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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" | |
7f0b6fde | 17 | #include "config.h" |
78f7defe ACM |
18 | #include "cache.h" |
19 | #include "symbol.h" | |
20 | #include "debug.h" | |
21 | #include "annotate.h" | |
db8fd07a | 22 | #include "evsel.h" |
70fbe057 | 23 | #include "block-range.h" |
a067558e | 24 | #include "string2.h" |
786c1b51 | 25 | #include "arch/common.h" |
e592488c | 26 | #include <regex.h> |
ce6f4fab | 27 | #include <pthread.h> |
4383db88 | 28 | #include <linux/bitops.h> |
877a7a11 | 29 | #include <linux/kernel.h> |
78f7defe | 30 | |
a1e9b74c ACM |
31 | /* FIXME: For the HE_COLORSET */ |
32 | #include "ui/browser.h" | |
33 | ||
34 | /* | |
35 | * FIXME: Using the same values as slang.h, | |
36 | * but that header may not be available everywhere | |
37 | */ | |
c298304b ACM |
38 | #define LARROW_CHAR ((unsigned char)',') |
39 | #define RARROW_CHAR ((unsigned char)'+') | |
40 | #define DARROW_CHAR ((unsigned char)'.') | |
41 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 42 | |
3d689ed6 ACM |
43 | #include "sane_ctype.h" |
44 | ||
7f0b6fde ACM |
45 | struct annotation_options annotation__default_options = { |
46 | .use_offset = true, | |
47 | .jump_arrows = true, | |
48 | }; | |
49 | ||
f69b64f7 | 50 | const char *disassembler_style; |
7a4ec938 | 51 | const char *objdump_path; |
e592488c | 52 | static regex_t file_lineno; |
f69b64f7 | 53 | |
75b49202 | 54 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 55 | static void ins__sort(struct arch *arch); |
75b49202 | 56 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 57 | |
786c1b51 ACM |
58 | struct arch { |
59 | const char *name; | |
763d8960 ACM |
60 | struct ins *instructions; |
61 | size_t nr_instructions; | |
2a1ff812 ACM |
62 | size_t nr_instructions_allocated; |
63 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 64 | bool sorted_instructions; |
0781ea92 ACM |
65 | bool initialized; |
66 | void *priv; | |
69fb09f6 JY |
67 | unsigned int model; |
68 | unsigned int family; | |
696e2457 | 69 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
70 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
71 | const char *ins2); | |
786c1b51 ACM |
72 | struct { |
73 | char comment_char; | |
9c2fb451 | 74 | char skip_functions_char; |
786c1b51 ACM |
75 | } objdump; |
76 | }; | |
77 | ||
763d8960 ACM |
78 | static struct ins_ops call_ops; |
79 | static struct ins_ops dec_ops; | |
80 | static struct ins_ops jump_ops; | |
81 | static struct ins_ops mov_ops; | |
82 | static struct ins_ops nop_ops; | |
83 | static struct ins_ops lock_ops; | |
84 | static struct ins_ops ret_ops; | |
85 | ||
2a1ff812 ACM |
86 | static int arch__grow_instructions(struct arch *arch) |
87 | { | |
88 | struct ins *new_instructions; | |
89 | size_t new_nr_allocated; | |
90 | ||
91 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
92 | goto grow_from_non_allocated_table; | |
93 | ||
94 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
95 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
96 | if (new_instructions == NULL) | |
97 | return -1; | |
98 | ||
99 | out_update_instructions: | |
100 | arch->instructions = new_instructions; | |
101 | arch->nr_instructions_allocated = new_nr_allocated; | |
102 | return 0; | |
103 | ||
104 | grow_from_non_allocated_table: | |
105 | new_nr_allocated = arch->nr_instructions + 128; | |
106 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
107 | if (new_instructions == NULL) | |
108 | return -1; | |
109 | ||
110 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
111 | goto out_update_instructions; | |
112 | } | |
113 | ||
acc9bfb5 | 114 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
115 | { |
116 | struct ins *ins; | |
117 | ||
118 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
119 | arch__grow_instructions(arch)) | |
120 | return -1; | |
121 | ||
122 | ins = &arch->instructions[arch->nr_instructions]; | |
123 | ins->name = strdup(name); | |
124 | if (!ins->name) | |
125 | return -1; | |
126 | ||
127 | ins->ops = ops; | |
128 | arch->nr_instructions++; | |
129 | ||
130 | ins__sort(arch); | |
131 | return 0; | |
132 | } | |
133 | ||
763d8960 | 134 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 135 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 136 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 137 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 138 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 139 | |
786c1b51 ACM |
140 | static struct arch architectures[] = { |
141 | { | |
142 | .name = "arm", | |
acc9bfb5 | 143 | .init = arm__annotate_init, |
786c1b51 | 144 | }, |
0fcb1da4 KP |
145 | { |
146 | .name = "arm64", | |
147 | .init = arm64__annotate_init, | |
148 | }, | |
786c1b51 ACM |
149 | { |
150 | .name = "x86", | |
696e2457 | 151 | .init = x86__annotate_init, |
763d8960 ACM |
152 | .instructions = x86__instructions, |
153 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 154 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
155 | .objdump = { |
156 | .comment_char = '#', | |
157 | }, | |
158 | }, | |
dbdebdc5 RB |
159 | { |
160 | .name = "powerpc", | |
161 | .init = powerpc__annotate_init, | |
162 | }, | |
e77852b3 CB |
163 | { |
164 | .name = "s390", | |
d9f8dfa9 | 165 | .init = s390__annotate_init, |
e77852b3 CB |
166 | .objdump = { |
167 | .comment_char = '#', | |
168 | }, | |
169 | }, | |
786c1b51 ACM |
170 | }; |
171 | ||
c46219ac ACM |
172 | static void ins__delete(struct ins_operands *ops) |
173 | { | |
3995614d ACM |
174 | if (ops == NULL) |
175 | return; | |
74cf249d ACM |
176 | zfree(&ops->source.raw); |
177 | zfree(&ops->source.name); | |
178 | zfree(&ops->target.raw); | |
179 | zfree(&ops->target.name); | |
c46219ac ACM |
180 | } |
181 | ||
5417072b ACM |
182 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
183 | struct ins_operands *ops) | |
184 | { | |
648388ae | 185 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
186 | } |
187 | ||
188 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
189 | struct ins_operands *ops) | |
190 | { | |
191 | if (ins->ops->scnprintf) | |
192 | return ins->ops->scnprintf(ins, bf, size, ops); | |
193 | ||
194 | return ins__raw_scnprintf(ins, bf, size, ops); | |
195 | } | |
196 | ||
69fb09f6 JY |
197 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
198 | { | |
199 | if (!arch || !arch->ins_is_fused) | |
200 | return false; | |
201 | ||
202 | return arch->ins_is_fused(arch, ins1, ins2); | |
203 | } | |
204 | ||
85a84e4f | 205 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 206 | { |
d2232885 | 207 | char *endptr, *tok, *name; |
85a84e4f | 208 | struct map *map = ms->map; |
696703af ACM |
209 | struct addr_map_symbol target = { |
210 | .map = map, | |
211 | }; | |
d2232885 | 212 | |
44d1a3ed | 213 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
214 | |
215 | name = strchr(endptr, '<'); | |
216 | if (name == NULL) | |
217 | goto indirect_call; | |
218 | ||
219 | name++; | |
220 | ||
9c2fb451 ACM |
221 | if (arch->objdump.skip_functions_char && |
222 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 223 | return -1; |
cfef25b8 | 224 | |
d2232885 ACM |
225 | tok = strchr(name, '>'); |
226 | if (tok == NULL) | |
227 | return -1; | |
228 | ||
229 | *tok = '\0'; | |
44d1a3ed | 230 | ops->target.name = strdup(name); |
d2232885 ACM |
231 | *tok = '>'; |
232 | ||
696703af ACM |
233 | if (ops->target.name == NULL) |
234 | return -1; | |
235 | find_target: | |
236 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 237 | |
696703af ACM |
238 | if (map_groups__find_ams(&target) == 0 && |
239 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
240 | ops->target.sym = target.sym; | |
e8ea1561 | 241 | |
d86b0597 | 242 | return 0; |
696703af ACM |
243 | |
244 | indirect_call: | |
245 | tok = strchr(endptr, '*'); | |
246 | if (tok != NULL) | |
247 | ops->target.addr = strtoull(tok + 1, NULL, 16); | |
248 | goto find_target; | |
d86b0597 ACM |
249 | } |
250 | ||
d2232885 | 251 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 252 | struct ins_operands *ops) |
d2232885 | 253 | { |
696703af ACM |
254 | if (ops->target.sym) |
255 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 256 | |
e8ea1561 ACM |
257 | if (ops->target.addr == 0) |
258 | return ins__raw_scnprintf(ins, bf, size, ops); | |
259 | ||
4c9cb2c2 ACM |
260 | if (ops->target.name) |
261 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); | |
262 | ||
648388ae | 263 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
264 | } |
265 | ||
d86b0597 | 266 | static struct ins_ops call_ops = { |
d2232885 ACM |
267 | .parse = call__parse, |
268 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
269 | }; |
270 | ||
271 | bool ins__is_call(const struct ins *ins) | |
272 | { | |
0b58a77c | 273 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
274 | } |
275 | ||
751b1783 | 276 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms) |
4f9d0325 | 277 | { |
751b1783 ACM |
278 | struct map *map = ms->map; |
279 | struct symbol *sym = ms->sym; | |
280 | struct addr_map_symbol target = { | |
281 | .map = map, | |
282 | }; | |
c7e6ead7 | 283 | const char *s = strchr(ops->raw, '+'); |
3ee2eb6d | 284 | const char *c = strchr(ops->raw, ','); |
751b1783 ACM |
285 | u64 start, end; |
286 | /* | |
287 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
288 | * function: | |
289 | * | |
290 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
291 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
292 | * | |
293 | * The first is a jump to an offset inside the same function, | |
294 | * the second is to another function, i.e. that 0xa72 is an | |
295 | * offset in the cpp_named_operator2name@@base function. | |
296 | */ | |
b13bbeee KP |
297 | /* |
298 | * skip over possible up to 2 operands to get to address, e.g.: | |
299 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
300 | */ | |
301 | if (c++ != NULL) { | |
3ee2eb6d | 302 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
303 | if (!ops->target.addr) { |
304 | c = strchr(c, ','); | |
305 | if (c++ != NULL) | |
306 | ops->target.addr = strtoull(c, NULL, 16); | |
307 | } | |
308 | } else { | |
3ee2eb6d | 309 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 310 | } |
fb29fa58 | 311 | |
751b1783 ACM |
312 | target.addr = map__objdump_2mem(map, ops->target.addr); |
313 | start = map->unmap_ip(map, sym->start), | |
314 | end = map->unmap_ip(map, sym->end); | |
315 | ||
316 | ops->target.outside = target.addr < start || target.addr > end; | |
317 | ||
318 | /* | |
319 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
320 | ||
321 | cpp_named_operator2name@@Base+0xa72 | |
322 | ||
323 | * Point to a place that is after the cpp_named_operator2name | |
324 | * boundaries, i.e. in the ELF symbol table for cc1 | |
325 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
326 | * fact is much larger than that, so we seem to need a symbols__find() | |
327 | * routine that looks for >= current->start and < next_symbol->start, | |
328 | * possibly just for C++ objects? | |
329 | * | |
330 | * For now lets just make some progress by marking jumps to outside the | |
331 | * current function as call like. | |
332 | * | |
333 | * Actual navigation will come next, with further understanding of how | |
334 | * the symbol searching and disassembly should be done. | |
335 | ||
336 | if (map_groups__find_ams(&target) == 0 && | |
337 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
338 | ops->target.sym = target.sym; | |
339 | */ | |
340 | ||
e216874c | 341 | if (s++ != NULL) { |
bbb7f846 | 342 | ops->target.offset = strtoull(s, NULL, 16); |
e216874c RB |
343 | ops->target.offset_avail = true; |
344 | } else { | |
345 | ops->target.offset_avail = false; | |
346 | } | |
4f9d0325 | 347 | |
4f9d0325 ACM |
348 | return 0; |
349 | } | |
350 | ||
c7e6ead7 | 351 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 352 | struct ins_operands *ops) |
28548d78 | 353 | { |
b13bbeee KP |
354 | const char *c = strchr(ops->raw, ','); |
355 | ||
e216874c | 356 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
357 | return ins__raw_scnprintf(ins, bf, size, ops); |
358 | ||
b13bbeee KP |
359 | if (c != NULL) { |
360 | const char *c2 = strchr(c + 1, ','); | |
361 | ||
362 | /* check for 3-op insn */ | |
363 | if (c2 != NULL) | |
364 | c = c2; | |
365 | c++; | |
366 | ||
367 | /* mirror arch objdump's space-after-comma style */ | |
368 | if (*c == ' ') | |
369 | c++; | |
370 | } | |
371 | ||
648388ae | 372 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
373 | ins->name, c ? c - ops->raw : 0, ops->raw, |
374 | ops->target.offset); | |
28548d78 ACM |
375 | } |
376 | ||
4f9d0325 | 377 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
378 | .parse = jump__parse, |
379 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
380 | }; |
381 | ||
382 | bool ins__is_jump(const struct ins *ins) | |
383 | { | |
384 | return ins->ops == &jump_ops; | |
385 | } | |
386 | ||
6de783b6 ACM |
387 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
388 | { | |
389 | char *endptr, *name, *t; | |
390 | ||
391 | if (strstr(raw, "(%rip)") == NULL) | |
392 | return 0; | |
393 | ||
394 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
395 | if (endptr == comment) |
396 | return 0; | |
6de783b6 ACM |
397 | name = strchr(endptr, '<'); |
398 | if (name == NULL) | |
399 | return -1; | |
400 | ||
401 | name++; | |
402 | ||
403 | t = strchr(name, '>'); | |
404 | if (t == NULL) | |
405 | return 0; | |
406 | ||
407 | *t = '\0'; | |
408 | *namep = strdup(name); | |
409 | *t = '>'; | |
410 | ||
411 | return 0; | |
412 | } | |
413 | ||
85a84e4f | 414 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 415 | { |
7a997fe4 ACM |
416 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
417 | if (ops->locked.ops == NULL) | |
418 | return 0; | |
419 | ||
75b49202 | 420 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
421 | goto out_free_ops; |
422 | ||
75b49202 | 423 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 424 | |
75b49202 | 425 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 426 | goto out_free_ops; |
7a997fe4 | 427 | |
75b49202 | 428 | if (ops->locked.ins.ops->parse && |
85a84e4f | 429 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 430 | goto out_free_ops; |
7a997fe4 ACM |
431 | |
432 | return 0; | |
433 | ||
434 | out_free_ops: | |
04662523 | 435 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
436 | return 0; |
437 | } | |
438 | ||
439 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
440 | struct ins_operands *ops) | |
441 | { | |
442 | int printed; | |
443 | ||
75b49202 | 444 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
445 | return ins__raw_scnprintf(ins, bf, size, ops); |
446 | ||
648388ae | 447 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 448 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
449 | size - printed, ops->locked.ops); |
450 | } | |
451 | ||
c46219ac ACM |
452 | static void lock__delete(struct ins_operands *ops) |
453 | { | |
75b49202 | 454 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 455 | |
75b49202 | 456 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
457 | ins->ops->free(ops->locked.ops); |
458 | else | |
459 | ins__delete(ops->locked.ops); | |
460 | ||
74cf249d ACM |
461 | zfree(&ops->locked.ops); |
462 | zfree(&ops->target.raw); | |
463 | zfree(&ops->target.name); | |
c46219ac ACM |
464 | } |
465 | ||
7a997fe4 | 466 | static struct ins_ops lock_ops = { |
c46219ac | 467 | .free = lock__delete, |
7a997fe4 ACM |
468 | .parse = lock__parse, |
469 | .scnprintf = lock__scnprintf, | |
470 | }; | |
471 | ||
85a84e4f | 472 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
473 | { |
474 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
475 | ||
476 | if (s == NULL) | |
477 | return -1; | |
478 | ||
479 | *s = '\0'; | |
480 | ops->source.raw = strdup(ops->raw); | |
481 | *s = ','; | |
48000a1a | 482 | |
6de783b6 ACM |
483 | if (ops->source.raw == NULL) |
484 | return -1; | |
485 | ||
486 | target = ++s; | |
786c1b51 | 487 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
488 | |
489 | if (comment != NULL) | |
490 | s = comment - 1; | |
491 | else | |
492 | s = strchr(s, '\0') - 1; | |
6de783b6 | 493 | |
1e2bb043 AC |
494 | while (s > target && isspace(s[0])) |
495 | --s; | |
496 | s++; | |
6de783b6 ACM |
497 | prev = *s; |
498 | *s = '\0'; | |
499 | ||
500 | ops->target.raw = strdup(target); | |
501 | *s = prev; | |
502 | ||
503 | if (ops->target.raw == NULL) | |
504 | goto out_free_source; | |
505 | ||
6de783b6 ACM |
506 | if (comment == NULL) |
507 | return 0; | |
508 | ||
4597cf06 | 509 | comment = ltrim(comment); |
35a8a148 TR |
510 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
511 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
512 | |
513 | return 0; | |
514 | ||
515 | out_free_source: | |
04662523 | 516 | zfree(&ops->source.raw); |
6de783b6 ACM |
517 | return -1; |
518 | } | |
519 | ||
520 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
521 | struct ins_operands *ops) | |
522 | { | |
648388ae | 523 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
524 | ops->source.name ?: ops->source.raw, |
525 | ops->target.name ?: ops->target.raw); | |
526 | } | |
527 | ||
528 | static struct ins_ops mov_ops = { | |
529 | .parse = mov__parse, | |
530 | .scnprintf = mov__scnprintf, | |
531 | }; | |
532 | ||
85a84e4f | 533 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
534 | { |
535 | char *target, *comment, *s, prev; | |
536 | ||
537 | target = s = ops->raw; | |
538 | ||
539 | while (s[0] != '\0' && !isspace(s[0])) | |
540 | ++s; | |
541 | prev = *s; | |
542 | *s = '\0'; | |
543 | ||
544 | ops->target.raw = strdup(target); | |
545 | *s = prev; | |
546 | ||
547 | if (ops->target.raw == NULL) | |
548 | return -1; | |
549 | ||
859afa6c | 550 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
551 | if (comment == NULL) |
552 | return 0; | |
553 | ||
4597cf06 | 554 | comment = ltrim(comment); |
35a8a148 | 555 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
556 | |
557 | return 0; | |
558 | } | |
559 | ||
560 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
561 | struct ins_operands *ops) | |
562 | { | |
648388ae | 563 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
564 | ops->target.name ?: ops->target.raw); |
565 | } | |
566 | ||
567 | static struct ins_ops dec_ops = { | |
568 | .parse = dec__parse, | |
569 | .scnprintf = dec__scnprintf, | |
570 | }; | |
571 | ||
1d037ca1 IT |
572 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
573 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 574 | { |
648388ae | 575 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
576 | } |
577 | ||
578 | static struct ins_ops nop_ops = { | |
579 | .scnprintf = nop__scnprintf, | |
580 | }; | |
581 | ||
6ef94929 NR |
582 | static struct ins_ops ret_ops = { |
583 | .scnprintf = ins__raw_scnprintf, | |
584 | }; | |
585 | ||
586 | bool ins__is_ret(const struct ins *ins) | |
587 | { | |
588 | return ins->ops == &ret_ops; | |
589 | } | |
590 | ||
7e63a13a JY |
591 | bool ins__is_lock(const struct ins *ins) |
592 | { | |
593 | return ins->ops == &lock_ops; | |
594 | } | |
595 | ||
7e4c1498 | 596 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
597 | { |
598 | const struct ins *ins = insp; | |
599 | ||
600 | return strcmp(name, ins->name); | |
601 | } | |
602 | ||
7e4c1498 CR |
603 | static int ins__cmp(const void *a, const void *b) |
604 | { | |
605 | const struct ins *ia = a; | |
606 | const struct ins *ib = b; | |
607 | ||
608 | return strcmp(ia->name, ib->name); | |
609 | } | |
610 | ||
763d8960 | 611 | static void ins__sort(struct arch *arch) |
7e4c1498 | 612 | { |
763d8960 | 613 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 614 | |
763d8960 | 615 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
616 | } |
617 | ||
2a1ff812 | 618 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 619 | { |
75b49202 | 620 | struct ins *ins; |
763d8960 | 621 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 622 | |
763d8960 ACM |
623 | if (!arch->sorted_instructions) { |
624 | ins__sort(arch); | |
625 | arch->sorted_instructions = true; | |
7e4c1498 | 626 | } |
4f9d0325 | 627 | |
75b49202 ACM |
628 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
629 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
630 | } |
631 | ||
2a1ff812 ACM |
632 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
633 | { | |
634 | struct ins_ops *ops = __ins__find(arch, name); | |
635 | ||
636 | if (!ops && arch->associate_instruction_ops) | |
637 | ops = arch->associate_instruction_ops(arch, name); | |
638 | ||
639 | return ops; | |
640 | } | |
641 | ||
786c1b51 ACM |
642 | static int arch__key_cmp(const void *name, const void *archp) |
643 | { | |
644 | const struct arch *arch = archp; | |
645 | ||
646 | return strcmp(name, arch->name); | |
647 | } | |
648 | ||
649 | static int arch__cmp(const void *a, const void *b) | |
650 | { | |
651 | const struct arch *aa = a; | |
652 | const struct arch *ab = b; | |
653 | ||
654 | return strcmp(aa->name, ab->name); | |
655 | } | |
656 | ||
657 | static void arch__sort(void) | |
658 | { | |
659 | const int nmemb = ARRAY_SIZE(architectures); | |
660 | ||
661 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
662 | } | |
663 | ||
664 | static struct arch *arch__find(const char *name) | |
665 | { | |
666 | const int nmemb = ARRAY_SIZE(architectures); | |
667 | static bool sorted; | |
668 | ||
669 | if (!sorted) { | |
670 | arch__sort(); | |
671 | sorted = true; | |
672 | } | |
673 | ||
674 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
675 | } | |
676 | ||
d04b35f8 | 677 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
678 | { |
679 | struct annotation *notes = symbol__annotation(sym); | |
331c7cb3 | 680 | size_t size = symbol__size(sym); |
8696329b CS |
681 | size_t sizeof_sym_hist; |
682 | ||
331c7cb3 RB |
683 | /* |
684 | * Add buffer of one element for zero length symbol. | |
685 | * When sample is taken from first instruction of | |
686 | * zero length symbol, perf still resolves it and | |
687 | * shows symbol name in perf report and allows to | |
688 | * annotate it. | |
689 | */ | |
690 | if (size == 0) | |
691 | size = 1; | |
692 | ||
8696329b | 693 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 694 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
695 | return -1; |
696 | ||
896bccd3 | 697 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
698 | |
699 | /* Check for overflow in zalloc argument */ | |
700 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
701 | / symbol_conf.nr_events) | |
702 | return -1; | |
ce6f4fab | 703 | |
d04b35f8 | 704 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
705 | if (notes->src == NULL) |
706 | return -1; | |
707 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 708 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
709 | INIT_LIST_HEAD(¬es->src->source); |
710 | return 0; | |
78f7defe ACM |
711 | } |
712 | ||
d4957633 AK |
713 | /* The cycles histogram is lazily allocated. */ |
714 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
715 | { | |
716 | struct annotation *notes = symbol__annotation(sym); | |
717 | const size_t size = symbol__size(sym); | |
718 | ||
719 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
720 | if (notes->src->cycles_hist == NULL) | |
721 | return -1; | |
722 | return 0; | |
723 | } | |
724 | ||
36532461 ACM |
725 | void symbol__annotate_zero_histograms(struct symbol *sym) |
726 | { | |
727 | struct annotation *notes = symbol__annotation(sym); | |
728 | ||
ce6f4fab | 729 | pthread_mutex_lock(¬es->lock); |
d4957633 | 730 | if (notes->src != NULL) { |
ce6f4fab ACM |
731 | memset(notes->src->histograms, 0, |
732 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
733 | if (notes->src->cycles_hist) |
734 | memset(notes->src->cycles_hist, 0, | |
735 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
736 | } | |
ce6f4fab | 737 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
738 | } |
739 | ||
d4957633 AK |
740 | static int __symbol__account_cycles(struct annotation *notes, |
741 | u64 start, | |
742 | unsigned offset, unsigned cycles, | |
743 | unsigned have_start) | |
744 | { | |
745 | struct cyc_hist *ch; | |
746 | ||
747 | ch = notes->src->cycles_hist; | |
748 | /* | |
749 | * For now we can only account one basic block per | |
750 | * final jump. But multiple could be overlapping. | |
751 | * Always account the longest one. So when | |
752 | * a shorter one has been already seen throw it away. | |
753 | * | |
754 | * We separately always account the full cycles. | |
755 | */ | |
756 | ch[offset].num_aggr++; | |
757 | ch[offset].cycles_aggr += cycles; | |
758 | ||
759 | if (!have_start && ch[offset].have_start) | |
760 | return 0; | |
761 | if (ch[offset].num) { | |
762 | if (have_start && (!ch[offset].have_start || | |
763 | ch[offset].start > start)) { | |
764 | ch[offset].have_start = 0; | |
765 | ch[offset].cycles = 0; | |
766 | ch[offset].num = 0; | |
767 | if (ch[offset].reset < 0xffff) | |
768 | ch[offset].reset++; | |
769 | } else if (have_start && | |
770 | ch[offset].start < start) | |
771 | return 0; | |
772 | } | |
773 | ch[offset].have_start = have_start; | |
774 | ch[offset].start = start; | |
775 | ch[offset].cycles += cycles; | |
776 | ch[offset].num++; | |
777 | return 0; | |
778 | } | |
779 | ||
b66d8c0c | 780 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a | 781 | struct annotation *notes, int evidx, u64 addr, |
461c17f0 | 782 | struct perf_sample *sample) |
78f7defe | 783 | { |
2f525d01 | 784 | unsigned offset; |
78f7defe ACM |
785 | struct sym_hist *h; |
786 | ||
78f7defe ACM |
787 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
788 | ||
edee44be RB |
789 | if ((addr < sym->start || addr >= sym->end) && |
790 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
791 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
792 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 793 | return -ERANGE; |
e3d006ce | 794 | } |
78f7defe | 795 | |
2f525d01 ACM |
796 | offset = addr - sym->start; |
797 | h = annotation__histogram(notes, evidx); | |
8158683d | 798 | h->nr_samples++; |
896bccd3 | 799 | h->addr[offset].nr_samples++; |
461c17f0 TS |
800 | h->period += sample->period; |
801 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
802 | |
803 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
804 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
805 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
806 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
807 | return 0; |
808 | } | |
809 | ||
d4957633 | 810 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
811 | { |
812 | struct annotation *notes = symbol__annotation(sym); | |
813 | ||
814 | if (notes->src == NULL) { | |
815 | if (symbol__alloc_hist(sym) < 0) | |
816 | return NULL; | |
817 | } | |
d4957633 AK |
818 | if (!notes->src->cycles_hist && cycles) { |
819 | if (symbol__alloc_hist_cycles(sym) < 0) | |
820 | return NULL; | |
821 | } | |
83be34a7 AK |
822 | return notes; |
823 | } | |
824 | ||
44e83039 | 825 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a TS |
826 | int evidx, u64 addr, |
827 | struct perf_sample *sample) | |
b66d8c0c ACM |
828 | { |
829 | struct annotation *notes; | |
830 | ||
48c65bda | 831 | if (sym == NULL) |
b66d8c0c | 832 | return 0; |
d4957633 | 833 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
834 | if (notes == NULL) |
835 | return -ENOMEM; | |
bab89f6a | 836 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample); |
b66d8c0c ACM |
837 | } |
838 | ||
d4957633 AK |
839 | static int symbol__account_cycles(u64 addr, u64 start, |
840 | struct symbol *sym, unsigned cycles) | |
841 | { | |
842 | struct annotation *notes; | |
843 | unsigned offset; | |
844 | ||
845 | if (sym == NULL) | |
846 | return 0; | |
847 | notes = symbol__get_annotation(sym, true); | |
848 | if (notes == NULL) | |
849 | return -ENOMEM; | |
850 | if (addr < sym->start || addr >= sym->end) | |
851 | return -ERANGE; | |
852 | ||
853 | if (start) { | |
854 | if (start < sym->start || start >= sym->end) | |
855 | return -ERANGE; | |
856 | if (start >= addr) | |
857 | start = 0; | |
858 | } | |
859 | offset = addr - sym->start; | |
860 | return __symbol__account_cycles(notes, | |
861 | start ? start - sym->start : 0, | |
862 | offset, cycles, | |
863 | !!start); | |
864 | } | |
865 | ||
866 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
867 | struct addr_map_symbol *start, | |
868 | unsigned cycles) | |
869 | { | |
3d7245b0 | 870 | u64 saddr = 0; |
d4957633 AK |
871 | int err; |
872 | ||
873 | if (!cycles) | |
874 | return 0; | |
875 | ||
876 | /* | |
877 | * Only set start when IPC can be computed. We can only | |
878 | * compute it when the basic block is completely in a single | |
879 | * function. | |
880 | * Special case the case when the jump is elsewhere, but | |
881 | * it starts on the function start. | |
882 | */ | |
883 | if (start && | |
884 | (start->sym == ams->sym || | |
885 | (ams->sym && | |
886 | start->addr == ams->sym->start + ams->map->start))) | |
887 | saddr = start->al_addr; | |
888 | if (saddr == 0) | |
3d7245b0 | 889 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
890 | ams->addr, |
891 | start ? start->addr : 0, | |
892 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
893 | saddr); | |
894 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
895 | if (err) | |
896 | pr_debug2("account_cycles failed %d\n", err); | |
897 | return err; | |
898 | } | |
899 | ||
f56c083b ACM |
900 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
901 | { | |
902 | unsigned n_insn = 0; | |
903 | u64 offset; | |
904 | ||
905 | for (offset = start; offset <= end; offset++) { | |
906 | if (notes->offsets[offset]) | |
907 | n_insn++; | |
908 | } | |
909 | return n_insn; | |
910 | } | |
911 | ||
912 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
913 | { | |
914 | unsigned n_insn; | |
915 | u64 offset; | |
916 | ||
917 | n_insn = annotation__count_insn(notes, start, end); | |
918 | if (n_insn && ch->num && ch->cycles) { | |
919 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
920 | ||
921 | /* Hide data when there are too many overlaps. */ | |
922 | if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) | |
923 | return; | |
924 | ||
925 | for (offset = start; offset <= end; offset++) { | |
926 | struct annotation_line *al = notes->offsets[offset]; | |
927 | ||
928 | if (al) | |
929 | al->ipc = ipc; | |
930 | } | |
931 | } | |
932 | } | |
933 | ||
934 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
935 | { | |
936 | u64 offset; | |
937 | ||
938 | if (!notes->src || !notes->src->cycles_hist) | |
939 | return; | |
940 | ||
941 | pthread_mutex_lock(¬es->lock); | |
942 | for (offset = 0; offset < size; ++offset) { | |
943 | struct cyc_hist *ch; | |
944 | ||
945 | ch = ¬es->src->cycles_hist[offset]; | |
946 | if (ch && ch->cycles) { | |
947 | struct annotation_line *al; | |
948 | ||
949 | if (ch->have_start) | |
950 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
951 | al = notes->offsets[offset]; | |
952 | if (al && ch->num_aggr) | |
953 | al->cycles = ch->cycles_aggr / ch->num_aggr; | |
954 | notes->have_cycles = true; | |
955 | } | |
956 | } | |
957 | pthread_mutex_unlock(¬es->lock); | |
958 | } | |
959 | ||
bab89f6a TS |
960 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
961 | int evidx) | |
0f4e7a24 | 962 | { |
bab89f6a | 963 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample); |
0f4e7a24 ACM |
964 | } |
965 | ||
bab89f6a TS |
966 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
967 | int evidx, u64 ip) | |
f626adff | 968 | { |
bab89f6a | 969 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample); |
f626adff ACM |
970 | } |
971 | ||
85a84e4f | 972 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 973 | { |
75b49202 | 974 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 975 | |
75b49202 | 976 | if (!dl->ins.ops) |
4f9d0325 ACM |
977 | return; |
978 | ||
85a84e4f | 979 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 980 | dl->ins.ops = NULL; |
4f9d0325 ACM |
981 | } |
982 | ||
75b49202 | 983 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 984 | { |
4597cf06 | 985 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
986 | |
987 | if (name[0] == '\0') | |
988 | return -1; | |
989 | ||
990 | *rawp = name + 1; | |
991 | ||
992 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
993 | ++*rawp; | |
994 | ||
995 | tmp = (*rawp)[0]; | |
996 | (*rawp)[0] = '\0'; | |
997 | *namep = strdup(name); | |
998 | ||
999 | if (*namep == NULL) | |
1000 | goto out_free_name; | |
1001 | ||
1002 | (*rawp)[0] = tmp; | |
4597cf06 | 1003 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
1004 | |
1005 | return 0; | |
1006 | ||
1007 | out_free_name: | |
75b49202 ACM |
1008 | free((void *)namep); |
1009 | *namep = NULL; | |
7a997fe4 ACM |
1010 | return -1; |
1011 | } | |
1012 | ||
ea07c5aa JO |
1013 | struct annotate_args { |
1014 | size_t privsize; | |
24fe7b88 | 1015 | struct arch *arch; |
85a84e4f | 1016 | struct map_symbol ms; |
d03a686e | 1017 | struct perf_evsel *evsel; |
4748834f JO |
1018 | s64 offset; |
1019 | char *line; | |
1020 | int line_nr; | |
ea07c5aa JO |
1021 | }; |
1022 | ||
c835e191 JO |
1023 | static void annotation_line__delete(struct annotation_line *al) |
1024 | { | |
1025 | void *ptr = (void *) al - al->privsize; | |
1026 | ||
8b4c74dc | 1027 | free_srcline(al->path); |
c835e191 JO |
1028 | zfree(&al->line); |
1029 | free(ptr); | |
1030 | } | |
1031 | ||
1032 | /* | |
1033 | * Allocating the annotation line data with following | |
1034 | * structure: | |
1035 | * | |
1036 | * -------------------------------------- | |
1037 | * private space | struct annotation_line | |
1038 | * -------------------------------------- | |
1039 | * | |
1040 | * Size of the private space is stored in 'struct annotation_line'. | |
1041 | * | |
1042 | */ | |
1043 | static struct annotation_line * | |
1044 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1045 | { | |
1046 | struct annotation_line *al; | |
7e304557 | 1047 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 1048 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1049 | int nr = 1; |
1050 | ||
1051 | if (perf_evsel__is_group_event(evsel)) | |
1052 | nr = evsel->nr_members; | |
1053 | ||
1054 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
1055 | |
1056 | al = zalloc(size); | |
1057 | if (al) { | |
1058 | al = (void *) al + privsize; | |
1059 | al->privsize = privsize; | |
1060 | al->offset = args->offset; | |
1061 | al->line = strdup(args->line); | |
1062 | al->line_nr = args->line_nr; | |
7e304557 | 1063 | al->samples_nr = nr; |
c835e191 JO |
1064 | } |
1065 | ||
1066 | return al; | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * Allocating the disasm annotation line data with | |
1071 | * following structure: | |
1072 | * | |
1073 | * ------------------------------------------------------------ | |
1074 | * privsize space | struct disasm_line | struct annotation_line | |
1075 | * ------------------------------------------------------------ | |
1076 | * | |
1077 | * We have 'struct annotation_line' member as last member | |
1078 | * of 'struct disasm_line' to have an easy access. | |
1079 | * | |
1080 | */ | |
4748834f | 1081 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1082 | { |
c835e191 JO |
1083 | struct disasm_line *dl = NULL; |
1084 | struct annotation_line *al; | |
1085 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1086 | |
c835e191 JO |
1087 | al = annotation_line__new(args, privsize); |
1088 | if (al != NULL) { | |
1089 | dl = disasm_line(al); | |
d5490b96 JO |
1090 | |
1091 | if (dl->al.line == NULL) | |
058b4cc9 | 1092 | goto out_delete; |
5145418b | 1093 | |
4748834f | 1094 | if (args->offset != -1) { |
d5490b96 | 1095 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1096 | goto out_free_line; |
1097 | ||
85a84e4f | 1098 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1099 | } |
78f7defe ACM |
1100 | } |
1101 | ||
29ed6e76 | 1102 | return dl; |
5145418b ACM |
1103 | |
1104 | out_free_line: | |
d5490b96 | 1105 | zfree(&dl->al.line); |
058b4cc9 | 1106 | out_delete: |
29ed6e76 | 1107 | free(dl); |
058b4cc9 | 1108 | return NULL; |
78f7defe ACM |
1109 | } |
1110 | ||
29ed6e76 | 1111 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1112 | { |
75b49202 ACM |
1113 | if (dl->ins.ops && dl->ins.ops->free) |
1114 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1115 | else |
1116 | ins__delete(&dl->ops); | |
75b49202 ACM |
1117 | free((void *)dl->ins.name); |
1118 | dl->ins.name = NULL; | |
c835e191 | 1119 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1120 | } |
1121 | ||
5417072b ACM |
1122 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
1123 | { | |
75b49202 | 1124 | if (raw || !dl->ins.ops) |
648388ae | 1125 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 1126 | |
75b49202 | 1127 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1128 | } |
1129 | ||
82b9d7ff | 1130 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1131 | { |
82b9d7ff | 1132 | list_add_tail(&al->node, head); |
78f7defe ACM |
1133 | } |
1134 | ||
c4c72436 JO |
1135 | struct annotation_line * |
1136 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1137 | { |
c4c72436 JO |
1138 | list_for_each_entry_continue(pos, head, node) |
1139 | if (pos->offset >= 0) | |
78f7defe ACM |
1140 | return pos; |
1141 | ||
1142 | return NULL; | |
1143 | } | |
1144 | ||
70fbe057 PZ |
1145 | static const char *annotate__address_color(struct block_range *br) |
1146 | { | |
1147 | double cov = block_range__coverage(br); | |
1148 | ||
1149 | if (cov >= 0) { | |
1150 | /* mark red for >75% coverage */ | |
1151 | if (cov > 0.75) | |
1152 | return PERF_COLOR_RED; | |
1153 | ||
1154 | /* mark dull for <1% coverage */ | |
1155 | if (cov < 0.01) | |
1156 | return PERF_COLOR_NORMAL; | |
1157 | } | |
1158 | ||
1159 | return PERF_COLOR_MAGENTA; | |
1160 | } | |
1161 | ||
1162 | static const char *annotate__asm_color(struct block_range *br) | |
1163 | { | |
1164 | double cov = block_range__coverage(br); | |
1165 | ||
1166 | if (cov >= 0) { | |
1167 | /* mark dull for <1% coverage */ | |
1168 | if (cov < 0.01) | |
1169 | return PERF_COLOR_NORMAL; | |
1170 | } | |
1171 | ||
1172 | return PERF_COLOR_BLUE; | |
1173 | } | |
1174 | ||
1175 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1176 | { | |
1177 | bool emit_comment = true; | |
1178 | ||
1179 | if (!br) | |
1180 | return; | |
1181 | ||
1182 | #if 1 | |
1183 | if (br->is_target && br->start == addr) { | |
1184 | struct block_range *branch = br; | |
1185 | double p; | |
1186 | ||
1187 | /* | |
1188 | * Find matching branch to our target. | |
1189 | */ | |
1190 | while (!branch->is_branch) | |
1191 | branch = block_range__next(branch); | |
1192 | ||
1193 | p = 100 *(double)br->entry / branch->coverage; | |
1194 | ||
1195 | if (p > 0.1) { | |
1196 | if (emit_comment) { | |
1197 | emit_comment = false; | |
1198 | printf("\t#"); | |
1199 | } | |
1200 | ||
1201 | /* | |
1202 | * The percentage of coverage joined at this target in relation | |
1203 | * to the next branch. | |
1204 | */ | |
1205 | printf(" +%.2f%%", p); | |
1206 | } | |
1207 | } | |
1208 | #endif | |
1209 | if (br->is_branch && br->end == addr) { | |
1210 | double p = 100*(double)br->taken / br->coverage; | |
1211 | ||
1212 | if (p > 0.1) { | |
1213 | if (emit_comment) { | |
1214 | emit_comment = false; | |
1215 | printf("\t#"); | |
1216 | } | |
1217 | ||
1218 | /* | |
1219 | * The percentage of coverage leaving at this branch, and | |
1220 | * its prediction ratio. | |
1221 | */ | |
1222 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1223 | } | |
1224 | } | |
1225 | } | |
1226 | ||
f48e7c40 | 1227 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1228 | { |
29971f9a JO |
1229 | s64 offset = dl->al.offset; |
1230 | const u64 addr = start + offset; | |
1231 | struct block_range *br; | |
1232 | ||
1233 | br = block_range__find(addr); | |
f48e7c40 | 1234 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1235 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1236 | annotate__branch_printf(br, addr); | |
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | static int | |
1241 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1242 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
f48e7c40 | 1243 | int max_lines, struct annotation_line *queue, int addr_fmt_width) |
29971f9a JO |
1244 | { |
1245 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1246 | static const char *prev_line; |
1247 | static const char *prev_color; | |
1248 | ||
29971f9a | 1249 | if (al->offset != -1) { |
f681d593 | 1250 | double max_percent = 0.0; |
b1dd4432 | 1251 | int i, nr_percent = 1; |
78f7defe ACM |
1252 | const char *color; |
1253 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1254 | |
29971f9a JO |
1255 | for (i = 0; i < al->samples_nr; i++) { |
1256 | struct annotation_data *sample = &al->samples[i]; | |
78f7defe | 1257 | |
f681d593 JO |
1258 | if (sample->percent > max_percent) |
1259 | max_percent = sample->percent; | |
b1dd4432 NK |
1260 | } |
1261 | ||
1262 | if (max_percent < min_pcnt) | |
36532461 ACM |
1263 | return -1; |
1264 | ||
e3087b80 | 1265 | if (max_lines && printed >= max_lines) |
36532461 | 1266 | return 1; |
d040bd36 | 1267 | |
d5e3d747 | 1268 | if (queue != NULL) { |
29971f9a JO |
1269 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1270 | if (queue == al) | |
d5e3d747 | 1271 | break; |
29971f9a | 1272 | annotation_line__print(queue, sym, start, evsel, len, |
f48e7c40 | 1273 | 0, 0, 1, NULL, addr_fmt_width); |
d5e3d747 ACM |
1274 | } |
1275 | } | |
1276 | ||
b1dd4432 | 1277 | color = get_percent_color(max_percent); |
78f7defe ACM |
1278 | |
1279 | /* | |
1280 | * Also color the filename and line if needed, with | |
1281 | * the same color than the percentage. Don't print it | |
1282 | * twice for close colored addr with the same filename:line | |
1283 | */ | |
29971f9a JO |
1284 | if (al->path) { |
1285 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1286 | || color != prev_color) { |
29971f9a JO |
1287 | color_fprintf(stdout, color, " %s", al->path); |
1288 | prev_line = al->path; | |
78f7defe ACM |
1289 | prev_color = color; |
1290 | } | |
1291 | } | |
1292 | ||
b1dd4432 | 1293 | for (i = 0; i < nr_percent; i++) { |
29971f9a | 1294 | struct annotation_data *sample = &al->samples[i]; |
f681d593 JO |
1295 | |
1296 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1297 | |
1298 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1299 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1300 | sample->he.period); |
1ac39372 TS |
1301 | else if (symbol_conf.show_nr_samples) |
1302 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1303 | sample->he.nr_samples); |
0c4a5bce | 1304 | else |
f681d593 | 1305 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1306 | } |
1307 | ||
f48e7c40 | 1308 | printf(" : "); |
70fbe057 | 1309 | |
f48e7c40 | 1310 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1311 | printf("\n"); |
e3087b80 | 1312 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1313 | return 1; |
1314 | else { | |
ce9ee4a2 | 1315 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1316 | |
d5e3d747 ACM |
1317 | if (queue) |
1318 | return -1; | |
1319 | ||
759ff497 | 1320 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1321 | width *= evsel->nr_members; |
1322 | ||
29971f9a | 1323 | if (!*al->line) |
b1dd4432 | 1324 | printf(" %*s:\n", width, " "); |
78f7defe | 1325 | else |
f48e7c40 | 1326 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1327 | } |
36532461 ACM |
1328 | |
1329 | return 0; | |
78f7defe ACM |
1330 | } |
1331 | ||
3aec150a NK |
1332 | /* |
1333 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1334 | * which looks like following | |
1335 | * | |
1336 | * 0000000000415500 <_init>: | |
1337 | * 415500: sub $0x8,%rsp | |
1338 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1339 | * 41550b: test %rax,%rax | |
1340 | * 41550e: je 415515 <_init+0x15> | |
1341 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1342 | * 415515: add $0x8,%rsp | |
1343 | * 415519: retq | |
1344 | * | |
1345 | * it will be parsed and saved into struct disasm_line as | |
1346 | * <offset> <name> <ops.raw> | |
1347 | * | |
1348 | * The offset will be a relative offset from the start of the symbol and -1 | |
1349 | * means that it's not a disassembly line so should be treated differently. | |
1350 | * The ops.raw part will be parsed further according to type of the instruction. | |
1351 | */ | |
1a04db70 | 1352 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1353 | struct annotate_args *args, |
e592488c | 1354 | int *line_nr) |
78f7defe | 1355 | { |
85a84e4f | 1356 | struct map *map = args->ms.map; |
ce6f4fab | 1357 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1358 | struct disasm_line *dl; |
4597cf06 | 1359 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1360 | size_t line_len; |
1361 | s64 line_ip, offset = -1; | |
e592488c | 1362 | regmatch_t match[2]; |
78f7defe ACM |
1363 | |
1364 | if (getline(&line, &line_len, file) < 0) | |
1365 | return -1; | |
1366 | ||
1367 | if (!line) | |
1368 | return -1; | |
1369 | ||
78f7defe | 1370 | line_ip = -1; |
4597cf06 | 1371 | parsed_line = rtrim(line); |
78f7defe | 1372 | |
e592488c | 1373 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1374 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1375 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1376 | return 0; |
1377 | } | |
1378 | ||
4597cf06 | 1379 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1380 | if (*tmp) { |
1381 | /* | |
1382 | * Parse hexa addresses followed by ':' | |
1383 | */ | |
1384 | line_ip = strtoull(tmp, &tmp2, 16); | |
1385 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1386 | line_ip = -1; | |
1387 | } | |
1388 | ||
1389 | if (line_ip != -1) { | |
1390 | u64 start = map__rip_2objdump(map, sym->start), | |
1391 | end = map__rip_2objdump(map, sym->end); | |
1392 | ||
1393 | offset = line_ip - start; | |
2c241bd3 | 1394 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1395 | offset = -1; |
058b4cc9 ACM |
1396 | else |
1397 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1398 | } |
78f7defe | 1399 | |
4748834f JO |
1400 | args->offset = offset; |
1401 | args->line = parsed_line; | |
1402 | args->line_nr = *line_nr; | |
85a84e4f | 1403 | args->ms.sym = sym; |
4748834f JO |
1404 | |
1405 | dl = disasm_line__new(args); | |
058b4cc9 | 1406 | free(line); |
e592488c | 1407 | (*line_nr)++; |
058b4cc9 | 1408 | |
29ed6e76 | 1409 | if (dl == NULL) |
78f7defe | 1410 | return -1; |
058b4cc9 | 1411 | |
2eff0611 | 1412 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1413 | dl->ops.target.offset = dl->ops.target.addr - |
1414 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1415 | dl->ops.target.offset_avail = true; |
1416 | } | |
bbb7f846 | 1417 | |
696703af ACM |
1418 | /* kcore has no symbols, so add the call target symbol */ |
1419 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1420 | struct addr_map_symbol target = { |
1421 | .map = map, | |
1422 | .addr = dl->ops.target.addr, | |
1423 | }; | |
1424 | ||
be39db9f | 1425 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1426 | target.sym->start == target.al_addr) |
696703af | 1427 | dl->ops.target.sym = target.sym; |
b178170a AH |
1428 | } |
1429 | ||
82b9d7ff | 1430 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1431 | |
1432 | return 0; | |
1433 | } | |
1434 | ||
e592488c AK |
1435 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1436 | { | |
1437 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1438 | } | |
1439 | ||
484a5e74 AH |
1440 | static void delete_last_nop(struct symbol *sym) |
1441 | { | |
1442 | struct annotation *notes = symbol__annotation(sym); | |
1443 | struct list_head *list = ¬es->src->source; | |
1444 | struct disasm_line *dl; | |
1445 | ||
1446 | while (!list_empty(list)) { | |
a17c4ca0 | 1447 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1448 | |
75b49202 ACM |
1449 | if (dl->ins.ops) { |
1450 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1451 | return; |
1452 | } else { | |
d5490b96 JO |
1453 | if (!strstr(dl->al.line, " nop ") && |
1454 | !strstr(dl->al.line, " nopl ") && | |
1455 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1456 | return; |
1457 | } | |
1458 | ||
a17c4ca0 | 1459 | list_del(&dl->al.node); |
484a5e74 AH |
1460 | disasm_line__free(dl); |
1461 | } | |
1462 | } | |
1463 | ||
ee51d851 ACM |
1464 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1465 | int errnum, char *buf, size_t buflen) | |
1466 | { | |
1467 | struct dso *dso = map->dso; | |
1468 | ||
1469 | BUG_ON(buflen == 0); | |
1470 | ||
1471 | if (errnum >= 0) { | |
1472 | str_error_r(errnum, buf, buflen); | |
1473 | return 0; | |
1474 | } | |
1475 | ||
1476 | switch (errnum) { | |
1477 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1478 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1479 | char *build_id_msg = NULL; | |
1480 | ||
1481 | if (dso->has_build_id) { | |
1482 | build_id__sprintf(dso->build_id, | |
1483 | sizeof(dso->build_id), bf + 15); | |
1484 | build_id_msg = bf; | |
1485 | } | |
1486 | scnprintf(buf, buflen, | |
1487 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1488 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1489 | "Please use:\n\n" | |
1490 | " perf buildid-cache -vu vmlinux\n\n" | |
1491 | "or:\n\n" | |
1492 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1493 | } | |
1494 | break; | |
1495 | default: | |
1496 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1497 | break; | |
1498 | } | |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | ||
05ed3ac9 | 1503 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1504 | { |
05ed3ac9 ACM |
1505 | char linkname[PATH_MAX]; |
1506 | char *build_id_filename; | |
6ebd2547 | 1507 | char *build_id_path = NULL; |
3619ef76 | 1508 | char *pos; |
78f7defe | 1509 | |
c12944f7 ACM |
1510 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1511 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1512 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1513 | |
d2396999 | 1514 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1515 | if (build_id_filename) { |
1516 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1517 | free(build_id_filename); | |
3caee094 | 1518 | } else { |
ee51d851 ACM |
1519 | if (dso->has_build_id) |
1520 | return ENOMEM; | |
78f7defe | 1521 | goto fallback; |
3caee094 ACM |
1522 | } |
1523 | ||
6ebd2547 TS |
1524 | build_id_path = strdup(filename); |
1525 | if (!build_id_path) | |
1526 | return -1; | |
1527 | ||
3619ef76 NK |
1528 | /* |
1529 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1530 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1531 | * extract the build-id part of dirname in the new style only. | |
1532 | */ | |
1533 | pos = strrchr(build_id_path, '/'); | |
1534 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1535 | dirname(build_id_path); | |
6ebd2547 | 1536 | |
3caee094 | 1537 | if (dso__is_kcore(dso) || |
6ebd2547 | 1538 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1539 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1540 | access(filename, R_OK)) { | |
78f7defe ACM |
1541 | fallback: |
1542 | /* | |
1543 | * If we don't have build-ids or the build-id file isn't in the | |
1544 | * cache, or is just a kallsyms file, well, lets hope that this | |
1545 | * DSO is the same as when 'perf record' ran. | |
1546 | */ | |
05ed3ac9 | 1547 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1548 | } |
1549 | ||
6ebd2547 | 1550 | free(build_id_path); |
05ed3ac9 ACM |
1551 | return 0; |
1552 | } | |
1553 | ||
1a04db70 | 1554 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1555 | { |
85a84e4f | 1556 | struct map *map = args->ms.map; |
05ed3ac9 | 1557 | struct dso *dso = map->dso; |
6810158d | 1558 | char *command; |
05ed3ac9 ACM |
1559 | FILE *file; |
1560 | char symfs_filename[PATH_MAX]; | |
1561 | struct kcore_extract kce; | |
1562 | bool delete_extract = false; | |
1563 | int stdout_fd[2]; | |
1564 | int lineno = 0; | |
1565 | int nline; | |
1566 | pid_t pid; | |
1567 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1568 | ||
1569 | if (err) | |
1570 | return err; | |
1571 | ||
78f7defe | 1572 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1573 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1574 | map->unmap_ip(map, sym->end)); |
1575 | ||
78f7defe ACM |
1576 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1577 | dso, dso->long_name, sym, sym->name); | |
1578 | ||
afba19d9 AH |
1579 | if (dso__is_kcore(dso)) { |
1580 | kce.kcore_filename = symfs_filename; | |
1581 | kce.addr = map__rip_2objdump(map, sym->start); | |
1582 | kce.offs = sym->start; | |
2c241bd3 | 1583 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1584 | if (!kcore_extract__create(&kce)) { |
1585 | delete_extract = true; | |
1586 | strlcpy(symfs_filename, kce.extract_filename, | |
1587 | sizeof(symfs_filename)); | |
afba19d9 | 1588 | } |
2c7da8c5 | 1589 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1590 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1591 | |
3c84fd53 NK |
1592 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1593 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1594 | goto out; |
2c7da8c5 JO |
1595 | |
1596 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1597 | } |
1598 | ||
6810158d | 1599 | err = asprintf(&command, |
7a4ec938 | 1600 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1601 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1602 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1603 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1604 | disassembler_style ? "-M " : "", |
1605 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1606 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1607 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1608 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1609 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1610 | symfs_filename, symfs_filename); |
78f7defe | 1611 | |
6810158d ACM |
1612 | if (err < 0) { |
1613 | pr_err("Failure allocating memory for the command to run\n"); | |
1614 | goto out_remove_tmp; | |
1615 | } | |
1616 | ||
78f7defe ACM |
1617 | pr_debug("Executing: %s\n", command); |
1618 | ||
9955d0be ACM |
1619 | err = -1; |
1620 | if (pipe(stdout_fd) < 0) { | |
1621 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1622 | goto out_free_command; |
9955d0be ACM |
1623 | } |
1624 | ||
1625 | pid = fork(); | |
1626 | if (pid < 0) { | |
1627 | pr_err("Failure forking to run %s\n", command); | |
1628 | goto out_close_stdout; | |
1629 | } | |
1630 | ||
1631 | if (pid == 0) { | |
1632 | close(stdout_fd[0]); | |
1633 | dup2(stdout_fd[1], 1); | |
1634 | close(stdout_fd[1]); | |
1635 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1636 | perror(command); | |
1637 | exit(-1); | |
1638 | } | |
1639 | ||
1640 | close(stdout_fd[1]); | |
1641 | ||
1642 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1643 | if (!file) { |
9955d0be | 1644 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1645 | /* |
1646 | * If we were using debug info should retry with | |
1647 | * original binary. | |
1648 | */ | |
6810158d | 1649 | goto out_free_command; |
62ec9b3f | 1650 | } |
78f7defe | 1651 | |
62ec9b3f AK |
1652 | nline = 0; |
1653 | while (!feof(file)) { | |
ed7b339f ACM |
1654 | /* |
1655 | * The source code line number (lineno) needs to be kept in | |
1656 | * accross calls to symbol__parse_objdump_line(), so that it | |
1657 | * can associate it with the instructions till the next one. | |
1658 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1659 | */ | |
1a04db70 | 1660 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1661 | break; |
62ec9b3f AK |
1662 | nline++; |
1663 | } | |
1664 | ||
1665 | if (nline == 0) | |
1666 | pr_err("No output from %s\n", command); | |
78f7defe | 1667 | |
484a5e74 AH |
1668 | /* |
1669 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1670 | * Remove it. | |
1671 | */ | |
1672 | if (dso__is_kcore(dso)) | |
1673 | delete_last_nop(sym); | |
1674 | ||
9955d0be ACM |
1675 | fclose(file); |
1676 | err = 0; | |
6810158d ACM |
1677 | out_free_command: |
1678 | free(command); | |
2c7da8c5 | 1679 | out_remove_tmp: |
9955d0be ACM |
1680 | close(stdout_fd[0]); |
1681 | ||
2c7da8c5 JO |
1682 | if (dso__needs_decompress(dso)) |
1683 | unlink(symfs_filename); | |
3caee094 | 1684 | |
afba19d9 AH |
1685 | if (delete_extract) |
1686 | kcore_extract__delete(&kce); | |
c12944f7 | 1687 | out: |
78f7defe | 1688 | return err; |
9955d0be ACM |
1689 | |
1690 | out_close_stdout: | |
1691 | close(stdout_fd[1]); | |
6810158d | 1692 | goto out_free_command; |
78f7defe ACM |
1693 | } |
1694 | ||
073ae601 JO |
1695 | static void calc_percent(struct sym_hist *hist, |
1696 | struct annotation_data *sample, | |
1697 | s64 offset, s64 end) | |
1698 | { | |
1699 | unsigned int hits = 0; | |
1700 | u64 period = 0; | |
1701 | ||
1702 | while (offset < end) { | |
1703 | hits += hist->addr[offset].nr_samples; | |
1704 | period += hist->addr[offset].period; | |
1705 | ++offset; | |
1706 | } | |
1707 | ||
1708 | if (hist->nr_samples) { | |
1709 | sample->he.period = period; | |
1710 | sample->he.nr_samples = hits; | |
1711 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1712 | } | |
1713 | } | |
1714 | ||
9e4e0a9d JO |
1715 | static void annotation__calc_percent(struct annotation *notes, |
1716 | struct perf_evsel *evsel, s64 len) | |
073ae601 JO |
1717 | { |
1718 | struct annotation_line *al, *next; | |
1719 | ||
1720 | list_for_each_entry(al, ¬es->src->source, node) { | |
1721 | s64 end; | |
1722 | int i; | |
1723 | ||
1724 | if (al->offset == -1) | |
1725 | continue; | |
1726 | ||
1727 | next = annotation_line__next(al, ¬es->src->source); | |
1728 | end = next ? next->offset : len; | |
1729 | ||
1730 | for (i = 0; i < al->samples_nr; i++) { | |
1731 | struct annotation_data *sample; | |
1732 | struct sym_hist *hist; | |
1733 | ||
1734 | hist = annotation__histogram(notes, evsel->idx + i); | |
1735 | sample = &al->samples[i]; | |
1736 | ||
1737 | calc_percent(hist, sample, al->offset, end); | |
1738 | } | |
1739 | } | |
073ae601 JO |
1740 | } |
1741 | ||
9e4e0a9d | 1742 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1743 | { |
1744 | struct annotation *notes = symbol__annotation(sym); | |
1745 | ||
9e4e0a9d | 1746 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1747 | } |
1748 | ||
c34df25b | 1749 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1750 | struct perf_evsel *evsel, size_t privsize, |
5449f13c | 1751 | struct arch **parch) |
c34df25b | 1752 | { |
ea07c5aa JO |
1753 | struct annotate_args args = { |
1754 | .privsize = privsize, | |
d03a686e | 1755 | .evsel = evsel, |
ea07c5aa | 1756 | }; |
5449f13c | 1757 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1758 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1759 | struct arch *arch; |
1760 | int err; | |
1761 | ||
c34df25b JO |
1762 | if (!arch_name) |
1763 | return -1; | |
1764 | ||
24fe7b88 | 1765 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1766 | if (arch == NULL) |
1767 | return -ENOTSUP; | |
1768 | ||
1769 | if (parch) | |
1770 | *parch = arch; | |
1771 | ||
1772 | if (arch->init) { | |
5449f13c | 1773 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1774 | if (err) { |
1775 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1776 | return err; | |
1777 | } | |
1778 | } | |
1779 | ||
85a84e4f ACM |
1780 | args.ms.map = map; |
1781 | args.ms.sym = sym; | |
1782 | ||
05d3f1a1 | 1783 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1784 | } |
1785 | ||
8b4c74dc | 1786 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1787 | { |
8b4c74dc | 1788 | struct annotation_line *iter; |
78f7defe ACM |
1789 | struct rb_node **p = &root->rb_node; |
1790 | struct rb_node *parent = NULL; | |
1491c22a | 1791 | int i, ret; |
78f7defe ACM |
1792 | |
1793 | while (*p != NULL) { | |
1794 | parent = *p; | |
8b4c74dc | 1795 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1796 | |
8b4c74dc | 1797 | ret = strcmp(iter->path, al->path); |
41127965 | 1798 | if (ret == 0) { |
8b4c74dc JO |
1799 | for (i = 0; i < al->samples_nr; i++) |
1800 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1801 | return; |
1802 | } | |
1803 | ||
1804 | if (ret < 0) | |
1805 | p = &(*p)->rb_left; | |
1806 | else | |
1807 | p = &(*p)->rb_right; | |
1808 | } | |
1809 | ||
8b4c74dc JO |
1810 | for (i = 0; i < al->samples_nr; i++) |
1811 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1812 | |
8b4c74dc JO |
1813 | rb_link_node(&al->rb_node, parent, p); |
1814 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1815 | } |
1816 | ||
8b4c74dc | 1817 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1818 | { |
1819 | int i; | |
1820 | ||
8b4c74dc | 1821 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1822 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1823 | continue; |
276af92f | 1824 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1825 | } |
1826 | ||
1827 | return 0; | |
1828 | } | |
1829 | ||
8b4c74dc | 1830 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1831 | { |
8b4c74dc | 1832 | struct annotation_line *iter; |
41127965 NK |
1833 | struct rb_node **p = &root->rb_node; |
1834 | struct rb_node *parent = NULL; | |
1835 | ||
1836 | while (*p != NULL) { | |
1837 | parent = *p; | |
8b4c74dc | 1838 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1839 | |
8b4c74dc | 1840 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1841 | p = &(*p)->rb_left; |
1842 | else | |
1843 | p = &(*p)->rb_right; | |
1844 | } | |
1845 | ||
8b4c74dc JO |
1846 | rb_link_node(&al->rb_node, parent, p); |
1847 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1848 | } |
1849 | ||
41127965 NK |
1850 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1851 | { | |
8b4c74dc | 1852 | struct annotation_line *al; |
41127965 NK |
1853 | struct rb_node *node; |
1854 | ||
1855 | node = rb_first(src_root); | |
1856 | while (node) { | |
1857 | struct rb_node *next; | |
1858 | ||
8b4c74dc | 1859 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1860 | next = rb_next(node); |
1861 | rb_erase(node, src_root); | |
1862 | ||
8b4c74dc | 1863 | __resort_source_line(dest_root, al); |
41127965 NK |
1864 | node = next; |
1865 | } | |
1866 | } | |
1867 | ||
78f7defe ACM |
1868 | static void print_summary(struct rb_root *root, const char *filename) |
1869 | { | |
8b4c74dc | 1870 | struct annotation_line *al; |
78f7defe ACM |
1871 | struct rb_node *node; |
1872 | ||
1873 | printf("\nSorted summary for file %s\n", filename); | |
1874 | printf("----------------------------------------------\n\n"); | |
1875 | ||
1876 | if (RB_EMPTY_ROOT(root)) { | |
1877 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1878 | return; | |
1879 | } | |
1880 | ||
1881 | node = rb_first(root); | |
1882 | while (node) { | |
1491c22a | 1883 | double percent, percent_max = 0.0; |
78f7defe ACM |
1884 | const char *color; |
1885 | char *path; | |
1491c22a | 1886 | int i; |
78f7defe | 1887 | |
8b4c74dc JO |
1888 | al = rb_entry(node, struct annotation_line, rb_node); |
1889 | for (i = 0; i < al->samples_nr; i++) { | |
1890 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1891 | color = get_percent_color(percent); |
1892 | color_fprintf(stdout, color, " %7.2f", percent); | |
1893 | ||
1894 | if (percent > percent_max) | |
1895 | percent_max = percent; | |
1896 | } | |
1897 | ||
8b4c74dc | 1898 | path = al->path; |
1491c22a | 1899 | color = get_percent_color(percent_max); |
f048d548 | 1900 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1901 | |
78f7defe ACM |
1902 | node = rb_next(node); |
1903 | } | |
1904 | } | |
1905 | ||
db8fd07a | 1906 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1907 | { |
1908 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1909 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1910 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1911 | |
1912 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1913 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1914 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1915 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1916 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1917 | } |
1918 | ||
f48e7c40 JO |
1919 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
1920 | { | |
1921 | char bf[32]; | |
1922 | struct annotation_line *line; | |
1923 | ||
1924 | list_for_each_entry_reverse(line, lines, node) { | |
1925 | if (line->offset != -1) | |
1926 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
1927 | } | |
1928 | ||
1929 | return 0; | |
1930 | } | |
1931 | ||
db8fd07a NK |
1932 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1933 | struct perf_evsel *evsel, bool full_paths, | |
1934 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1935 | { |
1936 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1937 | char *filename; |
1938 | const char *d_filename; | |
9cdbadce | 1939 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1940 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1941 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 1942 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 1943 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 1944 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 1945 | int more = 0; |
78f7defe | 1946 | u64 len; |
ce9ee4a2 | 1947 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 1948 | int graph_dotted_len; |
78f7defe | 1949 | |
bfd14b9a DA |
1950 | filename = strdup(dso->long_name); |
1951 | if (!filename) | |
1952 | return -ENOMEM; | |
1953 | ||
78f7defe ACM |
1954 | if (full_paths) |
1955 | d_filename = filename; | |
1956 | else | |
1957 | d_filename = basename(filename); | |
1958 | ||
1b2e2df4 | 1959 | len = symbol__size(sym); |
b1dd4432 | 1960 | |
759ff497 | 1961 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1962 | width *= evsel->nr_members; |
78f7defe | 1963 | |
135cce1b | 1964 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
1965 | width, width, symbol_conf.show_total_period ? "Period" : |
1966 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 1967 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 1968 | |
53dd9b5f | 1969 | printf("%-*.*s----\n", |
9cdbadce | 1970 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1971 | |
bb963e16 | 1972 | if (verbose > 0) |
db8fd07a | 1973 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1974 | |
f48e7c40 JO |
1975 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
1976 | ||
8f25b819 JO |
1977 | list_for_each_entry(pos, ¬es->src->source, node) { |
1978 | int err; | |
1979 | ||
d5e3d747 ACM |
1980 | if (context && queue == NULL) { |
1981 | queue = pos; | |
1982 | queue_len = 0; | |
1983 | } | |
1984 | ||
8f25b819 JO |
1985 | err = annotation_line__print(pos, sym, start, evsel, len, |
1986 | min_pcnt, printed, max_lines, | |
f48e7c40 | 1987 | queue, addr_fmt_width); |
8f25b819 JO |
1988 | |
1989 | switch (err) { | |
36532461 ACM |
1990 | case 0: |
1991 | ++printed; | |
d5e3d747 ACM |
1992 | if (context) { |
1993 | printed += queue_len; | |
1994 | queue = NULL; | |
1995 | queue_len = 0; | |
1996 | } | |
36532461 ACM |
1997 | break; |
1998 | case 1: | |
1999 | /* filtered by max_lines */ | |
2000 | ++more; | |
d040bd36 | 2001 | break; |
36532461 ACM |
2002 | case -1: |
2003 | default: | |
d5e3d747 ACM |
2004 | /* |
2005 | * Filtered by min_pcnt or non IP lines when | |
2006 | * context != 0 | |
2007 | */ | |
2008 | if (!context) | |
2009 | break; | |
2010 | if (queue_len == context) | |
8f25b819 | 2011 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2012 | else |
2013 | ++queue_len; | |
36532461 ACM |
2014 | break; |
2015 | } | |
2016 | } | |
2017 | ||
bfd14b9a DA |
2018 | free(filename); |
2019 | ||
36532461 ACM |
2020 | return more; |
2021 | } | |
f1e2701d | 2022 | |
befd2a38 ACM |
2023 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2024 | double percent __maybe_unused, | |
2025 | bool current __maybe_unused) | |
2026 | { | |
2027 | } | |
2028 | ||
2029 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2030 | int nr __maybe_unused, bool current __maybe_unused) | |
2031 | { | |
2032 | return 0; | |
2033 | } | |
2034 | ||
2035 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2036 | { | |
2037 | return 0; | |
2038 | } | |
2039 | ||
2040 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2041 | { | |
2042 | va_list args; | |
2043 | ||
2044 | va_start(args, fmt); | |
2045 | vfprintf(fp, fmt, args); | |
2046 | va_end(args); | |
2047 | } | |
2048 | ||
2049 | static void FILE__write_graph(void *fp, int graph) | |
2050 | { | |
2051 | const char *s; | |
2052 | switch (graph) { | |
2053 | ||
2054 | case DARROW_CHAR: s = "↓"; break; | |
2055 | case UARROW_CHAR: s = "↑"; break; | |
2056 | case LARROW_CHAR: s = "←"; break; | |
2057 | case RARROW_CHAR: s = "→"; break; | |
2058 | default: s = "?"; break; | |
2059 | } | |
2060 | ||
2061 | fputs(s, fp); | |
2062 | } | |
2063 | ||
2064 | int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp) | |
2065 | { | |
2066 | struct annotation *notes = symbol__annotation(sym); | |
2067 | struct annotation_write_ops ops = { | |
2068 | .first_line = true, | |
2069 | .obj = fp, | |
2070 | .set_color = FILE__set_color, | |
2071 | .set_percent_color = FILE__set_percent_color, | |
2072 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2073 | .printf = FILE__printf, | |
2074 | .write_graph = FILE__write_graph, | |
2075 | }; | |
2076 | struct annotation_line *al; | |
2077 | ||
2078 | list_for_each_entry(al, ¬es->src->source, node) { | |
2079 | if (annotation_line__filter(al, notes)) | |
2080 | continue; | |
2081 | annotation_line__write(al, notes, &ops); | |
2082 | fputc('\n', fp); | |
2083 | ops.first_line = false; | |
2084 | } | |
2085 | ||
2086 | return 0; | |
2087 | } | |
2088 | ||
d9bd7665 ACM |
2089 | int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel) |
2090 | { | |
2091 | const char *ev_name = perf_evsel__name(evsel); | |
2092 | char buf[1024]; | |
2093 | char *filename; | |
2094 | int err = -1; | |
2095 | FILE *fp; | |
2096 | ||
2097 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2098 | return -1; | |
2099 | ||
2100 | fp = fopen(filename, "w"); | |
2101 | if (fp == NULL) | |
2102 | goto out_free_filename; | |
2103 | ||
2104 | if (perf_evsel__is_group_event(evsel)) { | |
2105 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2106 | ev_name = buf; | |
2107 | } | |
2108 | ||
2109 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2110 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
2111 | symbol__annotate_fprintf2(ms->sym, fp); | |
2112 | ||
2113 | fclose(fp); | |
2114 | err = 0; | |
2115 | out_free_filename: | |
2116 | free(filename); | |
2117 | return err; | |
2118 | } | |
2119 | ||
36532461 ACM |
2120 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2121 | { | |
2122 | struct annotation *notes = symbol__annotation(sym); | |
2123 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2124 | ||
ce6f4fab | 2125 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2126 | } |
2127 | ||
ce6f4fab | 2128 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2129 | { |
2130 | struct annotation *notes = symbol__annotation(sym); | |
2131 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2132 | int len = symbol__size(sym), offset; |
36532461 | 2133 | |
8158683d | 2134 | h->nr_samples = 0; |
8b84a568 | 2135 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2136 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2137 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2138 | } |
2139 | } | |
2140 | ||
f8eb37bd | 2141 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2142 | { |
f8eb37bd | 2143 | struct annotation_line *al, *n; |
f1e2701d | 2144 | |
f8eb37bd JO |
2145 | list_for_each_entry_safe(al, n, &as->source, node) { |
2146 | list_del(&al->node); | |
2147 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
2148 | } |
2149 | } | |
2150 | ||
5145418b ACM |
2151 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2152 | { | |
2153 | size_t printed; | |
2154 | ||
d5490b96 JO |
2155 | if (dl->al.offset == -1) |
2156 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2157 | |
d5490b96 | 2158 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2159 | |
c7e6ead7 | 2160 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2161 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2162 | dl->ops.raw); |
5145418b ACM |
2163 | } |
2164 | ||
2165 | return printed + fprintf(fp, "\n"); | |
2166 | } | |
2167 | ||
2168 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2169 | { | |
2170 | struct disasm_line *pos; | |
2171 | size_t printed = 0; | |
2172 | ||
a17c4ca0 | 2173 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2174 | printed += disasm_line__fprintf(pos, fp); |
2175 | ||
2176 | return printed; | |
2177 | } | |
2178 | ||
2eff0611 | 2179 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2180 | { |
2181 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2182 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2183 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2184 | return false; | |
2185 | ||
2186 | return true; | |
2187 | } | |
2188 | ||
2189 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2190 | { | |
2191 | u64 offset, size = symbol__size(sym); | |
2192 | ||
2193 | /* PLT symbols contain external offsets */ | |
2194 | if (strstr(sym->name, "@plt")) | |
2195 | return; | |
2196 | ||
2197 | for (offset = 0; offset < size; ++offset) { | |
2198 | struct annotation_line *al = notes->offsets[offset]; | |
2199 | struct disasm_line *dl; | |
2200 | ||
2201 | dl = disasm_line(al); | |
2202 | ||
2eff0611 | 2203 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2204 | continue; |
2205 | ||
2206 | al = notes->offsets[dl->ops.target.offset]; | |
2207 | ||
2208 | /* | |
2209 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2210 | * have to adjust to the previous offset? | |
2211 | */ | |
2212 | if (al == NULL) | |
2213 | continue; | |
2214 | ||
2215 | if (++al->jump_sources > notes->max_jump_sources) | |
2216 | notes->max_jump_sources = al->jump_sources; | |
2217 | ||
2218 | ++notes->nr_jumps; | |
2219 | } | |
2220 | } | |
2221 | ||
5bc49f61 ACM |
2222 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2223 | { | |
2224 | struct annotation_line *al; | |
2225 | ||
2226 | notes->max_line_len = 0; | |
2227 | ||
2228 | list_for_each_entry(al, ¬es->src->source, node) { | |
2229 | size_t line_len = strlen(al->line); | |
2230 | ||
2231 | if (notes->max_line_len < line_len) | |
2232 | notes->max_line_len = line_len; | |
2233 | al->idx = notes->nr_entries++; | |
2234 | if (al->offset != -1) { | |
2235 | al->idx_asm = notes->nr_asm_entries++; | |
2236 | /* | |
2237 | * FIXME: short term bandaid to cope with assembly | |
2238 | * routines that comes with labels in the same column | |
2239 | * as the address in objdump, sigh. | |
2240 | * | |
2241 | * E.g. copy_user_generic_unrolled | |
2242 | */ | |
2243 | if (al->offset < size) | |
2244 | notes->offsets[al->offset] = al; | |
2245 | } else | |
2246 | al->idx_asm = -1; | |
2247 | } | |
2248 | } | |
2249 | ||
b8b0d819 ACM |
2250 | static inline int width_jumps(int n) |
2251 | { | |
2252 | if (n >= 100) | |
2253 | return 5; | |
2254 | if (n / 10) | |
2255 | return 2; | |
2256 | return 1; | |
2257 | } | |
2258 | ||
2259 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) | |
2260 | { | |
2261 | notes->widths.addr = notes->widths.target = | |
2262 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2263 | notes->widths.max_addr = hex_width(sym->end); | |
2264 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
2265 | } | |
2266 | ||
7232bf7a ACM |
2267 | void annotation__update_column_widths(struct annotation *notes) |
2268 | { | |
2269 | if (notes->options->use_offset) | |
2270 | notes->widths.target = notes->widths.min_addr; | |
2271 | else | |
2272 | notes->widths.target = notes->widths.max_addr; | |
2273 | ||
2274 | notes->widths.addr = notes->widths.target; | |
2275 | ||
2276 | if (notes->options->show_nr_jumps) | |
2277 | notes->widths.addr += notes->widths.jumps + 1; | |
2278 | } | |
2279 | ||
8b4c74dc | 2280 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
425859ff | 2281 | struct rb_root *root) |
8b4c74dc JO |
2282 | { |
2283 | struct annotation_line *al; | |
2284 | struct rb_root tmp_root = RB_ROOT; | |
2285 | ||
2286 | list_for_each_entry(al, ¬es->src->source, node) { | |
2287 | double percent_max = 0.0; | |
2288 | int i; | |
2289 | ||
2290 | for (i = 0; i < al->samples_nr; i++) { | |
2291 | struct annotation_data *sample; | |
2292 | ||
2293 | sample = &al->samples[i]; | |
2294 | ||
2295 | if (sample->percent > percent_max) | |
2296 | percent_max = sample->percent; | |
2297 | } | |
2298 | ||
2299 | if (percent_max <= 0.5) | |
2300 | continue; | |
2301 | ||
425859ff ACM |
2302 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2303 | false, true, notes->start + al->offset); | |
8b4c74dc JO |
2304 | insert_source_line(&tmp_root, al); |
2305 | } | |
2306 | ||
2307 | resort_source_line(root, &tmp_root); | |
2308 | } | |
2309 | ||
2310 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
2311 | struct rb_root *root) | |
2312 | { | |
2313 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2314 | |
425859ff | 2315 | annotation__calc_lines(notes, map, root); |
8b4c74dc JO |
2316 | } |
2317 | ||
befd2a38 ACM |
2318 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
2319 | struct perf_evsel *evsel, bool print_lines, | |
2320 | bool full_paths) | |
2321 | { | |
2322 | struct dso *dso = map->dso; | |
2323 | struct rb_root source_line = RB_ROOT; | |
35632892 | 2324 | struct annotation_options opts = annotation__default_options; |
864298f2 ACM |
2325 | const char *ev_name = perf_evsel__name(evsel); |
2326 | char buf[1024]; | |
befd2a38 ACM |
2327 | |
2328 | if (symbol__annotate2(sym, map, evsel, &opts, NULL) < 0) | |
2329 | return -1; | |
2330 | ||
2331 | if (print_lines) { | |
2332 | srcline_full_filename = full_paths; | |
2333 | symbol__calc_lines(sym, map, &source_line); | |
2334 | print_summary(&source_line, dso->long_name); | |
2335 | } | |
2336 | ||
864298f2 ACM |
2337 | if (perf_evsel__is_group_event(evsel)) { |
2338 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2339 | ev_name = buf; | |
2340 | } | |
2341 | ||
2342 | fprintf(stdout, "%s() %s\nEvent: %s\n\n", sym->name, dso->long_name, ev_name); | |
befd2a38 ACM |
2343 | symbol__annotate_fprintf2(sym, stdout); |
2344 | ||
2345 | annotated_source__purge(symbol__annotation(sym)->src); | |
2346 | ||
2347 | return 0; | |
2348 | } | |
2349 | ||
db8fd07a NK |
2350 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
2351 | struct perf_evsel *evsel, bool print_lines, | |
2352 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
2353 | { |
2354 | struct dso *dso = map->dso; | |
f1e2701d | 2355 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2356 | |
5449f13c | 2357 | if (symbol__annotate(sym, map, evsel, 0, NULL) < 0) |
f1e2701d ACM |
2358 | return -1; |
2359 | ||
05d3f1a1 JO |
2360 | symbol__calc_percent(sym, evsel); |
2361 | ||
f1e2701d | 2362 | if (print_lines) { |
4a4c03c1 | 2363 | srcline_full_filename = full_paths; |
8b4c74dc | 2364 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 2365 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2366 | } |
2367 | ||
db8fd07a | 2368 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 2369 | min_pcnt, max_lines, 0); |
78f7defe | 2370 | |
f8eb37bd | 2371 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2372 | |
78f7defe ACM |
2373 | return 0; |
2374 | } | |
f626adff | 2375 | |
48c65bda NK |
2376 | bool ui__has_annotation(void) |
2377 | { | |
2e0453af | 2378 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2379 | } |
ecda45bd | 2380 | |
2f025ea0 ACM |
2381 | |
2382 | double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes) | |
2383 | { | |
2384 | double percent_max = 0.0; | |
2385 | int i; | |
2386 | ||
2387 | for (i = 0; i < notes->nr_events; i++) { | |
2388 | if (al->samples[i].percent > percent_max) | |
2389 | percent_max = al->samples[i].percent; | |
2390 | } | |
2391 | ||
2392 | return percent_max; | |
2393 | } | |
2394 | ||
a1e9b74c ACM |
2395 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2396 | void *obj, char *bf, size_t size, | |
2397 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2398 | void (*obj__write_graph)(void *obj, int graph)) | |
2399 | { | |
2400 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2401 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2402 | bool fwd; |
a1e9b74c | 2403 | |
751b1783 ACM |
2404 | if (dl->ops.target.outside) |
2405 | goto call_like; | |
2406 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2407 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2408 | obj__printf(obj, " "); | |
2409 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2410 | call_like: |
a1e9b74c ACM |
2411 | obj__write_graph(obj, RARROW_CHAR); |
2412 | obj__printf(obj, " "); | |
2413 | } else if (ins__is_ret(&dl->ins)) { | |
2414 | obj__write_graph(obj, LARROW_CHAR); | |
2415 | obj__printf(obj, " "); | |
2416 | } else { | |
2417 | obj__printf(obj, " "); | |
2418 | } | |
2419 | } else { | |
2420 | obj__printf(obj, " "); | |
2421 | } | |
2422 | ||
2423 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); | |
2424 | } | |
2425 | ||
c298304b ACM |
2426 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2427 | bool first_line, bool current_entry, bool change_color, int width, | |
2428 | void *obj, | |
2429 | int (*obj__set_color)(void *obj, int color), | |
2430 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2431 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2432 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2433 | void (*obj__write_graph)(void *obj, int graph)) | |
2434 | ||
2ba5eca1 ACM |
2435 | { |
2436 | double percent_max = annotation_line__max_percent(al, notes); | |
a1e9b74c ACM |
2437 | int pcnt_width = annotation__pcnt_width(notes), |
2438 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2439 | bool show_title = false; |
a1e9b74c ACM |
2440 | char bf[256]; |
2441 | int printed; | |
2ba5eca1 ACM |
2442 | |
2443 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2444 | if (notes->have_cycles) { | |
2445 | if (al->ipc == 0.0 && al->cycles == 0) | |
2446 | show_title = true; | |
2447 | } else | |
2448 | show_title = true; | |
2449 | } | |
2450 | ||
2ba5eca1 ACM |
2451 | if (al->offset != -1 && percent_max != 0.0) { |
2452 | int i; | |
2453 | ||
2454 | for (i = 0; i < notes->nr_events; i++) { | |
2455 | obj__set_percent_color(obj, al->samples[i].percent, current_entry); | |
2456 | if (notes->options->show_total_period) { | |
2457 | obj__printf(obj, "%11" PRIu64 " ", al->samples[i].he.period); | |
2458 | } else if (notes->options->show_nr_samples) { | |
2459 | obj__printf(obj, "%6" PRIu64 " ", | |
2460 | al->samples[i].he.nr_samples); | |
2461 | } else { | |
2462 | obj__printf(obj, "%6.2f ", | |
2463 | al->samples[i].percent); | |
2464 | } | |
2465 | } | |
2466 | } else { | |
2ba5eca1 ACM |
2467 | obj__set_percent_color(obj, 0, current_entry); |
2468 | ||
2469 | if (!show_title) | |
a1e9b74c | 2470 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2471 | else { |
a1e9b74c | 2472 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2473 | notes->options->show_total_period ? "Period" : |
2474 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2475 | } | |
2476 | } | |
2477 | ||
2478 | if (notes->have_cycles) { | |
2479 | if (al->ipc) | |
2480 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2481 | else if (!show_title) | |
2482 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2483 | else | |
2484 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2485 | ||
2486 | if (al->cycles) | |
2487 | obj__printf(obj, "%*" PRIu64 " ", | |
2488 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); | |
2489 | else if (!show_title) | |
2490 | obj__printf(obj, "%*s", ANNOTATION__CYCLES_WIDTH, " "); | |
2491 | else | |
2492 | obj__printf(obj, "%*s ", ANNOTATION__CYCLES_WIDTH - 1, "Cycle"); | |
2493 | } | |
2494 | ||
2495 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2496 | |
2497 | if (!*al->line) | |
2498 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2499 | else if (al->offset == -1) { | |
2500 | if (al->line_nr && notes->options->show_linenr) | |
2501 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2502 | else | |
2503 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2504 | obj__printf(obj, bf); | |
2505 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2506 | } else { | |
2507 | u64 addr = al->offset; | |
2508 | int color = -1; | |
2509 | ||
2510 | if (!notes->options->use_offset) | |
2511 | addr += notes->start; | |
2512 | ||
2513 | if (!notes->options->use_offset) { | |
2514 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2515 | } else { | |
2516 | if (al->jump_sources) { | |
2517 | if (notes->options->show_nr_jumps) { | |
2518 | int prev; | |
2519 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2520 | notes->widths.jumps, | |
2521 | al->jump_sources); | |
2522 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2523 | current_entry); | |
2524 | obj__printf(obj, bf); | |
2525 | obj__set_color(obj, prev); | |
2526 | } | |
2527 | ||
2528 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", | |
2529 | notes->widths.target, addr); | |
2530 | } else { | |
2531 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2532 | notes->widths.addr, " "); | |
2533 | } | |
2534 | } | |
2535 | ||
2536 | if (change_color) | |
2537 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2538 | obj__printf(obj, bf); | |
2539 | if (change_color) | |
2540 | obj__set_color(obj, color); | |
2541 | ||
2542 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2543 | ||
2544 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2545 | } | |
2546 | ||
2ba5eca1 ACM |
2547 | } |
2548 | ||
c298304b ACM |
2549 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2550 | struct annotation_write_ops *ops) | |
2551 | { | |
2552 | __annotation_line__write(al, notes, ops->first_line, ops->current_entry, | |
2553 | ops->change_color, ops->width, ops->obj, | |
2554 | ops->set_color, ops->set_percent_color, | |
2555 | ops->set_jumps_percent_color, ops->printf, | |
2556 | ops->write_graph); | |
2557 | } | |
2558 | ||
ecda45bd ACM |
2559 | int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, |
2560 | struct annotation_options *options, struct arch **parch) | |
2561 | { | |
2562 | struct annotation *notes = symbol__annotation(sym); | |
2563 | size_t size = symbol__size(sym); | |
2564 | int nr_pcnt = 1, err; | |
2565 | ||
2566 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2567 | if (notes->offsets == NULL) | |
2568 | return -1; | |
2569 | ||
2570 | if (perf_evsel__is_group_event(evsel)) | |
2571 | nr_pcnt = evsel->nr_members; | |
2572 | ||
2573 | err = symbol__annotate(sym, map, evsel, 0, parch); | |
2574 | if (err) | |
2575 | goto out_free_offsets; | |
2576 | ||
2577 | notes->options = options; | |
2578 | ||
2579 | symbol__calc_percent(sym, evsel); | |
2580 | ||
2581 | notes->start = map__rip_2objdump(map, sym->start); | |
2582 | ||
2583 | annotation__set_offsets(notes, size); | |
2584 | annotation__mark_jump_targets(notes, sym); | |
2585 | annotation__compute_ipc(notes, size); | |
2586 | annotation__init_column_widths(notes, sym); | |
2587 | notes->nr_events = nr_pcnt; | |
2588 | ||
2589 | annotation__update_column_widths(notes); | |
2590 | ||
2591 | return 0; | |
2592 | ||
2593 | out_free_offsets: | |
2594 | zfree(¬es->offsets); | |
2595 | return -1; | |
2596 | } | |
7f0b6fde ACM |
2597 | |
2598 | #define ANNOTATION__CFG(n) \ | |
2599 | { .name = #n, .value = &annotation__default_options.n, } | |
2600 | ||
2601 | /* | |
2602 | * Keep the entries sorted, they are bsearch'ed | |
2603 | */ | |
2604 | static struct annotation_config { | |
2605 | const char *name; | |
2606 | bool *value; | |
2607 | } annotation__configs[] = { | |
2608 | ANNOTATION__CFG(hide_src_code), | |
2609 | ANNOTATION__CFG(jump_arrows), | |
2610 | ANNOTATION__CFG(show_linenr), | |
2611 | ANNOTATION__CFG(show_nr_jumps), | |
2612 | ANNOTATION__CFG(show_nr_samples), | |
2613 | ANNOTATION__CFG(show_total_period), | |
2614 | ANNOTATION__CFG(use_offset), | |
2615 | }; | |
2616 | ||
2617 | #undef ANNOTATION__CFG | |
2618 | ||
2619 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
2620 | { | |
2621 | const struct annotation_config *cfg = cfgp; | |
2622 | ||
2623 | return strcmp(name, cfg->name); | |
2624 | } | |
2625 | ||
2626 | static int annotation__config(const char *var, const char *value, | |
2627 | void *data __maybe_unused) | |
2628 | { | |
2629 | struct annotation_config *cfg; | |
2630 | const char *name; | |
2631 | ||
2632 | if (!strstarts(var, "annotate.")) | |
2633 | return 0; | |
2634 | ||
2635 | name = var + 9; | |
2636 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
2637 | sizeof(struct annotation_config), annotation_config__cmp); | |
2638 | ||
2639 | if (cfg == NULL) | |
2640 | pr_debug("%s variable unknown, ignoring...", var); | |
2641 | else | |
2642 | *cfg->value = perf_config_bool(name, value); | |
2643 | return 0; | |
2644 | } | |
2645 | ||
2646 | void annotation_config__init(void) | |
2647 | { | |
2648 | perf_config(annotation__config, NULL); | |
2649 | ||
2650 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
2651 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
2652 | } |