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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" |
70fbe057 | 24 | #include "block-range.h" |
a067558e | 25 | #include "string2.h" |
786c1b51 | 26 | #include "arch/common.h" |
e592488c | 27 | #include <regex.h> |
ce6f4fab | 28 | #include <pthread.h> |
4383db88 | 29 | #include <linux/bitops.h> |
877a7a11 | 30 | #include <linux/kernel.h> |
78f7defe | 31 | |
a1e9b74c ACM |
32 | /* FIXME: For the HE_COLORSET */ |
33 | #include "ui/browser.h" | |
34 | ||
35 | /* | |
36 | * FIXME: Using the same values as slang.h, | |
37 | * but that header may not be available everywhere | |
38 | */ | |
c298304b ACM |
39 | #define LARROW_CHAR ((unsigned char)',') |
40 | #define RARROW_CHAR ((unsigned char)'+') | |
41 | #define DARROW_CHAR ((unsigned char)'.') | |
42 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 43 | |
3d689ed6 ACM |
44 | #include "sane_ctype.h" |
45 | ||
7f0b6fde ACM |
46 | struct annotation_options annotation__default_options = { |
47 | .use_offset = true, | |
48 | .jump_arrows = true, | |
592c10e2 | 49 | .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, |
7f0b6fde ACM |
50 | }; |
51 | ||
f69b64f7 | 52 | const char *disassembler_style; |
7a4ec938 | 53 | const char *objdump_path; |
e592488c | 54 | static regex_t file_lineno; |
f69b64f7 | 55 | |
75b49202 | 56 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 57 | static void ins__sort(struct arch *arch); |
75b49202 | 58 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 59 | |
786c1b51 ACM |
60 | struct arch { |
61 | const char *name; | |
763d8960 ACM |
62 | struct ins *instructions; |
63 | size_t nr_instructions; | |
2a1ff812 ACM |
64 | size_t nr_instructions_allocated; |
65 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 66 | bool sorted_instructions; |
0781ea92 ACM |
67 | bool initialized; |
68 | void *priv; | |
69fb09f6 JY |
69 | unsigned int model; |
70 | unsigned int family; | |
696e2457 | 71 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
72 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
73 | const char *ins2); | |
786c1b51 ACM |
74 | struct { |
75 | char comment_char; | |
9c2fb451 | 76 | char skip_functions_char; |
786c1b51 ACM |
77 | } objdump; |
78 | }; | |
79 | ||
763d8960 ACM |
80 | static struct ins_ops call_ops; |
81 | static struct ins_ops dec_ops; | |
82 | static struct ins_ops jump_ops; | |
83 | static struct ins_ops mov_ops; | |
84 | static struct ins_ops nop_ops; | |
85 | static struct ins_ops lock_ops; | |
86 | static struct ins_ops ret_ops; | |
87 | ||
2a1ff812 ACM |
88 | static int arch__grow_instructions(struct arch *arch) |
89 | { | |
90 | struct ins *new_instructions; | |
91 | size_t new_nr_allocated; | |
92 | ||
93 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
94 | goto grow_from_non_allocated_table; | |
95 | ||
96 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
97 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
98 | if (new_instructions == NULL) | |
99 | return -1; | |
100 | ||
101 | out_update_instructions: | |
102 | arch->instructions = new_instructions; | |
103 | arch->nr_instructions_allocated = new_nr_allocated; | |
104 | return 0; | |
105 | ||
106 | grow_from_non_allocated_table: | |
107 | new_nr_allocated = arch->nr_instructions + 128; | |
108 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
109 | if (new_instructions == NULL) | |
110 | return -1; | |
111 | ||
112 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
113 | goto out_update_instructions; | |
114 | } | |
115 | ||
acc9bfb5 | 116 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
117 | { |
118 | struct ins *ins; | |
119 | ||
120 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
121 | arch__grow_instructions(arch)) | |
122 | return -1; | |
123 | ||
124 | ins = &arch->instructions[arch->nr_instructions]; | |
125 | ins->name = strdup(name); | |
126 | if (!ins->name) | |
127 | return -1; | |
128 | ||
129 | ins->ops = ops; | |
130 | arch->nr_instructions++; | |
131 | ||
132 | ins__sort(arch); | |
133 | return 0; | |
134 | } | |
135 | ||
763d8960 | 136 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 137 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 138 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 139 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 140 | #include "arch/s390/annotate/instructions.c" |
763d8960 | 141 | |
786c1b51 ACM |
142 | static struct arch architectures[] = { |
143 | { | |
144 | .name = "arm", | |
acc9bfb5 | 145 | .init = arm__annotate_init, |
786c1b51 | 146 | }, |
0fcb1da4 KP |
147 | { |
148 | .name = "arm64", | |
149 | .init = arm64__annotate_init, | |
150 | }, | |
786c1b51 ACM |
151 | { |
152 | .name = "x86", | |
696e2457 | 153 | .init = x86__annotate_init, |
763d8960 ACM |
154 | .instructions = x86__instructions, |
155 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 156 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
157 | .objdump = { |
158 | .comment_char = '#', | |
159 | }, | |
160 | }, | |
dbdebdc5 RB |
161 | { |
162 | .name = "powerpc", | |
163 | .init = powerpc__annotate_init, | |
164 | }, | |
e77852b3 CB |
165 | { |
166 | .name = "s390", | |
d9f8dfa9 | 167 | .init = s390__annotate_init, |
e77852b3 CB |
168 | .objdump = { |
169 | .comment_char = '#', | |
170 | }, | |
171 | }, | |
786c1b51 ACM |
172 | }; |
173 | ||
c46219ac ACM |
174 | static void ins__delete(struct ins_operands *ops) |
175 | { | |
3995614d ACM |
176 | if (ops == NULL) |
177 | return; | |
74cf249d ACM |
178 | zfree(&ops->source.raw); |
179 | zfree(&ops->source.name); | |
180 | zfree(&ops->target.raw); | |
181 | zfree(&ops->target.name); | |
c46219ac ACM |
182 | } |
183 | ||
5417072b ACM |
184 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
185 | struct ins_operands *ops) | |
186 | { | |
648388ae | 187 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
188 | } |
189 | ||
190 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
191 | struct ins_operands *ops) | |
192 | { | |
193 | if (ins->ops->scnprintf) | |
194 | return ins->ops->scnprintf(ins, bf, size, ops); | |
195 | ||
196 | return ins__raw_scnprintf(ins, bf, size, ops); | |
197 | } | |
198 | ||
69fb09f6 JY |
199 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
200 | { | |
201 | if (!arch || !arch->ins_is_fused) | |
202 | return false; | |
203 | ||
204 | return arch->ins_is_fused(arch, ins1, ins2); | |
205 | } | |
206 | ||
85a84e4f | 207 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 208 | { |
d2232885 | 209 | char *endptr, *tok, *name; |
85a84e4f | 210 | struct map *map = ms->map; |
696703af ACM |
211 | struct addr_map_symbol target = { |
212 | .map = map, | |
213 | }; | |
d2232885 | 214 | |
44d1a3ed | 215 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
216 | |
217 | name = strchr(endptr, '<'); | |
218 | if (name == NULL) | |
219 | goto indirect_call; | |
220 | ||
221 | name++; | |
222 | ||
9c2fb451 ACM |
223 | if (arch->objdump.skip_functions_char && |
224 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 225 | return -1; |
cfef25b8 | 226 | |
d2232885 ACM |
227 | tok = strchr(name, '>'); |
228 | if (tok == NULL) | |
229 | return -1; | |
230 | ||
231 | *tok = '\0'; | |
44d1a3ed | 232 | ops->target.name = strdup(name); |
d2232885 ACM |
233 | *tok = '>'; |
234 | ||
696703af ACM |
235 | if (ops->target.name == NULL) |
236 | return -1; | |
237 | find_target: | |
238 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 239 | |
696703af ACM |
240 | if (map_groups__find_ams(&target) == 0 && |
241 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
242 | ops->target.sym = target.sym; | |
e8ea1561 | 243 | |
d86b0597 | 244 | return 0; |
696703af ACM |
245 | |
246 | indirect_call: | |
247 | tok = strchr(endptr, '*'); | |
248 | if (tok != NULL) | |
249 | ops->target.addr = strtoull(tok + 1, NULL, 16); | |
250 | goto find_target; | |
d86b0597 ACM |
251 | } |
252 | ||
d2232885 | 253 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 254 | struct ins_operands *ops) |
d2232885 | 255 | { |
696703af ACM |
256 | if (ops->target.sym) |
257 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 258 | |
e8ea1561 ACM |
259 | if (ops->target.addr == 0) |
260 | return ins__raw_scnprintf(ins, bf, size, ops); | |
261 | ||
4c9cb2c2 ACM |
262 | if (ops->target.name) |
263 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); | |
264 | ||
648388ae | 265 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
266 | } |
267 | ||
d86b0597 | 268 | static struct ins_ops call_ops = { |
d2232885 ACM |
269 | .parse = call__parse, |
270 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
271 | }; |
272 | ||
273 | bool ins__is_call(const struct ins *ins) | |
274 | { | |
0b58a77c | 275 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
276 | } |
277 | ||
751b1783 | 278 | static int jump__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms) |
4f9d0325 | 279 | { |
751b1783 ACM |
280 | struct map *map = ms->map; |
281 | struct symbol *sym = ms->sym; | |
282 | struct addr_map_symbol target = { | |
283 | .map = map, | |
284 | }; | |
3ee2eb6d | 285 | const char *c = strchr(ops->raw, ','); |
751b1783 ACM |
286 | u64 start, end; |
287 | /* | |
288 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
289 | * function: | |
290 | * | |
291 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
292 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
293 | * | |
294 | * The first is a jump to an offset inside the same function, | |
295 | * the second is to another function, i.e. that 0xa72 is an | |
296 | * offset in the cpp_named_operator2name@@base function. | |
297 | */ | |
b13bbeee KP |
298 | /* |
299 | * skip over possible up to 2 operands to get to address, e.g.: | |
300 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
301 | */ | |
302 | if (c++ != NULL) { | |
3ee2eb6d | 303 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
304 | if (!ops->target.addr) { |
305 | c = strchr(c, ','); | |
306 | if (c++ != NULL) | |
307 | ops->target.addr = strtoull(c, NULL, 16); | |
308 | } | |
309 | } else { | |
3ee2eb6d | 310 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 311 | } |
fb29fa58 | 312 | |
751b1783 ACM |
313 | target.addr = map__objdump_2mem(map, ops->target.addr); |
314 | start = map->unmap_ip(map, sym->start), | |
315 | end = map->unmap_ip(map, sym->end); | |
316 | ||
317 | ops->target.outside = target.addr < start || target.addr > end; | |
318 | ||
319 | /* | |
320 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
321 | ||
322 | cpp_named_operator2name@@Base+0xa72 | |
323 | ||
324 | * Point to a place that is after the cpp_named_operator2name | |
325 | * boundaries, i.e. in the ELF symbol table for cc1 | |
326 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
327 | * fact is much larger than that, so we seem to need a symbols__find() | |
328 | * routine that looks for >= current->start and < next_symbol->start, | |
329 | * possibly just for C++ objects? | |
330 | * | |
331 | * For now lets just make some progress by marking jumps to outside the | |
332 | * current function as call like. | |
333 | * | |
334 | * Actual navigation will come next, with further understanding of how | |
335 | * the symbol searching and disassembly should be done. | |
e4cc91b8 | 336 | */ |
751b1783 ACM |
337 | if (map_groups__find_ams(&target) == 0 && |
338 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
339 | ops->target.sym = target.sym; | |
751b1783 | 340 | |
980b68ec ACM |
341 | if (!ops->target.outside) { |
342 | ops->target.offset = target.addr - start; | |
e216874c RB |
343 | ops->target.offset_avail = true; |
344 | } else { | |
345 | ops->target.offset_avail = false; | |
346 | } | |
4f9d0325 | 347 | |
4f9d0325 ACM |
348 | return 0; |
349 | } | |
350 | ||
c7e6ead7 | 351 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 352 | struct ins_operands *ops) |
28548d78 | 353 | { |
c448234c | 354 | const char *c; |
b13bbeee | 355 | |
e216874c | 356 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
357 | return ins__raw_scnprintf(ins, bf, size, ops); |
358 | ||
e4cc91b8 ACM |
359 | if (ops->target.outside && ops->target.sym != NULL) |
360 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
361 | ||
c448234c | 362 | c = strchr(ops->raw, ','); |
b13bbeee KP |
363 | if (c != NULL) { |
364 | const char *c2 = strchr(c + 1, ','); | |
365 | ||
366 | /* check for 3-op insn */ | |
367 | if (c2 != NULL) | |
368 | c = c2; | |
369 | c++; | |
370 | ||
371 | /* mirror arch objdump's space-after-comma style */ | |
372 | if (*c == ' ') | |
373 | c++; | |
374 | } | |
375 | ||
648388ae | 376 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
377 | ins->name, c ? c - ops->raw : 0, ops->raw, |
378 | ops->target.offset); | |
28548d78 ACM |
379 | } |
380 | ||
4f9d0325 | 381 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
382 | .parse = jump__parse, |
383 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
384 | }; |
385 | ||
386 | bool ins__is_jump(const struct ins *ins) | |
387 | { | |
388 | return ins->ops == &jump_ops; | |
389 | } | |
390 | ||
6de783b6 ACM |
391 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
392 | { | |
393 | char *endptr, *name, *t; | |
394 | ||
395 | if (strstr(raw, "(%rip)") == NULL) | |
396 | return 0; | |
397 | ||
398 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
399 | if (endptr == comment) |
400 | return 0; | |
6de783b6 ACM |
401 | name = strchr(endptr, '<'); |
402 | if (name == NULL) | |
403 | return -1; | |
404 | ||
405 | name++; | |
406 | ||
407 | t = strchr(name, '>'); | |
408 | if (t == NULL) | |
409 | return 0; | |
410 | ||
411 | *t = '\0'; | |
412 | *namep = strdup(name); | |
413 | *t = '>'; | |
414 | ||
415 | return 0; | |
416 | } | |
417 | ||
85a84e4f | 418 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 419 | { |
7a997fe4 ACM |
420 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
421 | if (ops->locked.ops == NULL) | |
422 | return 0; | |
423 | ||
75b49202 | 424 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
425 | goto out_free_ops; |
426 | ||
75b49202 | 427 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 428 | |
75b49202 | 429 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 430 | goto out_free_ops; |
7a997fe4 | 431 | |
75b49202 | 432 | if (ops->locked.ins.ops->parse && |
85a84e4f | 433 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 434 | goto out_free_ops; |
7a997fe4 ACM |
435 | |
436 | return 0; | |
437 | ||
438 | out_free_ops: | |
04662523 | 439 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
440 | return 0; |
441 | } | |
442 | ||
443 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
444 | struct ins_operands *ops) | |
445 | { | |
446 | int printed; | |
447 | ||
75b49202 | 448 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
449 | return ins__raw_scnprintf(ins, bf, size, ops); |
450 | ||
648388ae | 451 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 452 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
453 | size - printed, ops->locked.ops); |
454 | } | |
455 | ||
c46219ac ACM |
456 | static void lock__delete(struct ins_operands *ops) |
457 | { | |
75b49202 | 458 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 459 | |
75b49202 | 460 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
461 | ins->ops->free(ops->locked.ops); |
462 | else | |
463 | ins__delete(ops->locked.ops); | |
464 | ||
74cf249d ACM |
465 | zfree(&ops->locked.ops); |
466 | zfree(&ops->target.raw); | |
467 | zfree(&ops->target.name); | |
c46219ac ACM |
468 | } |
469 | ||
7a997fe4 | 470 | static struct ins_ops lock_ops = { |
c46219ac | 471 | .free = lock__delete, |
7a997fe4 ACM |
472 | .parse = lock__parse, |
473 | .scnprintf = lock__scnprintf, | |
474 | }; | |
475 | ||
85a84e4f | 476 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
477 | { |
478 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
479 | ||
480 | if (s == NULL) | |
481 | return -1; | |
482 | ||
483 | *s = '\0'; | |
484 | ops->source.raw = strdup(ops->raw); | |
485 | *s = ','; | |
48000a1a | 486 | |
6de783b6 ACM |
487 | if (ops->source.raw == NULL) |
488 | return -1; | |
489 | ||
490 | target = ++s; | |
786c1b51 | 491 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
492 | |
493 | if (comment != NULL) | |
494 | s = comment - 1; | |
495 | else | |
496 | s = strchr(s, '\0') - 1; | |
6de783b6 | 497 | |
1e2bb043 AC |
498 | while (s > target && isspace(s[0])) |
499 | --s; | |
500 | s++; | |
6de783b6 ACM |
501 | prev = *s; |
502 | *s = '\0'; | |
503 | ||
504 | ops->target.raw = strdup(target); | |
505 | *s = prev; | |
506 | ||
507 | if (ops->target.raw == NULL) | |
508 | goto out_free_source; | |
509 | ||
6de783b6 ACM |
510 | if (comment == NULL) |
511 | return 0; | |
512 | ||
4597cf06 | 513 | comment = ltrim(comment); |
35a8a148 TR |
514 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
515 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
516 | |
517 | return 0; | |
518 | ||
519 | out_free_source: | |
04662523 | 520 | zfree(&ops->source.raw); |
6de783b6 ACM |
521 | return -1; |
522 | } | |
523 | ||
524 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
525 | struct ins_operands *ops) | |
526 | { | |
648388ae | 527 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
528 | ops->source.name ?: ops->source.raw, |
529 | ops->target.name ?: ops->target.raw); | |
530 | } | |
531 | ||
532 | static struct ins_ops mov_ops = { | |
533 | .parse = mov__parse, | |
534 | .scnprintf = mov__scnprintf, | |
535 | }; | |
536 | ||
85a84e4f | 537 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
538 | { |
539 | char *target, *comment, *s, prev; | |
540 | ||
541 | target = s = ops->raw; | |
542 | ||
543 | while (s[0] != '\0' && !isspace(s[0])) | |
544 | ++s; | |
545 | prev = *s; | |
546 | *s = '\0'; | |
547 | ||
548 | ops->target.raw = strdup(target); | |
549 | *s = prev; | |
550 | ||
551 | if (ops->target.raw == NULL) | |
552 | return -1; | |
553 | ||
859afa6c | 554 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
555 | if (comment == NULL) |
556 | return 0; | |
557 | ||
4597cf06 | 558 | comment = ltrim(comment); |
35a8a148 | 559 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
560 | |
561 | return 0; | |
562 | } | |
563 | ||
564 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
565 | struct ins_operands *ops) | |
566 | { | |
648388ae | 567 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
568 | ops->target.name ?: ops->target.raw); |
569 | } | |
570 | ||
571 | static struct ins_ops dec_ops = { | |
572 | .parse = dec__parse, | |
573 | .scnprintf = dec__scnprintf, | |
574 | }; | |
575 | ||
1d037ca1 IT |
576 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
577 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 578 | { |
648388ae | 579 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
580 | } |
581 | ||
582 | static struct ins_ops nop_ops = { | |
583 | .scnprintf = nop__scnprintf, | |
584 | }; | |
585 | ||
6ef94929 NR |
586 | static struct ins_ops ret_ops = { |
587 | .scnprintf = ins__raw_scnprintf, | |
588 | }; | |
589 | ||
590 | bool ins__is_ret(const struct ins *ins) | |
591 | { | |
592 | return ins->ops == &ret_ops; | |
593 | } | |
594 | ||
7e63a13a JY |
595 | bool ins__is_lock(const struct ins *ins) |
596 | { | |
597 | return ins->ops == &lock_ops; | |
598 | } | |
599 | ||
7e4c1498 | 600 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
601 | { |
602 | const struct ins *ins = insp; | |
603 | ||
604 | return strcmp(name, ins->name); | |
605 | } | |
606 | ||
7e4c1498 CR |
607 | static int ins__cmp(const void *a, const void *b) |
608 | { | |
609 | const struct ins *ia = a; | |
610 | const struct ins *ib = b; | |
611 | ||
612 | return strcmp(ia->name, ib->name); | |
613 | } | |
614 | ||
763d8960 | 615 | static void ins__sort(struct arch *arch) |
7e4c1498 | 616 | { |
763d8960 | 617 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 618 | |
763d8960 | 619 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
620 | } |
621 | ||
2a1ff812 | 622 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 623 | { |
75b49202 | 624 | struct ins *ins; |
763d8960 | 625 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 626 | |
763d8960 ACM |
627 | if (!arch->sorted_instructions) { |
628 | ins__sort(arch); | |
629 | arch->sorted_instructions = true; | |
7e4c1498 | 630 | } |
4f9d0325 | 631 | |
75b49202 ACM |
632 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
633 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
634 | } |
635 | ||
2a1ff812 ACM |
636 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
637 | { | |
638 | struct ins_ops *ops = __ins__find(arch, name); | |
639 | ||
640 | if (!ops && arch->associate_instruction_ops) | |
641 | ops = arch->associate_instruction_ops(arch, name); | |
642 | ||
643 | return ops; | |
644 | } | |
645 | ||
786c1b51 ACM |
646 | static int arch__key_cmp(const void *name, const void *archp) |
647 | { | |
648 | const struct arch *arch = archp; | |
649 | ||
650 | return strcmp(name, arch->name); | |
651 | } | |
652 | ||
653 | static int arch__cmp(const void *a, const void *b) | |
654 | { | |
655 | const struct arch *aa = a; | |
656 | const struct arch *ab = b; | |
657 | ||
658 | return strcmp(aa->name, ab->name); | |
659 | } | |
660 | ||
661 | static void arch__sort(void) | |
662 | { | |
663 | const int nmemb = ARRAY_SIZE(architectures); | |
664 | ||
665 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
666 | } | |
667 | ||
668 | static struct arch *arch__find(const char *name) | |
669 | { | |
670 | const int nmemb = ARRAY_SIZE(architectures); | |
671 | static bool sorted; | |
672 | ||
673 | if (!sorted) { | |
674 | arch__sort(); | |
675 | sorted = true; | |
676 | } | |
677 | ||
678 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
679 | } | |
680 | ||
d04b35f8 | 681 | int symbol__alloc_hist(struct symbol *sym) |
ce6f4fab ACM |
682 | { |
683 | struct annotation *notes = symbol__annotation(sym); | |
331c7cb3 | 684 | size_t size = symbol__size(sym); |
8696329b CS |
685 | size_t sizeof_sym_hist; |
686 | ||
331c7cb3 RB |
687 | /* |
688 | * Add buffer of one element for zero length symbol. | |
689 | * When sample is taken from first instruction of | |
690 | * zero length symbol, perf still resolves it and | |
691 | * shows symbol name in perf report and allows to | |
692 | * annotate it. | |
693 | */ | |
694 | if (size == 0) | |
695 | size = 1; | |
696 | ||
8696329b | 697 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 698 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
699 | return -1; |
700 | ||
896bccd3 | 701 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
702 | |
703 | /* Check for overflow in zalloc argument */ | |
704 | if (sizeof_sym_hist > (SIZE_MAX - sizeof(*notes->src)) | |
705 | / symbol_conf.nr_events) | |
706 | return -1; | |
ce6f4fab | 707 | |
d04b35f8 | 708 | notes->src = zalloc(sizeof(*notes->src) + symbol_conf.nr_events * sizeof_sym_hist); |
ce6f4fab ACM |
709 | if (notes->src == NULL) |
710 | return -1; | |
711 | notes->src->sizeof_sym_hist = sizeof_sym_hist; | |
d04b35f8 | 712 | notes->src->nr_histograms = symbol_conf.nr_events; |
ce6f4fab ACM |
713 | INIT_LIST_HEAD(¬es->src->source); |
714 | return 0; | |
78f7defe ACM |
715 | } |
716 | ||
d4957633 AK |
717 | /* The cycles histogram is lazily allocated. */ |
718 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
719 | { | |
720 | struct annotation *notes = symbol__annotation(sym); | |
721 | const size_t size = symbol__size(sym); | |
722 | ||
723 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
724 | if (notes->src->cycles_hist == NULL) | |
725 | return -1; | |
726 | return 0; | |
727 | } | |
728 | ||
36532461 ACM |
729 | void symbol__annotate_zero_histograms(struct symbol *sym) |
730 | { | |
731 | struct annotation *notes = symbol__annotation(sym); | |
732 | ||
ce6f4fab | 733 | pthread_mutex_lock(¬es->lock); |
d4957633 | 734 | if (notes->src != NULL) { |
ce6f4fab ACM |
735 | memset(notes->src->histograms, 0, |
736 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
737 | if (notes->src->cycles_hist) |
738 | memset(notes->src->cycles_hist, 0, | |
739 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
740 | } | |
ce6f4fab | 741 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
742 | } |
743 | ||
d4957633 AK |
744 | static int __symbol__account_cycles(struct annotation *notes, |
745 | u64 start, | |
746 | unsigned offset, unsigned cycles, | |
747 | unsigned have_start) | |
748 | { | |
749 | struct cyc_hist *ch; | |
750 | ||
751 | ch = notes->src->cycles_hist; | |
752 | /* | |
753 | * For now we can only account one basic block per | |
754 | * final jump. But multiple could be overlapping. | |
755 | * Always account the longest one. So when | |
756 | * a shorter one has been already seen throw it away. | |
757 | * | |
758 | * We separately always account the full cycles. | |
759 | */ | |
760 | ch[offset].num_aggr++; | |
761 | ch[offset].cycles_aggr += cycles; | |
762 | ||
763 | if (!have_start && ch[offset].have_start) | |
764 | return 0; | |
765 | if (ch[offset].num) { | |
766 | if (have_start && (!ch[offset].have_start || | |
767 | ch[offset].start > start)) { | |
768 | ch[offset].have_start = 0; | |
769 | ch[offset].cycles = 0; | |
770 | ch[offset].num = 0; | |
771 | if (ch[offset].reset < 0xffff) | |
772 | ch[offset].reset++; | |
773 | } else if (have_start && | |
774 | ch[offset].start < start) | |
775 | return 0; | |
776 | } | |
777 | ch[offset].have_start = have_start; | |
778 | ch[offset].start = start; | |
779 | ch[offset].cycles += cycles; | |
780 | ch[offset].num++; | |
781 | return 0; | |
782 | } | |
783 | ||
b66d8c0c | 784 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a | 785 | struct annotation *notes, int evidx, u64 addr, |
461c17f0 | 786 | struct perf_sample *sample) |
78f7defe | 787 | { |
2f525d01 | 788 | unsigned offset; |
78f7defe ACM |
789 | struct sym_hist *h; |
790 | ||
78f7defe ACM |
791 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
792 | ||
edee44be RB |
793 | if ((addr < sym->start || addr >= sym->end) && |
794 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
795 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
796 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 797 | return -ERANGE; |
e3d006ce | 798 | } |
78f7defe | 799 | |
2f525d01 ACM |
800 | offset = addr - sym->start; |
801 | h = annotation__histogram(notes, evidx); | |
8158683d | 802 | h->nr_samples++; |
896bccd3 | 803 | h->addr[offset].nr_samples++; |
461c17f0 TS |
804 | h->period += sample->period; |
805 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
806 | |
807 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
808 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
809 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
810 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
811 | return 0; |
812 | } | |
813 | ||
d4957633 | 814 | static struct annotation *symbol__get_annotation(struct symbol *sym, bool cycles) |
83be34a7 AK |
815 | { |
816 | struct annotation *notes = symbol__annotation(sym); | |
817 | ||
818 | if (notes->src == NULL) { | |
819 | if (symbol__alloc_hist(sym) < 0) | |
820 | return NULL; | |
821 | } | |
d4957633 AK |
822 | if (!notes->src->cycles_hist && cycles) { |
823 | if (symbol__alloc_hist_cycles(sym) < 0) | |
824 | return NULL; | |
825 | } | |
83be34a7 AK |
826 | return notes; |
827 | } | |
828 | ||
44e83039 | 829 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
bab89f6a TS |
830 | int evidx, u64 addr, |
831 | struct perf_sample *sample) | |
b66d8c0c ACM |
832 | { |
833 | struct annotation *notes; | |
834 | ||
48c65bda | 835 | if (sym == NULL) |
b66d8c0c | 836 | return 0; |
d4957633 | 837 | notes = symbol__get_annotation(sym, false); |
83be34a7 AK |
838 | if (notes == NULL) |
839 | return -ENOMEM; | |
bab89f6a | 840 | return __symbol__inc_addr_samples(sym, map, notes, evidx, addr, sample); |
b66d8c0c ACM |
841 | } |
842 | ||
d4957633 AK |
843 | static int symbol__account_cycles(u64 addr, u64 start, |
844 | struct symbol *sym, unsigned cycles) | |
845 | { | |
846 | struct annotation *notes; | |
847 | unsigned offset; | |
848 | ||
849 | if (sym == NULL) | |
850 | return 0; | |
851 | notes = symbol__get_annotation(sym, true); | |
852 | if (notes == NULL) | |
853 | return -ENOMEM; | |
854 | if (addr < sym->start || addr >= sym->end) | |
855 | return -ERANGE; | |
856 | ||
857 | if (start) { | |
858 | if (start < sym->start || start >= sym->end) | |
859 | return -ERANGE; | |
860 | if (start >= addr) | |
861 | start = 0; | |
862 | } | |
863 | offset = addr - sym->start; | |
864 | return __symbol__account_cycles(notes, | |
865 | start ? start - sym->start : 0, | |
866 | offset, cycles, | |
867 | !!start); | |
868 | } | |
869 | ||
870 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
871 | struct addr_map_symbol *start, | |
872 | unsigned cycles) | |
873 | { | |
3d7245b0 | 874 | u64 saddr = 0; |
d4957633 AK |
875 | int err; |
876 | ||
877 | if (!cycles) | |
878 | return 0; | |
879 | ||
880 | /* | |
881 | * Only set start when IPC can be computed. We can only | |
882 | * compute it when the basic block is completely in a single | |
883 | * function. | |
884 | * Special case the case when the jump is elsewhere, but | |
885 | * it starts on the function start. | |
886 | */ | |
887 | if (start && | |
888 | (start->sym == ams->sym || | |
889 | (ams->sym && | |
890 | start->addr == ams->sym->start + ams->map->start))) | |
891 | saddr = start->al_addr; | |
892 | if (saddr == 0) | |
3d7245b0 | 893 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
894 | ams->addr, |
895 | start ? start->addr : 0, | |
896 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
897 | saddr); | |
898 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
899 | if (err) | |
900 | pr_debug2("account_cycles failed %d\n", err); | |
901 | return err; | |
902 | } | |
903 | ||
f56c083b ACM |
904 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
905 | { | |
906 | unsigned n_insn = 0; | |
907 | u64 offset; | |
908 | ||
909 | for (offset = start; offset <= end; offset++) { | |
910 | if (notes->offsets[offset]) | |
911 | n_insn++; | |
912 | } | |
913 | return n_insn; | |
914 | } | |
915 | ||
916 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
917 | { | |
918 | unsigned n_insn; | |
919 | u64 offset; | |
920 | ||
921 | n_insn = annotation__count_insn(notes, start, end); | |
922 | if (n_insn && ch->num && ch->cycles) { | |
923 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
924 | ||
925 | /* Hide data when there are too many overlaps. */ | |
926 | if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) | |
927 | return; | |
928 | ||
929 | for (offset = start; offset <= end; offset++) { | |
930 | struct annotation_line *al = notes->offsets[offset]; | |
931 | ||
932 | if (al) | |
933 | al->ipc = ipc; | |
934 | } | |
935 | } | |
936 | } | |
937 | ||
938 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
939 | { | |
940 | u64 offset; | |
941 | ||
942 | if (!notes->src || !notes->src->cycles_hist) | |
943 | return; | |
944 | ||
945 | pthread_mutex_lock(¬es->lock); | |
946 | for (offset = 0; offset < size; ++offset) { | |
947 | struct cyc_hist *ch; | |
948 | ||
949 | ch = ¬es->src->cycles_hist[offset]; | |
950 | if (ch && ch->cycles) { | |
951 | struct annotation_line *al; | |
952 | ||
953 | if (ch->have_start) | |
954 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
955 | al = notes->offsets[offset]; | |
956 | if (al && ch->num_aggr) | |
957 | al->cycles = ch->cycles_aggr / ch->num_aggr; | |
958 | notes->have_cycles = true; | |
959 | } | |
960 | } | |
961 | pthread_mutex_unlock(¬es->lock); | |
962 | } | |
963 | ||
bab89f6a TS |
964 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
965 | int evidx) | |
0f4e7a24 | 966 | { |
bab89f6a | 967 | return symbol__inc_addr_samples(ams->sym, ams->map, evidx, ams->al_addr, sample); |
0f4e7a24 ACM |
968 | } |
969 | ||
bab89f6a TS |
970 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
971 | int evidx, u64 ip) | |
f626adff | 972 | { |
bab89f6a | 973 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip, sample); |
f626adff ACM |
974 | } |
975 | ||
85a84e4f | 976 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 977 | { |
75b49202 | 978 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 979 | |
75b49202 | 980 | if (!dl->ins.ops) |
4f9d0325 ACM |
981 | return; |
982 | ||
85a84e4f | 983 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 984 | dl->ins.ops = NULL; |
4f9d0325 ACM |
985 | } |
986 | ||
75b49202 | 987 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 988 | { |
4597cf06 | 989 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
990 | |
991 | if (name[0] == '\0') | |
992 | return -1; | |
993 | ||
994 | *rawp = name + 1; | |
995 | ||
996 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
997 | ++*rawp; | |
998 | ||
999 | tmp = (*rawp)[0]; | |
1000 | (*rawp)[0] = '\0'; | |
1001 | *namep = strdup(name); | |
1002 | ||
1003 | if (*namep == NULL) | |
1004 | goto out_free_name; | |
1005 | ||
1006 | (*rawp)[0] = tmp; | |
4597cf06 | 1007 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
1008 | |
1009 | return 0; | |
1010 | ||
1011 | out_free_name: | |
75b49202 ACM |
1012 | free((void *)namep); |
1013 | *namep = NULL; | |
7a997fe4 ACM |
1014 | return -1; |
1015 | } | |
1016 | ||
ea07c5aa JO |
1017 | struct annotate_args { |
1018 | size_t privsize; | |
24fe7b88 | 1019 | struct arch *arch; |
85a84e4f | 1020 | struct map_symbol ms; |
d03a686e | 1021 | struct perf_evsel *evsel; |
4748834f JO |
1022 | s64 offset; |
1023 | char *line; | |
1024 | int line_nr; | |
ea07c5aa JO |
1025 | }; |
1026 | ||
c835e191 JO |
1027 | static void annotation_line__delete(struct annotation_line *al) |
1028 | { | |
1029 | void *ptr = (void *) al - al->privsize; | |
1030 | ||
8b4c74dc | 1031 | free_srcline(al->path); |
c835e191 JO |
1032 | zfree(&al->line); |
1033 | free(ptr); | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * Allocating the annotation line data with following | |
1038 | * structure: | |
1039 | * | |
1040 | * -------------------------------------- | |
1041 | * private space | struct annotation_line | |
1042 | * -------------------------------------- | |
1043 | * | |
1044 | * Size of the private space is stored in 'struct annotation_line'. | |
1045 | * | |
1046 | */ | |
1047 | static struct annotation_line * | |
1048 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1049 | { | |
1050 | struct annotation_line *al; | |
7e304557 | 1051 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 1052 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1053 | int nr = 1; |
1054 | ||
1055 | if (perf_evsel__is_group_event(evsel)) | |
1056 | nr = evsel->nr_members; | |
1057 | ||
1058 | size += sizeof(al->samples[0]) * nr; | |
c835e191 JO |
1059 | |
1060 | al = zalloc(size); | |
1061 | if (al) { | |
1062 | al = (void *) al + privsize; | |
1063 | al->privsize = privsize; | |
1064 | al->offset = args->offset; | |
1065 | al->line = strdup(args->line); | |
1066 | al->line_nr = args->line_nr; | |
7e304557 | 1067 | al->samples_nr = nr; |
c835e191 JO |
1068 | } |
1069 | ||
1070 | return al; | |
1071 | } | |
1072 | ||
1073 | /* | |
1074 | * Allocating the disasm annotation line data with | |
1075 | * following structure: | |
1076 | * | |
1077 | * ------------------------------------------------------------ | |
1078 | * privsize space | struct disasm_line | struct annotation_line | |
1079 | * ------------------------------------------------------------ | |
1080 | * | |
1081 | * We have 'struct annotation_line' member as last member | |
1082 | * of 'struct disasm_line' to have an easy access. | |
1083 | * | |
1084 | */ | |
4748834f | 1085 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1086 | { |
c835e191 JO |
1087 | struct disasm_line *dl = NULL; |
1088 | struct annotation_line *al; | |
1089 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1090 | |
c835e191 JO |
1091 | al = annotation_line__new(args, privsize); |
1092 | if (al != NULL) { | |
1093 | dl = disasm_line(al); | |
d5490b96 JO |
1094 | |
1095 | if (dl->al.line == NULL) | |
058b4cc9 | 1096 | goto out_delete; |
5145418b | 1097 | |
4748834f | 1098 | if (args->offset != -1) { |
d5490b96 | 1099 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1100 | goto out_free_line; |
1101 | ||
85a84e4f | 1102 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1103 | } |
78f7defe ACM |
1104 | } |
1105 | ||
29ed6e76 | 1106 | return dl; |
5145418b ACM |
1107 | |
1108 | out_free_line: | |
d5490b96 | 1109 | zfree(&dl->al.line); |
058b4cc9 | 1110 | out_delete: |
29ed6e76 | 1111 | free(dl); |
058b4cc9 | 1112 | return NULL; |
78f7defe ACM |
1113 | } |
1114 | ||
29ed6e76 | 1115 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1116 | { |
75b49202 ACM |
1117 | if (dl->ins.ops && dl->ins.ops->free) |
1118 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1119 | else |
1120 | ins__delete(&dl->ops); | |
75b49202 ACM |
1121 | free((void *)dl->ins.name); |
1122 | dl->ins.name = NULL; | |
c835e191 | 1123 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1124 | } |
1125 | ||
5417072b ACM |
1126 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
1127 | { | |
75b49202 | 1128 | if (raw || !dl->ins.ops) |
648388ae | 1129 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 1130 | |
75b49202 | 1131 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1132 | } |
1133 | ||
82b9d7ff | 1134 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1135 | { |
82b9d7ff | 1136 | list_add_tail(&al->node, head); |
78f7defe ACM |
1137 | } |
1138 | ||
c4c72436 JO |
1139 | struct annotation_line * |
1140 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1141 | { |
c4c72436 JO |
1142 | list_for_each_entry_continue(pos, head, node) |
1143 | if (pos->offset >= 0) | |
78f7defe ACM |
1144 | return pos; |
1145 | ||
1146 | return NULL; | |
1147 | } | |
1148 | ||
70fbe057 PZ |
1149 | static const char *annotate__address_color(struct block_range *br) |
1150 | { | |
1151 | double cov = block_range__coverage(br); | |
1152 | ||
1153 | if (cov >= 0) { | |
1154 | /* mark red for >75% coverage */ | |
1155 | if (cov > 0.75) | |
1156 | return PERF_COLOR_RED; | |
1157 | ||
1158 | /* mark dull for <1% coverage */ | |
1159 | if (cov < 0.01) | |
1160 | return PERF_COLOR_NORMAL; | |
1161 | } | |
1162 | ||
1163 | return PERF_COLOR_MAGENTA; | |
1164 | } | |
1165 | ||
1166 | static const char *annotate__asm_color(struct block_range *br) | |
1167 | { | |
1168 | double cov = block_range__coverage(br); | |
1169 | ||
1170 | if (cov >= 0) { | |
1171 | /* mark dull for <1% coverage */ | |
1172 | if (cov < 0.01) | |
1173 | return PERF_COLOR_NORMAL; | |
1174 | } | |
1175 | ||
1176 | return PERF_COLOR_BLUE; | |
1177 | } | |
1178 | ||
1179 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1180 | { | |
1181 | bool emit_comment = true; | |
1182 | ||
1183 | if (!br) | |
1184 | return; | |
1185 | ||
1186 | #if 1 | |
1187 | if (br->is_target && br->start == addr) { | |
1188 | struct block_range *branch = br; | |
1189 | double p; | |
1190 | ||
1191 | /* | |
1192 | * Find matching branch to our target. | |
1193 | */ | |
1194 | while (!branch->is_branch) | |
1195 | branch = block_range__next(branch); | |
1196 | ||
1197 | p = 100 *(double)br->entry / branch->coverage; | |
1198 | ||
1199 | if (p > 0.1) { | |
1200 | if (emit_comment) { | |
1201 | emit_comment = false; | |
1202 | printf("\t#"); | |
1203 | } | |
1204 | ||
1205 | /* | |
1206 | * The percentage of coverage joined at this target in relation | |
1207 | * to the next branch. | |
1208 | */ | |
1209 | printf(" +%.2f%%", p); | |
1210 | } | |
1211 | } | |
1212 | #endif | |
1213 | if (br->is_branch && br->end == addr) { | |
1214 | double p = 100*(double)br->taken / br->coverage; | |
1215 | ||
1216 | if (p > 0.1) { | |
1217 | if (emit_comment) { | |
1218 | emit_comment = false; | |
1219 | printf("\t#"); | |
1220 | } | |
1221 | ||
1222 | /* | |
1223 | * The percentage of coverage leaving at this branch, and | |
1224 | * its prediction ratio. | |
1225 | */ | |
1226 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1227 | } | |
1228 | } | |
1229 | } | |
1230 | ||
f48e7c40 | 1231 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1232 | { |
29971f9a JO |
1233 | s64 offset = dl->al.offset; |
1234 | const u64 addr = start + offset; | |
1235 | struct block_range *br; | |
1236 | ||
1237 | br = block_range__find(addr); | |
f48e7c40 | 1238 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1239 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1240 | annotate__branch_printf(br, addr); | |
1241 | return 0; | |
1242 | } | |
1243 | ||
1244 | static int | |
1245 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1246 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
f48e7c40 | 1247 | int max_lines, struct annotation_line *queue, int addr_fmt_width) |
29971f9a JO |
1248 | { |
1249 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1250 | static const char *prev_line; |
1251 | static const char *prev_color; | |
1252 | ||
29971f9a | 1253 | if (al->offset != -1) { |
f681d593 | 1254 | double max_percent = 0.0; |
b1dd4432 | 1255 | int i, nr_percent = 1; |
78f7defe ACM |
1256 | const char *color; |
1257 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1258 | |
29971f9a JO |
1259 | for (i = 0; i < al->samples_nr; i++) { |
1260 | struct annotation_data *sample = &al->samples[i]; | |
78f7defe | 1261 | |
f681d593 JO |
1262 | if (sample->percent > max_percent) |
1263 | max_percent = sample->percent; | |
b1dd4432 NK |
1264 | } |
1265 | ||
04d2600a JY |
1266 | if (al->samples_nr > nr_percent) |
1267 | nr_percent = al->samples_nr; | |
1268 | ||
b1dd4432 | 1269 | if (max_percent < min_pcnt) |
36532461 ACM |
1270 | return -1; |
1271 | ||
e3087b80 | 1272 | if (max_lines && printed >= max_lines) |
36532461 | 1273 | return 1; |
d040bd36 | 1274 | |
d5e3d747 | 1275 | if (queue != NULL) { |
29971f9a JO |
1276 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1277 | if (queue == al) | |
d5e3d747 | 1278 | break; |
29971f9a | 1279 | annotation_line__print(queue, sym, start, evsel, len, |
f48e7c40 | 1280 | 0, 0, 1, NULL, addr_fmt_width); |
d5e3d747 ACM |
1281 | } |
1282 | } | |
1283 | ||
b1dd4432 | 1284 | color = get_percent_color(max_percent); |
78f7defe ACM |
1285 | |
1286 | /* | |
1287 | * Also color the filename and line if needed, with | |
1288 | * the same color than the percentage. Don't print it | |
1289 | * twice for close colored addr with the same filename:line | |
1290 | */ | |
29971f9a JO |
1291 | if (al->path) { |
1292 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1293 | || color != prev_color) { |
29971f9a JO |
1294 | color_fprintf(stdout, color, " %s", al->path); |
1295 | prev_line = al->path; | |
78f7defe ACM |
1296 | prev_color = color; |
1297 | } | |
1298 | } | |
1299 | ||
b1dd4432 | 1300 | for (i = 0; i < nr_percent; i++) { |
29971f9a | 1301 | struct annotation_data *sample = &al->samples[i]; |
f681d593 JO |
1302 | |
1303 | color = get_percent_color(sample->percent); | |
0c4a5bce ML |
1304 | |
1305 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1306 | color_fprintf(stdout, color, " %11" PRIu64, |
f681d593 | 1307 | sample->he.period); |
1ac39372 TS |
1308 | else if (symbol_conf.show_nr_samples) |
1309 | color_fprintf(stdout, color, " %7" PRIu64, | |
f681d593 | 1310 | sample->he.nr_samples); |
0c4a5bce | 1311 | else |
f681d593 | 1312 | color_fprintf(stdout, color, " %7.2f", sample->percent); |
b1dd4432 NK |
1313 | } |
1314 | ||
f48e7c40 | 1315 | printf(" : "); |
70fbe057 | 1316 | |
f48e7c40 | 1317 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1318 | printf("\n"); |
e3087b80 | 1319 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1320 | return 1; |
1321 | else { | |
ce9ee4a2 | 1322 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1323 | |
d5e3d747 ACM |
1324 | if (queue) |
1325 | return -1; | |
1326 | ||
759ff497 | 1327 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1328 | width *= evsel->nr_members; |
1329 | ||
29971f9a | 1330 | if (!*al->line) |
b1dd4432 | 1331 | printf(" %*s:\n", width, " "); |
78f7defe | 1332 | else |
f48e7c40 | 1333 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1334 | } |
36532461 ACM |
1335 | |
1336 | return 0; | |
78f7defe ACM |
1337 | } |
1338 | ||
3aec150a NK |
1339 | /* |
1340 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1341 | * which looks like following | |
1342 | * | |
1343 | * 0000000000415500 <_init>: | |
1344 | * 415500: sub $0x8,%rsp | |
1345 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1346 | * 41550b: test %rax,%rax | |
1347 | * 41550e: je 415515 <_init+0x15> | |
1348 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1349 | * 415515: add $0x8,%rsp | |
1350 | * 415519: retq | |
1351 | * | |
1352 | * it will be parsed and saved into struct disasm_line as | |
1353 | * <offset> <name> <ops.raw> | |
1354 | * | |
1355 | * The offset will be a relative offset from the start of the symbol and -1 | |
1356 | * means that it's not a disassembly line so should be treated differently. | |
1357 | * The ops.raw part will be parsed further according to type of the instruction. | |
1358 | */ | |
1a04db70 | 1359 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1360 | struct annotate_args *args, |
e592488c | 1361 | int *line_nr) |
78f7defe | 1362 | { |
85a84e4f | 1363 | struct map *map = args->ms.map; |
ce6f4fab | 1364 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1365 | struct disasm_line *dl; |
4597cf06 | 1366 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1367 | size_t line_len; |
1368 | s64 line_ip, offset = -1; | |
e592488c | 1369 | regmatch_t match[2]; |
78f7defe ACM |
1370 | |
1371 | if (getline(&line, &line_len, file) < 0) | |
1372 | return -1; | |
1373 | ||
1374 | if (!line) | |
1375 | return -1; | |
1376 | ||
78f7defe | 1377 | line_ip = -1; |
4597cf06 | 1378 | parsed_line = rtrim(line); |
78f7defe | 1379 | |
e592488c | 1380 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1381 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1382 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1383 | return 0; |
1384 | } | |
1385 | ||
4597cf06 | 1386 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1387 | if (*tmp) { |
1388 | /* | |
1389 | * Parse hexa addresses followed by ':' | |
1390 | */ | |
1391 | line_ip = strtoull(tmp, &tmp2, 16); | |
1392 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1393 | line_ip = -1; | |
1394 | } | |
1395 | ||
1396 | if (line_ip != -1) { | |
1397 | u64 start = map__rip_2objdump(map, sym->start), | |
1398 | end = map__rip_2objdump(map, sym->end); | |
1399 | ||
1400 | offset = line_ip - start; | |
2c241bd3 | 1401 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1402 | offset = -1; |
058b4cc9 ACM |
1403 | else |
1404 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1405 | } |
78f7defe | 1406 | |
4748834f JO |
1407 | args->offset = offset; |
1408 | args->line = parsed_line; | |
1409 | args->line_nr = *line_nr; | |
85a84e4f | 1410 | args->ms.sym = sym; |
4748834f JO |
1411 | |
1412 | dl = disasm_line__new(args); | |
058b4cc9 | 1413 | free(line); |
e592488c | 1414 | (*line_nr)++; |
058b4cc9 | 1415 | |
29ed6e76 | 1416 | if (dl == NULL) |
78f7defe | 1417 | return -1; |
058b4cc9 | 1418 | |
2eff0611 | 1419 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1420 | dl->ops.target.offset = dl->ops.target.addr - |
1421 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1422 | dl->ops.target.offset_avail = true; |
1423 | } | |
bbb7f846 | 1424 | |
696703af ACM |
1425 | /* kcore has no symbols, so add the call target symbol */ |
1426 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1427 | struct addr_map_symbol target = { |
1428 | .map = map, | |
1429 | .addr = dl->ops.target.addr, | |
1430 | }; | |
1431 | ||
be39db9f | 1432 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1433 | target.sym->start == target.al_addr) |
696703af | 1434 | dl->ops.target.sym = target.sym; |
b178170a AH |
1435 | } |
1436 | ||
82b9d7ff | 1437 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1438 | |
1439 | return 0; | |
1440 | } | |
1441 | ||
e592488c AK |
1442 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1443 | { | |
1444 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1445 | } | |
1446 | ||
484a5e74 AH |
1447 | static void delete_last_nop(struct symbol *sym) |
1448 | { | |
1449 | struct annotation *notes = symbol__annotation(sym); | |
1450 | struct list_head *list = ¬es->src->source; | |
1451 | struct disasm_line *dl; | |
1452 | ||
1453 | while (!list_empty(list)) { | |
a17c4ca0 | 1454 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1455 | |
75b49202 ACM |
1456 | if (dl->ins.ops) { |
1457 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1458 | return; |
1459 | } else { | |
d5490b96 JO |
1460 | if (!strstr(dl->al.line, " nop ") && |
1461 | !strstr(dl->al.line, " nopl ") && | |
1462 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1463 | return; |
1464 | } | |
1465 | ||
a17c4ca0 | 1466 | list_del(&dl->al.node); |
484a5e74 AH |
1467 | disasm_line__free(dl); |
1468 | } | |
1469 | } | |
1470 | ||
ee51d851 ACM |
1471 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1472 | int errnum, char *buf, size_t buflen) | |
1473 | { | |
1474 | struct dso *dso = map->dso; | |
1475 | ||
1476 | BUG_ON(buflen == 0); | |
1477 | ||
1478 | if (errnum >= 0) { | |
1479 | str_error_r(errnum, buf, buflen); | |
1480 | return 0; | |
1481 | } | |
1482 | ||
1483 | switch (errnum) { | |
1484 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1485 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1486 | char *build_id_msg = NULL; | |
1487 | ||
1488 | if (dso->has_build_id) { | |
1489 | build_id__sprintf(dso->build_id, | |
1490 | sizeof(dso->build_id), bf + 15); | |
1491 | build_id_msg = bf; | |
1492 | } | |
1493 | scnprintf(buf, buflen, | |
1494 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1495 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1496 | "Please use:\n\n" | |
1497 | " perf buildid-cache -vu vmlinux\n\n" | |
1498 | "or:\n\n" | |
1499 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1500 | } | |
1501 | break; | |
1502 | default: | |
1503 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1504 | break; | |
1505 | } | |
1506 | ||
1507 | return 0; | |
1508 | } | |
1509 | ||
05ed3ac9 | 1510 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1511 | { |
05ed3ac9 ACM |
1512 | char linkname[PATH_MAX]; |
1513 | char *build_id_filename; | |
6ebd2547 | 1514 | char *build_id_path = NULL; |
3619ef76 | 1515 | char *pos; |
78f7defe | 1516 | |
c12944f7 ACM |
1517 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1518 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1519 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1520 | |
d2396999 | 1521 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1522 | if (build_id_filename) { |
1523 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1524 | free(build_id_filename); | |
3caee094 | 1525 | } else { |
ee51d851 ACM |
1526 | if (dso->has_build_id) |
1527 | return ENOMEM; | |
78f7defe | 1528 | goto fallback; |
3caee094 ACM |
1529 | } |
1530 | ||
6ebd2547 TS |
1531 | build_id_path = strdup(filename); |
1532 | if (!build_id_path) | |
1533 | return -1; | |
1534 | ||
3619ef76 NK |
1535 | /* |
1536 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1537 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1538 | * extract the build-id part of dirname in the new style only. | |
1539 | */ | |
1540 | pos = strrchr(build_id_path, '/'); | |
1541 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1542 | dirname(build_id_path); | |
6ebd2547 | 1543 | |
3caee094 | 1544 | if (dso__is_kcore(dso) || |
6ebd2547 | 1545 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1546 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1547 | access(filename, R_OK)) { | |
78f7defe ACM |
1548 | fallback: |
1549 | /* | |
1550 | * If we don't have build-ids or the build-id file isn't in the | |
1551 | * cache, or is just a kallsyms file, well, lets hope that this | |
1552 | * DSO is the same as when 'perf record' ran. | |
1553 | */ | |
05ed3ac9 | 1554 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1555 | } |
1556 | ||
6ebd2547 | 1557 | free(build_id_path); |
05ed3ac9 ACM |
1558 | return 0; |
1559 | } | |
1560 | ||
1a04db70 | 1561 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1562 | { |
85a84e4f | 1563 | struct map *map = args->ms.map; |
05ed3ac9 | 1564 | struct dso *dso = map->dso; |
6810158d | 1565 | char *command; |
05ed3ac9 ACM |
1566 | FILE *file; |
1567 | char symfs_filename[PATH_MAX]; | |
1568 | struct kcore_extract kce; | |
1569 | bool delete_extract = false; | |
1570 | int stdout_fd[2]; | |
1571 | int lineno = 0; | |
1572 | int nline; | |
1573 | pid_t pid; | |
1574 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1575 | ||
1576 | if (err) | |
1577 | return err; | |
1578 | ||
78f7defe | 1579 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1580 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1581 | map->unmap_ip(map, sym->end)); |
1582 | ||
78f7defe ACM |
1583 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1584 | dso, dso->long_name, sym, sym->name); | |
1585 | ||
afba19d9 AH |
1586 | if (dso__is_kcore(dso)) { |
1587 | kce.kcore_filename = symfs_filename; | |
1588 | kce.addr = map__rip_2objdump(map, sym->start); | |
1589 | kce.offs = sym->start; | |
2c241bd3 | 1590 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1591 | if (!kcore_extract__create(&kce)) { |
1592 | delete_extract = true; | |
1593 | strlcpy(symfs_filename, kce.extract_filename, | |
1594 | sizeof(symfs_filename)); | |
afba19d9 | 1595 | } |
2c7da8c5 | 1596 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1597 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1598 | |
3c84fd53 NK |
1599 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1600 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1601 | goto out; |
2c7da8c5 JO |
1602 | |
1603 | strcpy(symfs_filename, tmp); | |
afba19d9 AH |
1604 | } |
1605 | ||
6810158d | 1606 | err = asprintf(&command, |
7a4ec938 | 1607 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1608 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1609 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
7a4ec938 | 1610 | objdump_path ? objdump_path : "objdump", |
f69b64f7 AK |
1611 | disassembler_style ? "-M " : "", |
1612 | disassembler_style ? disassembler_style : "", | |
78f7defe | 1613 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1614 | map__rip_2objdump(map, sym->end), |
3e6a2a7f SE |
1615 | symbol_conf.annotate_asm_raw ? "" : "--no-show-raw", |
1616 | symbol_conf.annotate_src ? "-S" : "", | |
3caee094 | 1617 | symfs_filename, symfs_filename); |
78f7defe | 1618 | |
6810158d ACM |
1619 | if (err < 0) { |
1620 | pr_err("Failure allocating memory for the command to run\n"); | |
1621 | goto out_remove_tmp; | |
1622 | } | |
1623 | ||
78f7defe ACM |
1624 | pr_debug("Executing: %s\n", command); |
1625 | ||
9955d0be ACM |
1626 | err = -1; |
1627 | if (pipe(stdout_fd) < 0) { | |
1628 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1629 | goto out_free_command; |
9955d0be ACM |
1630 | } |
1631 | ||
1632 | pid = fork(); | |
1633 | if (pid < 0) { | |
1634 | pr_err("Failure forking to run %s\n", command); | |
1635 | goto out_close_stdout; | |
1636 | } | |
1637 | ||
1638 | if (pid == 0) { | |
1639 | close(stdout_fd[0]); | |
1640 | dup2(stdout_fd[1], 1); | |
1641 | close(stdout_fd[1]); | |
1642 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1643 | perror(command); | |
1644 | exit(-1); | |
1645 | } | |
1646 | ||
1647 | close(stdout_fd[1]); | |
1648 | ||
1649 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1650 | if (!file) { |
9955d0be | 1651 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1652 | /* |
1653 | * If we were using debug info should retry with | |
1654 | * original binary. | |
1655 | */ | |
6810158d | 1656 | goto out_free_command; |
62ec9b3f | 1657 | } |
78f7defe | 1658 | |
62ec9b3f AK |
1659 | nline = 0; |
1660 | while (!feof(file)) { | |
ed7b339f ACM |
1661 | /* |
1662 | * The source code line number (lineno) needs to be kept in | |
1663 | * accross calls to symbol__parse_objdump_line(), so that it | |
1664 | * can associate it with the instructions till the next one. | |
1665 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1666 | */ | |
1a04db70 | 1667 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1668 | break; |
62ec9b3f AK |
1669 | nline++; |
1670 | } | |
1671 | ||
1672 | if (nline == 0) | |
1673 | pr_err("No output from %s\n", command); | |
78f7defe | 1674 | |
484a5e74 AH |
1675 | /* |
1676 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1677 | * Remove it. | |
1678 | */ | |
1679 | if (dso__is_kcore(dso)) | |
1680 | delete_last_nop(sym); | |
1681 | ||
9955d0be ACM |
1682 | fclose(file); |
1683 | err = 0; | |
6810158d ACM |
1684 | out_free_command: |
1685 | free(command); | |
2c7da8c5 | 1686 | out_remove_tmp: |
9955d0be ACM |
1687 | close(stdout_fd[0]); |
1688 | ||
2c7da8c5 JO |
1689 | if (dso__needs_decompress(dso)) |
1690 | unlink(symfs_filename); | |
3caee094 | 1691 | |
afba19d9 AH |
1692 | if (delete_extract) |
1693 | kcore_extract__delete(&kce); | |
c12944f7 | 1694 | out: |
78f7defe | 1695 | return err; |
9955d0be ACM |
1696 | |
1697 | out_close_stdout: | |
1698 | close(stdout_fd[1]); | |
6810158d | 1699 | goto out_free_command; |
78f7defe ACM |
1700 | } |
1701 | ||
073ae601 JO |
1702 | static void calc_percent(struct sym_hist *hist, |
1703 | struct annotation_data *sample, | |
1704 | s64 offset, s64 end) | |
1705 | { | |
1706 | unsigned int hits = 0; | |
1707 | u64 period = 0; | |
1708 | ||
1709 | while (offset < end) { | |
1710 | hits += hist->addr[offset].nr_samples; | |
1711 | period += hist->addr[offset].period; | |
1712 | ++offset; | |
1713 | } | |
1714 | ||
1715 | if (hist->nr_samples) { | |
1716 | sample->he.period = period; | |
1717 | sample->he.nr_samples = hits; | |
1718 | sample->percent = 100.0 * hits / hist->nr_samples; | |
1719 | } | |
1720 | } | |
1721 | ||
9e4e0a9d JO |
1722 | static void annotation__calc_percent(struct annotation *notes, |
1723 | struct perf_evsel *evsel, s64 len) | |
073ae601 JO |
1724 | { |
1725 | struct annotation_line *al, *next; | |
1726 | ||
1727 | list_for_each_entry(al, ¬es->src->source, node) { | |
1728 | s64 end; | |
1729 | int i; | |
1730 | ||
1731 | if (al->offset == -1) | |
1732 | continue; | |
1733 | ||
1734 | next = annotation_line__next(al, ¬es->src->source); | |
1735 | end = next ? next->offset : len; | |
1736 | ||
1737 | for (i = 0; i < al->samples_nr; i++) { | |
1738 | struct annotation_data *sample; | |
1739 | struct sym_hist *hist; | |
1740 | ||
1741 | hist = annotation__histogram(notes, evsel->idx + i); | |
1742 | sample = &al->samples[i]; | |
1743 | ||
1744 | calc_percent(hist, sample, al->offset, end); | |
1745 | } | |
1746 | } | |
073ae601 JO |
1747 | } |
1748 | ||
9e4e0a9d | 1749 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1750 | { |
1751 | struct annotation *notes = symbol__annotation(sym); | |
1752 | ||
9e4e0a9d | 1753 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1754 | } |
1755 | ||
c34df25b | 1756 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1757 | struct perf_evsel *evsel, size_t privsize, |
5449f13c | 1758 | struct arch **parch) |
c34df25b | 1759 | { |
ea07c5aa JO |
1760 | struct annotate_args args = { |
1761 | .privsize = privsize, | |
d03a686e | 1762 | .evsel = evsel, |
ea07c5aa | 1763 | }; |
5449f13c | 1764 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1765 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1766 | struct arch *arch; |
1767 | int err; | |
1768 | ||
c34df25b JO |
1769 | if (!arch_name) |
1770 | return -1; | |
1771 | ||
24fe7b88 | 1772 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1773 | if (arch == NULL) |
1774 | return -ENOTSUP; | |
1775 | ||
1776 | if (parch) | |
1777 | *parch = arch; | |
1778 | ||
1779 | if (arch->init) { | |
5449f13c | 1780 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1781 | if (err) { |
1782 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1783 | return err; | |
1784 | } | |
1785 | } | |
1786 | ||
85a84e4f ACM |
1787 | args.ms.map = map; |
1788 | args.ms.sym = sym; | |
1789 | ||
05d3f1a1 | 1790 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1791 | } |
1792 | ||
8b4c74dc | 1793 | static void insert_source_line(struct rb_root *root, struct annotation_line *al) |
78f7defe | 1794 | { |
8b4c74dc | 1795 | struct annotation_line *iter; |
78f7defe ACM |
1796 | struct rb_node **p = &root->rb_node; |
1797 | struct rb_node *parent = NULL; | |
1491c22a | 1798 | int i, ret; |
78f7defe ACM |
1799 | |
1800 | while (*p != NULL) { | |
1801 | parent = *p; | |
8b4c74dc | 1802 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1803 | |
8b4c74dc | 1804 | ret = strcmp(iter->path, al->path); |
41127965 | 1805 | if (ret == 0) { |
8b4c74dc JO |
1806 | for (i = 0; i < al->samples_nr; i++) |
1807 | iter->samples[i].percent_sum += al->samples[i].percent; | |
41127965 NK |
1808 | return; |
1809 | } | |
1810 | ||
1811 | if (ret < 0) | |
1812 | p = &(*p)->rb_left; | |
1813 | else | |
1814 | p = &(*p)->rb_right; | |
1815 | } | |
1816 | ||
8b4c74dc JO |
1817 | for (i = 0; i < al->samples_nr; i++) |
1818 | al->samples[i].percent_sum = al->samples[i].percent; | |
41127965 | 1819 | |
8b4c74dc JO |
1820 | rb_link_node(&al->rb_node, parent, p); |
1821 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1822 | } |
1823 | ||
8b4c74dc | 1824 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1825 | { |
1826 | int i; | |
1827 | ||
8b4c74dc | 1828 | for (i = 0; i < a->samples_nr; i++) { |
276af92f | 1829 | if (a->samples[i].percent_sum == b->samples[i].percent_sum) |
1491c22a | 1830 | continue; |
276af92f | 1831 | return a->samples[i].percent_sum > b->samples[i].percent_sum; |
1491c22a NK |
1832 | } |
1833 | ||
1834 | return 0; | |
1835 | } | |
1836 | ||
8b4c74dc | 1837 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1838 | { |
8b4c74dc | 1839 | struct annotation_line *iter; |
41127965 NK |
1840 | struct rb_node **p = &root->rb_node; |
1841 | struct rb_node *parent = NULL; | |
1842 | ||
1843 | while (*p != NULL) { | |
1844 | parent = *p; | |
8b4c74dc | 1845 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1846 | |
8b4c74dc | 1847 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1848 | p = &(*p)->rb_left; |
1849 | else | |
1850 | p = &(*p)->rb_right; | |
1851 | } | |
1852 | ||
8b4c74dc JO |
1853 | rb_link_node(&al->rb_node, parent, p); |
1854 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1855 | } |
1856 | ||
41127965 NK |
1857 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1858 | { | |
8b4c74dc | 1859 | struct annotation_line *al; |
41127965 NK |
1860 | struct rb_node *node; |
1861 | ||
1862 | node = rb_first(src_root); | |
1863 | while (node) { | |
1864 | struct rb_node *next; | |
1865 | ||
8b4c74dc | 1866 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
1867 | next = rb_next(node); |
1868 | rb_erase(node, src_root); | |
1869 | ||
8b4c74dc | 1870 | __resort_source_line(dest_root, al); |
41127965 NK |
1871 | node = next; |
1872 | } | |
1873 | } | |
1874 | ||
78f7defe ACM |
1875 | static void print_summary(struct rb_root *root, const char *filename) |
1876 | { | |
8b4c74dc | 1877 | struct annotation_line *al; |
78f7defe ACM |
1878 | struct rb_node *node; |
1879 | ||
1880 | printf("\nSorted summary for file %s\n", filename); | |
1881 | printf("----------------------------------------------\n\n"); | |
1882 | ||
1883 | if (RB_EMPTY_ROOT(root)) { | |
1884 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
1885 | return; | |
1886 | } | |
1887 | ||
1888 | node = rb_first(root); | |
1889 | while (node) { | |
1491c22a | 1890 | double percent, percent_max = 0.0; |
78f7defe ACM |
1891 | const char *color; |
1892 | char *path; | |
1491c22a | 1893 | int i; |
78f7defe | 1894 | |
8b4c74dc JO |
1895 | al = rb_entry(node, struct annotation_line, rb_node); |
1896 | for (i = 0; i < al->samples_nr; i++) { | |
1897 | percent = al->samples[i].percent_sum; | |
1491c22a NK |
1898 | color = get_percent_color(percent); |
1899 | color_fprintf(stdout, color, " %7.2f", percent); | |
1900 | ||
1901 | if (percent > percent_max) | |
1902 | percent_max = percent; | |
1903 | } | |
1904 | ||
8b4c74dc | 1905 | path = al->path; |
1491c22a | 1906 | color = get_percent_color(percent_max); |
f048d548 | 1907 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 1908 | |
78f7defe ACM |
1909 | node = rb_next(node); |
1910 | } | |
1911 | } | |
1912 | ||
db8fd07a | 1913 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
1914 | { |
1915 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 1916 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 1917 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
1918 | |
1919 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 1920 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 1921 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 1922 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 1923 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
1924 | } |
1925 | ||
f48e7c40 JO |
1926 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
1927 | { | |
1928 | char bf[32]; | |
1929 | struct annotation_line *line; | |
1930 | ||
1931 | list_for_each_entry_reverse(line, lines, node) { | |
1932 | if (line->offset != -1) | |
1933 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
1934 | } | |
1935 | ||
1936 | return 0; | |
1937 | } | |
1938 | ||
db8fd07a NK |
1939 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
1940 | struct perf_evsel *evsel, bool full_paths, | |
1941 | int min_pcnt, int max_lines, int context) | |
78f7defe ACM |
1942 | { |
1943 | struct dso *dso = map->dso; | |
bfd14b9a DA |
1944 | char *filename; |
1945 | const char *d_filename; | |
9cdbadce | 1946 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 1947 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 1948 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 1949 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 1950 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 1951 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 1952 | int more = 0; |
78f7defe | 1953 | u64 len; |
ce9ee4a2 | 1954 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 1955 | int graph_dotted_len; |
78f7defe | 1956 | |
bfd14b9a DA |
1957 | filename = strdup(dso->long_name); |
1958 | if (!filename) | |
1959 | return -ENOMEM; | |
1960 | ||
78f7defe ACM |
1961 | if (full_paths) |
1962 | d_filename = filename; | |
1963 | else | |
1964 | d_filename = basename(filename); | |
1965 | ||
1b2e2df4 | 1966 | len = symbol__size(sym); |
b1dd4432 | 1967 | |
759ff497 | 1968 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 | 1969 | width *= evsel->nr_members; |
78f7defe | 1970 | |
135cce1b | 1971 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples)\n", |
1ac39372 TS |
1972 | width, width, symbol_conf.show_total_period ? "Period" : |
1973 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
38d2dcd0 | 1974 | d_filename, evsel_name, h->nr_samples); |
9cdbadce | 1975 | |
53dd9b5f | 1976 | printf("%-*.*s----\n", |
9cdbadce | 1977 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 1978 | |
bb963e16 | 1979 | if (verbose > 0) |
db8fd07a | 1980 | symbol__annotate_hits(sym, evsel); |
78f7defe | 1981 | |
f48e7c40 JO |
1982 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
1983 | ||
8f25b819 JO |
1984 | list_for_each_entry(pos, ¬es->src->source, node) { |
1985 | int err; | |
1986 | ||
d5e3d747 ACM |
1987 | if (context && queue == NULL) { |
1988 | queue = pos; | |
1989 | queue_len = 0; | |
1990 | } | |
1991 | ||
8f25b819 JO |
1992 | err = annotation_line__print(pos, sym, start, evsel, len, |
1993 | min_pcnt, printed, max_lines, | |
f48e7c40 | 1994 | queue, addr_fmt_width); |
8f25b819 JO |
1995 | |
1996 | switch (err) { | |
36532461 ACM |
1997 | case 0: |
1998 | ++printed; | |
d5e3d747 ACM |
1999 | if (context) { |
2000 | printed += queue_len; | |
2001 | queue = NULL; | |
2002 | queue_len = 0; | |
2003 | } | |
36532461 ACM |
2004 | break; |
2005 | case 1: | |
2006 | /* filtered by max_lines */ | |
2007 | ++more; | |
d040bd36 | 2008 | break; |
36532461 ACM |
2009 | case -1: |
2010 | default: | |
d5e3d747 ACM |
2011 | /* |
2012 | * Filtered by min_pcnt or non IP lines when | |
2013 | * context != 0 | |
2014 | */ | |
2015 | if (!context) | |
2016 | break; | |
2017 | if (queue_len == context) | |
8f25b819 | 2018 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2019 | else |
2020 | ++queue_len; | |
36532461 ACM |
2021 | break; |
2022 | } | |
2023 | } | |
2024 | ||
bfd14b9a DA |
2025 | free(filename); |
2026 | ||
36532461 ACM |
2027 | return more; |
2028 | } | |
f1e2701d | 2029 | |
befd2a38 ACM |
2030 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2031 | double percent __maybe_unused, | |
2032 | bool current __maybe_unused) | |
2033 | { | |
2034 | } | |
2035 | ||
2036 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2037 | int nr __maybe_unused, bool current __maybe_unused) | |
2038 | { | |
2039 | return 0; | |
2040 | } | |
2041 | ||
2042 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2043 | { | |
2044 | return 0; | |
2045 | } | |
2046 | ||
2047 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2048 | { | |
2049 | va_list args; | |
2050 | ||
2051 | va_start(args, fmt); | |
2052 | vfprintf(fp, fmt, args); | |
2053 | va_end(args); | |
2054 | } | |
2055 | ||
2056 | static void FILE__write_graph(void *fp, int graph) | |
2057 | { | |
2058 | const char *s; | |
2059 | switch (graph) { | |
2060 | ||
2061 | case DARROW_CHAR: s = "↓"; break; | |
2062 | case UARROW_CHAR: s = "↑"; break; | |
2063 | case LARROW_CHAR: s = "←"; break; | |
2064 | case RARROW_CHAR: s = "→"; break; | |
2065 | default: s = "?"; break; | |
2066 | } | |
2067 | ||
2068 | fputs(s, fp); | |
2069 | } | |
2070 | ||
2071 | int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp) | |
2072 | { | |
2073 | struct annotation *notes = symbol__annotation(sym); | |
2074 | struct annotation_write_ops ops = { | |
2075 | .first_line = true, | |
2076 | .obj = fp, | |
2077 | .set_color = FILE__set_color, | |
2078 | .set_percent_color = FILE__set_percent_color, | |
2079 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2080 | .printf = FILE__printf, | |
2081 | .write_graph = FILE__write_graph, | |
2082 | }; | |
2083 | struct annotation_line *al; | |
2084 | ||
2085 | list_for_each_entry(al, ¬es->src->source, node) { | |
2086 | if (annotation_line__filter(al, notes)) | |
2087 | continue; | |
2088 | annotation_line__write(al, notes, &ops); | |
2089 | fputc('\n', fp); | |
2090 | ops.first_line = false; | |
2091 | } | |
2092 | ||
2093 | return 0; | |
2094 | } | |
2095 | ||
d9bd7665 ACM |
2096 | int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel) |
2097 | { | |
2098 | const char *ev_name = perf_evsel__name(evsel); | |
2099 | char buf[1024]; | |
2100 | char *filename; | |
2101 | int err = -1; | |
2102 | FILE *fp; | |
2103 | ||
2104 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2105 | return -1; | |
2106 | ||
2107 | fp = fopen(filename, "w"); | |
2108 | if (fp == NULL) | |
2109 | goto out_free_filename; | |
2110 | ||
2111 | if (perf_evsel__is_group_event(evsel)) { | |
2112 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2113 | ev_name = buf; | |
2114 | } | |
2115 | ||
2116 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2117 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
2118 | symbol__annotate_fprintf2(ms->sym, fp); | |
2119 | ||
2120 | fclose(fp); | |
2121 | err = 0; | |
2122 | out_free_filename: | |
2123 | free(filename); | |
2124 | return err; | |
2125 | } | |
2126 | ||
36532461 ACM |
2127 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2128 | { | |
2129 | struct annotation *notes = symbol__annotation(sym); | |
2130 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2131 | ||
ce6f4fab | 2132 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2133 | } |
2134 | ||
ce6f4fab | 2135 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2136 | { |
2137 | struct annotation *notes = symbol__annotation(sym); | |
2138 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2139 | int len = symbol__size(sym), offset; |
36532461 | 2140 | |
8158683d | 2141 | h->nr_samples = 0; |
8b84a568 | 2142 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2143 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2144 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2145 | } |
2146 | } | |
2147 | ||
f8eb37bd | 2148 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2149 | { |
f8eb37bd | 2150 | struct annotation_line *al, *n; |
f1e2701d | 2151 | |
f8eb37bd JO |
2152 | list_for_each_entry_safe(al, n, &as->source, node) { |
2153 | list_del(&al->node); | |
2154 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
2155 | } |
2156 | } | |
2157 | ||
5145418b ACM |
2158 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2159 | { | |
2160 | size_t printed; | |
2161 | ||
d5490b96 JO |
2162 | if (dl->al.offset == -1) |
2163 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2164 | |
d5490b96 | 2165 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2166 | |
c7e6ead7 | 2167 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2168 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2169 | dl->ops.raw); |
5145418b ACM |
2170 | } |
2171 | ||
2172 | return printed + fprintf(fp, "\n"); | |
2173 | } | |
2174 | ||
2175 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2176 | { | |
2177 | struct disasm_line *pos; | |
2178 | size_t printed = 0; | |
2179 | ||
a17c4ca0 | 2180 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2181 | printed += disasm_line__fprintf(pos, fp); |
2182 | ||
2183 | return printed; | |
2184 | } | |
2185 | ||
2eff0611 | 2186 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2187 | { |
2188 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2189 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2190 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2191 | return false; | |
2192 | ||
2193 | return true; | |
2194 | } | |
2195 | ||
2196 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2197 | { | |
2198 | u64 offset, size = symbol__size(sym); | |
2199 | ||
2200 | /* PLT symbols contain external offsets */ | |
2201 | if (strstr(sym->name, "@plt")) | |
2202 | return; | |
2203 | ||
2204 | for (offset = 0; offset < size; ++offset) { | |
2205 | struct annotation_line *al = notes->offsets[offset]; | |
2206 | struct disasm_line *dl; | |
2207 | ||
2208 | dl = disasm_line(al); | |
2209 | ||
2eff0611 | 2210 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2211 | continue; |
2212 | ||
2213 | al = notes->offsets[dl->ops.target.offset]; | |
2214 | ||
2215 | /* | |
2216 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2217 | * have to adjust to the previous offset? | |
2218 | */ | |
2219 | if (al == NULL) | |
2220 | continue; | |
2221 | ||
2222 | if (++al->jump_sources > notes->max_jump_sources) | |
2223 | notes->max_jump_sources = al->jump_sources; | |
2224 | ||
2225 | ++notes->nr_jumps; | |
2226 | } | |
2227 | } | |
2228 | ||
5bc49f61 ACM |
2229 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2230 | { | |
2231 | struct annotation_line *al; | |
2232 | ||
2233 | notes->max_line_len = 0; | |
2234 | ||
2235 | list_for_each_entry(al, ¬es->src->source, node) { | |
2236 | size_t line_len = strlen(al->line); | |
2237 | ||
2238 | if (notes->max_line_len < line_len) | |
2239 | notes->max_line_len = line_len; | |
2240 | al->idx = notes->nr_entries++; | |
2241 | if (al->offset != -1) { | |
2242 | al->idx_asm = notes->nr_asm_entries++; | |
2243 | /* | |
2244 | * FIXME: short term bandaid to cope with assembly | |
2245 | * routines that comes with labels in the same column | |
2246 | * as the address in objdump, sigh. | |
2247 | * | |
2248 | * E.g. copy_user_generic_unrolled | |
2249 | */ | |
2250 | if (al->offset < size) | |
2251 | notes->offsets[al->offset] = al; | |
2252 | } else | |
2253 | al->idx_asm = -1; | |
2254 | } | |
2255 | } | |
2256 | ||
b8b0d819 ACM |
2257 | static inline int width_jumps(int n) |
2258 | { | |
2259 | if (n >= 100) | |
2260 | return 5; | |
2261 | if (n / 10) | |
2262 | return 2; | |
2263 | return 1; | |
2264 | } | |
2265 | ||
2266 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) | |
2267 | { | |
2268 | notes->widths.addr = notes->widths.target = | |
2269 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2270 | notes->widths.max_addr = hex_width(sym->end); | |
2271 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
2272 | } | |
2273 | ||
7232bf7a ACM |
2274 | void annotation__update_column_widths(struct annotation *notes) |
2275 | { | |
2276 | if (notes->options->use_offset) | |
2277 | notes->widths.target = notes->widths.min_addr; | |
2278 | else | |
2279 | notes->widths.target = notes->widths.max_addr; | |
2280 | ||
2281 | notes->widths.addr = notes->widths.target; | |
2282 | ||
2283 | if (notes->options->show_nr_jumps) | |
2284 | notes->widths.addr += notes->widths.jumps + 1; | |
2285 | } | |
2286 | ||
8b4c74dc | 2287 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
425859ff | 2288 | struct rb_root *root) |
8b4c74dc JO |
2289 | { |
2290 | struct annotation_line *al; | |
2291 | struct rb_root tmp_root = RB_ROOT; | |
2292 | ||
2293 | list_for_each_entry(al, ¬es->src->source, node) { | |
2294 | double percent_max = 0.0; | |
2295 | int i; | |
2296 | ||
2297 | for (i = 0; i < al->samples_nr; i++) { | |
2298 | struct annotation_data *sample; | |
2299 | ||
2300 | sample = &al->samples[i]; | |
2301 | ||
2302 | if (sample->percent > percent_max) | |
2303 | percent_max = sample->percent; | |
2304 | } | |
2305 | ||
2306 | if (percent_max <= 0.5) | |
2307 | continue; | |
2308 | ||
425859ff ACM |
2309 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2310 | false, true, notes->start + al->offset); | |
8b4c74dc JO |
2311 | insert_source_line(&tmp_root, al); |
2312 | } | |
2313 | ||
2314 | resort_source_line(root, &tmp_root); | |
2315 | } | |
2316 | ||
2317 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
2318 | struct rb_root *root) | |
2319 | { | |
2320 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2321 | |
425859ff | 2322 | annotation__calc_lines(notes, map, root); |
8b4c74dc JO |
2323 | } |
2324 | ||
befd2a38 ACM |
2325 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
2326 | struct perf_evsel *evsel, bool print_lines, | |
2327 | bool full_paths) | |
2328 | { | |
2329 | struct dso *dso = map->dso; | |
2330 | struct rb_root source_line = RB_ROOT; | |
35632892 | 2331 | struct annotation_options opts = annotation__default_options; |
520d3f01 | 2332 | struct annotation *notes = symbol__annotation(sym); |
864298f2 | 2333 | char buf[1024]; |
befd2a38 ACM |
2334 | |
2335 | if (symbol__annotate2(sym, map, evsel, &opts, NULL) < 0) | |
2336 | return -1; | |
2337 | ||
2338 | if (print_lines) { | |
2339 | srcline_full_filename = full_paths; | |
2340 | symbol__calc_lines(sym, map, &source_line); | |
2341 | print_summary(&source_line, dso->long_name); | |
2342 | } | |
2343 | ||
520d3f01 ACM |
2344 | annotation__scnprintf_samples_period(notes, buf, sizeof(buf), evsel); |
2345 | fprintf(stdout, "%s\n%s() %s\n", buf, sym->name, dso->long_name); | |
befd2a38 ACM |
2346 | symbol__annotate_fprintf2(sym, stdout); |
2347 | ||
2348 | annotated_source__purge(symbol__annotation(sym)->src); | |
2349 | ||
2350 | return 0; | |
2351 | } | |
2352 | ||
db8fd07a NK |
2353 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
2354 | struct perf_evsel *evsel, bool print_lines, | |
2355 | bool full_paths, int min_pcnt, int max_lines) | |
f1e2701d ACM |
2356 | { |
2357 | struct dso *dso = map->dso; | |
f1e2701d | 2358 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2359 | |
5449f13c | 2360 | if (symbol__annotate(sym, map, evsel, 0, NULL) < 0) |
f1e2701d ACM |
2361 | return -1; |
2362 | ||
05d3f1a1 JO |
2363 | symbol__calc_percent(sym, evsel); |
2364 | ||
f1e2701d | 2365 | if (print_lines) { |
4a4c03c1 | 2366 | srcline_full_filename = full_paths; |
8b4c74dc | 2367 | symbol__calc_lines(sym, map, &source_line); |
86c98cab | 2368 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2369 | } |
2370 | ||
db8fd07a | 2371 | symbol__annotate_printf(sym, map, evsel, full_paths, |
d5e3d747 | 2372 | min_pcnt, max_lines, 0); |
78f7defe | 2373 | |
f8eb37bd | 2374 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2375 | |
78f7defe ACM |
2376 | return 0; |
2377 | } | |
f626adff | 2378 | |
48c65bda NK |
2379 | bool ui__has_annotation(void) |
2380 | { | |
2e0453af | 2381 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2382 | } |
ecda45bd | 2383 | |
2f025ea0 ACM |
2384 | |
2385 | double annotation_line__max_percent(struct annotation_line *al, struct annotation *notes) | |
2386 | { | |
2387 | double percent_max = 0.0; | |
2388 | int i; | |
2389 | ||
2390 | for (i = 0; i < notes->nr_events; i++) { | |
2391 | if (al->samples[i].percent > percent_max) | |
2392 | percent_max = al->samples[i].percent; | |
2393 | } | |
2394 | ||
2395 | return percent_max; | |
2396 | } | |
2397 | ||
a1e9b74c ACM |
2398 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2399 | void *obj, char *bf, size_t size, | |
2400 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2401 | void (*obj__write_graph)(void *obj, int graph)) | |
2402 | { | |
2403 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2404 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2405 | bool fwd; |
a1e9b74c | 2406 | |
751b1783 ACM |
2407 | if (dl->ops.target.outside) |
2408 | goto call_like; | |
2409 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2410 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2411 | obj__printf(obj, " "); | |
2412 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2413 | call_like: |
a1e9b74c ACM |
2414 | obj__write_graph(obj, RARROW_CHAR); |
2415 | obj__printf(obj, " "); | |
2416 | } else if (ins__is_ret(&dl->ins)) { | |
2417 | obj__write_graph(obj, LARROW_CHAR); | |
2418 | obj__printf(obj, " "); | |
2419 | } else { | |
2420 | obj__printf(obj, " "); | |
2421 | } | |
2422 | } else { | |
2423 | obj__printf(obj, " "); | |
2424 | } | |
2425 | ||
2426 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); | |
2427 | } | |
2428 | ||
c298304b ACM |
2429 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2430 | bool first_line, bool current_entry, bool change_color, int width, | |
2431 | void *obj, | |
2432 | int (*obj__set_color)(void *obj, int color), | |
2433 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2434 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2435 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2436 | void (*obj__write_graph)(void *obj, int graph)) | |
2437 | ||
2ba5eca1 ACM |
2438 | { |
2439 | double percent_max = annotation_line__max_percent(al, notes); | |
a1e9b74c ACM |
2440 | int pcnt_width = annotation__pcnt_width(notes), |
2441 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2442 | bool show_title = false; |
a1e9b74c ACM |
2443 | char bf[256]; |
2444 | int printed; | |
2ba5eca1 ACM |
2445 | |
2446 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2447 | if (notes->have_cycles) { | |
2448 | if (al->ipc == 0.0 && al->cycles == 0) | |
2449 | show_title = true; | |
2450 | } else | |
2451 | show_title = true; | |
2452 | } | |
2453 | ||
2ba5eca1 ACM |
2454 | if (al->offset != -1 && percent_max != 0.0) { |
2455 | int i; | |
2456 | ||
2457 | for (i = 0; i < notes->nr_events; i++) { | |
2458 | obj__set_percent_color(obj, al->samples[i].percent, current_entry); | |
2459 | if (notes->options->show_total_period) { | |
2460 | obj__printf(obj, "%11" PRIu64 " ", al->samples[i].he.period); | |
2461 | } else if (notes->options->show_nr_samples) { | |
2462 | obj__printf(obj, "%6" PRIu64 " ", | |
2463 | al->samples[i].he.nr_samples); | |
2464 | } else { | |
2465 | obj__printf(obj, "%6.2f ", | |
2466 | al->samples[i].percent); | |
2467 | } | |
2468 | } | |
2469 | } else { | |
2ba5eca1 ACM |
2470 | obj__set_percent_color(obj, 0, current_entry); |
2471 | ||
2472 | if (!show_title) | |
a1e9b74c | 2473 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2474 | else { |
a1e9b74c | 2475 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2476 | notes->options->show_total_period ? "Period" : |
2477 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2478 | } | |
2479 | } | |
2480 | ||
2481 | if (notes->have_cycles) { | |
2482 | if (al->ipc) | |
2483 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2484 | else if (!show_title) | |
2485 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2486 | else | |
2487 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2488 | ||
2489 | if (al->cycles) | |
2490 | obj__printf(obj, "%*" PRIu64 " ", | |
2491 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); | |
2492 | else if (!show_title) | |
2493 | obj__printf(obj, "%*s", ANNOTATION__CYCLES_WIDTH, " "); | |
2494 | else | |
2495 | obj__printf(obj, "%*s ", ANNOTATION__CYCLES_WIDTH - 1, "Cycle"); | |
2496 | } | |
2497 | ||
2498 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2499 | |
2500 | if (!*al->line) | |
2501 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2502 | else if (al->offset == -1) { | |
2503 | if (al->line_nr && notes->options->show_linenr) | |
2504 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2505 | else | |
2506 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2507 | obj__printf(obj, bf); | |
2508 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2509 | } else { | |
2510 | u64 addr = al->offset; | |
2511 | int color = -1; | |
2512 | ||
2513 | if (!notes->options->use_offset) | |
2514 | addr += notes->start; | |
2515 | ||
2516 | if (!notes->options->use_offset) { | |
2517 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2518 | } else { | |
592c10e2 ACM |
2519 | if (al->jump_sources && |
2520 | notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { | |
a1e9b74c ACM |
2521 | if (notes->options->show_nr_jumps) { |
2522 | int prev; | |
2523 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2524 | notes->widths.jumps, | |
2525 | al->jump_sources); | |
2526 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2527 | current_entry); | |
2528 | obj__printf(obj, bf); | |
2529 | obj__set_color(obj, prev); | |
2530 | } | |
592c10e2 | 2531 | print_addr: |
a1e9b74c ACM |
2532 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", |
2533 | notes->widths.target, addr); | |
592c10e2 ACM |
2534 | } else if (ins__is_call(&disasm_line(al)->ins) && |
2535 | notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { | |
2536 | goto print_addr; | |
2537 | } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { | |
2538 | goto print_addr; | |
a1e9b74c ACM |
2539 | } else { |
2540 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2541 | notes->widths.addr, " "); | |
2542 | } | |
2543 | } | |
2544 | ||
2545 | if (change_color) | |
2546 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2547 | obj__printf(obj, bf); | |
2548 | if (change_color) | |
2549 | obj__set_color(obj, color); | |
2550 | ||
2551 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2552 | ||
2553 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2554 | } | |
2555 | ||
2ba5eca1 ACM |
2556 | } |
2557 | ||
c298304b ACM |
2558 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2559 | struct annotation_write_ops *ops) | |
2560 | { | |
2561 | __annotation_line__write(al, notes, ops->first_line, ops->current_entry, | |
2562 | ops->change_color, ops->width, ops->obj, | |
2563 | ops->set_color, ops->set_percent_color, | |
2564 | ops->set_jumps_percent_color, ops->printf, | |
2565 | ops->write_graph); | |
2566 | } | |
2567 | ||
ecda45bd ACM |
2568 | int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, |
2569 | struct annotation_options *options, struct arch **parch) | |
2570 | { | |
2571 | struct annotation *notes = symbol__annotation(sym); | |
2572 | size_t size = symbol__size(sym); | |
2573 | int nr_pcnt = 1, err; | |
2574 | ||
2575 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2576 | if (notes->offsets == NULL) | |
2577 | return -1; | |
2578 | ||
2579 | if (perf_evsel__is_group_event(evsel)) | |
2580 | nr_pcnt = evsel->nr_members; | |
2581 | ||
2582 | err = symbol__annotate(sym, map, evsel, 0, parch); | |
2583 | if (err) | |
2584 | goto out_free_offsets; | |
2585 | ||
2586 | notes->options = options; | |
2587 | ||
2588 | symbol__calc_percent(sym, evsel); | |
2589 | ||
2590 | notes->start = map__rip_2objdump(map, sym->start); | |
2591 | ||
2592 | annotation__set_offsets(notes, size); | |
2593 | annotation__mark_jump_targets(notes, sym); | |
2594 | annotation__compute_ipc(notes, size); | |
2595 | annotation__init_column_widths(notes, sym); | |
2596 | notes->nr_events = nr_pcnt; | |
2597 | ||
2598 | annotation__update_column_widths(notes); | |
2599 | ||
2600 | return 0; | |
2601 | ||
2602 | out_free_offsets: | |
2603 | zfree(¬es->offsets); | |
2604 | return -1; | |
2605 | } | |
7f0b6fde | 2606 | |
b213eac2 ACM |
2607 | int __annotation__scnprintf_samples_period(struct annotation *notes, |
2608 | char *bf, size_t size, | |
2609 | struct perf_evsel *evsel, | |
2610 | bool show_freq) | |
2611 | { | |
2612 | const char *ev_name = perf_evsel__name(evsel); | |
c0459a09 | 2613 | char buf[1024], ref[30] = " show reference callgraph, "; |
b213eac2 ACM |
2614 | char sample_freq_str[64] = ""; |
2615 | unsigned long nr_samples = 0; | |
2616 | int nr_members = 1; | |
2617 | bool enable_ref = false; | |
2618 | u64 nr_events = 0; | |
2619 | char unit; | |
2620 | int i; | |
2621 | ||
c0459a09 ACM |
2622 | if (perf_evsel__is_group_event(evsel)) { |
2623 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2624 | ev_name = buf; | |
b213eac2 | 2625 | nr_members = evsel->nr_members; |
c0459a09 | 2626 | } |
b213eac2 ACM |
2627 | |
2628 | for (i = 0; i < nr_members; i++) { | |
2629 | struct sym_hist *ah = annotation__histogram(notes, evsel->idx + i); | |
2630 | ||
2631 | nr_samples += ah->nr_samples; | |
2632 | nr_events += ah->period; | |
2633 | } | |
2634 | ||
2635 | if (symbol_conf.show_ref_callgraph && strstr(ev_name, "call-graph=no")) | |
2636 | enable_ref = true; | |
2637 | ||
2638 | if (show_freq) | |
2639 | scnprintf(sample_freq_str, sizeof(sample_freq_str), " %d Hz,", evsel->attr.sample_freq); | |
2640 | ||
2641 | nr_samples = convert_unit(nr_samples, &unit); | |
2642 | return scnprintf(bf, size, "Samples: %lu%c of event%s '%s',%s%sEvent count (approx.): %" PRIu64, | |
2643 | nr_samples, unit, evsel->nr_members > 1 ? "s" : "", | |
2644 | ev_name, sample_freq_str, enable_ref ? ref : " ", nr_events); | |
2645 | } | |
2646 | ||
7f0b6fde ACM |
2647 | #define ANNOTATION__CFG(n) \ |
2648 | { .name = #n, .value = &annotation__default_options.n, } | |
2649 | ||
2650 | /* | |
2651 | * Keep the entries sorted, they are bsearch'ed | |
2652 | */ | |
2653 | static struct annotation_config { | |
2654 | const char *name; | |
43c40231 | 2655 | void *value; |
7f0b6fde ACM |
2656 | } annotation__configs[] = { |
2657 | ANNOTATION__CFG(hide_src_code), | |
2658 | ANNOTATION__CFG(jump_arrows), | |
43c40231 | 2659 | ANNOTATION__CFG(offset_level), |
7f0b6fde ACM |
2660 | ANNOTATION__CFG(show_linenr), |
2661 | ANNOTATION__CFG(show_nr_jumps), | |
2662 | ANNOTATION__CFG(show_nr_samples), | |
2663 | ANNOTATION__CFG(show_total_period), | |
2664 | ANNOTATION__CFG(use_offset), | |
2665 | }; | |
2666 | ||
2667 | #undef ANNOTATION__CFG | |
2668 | ||
2669 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
2670 | { | |
2671 | const struct annotation_config *cfg = cfgp; | |
2672 | ||
2673 | return strcmp(name, cfg->name); | |
2674 | } | |
2675 | ||
2676 | static int annotation__config(const char *var, const char *value, | |
2677 | void *data __maybe_unused) | |
2678 | { | |
2679 | struct annotation_config *cfg; | |
2680 | const char *name; | |
2681 | ||
2682 | if (!strstarts(var, "annotate.")) | |
2683 | return 0; | |
2684 | ||
2685 | name = var + 9; | |
2686 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
2687 | sizeof(struct annotation_config), annotation_config__cmp); | |
2688 | ||
2689 | if (cfg == NULL) | |
2690 | pr_debug("%s variable unknown, ignoring...", var); | |
43c40231 ACM |
2691 | else if (strcmp(var, "annotate.offset_level") == 0) { |
2692 | perf_config_int(cfg->value, name, value); | |
2693 | ||
2694 | if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) | |
2695 | *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; | |
2696 | else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) | |
2697 | *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; | |
2698 | } else { | |
2699 | *(bool *)cfg->value = perf_config_bool(name, value); | |
2700 | } | |
7f0b6fde ACM |
2701 | return 0; |
2702 | } | |
2703 | ||
2704 | void annotation_config__init(void) | |
2705 | { | |
2706 | perf_config(annotation__config, NULL); | |
2707 | ||
2708 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
2709 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
2710 | } |