]; |
afba19d9 AH |
935 | struct kcore_extract kce; |
936 | bool delete_extract = false; | |
e592488c | 937 | int lineno = 0; |
78f7defe | 938 | |
972f393b ACM |
939 | if (filename) |
940 | symbol__join_symfs(symfs_filename, filename); | |
78f7defe ACM |
941 | |
942 | if (filename == NULL) { | |
943 | if (dso->has_build_id) { | |
944 | pr_err("Can't annotate %s: not enough memory\n", | |
945 | sym->name); | |
946 | return -ENOMEM; | |
947 | } | |
948 | goto fallback; | |
ee205503 AH |
949 | } else if (dso__is_kcore(dso)) { |
950 | goto fallback; | |
78f7defe ACM |
951 | } else if (readlink(symfs_filename, command, sizeof(command)) < 0 || |
952 | strstr(command, "[kernel.kallsyms]") || | |
953 | access(symfs_filename, R_OK)) { | |
954 | free(filename); | |
955 | fallback: | |
956 | /* | |
957 | * If we don't have build-ids or the build-id file isn't in the | |
958 | * cache, or is just a kallsyms file, well, lets hope that this | |
959 | * DSO is the same as when 'perf record' ran. | |
960 | */ | |
bf4414ae | 961 | filename = (char *)dso->long_name; |
972f393b | 962 | symbol__join_symfs(symfs_filename, filename); |
78f7defe ACM |
963 | free_filename = false; |
964 | } | |
965 | ||
bbb7f846 AH |
966 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
967 | !dso__is_kcore(dso)) { | |
170ae6bc ACM |
968 | char bf[BUILD_ID_SIZE * 2 + 16] = " with build id "; |
969 | char *build_id_msg = NULL; | |
970 | ||
78f7defe ACM |
971 | if (dso->annotate_warned) |
972 | goto out_free_filename; | |
170ae6bc ACM |
973 | |
974 | if (dso->has_build_id) { | |
975 | build_id__sprintf(dso->build_id, | |
976 | sizeof(dso->build_id), bf + 15); | |
977 | build_id_msg = bf; | |
978 | } | |
78f7defe ACM |
979 | err = -ENOENT; |
980 | dso->annotate_warned = 1; | |
ae55795e ACM |
981 | pr_err("Can't annotate %s:\n\n" |
982 | "No vmlinux file%s\nwas found in the path.\n\n" | |
983 | "Please use:\n\n" | |
e3a34029 | 984 | " perf buildid-cache -vu vmlinux\n\n" |
ae55795e | 985 | "or:\n\n" |
ff2a6617 | 986 | " --vmlinux vmlinux\n", |
170ae6bc | 987 | sym->name, build_id_msg ?: ""); |
78f7defe ACM |
988 | goto out_free_filename; |
989 | } | |
990 | ||
991 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, | |
992 | filename, sym->name, map->unmap_ip(map, sym->start), | |
993 | map->unmap_ip(map, sym->end)); | |
994 | ||
78f7defe ACM |
995 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
996 | dso, dso->long_name, sym, sym->name); | |
997 | ||
afba19d9 AH |
998 | if (dso__is_kcore(dso)) { |
999 | kce.kcore_filename = symfs_filename; | |
1000 | kce.addr = map__rip_2objdump(map, sym->start); | |
1001 | kce.offs = sym->start; | |
2c241bd3 | 1002 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1003 | if (!kcore_extract__create(&kce)) { |
1004 | delete_extract = true; | |
1005 | strlcpy(symfs_filename, kce.extract_filename, | |
1006 | sizeof(symfs_filename)); | |
1007 | if (free_filename) { | |
1008 | free(filename); | |
1009 | free_filename = false; | |
1010 | } | |
1011 | filename = symfs_filename; | |
1012 | } | |
1013 | } | |
1014 | ||
78f7defe | 1015 | snprintf(command, sizeof(command), |
7a4ec938 | 1016 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1017 | " --stop-address=0x%016" PRIx64 |
e592488c | 1018 | " -l -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 1019 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1020 | disassembler_style ? "-M " : "", |
1021 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1022 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1023 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1024 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1025 | symbol_conf.annotate_src ? "-S" : "", | |
78f7defe ACM |
1026 | symfs_filename, filename); |
1027 | ||
1028 | pr_debug("Executing: %s\n", command); | |
1029 | ||
1030 | file = popen(command, "r"); | |
1031 | if (!file) | |
1032 | goto out_free_filename; | |
1033 | ||
1034 | while (!feof(file)) | |
e592488c AK |
1035 | if (symbol__parse_objdump_line(sym, map, file, privsize, |
1036 | &lineno) < 0) | |
78f7defe ACM |
1037 | break; |
1038 | ||
484a5e74 AH |
1039 | /* |
1040 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1041 | * Remove it. | |
1042 | */ | |
1043 | if (dso__is_kcore(dso)) | |
1044 | delete_last_nop(sym); | |
1045 | ||
78f7defe ACM |
1046 | pclose(file); |
1047 | out_free_filename: | |
afba19d9 AH |
1048 | if (delete_extract) |
1049 | kcore_extract__delete(&kce); | |
78f7defe ACM |
1050 | if (free_filename) |
1051 | free(filename); | |
1052 | return err; | |
1053 | } | |
1054 | ||
1055 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
1056 | { | |
1057 | struct source_line *iter; | |
1058 | struct rb_node **p = &root->rb_node; | |
1059 | struct rb_node *parent = NULL; | |
1491c22a | 1060 | int i, ret; |
78f7defe ACM |
1061 | |
1062 | while (*p != NULL) { | |
1063 | parent = *p; | |
1064 | iter = rb_entry(parent, struct source_line, node); | |
1065 | ||
41127965 NK |
1066 | ret = strcmp(iter->path, src_line->path); |
1067 | if (ret == 0) { | |
1491c22a NK |
1068 | for (i = 0; i < src_line->nr_pcnt; i++) |
1069 | iter->p[i].percent_sum += src_line->p[i].percent; | |
41127965 NK |
1070 | return; |
1071 | } | |
1072 | ||
1073 | if (ret < 0) | |
1074 | p = &(*p)->rb_left; | |
1075 | else | |
1076 | p = &(*p)->rb_right; | |
1077 | } | |
1078 | ||
1491c22a NK |
1079 | for (i = 0; i < src_line->nr_pcnt; i++) |
1080 | src_line->p[i].percent_sum = src_line->p[i].percent; | |
41127965 NK |
1081 | |
1082 | rb_link_node(&src_line->node, parent, p); | |
1083 | rb_insert_color(&src_line->node, root); | |
1084 | } | |
1085 | ||
1491c22a NK |
1086 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1087 | { | |
1088 | int i; | |
1089 | ||
1090 | for (i = 0; i < a->nr_pcnt; i++) { | |
1091 | if (a->p[i].percent_sum == b->p[i].percent_sum) | |
1092 | continue; | |
1093 | return a->p[i].percent_sum > b->p[i].percent_sum; | |
1094 | } | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
41127965 NK |
1099 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1100 | { | |
1101 | struct source_line *iter; | |
1102 | struct rb_node **p = &root->rb_node; | |
1103 | struct rb_node *parent = NULL; | |
1104 | ||
1105 | while (*p != NULL) { | |
1106 | parent = *p; | |
1107 | iter = rb_entry(parent, struct source_line, node); | |
1108 | ||
1491c22a | 1109 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1110 | p = &(*p)->rb_left; |
1111 | else | |
1112 | p = &(*p)->rb_right; | |
1113 | } | |
1114 | ||
1115 | rb_link_node(&src_line->node, parent, p); | |
1116 | rb_insert_color(&src_line->node, root); | |
1117 | } | |
1118 | ||
41127965 NK |
1119 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1120 | { | |
1121 | struct source_line *src_line; | |
1122 | struct rb_node *node; | |
1123 | ||
1124 | node = rb_first(src_root); | |
1125 | while (node) { | |
1126 | struct rb_node *next; | |
1127 | ||
1128 | src_line = rb_entry(node, struct source_line, node); | |
1129 | next = rb_next(node); | |
1130 | rb_erase(node, src_root); | |
1131 | ||
1132 | __resort_source_line(dest_root, src_line); | |
1133 | node = next; | |
1134 | } | |
1135 | } | |
1136 | ||
78f7defe ACM |
1137 | static void symbol__free_source_line(struct symbol *sym, int len) |
1138 | { | |
1139 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1140 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1141 | size_t sizeof_src_line; |
78f7defe ACM |
1142 | int i; |
1143 | ||
1491c22a NK |
1144 | sizeof_src_line = sizeof(*src_line) + |
1145 | (sizeof(src_line->p) * (src_line->nr_pcnt - 1)); | |
78f7defe | 1146 | |
1491c22a | 1147 | for (i = 0; i < len; i++) { |
f048d548 | 1148 | free_srcline(src_line->path); |
1491c22a NK |
1149 | src_line = (void *)src_line + sizeof_src_line; |
1150 | } | |
1151 | ||
04662523 | 1152 | zfree(¬es->src->lines); |
78f7defe ACM |
1153 | } |
1154 | ||
1155 | /* Get the filename:line for the colored entries */ | |
1156 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1157 | struct perf_evsel *evsel, |
86c98cab | 1158 | struct rb_root *root, int len) |
78f7defe ACM |
1159 | { |
1160 | u64 start; | |
1491c22a NK |
1161 | int i, k; |
1162 | int evidx = evsel->idx; | |
78f7defe ACM |
1163 | struct source_line *src_line; |
1164 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1165 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1166 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1167 | int nr_pcnt = 1; |
1168 | u64 h_sum = h->sum; | |
1169 | size_t sizeof_src_line = sizeof(struct source_line); | |
1170 | ||
1171 | if (perf_evsel__is_group_event(evsel)) { | |
1172 | for (i = 1; i < evsel->nr_members; i++) { | |
1173 | h = annotation__histogram(notes, evidx + i); | |
1174 | h_sum += h->sum; | |
1175 | } | |
1176 | nr_pcnt = evsel->nr_members; | |
1177 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->p); | |
1178 | } | |
78f7defe | 1179 | |
1491c22a | 1180 | if (!h_sum) |
78f7defe ACM |
1181 | return 0; |
1182 | ||
1491c22a | 1183 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1184 | if (!notes->src->lines) |
78f7defe ACM |
1185 | return -1; |
1186 | ||
f40a0633 | 1187 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1188 | |
1189 | for (i = 0; i < len; i++) { | |
78f7defe | 1190 | u64 offset; |
1491c22a | 1191 | double percent_max = 0.0; |
78f7defe | 1192 | |
1491c22a NK |
1193 | src_line->nr_pcnt = nr_pcnt; |
1194 | ||
1195 | for (k = 0; k < nr_pcnt; k++) { | |
1196 | h = annotation__histogram(notes, evidx + k); | |
1197 | src_line->p[k].percent = 100.0 * h->addr[i] / h->sum; | |
1198 | ||
1199 | if (src_line->p[k].percent > percent_max) | |
1200 | percent_max = src_line->p[k].percent; | |
1201 | } | |
1202 | ||
1203 | if (percent_max <= 0.5) | |
1204 | goto next; | |
78f7defe ACM |
1205 | |
1206 | offset = start + i; | |
85c116a6 | 1207 | src_line->path = get_srcline(map->dso, offset, NULL, false); |
1491c22a | 1208 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1209 | |
1491c22a NK |
1210 | next: |
1211 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1212 | } |
1213 | ||
41127965 | 1214 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1215 | return 0; |
1216 | } | |
1217 | ||
1218 | static void print_summary(struct rb_root *root, const char *filename) | |
1219 | { | |
1220 | struct source_line *src_line; | |
1221 | struct rb_node *node; | |
1222 | ||
1223 | printf("\nSorted summary for file %s\n", filename); | |
1224 | printf("----------------------------------------------\n\n"); | |
1225 | ||
1226 | if (RB_EMPTY_ROOT(root)) { | |
1227 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | node = rb_first(root); | |
1232 | while (node) { | |
1491c22a | 1233 | double percent, percent_max = 0.0; |
78f7defe ACM |
1234 | const char *color; |
1235 | char *path; | |
1491c22a | 1236 | int i; |
78f7defe ACM |
1237 | |
1238 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a NK |
1239 | for (i = 0; i < src_line->nr_pcnt; i++) { |
1240 | percent = src_line->p[i].percent_sum; | |
1241 | color = get_percent_color(percent); | |
1242 | color_fprintf(stdout, color, " %7.2f", percent); | |
1243 | ||
1244 | if (percent > percent_max) | |
1245 | percent_max = percent; | |
1246 | } | |
1247 | ||
78f7defe | 1248 | path = src_line->path; |
1491c22a | 1249 | color = get_percent_color(percent_max); |
f048d548 | 1250 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1251 | |
78f7defe ACM |
1252 | node = rb_next(node); |
1253 | } | |
1254 | } | |
1255 | ||
db8fd07a | 1256 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1257 | { |
1258 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1259 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1260 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1261 | |
1262 | for (offset = 0; offset < len; ++offset) | |
1263 | if (h->addr[offset] != 0) | |
1264 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1265 | sym->start + offset, h->addr[offset]); | |
1266 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1267 | } | |
1268 | ||
db8fd07a NK |
1269 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1270 | struct perf_evsel *evsel, bool full_paths, | |
1271 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1272 | { |
1273 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1274 | char *filename; |
1275 | const char *d_filename; | |
9cdbadce | 1276 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1277 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1278 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1279 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1280 | int printed = 2, queue_len = 0; |
36532461 | 1281 | int more = 0; |
78f7defe | 1282 | u64 len; |
b1dd4432 | 1283 | int width = 8; |
9cdbadce | 1284 | int namelen, evsel_name_len, graph_dotted_len; |
78f7defe | 1285 | |
bfd14b9a DA |
1286 | filename = strdup(dso->long_name); |
1287 | if (!filename) | |
1288 | return -ENOMEM; | |
1289 | ||
78f7defe ACM |
1290 | if (full_paths) |
1291 | d_filename = filename; | |
1292 | else | |
1293 | d_filename = basename(filename); | |
1294 | ||
1b2e2df4 | 1295 | len = symbol__size(sym); |
b1dd4432 | 1296 | namelen = strlen(d_filename); |
9cdbadce | 1297 | evsel_name_len = strlen(evsel_name); |
b1dd4432 | 1298 | |
759ff497 | 1299 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1300 | width *= evsel->nr_members; |
78f7defe | 1301 | |
9cdbadce ACM |
1302 | printf(" %-*.*s| Source code & Disassembly of %s for %s\n", |
1303 | width, width, "Percent", d_filename, evsel_name); | |
1304 | ||
1305 | graph_dotted_len = width + namelen + evsel_name_len; | |
1306 | printf("-%-*.*s-----------------------------------------\n", | |
1307 | graph_dotted_len, graph_dotted_len, graph_dotted_line); | |
78f7defe ACM |
1308 | |
1309 | if (verbose) | |
db8fd07a | 1310 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1311 | |
ce6f4fab | 1312 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1313 | if (context && queue == NULL) { |
1314 | queue = pos; | |
1315 | queue_len = 0; | |
1316 | } | |
1317 | ||
db8fd07a | 1318 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1319 | min_pcnt, printed, max_lines, |
1320 | queue)) { | |
36532461 ACM |
1321 | case 0: |
1322 | ++printed; | |
d5e3d747 ACM |
1323 | if (context) { |
1324 | printed += queue_len; | |
1325 | queue = NULL; | |
1326 | queue_len = 0; | |
1327 | } | |
36532461 ACM |
1328 | break; |
1329 | case 1: | |
1330 | /* filtered by max_lines */ | |
1331 | ++more; | |
d040bd36 | 1332 | break; |
36532461 ACM |
1333 | case -1: |
1334 | default: | |
d5e3d747 ACM |
1335 | /* |
1336 | * Filtered by min_pcnt or non IP lines when | |
1337 | * context != 0 | |
1338 | */ | |
1339 | if (!context) | |
1340 | break; | |
1341 | if (queue_len == context) | |
1342 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1343 | else | |
1344 | ++queue_len; | |
36532461 ACM |
1345 | break; |
1346 | } | |
1347 | } | |
1348 | ||
bfd14b9a DA |
1349 | free(filename); |
1350 | ||
36532461 ACM |
1351 | return more; |
1352 | } | |
f1e2701d | 1353 | |
36532461 ACM |
1354 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1355 | { | |
1356 | struct annotation *notes = symbol__annotation(sym); | |
1357 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1358 | ||
ce6f4fab | 1359 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1360 | } |
1361 | ||
ce6f4fab | 1362 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1363 | { |
1364 | struct annotation *notes = symbol__annotation(sym); | |
1365 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1366 | int len = symbol__size(sym), offset; |
36532461 ACM |
1367 | |
1368 | h->sum = 0; | |
8b84a568 ACM |
1369 | for (offset = 0; offset < len; ++offset) { |
1370 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1371 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1372 | } |
1373 | } | |
1374 | ||
29ed6e76 | 1375 | void disasm__purge(struct list_head *head) |
f1e2701d | 1376 | { |
29ed6e76 | 1377 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1378 | |
1379 | list_for_each_entry_safe(pos, n, head, node) { | |
1380 | list_del(&pos->node); | |
29ed6e76 | 1381 | disasm_line__free(pos); |
f1e2701d ACM |
1382 | } |
1383 | } | |
1384 | ||
5145418b ACM |
1385 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1386 | { | |
1387 | size_t printed; | |
1388 | ||
1389 | if (dl->offset == -1) | |
1390 | return fprintf(fp, "%s\n", dl->line); | |
1391 | ||
1392 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); | |
1393 | ||
c7e6ead7 | 1394 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1395 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1396 | dl->ops.raw); |
5145418b ACM |
1397 | } |
1398 | ||
1399 | return printed + fprintf(fp, "\n"); | |
1400 | } | |
1401 | ||
1402 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1403 | { | |
1404 | struct disasm_line *pos; | |
1405 | size_t printed = 0; | |
1406 | ||
1407 | list_for_each_entry(pos, head, node) | |
1408 | printed += disasm_line__fprintf(pos, fp); | |
1409 | ||
1410 | return printed; | |
1411 | } | |
1412 | ||
db8fd07a NK |
1413 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1414 | struct perf_evsel *evsel, bool print_lines, | |
1415 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1416 | { |
1417 | struct dso *dso = map->dso; | |
f1e2701d | 1418 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1419 | u64 len; |
1420 | ||
ce6f4fab | 1421 | if (symbol__annotate(sym, map, 0) < 0) |
f1e2701d ACM |
1422 | return -1; |
1423 | ||
1b2e2df4 | 1424 | len = symbol__size(sym); |
f1e2701d ACM |
1425 | |
1426 | if (print_lines) { | |
86c98cab NK |
1427 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1428 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1429 | } |
1430 | ||
db8fd07a | 1431 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1432 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1433 | if (print_lines) |
1434 | symbol__free_source_line(sym, len); | |
1435 | ||
29ed6e76 | 1436 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1437 | |
78f7defe ACM |
1438 | return 0; |
1439 | } | |
f626adff ACM |
1440 | |
1441 | int hist_entry__annotate(struct hist_entry *he, size_t privsize) | |
1442 | { | |
1443 | return symbol__annotate(he->ms.sym, he->ms.map, privsize); | |
1444 | } | |
48c65bda NK |
1445 | |
1446 | bool ui__has_annotation(void) | |
1447 | { | |
1448 | return use_browser == 1 && sort__has_sym; | |
1449 | } |