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