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" | |
11 | #include "build-id.h" | |
12 | #include "color.h" | |
13 | #include "cache.h" | |
14 | #include "symbol.h" | |
15 | #include "debug.h" | |
16 | #include "annotate.h" | |
db8fd07a | 17 | #include "evsel.h" |
ce6f4fab | 18 | #include <pthread.h> |
4383db88 | 19 | #include <linux/bitops.h> |
78f7defe | 20 | |
f69b64f7 | 21 | const char *disassembler_style; |
7a4ec938 | 22 | const char *objdump_path; |
f69b64f7 | 23 | |
7a997fe4 ACM |
24 | static struct ins *ins__find(const char *name); |
25 | static int disasm_line__parse(char *line, char **namep, char **rawp); | |
26 | ||
c46219ac ACM |
27 | static void ins__delete(struct ins_operands *ops) |
28 | { | |
29 | free(ops->source.raw); | |
30 | free(ops->source.name); | |
31 | free(ops->target.raw); | |
32 | free(ops->target.name); | |
33 | } | |
34 | ||
5417072b ACM |
35 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
36 | struct ins_operands *ops) | |
37 | { | |
38 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->raw); | |
39 | } | |
40 | ||
41 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
42 | struct ins_operands *ops) | |
43 | { | |
44 | if (ins->ops->scnprintf) | |
45 | return ins->ops->scnprintf(ins, bf, size, ops); | |
46 | ||
47 | return ins__raw_scnprintf(ins, bf, size, ops); | |
48 | } | |
49 | ||
c7e6ead7 | 50 | static int call__parse(struct ins_operands *ops) |
d86b0597 | 51 | { |
d2232885 ACM |
52 | char *endptr, *tok, *name; |
53 | ||
44d1a3ed | 54 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
55 | |
56 | name = strchr(endptr, '<'); | |
57 | if (name == NULL) | |
58 | goto indirect_call; | |
59 | ||
60 | name++; | |
61 | ||
62 | tok = strchr(name, '>'); | |
63 | if (tok == NULL) | |
64 | return -1; | |
65 | ||
66 | *tok = '\0'; | |
44d1a3ed | 67 | ops->target.name = strdup(name); |
d2232885 ACM |
68 | *tok = '>'; |
69 | ||
44d1a3ed | 70 | return ops->target.name == NULL ? -1 : 0; |
d2232885 ACM |
71 | |
72 | indirect_call: | |
e8ea1561 ACM |
73 | tok = strchr(endptr, '('); |
74 | if (tok != NULL) { | |
75 | ops->target.addr = 0; | |
76 | return 0; | |
77 | } | |
78 | ||
d2232885 ACM |
79 | tok = strchr(endptr, '*'); |
80 | if (tok == NULL) | |
81 | return -1; | |
82 | ||
44d1a3ed | 83 | ops->target.addr = strtoull(tok + 1, NULL, 16); |
d86b0597 ACM |
84 | return 0; |
85 | } | |
86 | ||
d2232885 | 87 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 88 | struct ins_operands *ops) |
d2232885 | 89 | { |
44d1a3ed ACM |
90 | if (ops->target.name) |
91 | return scnprintf(bf, size, "%-6.6s %s", ins->name, ops->target.name); | |
d2232885 | 92 | |
e8ea1561 ACM |
93 | if (ops->target.addr == 0) |
94 | return ins__raw_scnprintf(ins, bf, size, ops); | |
95 | ||
44d1a3ed | 96 | return scnprintf(bf, size, "%-6.6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
97 | } |
98 | ||
d86b0597 | 99 | static struct ins_ops call_ops = { |
d2232885 ACM |
100 | .parse = call__parse, |
101 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
102 | }; |
103 | ||
104 | bool ins__is_call(const struct ins *ins) | |
105 | { | |
106 | return ins->ops == &call_ops; | |
107 | } | |
108 | ||
c7e6ead7 | 109 | static int jump__parse(struct ins_operands *ops) |
4f9d0325 | 110 | { |
c7e6ead7 | 111 | const char *s = strchr(ops->raw, '+'); |
4f9d0325 | 112 | |
bbb7f846 | 113 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
fb29fa58 ACM |
114 | |
115 | if (s++ != NULL) | |
bbb7f846 | 116 | ops->target.offset = strtoull(s, NULL, 16); |
fb29fa58 ACM |
117 | else |
118 | ops->target.offset = UINT64_MAX; | |
4f9d0325 | 119 | |
4f9d0325 ACM |
120 | return 0; |
121 | } | |
122 | ||
c7e6ead7 | 123 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 124 | struct ins_operands *ops) |
28548d78 | 125 | { |
44d1a3ed | 126 | return scnprintf(bf, size, "%-6.6s %" PRIx64, ins->name, ops->target.offset); |
28548d78 ACM |
127 | } |
128 | ||
4f9d0325 | 129 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
130 | .parse = jump__parse, |
131 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
132 | }; |
133 | ||
134 | bool ins__is_jump(const struct ins *ins) | |
135 | { | |
136 | return ins->ops == &jump_ops; | |
137 | } | |
138 | ||
6de783b6 ACM |
139 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
140 | { | |
141 | char *endptr, *name, *t; | |
142 | ||
143 | if (strstr(raw, "(%rip)") == NULL) | |
144 | return 0; | |
145 | ||
146 | *addrp = strtoull(comment, &endptr, 16); | |
147 | name = strchr(endptr, '<'); | |
148 | if (name == NULL) | |
149 | return -1; | |
150 | ||
151 | name++; | |
152 | ||
153 | t = strchr(name, '>'); | |
154 | if (t == NULL) | |
155 | return 0; | |
156 | ||
157 | *t = '\0'; | |
158 | *namep = strdup(name); | |
159 | *t = '>'; | |
160 | ||
161 | return 0; | |
162 | } | |
163 | ||
7a997fe4 ACM |
164 | static int lock__parse(struct ins_operands *ops) |
165 | { | |
166 | char *name; | |
167 | ||
168 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); | |
169 | if (ops->locked.ops == NULL) | |
170 | return 0; | |
171 | ||
172 | if (disasm_line__parse(ops->raw, &name, &ops->locked.ops->raw) < 0) | |
173 | goto out_free_ops; | |
174 | ||
2ba34aaa NK |
175 | ops->locked.ins = ins__find(name); |
176 | if (ops->locked.ins == NULL) | |
177 | goto out_free_ops; | |
7a997fe4 | 178 | |
2ba34aaa NK |
179 | if (!ops->locked.ins->ops) |
180 | return 0; | |
7a997fe4 | 181 | |
2ba34aaa NK |
182 | if (ops->locked.ins->ops->parse) |
183 | ops->locked.ins->ops->parse(ops->locked.ops); | |
7a997fe4 ACM |
184 | |
185 | return 0; | |
186 | ||
187 | out_free_ops: | |
188 | free(ops->locked.ops); | |
189 | ops->locked.ops = NULL; | |
190 | return 0; | |
191 | } | |
192 | ||
193 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
194 | struct ins_operands *ops) | |
195 | { | |
196 | int printed; | |
197 | ||
198 | if (ops->locked.ins == NULL) | |
199 | return ins__raw_scnprintf(ins, bf, size, ops); | |
200 | ||
201 | printed = scnprintf(bf, size, "%-6.6s ", ins->name); | |
202 | return printed + ins__scnprintf(ops->locked.ins, bf + printed, | |
203 | size - printed, ops->locked.ops); | |
204 | } | |
205 | ||
c46219ac ACM |
206 | static void lock__delete(struct ins_operands *ops) |
207 | { | |
208 | free(ops->locked.ops); | |
209 | free(ops->target.raw); | |
210 | free(ops->target.name); | |
211 | } | |
212 | ||
7a997fe4 | 213 | static struct ins_ops lock_ops = { |
c46219ac | 214 | .free = lock__delete, |
7a997fe4 ACM |
215 | .parse = lock__parse, |
216 | .scnprintf = lock__scnprintf, | |
217 | }; | |
218 | ||
6de783b6 ACM |
219 | static int mov__parse(struct ins_operands *ops) |
220 | { | |
221 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
222 | ||
223 | if (s == NULL) | |
224 | return -1; | |
225 | ||
226 | *s = '\0'; | |
227 | ops->source.raw = strdup(ops->raw); | |
228 | *s = ','; | |
229 | ||
230 | if (ops->source.raw == NULL) | |
231 | return -1; | |
232 | ||
233 | target = ++s; | |
234 | ||
235 | while (s[0] != '\0' && !isspace(s[0])) | |
236 | ++s; | |
237 | prev = *s; | |
238 | *s = '\0'; | |
239 | ||
240 | ops->target.raw = strdup(target); | |
241 | *s = prev; | |
242 | ||
243 | if (ops->target.raw == NULL) | |
244 | goto out_free_source; | |
245 | ||
246 | comment = strchr(s, '#'); | |
247 | if (comment == NULL) | |
248 | return 0; | |
249 | ||
250 | while (comment[0] != '\0' && isspace(comment[0])) | |
251 | ++comment; | |
252 | ||
253 | comment__symbol(ops->source.raw, comment, &ops->source.addr, &ops->source.name); | |
254 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
255 | ||
256 | return 0; | |
257 | ||
258 | out_free_source: | |
259 | free(ops->source.raw); | |
260 | ops->source.raw = NULL; | |
261 | return -1; | |
262 | } | |
263 | ||
264 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
265 | struct ins_operands *ops) | |
266 | { | |
267 | return scnprintf(bf, size, "%-6.6s %s,%s", ins->name, | |
268 | ops->source.name ?: ops->source.raw, | |
269 | ops->target.name ?: ops->target.raw); | |
270 | } | |
271 | ||
272 | static struct ins_ops mov_ops = { | |
273 | .parse = mov__parse, | |
274 | .scnprintf = mov__scnprintf, | |
275 | }; | |
276 | ||
a43712c4 ACM |
277 | static int dec__parse(struct ins_operands *ops) |
278 | { | |
279 | char *target, *comment, *s, prev; | |
280 | ||
281 | target = s = ops->raw; | |
282 | ||
283 | while (s[0] != '\0' && !isspace(s[0])) | |
284 | ++s; | |
285 | prev = *s; | |
286 | *s = '\0'; | |
287 | ||
288 | ops->target.raw = strdup(target); | |
289 | *s = prev; | |
290 | ||
291 | if (ops->target.raw == NULL) | |
292 | return -1; | |
293 | ||
294 | comment = strchr(s, '#'); | |
295 | if (comment == NULL) | |
296 | return 0; | |
297 | ||
298 | while (comment[0] != '\0' && isspace(comment[0])) | |
299 | ++comment; | |
300 | ||
301 | comment__symbol(ops->target.raw, comment, &ops->target.addr, &ops->target.name); | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
307 | struct ins_operands *ops) | |
308 | { | |
309 | return scnprintf(bf, size, "%-6.6s %s", ins->name, | |
310 | ops->target.name ?: ops->target.raw); | |
311 | } | |
312 | ||
313 | static struct ins_ops dec_ops = { | |
314 | .parse = dec__parse, | |
315 | .scnprintf = dec__scnprintf, | |
316 | }; | |
317 | ||
1d037ca1 IT |
318 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
319 | struct ins_operands *ops __maybe_unused) | |
b9818e93 ACM |
320 | { |
321 | return scnprintf(bf, size, "%-6.6s", "nop"); | |
322 | } | |
323 | ||
324 | static struct ins_ops nop_ops = { | |
325 | .scnprintf = nop__scnprintf, | |
326 | }; | |
327 | ||
4f9d0325 ACM |
328 | /* |
329 | * Must be sorted by name! | |
330 | */ | |
331 | static struct ins instructions[] = { | |
6de783b6 ACM |
332 | { .name = "add", .ops = &mov_ops, }, |
333 | { .name = "addl", .ops = &mov_ops, }, | |
334 | { .name = "addq", .ops = &mov_ops, }, | |
335 | { .name = "addw", .ops = &mov_ops, }, | |
336 | { .name = "and", .ops = &mov_ops, }, | |
7a997fe4 | 337 | { .name = "bts", .ops = &mov_ops, }, |
d86b0597 ACM |
338 | { .name = "call", .ops = &call_ops, }, |
339 | { .name = "callq", .ops = &call_ops, }, | |
6de783b6 ACM |
340 | { .name = "cmp", .ops = &mov_ops, }, |
341 | { .name = "cmpb", .ops = &mov_ops, }, | |
342 | { .name = "cmpl", .ops = &mov_ops, }, | |
343 | { .name = "cmpq", .ops = &mov_ops, }, | |
344 | { .name = "cmpw", .ops = &mov_ops, }, | |
345 | { .name = "cmpxch", .ops = &mov_ops, }, | |
a43712c4 ACM |
346 | { .name = "dec", .ops = &dec_ops, }, |
347 | { .name = "decl", .ops = &dec_ops, }, | |
6de783b6 | 348 | { .name = "imul", .ops = &mov_ops, }, |
a43712c4 ACM |
349 | { .name = "inc", .ops = &dec_ops, }, |
350 | { .name = "incl", .ops = &dec_ops, }, | |
4f9d0325 | 351 | { .name = "ja", .ops = &jump_ops, }, |
3f862fd0 ACM |
352 | { .name = "jae", .ops = &jump_ops, }, |
353 | { .name = "jb", .ops = &jump_ops, }, | |
354 | { .name = "jbe", .ops = &jump_ops, }, | |
355 | { .name = "jc", .ops = &jump_ops, }, | |
356 | { .name = "jcxz", .ops = &jump_ops, }, | |
4f9d0325 | 357 | { .name = "je", .ops = &jump_ops, }, |
3f862fd0 ACM |
358 | { .name = "jecxz", .ops = &jump_ops, }, |
359 | { .name = "jg", .ops = &jump_ops, }, | |
360 | { .name = "jge", .ops = &jump_ops, }, | |
361 | { .name = "jl", .ops = &jump_ops, }, | |
362 | { .name = "jle", .ops = &jump_ops, }, | |
4f9d0325 ACM |
363 | { .name = "jmp", .ops = &jump_ops, }, |
364 | { .name = "jmpq", .ops = &jump_ops, }, | |
3f862fd0 ACM |
365 | { .name = "jna", .ops = &jump_ops, }, |
366 | { .name = "jnae", .ops = &jump_ops, }, | |
367 | { .name = "jnb", .ops = &jump_ops, }, | |
368 | { .name = "jnbe", .ops = &jump_ops, }, | |
369 | { .name = "jnc", .ops = &jump_ops, }, | |
4f9d0325 | 370 | { .name = "jne", .ops = &jump_ops, }, |
3f862fd0 ACM |
371 | { .name = "jng", .ops = &jump_ops, }, |
372 | { .name = "jnge", .ops = &jump_ops, }, | |
373 | { .name = "jnl", .ops = &jump_ops, }, | |
374 | { .name = "jnle", .ops = &jump_ops, }, | |
375 | { .name = "jno", .ops = &jump_ops, }, | |
376 | { .name = "jnp", .ops = &jump_ops, }, | |
377 | { .name = "jns", .ops = &jump_ops, }, | |
378 | { .name = "jnz", .ops = &jump_ops, }, | |
379 | { .name = "jo", .ops = &jump_ops, }, | |
380 | { .name = "jp", .ops = &jump_ops, }, | |
381 | { .name = "jpe", .ops = &jump_ops, }, | |
382 | { .name = "jpo", .ops = &jump_ops, }, | |
383 | { .name = "jrcxz", .ops = &jump_ops, }, | |
4f9d0325 | 384 | { .name = "js", .ops = &jump_ops, }, |
3f862fd0 | 385 | { .name = "jz", .ops = &jump_ops, }, |
6de783b6 | 386 | { .name = "lea", .ops = &mov_ops, }, |
7a997fe4 | 387 | { .name = "lock", .ops = &lock_ops, }, |
6de783b6 ACM |
388 | { .name = "mov", .ops = &mov_ops, }, |
389 | { .name = "movb", .ops = &mov_ops, }, | |
390 | { .name = "movdqa",.ops = &mov_ops, }, | |
391 | { .name = "movl", .ops = &mov_ops, }, | |
392 | { .name = "movq", .ops = &mov_ops, }, | |
393 | { .name = "movslq", .ops = &mov_ops, }, | |
394 | { .name = "movzbl", .ops = &mov_ops, }, | |
395 | { .name = "movzwl", .ops = &mov_ops, }, | |
b9818e93 ACM |
396 | { .name = "nop", .ops = &nop_ops, }, |
397 | { .name = "nopl", .ops = &nop_ops, }, | |
398 | { .name = "nopw", .ops = &nop_ops, }, | |
6de783b6 ACM |
399 | { .name = "or", .ops = &mov_ops, }, |
400 | { .name = "orl", .ops = &mov_ops, }, | |
401 | { .name = "test", .ops = &mov_ops, }, | |
402 | { .name = "testb", .ops = &mov_ops, }, | |
403 | { .name = "testl", .ops = &mov_ops, }, | |
7a997fe4 | 404 | { .name = "xadd", .ops = &mov_ops, }, |
ffadcf09 AK |
405 | { .name = "xbeginl", .ops = &jump_ops, }, |
406 | { .name = "xbeginq", .ops = &jump_ops, }, | |
4f9d0325 ACM |
407 | }; |
408 | ||
409 | static int ins__cmp(const void *name, const void *insp) | |
410 | { | |
411 | const struct ins *ins = insp; | |
412 | ||
413 | return strcmp(name, ins->name); | |
414 | } | |
415 | ||
416 | static struct ins *ins__find(const char *name) | |
417 | { | |
418 | const int nmemb = ARRAY_SIZE(instructions); | |
419 | ||
420 | return bsearch(name, instructions, nmemb, sizeof(struct ins), ins__cmp); | |
421 | } | |
422 | ||
1d037ca1 | 423 | int symbol__annotate_init(struct map *map __maybe_unused, struct symbol *sym) |
78f7defe ACM |
424 | { |
425 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab ACM |
426 | pthread_mutex_init(¬es->lock, NULL); |
427 | return 0; | |
428 | } | |
78f7defe | 429 | |
d04b35f8 | 430 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
431 | { |
432 | struct annotation *notes = symbol__annotation(sym); | |
1b2e2df4 | 433 | const size_t size = symbol__size(sym); |
8696329b CS |
434 | size_t sizeof_sym_hist; |
435 | ||
436 | /* Check for overflow when calculating sizeof_sym_hist */ | |
437 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(u64)) | |
438 | return -1; | |
439 | ||
440 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(u64)); | |
441 | ||
442 | /* Check for overflow in zalloc argument */ | |
443 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
444 | / symbol_conf.nr_events) | |
445 | return -1; | |
ce6f4fab | 446 | |
d04b35f8 | 447 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
448 | if (notes->src == NULL) |
449 | return -1; | |
450 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 451 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
452 | INIT_LIST_HEAD(¬es->src->source); |
453 | return 0; | |
78f7defe ACM |
454 | } |
455 | ||
36532461 ACM |
456 | void symbol__annotate_zero_histograms(struct symbol *sym) |
457 | { | |
458 | struct annotation *notes = symbol__annotation(sym); | |
459 | ||
ce6f4fab ACM |
460 | pthread_mutex_lock(¬es->lock); |
461 | if (notes->src != NULL) | |
462 | memset(notes->src->histograms, 0, | |
463 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
464 | pthread_mutex_unlock(¬es->lock); | |
36532461 ACM |
465 | } |
466 | ||
2f525d01 ACM |
467 | int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
468 | int evidx, u64 addr) | |
78f7defe | 469 | { |
2f525d01 | 470 | unsigned offset; |
78f7defe ACM |
471 | struct annotation *notes; |
472 | struct sym_hist *h; | |
473 | ||
78f7defe | 474 | notes = symbol__annotation(sym); |
ce6f4fab | 475 | if (notes->src == NULL) |
78f7defe ACM |
476 | return -ENOMEM; |
477 | ||
78f7defe ACM |
478 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
479 | ||
31d68e7b ACM |
480 | if (addr < sym->start || addr > sym->end) |
481 | return -ERANGE; | |
78f7defe | 482 | |
2f525d01 ACM |
483 | offset = addr - sym->start; |
484 | h = annotation__histogram(notes, evidx); | |
78f7defe ACM |
485 | h->sum++; |
486 | h->addr[offset]++; | |
487 | ||
488 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
2f525d01 ACM |
489 | ", evidx=%d] => %" PRIu64 "\n", sym->start, sym->name, |
490 | addr, addr - sym->start, evidx, h->addr[offset]); | |
78f7defe ACM |
491 | return 0; |
492 | } | |
493 | ||
4f9d0325 ACM |
494 | static void disasm_line__init_ins(struct disasm_line *dl) |
495 | { | |
496 | dl->ins = ins__find(dl->name); | |
497 | ||
498 | if (dl->ins == NULL) | |
499 | return; | |
500 | ||
501 | if (!dl->ins->ops) | |
502 | return; | |
503 | ||
c7e6ead7 ACM |
504 | if (dl->ins->ops->parse) |
505 | dl->ins->ops->parse(&dl->ops); | |
4f9d0325 ACM |
506 | } |
507 | ||
7a997fe4 ACM |
508 | static int disasm_line__parse(char *line, char **namep, char **rawp) |
509 | { | |
510 | char *name = line, tmp; | |
511 | ||
512 | while (isspace(name[0])) | |
513 | ++name; | |
514 | ||
515 | if (name[0] == '\0') | |
516 | return -1; | |
517 | ||
518 | *rawp = name + 1; | |
519 | ||
520 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
521 | ++*rawp; | |
522 | ||
523 | tmp = (*rawp)[0]; | |
524 | (*rawp)[0] = '\0'; | |
525 | *namep = strdup(name); | |
526 | ||
527 | if (*namep == NULL) | |
528 | goto out_free_name; | |
529 | ||
530 | (*rawp)[0] = tmp; | |
531 | ||
532 | if ((*rawp)[0] != '\0') { | |
533 | (*rawp)++; | |
534 | while (isspace((*rawp)[0])) | |
535 | ++(*rawp); | |
536 | } | |
537 | ||
538 | return 0; | |
539 | ||
540 | out_free_name: | |
541 | free(*namep); | |
542 | *namep = NULL; | |
543 | return -1; | |
544 | } | |
545 | ||
29ed6e76 | 546 | static struct disasm_line *disasm_line__new(s64 offset, char *line, size_t privsize) |
78f7defe | 547 | { |
5145418b | 548 | struct disasm_line *dl = zalloc(sizeof(*dl) + privsize); |
78f7defe | 549 | |
29ed6e76 ACM |
550 | if (dl != NULL) { |
551 | dl->offset = offset; | |
552 | dl->line = strdup(line); | |
553 | if (dl->line == NULL) | |
058b4cc9 | 554 | goto out_delete; |
5145418b ACM |
555 | |
556 | if (offset != -1) { | |
7a997fe4 | 557 | if (disasm_line__parse(dl->line, &dl->name, &dl->ops.raw) < 0) |
5145418b ACM |
558 | goto out_free_line; |
559 | ||
4f9d0325 | 560 | disasm_line__init_ins(dl); |
5145418b | 561 | } |
78f7defe ACM |
562 | } |
563 | ||
29ed6e76 | 564 | return dl; |
5145418b ACM |
565 | |
566 | out_free_line: | |
567 | free(dl->line); | |
058b4cc9 | 568 | out_delete: |
29ed6e76 | 569 | free(dl); |
058b4cc9 | 570 | return NULL; |
78f7defe ACM |
571 | } |
572 | ||
29ed6e76 | 573 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 574 | { |
29ed6e76 | 575 | free(dl->line); |
5145418b | 576 | free(dl->name); |
c46219ac ACM |
577 | if (dl->ins && dl->ins->ops->free) |
578 | dl->ins->ops->free(&dl->ops); | |
579 | else | |
580 | ins__delete(&dl->ops); | |
29ed6e76 | 581 | free(dl); |
78f7defe ACM |
582 | } |
583 | ||
5417072b ACM |
584 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
585 | { | |
586 | if (raw || !dl->ins) | |
587 | return scnprintf(bf, size, "%-6.6s %s", dl->name, dl->ops.raw); | |
588 | ||
589 | return ins__scnprintf(dl->ins, bf, size, &dl->ops); | |
590 | } | |
591 | ||
29ed6e76 | 592 | static void disasm__add(struct list_head *head, struct disasm_line *line) |
78f7defe ACM |
593 | { |
594 | list_add_tail(&line->node, head); | |
595 | } | |
596 | ||
29ed6e76 | 597 | struct disasm_line *disasm__get_next_ip_line(struct list_head *head, struct disasm_line *pos) |
78f7defe ACM |
598 | { |
599 | list_for_each_entry_continue(pos, head, node) | |
600 | if (pos->offset >= 0) | |
601 | return pos; | |
602 | ||
603 | return NULL; | |
604 | } | |
605 | ||
e64aa75b NK |
606 | double disasm__calc_percent(struct annotation *notes, int evidx, s64 offset, |
607 | s64 end, const char **path) | |
e5ccf9f4 NK |
608 | { |
609 | struct source_line *src_line = notes->src->lines; | |
e5ccf9f4 NK |
610 | double percent = 0.0; |
611 | ||
bd64fcb8 | 612 | if (src_line) { |
1491c22a NK |
613 | size_t sizeof_src_line = sizeof(*src_line) + |
614 | sizeof(src_line->p) * (src_line->nr_pcnt - 1); | |
615 | ||
bd64fcb8 | 616 | while (offset < end) { |
1491c22a NK |
617 | src_line = (void *)notes->src->lines + |
618 | (sizeof_src_line * offset); | |
619 | ||
e5ccf9f4 | 620 | if (*path == NULL) |
1491c22a | 621 | *path = src_line->path; |
e5ccf9f4 | 622 | |
1491c22a NK |
623 | percent += src_line->p[evidx].percent; |
624 | offset++; | |
bd64fcb8 NK |
625 | } |
626 | } else { | |
1491c22a NK |
627 | struct sym_hist *h = annotation__histogram(notes, evidx); |
628 | unsigned int hits = 0; | |
629 | ||
bd64fcb8 NK |
630 | while (offset < end) |
631 | hits += h->addr[offset++]; | |
e5ccf9f4 | 632 | |
bd64fcb8 NK |
633 | if (h->sum) |
634 | percent = 100.0 * hits / h->sum; | |
635 | } | |
e5ccf9f4 NK |
636 | |
637 | return percent; | |
638 | } | |
639 | ||
29ed6e76 | 640 | static int disasm_line__print(struct disasm_line *dl, struct symbol *sym, u64 start, |
db8fd07a | 641 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, |
29ed6e76 | 642 | int max_lines, struct disasm_line *queue) |
78f7defe ACM |
643 | { |
644 | static const char *prev_line; | |
645 | static const char *prev_color; | |
646 | ||
29ed6e76 | 647 | if (dl->offset != -1) { |
78f7defe | 648 | const char *path = NULL; |
b1dd4432 NK |
649 | double percent, max_percent = 0.0; |
650 | double *ppercents = &percent; | |
651 | int i, nr_percent = 1; | |
78f7defe ACM |
652 | const char *color; |
653 | struct annotation *notes = symbol__annotation(sym); | |
29ed6e76 | 654 | s64 offset = dl->offset; |
058b4cc9 | 655 | const u64 addr = start + offset; |
29ed6e76 | 656 | struct disasm_line *next; |
ce6f4fab | 657 | |
29ed6e76 | 658 | next = disasm__get_next_ip_line(¬es->src->source, dl); |
78f7defe | 659 | |
759ff497 | 660 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 NK |
661 | nr_percent = evsel->nr_members; |
662 | ppercents = calloc(nr_percent, sizeof(double)); | |
663 | if (ppercents == NULL) | |
664 | return -1; | |
665 | } | |
666 | ||
667 | for (i = 0; i < nr_percent; i++) { | |
668 | percent = disasm__calc_percent(notes, | |
1491c22a NK |
669 | notes->src->lines ? i : evsel->idx + i, |
670 | offset, | |
671 | next ? next->offset : (s64) len, | |
672 | &path); | |
b1dd4432 NK |
673 | |
674 | ppercents[i] = percent; | |
675 | if (percent > max_percent) | |
676 | max_percent = percent; | |
677 | } | |
678 | ||
679 | if (max_percent < min_pcnt) | |
36532461 ACM |
680 | return -1; |
681 | ||
e3087b80 | 682 | if (max_lines && printed >= max_lines) |
36532461 | 683 | return 1; |
d040bd36 | 684 | |
d5e3d747 ACM |
685 | if (queue != NULL) { |
686 | list_for_each_entry_from(queue, ¬es->src->source, node) { | |
29ed6e76 | 687 | if (queue == dl) |
d5e3d747 | 688 | break; |
db8fd07a | 689 | disasm_line__print(queue, sym, start, evsel, len, |
d5e3d747 ACM |
690 | 0, 0, 1, NULL); |
691 | } | |
692 | } | |
693 | ||
b1dd4432 | 694 | color = get_percent_color(max_percent); |
78f7defe ACM |
695 | |
696 | /* | |
697 | * Also color the filename and line if needed, with | |
698 | * the same color than the percentage. Don't print it | |
699 | * twice for close colored addr with the same filename:line | |
700 | */ | |
701 | if (path) { | |
702 | if (!prev_line || strcmp(prev_line, path) | |
703 | || color != prev_color) { | |
704 | color_fprintf(stdout, color, " %s", path); | |
705 | prev_line = path; | |
706 | prev_color = color; | |
707 | } | |
708 | } | |
709 | ||
b1dd4432 NK |
710 | for (i = 0; i < nr_percent; i++) { |
711 | percent = ppercents[i]; | |
712 | color = get_percent_color(percent); | |
713 | color_fprintf(stdout, color, " %7.2f", percent); | |
714 | } | |
715 | ||
78f7defe | 716 | printf(" : "); |
058b4cc9 | 717 | color_fprintf(stdout, PERF_COLOR_MAGENTA, " %" PRIx64 ":", addr); |
29ed6e76 | 718 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", dl->line); |
b1dd4432 NK |
719 | |
720 | if (ppercents != &percent) | |
721 | free(ppercents); | |
722 | ||
e3087b80 | 723 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
724 | return 1; |
725 | else { | |
b1dd4432 NK |
726 | int width = 8; |
727 | ||
d5e3d747 ACM |
728 | if (queue) |
729 | return -1; | |
730 | ||
759ff497 | 731 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
732 | width *= evsel->nr_members; |
733 | ||
29ed6e76 | 734 | if (!*dl->line) |
b1dd4432 | 735 | printf(" %*s:\n", width, " "); |
78f7defe | 736 | else |
b1dd4432 | 737 | printf(" %*s: %s\n", width, " ", dl->line); |
78f7defe | 738 | } |
36532461 ACM |
739 | |
740 | return 0; | |
78f7defe ACM |
741 | } |
742 | ||
3aec150a NK |
743 | /* |
744 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
745 | * which looks like following | |
746 | * | |
747 | * 0000000000415500 <_init>: | |
748 | * 415500: sub $0x8,%rsp | |
749 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
750 | * 41550b: test %rax,%rax | |
751 | * 41550e: je 415515 <_init+0x15> | |
752 | * 415510: callq 416e70 <__gmon_start__@plt> | |
753 | * 415515: add $0x8,%rsp | |
754 | * 415519: retq | |
755 | * | |
756 | * it will be parsed and saved into struct disasm_line as | |
757 | * <offset> <name> <ops.raw> | |
758 | * | |
759 | * The offset will be a relative offset from the start of the symbol and -1 | |
760 | * means that it's not a disassembly line so should be treated differently. | |
761 | * The ops.raw part will be parsed further according to type of the instruction. | |
762 | */ | |
ce6f4fab ACM |
763 | static int symbol__parse_objdump_line(struct symbol *sym, struct map *map, |
764 | FILE *file, size_t privsize) | |
78f7defe | 765 | { |
ce6f4fab | 766 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 767 | struct disasm_line *dl; |
058b4cc9 | 768 | char *line = NULL, *parsed_line, *tmp, *tmp2, *c; |
78f7defe ACM |
769 | size_t line_len; |
770 | s64 line_ip, offset = -1; | |
771 | ||
772 | if (getline(&line, &line_len, file) < 0) | |
773 | return -1; | |
774 | ||
775 | if (!line) | |
776 | return -1; | |
777 | ||
778 | while (line_len != 0 && isspace(line[line_len - 1])) | |
779 | line[--line_len] = '\0'; | |
780 | ||
781 | c = strchr(line, '\n'); | |
782 | if (c) | |
783 | *c = 0; | |
784 | ||
785 | line_ip = -1; | |
a31b7cc0 | 786 | parsed_line = line; |
78f7defe ACM |
787 | |
788 | /* | |
789 | * Strip leading spaces: | |
790 | */ | |
791 | tmp = line; | |
792 | while (*tmp) { | |
793 | if (*tmp != ' ') | |
794 | break; | |
795 | tmp++; | |
796 | } | |
797 | ||
798 | if (*tmp) { | |
799 | /* | |
800 | * Parse hexa addresses followed by ':' | |
801 | */ | |
802 | line_ip = strtoull(tmp, &tmp2, 16); | |
803 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
804 | line_ip = -1; | |
805 | } | |
806 | ||
807 | if (line_ip != -1) { | |
808 | u64 start = map__rip_2objdump(map, sym->start), | |
809 | end = map__rip_2objdump(map, sym->end); | |
810 | ||
811 | offset = line_ip - start; | |
886b37ba | 812 | if ((u64)line_ip < start || (u64)line_ip > end) |
78f7defe | 813 | offset = -1; |
058b4cc9 ACM |
814 | else |
815 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 816 | } |
78f7defe | 817 | |
29ed6e76 | 818 | dl = disasm_line__new(offset, parsed_line, privsize); |
058b4cc9 ACM |
819 | free(line); |
820 | ||
29ed6e76 | 821 | if (dl == NULL) |
78f7defe | 822 | return -1; |
058b4cc9 | 823 | |
bbb7f846 AH |
824 | if (dl->ops.target.offset == UINT64_MAX) |
825 | dl->ops.target.offset = dl->ops.target.addr - | |
826 | map__rip_2objdump(map, sym->start); | |
827 | ||
6e427ab0 | 828 | /* kcore has no symbols, so add the call target name */ |
b178170a | 829 | if (dl->ins && ins__is_call(dl->ins) && !dl->ops.target.name) { |
6e427ab0 AH |
830 | struct addr_map_symbol target = { |
831 | .map = map, | |
832 | .addr = dl->ops.target.addr, | |
833 | }; | |
834 | ||
835 | if (!map_groups__find_ams(&target, NULL) && | |
836 | target.sym->start == target.al_addr) | |
837 | dl->ops.target.name = strdup(target.sym->name); | |
b178170a AH |
838 | } |
839 | ||
29ed6e76 | 840 | disasm__add(¬es->src->source, dl); |
78f7defe ACM |
841 | |
842 | return 0; | |
843 | } | |
844 | ||
484a5e74 AH |
845 | static void delete_last_nop(struct symbol *sym) |
846 | { | |
847 | struct annotation *notes = symbol__annotation(sym); | |
848 | struct list_head *list = ¬es->src->source; | |
849 | struct disasm_line *dl; | |
850 | ||
851 | while (!list_empty(list)) { | |
852 | dl = list_entry(list->prev, struct disasm_line, node); | |
853 | ||
854 | if (dl->ins && dl->ins->ops) { | |
855 | if (dl->ins->ops != &nop_ops) | |
856 | return; | |
857 | } else { | |
858 | if (!strstr(dl->line, " nop ") && | |
859 | !strstr(dl->line, " nopl ") && | |
860 | !strstr(dl->line, " nopw ")) | |
861 | return; | |
862 | } | |
863 | ||
864 | list_del(&dl->node); | |
865 | disasm_line__free(dl); | |
866 | } | |
867 | } | |
868 | ||
ce6f4fab | 869 | int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize) |
78f7defe ACM |
870 | { |
871 | struct dso *dso = map->dso; | |
872 | char *filename = dso__build_id_filename(dso, NULL, 0); | |
873 | bool free_filename = true; | |
874 | char command[PATH_MAX * 2]; | |
875 | FILE *file; | |
876 | int err = 0; | |
78f7defe | 877 | char symfs_filename[PATH_MAX]; |
afba19d9 AH |
878 | struct kcore_extract kce; |
879 | bool delete_extract = false; | |
78f7defe ACM |
880 | |
881 | if (filename) { | |
882 | snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", | |
883 | symbol_conf.symfs, filename); | |
884 | } | |
885 | ||
886 | if (filename == NULL) { | |
887 | if (dso->has_build_id) { | |
888 | pr_err("Can't annotate %s: not enough memory\n", | |
889 | sym->name); | |
890 | return -ENOMEM; | |
891 | } | |
892 | goto fallback; | |
893 | } else if (readlink(symfs_filename, command, sizeof(command)) < 0 || | |
894 | strstr(command, "[kernel.kallsyms]") || | |
895 | access(symfs_filename, R_OK)) { | |
896 | free(filename); | |
897 | fallback: | |
898 | /* | |
899 | * If we don't have build-ids or the build-id file isn't in the | |
900 | * cache, or is just a kallsyms file, well, lets hope that this | |
901 | * DSO is the same as when 'perf record' ran. | |
902 | */ | |
903 | filename = dso->long_name; | |
904 | snprintf(symfs_filename, sizeof(symfs_filename), "%s%s", | |
905 | symbol_conf.symfs, filename); | |
906 | free_filename = false; | |
907 | } | |
908 | ||
bbb7f846 AH |
909 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
910 | !dso__is_kcore(dso)) { | |
170ae6bc ACM |
911 | char bf[BUILD_ID_SIZE * 2 + 16] = " with build id "; |
912 | char *build_id_msg = NULL; | |
913 | ||
78f7defe ACM |
914 | if (dso->annotate_warned) |
915 | goto out_free_filename; | |
170ae6bc ACM |
916 | |
917 | if (dso->has_build_id) { | |
918 | build_id__sprintf(dso->build_id, | |
919 | sizeof(dso->build_id), bf + 15); | |
920 | build_id_msg = bf; | |
921 | } | |
78f7defe ACM |
922 | err = -ENOENT; |
923 | dso->annotate_warned = 1; | |
ae55795e ACM |
924 | pr_err("Can't annotate %s:\n\n" |
925 | "No vmlinux file%s\nwas found in the path.\n\n" | |
926 | "Please use:\n\n" | |
e3a34029 | 927 | " perf buildid-cache -vu vmlinux\n\n" |
ae55795e | 928 | "or:\n\n" |
ff2a6617 | 929 | " --vmlinux vmlinux\n", |
170ae6bc | 930 | sym->name, build_id_msg ?: ""); |
78f7defe ACM |
931 | goto out_free_filename; |
932 | } | |
933 | ||
934 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, | |
935 | filename, sym->name, map->unmap_ip(map, sym->start), | |
936 | map->unmap_ip(map, sym->end)); | |
937 | ||
78f7defe ACM |
938 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
939 | dso, dso->long_name, sym, sym->name); | |
940 | ||
afba19d9 AH |
941 | if (dso__is_kcore(dso)) { |
942 | kce.kcore_filename = symfs_filename; | |
943 | kce.addr = map__rip_2objdump(map, sym->start); | |
944 | kce.offs = sym->start; | |
945 | kce.len = sym->end + 1 - sym->start; | |
946 | if (!kcore_extract__create(&kce)) { | |
947 | delete_extract = true; | |
948 | strlcpy(symfs_filename, kce.extract_filename, | |
949 | sizeof(symfs_filename)); | |
950 | if (free_filename) { | |
951 | free(filename); | |
952 | free_filename = false; | |
953 | } | |
954 | filename = symfs_filename; | |
955 | } | |
956 | } | |
957 | ||
78f7defe | 958 | snprintf(command, sizeof(command), |
7a4ec938 | 959 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 960 | " --stop-address=0x%016" PRIx64 |
bbb7f846 | 961 | " -d %s %s -C %s 2>/dev/null|grep -v %s|expand", |
7a4ec938 | 962 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
963 | disassembler_style ? "-M " : "", |
964 | disassembler_style ? disassembler_style : "", | |
78f7defe | 965 | map__rip_2objdump(map, sym->start), |
f41612f4 | 966 | map__rip_2objdump(map, sym->end+1), |
3e6a2a7f SE |
967 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
968 | symbol_conf.annotate_src ? "-S" : "", | |
78f7defe ACM |
969 | symfs_filename, filename); |
970 | ||
971 | pr_debug("Executing: %s\n", command); | |
972 | ||
973 | file = popen(command, "r"); | |
974 | if (!file) | |
975 | goto out_free_filename; | |
976 | ||
977 | while (!feof(file)) | |
ce6f4fab | 978 | if (symbol__parse_objdump_line(sym, map, file, privsize) < 0) |
78f7defe ACM |
979 | break; |
980 | ||
484a5e74 AH |
981 | /* |
982 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
983 | * Remove it. | |
984 | */ | |
985 | if (dso__is_kcore(dso)) | |
986 | delete_last_nop(sym); | |
987 | ||
78f7defe ACM |
988 | pclose(file); |
989 | out_free_filename: | |
afba19d9 AH |
990 | if (delete_extract) |
991 | kcore_extract__delete(&kce); | |
78f7defe ACM |
992 | if (free_filename) |
993 | free(filename); | |
994 | return err; | |
995 | } | |
996 | ||
997 | static void insert_source_line(struct rb_root *root, struct source_line *src_line) | |
998 | { | |
999 | struct source_line *iter; | |
1000 | struct rb_node **p = &root->rb_node; | |
1001 | struct rb_node *parent = NULL; | |
1491c22a | 1002 | int i, ret; |
78f7defe ACM |
1003 | |
1004 | while (*p != NULL) { | |
1005 | parent = *p; | |
1006 | iter = rb_entry(parent, struct source_line, node); | |
1007 | ||
41127965 NK |
1008 | ret = strcmp(iter->path, src_line->path); |
1009 | if (ret == 0) { | |
1491c22a NK |
1010 | for (i = 0; i < src_line->nr_pcnt; i++) |
1011 | iter->p[i].percent_sum += src_line->p[i].percent; | |
41127965 NK |
1012 | return; |
1013 | } | |
1014 | ||
1015 | if (ret < 0) | |
1016 | p = &(*p)->rb_left; | |
1017 | else | |
1018 | p = &(*p)->rb_right; | |
1019 | } | |
1020 | ||
1491c22a NK |
1021 | for (i = 0; i < src_line->nr_pcnt; i++) |
1022 | src_line->p[i].percent_sum = src_line->p[i].percent; | |
41127965 NK |
1023 | |
1024 | rb_link_node(&src_line->node, parent, p); | |
1025 | rb_insert_color(&src_line->node, root); | |
1026 | } | |
1027 | ||
1491c22a NK |
1028 | static int cmp_source_line(struct source_line *a, struct source_line *b) |
1029 | { | |
1030 | int i; | |
1031 | ||
1032 | for (i = 0; i < a->nr_pcnt; i++) { | |
1033 | if (a->p[i].percent_sum == b->p[i].percent_sum) | |
1034 | continue; | |
1035 | return a->p[i].percent_sum > b->p[i].percent_sum; | |
1036 | } | |
1037 | ||
1038 | return 0; | |
1039 | } | |
1040 | ||
41127965 NK |
1041 | static void __resort_source_line(struct rb_root *root, struct source_line *src_line) |
1042 | { | |
1043 | struct source_line *iter; | |
1044 | struct rb_node **p = &root->rb_node; | |
1045 | struct rb_node *parent = NULL; | |
1046 | ||
1047 | while (*p != NULL) { | |
1048 | parent = *p; | |
1049 | iter = rb_entry(parent, struct source_line, node); | |
1050 | ||
1491c22a | 1051 | if (cmp_source_line(src_line, iter)) |
78f7defe ACM |
1052 | p = &(*p)->rb_left; |
1053 | else | |
1054 | p = &(*p)->rb_right; | |
1055 | } | |
1056 | ||
1057 | rb_link_node(&src_line->node, parent, p); | |
1058 | rb_insert_color(&src_line->node, root); | |
1059 | } | |
1060 | ||
41127965 NK |
1061 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1062 | { | |
1063 | struct source_line *src_line; | |
1064 | struct rb_node *node; | |
1065 | ||
1066 | node = rb_first(src_root); | |
1067 | while (node) { | |
1068 | struct rb_node *next; | |
1069 | ||
1070 | src_line = rb_entry(node, struct source_line, node); | |
1071 | next = rb_next(node); | |
1072 | rb_erase(node, src_root); | |
1073 | ||
1074 | __resort_source_line(dest_root, src_line); | |
1075 | node = next; | |
1076 | } | |
1077 | } | |
1078 | ||
78f7defe ACM |
1079 | static void symbol__free_source_line(struct symbol *sym, int len) |
1080 | { | |
1081 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1082 | struct source_line *src_line = notes->src->lines; |
1491c22a | 1083 | size_t sizeof_src_line; |
78f7defe ACM |
1084 | int i; |
1085 | ||
1491c22a NK |
1086 | sizeof_src_line = sizeof(*src_line) + |
1087 | (sizeof(src_line->p) * (src_line->nr_pcnt - 1)); | |
78f7defe | 1088 | |
1491c22a | 1089 | for (i = 0; i < len; i++) { |
f048d548 | 1090 | free_srcline(src_line->path); |
1491c22a NK |
1091 | src_line = (void *)src_line + sizeof_src_line; |
1092 | } | |
1093 | ||
1094 | free(notes->src->lines); | |
ce6f4fab | 1095 | notes->src->lines = NULL; |
78f7defe ACM |
1096 | } |
1097 | ||
1098 | /* Get the filename:line for the colored entries */ | |
1099 | static int symbol__get_source_line(struct symbol *sym, struct map *map, | |
db8fd07a | 1100 | struct perf_evsel *evsel, |
86c98cab | 1101 | struct rb_root *root, int len) |
78f7defe ACM |
1102 | { |
1103 | u64 start; | |
1491c22a NK |
1104 | int i, k; |
1105 | int evidx = evsel->idx; | |
78f7defe ACM |
1106 | struct source_line *src_line; |
1107 | struct annotation *notes = symbol__annotation(sym); | |
1491c22a | 1108 | struct sym_hist *h = annotation__histogram(notes, evidx); |
41127965 | 1109 | struct rb_root tmp_root = RB_ROOT; |
1491c22a NK |
1110 | int nr_pcnt = 1; |
1111 | u64 h_sum = h->sum; | |
1112 | size_t sizeof_src_line = sizeof(struct source_line); | |
1113 | ||
1114 | if (perf_evsel__is_group_event(evsel)) { | |
1115 | for (i = 1; i < evsel->nr_members; i++) { | |
1116 | h = annotation__histogram(notes, evidx + i); | |
1117 | h_sum += h->sum; | |
1118 | } | |
1119 | nr_pcnt = evsel->nr_members; | |
1120 | sizeof_src_line += (nr_pcnt - 1) * sizeof(src_line->p); | |
1121 | } | |
78f7defe | 1122 | |
1491c22a | 1123 | if (!h_sum) |
78f7defe ACM |
1124 | return 0; |
1125 | ||
1491c22a | 1126 | src_line = notes->src->lines = calloc(len, sizeof_src_line); |
ce6f4fab | 1127 | if (!notes->src->lines) |
78f7defe ACM |
1128 | return -1; |
1129 | ||
f40a0633 | 1130 | start = map__rip_2objdump(map, sym->start); |
78f7defe ACM |
1131 | |
1132 | for (i = 0; i < len; i++) { | |
78f7defe | 1133 | u64 offset; |
1491c22a | 1134 | double percent_max = 0.0; |
78f7defe | 1135 | |
1491c22a NK |
1136 | src_line->nr_pcnt = nr_pcnt; |
1137 | ||
1138 | for (k = 0; k < nr_pcnt; k++) { | |
1139 | h = annotation__histogram(notes, evidx + k); | |
1140 | src_line->p[k].percent = 100.0 * h->addr[i] / h->sum; | |
1141 | ||
1142 | if (src_line->p[k].percent > percent_max) | |
1143 | percent_max = src_line->p[k].percent; | |
1144 | } | |
1145 | ||
1146 | if (percent_max <= 0.5) | |
1147 | goto next; | |
78f7defe ACM |
1148 | |
1149 | offset = start + i; | |
86c98cab | 1150 | src_line->path = get_srcline(map->dso, offset); |
1491c22a | 1151 | insert_source_line(&tmp_root, src_line); |
78f7defe | 1152 | |
1491c22a NK |
1153 | next: |
1154 | src_line = (void *)src_line + sizeof_src_line; | |
78f7defe ACM |
1155 | } |
1156 | ||
41127965 | 1157 | resort_source_line(root, &tmp_root); |
78f7defe ACM |
1158 | return 0; |
1159 | } | |
1160 | ||
1161 | static void print_summary(struct rb_root *root, const char *filename) | |
1162 | { | |
1163 | struct source_line *src_line; | |
1164 | struct rb_node *node; | |
1165 | ||
1166 | printf("\nSorted summary for file %s\n", filename); | |
1167 | printf("----------------------------------------------\n\n"); | |
1168 | ||
1169 | if (RB_EMPTY_ROOT(root)) { | |
1170 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1171 | return; | |
1172 | } | |
1173 | ||
1174 | node = rb_first(root); | |
1175 | while (node) { | |
1491c22a | 1176 | double percent, percent_max = 0.0; |
78f7defe ACM |
1177 | const char *color; |
1178 | char *path; | |
1491c22a | 1179 | int i; |
78f7defe ACM |
1180 | |
1181 | src_line = rb_entry(node, struct source_line, node); | |
1491c22a NK |
1182 | for (i = 0; i < src_line->nr_pcnt; i++) { |
1183 | percent = src_line->p[i].percent_sum; | |
1184 | color = get_percent_color(percent); | |
1185 | color_fprintf(stdout, color, " %7.2f", percent); | |
1186 | ||
1187 | if (percent > percent_max) | |
1188 | percent_max = percent; | |
1189 | } | |
1190 | ||
78f7defe | 1191 | path = src_line->path; |
1491c22a | 1192 | color = get_percent_color(percent_max); |
f048d548 | 1193 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1194 | |
78f7defe ACM |
1195 | node = rb_next(node); |
1196 | } | |
1197 | } | |
1198 | ||
db8fd07a | 1199 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1200 | { |
1201 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1202 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1203 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1204 | |
1205 | for (offset = 0; offset < len; ++offset) | |
1206 | if (h->addr[offset] != 0) | |
1207 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, | |
1208 | sym->start + offset, h->addr[offset]); | |
1209 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->sum", h->sum); | |
1210 | } | |
1211 | ||
db8fd07a NK |
1212 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1213 | struct perf_evsel *evsel, bool full_paths, | |
1214 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1215 | { |
1216 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1217 | char *filename; |
1218 | const char *d_filename; | |
ce6f4fab | 1219 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1220 | struct disasm_line *pos, *queue = NULL; |
058b4cc9 | 1221 | u64 start = map__rip_2objdump(map, sym->start); |
d5e3d747 | 1222 | int printed = 2, queue_len = 0; |
36532461 | 1223 | int more = 0; |
78f7defe | 1224 | u64 len; |
b1dd4432 NK |
1225 | int width = 8; |
1226 | int namelen; | |
78f7defe | 1227 | |
bfd14b9a DA |
1228 | filename = strdup(dso->long_name); |
1229 | if (!filename) | |
1230 | return -ENOMEM; | |
1231 | ||
78f7defe ACM |
1232 | if (full_paths) |
1233 | d_filename = filename; | |
1234 | else | |
1235 | d_filename = basename(filename); | |
1236 | ||
1b2e2df4 | 1237 | len = symbol__size(sym); |
b1dd4432 NK |
1238 | namelen = strlen(d_filename); |
1239 | ||
759ff497 | 1240 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1241 | width *= evsel->nr_members; |
78f7defe | 1242 | |
b1dd4432 NK |
1243 | printf(" %-*.*s| Source code & Disassembly of %s\n", |
1244 | width, width, "Percent", d_filename); | |
1245 | printf("-%-*.*s-------------------------------------\n", | |
1246 | width+namelen, width+namelen, graph_dotted_line); | |
78f7defe ACM |
1247 | |
1248 | if (verbose) | |
db8fd07a | 1249 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1250 | |
ce6f4fab | 1251 | list_for_each_entry(pos, ¬es->src->source, node) { |
d5e3d747 ACM |
1252 | if (context && queue == NULL) { |
1253 | queue = pos; | |
1254 | queue_len = 0; | |
1255 | } | |
1256 | ||
db8fd07a | 1257 | switch (disasm_line__print(pos, sym, start, evsel, len, |
058b4cc9 ACM |
1258 | min_pcnt, printed, max_lines, |
1259 | queue)) { | |
36532461 ACM |
1260 | case 0: |
1261 | ++printed; | |
d5e3d747 ACM |
1262 | if (context) { |
1263 | printed += queue_len; | |
1264 | queue = NULL; | |
1265 | queue_len = 0; | |
1266 | } | |
36532461 ACM |
1267 | break; |
1268 | case 1: | |
1269 | /* filtered by max_lines */ | |
1270 | ++more; | |
d040bd36 | 1271 | break; |
36532461 ACM |
1272 | case -1: |
1273 | default: | |
d5e3d747 ACM |
1274 | /* |
1275 | * Filtered by min_pcnt or non IP lines when | |
1276 | * context != 0 | |
1277 | */ | |
1278 | if (!context) | |
1279 | break; | |
1280 | if (queue_len == context) | |
1281 | queue = list_entry(queue->node.next, typeof(*queue), node); | |
1282 | else | |
1283 | ++queue_len; | |
36532461 ACM |
1284 | break; |
1285 | } | |
1286 | } | |
1287 | ||
bfd14b9a DA |
1288 | free(filename); |
1289 | ||
36532461 ACM |
1290 | return more; |
1291 | } | |
f1e2701d | 1292 | |
36532461 ACM |
1293 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1294 | { | |
1295 | struct annotation *notes = symbol__annotation(sym); | |
1296 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1297 | ||
ce6f4fab | 1298 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1299 | } |
1300 | ||
ce6f4fab | 1301 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1302 | { |
1303 | struct annotation *notes = symbol__annotation(sym); | |
1304 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1305 | int len = symbol__size(sym), offset; |
36532461 ACM |
1306 | |
1307 | h->sum = 0; | |
8b84a568 ACM |
1308 | for (offset = 0; offset < len; ++offset) { |
1309 | h->addr[offset] = h->addr[offset] * 7 / 8; | |
1310 | h->sum += h->addr[offset]; | |
f1e2701d ACM |
1311 | } |
1312 | } | |
1313 | ||
29ed6e76 | 1314 | void disasm__purge(struct list_head *head) |
f1e2701d | 1315 | { |
29ed6e76 | 1316 | struct disasm_line *pos, *n; |
f1e2701d ACM |
1317 | |
1318 | list_for_each_entry_safe(pos, n, head, node) { | |
1319 | list_del(&pos->node); | |
29ed6e76 | 1320 | disasm_line__free(pos); |
f1e2701d ACM |
1321 | } |
1322 | } | |
1323 | ||
5145418b ACM |
1324 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
1325 | { | |
1326 | size_t printed; | |
1327 | ||
1328 | if (dl->offset == -1) | |
1329 | return fprintf(fp, "%s\n", dl->line); | |
1330 | ||
1331 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->offset, dl->name); | |
1332 | ||
c7e6ead7 | 1333 | if (dl->ops.raw[0] != '\0') { |
5145418b | 1334 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 1335 | dl->ops.raw); |
5145418b ACM |
1336 | } |
1337 | ||
1338 | return printed + fprintf(fp, "\n"); | |
1339 | } | |
1340 | ||
1341 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
1342 | { | |
1343 | struct disasm_line *pos; | |
1344 | size_t printed = 0; | |
1345 | ||
1346 | list_for_each_entry(pos, head, node) | |
1347 | printed += disasm_line__fprintf(pos, fp); | |
1348 | ||
1349 | return printed; | |
1350 | } | |
1351 | ||
db8fd07a NK |
1352 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
1353 | struct perf_evsel *evsel, bool print_lines, | |
1354 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
1355 | { |
1356 | struct dso *dso = map->dso; | |
f1e2701d | 1357 | struct rb_root source_line = RB_ROOT; |
f1e2701d ACM |
1358 | u64 len; |
1359 | ||
ce6f4fab | 1360 | if (symbol__annotate(sym, map, 0) < 0) |
f1e2701d ACM |
1361 | return -1; |
1362 | ||
1b2e2df4 | 1363 | len = symbol__size(sym); |
f1e2701d ACM |
1364 | |
1365 | if (print_lines) { | |
86c98cab NK |
1366 | symbol__get_source_line(sym, map, evsel, &source_line, len); |
1367 | print_summary(&source_line, dso->long_name); | |
78f7defe ACM |
1368 | } |
1369 | ||
db8fd07a | 1370 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 1371 | min_pcnt, max_lines, 0); |
78f7defe ACM |
1372 | if (print_lines) |
1373 | symbol__free_source_line(sym, len); | |
1374 | ||
29ed6e76 | 1375 | disasm__purge(&symbol__annotation(sym)->src->source); |
f1e2701d | 1376 | |
78f7defe ACM |
1377 | return 0; |
1378 | } |