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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" | |
b213eac2 | 20 | #include "units.h" |
78f7defe ACM |
21 | #include "debug.h" |
22 | #include "annotate.h" | |
db8fd07a | 23 | #include "evsel.h" |
0693f758 | 24 | #include "evlist.h" |
70fbe057 | 25 | #include "block-range.h" |
a067558e | 26 | #include "string2.h" |
786c1b51 | 27 | #include "arch/common.h" |
e592488c | 28 | #include <regex.h> |
ce6f4fab | 29 | #include <pthread.h> |
4383db88 | 30 | #include <linux/bitops.h> |
877a7a11 | 31 | #include <linux/kernel.h> |
78f7defe | 32 | |
a1e9b74c ACM |
33 | /* FIXME: For the HE_COLORSET */ |
34 | #include "ui/browser.h" | |
35 | ||
36 | /* | |
37 | * FIXME: Using the same values as slang.h, | |
38 | * but that header may not be available everywhere | |
39 | */ | |
c298304b ACM |
40 | #define LARROW_CHAR ((unsigned char)',') |
41 | #define RARROW_CHAR ((unsigned char)'+') | |
42 | #define DARROW_CHAR ((unsigned char)'.') | |
43 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 44 | |
3d689ed6 ACM |
45 | #include "sane_ctype.h" |
46 | ||
7f0b6fde ACM |
47 | struct annotation_options annotation__default_options = { |
48 | .use_offset = true, | |
49 | .jump_arrows = true, | |
592c10e2 | 50 | .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, |
7f0b6fde ACM |
51 | }; |
52 | ||
f69b64f7 | 53 | const char *disassembler_style; |
7a4ec938 | 54 | const char *objdump_path; |
e592488c | 55 | static regex_t file_lineno; |
f69b64f7 | 56 | |
75b49202 | 57 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 58 | static void ins__sort(struct arch *arch); |
75b49202 | 59 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 60 | |
786c1b51 ACM |
61 | struct arch { |
62 | const char *name; | |
763d8960 ACM |
63 | struct ins *instructions; |
64 | size_t nr_instructions; | |
2a1ff812 ACM |
65 | size_t nr_instructions_allocated; |
66 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 67 | bool sorted_instructions; |
0781ea92 ACM |
68 | bool initialized; |
69 | void *priv; | |
69fb09f6 JY |
70 | unsigned int model; |
71 | unsigned int family; | |
696e2457 | 72 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
73 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
74 | const char *ins2); | |
786c1b51 ACM |
75 | struct { |
76 | char comment_char; | |
9c2fb451 | 77 | char skip_functions_char; |
786c1b51 ACM |
78 | } objdump; |
79 | }; | |
80 | ||
763d8960 ACM |
81 | static struct ins_ops call_ops; |
82 | static struct ins_ops dec_ops; | |
83 | static struct ins_ops jump_ops; | |
84 | static struct ins_ops mov_ops; | |
85 | static struct ins_ops nop_ops; | |
86 | static struct ins_ops lock_ops; | |
87 | static struct ins_ops ret_ops; | |
88 | ||
2a1ff812 ACM |
89 | static int arch__grow_instructions(struct arch *arch) |
90 | { | |
91 | struct ins *new_instructions; | |
92 | size_t new_nr_allocated; | |
93 | ||
94 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
95 | goto grow_from_non_allocated_table; | |
96 | ||
97 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
98 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
99 | if (new_instructions == NULL) | |
100 | return -1; | |
101 | ||
102 | out_update_instructions: | |
103 | arch->instructions = new_instructions; | |
104 | arch->nr_instructions_allocated = new_nr_allocated; | |
105 | return 0; | |
106 | ||
107 | grow_from_non_allocated_table: | |
108 | new_nr_allocated = arch->nr_instructions + 128; | |
109 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
110 | if (new_instructions == NULL) | |
111 | return -1; | |
112 | ||
113 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
114 | goto out_update_instructions; | |
115 | } | |
116 | ||
acc9bfb5 | 117 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
118 | { |
119 | struct ins *ins; | |
120 | ||
121 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
122 | arch__grow_instructions(arch)) | |
123 | return -1; | |
124 | ||
125 | ins = &arch->instructions[arch->nr_instructions]; | |
126 | ins->name = strdup(name); | |
127 | if (!ins->name) | |
128 | return -1; | |
129 | ||
130 | ins->ops = ops; | |
131 | arch->nr_instructions++; | |
132 | ||
133 | ins__sort(arch); | |
134 | return 0; | |
135 | } | |
136 | ||
763d8960 | 137 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 138 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 139 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 140 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 141 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 142 | |
786c1b51 ACM |
143 | static struct arch architectures[] = { |
144 | { | |
145 | .name = "arm", | |
acc9bfb5 | 146 | .init = arm__annotate_init, |
786c1b51 | 147 | }, |
0fcb1da4 KP |
148 | { |
149 | .name = "arm64", | |
150 | .init = arm64__annotate_init, | |
151 | }, | |
786c1b51 ACM |
152 | { |
153 | .name = "x86", | |
696e2457 | 154 | .init = x86__annotate_init, |
763d8960 ACM |
155 | .instructions = x86__instructions, |
156 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 157 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
158 | .objdump = { |
159 | .comment_char = '#', | |
160 | }, | |
161 | }, | |
dbdebdc5 RB |
162 | { |
163 | .name = "powerpc", | |
164 | .init = powerpc__annotate_init, | |
165 | }, | |
e77852b3 CB |
166 | { |
167 | .name = "s390", | |
d9f8dfa9 | 168 | .init = s390__annotate_init, |
e77852b3 CB |
169 | .objdump = { |
170 | .comment_char = '#', | |
171 | }, | |
172 | }, | |
786c1b51 ACM |
173 | }; |
174 | ||
c46219ac ACM |
175 | static void ins__delete(struct ins_operands *ops) |
176 | { | |
3995614d ACM |
177 | if (ops == NULL) |
178 | return; | |
74cf249d ACM |
179 | zfree(&ops->source.raw); |
180 | zfree(&ops->source.name); | |
181 | zfree(&ops->target.raw); | |
182 | zfree(&ops->target.name); | |
c46219ac ACM |
183 | } |
184 | ||
5417072b ACM |
185 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
186 | struct ins_operands *ops) | |
187 | { | |
648388ae | 188 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
189 | } |
190 | ||
191 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
192 | struct ins_operands *ops) | |
193 | { | |
194 | if (ins->ops->scnprintf) | |
195 | return ins->ops->scnprintf(ins, bf, size, ops); | |
196 | ||
197 | return ins__raw_scnprintf(ins, bf, size, ops); | |
198 | } | |
199 | ||
69fb09f6 JY |
200 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
201 | { | |
202 | if (!arch || !arch->ins_is_fused) | |
203 | return false; | |
204 | ||
205 | return arch->ins_is_fused(arch, ins1, ins2); | |
206 | } | |
207 | ||
85a84e4f | 208 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 209 | { |
d2232885 | 210 | char *endptr, *tok, *name; |
85a84e4f | 211 | struct map *map = ms->map; |
696703af ACM |
212 | struct addr_map_symbol target = { |
213 | .map = map, | |
214 | }; | |
d2232885 | 215 | |
44d1a3ed | 216 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
217 | |
218 | name = strchr(endptr, '<'); | |
219 | if (name == NULL) | |
220 | goto indirect_call; | |
221 | ||
222 | name++; | |
223 | ||
9c2fb451 ACM |
224 | if (arch->objdump.skip_functions_char && |
225 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 226 | return -1; |
cfef25b8 | 227 | |
d2232885 ACM |
228 | tok = strchr(name, '>'); |
229 | if (tok == NULL) | |
230 | return -1; | |
231 | ||
232 | *tok = '\0'; | |
44d1a3ed | 233 | ops->target.name = strdup(name); |
d2232885 ACM |
234 | *tok = '>'; |
235 | ||
696703af ACM |
236 | if (ops->target.name == NULL) |
237 | return -1; | |
238 | find_target: | |
239 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 240 | |
696703af ACM |
241 | if (map_groups__find_ams(&target) == 0 && |
242 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
243 | ops->target.sym = target.sym; | |
e8ea1561 | 244 | |
d86b0597 | 245 | return 0; |
696703af ACM |
246 | |
247 | indirect_call: | |
248 | tok = strchr(endptr, '*'); | |
249 | if (tok != NULL) | |
250 | ops->target.addr = strtoull(tok + 1, NULL, 16); | |
251 | goto find_target; | |
d86b0597 ACM |
252 | } |
253 | ||
d2232885 | 254 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 255 | struct ins_operands *ops) |
d2232885 | 256 | { |
696703af ACM |
257 | if (ops->target.sym) |
258 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 259 | |
e8ea1561 ACM |
260 | if (ops->target.addr == 0) |
261 | return ins__raw_scnprintf(ins, bf, size, ops); | |
262 | ||
4c9cb2c2 ACM |
263 | if (ops->target.name) |
264 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); | |
265 | ||
648388ae | 266 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
267 | } |
268 | ||
d86b0597 | 269 | static struct ins_ops call_ops = { |
d2232885 ACM |
270 | .parse = call__parse, |
271 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
272 | }; |
273 | ||
274 | bool ins__is_call(const struct ins *ins) | |
275 | { | |
0b58a77c | 276 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
277 | } |
278 | ||
751b1783 | 279 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms) |
4f9d0325 | 280 | { |
751b1783 ACM |
281 | struct map *map = ms->map; |
282 | struct symbol *sym = ms->sym; | |
283 | struct addr_map_symbol target = { | |
284 | .map = map, | |
285 | }; | |
3ee2eb6d | 286 | const char *c = strchr(ops->raw, ','); |
751b1783 ACM |
287 | u64 start, end; |
288 | /* | |
289 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
290 | * function: | |
291 | * | |
292 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
293 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
294 | * | |
295 | * The first is a jump to an offset inside the same function, | |
296 | * the second is to another function, i.e. that 0xa72 is an | |
297 | * offset in the cpp_named_operator2name@@base function. | |
298 | */ | |
b13bbeee KP |
299 | /* |
300 | * skip over possible up to 2 operands to get to address, e.g.: | |
301 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
302 | */ | |
303 | if (c++ != NULL) { | |
3ee2eb6d | 304 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
305 | if (!ops->target.addr) { |
306 | c = strchr(c, ','); | |
307 | if (c++ != NULL) | |
308 | ops->target.addr = strtoull(c, NULL, 16); | |
309 | } | |
310 | } else { | |
3ee2eb6d | 311 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 312 | } |
fb29fa58 | 313 | |
751b1783 ACM |
314 | target.addr = map__objdump_2mem(map, ops->target.addr); |
315 | start = map->unmap_ip(map, sym->start), | |
316 | end = map->unmap_ip(map, sym->end); | |
317 | ||
318 | ops->target.outside = target.addr < start || target.addr > end; | |
319 | ||
320 | /* | |
321 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
322 | ||
323 | cpp_named_operator2name@@Base+0xa72 | |
324 | ||
325 | * Point to a place that is after the cpp_named_operator2name | |
326 | * boundaries, i.e. in the ELF symbol table for cc1 | |
327 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
328 | * fact is much larger than that, so we seem to need a symbols__find() | |
329 | * routine that looks for >= current->start and < next_symbol->start, | |
330 | * possibly just for C++ objects? | |
331 | * | |
332 | * For now lets just make some progress by marking jumps to outside the | |
333 | * current function as call like. | |
334 | * | |
335 | * Actual navigation will come next, with further understanding of how | |
336 | * the symbol searching and disassembly should be done. | |
e4cc91b8 | 337 | */ |
751b1783 ACM |
338 | if (map_groups__find_ams(&target) == 0 && |
339 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
340 | ops->target.sym = target.sym; | |
751b1783 | 341 | |
980b68ec ACM |
342 | if (!ops->target.outside) { |
343 | ops->target.offset = target.addr - start; | |
e216874c RB |
344 | ops->target.offset_avail = true; |
345 | } else { | |
346 | ops->target.offset_avail = false; | |
347 | } | |
4f9d0325 | 348 | |
4f9d0325 ACM |
349 | return 0; |
350 | } | |
351 | ||
c7e6ead7 | 352 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 353 | struct ins_operands *ops) |
28548d78 | 354 | { |
c448234c | 355 | const char *c; |
b13bbeee | 356 | |
e216874c | 357 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
358 | return ins__raw_scnprintf(ins, bf, size, ops); |
359 | ||
e4cc91b8 ACM |
360 | if (ops->target.outside && ops->target.sym != NULL) |
361 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
362 | ||
c448234c | 363 | c = strchr(ops->raw, ','); |
b13bbeee KP |
364 | if (c != NULL) { |
365 | const char *c2 = strchr(c + 1, ','); | |
366 | ||
367 | /* check for 3-op insn */ | |
368 | if (c2 != NULL) | |
369 | c = c2; | |
370 | c++; | |
371 | ||
372 | /* mirror arch objdump's space-after-comma style */ | |
373 | if (*c == ' ') | |
374 | c++; | |
375 | } | |
376 | ||
648388ae | 377 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
378 | ins->name, c ? c - ops->raw : 0, ops->raw, |
379 | ops->target.offset); | |
28548d78 ACM |
380 | } |
381 | ||
4f9d0325 | 382 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
383 | .parse = jump__parse, |
384 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
385 | }; |
386 | ||
387 | bool ins__is_jump(const struct ins *ins) | |
388 | { | |
389 | return ins->ops == &jump_ops; | |
390 | } | |
391 | ||
6de783b6 ACM |
392 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
393 | { | |
394 | char *endptr, *name, *t; | |
395 | ||
396 | if (strstr(raw, "(%rip)") == NULL) | |
397 | return 0; | |
398 | ||
399 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
400 | if (endptr == comment) |
401 | return 0; | |
6de783b6 ACM |
402 | name = strchr(endptr, '<'); |
403 | if (name == NULL) | |
404 | return -1; | |
405 | ||
406 | name++; | |
407 | ||
408 | t = strchr(name, '>'); | |
409 | if (t == NULL) | |
410 | return 0; | |
411 | ||
412 | *t = '\0'; | |
413 | *namep = strdup(name); | |
414 | *t = '>'; | |
415 | ||
416 | return 0; | |
417 | } | |
418 | ||
85a84e4f | 419 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 420 | { |
7a997fe4 ACM |
421 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
422 | if (ops->locked.ops == NULL) | |
423 | return 0; | |
424 | ||
75b49202 | 425 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
426 | goto out_free_ops; |
427 | ||
75b49202 | 428 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 429 | |
75b49202 | 430 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 431 | goto out_free_ops; |
7a997fe4 | 432 | |
75b49202 | 433 | if (ops->locked.ins.ops->parse && |
85a84e4f | 434 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 435 | goto out_free_ops; |
7a997fe4 ACM |
436 | |
437 | return 0; | |
438 | ||
439 | out_free_ops: | |
04662523 | 440 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
441 | return 0; |
442 | } | |
443 | ||
444 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
445 | struct ins_operands *ops) | |
446 | { | |
447 | int printed; | |
448 | ||
75b49202 | 449 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
450 | return ins__raw_scnprintf(ins, bf, size, ops); |
451 | ||
648388ae | 452 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 453 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
454 | size - printed, ops->locked.ops); |
455 | } | |
456 | ||
c46219ac ACM |
457 | static void lock__delete(struct ins_operands *ops) |
458 | { | |
75b49202 | 459 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 460 | |
75b49202 | 461 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
462 | ins->ops->free(ops->locked.ops); |
463 | else | |
464 | ins__delete(ops->locked.ops); | |
465 | ||
74cf249d ACM |
466 | zfree(&ops->locked.ops); |
467 | zfree(&ops->target.raw); | |
468 | zfree(&ops->target.name); | |
c46219ac ACM |
469 | } |
470 | ||
7a997fe4 | 471 | static struct ins_ops lock_ops = { |
c46219ac | 472 | .free = lock__delete, |
7a997fe4 ACM |
473 | .parse = lock__parse, |
474 | .scnprintf = lock__scnprintf, | |
475 | }; | |
476 | ||
85a84e4f | 477 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
478 | { |
479 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
480 | ||
481 | if (s == NULL) | |
482 | return -1; | |
483 | ||
484 | *s = '\0'; | |
485 | ops->source.raw = strdup(ops->raw); | |
486 | *s = ','; | |
48000a1a | 487 | |
6de783b6 ACM |
488 | if (ops->source.raw == NULL) |
489 | return -1; | |
490 | ||
491 | target = ++s; | |
786c1b51 | 492 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
493 | |
494 | if (comment != NULL) | |
495 | s = comment - 1; | |
496 | else | |
497 | s = strchr(s, '\0') - 1; | |
6de783b6 | 498 | |
1e2bb043 AC |
499 | while (s > target && isspace(s[0])) |
500 | --s; | |
501 | s++; | |
6de783b6 ACM |
502 | prev = *s; |
503 | *s = '\0'; | |
504 | ||
505 | ops->target.raw = strdup(target); | |
506 | *s = prev; | |
507 | ||
508 | if (ops->target.raw == NULL) | |
509 | goto out_free_source; | |
510 | ||
6de783b6 ACM |
511 | if (comment == NULL) |
512 | return 0; | |
513 | ||
4597cf06 | 514 | comment = ltrim(comment); |
35a8a148 TR |
515 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
516 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
517 | |
518 | return 0; | |
519 | ||
520 | out_free_source: | |
04662523 | 521 | zfree(&ops->source.raw); |
6de783b6 ACM |
522 | return -1; |
523 | } | |
524 | ||
525 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
526 | struct ins_operands *ops) | |
527 | { | |
648388ae | 528 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
529 | ops->source.name ?: ops->source.raw, |
530 | ops->target.name ?: ops->target.raw); | |
531 | } | |
532 | ||
533 | static struct ins_ops mov_ops = { | |
534 | .parse = mov__parse, | |
535 | .scnprintf = mov__scnprintf, | |
536 | }; | |
537 | ||
85a84e4f | 538 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
539 | { |
540 | char *target, *comment, *s, prev; | |
541 | ||
542 | target = s = ops->raw; | |
543 | ||
544 | while (s[0] != '\0' && !isspace(s[0])) | |
545 | ++s; | |
546 | prev = *s; | |
547 | *s = '\0'; | |
548 | ||
549 | ops->target.raw = strdup(target); | |
550 | *s = prev; | |
551 | ||
552 | if (ops->target.raw == NULL) | |
553 | return -1; | |
554 | ||
859afa6c | 555 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
556 | if (comment == NULL) |
557 | return 0; | |
558 | ||
4597cf06 | 559 | comment = ltrim(comment); |
35a8a148 | 560 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
561 | |
562 | return 0; | |
563 | } | |
564 | ||
565 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
566 | struct ins_operands *ops) | |
567 | { | |
648388ae | 568 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
569 | ops->target.name ?: ops->target.raw); |
570 | } | |
571 | ||
572 | static struct ins_ops dec_ops = { | |
573 | .parse = dec__parse, | |
574 | .scnprintf = dec__scnprintf, | |
575 | }; | |
576 | ||
1d037ca1 IT |
577 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
578 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 579 | { |
648388ae | 580 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
581 | } |
582 | ||
583 | static struct ins_ops nop_ops = { | |
584 | .scnprintf = nop__scnprintf, | |
585 | }; | |
586 | ||
6ef94929 NR |
587 | static struct ins_ops ret_ops = { |
588 | .scnprintf = ins__raw_scnprintf, | |
589 | }; | |
590 | ||
591 | bool ins__is_ret(const struct ins *ins) | |
592 | { | |
593 | return ins->ops == &ret_ops; | |
594 | } | |
595 | ||
7e63a13a JY |
596 | bool ins__is_lock(const struct ins *ins) |
597 | { | |
598 | return ins->ops == &lock_ops; | |
599 | } | |
600 | ||
7e4c1498 | 601 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
602 | { |
603 | const struct ins *ins = insp; | |
604 | ||
605 | return strcmp(name, ins->name); | |
606 | } | |
607 | ||
7e4c1498 CR |
608 | static int ins__cmp(const void *a, const void *b) |
609 | { | |
610 | const struct ins *ia = a; | |
611 | const struct ins *ib = b; | |
612 | ||
613 | return strcmp(ia->name, ib->name); | |
614 | } | |
615 | ||
763d8960 | 616 | static void ins__sort(struct arch *arch) |
7e4c1498 | 617 | { |
763d8960 | 618 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 619 | |
763d8960 | 620 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
621 | } |
622 | ||
2a1ff812 | 623 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 624 | { |
75b49202 | 625 | struct ins *ins; |
763d8960 | 626 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 627 | |
763d8960 ACM |
628 | if (!arch->sorted_instructions) { |
629 | ins__sort(arch); | |
630 | arch->sorted_instructions = true; | |
7e4c1498 | 631 | } |
4f9d0325 | 632 | |
75b49202 ACM |
633 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
634 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
635 | } |
636 | ||
2a1ff812 ACM |
637 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
638 | { | |
639 | struct ins_ops *ops = __ins__find(arch, name); | |
640 | ||
641 | if (!ops && arch->associate_instruction_ops) | |
642 | ops = arch->associate_instruction_ops(arch, name); | |
643 | ||
644 | return ops; | |
645 | } | |
646 | ||
786c1b51 ACM |
647 | static int arch__key_cmp(const void *name, const void *archp) |
648 | { | |
649 | const struct arch *arch = archp; | |
650 | ||
651 | return strcmp(name, arch->name); | |
652 | } | |
653 | ||
654 | static int arch__cmp(const void *a, const void *b) | |
655 | { | |
656 | const struct arch *aa = a; | |
657 | const struct arch *ab = b; | |
658 | ||
659 | return strcmp(aa->name, ab->name); | |
660 | } | |
661 | ||
662 | static void arch__sort(void) | |
663 | { | |
664 | const int nmemb = ARRAY_SIZE(architectures); | |
665 | ||
666 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
667 | } | |
668 | ||
669 | static struct arch *arch__find(const char *name) | |
670 | { | |
671 | const int nmemb = ARRAY_SIZE(architectures); | |
672 | static bool sorted; | |
673 | ||
674 | if (!sorted) { | |
675 | arch__sort(); | |
676 | sorted = true; | |
677 | } | |
678 | ||
679 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
680 | } | |
681 | ||
ca396503 ACM |
682 | static struct annotated_source *annotated_source__new(void) |
683 | { | |
684 | struct annotated_source *src = zalloc(sizeof(*src)); | |
685 | ||
686 | if (src != NULL) | |
687 | INIT_LIST_HEAD(&src->source); | |
688 | ||
689 | return src; | |
690 | } | |
691 | ||
692 | static void annotated_source__delete(struct annotated_source *src) | |
693 | { | |
694 | if (src == NULL) | |
695 | return; | |
696 | zfree(&src->histograms); | |
697 | zfree(&src->cycles_hist); | |
698 | free(src); | |
699 | } | |
700 | ||
be3e26d9 ACM |
701 | static int annotated_source__alloc_histograms(struct annotated_source *src, |
702 | size_t size, int nr_hists) | |
ce6f4fab | 703 | { |
8696329b CS |
704 | size_t sizeof_sym_hist; |
705 | ||
331c7cb3 RB |
706 | /* |
707 | * Add buffer of one element for zero length symbol. | |
708 | * When sample is taken from first instruction of | |
709 | * zero length symbol, perf still resolves it and | |
710 | * shows symbol name in perf report and allows to | |
711 | * annotate it. | |
712 | */ | |
713 | if (size == 0) | |
714 | size = 1; | |
715 | ||
8696329b | 716 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 717 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
718 | return -1; |
719 | ||
896bccd3 | 720 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
721 | |
722 | /* Check for overflow in zalloc argument */ | |
be3e26d9 | 723 | if (sizeof_sym_hist > SIZE_MAX / nr_hists) |
8696329b | 724 | return -1; |
ce6f4fab | 725 | |
be3e26d9 ACM |
726 | src->sizeof_sym_hist = sizeof_sym_hist; |
727 | src->nr_histograms = nr_hists; | |
728 | src->histograms = calloc(nr_hists, sizeof_sym_hist) ; | |
729 | return src->histograms ? 0 : -1; | |
730 | } | |
731 | ||
732 | int symbol__alloc_hist(struct symbol *sym) | |
733 | { | |
734 | size_t size = symbol__size(sym); | |
735 | struct annotation *notes = symbol__annotation(sym); | |
736 | ||
ca396503 | 737 | notes->src = annotated_source__new(); |
ce6f4fab ACM |
738 | if (notes->src == NULL) |
739 | return -1; | |
be3e26d9 ACM |
740 | |
741 | if (annotated_source__alloc_histograms(notes->src, size, symbol_conf.nr_events) < 0) { | |
ca396503 ACM |
742 | annotated_source__delete(notes->src); |
743 | notes->src = NULL; | |
116c626b ACM |
744 | return -1; |
745 | } | |
ce6f4fab | 746 | return 0; |
78f7defe ACM |
747 | } |
748 | ||
d4957633 AK |
749 | /* The cycles histogram is lazily allocated. */ |
750 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
751 | { | |
752 | struct annotation *notes = symbol__annotation(sym); | |
753 | const size_t size = symbol__size(sym); | |
754 | ||
755 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
756 | if (notes->src->cycles_hist == NULL) | |
757 | return -1; | |
758 | return 0; | |
759 | } | |
760 | ||
36532461 ACM |
761 | void symbol__annotate_zero_histograms(struct symbol *sym) |
762 | { | |
763 | struct annotation *notes = symbol__annotation(sym); | |
764 | ||
ce6f4fab | 765 | pthread_mutex_lock(¬es->lock); |
d4957633 | 766 | if (notes->src != NULL) { |
ce6f4fab ACM |
767 | memset(notes->src->histograms, 0, |
768 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
769 | if (notes->src->cycles_hist) |
770 | memset(notes->src->cycles_hist, 0, | |
771 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
772 | } | |
ce6f4fab | 773 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
774 | } |
775 | ||
f40dd6d1 | 776 | static int __symbol__account_cycles(struct cyc_hist *ch, |
d4957633 AK |
777 | u64 start, |
778 | unsigned offset, unsigned cycles, | |
779 | unsigned have_start) | |
780 | { | |
d4957633 AK |
781 | /* |
782 | * For now we can only account one basic block per | |
783 | * final jump. But multiple could be overlapping. | |
784 | * Always account the longest one. So when | |
785 | * a shorter one has been already seen throw it away. | |
786 | * | |
787 | * We separately always account the full cycles. | |
788 | */ | |
789 | ch[offset].num_aggr++; | |
790 | ch[offset].cycles_aggr += cycles; | |
791 | ||
48659ebf JY |
792 | if (cycles > ch[offset].cycles_max) |
793 | ch[offset].cycles_max = cycles; | |
794 | ||
795 | if (ch[offset].cycles_min) { | |
796 | if (cycles && cycles < ch[offset].cycles_min) | |
797 | ch[offset].cycles_min = cycles; | |
798 | } else | |
799 | ch[offset].cycles_min = cycles; | |
800 | ||
d4957633 AK |
801 | if (!have_start && ch[offset].have_start) |
802 | return 0; | |
803 | if (ch[offset].num) { | |
804 | if (have_start && (!ch[offset].have_start || | |
805 | ch[offset].start > start)) { | |
806 | ch[offset].have_start = 0; | |
807 | ch[offset].cycles = 0; | |
808 | ch[offset].num = 0; | |
809 | if (ch[offset].reset < 0xffff) | |
810 | ch[offset].reset++; | |
811 | } else if (have_start && | |
812 | ch[offset].start < start) | |
813 | return 0; | |
814 | } | |
815 | ch[offset].have_start = have_start; | |
816 | ch[offset].start = start; | |
817 | ch[offset].cycles += cycles; | |
818 | ch[offset].num++; | |
819 | return 0; | |
820 | } | |
821 | ||
b66d8c0c | 822 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e1a91a83 | 823 | struct annotated_source *src, int evidx, u64 addr, |
461c17f0 | 824 | struct perf_sample *sample) |
78f7defe | 825 | { |
2f525d01 | 826 | unsigned offset; |
78f7defe ACM |
827 | struct sym_hist *h; |
828 | ||
78f7defe ACM |
829 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
830 | ||
edee44be RB |
831 | if ((addr < sym->start || addr >= sym->end) && |
832 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
833 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
834 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 835 | return -ERANGE; |
e3d006ce | 836 | } |
78f7defe | 837 | |
2f525d01 | 838 | offset = addr - sym->start; |
e1a91a83 | 839 | h = annotated_source__histogram(src, evidx); |
8158683d | 840 | h->nr_samples++; |
896bccd3 | 841 | h->addr[offset].nr_samples++; |
461c17f0 TS |
842 | h->period += sample->period; |
843 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
844 | |
845 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
846 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
847 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
848 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
849 | return 0; |
850 | } | |
851 | ||
c6b635ee | 852 | static struct cyc_hist *symbol__cycles_hist(struct symbol *sym) |
83be34a7 AK |
853 | { |
854 | struct annotation *notes = symbol__annotation(sym); | |
855 | ||
856 | if (notes->src == NULL) { | |
c6b635ee ACM |
857 | notes->src = annotated_source__new(); |
858 | if (notes->src == NULL) | |
83be34a7 | 859 | return NULL; |
c6b635ee | 860 | goto alloc_cycles_hist; |
83be34a7 | 861 | } |
c6b635ee ACM |
862 | |
863 | if (!notes->src->cycles_hist) { | |
864 | alloc_cycles_hist: | |
865 | symbol__alloc_hist_cycles(sym); | |
d4957633 | 866 | } |
c6b635ee ACM |
867 | |
868 | return notes->src->cycles_hist; | |
83be34a7 AK |
869 | } |
870 | ||
0693f758 | 871 | static struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists) |
e8ea922a ACM |
872 | { |
873 | struct annotation *notes = symbol__annotation(sym); | |
874 | ||
875 | if (notes->src == NULL) { | |
876 | notes->src = annotated_source__new(); | |
877 | if (notes->src == NULL) | |
878 | return NULL; | |
879 | goto alloc_histograms; | |
880 | } | |
881 | ||
882 | if (notes->src->histograms == NULL) { | |
883 | alloc_histograms: | |
884 | annotated_source__alloc_histograms(notes->src, symbol__size(sym), | |
0693f758 | 885 | nr_hists); |
e8ea922a ACM |
886 | } |
887 | ||
888 | return notes->src; | |
889 | } | |
890 | ||
44e83039 | 891 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e345f3bd | 892 | struct perf_evsel *evsel, u64 addr, |
bab89f6a | 893 | struct perf_sample *sample) |
b66d8c0c | 894 | { |
e8ea922a | 895 | struct annotated_source *src; |
b66d8c0c | 896 | |
48c65bda | 897 | if (sym == NULL) |
b66d8c0c | 898 | return 0; |
0693f758 | 899 | src = symbol__hists(sym, evsel->evlist->nr_entries); |
e8ea922a | 900 | if (src == NULL) |
83be34a7 | 901 | return -ENOMEM; |
e8ea922a | 902 | return __symbol__inc_addr_samples(sym, map, src, evsel->idx, addr, sample); |
b66d8c0c ACM |
903 | } |
904 | ||
d4957633 AK |
905 | static int symbol__account_cycles(u64 addr, u64 start, |
906 | struct symbol *sym, unsigned cycles) | |
907 | { | |
c6b635ee | 908 | struct cyc_hist *cycles_hist; |
d4957633 AK |
909 | unsigned offset; |
910 | ||
911 | if (sym == NULL) | |
912 | return 0; | |
c6b635ee ACM |
913 | cycles_hist = symbol__cycles_hist(sym); |
914 | if (cycles_hist == NULL) | |
d4957633 AK |
915 | return -ENOMEM; |
916 | if (addr < sym->start || addr >= sym->end) | |
917 | return -ERANGE; | |
918 | ||
919 | if (start) { | |
920 | if (start < sym->start || start >= sym->end) | |
921 | return -ERANGE; | |
922 | if (start >= addr) | |
923 | start = 0; | |
924 | } | |
925 | offset = addr - sym->start; | |
c6b635ee | 926 | return __symbol__account_cycles(cycles_hist, |
d4957633 AK |
927 | start ? start - sym->start : 0, |
928 | offset, cycles, | |
929 | !!start); | |
930 | } | |
931 | ||
932 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
933 | struct addr_map_symbol *start, | |
934 | unsigned cycles) | |
935 | { | |
3d7245b0 | 936 | u64 saddr = 0; |
d4957633 AK |
937 | int err; |
938 | ||
939 | if (!cycles) | |
940 | return 0; | |
941 | ||
942 | /* | |
943 | * Only set start when IPC can be computed. We can only | |
944 | * compute it when the basic block is completely in a single | |
945 | * function. | |
946 | * Special case the case when the jump is elsewhere, but | |
947 | * it starts on the function start. | |
948 | */ | |
949 | if (start && | |
950 | (start->sym == ams->sym || | |
951 | (ams->sym && | |
952 | start->addr == ams->sym->start + ams->map->start))) | |
953 | saddr = start->al_addr; | |
954 | if (saddr == 0) | |
3d7245b0 | 955 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
956 | ams->addr, |
957 | start ? start->addr : 0, | |
958 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
959 | saddr); | |
960 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
961 | if (err) | |
962 | pr_debug2("account_cycles failed %d\n", err); | |
963 | return err; | |
964 | } | |
965 | ||
f56c083b ACM |
966 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
967 | { | |
968 | unsigned n_insn = 0; | |
969 | u64 offset; | |
970 | ||
971 | for (offset = start; offset <= end; offset++) { | |
972 | if (notes->offsets[offset]) | |
973 | n_insn++; | |
974 | } | |
975 | return n_insn; | |
976 | } | |
977 | ||
978 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
979 | { | |
980 | unsigned n_insn; | |
981 | u64 offset; | |
982 | ||
983 | n_insn = annotation__count_insn(notes, start, end); | |
984 | if (n_insn && ch->num && ch->cycles) { | |
985 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
986 | ||
987 | /* Hide data when there are too many overlaps. */ | |
988 | if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) | |
989 | return; | |
990 | ||
991 | for (offset = start; offset <= end; offset++) { | |
992 | struct annotation_line *al = notes->offsets[offset]; | |
993 | ||
994 | if (al) | |
995 | al->ipc = ipc; | |
996 | } | |
997 | } | |
998 | } | |
999 | ||
1000 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
1001 | { | |
1002 | u64 offset; | |
1003 | ||
1004 | if (!notes->src || !notes->src->cycles_hist) | |
1005 | return; | |
1006 | ||
1007 | pthread_mutex_lock(¬es->lock); | |
1008 | for (offset = 0; offset < size; ++offset) { | |
1009 | struct cyc_hist *ch; | |
1010 | ||
1011 | ch = ¬es->src->cycles_hist[offset]; | |
1012 | if (ch && ch->cycles) { | |
1013 | struct annotation_line *al; | |
1014 | ||
1015 | if (ch->have_start) | |
1016 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
1017 | al = notes->offsets[offset]; | |
48659ebf | 1018 | if (al && ch->num_aggr) { |
f56c083b | 1019 | al->cycles = ch->cycles_aggr / ch->num_aggr; |
48659ebf JY |
1020 | al->cycles_max = ch->cycles_max; |
1021 | al->cycles_min = ch->cycles_min; | |
1022 | } | |
f56c083b ACM |
1023 | notes->have_cycles = true; |
1024 | } | |
1025 | } | |
1026 | pthread_mutex_unlock(¬es->lock); | |
1027 | } | |
1028 | ||
bab89f6a | 1029 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
e345f3bd | 1030 | struct perf_evsel *evsel) |
0f4e7a24 | 1031 | { |
e345f3bd | 1032 | return symbol__inc_addr_samples(ams->sym, ams->map, evsel, ams->al_addr, sample); |
0f4e7a24 ACM |
1033 | } |
1034 | ||
bab89f6a | 1035 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
e345f3bd | 1036 | struct perf_evsel *evsel, u64 ip) |
f626adff | 1037 | { |
e345f3bd | 1038 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evsel, ip, sample); |
f626adff ACM |
1039 | } |
1040 | ||
85a84e4f | 1041 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 1042 | { |
75b49202 | 1043 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 1044 | |
75b49202 | 1045 | if (!dl->ins.ops) |
4f9d0325 ACM |
1046 | return; |
1047 | ||
85a84e4f | 1048 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 1049 | dl->ins.ops = NULL; |
4f9d0325 ACM |
1050 | } |
1051 | ||
75b49202 | 1052 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 1053 | { |
4597cf06 | 1054 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
1055 | |
1056 | if (name[0] == '\0') | |
1057 | return -1; | |
1058 | ||
1059 | *rawp = name + 1; | |
1060 | ||
1061 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
1062 | ++*rawp; | |
1063 | ||
1064 | tmp = (*rawp)[0]; | |
1065 | (*rawp)[0] = '\0'; | |
1066 | *namep = strdup(name); | |
1067 | ||
1068 | if (*namep == NULL) | |
1069 | goto out_free_name; | |
1070 | ||
1071 | (*rawp)[0] = tmp; | |
4597cf06 | 1072 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
1073 | |
1074 | return 0; | |
1075 | ||
1076 | out_free_name: | |
75b49202 ACM |
1077 | free((void *)namep); |
1078 | *namep = NULL; | |
7a997fe4 ACM |
1079 | return -1; |
1080 | } | |
1081 | ||
ea07c5aa JO |
1082 | struct annotate_args { |
1083 | size_t privsize; | |
24fe7b88 | 1084 | struct arch *arch; |
85a84e4f | 1085 | struct map_symbol ms; |
d03a686e | 1086 | struct perf_evsel *evsel; |
4748834f JO |
1087 | s64 offset; |
1088 | char *line; | |
1089 | int line_nr; | |
ea07c5aa JO |
1090 | }; |
1091 | ||
c835e191 JO |
1092 | static void annotation_line__delete(struct annotation_line *al) |
1093 | { | |
1094 | void *ptr = (void *) al - al->privsize; | |
1095 | ||
8b4c74dc | 1096 | free_srcline(al->path); |
c835e191 JO |
1097 | zfree(&al->line); |
1098 | free(ptr); | |
1099 | } | |
1100 | ||
1101 | /* | |
1102 | * Allocating the annotation line data with following | |
1103 | * structure: | |
1104 | * | |
1105 | * -------------------------------------- | |
1106 | * private space | struct annotation_line | |
1107 | * -------------------------------------- | |
1108 | * | |
1109 | * Size of the private space is stored in 'struct annotation_line'. | |
1110 | * | |
1111 | */ | |
1112 | static struct annotation_line * | |
1113 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1114 | { | |
1115 | struct annotation_line *al; | |
7e304557 | 1116 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 1117 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1118 | int nr = 1; |
1119 | ||
1120 | if (perf_evsel__is_group_event(evsel)) | |
1121 | nr = evsel->nr_members; | |
1122 | ||
1123 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
1124 | |
1125 | al = zalloc(size); | |
1126 | if (al) { | |
1127 | al = (void *) al + privsize; | |
1128 | al->privsize = privsize; | |
1129 | al->offset = args->offset; | |
1130 | al->line = strdup(args->line); | |
1131 | al->line_nr = args->line_nr; | |
7e304557 | 1132 | al->samples_nr = nr; |
c835e191 JO |
1133 | } |
1134 | ||
1135 | return al; | |
1136 | } | |
1137 | ||
1138 | /* | |
1139 | * Allocating the disasm annotation line data with | |
1140 | * following structure: | |
1141 | * | |
1142 | * ------------------------------------------------------------ | |
1143 | * privsize space | struct disasm_line | struct annotation_line | |
1144 | * ------------------------------------------------------------ | |
1145 | * | |
1146 | * We have 'struct annotation_line' member as last member | |
1147 | * of 'struct disasm_line' to have an easy access. | |
1148 | * | |
1149 | */ | |
4748834f | 1150 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1151 | { |
c835e191 JO |
1152 | struct disasm_line *dl = NULL; |
1153 | struct annotation_line *al; | |
1154 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1155 | |
c835e191 JO |
1156 | al = annotation_line__new(args, privsize); |
1157 | if (al != NULL) { | |
1158 | dl = disasm_line(al); | |
d5490b96 JO |
1159 | |
1160 | if (dl->al.line == NULL) | |
058b4cc9 | 1161 | goto out_delete; |
5145418b | 1162 | |
4748834f | 1163 | if (args->offset != -1) { |
d5490b96 | 1164 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1165 | goto out_free_line; |
1166 | ||
85a84e4f | 1167 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1168 | } |
78f7defe ACM |
1169 | } |
1170 | ||
29ed6e76 | 1171 | return dl; |
5145418b ACM |
1172 | |
1173 | out_free_line: | |
d5490b96 | 1174 | zfree(&dl->al.line); |
058b4cc9 | 1175 | out_delete: |
29ed6e76 | 1176 | free(dl); |
058b4cc9 | 1177 | return NULL; |
78f7defe ACM |
1178 | } |
1179 | ||
29ed6e76 | 1180 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1181 | { |
75b49202 ACM |
1182 | if (dl->ins.ops && dl->ins.ops->free) |
1183 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1184 | else |
1185 | ins__delete(&dl->ops); | |
75b49202 ACM |
1186 | free((void *)dl->ins.name); |
1187 | dl->ins.name = NULL; | |
c835e191 | 1188 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1189 | } |
1190 | ||
5417072b ACM |
1191 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
1192 | { | |
75b49202 | 1193 | if (raw || !dl->ins.ops) |
648388ae | 1194 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 1195 | |
75b49202 | 1196 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1197 | } |
1198 | ||
82b9d7ff | 1199 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1200 | { |
82b9d7ff | 1201 | list_add_tail(&al->node, head); |
78f7defe ACM |
1202 | } |
1203 | ||
c4c72436 JO |
1204 | struct annotation_line * |
1205 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1206 | { |
c4c72436 JO |
1207 | list_for_each_entry_continue(pos, head, node) |
1208 | if (pos->offset >= 0) | |
78f7defe ACM |
1209 | return pos; |
1210 | ||
1211 | return NULL; | |
1212 | } | |
1213 | ||
70fbe057 PZ |
1214 | static const char *annotate__address_color(struct block_range *br) |
1215 | { | |
1216 | double cov = block_range__coverage(br); | |
1217 | ||
1218 | if (cov >= 0) { | |
1219 | /* mark red for >75% coverage */ | |
1220 | if (cov > 0.75) | |
1221 | return PERF_COLOR_RED; | |
1222 | ||
1223 | /* mark dull for <1% coverage */ | |
1224 | if (cov < 0.01) | |
1225 | return PERF_COLOR_NORMAL; | |
1226 | } | |
1227 | ||
1228 | return PERF_COLOR_MAGENTA; | |
1229 | } | |
1230 | ||
1231 | static const char *annotate__asm_color(struct block_range *br) | |
1232 | { | |
1233 | double cov = block_range__coverage(br); | |
1234 | ||
1235 | if (cov >= 0) { | |
1236 | /* mark dull for <1% coverage */ | |
1237 | if (cov < 0.01) | |
1238 | return PERF_COLOR_NORMAL; | |
1239 | } | |
1240 | ||
1241 | return PERF_COLOR_BLUE; | |
1242 | } | |
1243 | ||
1244 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1245 | { | |
1246 | bool emit_comment = true; | |
1247 | ||
1248 | if (!br) | |
1249 | return; | |
1250 | ||
1251 | #if 1 | |
1252 | if (br->is_target && br->start == addr) { | |
1253 | struct block_range *branch = br; | |
1254 | double p; | |
1255 | ||
1256 | /* | |
1257 | * Find matching branch to our target. | |
1258 | */ | |
1259 | while (!branch->is_branch) | |
1260 | branch = block_range__next(branch); | |
1261 | ||
1262 | p = 100 *(double)br->entry / branch->coverage; | |
1263 | ||
1264 | if (p > 0.1) { | |
1265 | if (emit_comment) { | |
1266 | emit_comment = false; | |
1267 | printf("\t#"); | |
1268 | } | |
1269 | ||
1270 | /* | |
1271 | * The percentage of coverage joined at this target in relation | |
1272 | * to the next branch. | |
1273 | */ | |
1274 | printf(" +%.2f%%", p); | |
1275 | } | |
1276 | } | |
1277 | #endif | |
1278 | if (br->is_branch && br->end == addr) { | |
1279 | double p = 100*(double)br->taken / br->coverage; | |
1280 | ||
1281 | if (p > 0.1) { | |
1282 | if (emit_comment) { | |
1283 | emit_comment = false; | |
1284 | printf("\t#"); | |
1285 | } | |
1286 | ||
1287 | /* | |
1288 | * The percentage of coverage leaving at this branch, and | |
1289 | * its prediction ratio. | |
1290 | */ | |
1291 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1292 | } | |
1293 | } | |
1294 | } | |
1295 | ||
f48e7c40 | 1296 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1297 | { |
29971f9a JO |
1298 | s64 offset = dl->al.offset; |
1299 | const u64 addr = start + offset; | |
1300 | struct block_range *br; | |
1301 | ||
1302 | br = block_range__find(addr); | |
f48e7c40 | 1303 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1304 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1305 | annotate__branch_printf(br, addr); | |
1306 | return 0; | |
1307 | } | |
1308 | ||
1309 | static int | |
1310 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1311 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
f48e7c40 | 1312 | int max_lines, struct annotation_line *queue, int addr_fmt_width) |
29971f9a JO |
1313 | { |
1314 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1315 | static const char *prev_line; |
1316 | static const char *prev_color; | |
1317 | ||
29971f9a | 1318 | if (al->offset != -1) { |
f681d593 | 1319 | double max_percent = 0.0; |
b1dd4432 | 1320 | int i, nr_percent = 1; |
78f7defe ACM |
1321 | const char *color; |
1322 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1323 | |
29971f9a JO |
1324 | for (i = 0; i < al->samples_nr; i++) { |
1325 | struct annotation_data *sample = &al->samples[i]; | |
78f7defe | 1326 | |
f681d593 JO |
1327 | if (sample->percent > max_percent) |
1328 | max_percent = sample->percent; | |
b1dd4432 NK |
1329 | } |
1330 | ||
04d2600a JY |
1331 | if (al->samples_nr > nr_percent) |
1332 | nr_percent = al->samples_nr; | |
1333 | ||
b1dd4432 | 1334 | if (max_percent < min_pcnt) |
36532461 ACM |
1335 | return -1; |
1336 | ||
e3087b80 | 1337 | if (max_lines && printed >= max_lines) |
36532461 | 1338 | return 1; |
d040bd36 | 1339 | |
d5e3d747 | 1340 | if (queue != NULL) { |
29971f9a JO |
1341 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1342 | if (queue == al) | |
d5e3d747 | 1343 | break; |
29971f9a | 1344 | annotation_line__print(queue, sym, start, evsel, len, |
f48e7c40 | 1345 | 0, 0, 1, NULL, addr_fmt_width); |
d5e3d747 ACM |
1346 | } |
1347 | } | |
1348 | ||
b1dd4432 | 1349 | color = get_percent_color(max_percent); |
78f7defe ACM |
1350 | |
1351 | /* | |
1352 | * Also color the filename and line if needed, with | |
1353 | * the same color than the percentage. Don't print it | |
1354 | * twice for close colored addr with the same filename:line | |
1355 | */ | |
29971f9a JO |
1356 | if (al->path) { |
1357 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1358 | || color != prev_color) { |
29971f9a JO |
1359 | color_fprintf(stdout, color, " %s", al->path); |
1360 | prev_line = al->path; | |
78f7defe ACM |
1361 | prev_color = color; |
1362 | } | |
1363 | } | |
1364 | ||
b1dd4432 | 1365 | for (i = 0; i < nr_percent; i++) { |
29971f9a | 1366 | struct annotation_data *sample = &al->samples[i]; |
f681d593 JO |
1367 | |
1368 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1369 | |
1370 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1371 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1372 | sample->he.period); |
1ac39372 TS |
1373 | else if (symbol_conf.show_nr_samples) |
1374 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1375 | sample->he.nr_samples); |
0c4a5bce | 1376 | else |
f681d593 | 1377 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1378 | } |
1379 | ||
f48e7c40 | 1380 | printf(" : "); |
70fbe057 | 1381 | |
f48e7c40 | 1382 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1383 | printf("\n"); |
e3087b80 | 1384 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1385 | return 1; |
1386 | else { | |
ce9ee4a2 | 1387 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1388 | |
d5e3d747 ACM |
1389 | if (queue) |
1390 | return -1; | |
1391 | ||
759ff497 | 1392 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1393 | width *= evsel->nr_members; |
1394 | ||
29971f9a | 1395 | if (!*al->line) |
b1dd4432 | 1396 | printf(" %*s:\n", width, " "); |
78f7defe | 1397 | else |
f48e7c40 | 1398 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1399 | } |
36532461 ACM |
1400 | |
1401 | return 0; | |
78f7defe ACM |
1402 | } |
1403 | ||
3aec150a NK |
1404 | /* |
1405 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1406 | * which looks like following | |
1407 | * | |
1408 | * 0000000000415500 <_init>: | |
1409 | * 415500: sub $0x8,%rsp | |
1410 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1411 | * 41550b: test %rax,%rax | |
1412 | * 41550e: je 415515 <_init+0x15> | |
1413 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1414 | * 415515: add $0x8,%rsp | |
1415 | * 415519: retq | |
1416 | * | |
1417 | * it will be parsed and saved into struct disasm_line as | |
1418 | * <offset> <name> <ops.raw> | |
1419 | * | |
1420 | * The offset will be a relative offset from the start of the symbol and -1 | |
1421 | * means that it's not a disassembly line so should be treated differently. | |
1422 | * The ops.raw part will be parsed further according to type of the instruction. | |
1423 | */ | |
1a04db70 | 1424 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1425 | struct annotate_args *args, |
e592488c | 1426 | int *line_nr) |
78f7defe | 1427 | { |
85a84e4f | 1428 | struct map *map = args->ms.map; |
ce6f4fab | 1429 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1430 | struct disasm_line *dl; |
4597cf06 | 1431 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1432 | size_t line_len; |
1433 | s64 line_ip, offset = -1; | |
e592488c | 1434 | regmatch_t match[2]; |
78f7defe ACM |
1435 | |
1436 | if (getline(&line, &line_len, file) < 0) | |
1437 | return -1; | |
1438 | ||
1439 | if (!line) | |
1440 | return -1; | |
1441 | ||
78f7defe | 1442 | line_ip = -1; |
4597cf06 | 1443 | parsed_line = rtrim(line); |
78f7defe | 1444 | |
e592488c | 1445 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1446 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1447 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1448 | return 0; |
1449 | } | |
1450 | ||
4597cf06 | 1451 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1452 | if (*tmp) { |
1453 | /* | |
1454 | * Parse hexa addresses followed by ':' | |
1455 | */ | |
1456 | line_ip = strtoull(tmp, &tmp2, 16); | |
1457 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1458 | line_ip = -1; | |
1459 | } | |
1460 | ||
1461 | if (line_ip != -1) { | |
1462 | u64 start = map__rip_2objdump(map, sym->start), | |
1463 | end = map__rip_2objdump(map, sym->end); | |
1464 | ||
1465 | offset = line_ip - start; | |
2c241bd3 | 1466 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1467 | offset = -1; |
058b4cc9 ACM |
1468 | else |
1469 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1470 | } |
78f7defe | 1471 | |
4748834f JO |
1472 | args->offset = offset; |
1473 | args->line = parsed_line; | |
1474 | args->line_nr = *line_nr; | |
85a84e4f | 1475 | args->ms.sym = sym; |
4748834f JO |
1476 | |
1477 | dl = disasm_line__new(args); | |
058b4cc9 | 1478 | free(line); |
e592488c | 1479 | (*line_nr)++; |
058b4cc9 | 1480 | |
29ed6e76 | 1481 | if (dl == NULL) |
78f7defe | 1482 | return -1; |
058b4cc9 | 1483 | |
2eff0611 | 1484 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1485 | dl->ops.target.offset = dl->ops.target.addr - |
1486 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1487 | dl->ops.target.offset_avail = true; |
1488 | } | |
bbb7f846 | 1489 | |
696703af ACM |
1490 | /* kcore has no symbols, so add the call target symbol */ |
1491 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1492 | struct addr_map_symbol target = { |
1493 | .map = map, | |
1494 | .addr = dl->ops.target.addr, | |
1495 | }; | |
1496 | ||
be39db9f | 1497 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1498 | target.sym->start == target.al_addr) |
696703af | 1499 | dl->ops.target.sym = target.sym; |
b178170a AH |
1500 | } |
1501 | ||
82b9d7ff | 1502 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1503 | |
1504 | return 0; | |
1505 | } | |
1506 | ||
e592488c AK |
1507 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1508 | { | |
1509 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1510 | } | |
1511 | ||
484a5e74 AH |
1512 | static void delete_last_nop(struct symbol *sym) |
1513 | { | |
1514 | struct annotation *notes = symbol__annotation(sym); | |
1515 | struct list_head *list = ¬es->src->source; | |
1516 | struct disasm_line *dl; | |
1517 | ||
1518 | while (!list_empty(list)) { | |
a17c4ca0 | 1519 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1520 | |
75b49202 ACM |
1521 | if (dl->ins.ops) { |
1522 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1523 | return; |
1524 | } else { | |
d5490b96 JO |
1525 | if (!strstr(dl->al.line, " nop ") && |
1526 | !strstr(dl->al.line, " nopl ") && | |
1527 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1528 | return; |
1529 | } | |
1530 | ||
a17c4ca0 | 1531 | list_del(&dl->al.node); |
484a5e74 AH |
1532 | disasm_line__free(dl); |
1533 | } | |
1534 | } | |
1535 | ||
ee51d851 ACM |
1536 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1537 | int errnum, char *buf, size_t buflen) | |
1538 | { | |
1539 | struct dso *dso = map->dso; | |
1540 | ||
1541 | BUG_ON(buflen == 0); | |
1542 | ||
1543 | if (errnum >= 0) { | |
1544 | str_error_r(errnum, buf, buflen); | |
1545 | return 0; | |
1546 | } | |
1547 | ||
1548 | switch (errnum) { | |
1549 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1550 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1551 | char *build_id_msg = NULL; | |
1552 | ||
1553 | if (dso->has_build_id) { | |
1554 | build_id__sprintf(dso->build_id, | |
1555 | sizeof(dso->build_id), bf + 15); | |
1556 | build_id_msg = bf; | |
1557 | } | |
1558 | scnprintf(buf, buflen, | |
1559 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1560 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1561 | "Please use:\n\n" | |
1562 | " perf buildid-cache -vu vmlinux\n\n" | |
1563 | "or:\n\n" | |
1564 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1565 | } | |
1566 | break; | |
1567 | default: | |
1568 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1569 | break; | |
1570 | } | |
1571 | ||
1572 | return 0; | |
1573 | } | |
1574 | ||
05ed3ac9 | 1575 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1576 | { |
05ed3ac9 ACM |
1577 | char linkname[PATH_MAX]; |
1578 | char *build_id_filename; | |
6ebd2547 | 1579 | char *build_id_path = NULL; |
3619ef76 | 1580 | char *pos; |
78f7defe | 1581 | |
c12944f7 ACM |
1582 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1583 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1584 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1585 | |
d2396999 | 1586 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1587 | if (build_id_filename) { |
1588 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1589 | free(build_id_filename); | |
3caee094 | 1590 | } else { |
ee51d851 ACM |
1591 | if (dso->has_build_id) |
1592 | return ENOMEM; | |
78f7defe | 1593 | goto fallback; |
3caee094 ACM |
1594 | } |
1595 | ||
6ebd2547 TS |
1596 | build_id_path = strdup(filename); |
1597 | if (!build_id_path) | |
1598 | return -1; | |
1599 | ||
3619ef76 NK |
1600 | /* |
1601 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1602 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1603 | * extract the build-id part of dirname in the new style only. | |
1604 | */ | |
1605 | pos = strrchr(build_id_path, '/'); | |
1606 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1607 | dirname(build_id_path); | |
6ebd2547 | 1608 | |
3caee094 | 1609 | if (dso__is_kcore(dso) || |
6ebd2547 | 1610 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1611 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1612 | access(filename, R_OK)) { | |
78f7defe ACM |
1613 | fallback: |
1614 | /* | |
1615 | * If we don't have build-ids or the build-id file isn't in the | |
1616 | * cache, or is just a kallsyms file, well, lets hope that this | |
1617 | * DSO is the same as when 'perf record' ran. | |
1618 | */ | |
05ed3ac9 | 1619 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1620 | } |
1621 | ||
6ebd2547 | 1622 | free(build_id_path); |
05ed3ac9 ACM |
1623 | return 0; |
1624 | } | |
1625 | ||
1a04db70 | 1626 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1627 | { |
85a84e4f | 1628 | struct map *map = args->ms.map; |
05ed3ac9 | 1629 | struct dso *dso = map->dso; |
6810158d | 1630 | char *command; |
05ed3ac9 ACM |
1631 | FILE *file; |
1632 | char symfs_filename[PATH_MAX]; | |
1633 | struct kcore_extract kce; | |
1634 | bool delete_extract = false; | |
1635 | int stdout_fd[2]; | |
1636 | int lineno = 0; | |
1637 | int nline; | |
1638 | pid_t pid; | |
1639 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1640 | ||
1641 | if (err) | |
1642 | return err; | |
1643 | ||
78f7defe | 1644 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1645 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1646 | map->unmap_ip(map, sym->end)); |
1647 | ||
78f7defe ACM |
1648 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1649 | dso, dso->long_name, sym, sym->name); | |
1650 | ||
afba19d9 AH |
1651 | if (dso__is_kcore(dso)) { |
1652 | kce.kcore_filename = symfs_filename; | |
1653 | kce.addr = map__rip_2objdump(map, sym->start); | |
1654 | kce.offs = sym->start; | |
2c241bd3 | 1655 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1656 | if (!kcore_extract__create(&kce)) { |
1657 | delete_extract = true; | |
1658 | strlcpy(symfs_filename, kce.extract_filename, | |
1659 | sizeof(symfs_filename)); | |
afba19d9 | 1660 | } |
2c7da8c5 | 1661 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1662 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1663 | |
3c84fd53 NK |
1664 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1665 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1666 | goto out; |
2c7da8c5 JO |
1667 | |
1668 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1669 | } |
1670 | ||
6810158d | 1671 | err = asprintf(&command, |
7a4ec938 | 1672 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1673 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1674 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1675 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1676 | disassembler_style ? "-M " : "", |
1677 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1678 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1679 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1680 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1681 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1682 | symfs_filename, symfs_filename); |
78f7defe | 1683 | |
6810158d ACM |
1684 | if (err < 0) { |
1685 | pr_err("Failure allocating memory for the command to run\n"); | |
1686 | goto out_remove_tmp; | |
1687 | } | |
1688 | ||
78f7defe ACM |
1689 | pr_debug("Executing: %s\n", command); |
1690 | ||
9955d0be ACM |
1691 | err = -1; |
1692 | if (pipe(stdout_fd) < 0) { | |
1693 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1694 | goto out_free_command; |
9955d0be ACM |
1695 | } |
1696 | ||
1697 | pid = fork(); | |
1698 | if (pid < 0) { | |
1699 | pr_err("Failure forking to run %s\n", command); | |
1700 | goto out_close_stdout; | |
1701 | } | |
1702 | ||
1703 | if (pid == 0) { | |
1704 | close(stdout_fd[0]); | |
1705 | dup2(stdout_fd[1], 1); | |
1706 | close(stdout_fd[1]); | |
1707 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1708 | perror(command); | |
1709 | exit(-1); | |
1710 | } | |
1711 | ||
1712 | close(stdout_fd[1]); | |
1713 | ||
1714 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1715 | if (!file) { |
9955d0be | 1716 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1717 | /* |
1718 | * If we were using debug info should retry with | |
1719 | * original binary. | |
1720 | */ | |
6810158d | 1721 | goto out_free_command; |
62ec9b3f | 1722 | } |
78f7defe | 1723 | |
62ec9b3f AK |
1724 | nline = 0; |
1725 | while (!feof(file)) { | |
ed7b339f ACM |
1726 | /* |
1727 | * The source code line number (lineno) needs to be kept in | |
1728 | * accross calls to symbol__parse_objdump_line(), so that it | |
1729 | * can associate it with the instructions till the next one. | |
1730 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1731 | */ | |
1a04db70 | 1732 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1733 | break; |
62ec9b3f AK |
1734 | nline++; |
1735 | } | |
1736 | ||
1737 | if (nline == 0) | |
1738 | pr_err("No output from %s\n", command); | |
78f7defe | 1739 | |
484a5e74 AH |
1740 | /* |
1741 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1742 | * Remove it. | |
1743 | */ | |
1744 | if (dso__is_kcore(dso)) | |
1745 | delete_last_nop(sym); | |
1746 | ||
9955d0be ACM |
1747 | fclose(file); |
1748 | err = 0; | |
6810158d ACM |
1749 | out_free_command: |
1750 | free(command); | |
2c7da8c5 | 1751 | out_remove_tmp: |
9955d0be ACM |
1752 | close(stdout_fd[0]); |
1753 | ||
2c7da8c5 JO |
1754 | if (dso__needs_decompress(dso)) |
1755 | unlink(symfs_filename); | |
3caee094 | 1756 | |
afba19d9 AH |
1757 | if (delete_extract) |
1758 | kcore_extract__delete(&kce); | |
c12944f7 | 1759 | out: |
78f7defe | 1760 | return err; |
9955d0be ACM |
1761 | |
1762 | out_close_stdout: | |
1763 | close(stdout_fd[1]); | |
6810158d | 1764 | goto out_free_command; |
78f7defe ACM |
1765 | } |
1766 | ||
073ae601 JO |
1767 | static void calc_percent(struct sym_hist *hist, |
1768 | struct annotation_data *sample, | |
1769 | s64 offset, s64 end) | |
1770 | { | |
1771 | unsigned int hits = 0; | |
1772 | u64 period = 0; | |
1773 | ||
1774 | while (offset < end) { | |
1775 | hits += hist->addr[offset].nr_samples; | |
1776 | period += hist->addr[offset].period; | |
1777 | ++offset; | |
1778 | } | |
1779 | ||
1780 | if (hist->nr_samples) { | |
1781 | sample->he.period = period; | |
1782 | sample->he.nr_samples = hits; | |
1783 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1784 | } | |
1785 | } | |
1786 | ||
9e4e0a9d JO |
1787 | static void annotation__calc_percent(struct annotation *notes, |
1788 | struct perf_evsel *evsel, s64 len) | |
073ae601 JO |
1789 | { |
1790 | struct annotation_line *al, *next; | |
1791 | ||
1792 | list_for_each_entry(al, ¬es->src->source, node) { | |
1793 | s64 end; | |
1794 | int i; | |
1795 | ||
1796 | if (al->offset == -1) | |
1797 | continue; | |
1798 | ||
1799 | next = annotation_line__next(al, ¬es->src->source); | |
1800 | end = next ? next->offset : len; | |
1801 | ||
1802 | for (i = 0; i < al->samples_nr; i++) { | |
1803 | struct annotation_data *sample; | |
1804 | struct sym_hist *hist; | |
1805 | ||
1806 | hist = annotation__histogram(notes, evsel->idx + i); | |
1807 | sample = &al->samples[i]; | |
1808 | ||
1809 | calc_percent(hist, sample, al->offset, end); | |
1810 | } | |
1811 | } | |
073ae601 JO |
1812 | } |
1813 | ||
9e4e0a9d | 1814 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1815 | { |
1816 | struct annotation *notes = symbol__annotation(sym); | |
1817 | ||
9e4e0a9d | 1818 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1819 | } |
1820 | ||
c34df25b | 1821 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1822 | struct perf_evsel *evsel, size_t privsize, |
5449f13c | 1823 | struct arch **parch) |
c34df25b | 1824 | { |
ea07c5aa JO |
1825 | struct annotate_args args = { |
1826 | .privsize = privsize, | |
d03a686e | 1827 | .evsel = evsel, |
ea07c5aa | 1828 | }; |
5449f13c | 1829 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1830 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1831 | struct arch *arch; |
1832 | int err; | |
1833 | ||
c34df25b JO |
1834 | if (!arch_name) |
1835 | return -1; | |
1836 | ||
24fe7b88 | 1837 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1838 | if (arch == NULL) |
1839 | return -ENOTSUP; | |
1840 | ||
1841 | if (parch) | |
1842 | *parch = arch; | |
1843 | ||
1844 | if (arch->init) { | |
5449f13c | 1845 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1846 | if (err) { |
1847 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1848 | return err; | |
1849 | } | |
1850 | } | |
1851 | ||
85a84e4f ACM |
1852 | args.ms.map = map; |
1853 | args.ms.sym = sym; | |
1854 | ||
05d3f1a1 | 1855 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1856 | } |
1857 | ||
8b4c74dc | 1858 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1859 | { |
8b4c74dc | 1860 | struct annotation_line *iter; |
78f7defe ACM |
1861 | struct rb_node **p = &root->rb_node; |
1862 | struct rb_node *parent = NULL; | |
1491c22a | 1863 | int i, ret; |
78f7defe ACM |
1864 | |
1865 | while (*p != NULL) { | |
1866 | parent = *p; | |
8b4c74dc | 1867 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1868 | |
8b4c74dc | 1869 | ret = strcmp(iter->path, al->path); |
41127965 | 1870 | if (ret == 0) { |
8b4c74dc JO |
1871 | for (i = 0; i < al->samples_nr; i++) |
1872 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1873 | return; |
1874 | } | |
1875 | ||
1876 | if (ret < 0) | |
1877 | p = &(*p)->rb_left; | |
1878 | else | |
1879 | p = &(*p)->rb_right; | |
1880 | } | |
1881 | ||
8b4c74dc JO |
1882 | for (i = 0; i < al->samples_nr; i++) |
1883 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1884 | |
8b4c74dc JO |
1885 | rb_link_node(&al->rb_node, parent, p); |
1886 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1887 | } |
1888 | ||
8b4c74dc | 1889 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1890 | { |
1891 | int i; | |
1892 | ||
8b4c74dc | 1893 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1894 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1895 | continue; |
276af92f | 1896 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1897 | } |
1898 | ||
1899 | return 0; | |
1900 | } | |
1901 | ||
8b4c74dc | 1902 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1903 | { |
8b4c74dc | 1904 | struct annotation_line *iter; |
41127965 NK |
1905 | struct rb_node **p = &root->rb_node; |
1906 | struct rb_node *parent = NULL; | |
1907 | ||
1908 | while (*p != NULL) { | |
1909 | parent = *p; | |
8b4c74dc | 1910 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1911 | |
8b4c74dc | 1912 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1913 | p = &(*p)->rb_left; |
1914 | else | |
1915 | p = &(*p)->rb_right; | |
1916 | } | |
1917 | ||
8b4c74dc JO |
1918 | rb_link_node(&al->rb_node, parent, p); |
1919 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1920 | } |
1921 | ||
41127965 NK |
1922 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1923 | { | |
8b4c74dc | 1924 | struct annotation_line *al; |
41127965 NK |
1925 | struct rb_node *node; |
1926 | ||
1927 | node = rb_first(src_root); | |
1928 | while (node) { | |
1929 | struct rb_node *next; | |
1930 | ||
8b4c74dc | 1931 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1932 | next = rb_next(node); |
1933 | rb_erase(node, src_root); | |
1934 | ||
8b4c74dc | 1935 | __resort_source_line(dest_root, al); |
41127965 NK |
1936 | node = next; |
1937 | } | |
1938 | } | |
1939 | ||
78f7defe ACM |
1940 | static void print_summary(struct rb_root *root, const char *filename) |
1941 | { | |
8b4c74dc | 1942 | struct annotation_line *al; |
78f7defe ACM |
1943 | struct rb_node *node; |
1944 | ||
1945 | printf("\nSorted summary for file %s\n", filename); | |
1946 | printf("----------------------------------------------\n\n"); | |
1947 | ||
1948 | if (RB_EMPTY_ROOT(root)) { | |
1949 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1950 | return; | |
1951 | } | |
1952 | ||
1953 | node = rb_first(root); | |
1954 | while (node) { | |
1491c22a | 1955 | double percent, percent_max = 0.0; |
78f7defe ACM |
1956 | const char *color; |
1957 | char *path; | |
1491c22a | 1958 | int i; |
78f7defe | 1959 | |
8b4c74dc JO |
1960 | al = rb_entry(node, struct annotation_line, rb_node); |
1961 | for (i = 0; i < al->samples_nr; i++) { | |
1962 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1963 | color = get_percent_color(percent); |
1964 | color_fprintf(stdout, color, " %7.2f", percent); | |
1965 | ||
1966 | if (percent > percent_max) | |
1967 | percent_max = percent; | |
1968 | } | |
1969 | ||
8b4c74dc | 1970 | path = al->path; |
1491c22a | 1971 | color = get_percent_color(percent_max); |
f048d548 | 1972 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1973 | |
78f7defe ACM |
1974 | node = rb_next(node); |
1975 | } | |
1976 | } | |
1977 | ||
db8fd07a | 1978 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1979 | { |
1980 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1981 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1982 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1983 | |
1984 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1985 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1986 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1987 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1988 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1989 | } |
1990 | ||
f48e7c40 JO |
1991 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
1992 | { | |
1993 | char bf[32]; | |
1994 | struct annotation_line *line; | |
1995 | ||
1996 | list_for_each_entry_reverse(line, lines, node) { | |
1997 | if (line->offset != -1) | |
1998 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
1999 | } | |
2000 | ||
2001 | return 0; | |
2002 | } | |
2003 | ||
db8fd07a NK |
2004 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
2005 | struct perf_evsel *evsel, bool full_paths, | |
2006 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
2007 | { |
2008 | struct dso *dso = map->dso; | |
bfd14b9a DA |
2009 | char *filename; |
2010 | const char *d_filename; | |
9cdbadce | 2011 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 2012 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 2013 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 2014 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 2015 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 2016 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 2017 | int more = 0; |
78f7defe | 2018 | u64 len; |
ce9ee4a2 | 2019 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 2020 | int graph_dotted_len; |
787e4da9 | 2021 | char buf[512]; |
78f7defe | 2022 | |
bfd14b9a DA |
2023 | filename = strdup(dso->long_name); |
2024 | if (!filename) | |
2025 | return -ENOMEM; | |
2026 | ||
78f7defe ACM |
2027 | if (full_paths) |
2028 | d_filename = filename; | |
2029 | else | |
2030 | d_filename = basename(filename); | |
2031 | ||
1b2e2df4 | 2032 | len = symbol__size(sym); |
b1dd4432 | 2033 | |
787e4da9 | 2034 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 | 2035 | width *= evsel->nr_members; |
787e4da9 JY |
2036 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); |
2037 | evsel_name = buf; | |
2038 | } | |
78f7defe | 2039 | |
135cce1b | 2040 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
2041 | width, width, symbol_conf.show_total_period ? "Period" : |
2042 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 2043 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 2044 | |
53dd9b5f | 2045 | printf("%-*.*s----\n", |
9cdbadce | 2046 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 2047 | |
bb963e16 | 2048 | if (verbose > 0) |
db8fd07a | 2049 | symbol__annotate_hits(sym, evsel); |
78f7defe | 2050 | |
f48e7c40 JO |
2051 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
2052 | ||
8f25b819 JO |
2053 | list_for_each_entry(pos, ¬es->src->source, node) { |
2054 | int err; | |
2055 | ||
d5e3d747 ACM |
2056 | if (context && queue == NULL) { |
2057 | queue = pos; | |
2058 | queue_len = 0; | |
2059 | } | |
2060 | ||
8f25b819 JO |
2061 | err = annotation_line__print(pos, sym, start, evsel, len, |
2062 | min_pcnt, printed, max_lines, | |
f48e7c40 | 2063 | queue, addr_fmt_width); |
8f25b819 JO |
2064 | |
2065 | switch (err) { | |
36532461 ACM |
2066 | case 0: |
2067 | ++printed; | |
d5e3d747 ACM |
2068 | if (context) { |
2069 | printed += queue_len; | |
2070 | queue = NULL; | |
2071 | queue_len = 0; | |
2072 | } | |
36532461 ACM |
2073 | break; |
2074 | case 1: | |
2075 | /* filtered by max_lines */ | |
2076 | ++more; | |
d040bd36 | 2077 | break; |
36532461 ACM |
2078 | case -1: |
2079 | default: | |
d5e3d747 ACM |
2080 | /* |
2081 | * Filtered by min_pcnt or non IP lines when | |
2082 | * context != 0 | |
2083 | */ | |
2084 | if (!context) | |
2085 | break; | |
2086 | if (queue_len == context) | |
8f25b819 | 2087 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2088 | else |
2089 | ++queue_len; | |
36532461 ACM |
2090 | break; |
2091 | } | |
2092 | } | |
2093 | ||
bfd14b9a DA |
2094 | free(filename); |
2095 | ||
36532461 ACM |
2096 | return more; |
2097 | } | |
f1e2701d | 2098 | |
befd2a38 ACM |
2099 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2100 | double percent __maybe_unused, | |
2101 | bool current __maybe_unused) | |
2102 | { | |
2103 | } | |
2104 | ||
2105 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2106 | int nr __maybe_unused, bool current __maybe_unused) | |
2107 | { | |
2108 | return 0; | |
2109 | } | |
2110 | ||
2111 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2112 | { | |
2113 | return 0; | |
2114 | } | |
2115 | ||
2116 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2117 | { | |
2118 | va_list args; | |
2119 | ||
2120 | va_start(args, fmt); | |
2121 | vfprintf(fp, fmt, args); | |
2122 | va_end(args); | |
2123 | } | |
2124 | ||
2125 | static void FILE__write_graph(void *fp, int graph) | |
2126 | { | |
2127 | const char *s; | |
2128 | switch (graph) { | |
2129 | ||
2130 | case DARROW_CHAR: s = "↓"; break; | |
2131 | case UARROW_CHAR: s = "↑"; break; | |
2132 | case LARROW_CHAR: s = "←"; break; | |
2133 | case RARROW_CHAR: s = "→"; break; | |
2134 | default: s = "?"; break; | |
2135 | } | |
2136 | ||
2137 | fputs(s, fp); | |
2138 | } | |
2139 | ||
2140 | int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp) | |
2141 | { | |
2142 | struct annotation *notes = symbol__annotation(sym); | |
2143 | struct annotation_write_ops ops = { | |
2144 | .first_line = true, | |
2145 | .obj = fp, | |
2146 | .set_color = FILE__set_color, | |
2147 | .set_percent_color = FILE__set_percent_color, | |
2148 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2149 | .printf = FILE__printf, | |
2150 | .write_graph = FILE__write_graph, | |
2151 | }; | |
2152 | struct annotation_line *al; | |
2153 | ||
2154 | list_for_each_entry(al, ¬es->src->source, node) { | |
2155 | if (annotation_line__filter(al, notes)) | |
2156 | continue; | |
2157 | annotation_line__write(al, notes, &ops); | |
2158 | fputc('\n', fp); | |
2159 | ops.first_line = false; | |
2160 | } | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
d9bd7665 ACM |
2165 | int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel) |
2166 | { | |
2167 | const char *ev_name = perf_evsel__name(evsel); | |
2168 | char buf[1024]; | |
2169 | char *filename; | |
2170 | int err = -1; | |
2171 | FILE *fp; | |
2172 | ||
2173 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2174 | return -1; | |
2175 | ||
2176 | fp = fopen(filename, "w"); | |
2177 | if (fp == NULL) | |
2178 | goto out_free_filename; | |
2179 | ||
2180 | if (perf_evsel__is_group_event(evsel)) { | |
2181 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2182 | ev_name = buf; | |
2183 | } | |
2184 | ||
2185 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2186 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
2187 | symbol__annotate_fprintf2(ms->sym, fp); | |
2188 | ||
2189 | fclose(fp); | |
2190 | err = 0; | |
2191 | out_free_filename: | |
2192 | free(filename); | |
2193 | return err; | |
2194 | } | |
2195 | ||
36532461 ACM |
2196 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2197 | { | |
2198 | struct annotation *notes = symbol__annotation(sym); | |
2199 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2200 | ||
ce6f4fab | 2201 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2202 | } |
2203 | ||
ce6f4fab | 2204 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2205 | { |
2206 | struct annotation *notes = symbol__annotation(sym); | |
2207 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2208 | int len = symbol__size(sym), offset; |
36532461 | 2209 | |
8158683d | 2210 | h->nr_samples = 0; |
8b84a568 | 2211 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2212 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2213 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2214 | } |
2215 | } | |
2216 | ||
f8eb37bd | 2217 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2218 | { |
f8eb37bd | 2219 | struct annotation_line *al, *n; |
f1e2701d | 2220 | |
f8eb37bd JO |
2221 | list_for_each_entry_safe(al, n, &as->source, node) { |
2222 | list_del(&al->node); | |
2223 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
2224 | } |
2225 | } | |
2226 | ||
5145418b ACM |
2227 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2228 | { | |
2229 | size_t printed; | |
2230 | ||
d5490b96 JO |
2231 | if (dl->al.offset == -1) |
2232 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2233 | |
d5490b96 | 2234 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2235 | |
c7e6ead7 | 2236 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2237 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2238 | dl->ops.raw); |
5145418b ACM |
2239 | } |
2240 | ||
2241 | return printed + fprintf(fp, "\n"); | |
2242 | } | |
2243 | ||
2244 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2245 | { | |
2246 | struct disasm_line *pos; | |
2247 | size_t printed = 0; | |
2248 | ||
a17c4ca0 | 2249 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2250 | printed += disasm_line__fprintf(pos, fp); |
2251 | ||
2252 | return printed; | |
2253 | } | |
2254 | ||
2eff0611 | 2255 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2256 | { |
2257 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2258 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2259 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2260 | return false; | |
2261 | ||
2262 | return true; | |
2263 | } | |
2264 | ||
2265 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2266 | { | |
2267 | u64 offset, size = symbol__size(sym); | |
2268 | ||
2269 | /* PLT symbols contain external offsets */ | |
2270 | if (strstr(sym->name, "@plt")) | |
2271 | return; | |
2272 | ||
2273 | for (offset = 0; offset < size; ++offset) { | |
2274 | struct annotation_line *al = notes->offsets[offset]; | |
2275 | struct disasm_line *dl; | |
2276 | ||
2277 | dl = disasm_line(al); | |
2278 | ||
2eff0611 | 2279 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2280 | continue; |
2281 | ||
2282 | al = notes->offsets[dl->ops.target.offset]; | |
2283 | ||
2284 | /* | |
2285 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2286 | * have to adjust to the previous offset? | |
2287 | */ | |
2288 | if (al == NULL) | |
2289 | continue; | |
2290 | ||
2291 | if (++al->jump_sources > notes->max_jump_sources) | |
2292 | notes->max_jump_sources = al->jump_sources; | |
2293 | ||
2294 | ++notes->nr_jumps; | |
2295 | } | |
2296 | } | |
2297 | ||
5bc49f61 ACM |
2298 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2299 | { | |
2300 | struct annotation_line *al; | |
2301 | ||
2302 | notes->max_line_len = 0; | |
2303 | ||
2304 | list_for_each_entry(al, ¬es->src->source, node) { | |
2305 | size_t line_len = strlen(al->line); | |
2306 | ||
2307 | if (notes->max_line_len < line_len) | |
2308 | notes->max_line_len = line_len; | |
2309 | al->idx = notes->nr_entries++; | |
2310 | if (al->offset != -1) { | |
2311 | al->idx_asm = notes->nr_asm_entries++; | |
2312 | /* | |
2313 | * FIXME: short term bandaid to cope with assembly | |
2314 | * routines that comes with labels in the same column | |
2315 | * as the address in objdump, sigh. | |
2316 | * | |
2317 | * E.g. copy_user_generic_unrolled | |
2318 | */ | |
2319 | if (al->offset < size) | |
2320 | notes->offsets[al->offset] = al; | |
2321 | } else | |
2322 | al->idx_asm = -1; | |
2323 | } | |
2324 | } | |
2325 | ||
b8b0d819 ACM |
2326 | static inline int width_jumps(int n) |
2327 | { | |
2328 | if (n >= 100) | |
2329 | return 5; | |
2330 | if (n / 10) | |
2331 | return 2; | |
2332 | return 1; | |
2333 | } | |
2334 | ||
2335 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) | |
2336 | { | |
2337 | notes->widths.addr = notes->widths.target = | |
2338 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2339 | notes->widths.max_addr = hex_width(sym->end); | |
2340 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
2341 | } | |
2342 | ||
7232bf7a ACM |
2343 | void annotation__update_column_widths(struct annotation *notes) |
2344 | { | |
2345 | if (notes->options->use_offset) | |
2346 | notes->widths.target = notes->widths.min_addr; | |
2347 | else | |
2348 | notes->widths.target = notes->widths.max_addr; | |
2349 | ||
2350 | notes->widths.addr = notes->widths.target; | |
2351 | ||
2352 | if (notes->options->show_nr_jumps) | |
2353 | notes->widths.addr += notes->widths.jumps + 1; | |
2354 | } | |
2355 | ||
8b4c74dc | 2356 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
425859ff | 2357 | struct rb_root *root) |
8b4c74dc JO |
2358 | { |
2359 | struct annotation_line *al; | |
2360 | struct rb_root tmp_root = RB_ROOT; | |
2361 | ||
2362 | list_for_each_entry(al, ¬es->src->source, node) { | |
2363 | double percent_max = 0.0; | |
2364 | int i; | |
2365 | ||
2366 | for (i = 0; i < al->samples_nr; i++) { | |
2367 | struct annotation_data *sample; | |
2368 | ||
2369 | sample = &al->samples[i]; | |
2370 | ||
2371 | if (sample->percent > percent_max) | |
2372 | percent_max = sample->percent; | |
2373 | } | |
2374 | ||
2375 | if (percent_max <= 0.5) | |
2376 | continue; | |
2377 | ||
425859ff ACM |
2378 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2379 | false, true, notes->start + al->offset); | |
8b4c74dc JO |
2380 | insert_source_line(&tmp_root, al); |
2381 | } | |
2382 | ||
2383 | resort_source_line(root, &tmp_root); | |
2384 | } | |
2385 | ||
2386 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
2387 | struct rb_root *root) | |
2388 | { | |
2389 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2390 | |
425859ff | 2391 | annotation__calc_lines(notes, map, root); |
8b4c74dc JO |
2392 | } |
2393 | ||
befd2a38 ACM |
2394 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
2395 | struct perf_evsel *evsel, bool print_lines, | |
2396 | bool full_paths) | |
2397 | { | |
2398 | struct dso *dso = map->dso; | |
2399 | struct rb_root source_line = RB_ROOT; | |
35632892 | 2400 | struct annotation_options opts = annotation__default_options; |
520d3f01 | 2401 | struct annotation *notes = symbol__annotation(sym); |
864298f2 | 2402 | char buf[1024]; |
befd2a38 ACM |
2403 | |
2404 | if (symbol__annotate2(sym, map, evsel, &opts, NULL) < 0) | |
2405 | return -1; | |
2406 | ||
2407 | if (print_lines) { | |
2408 | srcline_full_filename = full_paths; | |
2409 | symbol__calc_lines(sym, map, &source_line); | |
2410 | print_summary(&source_line, dso->long_name); | |
2411 | } | |
2412 | ||
520d3f01 ACM |
2413 | annotation__scnprintf_samples_period(notes, buf, sizeof(buf), evsel); |
2414 | fprintf(stdout, "%s\n%s() %s\n", buf, sym->name, dso->long_name); | |
befd2a38 ACM |
2415 | symbol__annotate_fprintf2(sym, stdout); |
2416 | ||
2417 | annotated_source__purge(symbol__annotation(sym)->src); | |
2418 | ||
2419 | return 0; | |
2420 | } | |
2421 | ||
db8fd07a NK |
2422 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
2423 | struct perf_evsel *evsel, bool print_lines, | |
2424 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
2425 | { |
2426 | struct dso *dso = map->dso; | |
f1e2701d | 2427 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2428 | |
5449f13c | 2429 | if (symbol__annotate(sym, map, evsel, 0, NULL) < 0) |
f1e2701d ACM |
2430 | return -1; |
2431 | ||
05d3f1a1 JO |
2432 | symbol__calc_percent(sym, evsel); |
2433 | ||
f1e2701d | 2434 | if (print_lines) { |
4a4c03c1 | 2435 | srcline_full_filename = full_paths; |
8b4c74dc | 2436 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 2437 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2438 | } |
2439 | ||
db8fd07a | 2440 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 2441 | min_pcnt, max_lines, 0); |
78f7defe | 2442 | |
f8eb37bd | 2443 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2444 | |
78f7defe ACM |
2445 | return 0; |
2446 | } | |
f626adff | 2447 | |
48c65bda NK |
2448 | bool ui__has_annotation(void) |
2449 | { | |
2e0453af | 2450 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2451 | } |
ecda45bd | 2452 | |
2f025ea0 ACM |
2453 | |
2454 | double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes) | |
2455 | { | |
2456 | double percent_max = 0.0; | |
2457 | int i; | |
2458 | ||
2459 | for (i = 0; i < notes->nr_events; i++) { | |
2460 | if (al->samples[i].percent > percent_max) | |
2461 | percent_max = al->samples[i].percent; | |
2462 | } | |
2463 | ||
2464 | return percent_max; | |
2465 | } | |
2466 | ||
a1e9b74c ACM |
2467 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2468 | void *obj, char *bf, size_t size, | |
2469 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2470 | void (*obj__write_graph)(void *obj, int graph)) | |
2471 | { | |
2472 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2473 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2474 | bool fwd; |
a1e9b74c | 2475 | |
751b1783 ACM |
2476 | if (dl->ops.target.outside) |
2477 | goto call_like; | |
2478 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2479 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2480 | obj__printf(obj, " "); | |
2481 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2482 | call_like: |
a1e9b74c ACM |
2483 | obj__write_graph(obj, RARROW_CHAR); |
2484 | obj__printf(obj, " "); | |
2485 | } else if (ins__is_ret(&dl->ins)) { | |
2486 | obj__write_graph(obj, LARROW_CHAR); | |
2487 | obj__printf(obj, " "); | |
2488 | } else { | |
2489 | obj__printf(obj, " "); | |
2490 | } | |
2491 | } else { | |
2492 | obj__printf(obj, " "); | |
2493 | } | |
2494 | ||
2495 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); | |
2496 | } | |
2497 | ||
c298304b ACM |
2498 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2499 | bool first_line, bool current_entry, bool change_color, int width, | |
2500 | void *obj, | |
2501 | int (*obj__set_color)(void *obj, int color), | |
2502 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2503 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2504 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2505 | void (*obj__write_graph)(void *obj, int graph)) | |
2506 | ||
2ba5eca1 ACM |
2507 | { |
2508 | double percent_max = annotation_line__max_percent(al, notes); | |
a1e9b74c ACM |
2509 | int pcnt_width = annotation__pcnt_width(notes), |
2510 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2511 | bool show_title = false; |
a1e9b74c ACM |
2512 | char bf[256]; |
2513 | int printed; | |
2ba5eca1 ACM |
2514 | |
2515 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2516 | if (notes->have_cycles) { | |
2517 | if (al->ipc == 0.0 && al->cycles == 0) | |
2518 | show_title = true; | |
2519 | } else | |
2520 | show_title = true; | |
2521 | } | |
2522 | ||
2ba5eca1 ACM |
2523 | if (al->offset != -1 && percent_max != 0.0) { |
2524 | int i; | |
2525 | ||
2526 | for (i = 0; i < notes->nr_events; i++) { | |
2527 | obj__set_percent_color(obj, al->samples[i].percent, current_entry); | |
2528 | if (notes->options->show_total_period) { | |
2529 | obj__printf(obj, "%11" PRIu64 " ", al->samples[i].he.period); | |
2530 | } else if (notes->options->show_nr_samples) { | |
2531 | obj__printf(obj, "%6" PRIu64 " ", | |
2532 | al->samples[i].he.nr_samples); | |
2533 | } else { | |
2534 | obj__printf(obj, "%6.2f ", | |
2535 | al->samples[i].percent); | |
2536 | } | |
2537 | } | |
2538 | } else { | |
2ba5eca1 ACM |
2539 | obj__set_percent_color(obj, 0, current_entry); |
2540 | ||
2541 | if (!show_title) | |
a1e9b74c | 2542 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2543 | else { |
a1e9b74c | 2544 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2545 | notes->options->show_total_period ? "Period" : |
2546 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2547 | } | |
2548 | } | |
2549 | ||
2550 | if (notes->have_cycles) { | |
2551 | if (al->ipc) | |
2552 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2553 | else if (!show_title) | |
2554 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2555 | else | |
2556 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2557 | ||
3e71fc03 JY |
2558 | if (!notes->options->show_minmax_cycle) { |
2559 | if (al->cycles) | |
2560 | obj__printf(obj, "%*" PRIu64 " ", | |
2ba5eca1 | 2561 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); |
3e71fc03 JY |
2562 | else if (!show_title) |
2563 | obj__printf(obj, "%*s", | |
2564 | ANNOTATION__CYCLES_WIDTH, " "); | |
2565 | else | |
2566 | obj__printf(obj, "%*s ", | |
2567 | ANNOTATION__CYCLES_WIDTH - 1, | |
2568 | "Cycle"); | |
2569 | } else { | |
2570 | if (al->cycles) { | |
2571 | char str[32]; | |
2572 | ||
2573 | scnprintf(str, sizeof(str), | |
2574 | "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")", | |
2575 | al->cycles, al->cycles_min, | |
2576 | al->cycles_max); | |
2577 | ||
2578 | obj__printf(obj, "%*s ", | |
2579 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2580 | str); | |
2581 | } else if (!show_title) | |
2582 | obj__printf(obj, "%*s", | |
2583 | ANNOTATION__MINMAX_CYCLES_WIDTH, | |
2584 | " "); | |
2585 | else | |
2586 | obj__printf(obj, "%*s ", | |
2587 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2588 | "Cycle(min/max)"); | |
2589 | } | |
2ba5eca1 ACM |
2590 | } |
2591 | ||
2592 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2593 | |
2594 | if (!*al->line) | |
2595 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2596 | else if (al->offset == -1) { | |
2597 | if (al->line_nr && notes->options->show_linenr) | |
2598 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2599 | else | |
2600 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2601 | obj__printf(obj, bf); | |
2602 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2603 | } else { | |
2604 | u64 addr = al->offset; | |
2605 | int color = -1; | |
2606 | ||
2607 | if (!notes->options->use_offset) | |
2608 | addr += notes->start; | |
2609 | ||
2610 | if (!notes->options->use_offset) { | |
2611 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2612 | } else { | |
592c10e2 ACM |
2613 | if (al->jump_sources && |
2614 | notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { | |
a1e9b74c ACM |
2615 | if (notes->options->show_nr_jumps) { |
2616 | int prev; | |
2617 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2618 | notes->widths.jumps, | |
2619 | al->jump_sources); | |
2620 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2621 | current_entry); | |
2622 | obj__printf(obj, bf); | |
2623 | obj__set_color(obj, prev); | |
2624 | } | |
592c10e2 | 2625 | print_addr: |
a1e9b74c ACM |
2626 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", |
2627 | notes->widths.target, addr); | |
592c10e2 ACM |
2628 | } else if (ins__is_call(&disasm_line(al)->ins) && |
2629 | notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { | |
2630 | goto print_addr; | |
2631 | } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { | |
2632 | goto print_addr; | |
a1e9b74c ACM |
2633 | } else { |
2634 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2635 | notes->widths.addr, " "); | |
2636 | } | |
2637 | } | |
2638 | ||
2639 | if (change_color) | |
2640 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2641 | obj__printf(obj, bf); | |
2642 | if (change_color) | |
2643 | obj__set_color(obj, color); | |
2644 | ||
2645 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2646 | ||
2647 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2648 | } | |
2649 | ||
2ba5eca1 ACM |
2650 | } |
2651 | ||
c298304b ACM |
2652 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2653 | struct annotation_write_ops *ops) | |
2654 | { | |
2655 | __annotation_line__write(al, notes, ops->first_line, ops->current_entry, | |
2656 | ops->change_color, ops->width, ops->obj, | |
2657 | ops->set_color, ops->set_percent_color, | |
2658 | ops->set_jumps_percent_color, ops->printf, | |
2659 | ops->write_graph); | |
2660 | } | |
2661 | ||
ecda45bd ACM |
2662 | int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, |
2663 | struct annotation_options *options, struct arch **parch) | |
2664 | { | |
2665 | struct annotation *notes = symbol__annotation(sym); | |
2666 | size_t size = symbol__size(sym); | |
2667 | int nr_pcnt = 1, err; | |
2668 | ||
2669 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2670 | if (notes->offsets == NULL) | |
2671 | return -1; | |
2672 | ||
2673 | if (perf_evsel__is_group_event(evsel)) | |
2674 | nr_pcnt = evsel->nr_members; | |
2675 | ||
2676 | err = symbol__annotate(sym, map, evsel, 0, parch); | |
2677 | if (err) | |
2678 | goto out_free_offsets; | |
2679 | ||
2680 | notes->options = options; | |
2681 | ||
2682 | symbol__calc_percent(sym, evsel); | |
2683 | ||
2684 | notes->start = map__rip_2objdump(map, sym->start); | |
2685 | ||
2686 | annotation__set_offsets(notes, size); | |
2687 | annotation__mark_jump_targets(notes, sym); | |
2688 | annotation__compute_ipc(notes, size); | |
2689 | annotation__init_column_widths(notes, sym); | |
2690 | notes->nr_events = nr_pcnt; | |
2691 | ||
2692 | annotation__update_column_widths(notes); | |
2693 | ||
2694 | return 0; | |
2695 | ||
2696 | out_free_offsets: | |
2697 | zfree(¬es->offsets); | |
2698 | return -1; | |
2699 | } | |
7f0b6fde | 2700 | |
b213eac2 ACM |
2701 | int __annotation__scnprintf_samples_period(struct annotation *notes, |
2702 | char *bf, size_t size, | |
2703 | struct perf_evsel *evsel, | |
2704 | bool show_freq) | |
2705 | { | |
2706 | const char *ev_name = perf_evsel__name(evsel); | |
c0459a09 | 2707 | char buf[1024], ref[30] = " show reference callgraph, "; |
b213eac2 ACM |
2708 | char sample_freq_str[64] = ""; |
2709 | unsigned long nr_samples = 0; | |
2710 | int nr_members = 1; | |
2711 | bool enable_ref = false; | |
2712 | u64 nr_events = 0; | |
2713 | char unit; | |
2714 | int i; | |
2715 | ||
c0459a09 ACM |
2716 | if (perf_evsel__is_group_event(evsel)) { |
2717 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2718 | ev_name = buf; | |
b213eac2 | 2719 | nr_members = evsel->nr_members; |
c0459a09 | 2720 | } |
b213eac2 ACM |
2721 | |
2722 | for (i = 0; i < nr_members; i++) { | |
2723 | struct sym_hist *ah = annotation__histogram(notes, evsel->idx + i); | |
2724 | ||
2725 | nr_samples += ah->nr_samples; | |
2726 | nr_events += ah->period; | |
2727 | } | |
2728 | ||
2729 | if (symbol_conf.show_ref_callgraph && strstr(ev_name, "call-graph=no")) | |
2730 | enable_ref = true; | |
2731 | ||
2732 | if (show_freq) | |
2733 | scnprintf(sample_freq_str, sizeof(sample_freq_str), " %d Hz,", evsel->attr.sample_freq); | |
2734 | ||
2735 | nr_samples = convert_unit(nr_samples, &unit); | |
2736 | return scnprintf(bf, size, "Samples: %lu%c of event%s '%s',%s%sEvent count (approx.): %" PRIu64, | |
2737 | nr_samples, unit, evsel->nr_members > 1 ? "s" : "", | |
2738 | ev_name, sample_freq_str, enable_ref ? ref : " ", nr_events); | |
2739 | } | |
2740 | ||
7f0b6fde ACM |
2741 | #define ANNOTATION__CFG(n) \ |
2742 | { .name = #n, .value = &annotation__default_options.n, } | |
2743 | ||
2744 | /* | |
2745 | * Keep the entries sorted, they are bsearch'ed | |
2746 | */ | |
2747 | static struct annotation_config { | |
2748 | const char *name; | |
43c40231 | 2749 | void *value; |
7f0b6fde ACM |
2750 | } annotation__configs[] = { |
2751 | ANNOTATION__CFG(hide_src_code), | |
2752 | ANNOTATION__CFG(jump_arrows), | |
43c40231 | 2753 | ANNOTATION__CFG(offset_level), |
7f0b6fde ACM |
2754 | ANNOTATION__CFG(show_linenr), |
2755 | ANNOTATION__CFG(show_nr_jumps), | |
2756 | ANNOTATION__CFG(show_nr_samples), | |
2757 | ANNOTATION__CFG(show_total_period), | |
2758 | ANNOTATION__CFG(use_offset), | |
2759 | }; | |
2760 | ||
2761 | #undef ANNOTATION__CFG | |
2762 | ||
2763 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
2764 | { | |
2765 | const struct annotation_config *cfg = cfgp; | |
2766 | ||
2767 | return strcmp(name, cfg->name); | |
2768 | } | |
2769 | ||
2770 | static int annotation__config(const char *var, const char *value, | |
2771 | void *data __maybe_unused) | |
2772 | { | |
2773 | struct annotation_config *cfg; | |
2774 | const char *name; | |
2775 | ||
2776 | if (!strstarts(var, "annotate.")) | |
2777 | return 0; | |
2778 | ||
2779 | name = var + 9; | |
2780 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
2781 | sizeof(struct annotation_config), annotation_config__cmp); | |
2782 | ||
2783 | if (cfg == NULL) | |
2784 | pr_debug("%s variable unknown, ignoring...", var); | |
43c40231 ACM |
2785 | else if (strcmp(var, "annotate.offset_level") == 0) { |
2786 | perf_config_int(cfg->value, name, value); | |
2787 | ||
2788 | if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) | |
2789 | *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; | |
2790 | else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) | |
2791 | *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; | |
2792 | } else { | |
2793 | *(bool *)cfg->value = perf_config_bool(name, value); | |
2794 | } | |
7f0b6fde ACM |
2795 | return 0; |
2796 | } | |
2797 | ||
2798 | void annotation_config__init(void) | |
2799 | { | |
2800 | perf_config(annotation__config, NULL); | |
2801 | ||
2802 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
2803 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
2804 | } |