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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 | ||
a43783ae | 10 | #include <errno.h> |
fd20e811 | 11 | #include <inttypes.h> |
78f7defe | 12 | #include "util.h" |
48c65bda NK |
13 | #include "ui/ui.h" |
14 | #include "sort.h" | |
78f7defe ACM |
15 | #include "build-id.h" |
16 | #include "color.h" | |
17 | #include "cache.h" | |
18 | #include "symbol.h" | |
19 | #include "debug.h" | |
20 | #include "annotate.h" | |
db8fd07a | 21 | #include "evsel.h" |
70fbe057 | 22 | #include "block-range.h" |
a067558e | 23 | #include "string2.h" |
786c1b51 | 24 | #include "arch/common.h" |
e592488c | 25 | #include <regex.h> |
ce6f4fab | 26 | #include <pthread.h> |
4383db88 | 27 | #include <linux/bitops.h> |
877a7a11 | 28 | #include <linux/kernel.h> |
78f7defe | 29 | |
a1e9b74c ACM |
30 | /* FIXME: For the HE_COLORSET */ |
31 | #include "ui/browser.h" | |
32 | ||
33 | /* | |
34 | * FIXME: Using the same values as slang.h, | |
35 | * but that header may not be available everywhere | |
36 | */ | |
37 | #define LARROW_CHAR 0x1B | |
38 | #define RARROW_CHAR 0x1A | |
39 | #define DARROW_CHAR 0x19 | |
40 | #define UARROW_CHAR 0x18 | |
41 | ||
3d689ed6 ACM |
42 | #include "sane_ctype.h" |
43 | ||
f69b64f7 | 44 | const char *disassembler_style; |
7a4ec938 | 45 | const char *objdump_path; |
e592488c | 46 | static regex_t file_lineno; |
f69b64f7 | 47 | |
75b49202 | 48 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 49 | static void ins__sort(struct arch *arch); |
75b49202 | 50 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 51 | |
786c1b51 ACM |
52 | struct arch { |
53 | const char *name; | |
763d8960 ACM |
54 | struct ins *instructions; |
55 | size_t nr_instructions; | |
2a1ff812 ACM |
56 | size_t nr_instructions_allocated; |
57 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 58 | bool sorted_instructions; |
0781ea92 ACM |
59 | bool initialized; |
60 | void *priv; | |
69fb09f6 JY |
61 | unsigned int model; |
62 | unsigned int family; | |
696e2457 | 63 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
64 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
65 | const char *ins2); | |
786c1b51 ACM |
66 | struct { |
67 | char comment_char; | |
9c2fb451 | 68 | char skip_functions_char; |
786c1b51 ACM |
69 | } objdump; |
70 | }; | |
71 | ||
763d8960 ACM |
72 | static struct ins_ops call_ops; |
73 | static struct ins_ops dec_ops; | |
74 | static struct ins_ops jump_ops; | |
75 | static struct ins_ops mov_ops; | |
76 | static struct ins_ops nop_ops; | |
77 | static struct ins_ops lock_ops; | |
78 | static struct ins_ops ret_ops; | |
79 | ||
2a1ff812 ACM |
80 | static int arch__grow_instructions(struct arch *arch) |
81 | { | |
82 | struct ins *new_instructions; | |
83 | size_t new_nr_allocated; | |
84 | ||
85 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
86 | goto grow_from_non_allocated_table; | |
87 | ||
88 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
89 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
90 | if (new_instructions == NULL) | |
91 | return -1; | |
92 | ||
93 | out_update_instructions: | |
94 | arch->instructions = new_instructions; | |
95 | arch->nr_instructions_allocated = new_nr_allocated; | |
96 | return 0; | |
97 | ||
98 | grow_from_non_allocated_table: | |
99 | new_nr_allocated = arch->nr_instructions + 128; | |
100 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
101 | if (new_instructions == NULL) | |
102 | return -1; | |
103 | ||
104 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
105 | goto out_update_instructions; | |
106 | } | |
107 | ||
acc9bfb5 | 108 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
109 | { |
110 | struct ins *ins; | |
111 | ||
112 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
113 | arch__grow_instructions(arch)) | |
114 | return -1; | |
115 | ||
116 | ins = &arch->instructions[arch->nr_instructions]; | |
117 | ins->name = strdup(name); | |
118 | if (!ins->name) | |
119 | return -1; | |
120 | ||
121 | ins->ops = ops; | |
122 | arch->nr_instructions++; | |
123 | ||
124 | ins__sort(arch); | |
125 | return 0; | |
126 | } | |
127 | ||
763d8960 | 128 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 129 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 130 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 131 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 132 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 133 | |
786c1b51 ACM |
134 | static struct arch architectures[] = { |
135 | { | |
136 | .name = "arm", | |
acc9bfb5 | 137 | .init = arm__annotate_init, |
786c1b51 | 138 | }, |
0fcb1da4 KP |
139 | { |
140 | .name = "arm64", | |
141 | .init = arm64__annotate_init, | |
142 | }, | |
786c1b51 ACM |
143 | { |
144 | .name = "x86", | |
696e2457 | 145 | .init = x86__annotate_init, |
763d8960 ACM |
146 | .instructions = x86__instructions, |
147 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 148 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
149 | .objdump = { |
150 | .comment_char = '#', | |
151 | }, | |
152 | }, | |
dbdebdc5 RB |
153 | { |
154 | .name = "powerpc", | |
155 | .init = powerpc__annotate_init, | |
156 | }, | |
e77852b3 CB |
157 | { |
158 | .name = "s390", | |
d9f8dfa9 | 159 | .init = s390__annotate_init, |
e77852b3 CB |
160 | .objdump = { |
161 | .comment_char = '#', | |
162 | }, | |
163 | }, | |
786c1b51 ACM |
164 | }; |
165 | ||
c46219ac ACM |
166 | static void ins__delete(struct ins_operands *ops) |
167 | { | |
3995614d ACM |
168 | if (ops == NULL) |
169 | return; | |
74cf249d ACM |
170 | zfree(&ops->source.raw); |
171 | zfree(&ops->source.name); | |
172 | zfree(&ops->target.raw); | |
173 | zfree(&ops->target.name); | |
c46219ac ACM |
174 | } |
175 | ||
5417072b ACM |
176 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
177 | struct ins_operands *ops) | |
178 | { | |
648388ae | 179 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
180 | } |
181 | ||
182 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
183 | struct ins_operands *ops) | |
184 | { | |
185 | if (ins->ops->scnprintf) | |
186 | return ins->ops->scnprintf(ins, bf, size, ops); | |
187 | ||
188 | return ins__raw_scnprintf(ins, bf, size, ops); | |
189 | } | |
190 | ||
69fb09f6 JY |
191 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
192 | { | |
193 | if (!arch || !arch->ins_is_fused) | |
194 | return false; | |
195 | ||
196 | return arch->ins_is_fused(arch, ins1, ins2); | |
197 | } | |
198 | ||
9c2fb451 | 199 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
d86b0597 | 200 | { |
d2232885 | 201 | char *endptr, *tok, *name; |
696703af ACM |
202 | struct addr_map_symbol target = { |
203 | .map = map, | |
204 | }; | |
d2232885 | 205 | |
44d1a3ed | 206 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
207 | |
208 | name = strchr(endptr, '<'); | |
209 | if (name == NULL) | |
210 | goto indirect_call; | |
211 | ||
212 | name++; | |
213 | ||
9c2fb451 ACM |
214 | if (arch->objdump.skip_functions_char && |
215 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 216 | return -1; |
cfef25b8 | 217 | |
d2232885 ACM |
218 | tok = strchr(name, '>'); |
219 | if (tok == NULL) | |
220 | return -1; | |
221 | ||
222 | *tok = '\0'; | |
44d1a3ed | 223 | ops->target.name = strdup(name); |
d2232885 ACM |
224 | *tok = '>'; |
225 | ||
696703af ACM |
226 | if (ops->target.name == NULL) |
227 | return -1; | |
228 | find_target: | |
229 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 230 | |
696703af ACM |
231 | if (map_groups__find_ams(&target) == 0 && |
232 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
233 | ops->target.sym = target.sym; | |
e8ea1561 | 234 | |
d86b0597 | 235 | return 0; |
696703af ACM |
236 | |
237 | indirect_call: | |
238 | tok = strchr(endptr, '*'); | |
239 | if (tok != NULL) | |
240 | ops->target.addr = strtoull(tok + 1, NULL, 16); | |
241 | goto find_target; | |
d86b0597 ACM |
242 | } |
243 | ||
d2232885 | 244 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 245 | struct ins_operands *ops) |
d2232885 | 246 | { |
696703af ACM |
247 | if (ops->target.sym) |
248 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 249 | |
e8ea1561 ACM |
250 | if (ops->target.addr == 0) |
251 | return ins__raw_scnprintf(ins, bf, size, ops); | |
252 | ||
4c9cb2c2 ACM |
253 | if (ops->target.name) |
254 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); | |
255 | ||
648388ae | 256 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
257 | } |
258 | ||
d86b0597 | 259 | static struct ins_ops call_ops = { |
d2232885 ACM |
260 | .parse = call__parse, |
261 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
262 | }; |
263 | ||
264 | bool ins__is_call(const struct ins *ins) | |
265 | { | |
0b58a77c | 266 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
267 | } |
268 | ||
786c1b51 | 269 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
4f9d0325 | 270 | { |
c7e6ead7 | 271 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 272 | const char *c = strchr(ops->raw, ','); |
4f9d0325 | 273 | |
b13bbeee KP |
274 | /* |
275 | * skip over possible up to 2 operands to get to address, e.g.: | |
276 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
277 | */ | |
278 | if (c++ != NULL) { | |
3ee2eb6d | 279 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
280 | if (!ops->target.addr) { |
281 | c = strchr(c, ','); | |
282 | if (c++ != NULL) | |
283 | ops->target.addr = strtoull(c, NULL, 16); | |
284 | } | |
285 | } else { | |
3ee2eb6d | 286 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 287 | } |
fb29fa58 | 288 | |
e216874c | 289 | if (s++ != NULL) { |
bbb7f846 | 290 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
291 | ops->target.offset_avail = true; |
292 | } else { | |
293 | ops->target.offset_avail = false; | |
294 | } | |
4f9d0325 | 295 | |
4f9d0325 ACM |
296 | return 0; |
297 | } | |
298 | ||
c7e6ead7 | 299 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 300 | struct ins_operands *ops) |
28548d78 | 301 | { |
b13bbeee KP |
302 | const char *c = strchr(ops->raw, ','); |
303 | ||
e216874c | 304 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
305 | return ins__raw_scnprintf(ins, bf, size, ops); |
306 | ||
b13bbeee KP |
307 | if (c != NULL) { |
308 | const char *c2 = strchr(c + 1, ','); | |
309 | ||
310 | /* check for 3-op insn */ | |
311 | if (c2 != NULL) | |
312 | c = c2; | |
313 | c++; | |
314 | ||
315 | /* mirror arch objdump's space-after-comma style */ | |
316 | if (*c == ' ') | |
317 | c++; | |
318 | } | |
319 | ||
648388ae | 320 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
321 | ins->name, c ? c - ops->raw : 0, ops->raw, |
322 | ops->target.offset); | |
28548d78 ACM |
323 | } |
324 | ||
4f9d0325 | 325 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
326 | .parse = jump__parse, |
327 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
328 | }; |
329 | ||
330 | bool ins__is_jump(const struct ins *ins) | |
331 | { | |
332 | return ins->ops == &jump_ops; | |
333 | } | |
334 | ||
6de783b6 ACM |
335 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
336 | { | |
337 | char *endptr, *name, *t; | |
338 | ||
339 | if (strstr(raw, "(%rip)") == NULL) | |
340 | return 0; | |
341 | ||
342 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
343 | if (endptr == comment) |
344 | return 0; | |
6de783b6 ACM |
345 | name = strchr(endptr, '<'); |
346 | if (name == NULL) | |
347 | return -1; | |
348 | ||
349 | name++; | |
350 | ||
351 | t = strchr(name, '>'); | |
352 | if (t == NULL) | |
353 | return 0; | |
354 | ||
355 | *t = '\0'; | |
356 | *namep = strdup(name); | |
357 | *t = '>'; | |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
786c1b51 | 362 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map *map) |
7a997fe4 | 363 | { |
7a997fe4 ACM |
364 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
365 | if (ops->locked.ops == NULL) | |
366 | return 0; | |
367 | ||
75b49202 | 368 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
369 | goto out_free_ops; |
370 | ||
75b49202 | 371 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 372 | |
75b49202 | 373 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 374 | goto out_free_ops; |
7a997fe4 | 375 | |
75b49202 ACM |
376 | if (ops->locked.ins.ops->parse && |
377 | ops->locked.ins.ops->parse(arch, ops->locked.ops, map) < 0) | |
be81908c | 378 | goto out_free_ops; |
7a997fe4 ACM |
379 | |
380 | return 0; | |
381 | ||
382 | out_free_ops: | |
04662523 | 383 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
384 | return 0; |
385 | } | |
386 | ||
387 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
388 | struct ins_operands *ops) | |
389 | { | |
390 | int printed; | |
391 | ||
75b49202 | 392 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
393 | return ins__raw_scnprintf(ins, bf, size, ops); |
394 | ||
648388ae | 395 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 396 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
397 | size - printed, ops->locked.ops); |
398 | } | |
399 | ||
c46219ac ACM |
400 | static void lock__delete(struct ins_operands *ops) |
401 | { | |
75b49202 | 402 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 403 | |
75b49202 | 404 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
405 | ins->ops->free(ops->locked.ops); |
406 | else | |
407 | ins__delete(ops->locked.ops); | |
408 | ||
74cf249d ACM |
409 | zfree(&ops->locked.ops); |
410 | zfree(&ops->target.raw); | |
411 | zfree(&ops->target.name); | |
c46219ac ACM |
412 | } |
413 | ||
7a997fe4 | 414 | static struct ins_ops lock_ops = { |
c46219ac | 415 | .free = lock__delete, |
7a997fe4 ACM |
416 | .parse = lock__parse, |
417 | .scnprintf = lock__scnprintf, | |
418 | }; | |
419 | ||
786c1b51 | 420 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map *map __maybe_unused) |
6de783b6 ACM |
421 | { |
422 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
423 | ||
424 | if (s == NULL) | |
425 | return -1; | |
426 | ||
427 | *s = '\0'; | |
428 | ops->source.raw = strdup(ops->raw); | |
429 | *s = ','; | |
48000a1a | 430 | |
6de783b6 ACM |
431 | if (ops->source.raw == NULL) |
432 | return -1; | |
433 | ||
434 | target = ++s; | |
786c1b51 | 435 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
436 | |
437 | if (comment != NULL) | |
438 | s = comment - 1; | |
439 | else | |
440 | s = strchr(s, '\0') - 1; | |
6de783b6 | 441 | |
1e2bb043 AC |
442 | while (s > target && isspace(s[0])) |
443 | --s; | |
444 | s++; | |
6de783b6 ACM |
445 | prev = *s; |
446 | *s = '\0'; | |
447 | ||
448 | ops->target.raw = strdup(target); | |
449 | *s = prev; | |
450 | ||
451 | if (ops->target.raw == NULL) | |
452 | goto out_free_source; | |
453 | ||
6de783b6 ACM |
454 | if (comment == NULL) |
455 | return 0; | |
456 | ||
4597cf06 | 457 | comment = ltrim(comment); |
35a8a148 TR |
458 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
459 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
460 | |
461 | return 0; | |
462 | ||
463 | out_free_source: | |
04662523 | 464 | zfree(&ops->source.raw); |
6de783b6 ACM |
465 | return -1; |
466 | } | |
467 | ||
468 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
469 | struct ins_operands *ops) | |
470 | { | |
648388ae | 471 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
472 | ops->source.name ?: ops->source.raw, |
473 | ops->target.name ?: ops->target.raw); | |
474 | } | |
475 | ||
476 | static struct ins_ops mov_ops = { | |
477 | .parse = mov__parse, | |
478 | .scnprintf = mov__scnprintf, | |
479 | }; | |
480 | ||
786c1b51 | 481 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map *map __maybe_unused) |
a43712c4 ACM |
482 | { |
483 | char *target, *comment, *s, prev; | |
484 | ||
485 | target = s = ops->raw; | |
486 | ||
487 | while (s[0] != '\0' && !isspace(s[0])) | |
488 | ++s; | |
489 | prev = *s; | |
490 | *s = '\0'; | |
491 | ||
492 | ops->target.raw = strdup(target); | |
493 | *s = prev; | |
494 | ||
495 | if (ops->target.raw == NULL) | |
496 | return -1; | |
497 | ||
859afa6c | 498 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
499 | if (comment == NULL) |
500 | return 0; | |
501 | ||
4597cf06 | 502 | comment = ltrim(comment); |
35a8a148 | 503 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
504 | |
505 | return 0; | |
506 | } | |
507 | ||
508 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
509 | struct ins_operands *ops) | |
510 | { | |
648388ae | 511 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
512 | ops->target.name ?: ops->target.raw); |
513 | } | |
514 | ||
515 | static struct ins_ops dec_ops = { | |
516 | .parse = dec__parse, | |
517 | .scnprintf = dec__scnprintf, | |
518 | }; | |
519 | ||
1d037ca1 IT |
520 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
521 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 522 | { |
648388ae | 523 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
524 | } |
525 | ||
526 | static struct ins_ops nop_ops = { | |
527 | .scnprintf = nop__scnprintf, | |
528 | }; | |
529 | ||
6ef94929 NR |
530 | static struct ins_ops ret_ops = { |
531 | .scnprintf = ins__raw_scnprintf, | |
532 | }; | |
533 | ||
534 | bool ins__is_ret(const struct ins *ins) | |
535 | { | |
536 | return ins->ops == &ret_ops; | |
537 | } | |
538 | ||
7e63a13a JY |
539 | bool ins__is_lock(const struct ins *ins) |
540 | { | |
541 | return ins->ops == &lock_ops; | |
542 | } | |
543 | ||
7e4c1498 | 544 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
545 | { |
546 | const struct ins *ins = insp; | |
547 | ||
548 | return strcmp(name, ins->name); | |
549 | } | |
550 | ||
7e4c1498 CR |
551 | static int ins__cmp(const void *a, const void *b) |
552 | { | |
553 | const struct ins *ia = a; | |
554 | const struct ins *ib = b; | |
555 | ||
556 | return strcmp(ia->name, ib->name); | |
557 | } | |
558 | ||
763d8960 | 559 | static void ins__sort(struct arch *arch) |
7e4c1498 | 560 | { |
763d8960 | 561 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 562 | |
763d8960 | 563 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
564 | } |
565 | ||
2a1ff812 | 566 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 567 | { |
75b49202 | 568 | struct ins *ins; |
763d8960 | 569 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 570 | |
763d8960 ACM |
571 | if (!arch->sorted_instructions) { |
572 | ins__sort(arch); | |
573 | arch->sorted_instructions = true; | |
7e4c1498 | 574 | } |
4f9d0325 | 575 | |
75b49202 ACM |
576 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
577 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
578 | } |
579 | ||
2a1ff812 ACM |
580 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
581 | { | |
582 | struct ins_ops *ops = __ins__find(arch, name); | |
583 | ||
584 | if (!ops && arch->associate_instruction_ops) | |
585 | ops = arch->associate_instruction_ops(arch, name); | |
586 | ||
587 | return ops; | |
588 | } | |
589 | ||
786c1b51 ACM |
590 | static int arch__key_cmp(const void *name, const void *archp) |
591 | { | |
592 | const struct arch *arch = archp; | |
593 | ||
594 | return strcmp(name, arch->name); | |
595 | } | |
596 | ||
597 | static int arch__cmp(const void *a, const void *b) | |
598 | { | |
599 | const struct arch *aa = a; | |
600 | const struct arch *ab = b; | |
601 | ||
602 | return strcmp(aa->name, ab->name); | |
603 | } | |
604 | ||
605 | static void arch__sort(void) | |
606 | { | |
607 | const int nmemb = ARRAY_SIZE(architectures); | |
608 | ||
609 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
610 | } | |
611 | ||
612 | static struct arch *arch__find(const char *name) | |
613 | { | |
614 | const int nmemb = ARRAY_SIZE(architectures); | |
615 | static bool sorted; | |
616 | ||
617 | if (!sorted) { | |
618 | arch__sort(); | |
619 | sorted = true; | |
620 | } | |
621 | ||
622 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
623 | } | |
624 | ||
d04b35f8 | 625 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
626 | { |
627 | struct annotation *notes = symbol__annotation(sym); | |
331c7cb3 | 628 | size_t size = symbol__size(sym); |
8696329b CS |
629 | size_t sizeof_sym_hist; |
630 | ||
331c7cb3 RB |
631 | /* |
632 | * Add buffer of one element for zero length symbol. | |
633 | * When sample is taken from first instruction of | |
634 | * zero length symbol, perf still resolves it and | |
635 | * shows symbol name in perf report and allows to | |
636 | * annotate it. | |
637 | */ | |
638 | if (size == 0) | |
639 | size = 1; | |
640 | ||
8696329b | 641 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 642 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
643 | return -1; |
644 | ||
896bccd3 | 645 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
646 | |
647 | /* Check for overflow in zalloc argument */ | |
648 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
649 | / symbol_conf.nr_events) | |
650 | return -1; | |
ce6f4fab | 651 | |
d04b35f8 | 652 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
653 | if (notes->src == NULL) |
654 | return -1; | |
655 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 656 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
657 | INIT_LIST_HEAD(¬es->src->source); |
658 | return 0; | |
78f7defe ACM |
659 | } |
660 | ||
d4957633 AK |
661 | /* The cycles histogram is lazily allocated. */ |
662 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
663 | { | |
664 | struct annotation *notes = symbol__annotation(sym); | |
665 | const size_t size = symbol__size(sym); | |
666 | ||
667 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
668 | if (notes->src->cycles_hist == NULL) | |
669 | return -1; | |
670 | return 0; | |
671 | } | |
672 | ||
36532461 ACM |
673 | void symbol__annotate_zero_histograms(struct symbol *sym) |
674 | { | |
675 | struct annotation *notes = symbol__annotation(sym); | |
676 | ||
ce6f4fab | 677 | pthread_mutex_lock(¬es->lock); |
d4957633 | 678 | if (notes->src != NULL) { |
ce6f4fab ACM |
679 | memset(notes->src->histograms, 0, |
680 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
681 | if (notes->src->cycles_hist) |
682 | memset(notes->src->cycles_hist, 0, | |
683 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
684 | } | |
ce6f4fab | 685 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
686 | } |
687 | ||
d4957633 AK |
688 | static int __symbol__account_cycles(struct annotation *notes, |
689 | u64 start, | |
690 | unsigned offset, unsigned cycles, | |
691 | unsigned have_start) | |
692 | { | |
693 | struct cyc_hist *ch; | |
694 | ||
695 | ch = notes->src->cycles_hist; | |
696 | /* | |
697 | * For now we can only account one basic block per | |
698 | * final jump. But multiple could be overlapping. | |
699 | * Always account the longest one. So when | |
700 | * a shorter one has been already seen throw it away. | |
701 | * | |
702 | * We separately always account the full cycles. | |
703 | */ | |
704 | ch[offset].num_aggr++; | |
705 | ch[offset].cycles_aggr += cycles; | |
706 | ||
707 | if (!have_start && ch[offset].have_start) | |
708 | return 0; | |
709 | if (ch[offset].num) { | |
710 | if (have_start && (!ch[offset].have_start || | |
711 | ch[offset].start > start)) { | |
712 | ch[offset].have_start = 0; | |
713 | ch[offset].cycles = 0; | |
714 | ch[offset].num = 0; | |
715 | if (ch[offset].reset < 0xffff) | |
716 | ch[offset].reset++; | |
717 | } else if (have_start && | |
718 | ch[offset].start < start) | |
719 | return 0; | |
720 | } | |
721 | ch[offset].have_start = have_start; | |
722 | ch[offset].start = start; | |
723 | ch[offset].cycles += cycles; | |
724 | ch[offset].num++; | |
725 | return 0; | |
726 | } | |
727 | ||
b66d8c0c | 728 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a | 729 | struct annotation *notes, int evidx, u64 addr, |
461c17f0 | 730 | struct perf_sample *sample) |
78f7defe | 731 | { |
2f525d01 | 732 | unsigned offset; |
78f7defe ACM |
733 | struct sym_hist *h; |
734 | ||
78f7defe ACM |
735 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
736 | ||
edee44be RB |
737 | if ((addr < sym->start || addr >= sym->end) && |
738 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
739 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
740 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 741 | return -ERANGE; |
e3d006ce | 742 | } |
78f7defe | 743 | |
2f525d01 ACM |
744 | offset = addr - sym->start; |
745 | h = annotation__histogram(notes, evidx); | |
8158683d | 746 | h->nr_samples++; |
896bccd3 | 747 | h->addr[offset].nr_samples++; |
461c17f0 TS |
748 | h->period += sample->period; |
749 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
750 | |
751 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
752 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
753 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
754 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
755 | return 0; |
756 | } | |
757 | ||
d4957633 | 758 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
759 | { |
760 | struct annotation *notes = symbol__annotation(sym); | |
761 | ||
762 | if (notes->src == NULL) { | |
763 | if (symbol__alloc_hist(sym) < 0) | |
764 | return NULL; | |
765 | } | |
d4957633 AK |
766 | if (!notes->src->cycles_hist && cycles) { |
767 | if (symbol__alloc_hist_cycles(sym) < 0) | |
768 | return NULL; | |
769 | } | |
83be34a7 AK |
770 | return notes; |
771 | } | |
772 | ||
44e83039 | 773 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a TS |
774 | int evidx, u64 addr, |
775 | struct perf_sample *sample) | |
b66d8c0c ACM |
776 | { |
777 | struct annotation *notes; | |
778 | ||
48c65bda | 779 | if (sym == NULL) |
b66d8c0c | 780 | return 0; |
d4957633 | 781 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
782 | if (notes == NULL) |
783 | return -ENOMEM; | |
bab89f6a | 784 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample); |
b66d8c0c ACM |
785 | } |
786 | ||
d4957633 AK |
787 | static int symbol__account_cycles(u64 addr, u64 start, |
788 | struct symbol *sym, unsigned cycles) | |
789 | { | |
790 | struct annotation *notes; | |
791 | unsigned offset; | |
792 | ||
793 | if (sym == NULL) | |
794 | return 0; | |
795 | notes = symbol__get_annotation(sym, true); | |
796 | if (notes == NULL) | |
797 | return -ENOMEM; | |
798 | if (addr < sym->start || addr >= sym->end) | |
799 | return -ERANGE; | |
800 | ||
801 | if (start) { | |
802 | if (start < sym->start || start >= sym->end) | |
803 | return -ERANGE; | |
804 | if (start >= addr) | |
805 | start = 0; | |
806 | } | |
807 | offset = addr - sym->start; | |
808 | return __symbol__account_cycles(notes, | |
809 | start ? start - sym->start : 0, | |
810 | offset, cycles, | |
811 | !!start); | |
812 | } | |
813 | ||
814 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
815 | struct addr_map_symbol *start, | |
816 | unsigned cycles) | |
817 | { | |
3d7245b0 | 818 | u64 saddr = 0; |
d4957633 AK |
819 | int err; |
820 | ||
821 | if (!cycles) | |
822 | return 0; | |
823 | ||
824 | /* | |
825 | * Only set start when IPC can be computed. We can only | |
826 | * compute it when the basic block is completely in a single | |
827 | * function. | |
828 | * Special case the case when the jump is elsewhere, but | |
829 | * it starts on the function start. | |
830 | */ | |
831 | if (start && | |
832 | (start->sym == ams->sym || | |
833 | (ams->sym && | |
834 | start->addr == ams->sym->start + ams->map->start))) | |
835 | saddr = start->al_addr; | |
836 | if (saddr == 0) | |
3d7245b0 | 837 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
838 | ams->addr, |
839 | start ? start->addr : 0, | |
840 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
841 | saddr); | |
842 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
843 | if (err) | |
844 | pr_debug2("account_cycles failed %d\n", err); | |
845 | return err; | |
846 | } | |
847 | ||
f56c083b ACM |
848 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
849 | { | |
850 | unsigned n_insn = 0; | |
851 | u64 offset; | |
852 | ||
853 | for (offset = start; offset <= end; offset++) { | |
854 | if (notes->offsets[offset]) | |
855 | n_insn++; | |
856 | } | |
857 | return n_insn; | |
858 | } | |
859 | ||
860 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
861 | { | |
862 | unsigned n_insn; | |
863 | u64 offset; | |
864 | ||
865 | n_insn = annotation__count_insn(notes, start, end); | |
866 | if (n_insn && ch->num && ch->cycles) { | |
867 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
868 | ||
869 | /* Hide data when there are too many overlaps. */ | |
870 | if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) | |
871 | return; | |
872 | ||
873 | for (offset = start; offset <= end; offset++) { | |
874 | struct annotation_line *al = notes->offsets[offset]; | |
875 | ||
876 | if (al) | |
877 | al->ipc = ipc; | |
878 | } | |
879 | } | |
880 | } | |
881 | ||
882 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
883 | { | |
884 | u64 offset; | |
885 | ||
886 | if (!notes->src || !notes->src->cycles_hist) | |
887 | return; | |
888 | ||
889 | pthread_mutex_lock(¬es->lock); | |
890 | for (offset = 0; offset < size; ++offset) { | |
891 | struct cyc_hist *ch; | |
892 | ||
893 | ch = ¬es->src->cycles_hist[offset]; | |
894 | if (ch && ch->cycles) { | |
895 | struct annotation_line *al; | |
896 | ||
897 | if (ch->have_start) | |
898 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
899 | al = notes->offsets[offset]; | |
900 | if (al && ch->num_aggr) | |
901 | al->cycles = ch->cycles_aggr / ch->num_aggr; | |
902 | notes->have_cycles = true; | |
903 | } | |
904 | } | |
905 | pthread_mutex_unlock(¬es->lock); | |
906 | } | |
907 | ||
bab89f6a TS |
908 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
909 | int evidx) | |
0f4e7a24 | 910 | { |
bab89f6a | 911 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample); |
0f4e7a24 ACM |
912 | } |
913 | ||
bab89f6a TS |
914 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
915 | int evidx, u64 ip) | |
f626adff | 916 | { |
bab89f6a | 917 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample); |
f626adff ACM |
918 | } |
919 | ||
786c1b51 | 920 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map *map) |
4f9d0325 | 921 | { |
75b49202 | 922 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 923 | |
75b49202 | 924 | if (!dl->ins.ops) |
4f9d0325 ACM |
925 | return; |
926 | ||
75b49202 ACM |
927 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, map) < 0) |
928 | dl->ins.ops = NULL; | |
4f9d0325 ACM |
929 | } |
930 | ||
75b49202 | 931 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 932 | { |
4597cf06 | 933 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
934 | |
935 | if (name[0] == '\0') | |
936 | return -1; | |
937 | ||
938 | *rawp = name + 1; | |
939 | ||
940 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
941 | ++*rawp; | |
942 | ||
943 | tmp = (*rawp)[0]; | |
944 | (*rawp)[0] = '\0'; | |
945 | *namep = strdup(name); | |
946 | ||
947 | if (*namep == NULL) | |
948 | goto out_free_name; | |
949 | ||
950 | (*rawp)[0] = tmp; | |
4597cf06 | 951 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
952 | |
953 | return 0; | |
954 | ||
955 | out_free_name: | |
75b49202 ACM |
956 | free((void *)namep); |
957 | *namep = NULL; | |
7a997fe4 ACM |
958 | return -1; |
959 | } | |
960 | ||
ea07c5aa JO |
961 | struct annotate_args { |
962 | size_t privsize; | |
24fe7b88 | 963 | struct arch *arch; |
1a04db70 | 964 | struct map *map; |
d03a686e | 965 | struct perf_evsel *evsel; |
4748834f JO |
966 | s64 offset; |
967 | char *line; | |
968 | int line_nr; | |
ea07c5aa JO |
969 | }; |
970 | ||
c835e191 JO |
971 | static void annotation_line__delete(struct annotation_line *al) |
972 | { | |
973 | void *ptr = (void *) al - al->privsize; | |
974 | ||
8b4c74dc | 975 | free_srcline(al->path); |
c835e191 JO |
976 | zfree(&al->line); |
977 | free(ptr); | |
978 | } | |
979 | ||
980 | /* | |
981 | * Allocating the annotation line data with following | |
982 | * structure: | |
983 | * | |
984 | * -------------------------------------- | |
985 | * private space | struct annotation_line | |
986 | * -------------------------------------- | |
987 | * | |
988 | * Size of the private space is stored in 'struct annotation_line'. | |
989 | * | |
990 | */ | |
991 | static struct annotation_line * | |
992 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
993 | { | |
994 | struct annotation_line *al; | |
7e304557 | 995 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 996 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
997 | int nr = 1; |
998 | ||
999 | if (perf_evsel__is_group_event(evsel)) | |
1000 | nr = evsel->nr_members; | |
1001 | ||
1002 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
1003 | |
1004 | al = zalloc(size); | |
1005 | if (al) { | |
1006 | al = (void *) al + privsize; | |
1007 | al->privsize = privsize; | |
1008 | al->offset = args->offset; | |
1009 | al->line = strdup(args->line); | |
1010 | al->line_nr = args->line_nr; | |
7e304557 | 1011 | al->samples_nr = nr; |
c835e191 JO |
1012 | } |
1013 | ||
1014 | return al; | |
1015 | } | |
1016 | ||
1017 | /* | |
1018 | * Allocating the disasm annotation line data with | |
1019 | * following structure: | |
1020 | * | |
1021 | * ------------------------------------------------------------ | |
1022 | * privsize space | struct disasm_line | struct annotation_line | |
1023 | * ------------------------------------------------------------ | |
1024 | * | |
1025 | * We have 'struct annotation_line' member as last member | |
1026 | * of 'struct disasm_line' to have an easy access. | |
1027 | * | |
1028 | */ | |
4748834f | 1029 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1030 | { |
c835e191 JO |
1031 | struct disasm_line *dl = NULL; |
1032 | struct annotation_line *al; | |
1033 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1034 | |
c835e191 JO |
1035 | al = annotation_line__new(args, privsize); |
1036 | if (al != NULL) { | |
1037 | dl = disasm_line(al); | |
d5490b96 JO |
1038 | |
1039 | if (dl->al.line == NULL) | |
058b4cc9 | 1040 | goto out_delete; |
5145418b | 1041 | |
4748834f | 1042 | if (args->offset != -1) { |
d5490b96 | 1043 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1044 | goto out_free_line; |
1045 | ||
1a04db70 | 1046 | disasm_line__init_ins(dl, args->arch, args->map); |
5145418b | 1047 | } |
78f7defe ACM |
1048 | } |
1049 | ||
29ed6e76 | 1050 | return dl; |
5145418b ACM |
1051 | |
1052 | out_free_line: | |
d5490b96 | 1053 | zfree(&dl->al.line); |
058b4cc9 | 1054 | out_delete: |
29ed6e76 | 1055 | free(dl); |
058b4cc9 | 1056 | return NULL; |
78f7defe ACM |
1057 | } |
1058 | ||
29ed6e76 | 1059 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1060 | { |
75b49202 ACM |
1061 | if (dl->ins.ops && dl->ins.ops->free) |
1062 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1063 | else |
1064 | ins__delete(&dl->ops); | |
75b49202 ACM |
1065 | free((void *)dl->ins.name); |
1066 | dl->ins.name = NULL; | |
c835e191 | 1067 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1068 | } |
1069 | ||
5417072b ACM |
1070 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
1071 | { | |
75b49202 | 1072 | if (raw || !dl->ins.ops) |
648388ae | 1073 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 1074 | |
75b49202 | 1075 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1076 | } |
1077 | ||
82b9d7ff | 1078 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1079 | { |
82b9d7ff | 1080 | list_add_tail(&al->node, head); |
78f7defe ACM |
1081 | } |
1082 | ||
c4c72436 JO |
1083 | struct annotation_line * |
1084 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1085 | { |
c4c72436 JO |
1086 | list_for_each_entry_continue(pos, head, node) |
1087 | if (pos->offset >= 0) | |
78f7defe ACM |
1088 | return pos; |
1089 | ||
1090 | return NULL; | |
1091 | } | |
1092 | ||
70fbe057 PZ |
1093 | static const char *annotate__address_color(struct block_range *br) |
1094 | { | |
1095 | double cov = block_range__coverage(br); | |
1096 | ||
1097 | if (cov >= 0) { | |
1098 | /* mark red for >75% coverage */ | |
1099 | if (cov > 0.75) | |
1100 | return PERF_COLOR_RED; | |
1101 | ||
1102 | /* mark dull for <1% coverage */ | |
1103 | if (cov < 0.01) | |
1104 | return PERF_COLOR_NORMAL; | |
1105 | } | |
1106 | ||
1107 | return PERF_COLOR_MAGENTA; | |
1108 | } | |
1109 | ||
1110 | static const char *annotate__asm_color(struct block_range *br) | |
1111 | { | |
1112 | double cov = block_range__coverage(br); | |
1113 | ||
1114 | if (cov >= 0) { | |
1115 | /* mark dull for <1% coverage */ | |
1116 | if (cov < 0.01) | |
1117 | return PERF_COLOR_NORMAL; | |
1118 | } | |
1119 | ||
1120 | return PERF_COLOR_BLUE; | |
1121 | } | |
1122 | ||
1123 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1124 | { | |
1125 | bool emit_comment = true; | |
1126 | ||
1127 | if (!br) | |
1128 | return; | |
1129 | ||
1130 | #if 1 | |
1131 | if (br->is_target && br->start == addr) { | |
1132 | struct block_range *branch = br; | |
1133 | double p; | |
1134 | ||
1135 | /* | |
1136 | * Find matching branch to our target. | |
1137 | */ | |
1138 | while (!branch->is_branch) | |
1139 | branch = block_range__next(branch); | |
1140 | ||
1141 | p = 100 *(double)br->entry / branch->coverage; | |
1142 | ||
1143 | if (p > 0.1) { | |
1144 | if (emit_comment) { | |
1145 | emit_comment = false; | |
1146 | printf("\t#"); | |
1147 | } | |
1148 | ||
1149 | /* | |
1150 | * The percentage of coverage joined at this target in relation | |
1151 | * to the next branch. | |
1152 | */ | |
1153 | printf(" +%.2f%%", p); | |
1154 | } | |
1155 | } | |
1156 | #endif | |
1157 | if (br->is_branch && br->end == addr) { | |
1158 | double p = 100*(double)br->taken / br->coverage; | |
1159 | ||
1160 | if (p > 0.1) { | |
1161 | if (emit_comment) { | |
1162 | emit_comment = false; | |
1163 | printf("\t#"); | |
1164 | } | |
1165 | ||
1166 | /* | |
1167 | * The percentage of coverage leaving at this branch, and | |
1168 | * its prediction ratio. | |
1169 | */ | |
1170 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1171 | } | |
1172 | } | |
1173 | } | |
1174 | ||
f48e7c40 | 1175 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1176 | { |
29971f9a JO |
1177 | s64 offset = dl->al.offset; |
1178 | const u64 addr = start + offset; | |
1179 | struct block_range *br; | |
1180 | ||
1181 | br = block_range__find(addr); | |
f48e7c40 | 1182 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1183 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1184 | annotate__branch_printf(br, addr); | |
1185 | return 0; | |
1186 | } | |
1187 | ||
1188 | static int | |
1189 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1190 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
f48e7c40 | 1191 | int max_lines, struct annotation_line *queue, int addr_fmt_width) |
29971f9a JO |
1192 | { |
1193 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1194 | static const char *prev_line; |
1195 | static const char *prev_color; | |
1196 | ||
29971f9a | 1197 | if (al->offset != -1) { |
f681d593 | 1198 | double max_percent = 0.0; |
b1dd4432 | 1199 | int i, nr_percent = 1; |
78f7defe ACM |
1200 | const char *color; |
1201 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1202 | |
29971f9a JO |
1203 | for (i = 0; i < al->samples_nr; i++) { |
1204 | struct annotation_data *sample = &al->samples[i]; | |
78f7defe | 1205 | |
f681d593 JO |
1206 | if (sample->percent > max_percent) |
1207 | max_percent = sample->percent; | |
b1dd4432 NK |
1208 | } |
1209 | ||
1210 | if (max_percent < min_pcnt) | |
36532461 ACM |
1211 | return -1; |
1212 | ||
e3087b80 | 1213 | if (max_lines && printed >= max_lines) |
36532461 | 1214 | return 1; |
d040bd36 | 1215 | |
d5e3d747 | 1216 | if (queue != NULL) { |
29971f9a JO |
1217 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1218 | if (queue == al) | |
d5e3d747 | 1219 | break; |
29971f9a | 1220 | annotation_line__print(queue, sym, start, evsel, len, |
f48e7c40 | 1221 | 0, 0, 1, NULL, addr_fmt_width); |
d5e3d747 ACM |
1222 | } |
1223 | } | |
1224 | ||
b1dd4432 | 1225 | color = get_percent_color(max_percent); |
78f7defe ACM |
1226 | |
1227 | /* | |
1228 | * Also color the filename and line if needed, with | |
1229 | * the same color than the percentage. Don't print it | |
1230 | * twice for close colored addr with the same filename:line | |
1231 | */ | |
29971f9a JO |
1232 | if (al->path) { |
1233 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1234 | || color != prev_color) { |
29971f9a JO |
1235 | color_fprintf(stdout, color, " %s", al->path); |
1236 | prev_line = al->path; | |
78f7defe ACM |
1237 | prev_color = color; |
1238 | } | |
1239 | } | |
1240 | ||
b1dd4432 | 1241 | for (i = 0; i < nr_percent; i++) { |
29971f9a | 1242 | struct annotation_data *sample = &al->samples[i]; |
f681d593 JO |
1243 | |
1244 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1245 | |
1246 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1247 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1248 | sample->he.period); |
1ac39372 TS |
1249 | else if (symbol_conf.show_nr_samples) |
1250 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1251 | sample->he.nr_samples); |
0c4a5bce | 1252 | else |
f681d593 | 1253 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1254 | } |
1255 | ||
f48e7c40 | 1256 | printf(" : "); |
70fbe057 | 1257 | |
f48e7c40 | 1258 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1259 | printf("\n"); |
e3087b80 | 1260 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1261 | return 1; |
1262 | else { | |
ce9ee4a2 | 1263 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1264 | |
d5e3d747 ACM |
1265 | if (queue) |
1266 | return -1; | |
1267 | ||
759ff497 | 1268 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1269 | width *= evsel->nr_members; |
1270 | ||
29971f9a | 1271 | if (!*al->line) |
b1dd4432 | 1272 | printf(" %*s:\n", width, " "); |
78f7defe | 1273 | else |
f48e7c40 | 1274 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1275 | } |
36532461 ACM |
1276 | |
1277 | return 0; | |
78f7defe ACM |
1278 | } |
1279 | ||
3aec150a NK |
1280 | /* |
1281 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1282 | * which looks like following | |
1283 | * | |
1284 | * 0000000000415500 <_init>: | |
1285 | * 415500: sub $0x8,%rsp | |
1286 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1287 | * 41550b: test %rax,%rax | |
1288 | * 41550e: je 415515 <_init+0x15> | |
1289 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1290 | * 415515: add $0x8,%rsp | |
1291 | * 415519: retq | |
1292 | * | |
1293 | * it will be parsed and saved into struct disasm_line as | |
1294 | * <offset> <name> <ops.raw> | |
1295 | * | |
1296 | * The offset will be a relative offset from the start of the symbol and -1 | |
1297 | * means that it's not a disassembly line so should be treated differently. | |
1298 | * The ops.raw part will be parsed further according to type of the instruction. | |
1299 | */ | |
1a04db70 | 1300 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1301 | struct annotate_args *args, |
e592488c | 1302 | int *line_nr) |
78f7defe | 1303 | { |
1a04db70 | 1304 | struct map *map = args->map; |
ce6f4fab | 1305 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1306 | struct disasm_line *dl; |
4597cf06 | 1307 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1308 | size_t line_len; |
1309 | s64 line_ip, offset = -1; | |
e592488c | 1310 | regmatch_t match[2]; |
78f7defe ACM |
1311 | |
1312 | if (getline(&line, &line_len, file) < 0) | |
1313 | return -1; | |
1314 | ||
1315 | if (!line) | |
1316 | return -1; | |
1317 | ||
78f7defe | 1318 | line_ip = -1; |
4597cf06 | 1319 | parsed_line = rtrim(line); |
78f7defe | 1320 | |
e592488c | 1321 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1322 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1323 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1324 | return 0; |
1325 | } | |
1326 | ||
4597cf06 | 1327 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1328 | if (*tmp) { |
1329 | /* | |
1330 | * Parse hexa addresses followed by ':' | |
1331 | */ | |
1332 | line_ip = strtoull(tmp, &tmp2, 16); | |
1333 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1334 | line_ip = -1; | |
1335 | } | |
1336 | ||
1337 | if (line_ip != -1) { | |
1338 | u64 start = map__rip_2objdump(map, sym->start), | |
1339 | end = map__rip_2objdump(map, sym->end); | |
1340 | ||
1341 | offset = line_ip - start; | |
2c241bd3 | 1342 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1343 | offset = -1; |
058b4cc9 ACM |
1344 | else |
1345 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1346 | } |
78f7defe | 1347 | |
4748834f JO |
1348 | args->offset = offset; |
1349 | args->line = parsed_line; | |
1350 | args->line_nr = *line_nr; | |
1351 | ||
1352 | dl = disasm_line__new(args); | |
058b4cc9 | 1353 | free(line); |
e592488c | 1354 | (*line_nr)++; |
058b4cc9 | 1355 | |
29ed6e76 | 1356 | if (dl == NULL) |
78f7defe | 1357 | return -1; |
058b4cc9 | 1358 | |
e216874c | 1359 | if (!disasm_line__has_offset(dl)) { |
bbb7f846 AH |
1360 | dl->ops.target.offset = dl->ops.target.addr - |
1361 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1362 | dl->ops.target.offset_avail = true; |
1363 | } | |
bbb7f846 | 1364 | |
696703af ACM |
1365 | /* kcore has no symbols, so add the call target symbol */ |
1366 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1367 | struct addr_map_symbol target = { |
1368 | .map = map, | |
1369 | .addr = dl->ops.target.addr, | |
1370 | }; | |
1371 | ||
be39db9f | 1372 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1373 | target.sym->start == target.al_addr) |
696703af | 1374 | dl->ops.target.sym = target.sym; |
b178170a AH |
1375 | } |
1376 | ||
82b9d7ff | 1377 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1378 | |
1379 | return 0; | |
1380 | } | |
1381 | ||
e592488c AK |
1382 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1383 | { | |
1384 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1385 | } | |
1386 | ||
484a5e74 AH |
1387 | static void delete_last_nop(struct symbol *sym) |
1388 | { | |
1389 | struct annotation *notes = symbol__annotation(sym); | |
1390 | struct list_head *list = ¬es->src->source; | |
1391 | struct disasm_line *dl; | |
1392 | ||
1393 | while (!list_empty(list)) { | |
a17c4ca0 | 1394 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1395 | |
75b49202 ACM |
1396 | if (dl->ins.ops) { |
1397 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1398 | return; |
1399 | } else { | |
d5490b96 JO |
1400 | if (!strstr(dl->al.line, " nop ") && |
1401 | !strstr(dl->al.line, " nopl ") && | |
1402 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1403 | return; |
1404 | } | |
1405 | ||
a17c4ca0 | 1406 | list_del(&dl->al.node); |
484a5e74 AH |
1407 | disasm_line__free(dl); |
1408 | } | |
1409 | } | |
1410 | ||
ee51d851 ACM |
1411 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1412 | int errnum, char *buf, size_t buflen) | |
1413 | { | |
1414 | struct dso *dso = map->dso; | |
1415 | ||
1416 | BUG_ON(buflen == 0); | |
1417 | ||
1418 | if (errnum >= 0) { | |
1419 | str_error_r(errnum, buf, buflen); | |
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | switch (errnum) { | |
1424 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1425 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1426 | char *build_id_msg = NULL; | |
1427 | ||
1428 | if (dso->has_build_id) { | |
1429 | build_id__sprintf(dso->build_id, | |
1430 | sizeof(dso->build_id), bf + 15); | |
1431 | build_id_msg = bf; | |
1432 | } | |
1433 | scnprintf(buf, buflen, | |
1434 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1435 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1436 | "Please use:\n\n" | |
1437 | " perf buildid-cache -vu vmlinux\n\n" | |
1438 | "or:\n\n" | |
1439 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1440 | } | |
1441 | break; | |
1442 | default: | |
1443 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1444 | break; | |
1445 | } | |
1446 | ||
1447 | return 0; | |
1448 | } | |
1449 | ||
05ed3ac9 | 1450 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1451 | { |
05ed3ac9 ACM |
1452 | char linkname[PATH_MAX]; |
1453 | char *build_id_filename; | |
6ebd2547 | 1454 | char *build_id_path = NULL; |
3619ef76 | 1455 | char *pos; |
78f7defe | 1456 | |
c12944f7 ACM |
1457 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1458 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1459 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1460 | |
d2396999 | 1461 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1462 | if (build_id_filename) { |
1463 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1464 | free(build_id_filename); | |
3caee094 | 1465 | } else { |
ee51d851 ACM |
1466 | if (dso->has_build_id) |
1467 | return ENOMEM; | |
78f7defe | 1468 | goto fallback; |
3caee094 ACM |
1469 | } |
1470 | ||
6ebd2547 TS |
1471 | build_id_path = strdup(filename); |
1472 | if (!build_id_path) | |
1473 | return -1; | |
1474 | ||
3619ef76 NK |
1475 | /* |
1476 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1477 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1478 | * extract the build-id part of dirname in the new style only. | |
1479 | */ | |
1480 | pos = strrchr(build_id_path, '/'); | |
1481 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1482 | dirname(build_id_path); | |
6ebd2547 | 1483 | |
3caee094 | 1484 | if (dso__is_kcore(dso) || |
6ebd2547 | 1485 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1486 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1487 | access(filename, R_OK)) { | |
78f7defe ACM |
1488 | fallback: |
1489 | /* | |
1490 | * If we don't have build-ids or the build-id file isn't in the | |
1491 | * cache, or is just a kallsyms file, well, lets hope that this | |
1492 | * DSO is the same as when 'perf record' ran. | |
1493 | */ | |
05ed3ac9 | 1494 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1495 | } |
1496 | ||
6ebd2547 | 1497 | free(build_id_path); |
05ed3ac9 ACM |
1498 | return 0; |
1499 | } | |
1500 | ||
1a04db70 | 1501 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1502 | { |
1a04db70 | 1503 | struct map *map = args->map; |
05ed3ac9 | 1504 | struct dso *dso = map->dso; |
6810158d | 1505 | char *command; |
05ed3ac9 ACM |
1506 | FILE *file; |
1507 | char symfs_filename[PATH_MAX]; | |
1508 | struct kcore_extract kce; | |
1509 | bool delete_extract = false; | |
1510 | int stdout_fd[2]; | |
1511 | int lineno = 0; | |
1512 | int nline; | |
1513 | pid_t pid; | |
1514 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1515 | ||
1516 | if (err) | |
1517 | return err; | |
1518 | ||
78f7defe | 1519 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1520 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1521 | map->unmap_ip(map, sym->end)); |
1522 | ||
78f7defe ACM |
1523 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1524 | dso, dso->long_name, sym, sym->name); | |
1525 | ||
afba19d9 AH |
1526 | if (dso__is_kcore(dso)) { |
1527 | kce.kcore_filename = symfs_filename; | |
1528 | kce.addr = map__rip_2objdump(map, sym->start); | |
1529 | kce.offs = sym->start; | |
2c241bd3 | 1530 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1531 | if (!kcore_extract__create(&kce)) { |
1532 | delete_extract = true; | |
1533 | strlcpy(symfs_filename, kce.extract_filename, | |
1534 | sizeof(symfs_filename)); | |
afba19d9 | 1535 | } |
2c7da8c5 | 1536 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1537 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1538 | |
3c84fd53 NK |
1539 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1540 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1541 | goto out; |
2c7da8c5 JO |
1542 | |
1543 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1544 | } |
1545 | ||
6810158d | 1546 | err = asprintf(&command, |
7a4ec938 | 1547 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1548 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1549 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1550 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1551 | disassembler_style ? "-M " : "", |
1552 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1553 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1554 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1555 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1556 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1557 | symfs_filename, symfs_filename); |
78f7defe | 1558 | |
6810158d ACM |
1559 | if (err < 0) { |
1560 | pr_err("Failure allocating memory for the command to run\n"); | |
1561 | goto out_remove_tmp; | |
1562 | } | |
1563 | ||
78f7defe ACM |
1564 | pr_debug("Executing: %s\n", command); |
1565 | ||
9955d0be ACM |
1566 | err = -1; |
1567 | if (pipe(stdout_fd) < 0) { | |
1568 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1569 | goto out_free_command; |
9955d0be ACM |
1570 | } |
1571 | ||
1572 | pid = fork(); | |
1573 | if (pid < 0) { | |
1574 | pr_err("Failure forking to run %s\n", command); | |
1575 | goto out_close_stdout; | |
1576 | } | |
1577 | ||
1578 | if (pid == 0) { | |
1579 | close(stdout_fd[0]); | |
1580 | dup2(stdout_fd[1], 1); | |
1581 | close(stdout_fd[1]); | |
1582 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1583 | perror(command); | |
1584 | exit(-1); | |
1585 | } | |
1586 | ||
1587 | close(stdout_fd[1]); | |
1588 | ||
1589 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1590 | if (!file) { |
9955d0be | 1591 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1592 | /* |
1593 | * If we were using debug info should retry with | |
1594 | * original binary. | |
1595 | */ | |
6810158d | 1596 | goto out_free_command; |
62ec9b3f | 1597 | } |
78f7defe | 1598 | |
62ec9b3f AK |
1599 | nline = 0; |
1600 | while (!feof(file)) { | |
ed7b339f ACM |
1601 | /* |
1602 | * The source code line number (lineno) needs to be kept in | |
1603 | * accross calls to symbol__parse_objdump_line(), so that it | |
1604 | * can associate it with the instructions till the next one. | |
1605 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1606 | */ | |
1a04db70 | 1607 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1608 | break; |
62ec9b3f AK |
1609 | nline++; |
1610 | } | |
1611 | ||
1612 | if (nline == 0) | |
1613 | pr_err("No output from %s\n", command); | |
78f7defe | 1614 | |
484a5e74 AH |
1615 | /* |
1616 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1617 | * Remove it. | |
1618 | */ | |
1619 | if (dso__is_kcore(dso)) | |
1620 | delete_last_nop(sym); | |
1621 | ||
9955d0be ACM |
1622 | fclose(file); |
1623 | err = 0; | |
6810158d ACM |
1624 | out_free_command: |
1625 | free(command); | |
2c7da8c5 | 1626 | out_remove_tmp: |
9955d0be ACM |
1627 | close(stdout_fd[0]); |
1628 | ||
2c7da8c5 JO |
1629 | if (dso__needs_decompress(dso)) |
1630 | unlink(symfs_filename); | |
3caee094 | 1631 | |
afba19d9 AH |
1632 | if (delete_extract) |
1633 | kcore_extract__delete(&kce); | |
c12944f7 | 1634 | out: |
78f7defe | 1635 | return err; |
9955d0be ACM |
1636 | |
1637 | out_close_stdout: | |
1638 | close(stdout_fd[1]); | |
6810158d | 1639 | goto out_free_command; |
78f7defe ACM |
1640 | } |
1641 | ||
073ae601 JO |
1642 | static void calc_percent(struct sym_hist *hist, |
1643 | struct annotation_data *sample, | |
1644 | s64 offset, s64 end) | |
1645 | { | |
1646 | unsigned int hits = 0; | |
1647 | u64 period = 0; | |
1648 | ||
1649 | while (offset < end) { | |
1650 | hits += hist->addr[offset].nr_samples; | |
1651 | period += hist->addr[offset].period; | |
1652 | ++offset; | |
1653 | } | |
1654 | ||
1655 | if (hist->nr_samples) { | |
1656 | sample->he.period = period; | |
1657 | sample->he.nr_samples = hits; | |
1658 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1659 | } | |
1660 | } | |
1661 | ||
9e4e0a9d JO |
1662 | static void annotation__calc_percent(struct annotation *notes, |
1663 | struct perf_evsel *evsel, s64 len) | |
073ae601 JO |
1664 | { |
1665 | struct annotation_line *al, *next; | |
1666 | ||
1667 | list_for_each_entry(al, ¬es->src->source, node) { | |
1668 | s64 end; | |
1669 | int i; | |
1670 | ||
1671 | if (al->offset == -1) | |
1672 | continue; | |
1673 | ||
1674 | next = annotation_line__next(al, ¬es->src->source); | |
1675 | end = next ? next->offset : len; | |
1676 | ||
1677 | for (i = 0; i < al->samples_nr; i++) { | |
1678 | struct annotation_data *sample; | |
1679 | struct sym_hist *hist; | |
1680 | ||
1681 | hist = annotation__histogram(notes, evsel->idx + i); | |
1682 | sample = &al->samples[i]; | |
1683 | ||
1684 | calc_percent(hist, sample, al->offset, end); | |
1685 | } | |
1686 | } | |
073ae601 JO |
1687 | } |
1688 | ||
9e4e0a9d | 1689 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1690 | { |
1691 | struct annotation *notes = symbol__annotation(sym); | |
1692 | ||
9e4e0a9d | 1693 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1694 | } |
1695 | ||
c34df25b | 1696 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1697 | struct perf_evsel *evsel, size_t privsize, |
5449f13c | 1698 | struct arch **parch) |
c34df25b | 1699 | { |
ea07c5aa JO |
1700 | struct annotate_args args = { |
1701 | .privsize = privsize, | |
1a04db70 | 1702 | .map = map, |
d03a686e | 1703 | .evsel = evsel, |
ea07c5aa | 1704 | }; |
5449f13c | 1705 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1706 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1707 | struct arch *arch; |
1708 | int err; | |
1709 | ||
c34df25b JO |
1710 | if (!arch_name) |
1711 | return -1; | |
1712 | ||
24fe7b88 | 1713 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1714 | if (arch == NULL) |
1715 | return -ENOTSUP; | |
1716 | ||
1717 | if (parch) | |
1718 | *parch = arch; | |
1719 | ||
1720 | if (arch->init) { | |
5449f13c | 1721 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1722 | if (err) { |
1723 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1724 | return err; | |
1725 | } | |
1726 | } | |
1727 | ||
05d3f1a1 | 1728 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1729 | } |
1730 | ||
8b4c74dc | 1731 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1732 | { |
8b4c74dc | 1733 | struct annotation_line *iter; |
78f7defe ACM |
1734 | struct rb_node **p = &root->rb_node; |
1735 | struct rb_node *parent = NULL; | |
1491c22a | 1736 | int i, ret; |
78f7defe ACM |
1737 | |
1738 | while (*p != NULL) { | |
1739 | parent = *p; | |
8b4c74dc | 1740 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1741 | |
8b4c74dc | 1742 | ret = strcmp(iter->path, al->path); |
41127965 | 1743 | if (ret == 0) { |
8b4c74dc JO |
1744 | for (i = 0; i < al->samples_nr; i++) |
1745 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1746 | return; |
1747 | } | |
1748 | ||
1749 | if (ret < 0) | |
1750 | p = &(*p)->rb_left; | |
1751 | else | |
1752 | p = &(*p)->rb_right; | |
1753 | } | |
1754 | ||
8b4c74dc JO |
1755 | for (i = 0; i < al->samples_nr; i++) |
1756 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1757 | |
8b4c74dc JO |
1758 | rb_link_node(&al->rb_node, parent, p); |
1759 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1760 | } |
1761 | ||
8b4c74dc | 1762 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1763 | { |
1764 | int i; | |
1765 | ||
8b4c74dc | 1766 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1767 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1768 | continue; |
276af92f | 1769 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1770 | } |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
8b4c74dc | 1775 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1776 | { |
8b4c74dc | 1777 | struct annotation_line *iter; |
41127965 NK |
1778 | struct rb_node **p = &root->rb_node; |
1779 | struct rb_node *parent = NULL; | |
1780 | ||
1781 | while (*p != NULL) { | |
1782 | parent = *p; | |
8b4c74dc | 1783 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1784 | |
8b4c74dc | 1785 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1786 | p = &(*p)->rb_left; |
1787 | else | |
1788 | p = &(*p)->rb_right; | |
1789 | } | |
1790 | ||
8b4c74dc JO |
1791 | rb_link_node(&al->rb_node, parent, p); |
1792 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1793 | } |
1794 | ||
41127965 NK |
1795 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1796 | { | |
8b4c74dc | 1797 | struct annotation_line *al; |
41127965 NK |
1798 | struct rb_node *node; |
1799 | ||
1800 | node = rb_first(src_root); | |
1801 | while (node) { | |
1802 | struct rb_node *next; | |
1803 | ||
8b4c74dc | 1804 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1805 | next = rb_next(node); |
1806 | rb_erase(node, src_root); | |
1807 | ||
8b4c74dc | 1808 | __resort_source_line(dest_root, al); |
41127965 NK |
1809 | node = next; |
1810 | } | |
1811 | } | |
1812 | ||
78f7defe ACM |
1813 | static void print_summary(struct rb_root *root, const char *filename) |
1814 | { | |
8b4c74dc | 1815 | struct annotation_line *al; |
78f7defe ACM |
1816 | struct rb_node *node; |
1817 | ||
1818 | printf("\nSorted summary for file %s\n", filename); | |
1819 | printf("----------------------------------------------\n\n"); | |
1820 | ||
1821 | if (RB_EMPTY_ROOT(root)) { | |
1822 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1823 | return; | |
1824 | } | |
1825 | ||
1826 | node = rb_first(root); | |
1827 | while (node) { | |
1491c22a | 1828 | double percent, percent_max = 0.0; |
78f7defe ACM |
1829 | const char *color; |
1830 | char *path; | |
1491c22a | 1831 | int i; |
78f7defe | 1832 | |
8b4c74dc JO |
1833 | al = rb_entry(node, struct annotation_line, rb_node); |
1834 | for (i = 0; i < al->samples_nr; i++) { | |
1835 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1836 | color = get_percent_color(percent); |
1837 | color_fprintf(stdout, color, " %7.2f", percent); | |
1838 | ||
1839 | if (percent > percent_max) | |
1840 | percent_max = percent; | |
1841 | } | |
1842 | ||
8b4c74dc | 1843 | path = al->path; |
1491c22a | 1844 | color = get_percent_color(percent_max); |
f048d548 | 1845 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1846 | |
78f7defe ACM |
1847 | node = rb_next(node); |
1848 | } | |
1849 | } | |
1850 | ||
db8fd07a | 1851 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1852 | { |
1853 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1854 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1855 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1856 | |
1857 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1858 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1859 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1860 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1861 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1862 | } |
1863 | ||
f48e7c40 JO |
1864 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
1865 | { | |
1866 | char bf[32]; | |
1867 | struct annotation_line *line; | |
1868 | ||
1869 | list_for_each_entry_reverse(line, lines, node) { | |
1870 | if (line->offset != -1) | |
1871 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
1872 | } | |
1873 | ||
1874 | return 0; | |
1875 | } | |
1876 | ||
db8fd07a NK |
1877 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1878 | struct perf_evsel *evsel, bool full_paths, | |
1879 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1880 | { |
1881 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1882 | char *filename; |
1883 | const char *d_filename; | |
9cdbadce | 1884 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1885 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1886 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 1887 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 1888 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 1889 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 1890 | int more = 0; |
78f7defe | 1891 | u64 len; |
ce9ee4a2 | 1892 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 1893 | int graph_dotted_len; |
78f7defe | 1894 | |
bfd14b9a DA |
1895 | filename = strdup(dso->long_name); |
1896 | if (!filename) | |
1897 | return -ENOMEM; | |
1898 | ||
78f7defe ACM |
1899 | if (full_paths) |
1900 | d_filename = filename; | |
1901 | else | |
1902 | d_filename = basename(filename); | |
1903 | ||
1b2e2df4 | 1904 | len = symbol__size(sym); |
b1dd4432 | 1905 | |
759ff497 | 1906 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1907 | width *= evsel->nr_members; |
78f7defe | 1908 | |
135cce1b | 1909 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
1910 | width, width, symbol_conf.show_total_period ? "Period" : |
1911 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 1912 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 1913 | |
53dd9b5f | 1914 | printf("%-*.*s----\n", |
9cdbadce | 1915 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1916 | |
bb963e16 | 1917 | if (verbose > 0) |
db8fd07a | 1918 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1919 | |
f48e7c40 JO |
1920 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
1921 | ||
8f25b819 JO |
1922 | list_for_each_entry(pos, ¬es->src->source, node) { |
1923 | int err; | |
1924 | ||
d5e3d747 ACM |
1925 | if (context && queue == NULL) { |
1926 | queue = pos; | |
1927 | queue_len = 0; | |
1928 | } | |
1929 | ||
8f25b819 JO |
1930 | err = annotation_line__print(pos, sym, start, evsel, len, |
1931 | min_pcnt, printed, max_lines, | |
f48e7c40 | 1932 | queue, addr_fmt_width); |
8f25b819 JO |
1933 | |
1934 | switch (err) { | |
36532461 ACM |
1935 | case 0: |
1936 | ++printed; | |
d5e3d747 ACM |
1937 | if (context) { |
1938 | printed += queue_len; | |
1939 | queue = NULL; | |
1940 | queue_len = 0; | |
1941 | } | |
36532461 ACM |
1942 | break; |
1943 | case 1: | |
1944 | /* filtered by max_lines */ | |
1945 | ++more; | |
d040bd36 | 1946 | break; |
36532461 ACM |
1947 | case -1: |
1948 | default: | |
d5e3d747 ACM |
1949 | /* |
1950 | * Filtered by min_pcnt or non IP lines when | |
1951 | * context != 0 | |
1952 | */ | |
1953 | if (!context) | |
1954 | break; | |
1955 | if (queue_len == context) | |
8f25b819 | 1956 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
1957 | else |
1958 | ++queue_len; | |
36532461 ACM |
1959 | break; |
1960 | } | |
1961 | } | |
1962 | ||
bfd14b9a DA |
1963 | free(filename); |
1964 | ||
36532461 ACM |
1965 | return more; |
1966 | } | |
f1e2701d | 1967 | |
36532461 ACM |
1968 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
1969 | { | |
1970 | struct annotation *notes = symbol__annotation(sym); | |
1971 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1972 | ||
ce6f4fab | 1973 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
1974 | } |
1975 | ||
ce6f4fab | 1976 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
1977 | { |
1978 | struct annotation *notes = symbol__annotation(sym); | |
1979 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 1980 | int len = symbol__size(sym), offset; |
36532461 | 1981 | |
8158683d | 1982 | h->nr_samples = 0; |
8b84a568 | 1983 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 1984 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 1985 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
1986 | } |
1987 | } | |
1988 | ||
f8eb37bd | 1989 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 1990 | { |
f8eb37bd | 1991 | struct annotation_line *al, *n; |
f1e2701d | 1992 | |
f8eb37bd JO |
1993 | list_for_each_entry_safe(al, n, &as->source, node) { |
1994 | list_del(&al->node); | |
1995 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
1996 | } |
1997 | } | |
1998 | ||
5145418b ACM |
1999 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2000 | { | |
2001 | size_t printed; | |
2002 | ||
d5490b96 JO |
2003 | if (dl->al.offset == -1) |
2004 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2005 | |
d5490b96 | 2006 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2007 | |
c7e6ead7 | 2008 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2009 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2010 | dl->ops.raw); |
5145418b ACM |
2011 | } |
2012 | ||
2013 | return printed + fprintf(fp, "\n"); | |
2014 | } | |
2015 | ||
2016 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2017 | { | |
2018 | struct disasm_line *pos; | |
2019 | size_t printed = 0; | |
2020 | ||
a17c4ca0 | 2021 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2022 | printed += disasm_line__fprintf(pos, fp); |
2023 | ||
2024 | return printed; | |
2025 | } | |
2026 | ||
0db45bcf ACM |
2027 | |
2028 | bool disasm_line__is_valid_jump(struct disasm_line *dl, struct symbol *sym) | |
2029 | { | |
2030 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2031 | !disasm_line__has_offset(dl) || dl->ops.target.offset < 0 || | |
2032 | dl->ops.target.offset >= (s64)symbol__size(sym)) | |
2033 | return false; | |
2034 | ||
2035 | return true; | |
2036 | } | |
2037 | ||
2038 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2039 | { | |
2040 | u64 offset, size = symbol__size(sym); | |
2041 | ||
2042 | /* PLT symbols contain external offsets */ | |
2043 | if (strstr(sym->name, "@plt")) | |
2044 | return; | |
2045 | ||
2046 | for (offset = 0; offset < size; ++offset) { | |
2047 | struct annotation_line *al = notes->offsets[offset]; | |
2048 | struct disasm_line *dl; | |
2049 | ||
2050 | dl = disasm_line(al); | |
2051 | ||
2052 | if (!disasm_line__is_valid_jump(dl, sym)) | |
2053 | continue; | |
2054 | ||
2055 | al = notes->offsets[dl->ops.target.offset]; | |
2056 | ||
2057 | /* | |
2058 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2059 | * have to adjust to the previous offset? | |
2060 | */ | |
2061 | if (al == NULL) | |
2062 | continue; | |
2063 | ||
2064 | if (++al->jump_sources > notes->max_jump_sources) | |
2065 | notes->max_jump_sources = al->jump_sources; | |
2066 | ||
2067 | ++notes->nr_jumps; | |
2068 | } | |
2069 | } | |
2070 | ||
5bc49f61 ACM |
2071 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2072 | { | |
2073 | struct annotation_line *al; | |
2074 | ||
2075 | notes->max_line_len = 0; | |
2076 | ||
2077 | list_for_each_entry(al, ¬es->src->source, node) { | |
2078 | size_t line_len = strlen(al->line); | |
2079 | ||
2080 | if (notes->max_line_len < line_len) | |
2081 | notes->max_line_len = line_len; | |
2082 | al->idx = notes->nr_entries++; | |
2083 | if (al->offset != -1) { | |
2084 | al->idx_asm = notes->nr_asm_entries++; | |
2085 | /* | |
2086 | * FIXME: short term bandaid to cope with assembly | |
2087 | * routines that comes with labels in the same column | |
2088 | * as the address in objdump, sigh. | |
2089 | * | |
2090 | * E.g. copy_user_generic_unrolled | |
2091 | */ | |
2092 | if (al->offset < size) | |
2093 | notes->offsets[al->offset] = al; | |
2094 | } else | |
2095 | al->idx_asm = -1; | |
2096 | } | |
2097 | } | |
2098 | ||
b8b0d819 ACM |
2099 | static inline int width_jumps(int n) |
2100 | { | |
2101 | if (n >= 100) | |
2102 | return 5; | |
2103 | if (n / 10) | |
2104 | return 2; | |
2105 | return 1; | |
2106 | } | |
2107 | ||
2108 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) | |
2109 | { | |
2110 | notes->widths.addr = notes->widths.target = | |
2111 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2112 | notes->widths.max_addr = hex_width(sym->end); | |
2113 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
2114 | } | |
2115 | ||
7232bf7a ACM |
2116 | void annotation__update_column_widths(struct annotation *notes) |
2117 | { | |
2118 | if (notes->options->use_offset) | |
2119 | notes->widths.target = notes->widths.min_addr; | |
2120 | else | |
2121 | notes->widths.target = notes->widths.max_addr; | |
2122 | ||
2123 | notes->widths.addr = notes->widths.target; | |
2124 | ||
2125 | if (notes->options->show_nr_jumps) | |
2126 | notes->widths.addr += notes->widths.jumps + 1; | |
2127 | } | |
2128 | ||
8b4c74dc JO |
2129 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
2130 | struct rb_root *root, u64 start) | |
2131 | { | |
2132 | struct annotation_line *al; | |
2133 | struct rb_root tmp_root = RB_ROOT; | |
2134 | ||
2135 | list_for_each_entry(al, ¬es->src->source, node) { | |
2136 | double percent_max = 0.0; | |
2137 | int i; | |
2138 | ||
2139 | for (i = 0; i < al->samples_nr; i++) { | |
2140 | struct annotation_data *sample; | |
2141 | ||
2142 | sample = &al->samples[i]; | |
2143 | ||
2144 | if (sample->percent > percent_max) | |
2145 | percent_max = sample->percent; | |
2146 | } | |
2147 | ||
2148 | if (percent_max <= 0.5) | |
2149 | continue; | |
2150 | ||
935f5a9d JY |
2151 | al->path = get_srcline(map->dso, start + al->offset, NULL, |
2152 | false, true, start + al->offset); | |
8b4c74dc JO |
2153 | insert_source_line(&tmp_root, al); |
2154 | } | |
2155 | ||
2156 | resort_source_line(root, &tmp_root); | |
2157 | } | |
2158 | ||
2159 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
2160 | struct rb_root *root) | |
2161 | { | |
2162 | struct annotation *notes = symbol__annotation(sym); | |
2163 | u64 start = map__rip_2objdump(map, sym->start); | |
2164 | ||
2165 | annotation__calc_lines(notes, map, root, start); | |
2166 | } | |
2167 | ||
db8fd07a NK |
2168 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
2169 | struct perf_evsel *evsel, bool print_lines, | |
2170 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
2171 | { |
2172 | struct dso *dso = map->dso; | |
f1e2701d | 2173 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2174 | |
5449f13c | 2175 | if (symbol__annotate(sym, map, evsel, 0, NULL) < 0) |
f1e2701d ACM |
2176 | return -1; |
2177 | ||
05d3f1a1 JO |
2178 | symbol__calc_percent(sym, evsel); |
2179 | ||
f1e2701d | 2180 | if (print_lines) { |
4a4c03c1 | 2181 | srcline_full_filename = full_paths; |
8b4c74dc | 2182 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 2183 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2184 | } |
2185 | ||
db8fd07a | 2186 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 2187 | min_pcnt, max_lines, 0); |
78f7defe | 2188 | |
f8eb37bd | 2189 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2190 | |
78f7defe ACM |
2191 | return 0; |
2192 | } | |
f626adff | 2193 | |
48c65bda NK |
2194 | bool ui__has_annotation(void) |
2195 | { | |
2e0453af | 2196 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2197 | } |
ecda45bd | 2198 | |
2f025ea0 ACM |
2199 | |
2200 | double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes) | |
2201 | { | |
2202 | double percent_max = 0.0; | |
2203 | int i; | |
2204 | ||
2205 | for (i = 0; i < notes->nr_events; i++) { | |
2206 | if (al->samples[i].percent > percent_max) | |
2207 | percent_max = al->samples[i].percent; | |
2208 | } | |
2209 | ||
2210 | return percent_max; | |
2211 | } | |
2212 | ||
2ba5eca1 ACM |
2213 | static void set_percent_color_stub(void *obj __maybe_unused, |
2214 | double percent __maybe_unused, | |
2215 | bool current __maybe_unused) | |
2216 | { | |
2217 | } | |
2218 | ||
a1e9b74c ACM |
2219 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2220 | void *obj, char *bf, size_t size, | |
2221 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2222 | void (*obj__write_graph)(void *obj, int graph)) | |
2223 | { | |
2224 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2225 | if (ins__is_jump(&dl->ins)) { | |
2226 | bool fwd = dl->ops.target.offset > dl->al.offset; | |
2227 | ||
2228 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); | |
2229 | obj__printf(obj, " "); | |
2230 | } else if (ins__is_call(&dl->ins)) { | |
2231 | obj__write_graph(obj, RARROW_CHAR); | |
2232 | obj__printf(obj, " "); | |
2233 | } else if (ins__is_ret(&dl->ins)) { | |
2234 | obj__write_graph(obj, LARROW_CHAR); | |
2235 | obj__printf(obj, " "); | |
2236 | } else { | |
2237 | obj__printf(obj, " "); | |
2238 | } | |
2239 | } else { | |
2240 | obj__printf(obj, " "); | |
2241 | } | |
2242 | ||
2243 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); | |
2244 | } | |
2245 | ||
2246 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, | |
2247 | bool first_line, bool current_entry, bool change_color, int width, | |
2248 | void *obj, | |
2249 | int (*obj__set_color)(void *obj, int color), | |
2250 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2251 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2252 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2253 | void (*obj__write_graph)(void *obj, int graph)) | |
2ba5eca1 ACM |
2254 | { |
2255 | double percent_max = annotation_line__max_percent(al, notes); | |
a1e9b74c ACM |
2256 | int pcnt_width = annotation__pcnt_width(notes), |
2257 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2258 | bool show_title = false; |
a1e9b74c ACM |
2259 | char bf[256]; |
2260 | int printed; | |
2ba5eca1 ACM |
2261 | |
2262 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2263 | if (notes->have_cycles) { | |
2264 | if (al->ipc == 0.0 && al->cycles == 0) | |
2265 | show_title = true; | |
2266 | } else | |
2267 | show_title = true; | |
2268 | } | |
2269 | ||
2270 | if (!obj__set_percent_color) | |
2271 | obj__set_percent_color = set_percent_color_stub; | |
2272 | ||
2273 | if (al->offset != -1 && percent_max != 0.0) { | |
2274 | int i; | |
2275 | ||
2276 | for (i = 0; i < notes->nr_events; i++) { | |
2277 | obj__set_percent_color(obj, al->samples[i].percent, current_entry); | |
2278 | if (notes->options->show_total_period) { | |
2279 | obj__printf(obj, "%11" PRIu64 " ", al->samples[i].he.period); | |
2280 | } else if (notes->options->show_nr_samples) { | |
2281 | obj__printf(obj, "%6" PRIu64 " ", | |
2282 | al->samples[i].he.nr_samples); | |
2283 | } else { | |
2284 | obj__printf(obj, "%6.2f ", | |
2285 | al->samples[i].percent); | |
2286 | } | |
2287 | } | |
2288 | } else { | |
2ba5eca1 ACM |
2289 | obj__set_percent_color(obj, 0, current_entry); |
2290 | ||
2291 | if (!show_title) | |
a1e9b74c | 2292 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2293 | else { |
a1e9b74c | 2294 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2295 | notes->options->show_total_period ? "Period" : |
2296 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2297 | } | |
2298 | } | |
2299 | ||
2300 | if (notes->have_cycles) { | |
2301 | if (al->ipc) | |
2302 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2303 | else if (!show_title) | |
2304 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2305 | else | |
2306 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2307 | ||
2308 | if (al->cycles) | |
2309 | obj__printf(obj, "%*" PRIu64 " ", | |
2310 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); | |
2311 | else if (!show_title) | |
2312 | obj__printf(obj, "%*s", ANNOTATION__CYCLES_WIDTH, " "); | |
2313 | else | |
2314 | obj__printf(obj, "%*s ", ANNOTATION__CYCLES_WIDTH - 1, "Cycle"); | |
2315 | } | |
2316 | ||
2317 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2318 | |
2319 | if (!*al->line) | |
2320 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2321 | else if (al->offset == -1) { | |
2322 | if (al->line_nr && notes->options->show_linenr) | |
2323 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2324 | else | |
2325 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2326 | obj__printf(obj, bf); | |
2327 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2328 | } else { | |
2329 | u64 addr = al->offset; | |
2330 | int color = -1; | |
2331 | ||
2332 | if (!notes->options->use_offset) | |
2333 | addr += notes->start; | |
2334 | ||
2335 | if (!notes->options->use_offset) { | |
2336 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2337 | } else { | |
2338 | if (al->jump_sources) { | |
2339 | if (notes->options->show_nr_jumps) { | |
2340 | int prev; | |
2341 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2342 | notes->widths.jumps, | |
2343 | al->jump_sources); | |
2344 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2345 | current_entry); | |
2346 | obj__printf(obj, bf); | |
2347 | obj__set_color(obj, prev); | |
2348 | } | |
2349 | ||
2350 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", | |
2351 | notes->widths.target, addr); | |
2352 | } else { | |
2353 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2354 | notes->widths.addr, " "); | |
2355 | } | |
2356 | } | |
2357 | ||
2358 | if (change_color) | |
2359 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2360 | obj__printf(obj, bf); | |
2361 | if (change_color) | |
2362 | obj__set_color(obj, color); | |
2363 | ||
2364 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2365 | ||
2366 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2367 | } | |
2368 | ||
2ba5eca1 ACM |
2369 | } |
2370 | ||
ecda45bd ACM |
2371 | int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, |
2372 | struct annotation_options *options, struct arch **parch) | |
2373 | { | |
2374 | struct annotation *notes = symbol__annotation(sym); | |
2375 | size_t size = symbol__size(sym); | |
2376 | int nr_pcnt = 1, err; | |
2377 | ||
2378 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2379 | if (notes->offsets == NULL) | |
2380 | return -1; | |
2381 | ||
2382 | if (perf_evsel__is_group_event(evsel)) | |
2383 | nr_pcnt = evsel->nr_members; | |
2384 | ||
2385 | err = symbol__annotate(sym, map, evsel, 0, parch); | |
2386 | if (err) | |
2387 | goto out_free_offsets; | |
2388 | ||
2389 | notes->options = options; | |
2390 | ||
2391 | symbol__calc_percent(sym, evsel); | |
2392 | ||
2393 | notes->start = map__rip_2objdump(map, sym->start); | |
2394 | ||
2395 | annotation__set_offsets(notes, size); | |
2396 | annotation__mark_jump_targets(notes, sym); | |
2397 | annotation__compute_ipc(notes, size); | |
2398 | annotation__init_column_widths(notes, sym); | |
2399 | notes->nr_events = nr_pcnt; | |
2400 | ||
2401 | annotation__update_column_widths(notes); | |
2402 | ||
2403 | return 0; | |
2404 | ||
2405 | out_free_offsets: | |
2406 | zfree(¬es->offsets); | |
2407 | return -1; | |
2408 | } |