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Commit | Line | Data |
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78f7defe ACM |
1 | /* |
2 | * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
3 | * | |
4 | * Parts came from builtin-annotate.c, see those files for further | |
5 | * copyright notes. | |
6 | * | |
7 | * Released under the GPL v2. (and only v2, not any later version) | |
8 | */ | |
9 | ||
a43783ae | 10 | #include <errno.h> |
fd20e811 | 11 | #include <inttypes.h> |
78f7defe | 12 | #include "util.h" |
48c65bda NK |
13 | #include "ui/ui.h" |
14 | #include "sort.h" | |
78f7defe ACM |
15 | #include "build-id.h" |
16 | #include "color.h" | |
7f0b6fde | 17 | #include "config.h" |
78f7defe ACM |
18 | #include "cache.h" |
19 | #include "symbol.h" | |
b213eac2 | 20 | #include "units.h" |
78f7defe ACM |
21 | #include "debug.h" |
22 | #include "annotate.h" | |
db8fd07a | 23 | #include "evsel.h" |
0693f758 | 24 | #include "evlist.h" |
70fbe057 | 25 | #include "block-range.h" |
a067558e | 26 | #include "string2.h" |
786c1b51 | 27 | #include "arch/common.h" |
e592488c | 28 | #include <regex.h> |
ce6f4fab | 29 | #include <pthread.h> |
4383db88 | 30 | #include <linux/bitops.h> |
877a7a11 | 31 | #include <linux/kernel.h> |
78f7defe | 32 | |
a1e9b74c ACM |
33 | /* FIXME: For the HE_COLORSET */ |
34 | #include "ui/browser.h" | |
35 | ||
36 | /* | |
37 | * FIXME: Using the same values as slang.h, | |
38 | * but that header may not be available everywhere | |
39 | */ | |
c298304b ACM |
40 | #define LARROW_CHAR ((unsigned char)',') |
41 | #define RARROW_CHAR ((unsigned char)'+') | |
42 | #define DARROW_CHAR ((unsigned char)'.') | |
43 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 44 | |
3d689ed6 ACM |
45 | #include "sane_ctype.h" |
46 | ||
7f0b6fde ACM |
47 | struct annotation_options annotation__default_options = { |
48 | .use_offset = true, | |
49 | .jump_arrows = true, | |
1eddd9e4 | 50 | .annotate_src = true, |
592c10e2 | 51 | .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, |
addba8b6 | 52 | .percent_type = PERCENT_PERIOD_LOCAL, |
7f0b6fde ACM |
53 | }; |
54 | ||
e592488c | 55 | static regex_t file_lineno; |
f69b64f7 | 56 | |
75b49202 | 57 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 58 | static void ins__sort(struct arch *arch); |
75b49202 | 59 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 60 | |
786c1b51 ACM |
61 | struct arch { |
62 | const char *name; | |
763d8960 ACM |
63 | struct ins *instructions; |
64 | size_t nr_instructions; | |
2a1ff812 ACM |
65 | size_t nr_instructions_allocated; |
66 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 67 | bool sorted_instructions; |
0781ea92 ACM |
68 | bool initialized; |
69 | void *priv; | |
69fb09f6 JY |
70 | unsigned int model; |
71 | unsigned int family; | |
696e2457 | 72 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
73 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
74 | const char *ins2); | |
786c1b51 ACM |
75 | struct { |
76 | char comment_char; | |
9c2fb451 | 77 | char skip_functions_char; |
786c1b51 ACM |
78 | } objdump; |
79 | }; | |
80 | ||
763d8960 ACM |
81 | static struct ins_ops call_ops; |
82 | static struct ins_ops dec_ops; | |
83 | static struct ins_ops jump_ops; | |
84 | static struct ins_ops mov_ops; | |
85 | static struct ins_ops nop_ops; | |
86 | static struct ins_ops lock_ops; | |
87 | static struct ins_ops ret_ops; | |
88 | ||
2a1ff812 ACM |
89 | static int arch__grow_instructions(struct arch *arch) |
90 | { | |
91 | struct ins *new_instructions; | |
92 | size_t new_nr_allocated; | |
93 | ||
94 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
95 | goto grow_from_non_allocated_table; | |
96 | ||
97 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
98 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
99 | if (new_instructions == NULL) | |
100 | return -1; | |
101 | ||
102 | out_update_instructions: | |
103 | arch->instructions = new_instructions; | |
104 | arch->nr_instructions_allocated = new_nr_allocated; | |
105 | return 0; | |
106 | ||
107 | grow_from_non_allocated_table: | |
108 | new_nr_allocated = arch->nr_instructions + 128; | |
109 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
110 | if (new_instructions == NULL) | |
111 | return -1; | |
112 | ||
113 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
114 | goto out_update_instructions; | |
115 | } | |
116 | ||
acc9bfb5 | 117 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
118 | { |
119 | struct ins *ins; | |
120 | ||
121 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
122 | arch__grow_instructions(arch)) | |
123 | return -1; | |
124 | ||
125 | ins = &arch->instructions[arch->nr_instructions]; | |
126 | ins->name = strdup(name); | |
127 | if (!ins->name) | |
128 | return -1; | |
129 | ||
130 | ins->ops = ops; | |
131 | arch->nr_instructions++; | |
132 | ||
133 | ins__sort(arch); | |
134 | return 0; | |
135 | } | |
136 | ||
763d8960 | 137 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 138 | #include "arch/arm64/annotate/instructions.c" |
763d8960 | 139 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 140 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 141 | #include "arch/s390/annotate/instructions.c" |
0ab41886 | 142 | #include "arch/sparc/annotate/instructions.c" |
763d8960 | 143 | |
786c1b51 ACM |
144 | static struct arch architectures[] = { |
145 | { | |
146 | .name = "arm", | |
acc9bfb5 | 147 | .init = arm__annotate_init, |
786c1b51 | 148 | }, |
0fcb1da4 KP |
149 | { |
150 | .name = "arm64", | |
151 | .init = arm64__annotate_init, | |
152 | }, | |
786c1b51 ACM |
153 | { |
154 | .name = "x86", | |
696e2457 | 155 | .init = x86__annotate_init, |
763d8960 ACM |
156 | .instructions = x86__instructions, |
157 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 158 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
159 | .objdump = { |
160 | .comment_char = '#', | |
161 | }, | |
162 | }, | |
dbdebdc5 RB |
163 | { |
164 | .name = "powerpc", | |
165 | .init = powerpc__annotate_init, | |
166 | }, | |
e77852b3 CB |
167 | { |
168 | .name = "s390", | |
d9f8dfa9 | 169 | .init = s390__annotate_init, |
e77852b3 CB |
170 | .objdump = { |
171 | .comment_char = '#', | |
172 | }, | |
173 | }, | |
0ab41886 DM |
174 | { |
175 | .name = "sparc", | |
176 | .init = sparc__annotate_init, | |
177 | .objdump = { | |
178 | .comment_char = '#', | |
179 | }, | |
180 | }, | |
786c1b51 ACM |
181 | }; |
182 | ||
c46219ac ACM |
183 | static void ins__delete(struct ins_operands *ops) |
184 | { | |
3995614d ACM |
185 | if (ops == NULL) |
186 | return; | |
74cf249d ACM |
187 | zfree(&ops->source.raw); |
188 | zfree(&ops->source.name); | |
189 | zfree(&ops->target.raw); | |
190 | zfree(&ops->target.name); | |
c46219ac ACM |
191 | } |
192 | ||
5417072b ACM |
193 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
194 | struct ins_operands *ops) | |
195 | { | |
648388ae | 196 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->raw); |
5417072b ACM |
197 | } |
198 | ||
199 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
200 | struct ins_operands *ops) | |
201 | { | |
202 | if (ins->ops->scnprintf) | |
203 | return ins->ops->scnprintf(ins, bf, size, ops); | |
204 | ||
205 | return ins__raw_scnprintf(ins, bf, size, ops); | |
206 | } | |
207 | ||
69fb09f6 JY |
208 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
209 | { | |
210 | if (!arch || !arch->ins_is_fused) | |
211 | return false; | |
212 | ||
213 | return arch->ins_is_fused(arch, ins1, ins2); | |
214 | } | |
215 | ||
85a84e4f | 216 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 217 | { |
d2232885 | 218 | char *endptr, *tok, *name; |
85a84e4f | 219 | struct map *map = ms->map; |
696703af ACM |
220 | struct addr_map_symbol target = { |
221 | .map = map, | |
222 | }; | |
d2232885 | 223 | |
44d1a3ed | 224 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
225 | |
226 | name = strchr(endptr, '<'); | |
227 | if (name == NULL) | |
228 | goto indirect_call; | |
229 | ||
230 | name++; | |
231 | ||
9c2fb451 ACM |
232 | if (arch->objdump.skip_functions_char && |
233 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 234 | return -1; |
cfef25b8 | 235 | |
d2232885 ACM |
236 | tok = strchr(name, '>'); |
237 | if (tok == NULL) | |
238 | return -1; | |
239 | ||
240 | *tok = '\0'; | |
44d1a3ed | 241 | ops->target.name = strdup(name); |
d2232885 ACM |
242 | *tok = '>'; |
243 | ||
696703af ACM |
244 | if (ops->target.name == NULL) |
245 | return -1; | |
246 | find_target: | |
247 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 248 | |
696703af ACM |
249 | if (map_groups__find_ams(&target) == 0 && |
250 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
251 | ops->target.sym = target.sym; | |
e8ea1561 | 252 | |
d86b0597 | 253 | return 0; |
696703af ACM |
254 | |
255 | indirect_call: | |
256 | tok = strchr(endptr, '*'); | |
1dc27f63 ML |
257 | if (tok != NULL) { |
258 | endptr++; | |
259 | ||
260 | /* Indirect call can use a non-rip register and offset: callq *0x8(%rbx). | |
261 | * Do not parse such instruction. */ | |
262 | if (strstr(endptr, "(%r") == NULL) | |
263 | ops->target.addr = strtoull(endptr, NULL, 16); | |
264 | } | |
696703af | 265 | goto find_target; |
d86b0597 ACM |
266 | } |
267 | ||
d2232885 | 268 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 269 | struct ins_operands *ops) |
d2232885 | 270 | { |
696703af ACM |
271 | if (ops->target.sym) |
272 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
d2232885 | 273 | |
e8ea1561 ACM |
274 | if (ops->target.addr == 0) |
275 | return ins__raw_scnprintf(ins, bf, size, ops); | |
276 | ||
4c9cb2c2 ACM |
277 | if (ops->target.name) |
278 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.name); | |
279 | ||
648388ae | 280 | return scnprintf(bf, size, "%-6s *%" PRIx64, ins->name, ops->target.addr); |
d2232885 ACM |
281 | } |
282 | ||
d86b0597 | 283 | static struct ins_ops call_ops = { |
d2232885 ACM |
284 | .parse = call__parse, |
285 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
286 | }; |
287 | ||
288 | bool ins__is_call(const struct ins *ins) | |
289 | { | |
0b58a77c | 290 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
291 | } |
292 | ||
4e67b2a5 KP |
293 | /* |
294 | * Prevents from matching commas in the comment section, e.g.: | |
295 | * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast | |
296 | */ | |
297 | static inline const char *validate_comma(const char *c, struct ins_operands *ops) | |
298 | { | |
299 | if (ops->raw_comment && c > ops->raw_comment) | |
300 | return NULL; | |
301 | ||
302 | return c; | |
303 | } | |
304 | ||
305 | static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) | |
4f9d0325 | 306 | { |
751b1783 ACM |
307 | struct map *map = ms->map; |
308 | struct symbol *sym = ms->sym; | |
309 | struct addr_map_symbol target = { | |
310 | .map = map, | |
311 | }; | |
3ee2eb6d | 312 | const char *c = strchr(ops->raw, ','); |
751b1783 | 313 | u64 start, end; |
4e67b2a5 KP |
314 | |
315 | ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char); | |
316 | c = validate_comma(c, ops); | |
317 | ||
751b1783 ACM |
318 | /* |
319 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
320 | * function: | |
321 | * | |
322 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
323 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
324 | * | |
325 | * The first is a jump to an offset inside the same function, | |
326 | * the second is to another function, i.e. that 0xa72 is an | |
327 | * offset in the cpp_named_operator2name@@base function. | |
328 | */ | |
b13bbeee KP |
329 | /* |
330 | * skip over possible up to 2 operands to get to address, e.g.: | |
331 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
332 | */ | |
333 | if (c++ != NULL) { | |
3ee2eb6d | 334 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
335 | if (!ops->target.addr) { |
336 | c = strchr(c, ','); | |
4e67b2a5 | 337 | c = validate_comma(c, ops); |
b13bbeee KP |
338 | if (c++ != NULL) |
339 | ops->target.addr = strtoull(c, NULL, 16); | |
340 | } | |
341 | } else { | |
3ee2eb6d | 342 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 343 | } |
fb29fa58 | 344 | |
751b1783 ACM |
345 | target.addr = map__objdump_2mem(map, ops->target.addr); |
346 | start = map->unmap_ip(map, sym->start), | |
347 | end = map->unmap_ip(map, sym->end); | |
348 | ||
349 | ops->target.outside = target.addr < start || target.addr > end; | |
350 | ||
351 | /* | |
352 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
353 | ||
354 | cpp_named_operator2name@@Base+0xa72 | |
355 | ||
356 | * Point to a place that is after the cpp_named_operator2name | |
357 | * boundaries, i.e. in the ELF symbol table for cc1 | |
358 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
359 | * fact is much larger than that, so we seem to need a symbols__find() | |
360 | * routine that looks for >= current->start and < next_symbol->start, | |
361 | * possibly just for C++ objects? | |
362 | * | |
363 | * For now lets just make some progress by marking jumps to outside the | |
364 | * current function as call like. | |
365 | * | |
366 | * Actual navigation will come next, with further understanding of how | |
367 | * the symbol searching and disassembly should be done. | |
e4cc91b8 | 368 | */ |
751b1783 ACM |
369 | if (map_groups__find_ams(&target) == 0 && |
370 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
371 | ops->target.sym = target.sym; | |
751b1783 | 372 | |
980b68ec ACM |
373 | if (!ops->target.outside) { |
374 | ops->target.offset = target.addr - start; | |
e216874c RB |
375 | ops->target.offset_avail = true; |
376 | } else { | |
377 | ops->target.offset_avail = false; | |
378 | } | |
4f9d0325 | 379 | |
4f9d0325 ACM |
380 | return 0; |
381 | } | |
382 | ||
c7e6ead7 | 383 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
5417072b | 384 | struct ins_operands *ops) |
28548d78 | 385 | { |
c448234c | 386 | const char *c; |
b13bbeee | 387 | |
e216874c | 388 | if (!ops->target.addr || ops->target.offset < 0) |
bec60e50 RB |
389 | return ins__raw_scnprintf(ins, bf, size, ops); |
390 | ||
e4cc91b8 ACM |
391 | if (ops->target.outside && ops->target.sym != NULL) |
392 | return scnprintf(bf, size, "%-6s %s", ins->name, ops->target.sym->name); | |
393 | ||
c448234c | 394 | c = strchr(ops->raw, ','); |
4e67b2a5 KP |
395 | c = validate_comma(c, ops); |
396 | ||
b13bbeee KP |
397 | if (c != NULL) { |
398 | const char *c2 = strchr(c + 1, ','); | |
399 | ||
4e67b2a5 | 400 | c2 = validate_comma(c2, ops); |
b13bbeee KP |
401 | /* check for 3-op insn */ |
402 | if (c2 != NULL) | |
403 | c = c2; | |
404 | c++; | |
405 | ||
406 | /* mirror arch objdump's space-after-comma style */ | |
407 | if (*c == ' ') | |
408 | c++; | |
409 | } | |
410 | ||
648388ae | 411 | return scnprintf(bf, size, "%-6s %.*s%" PRIx64, |
b13bbeee KP |
412 | ins->name, c ? c - ops->raw : 0, ops->raw, |
413 | ops->target.offset); | |
28548d78 ACM |
414 | } |
415 | ||
4f9d0325 | 416 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
417 | .parse = jump__parse, |
418 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
419 | }; |
420 | ||
421 | bool ins__is_jump(const struct ins *ins) | |
422 | { | |
423 | return ins->ops == &jump_ops; | |
424 | } | |
425 | ||
6de783b6 ACM |
426 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
427 | { | |
428 | char *endptr, *name, *t; | |
429 | ||
430 | if (strstr(raw, "(%rip)") == NULL) | |
431 | return 0; | |
432 | ||
433 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
434 | if (endptr == comment) |
435 | return 0; | |
6de783b6 ACM |
436 | name = strchr(endptr, '<'); |
437 | if (name == NULL) | |
438 | return -1; | |
439 | ||
440 | name++; | |
441 | ||
442 | t = strchr(name, '>'); | |
443 | if (t == NULL) | |
444 | return 0; | |
445 | ||
446 | *t = '\0'; | |
447 | *namep = strdup(name); | |
448 | *t = '>'; | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
85a84e4f | 453 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 454 | { |
7a997fe4 ACM |
455 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
456 | if (ops->locked.ops == NULL) | |
457 | return 0; | |
458 | ||
75b49202 | 459 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
460 | goto out_free_ops; |
461 | ||
75b49202 | 462 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 463 | |
75b49202 | 464 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 465 | goto out_free_ops; |
7a997fe4 | 466 | |
75b49202 | 467 | if (ops->locked.ins.ops->parse && |
85a84e4f | 468 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 469 | goto out_free_ops; |
7a997fe4 ACM |
470 | |
471 | return 0; | |
472 | ||
473 | out_free_ops: | |
04662523 | 474 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
475 | return 0; |
476 | } | |
477 | ||
478 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
479 | struct ins_operands *ops) | |
480 | { | |
481 | int printed; | |
482 | ||
75b49202 | 483 | if (ops->locked.ins.ops == NULL) |
7a997fe4 ACM |
484 | return ins__raw_scnprintf(ins, bf, size, ops); |
485 | ||
648388ae | 486 | printed = scnprintf(bf, size, "%-6s ", ins->name); |
75b49202 | 487 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
7a997fe4 ACM |
488 | size - printed, ops->locked.ops); |
489 | } | |
490 | ||
c46219ac ACM |
491 | static void lock__delete(struct ins_operands *ops) |
492 | { | |
75b49202 | 493 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 494 | |
75b49202 | 495 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
496 | ins->ops->free(ops->locked.ops); |
497 | else | |
498 | ins__delete(ops->locked.ops); | |
499 | ||
74cf249d ACM |
500 | zfree(&ops->locked.ops); |
501 | zfree(&ops->target.raw); | |
502 | zfree(&ops->target.name); | |
c46219ac ACM |
503 | } |
504 | ||
7a997fe4 | 505 | static struct ins_ops lock_ops = { |
c46219ac | 506 | .free = lock__delete, |
7a997fe4 ACM |
507 | .parse = lock__parse, |
508 | .scnprintf = lock__scnprintf, | |
509 | }; | |
510 | ||
85a84e4f | 511 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
512 | { |
513 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
514 | ||
515 | if (s == NULL) | |
516 | return -1; | |
517 | ||
518 | *s = '\0'; | |
519 | ops->source.raw = strdup(ops->raw); | |
520 | *s = ','; | |
48000a1a | 521 | |
6de783b6 ACM |
522 | if (ops->source.raw == NULL) |
523 | return -1; | |
524 | ||
525 | target = ++s; | |
786c1b51 | 526 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
527 | |
528 | if (comment != NULL) | |
529 | s = comment - 1; | |
530 | else | |
531 | s = strchr(s, '\0') - 1; | |
6de783b6 | 532 | |
1e2bb043 AC |
533 | while (s > target && isspace(s[0])) |
534 | --s; | |
535 | s++; | |
6de783b6 ACM |
536 | prev = *s; |
537 | *s = '\0'; | |
538 | ||
539 | ops->target.raw = strdup(target); | |
540 | *s = prev; | |
541 | ||
542 | if (ops->target.raw == NULL) | |
543 | goto out_free_source; | |
544 | ||
6de783b6 ACM |
545 | if (comment == NULL) |
546 | return 0; | |
547 | ||
4597cf06 | 548 | comment = ltrim(comment); |
35a8a148 TR |
549 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
550 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
551 | |
552 | return 0; | |
553 | ||
554 | out_free_source: | |
04662523 | 555 | zfree(&ops->source.raw); |
6de783b6 ACM |
556 | return -1; |
557 | } | |
558 | ||
559 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
560 | struct ins_operands *ops) | |
561 | { | |
648388ae | 562 | return scnprintf(bf, size, "%-6s %s,%s", ins->name, |
6de783b6 ACM |
563 | ops->source.name ?: ops->source.raw, |
564 | ops->target.name ?: ops->target.raw); | |
565 | } | |
566 | ||
567 | static struct ins_ops mov_ops = { | |
568 | .parse = mov__parse, | |
569 | .scnprintf = mov__scnprintf, | |
570 | }; | |
571 | ||
85a84e4f | 572 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
573 | { |
574 | char *target, *comment, *s, prev; | |
575 | ||
576 | target = s = ops->raw; | |
577 | ||
578 | while (s[0] != '\0' && !isspace(s[0])) | |
579 | ++s; | |
580 | prev = *s; | |
581 | *s = '\0'; | |
582 | ||
583 | ops->target.raw = strdup(target); | |
584 | *s = prev; | |
585 | ||
586 | if (ops->target.raw == NULL) | |
587 | return -1; | |
588 | ||
859afa6c | 589 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
590 | if (comment == NULL) |
591 | return 0; | |
592 | ||
4597cf06 | 593 | comment = ltrim(comment); |
35a8a148 | 594 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
595 | |
596 | return 0; | |
597 | } | |
598 | ||
599 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
600 | struct ins_operands *ops) | |
601 | { | |
648388ae | 602 | return scnprintf(bf, size, "%-6s %s", ins->name, |
a43712c4 ACM |
603 | ops->target.name ?: ops->target.raw); |
604 | } | |
605 | ||
606 | static struct ins_ops dec_ops = { | |
607 | .parse = dec__parse, | |
608 | .scnprintf = dec__scnprintf, | |
609 | }; | |
610 | ||
1d037ca1 IT |
611 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
612 | struct ins_operands *ops __maybe_unused) | |
b9818e93 | 613 | { |
648388ae | 614 | return scnprintf(bf, size, "%-6s", "nop"); |
b9818e93 ACM |
615 | } |
616 | ||
617 | static struct ins_ops nop_ops = { | |
618 | .scnprintf = nop__scnprintf, | |
619 | }; | |
620 | ||
6ef94929 NR |
621 | static struct ins_ops ret_ops = { |
622 | .scnprintf = ins__raw_scnprintf, | |
623 | }; | |
624 | ||
625 | bool ins__is_ret(const struct ins *ins) | |
626 | { | |
627 | return ins->ops == &ret_ops; | |
628 | } | |
629 | ||
7e63a13a JY |
630 | bool ins__is_lock(const struct ins *ins) |
631 | { | |
632 | return ins->ops == &lock_ops; | |
633 | } | |
634 | ||
7e4c1498 | 635 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
636 | { |
637 | const struct ins *ins = insp; | |
638 | ||
639 | return strcmp(name, ins->name); | |
640 | } | |
641 | ||
7e4c1498 CR |
642 | static int ins__cmp(const void *a, const void *b) |
643 | { | |
644 | const struct ins *ia = a; | |
645 | const struct ins *ib = b; | |
646 | ||
647 | return strcmp(ia->name, ib->name); | |
648 | } | |
649 | ||
763d8960 | 650 | static void ins__sort(struct arch *arch) |
7e4c1498 | 651 | { |
763d8960 | 652 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 653 | |
763d8960 | 654 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
655 | } |
656 | ||
2a1ff812 | 657 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 658 | { |
75b49202 | 659 | struct ins *ins; |
763d8960 | 660 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 661 | |
763d8960 ACM |
662 | if (!arch->sorted_instructions) { |
663 | ins__sort(arch); | |
664 | arch->sorted_instructions = true; | |
7e4c1498 | 665 | } |
4f9d0325 | 666 | |
75b49202 ACM |
667 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
668 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
669 | } |
670 | ||
2a1ff812 ACM |
671 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
672 | { | |
673 | struct ins_ops *ops = __ins__find(arch, name); | |
674 | ||
675 | if (!ops && arch->associate_instruction_ops) | |
676 | ops = arch->associate_instruction_ops(arch, name); | |
677 | ||
678 | return ops; | |
679 | } | |
680 | ||
786c1b51 ACM |
681 | static int arch__key_cmp(const void *name, const void *archp) |
682 | { | |
683 | const struct arch *arch = archp; | |
684 | ||
685 | return strcmp(name, arch->name); | |
686 | } | |
687 | ||
688 | static int arch__cmp(const void *a, const void *b) | |
689 | { | |
690 | const struct arch *aa = a; | |
691 | const struct arch *ab = b; | |
692 | ||
693 | return strcmp(aa->name, ab->name); | |
694 | } | |
695 | ||
696 | static void arch__sort(void) | |
697 | { | |
698 | const int nmemb = ARRAY_SIZE(architectures); | |
699 | ||
700 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
701 | } | |
702 | ||
703 | static struct arch *arch__find(const char *name) | |
704 | { | |
705 | const int nmemb = ARRAY_SIZE(architectures); | |
706 | static bool sorted; | |
707 | ||
708 | if (!sorted) { | |
709 | arch__sort(); | |
710 | sorted = true; | |
711 | } | |
712 | ||
713 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
714 | } | |
715 | ||
ca396503 ACM |
716 | static struct annotated_source *annotated_source__new(void) |
717 | { | |
718 | struct annotated_source *src = zalloc(sizeof(*src)); | |
719 | ||
720 | if (src != NULL) | |
721 | INIT_LIST_HEAD(&src->source); | |
722 | ||
723 | return src; | |
724 | } | |
725 | ||
14c8dde1 | 726 | static __maybe_unused void annotated_source__delete(struct annotated_source *src) |
ca396503 ACM |
727 | { |
728 | if (src == NULL) | |
729 | return; | |
730 | zfree(&src->histograms); | |
731 | zfree(&src->cycles_hist); | |
732 | free(src); | |
733 | } | |
734 | ||
be3e26d9 ACM |
735 | static int annotated_source__alloc_histograms(struct annotated_source *src, |
736 | size_t size, int nr_hists) | |
ce6f4fab | 737 | { |
8696329b CS |
738 | size_t sizeof_sym_hist; |
739 | ||
331c7cb3 RB |
740 | /* |
741 | * Add buffer of one element for zero length symbol. | |
742 | * When sample is taken from first instruction of | |
743 | * zero length symbol, perf still resolves it and | |
744 | * shows symbol name in perf report and allows to | |
745 | * annotate it. | |
746 | */ | |
747 | if (size == 0) | |
748 | size = 1; | |
749 | ||
8696329b | 750 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 751 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
752 | return -1; |
753 | ||
896bccd3 | 754 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
755 | |
756 | /* Check for overflow in zalloc argument */ | |
be3e26d9 | 757 | if (sizeof_sym_hist > SIZE_MAX / nr_hists) |
8696329b | 758 | return -1; |
ce6f4fab | 759 | |
be3e26d9 ACM |
760 | src->sizeof_sym_hist = sizeof_sym_hist; |
761 | src->nr_histograms = nr_hists; | |
762 | src->histograms = calloc(nr_hists, sizeof_sym_hist) ; | |
763 | return src->histograms ? 0 : -1; | |
764 | } | |
765 | ||
d4957633 AK |
766 | /* The cycles histogram is lazily allocated. */ |
767 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
768 | { | |
769 | struct annotation *notes = symbol__annotation(sym); | |
770 | const size_t size = symbol__size(sym); | |
771 | ||
772 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
773 | if (notes->src->cycles_hist == NULL) | |
774 | return -1; | |
775 | return 0; | |
776 | } | |
777 | ||
36532461 ACM |
778 | void symbol__annotate_zero_histograms(struct symbol *sym) |
779 | { | |
780 | struct annotation *notes = symbol__annotation(sym); | |
781 | ||
ce6f4fab | 782 | pthread_mutex_lock(¬es->lock); |
d4957633 | 783 | if (notes->src != NULL) { |
ce6f4fab ACM |
784 | memset(notes->src->histograms, 0, |
785 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
786 | if (notes->src->cycles_hist) |
787 | memset(notes->src->cycles_hist, 0, | |
788 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
789 | } | |
ce6f4fab | 790 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
791 | } |
792 | ||
f40dd6d1 | 793 | static int __symbol__account_cycles(struct cyc_hist *ch, |
d4957633 AK |
794 | u64 start, |
795 | unsigned offset, unsigned cycles, | |
796 | unsigned have_start) | |
797 | { | |
d4957633 AK |
798 | /* |
799 | * For now we can only account one basic block per | |
800 | * final jump. But multiple could be overlapping. | |
801 | * Always account the longest one. So when | |
802 | * a shorter one has been already seen throw it away. | |
803 | * | |
804 | * We separately always account the full cycles. | |
805 | */ | |
806 | ch[offset].num_aggr++; | |
807 | ch[offset].cycles_aggr += cycles; | |
808 | ||
48659ebf JY |
809 | if (cycles > ch[offset].cycles_max) |
810 | ch[offset].cycles_max = cycles; | |
811 | ||
812 | if (ch[offset].cycles_min) { | |
813 | if (cycles && cycles < ch[offset].cycles_min) | |
814 | ch[offset].cycles_min = cycles; | |
815 | } else | |
816 | ch[offset].cycles_min = cycles; | |
817 | ||
d4957633 AK |
818 | if (!have_start && ch[offset].have_start) |
819 | return 0; | |
820 | if (ch[offset].num) { | |
821 | if (have_start && (!ch[offset].have_start || | |
822 | ch[offset].start > start)) { | |
823 | ch[offset].have_start = 0; | |
824 | ch[offset].cycles = 0; | |
825 | ch[offset].num = 0; | |
826 | if (ch[offset].reset < 0xffff) | |
827 | ch[offset].reset++; | |
828 | } else if (have_start && | |
829 | ch[offset].start < start) | |
830 | return 0; | |
831 | } | |
832 | ch[offset].have_start = have_start; | |
833 | ch[offset].start = start; | |
834 | ch[offset].cycles += cycles; | |
835 | ch[offset].num++; | |
836 | return 0; | |
837 | } | |
838 | ||
b66d8c0c | 839 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e1a91a83 | 840 | struct annotated_source *src, int evidx, u64 addr, |
461c17f0 | 841 | struct perf_sample *sample) |
78f7defe | 842 | { |
2f525d01 | 843 | unsigned offset; |
78f7defe ACM |
844 | struct sym_hist *h; |
845 | ||
78f7defe ACM |
846 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
847 | ||
edee44be RB |
848 | if ((addr < sym->start || addr >= sym->end) && |
849 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
850 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
851 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 852 | return -ERANGE; |
e3d006ce | 853 | } |
78f7defe | 854 | |
2f525d01 | 855 | offset = addr - sym->start; |
e1a91a83 | 856 | h = annotated_source__histogram(src, evidx); |
8d628d26 ACM |
857 | if (h == NULL) { |
858 | pr_debug("%s(%d): ENOMEM! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 ", func: %d\n", | |
859 | __func__, __LINE__, sym->name, sym->start, addr, sym->end, sym->type == STT_FUNC); | |
860 | return -ENOMEM; | |
861 | } | |
8158683d | 862 | h->nr_samples++; |
896bccd3 | 863 | h->addr[offset].nr_samples++; |
461c17f0 TS |
864 | h->period += sample->period; |
865 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
866 | |
867 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
868 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
869 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
870 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
871 | return 0; |
872 | } | |
873 | ||
c6b635ee | 874 | static struct cyc_hist *symbol__cycles_hist(struct symbol *sym) |
83be34a7 AK |
875 | { |
876 | struct annotation *notes = symbol__annotation(sym); | |
877 | ||
878 | if (notes->src == NULL) { | |
c6b635ee ACM |
879 | notes->src = annotated_source__new(); |
880 | if (notes->src == NULL) | |
83be34a7 | 881 | return NULL; |
c6b635ee | 882 | goto alloc_cycles_hist; |
83be34a7 | 883 | } |
c6b635ee ACM |
884 | |
885 | if (!notes->src->cycles_hist) { | |
886 | alloc_cycles_hist: | |
887 | symbol__alloc_hist_cycles(sym); | |
d4957633 | 888 | } |
c6b635ee ACM |
889 | |
890 | return notes->src->cycles_hist; | |
83be34a7 AK |
891 | } |
892 | ||
14c8dde1 | 893 | struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists) |
e8ea922a ACM |
894 | { |
895 | struct annotation *notes = symbol__annotation(sym); | |
896 | ||
897 | if (notes->src == NULL) { | |
898 | notes->src = annotated_source__new(); | |
899 | if (notes->src == NULL) | |
900 | return NULL; | |
901 | goto alloc_histograms; | |
902 | } | |
903 | ||
904 | if (notes->src->histograms == NULL) { | |
905 | alloc_histograms: | |
906 | annotated_source__alloc_histograms(notes->src, symbol__size(sym), | |
0693f758 | 907 | nr_hists); |
e8ea922a ACM |
908 | } |
909 | ||
910 | return notes->src; | |
911 | } | |
912 | ||
44e83039 | 913 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e345f3bd | 914 | struct perf_evsel *evsel, u64 addr, |
bab89f6a | 915 | struct perf_sample *sample) |
b66d8c0c | 916 | { |
e8ea922a | 917 | struct annotated_source *src; |
b66d8c0c | 918 | |
48c65bda | 919 | if (sym == NULL) |
b66d8c0c | 920 | return 0; |
0693f758 | 921 | src = symbol__hists(sym, evsel->evlist->nr_entries); |
e8ea922a | 922 | if (src == NULL) |
83be34a7 | 923 | return -ENOMEM; |
e8ea922a | 924 | return __symbol__inc_addr_samples(sym, map, src, evsel->idx, addr, sample); |
b66d8c0c ACM |
925 | } |
926 | ||
d4957633 AK |
927 | static int symbol__account_cycles(u64 addr, u64 start, |
928 | struct symbol *sym, unsigned cycles) | |
929 | { | |
c6b635ee | 930 | struct cyc_hist *cycles_hist; |
d4957633 AK |
931 | unsigned offset; |
932 | ||
933 | if (sym == NULL) | |
934 | return 0; | |
c6b635ee ACM |
935 | cycles_hist = symbol__cycles_hist(sym); |
936 | if (cycles_hist == NULL) | |
d4957633 AK |
937 | return -ENOMEM; |
938 | if (addr < sym->start || addr >= sym->end) | |
939 | return -ERANGE; | |
940 | ||
941 | if (start) { | |
942 | if (start < sym->start || start >= sym->end) | |
943 | return -ERANGE; | |
944 | if (start >= addr) | |
945 | start = 0; | |
946 | } | |
947 | offset = addr - sym->start; | |
c6b635ee | 948 | return __symbol__account_cycles(cycles_hist, |
d4957633 AK |
949 | start ? start - sym->start : 0, |
950 | offset, cycles, | |
951 | !!start); | |
952 | } | |
953 | ||
954 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
955 | struct addr_map_symbol *start, | |
956 | unsigned cycles) | |
957 | { | |
3d7245b0 | 958 | u64 saddr = 0; |
d4957633 AK |
959 | int err; |
960 | ||
961 | if (!cycles) | |
962 | return 0; | |
963 | ||
964 | /* | |
965 | * Only set start when IPC can be computed. We can only | |
966 | * compute it when the basic block is completely in a single | |
967 | * function. | |
968 | * Special case the case when the jump is elsewhere, but | |
969 | * it starts on the function start. | |
970 | */ | |
971 | if (start && | |
972 | (start->sym == ams->sym || | |
973 | (ams->sym && | |
974 | start->addr == ams->sym->start + ams->map->start))) | |
975 | saddr = start->al_addr; | |
976 | if (saddr == 0) | |
3d7245b0 | 977 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
978 | ams->addr, |
979 | start ? start->addr : 0, | |
980 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
981 | saddr); | |
982 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
983 | if (err) | |
984 | pr_debug2("account_cycles failed %d\n", err); | |
985 | return err; | |
986 | } | |
987 | ||
f56c083b ACM |
988 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
989 | { | |
990 | unsigned n_insn = 0; | |
991 | u64 offset; | |
992 | ||
993 | for (offset = start; offset <= end; offset++) { | |
994 | if (notes->offsets[offset]) | |
995 | n_insn++; | |
996 | } | |
997 | return n_insn; | |
998 | } | |
999 | ||
1000 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
1001 | { | |
1002 | unsigned n_insn; | |
ace4f8fa | 1003 | unsigned int cover_insn = 0; |
f56c083b ACM |
1004 | u64 offset; |
1005 | ||
1006 | n_insn = annotation__count_insn(notes, start, end); | |
1007 | if (n_insn && ch->num && ch->cycles) { | |
1008 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
1009 | ||
1010 | /* Hide data when there are too many overlaps. */ | |
1011 | if (ch->reset >= 0x7fff || ch->reset >= ch->num / 2) | |
1012 | return; | |
1013 | ||
1014 | for (offset = start; offset <= end; offset++) { | |
1015 | struct annotation_line *al = notes->offsets[offset]; | |
1016 | ||
ace4f8fa | 1017 | if (al && al->ipc == 0.0) { |
f56c083b | 1018 | al->ipc = ipc; |
ace4f8fa JY |
1019 | cover_insn++; |
1020 | } | |
1021 | } | |
1022 | ||
1023 | if (cover_insn) { | |
1024 | notes->hit_cycles += ch->cycles; | |
1025 | notes->hit_insn += n_insn * ch->num; | |
1026 | notes->cover_insn += cover_insn; | |
f56c083b ACM |
1027 | } |
1028 | } | |
1029 | } | |
1030 | ||
1031 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
1032 | { | |
ace4f8fa | 1033 | s64 offset; |
f56c083b ACM |
1034 | |
1035 | if (!notes->src || !notes->src->cycles_hist) | |
1036 | return; | |
1037 | ||
ace4f8fa JY |
1038 | notes->total_insn = annotation__count_insn(notes, 0, size - 1); |
1039 | notes->hit_cycles = 0; | |
1040 | notes->hit_insn = 0; | |
1041 | notes->cover_insn = 0; | |
1042 | ||
f56c083b | 1043 | pthread_mutex_lock(¬es->lock); |
ace4f8fa | 1044 | for (offset = size - 1; offset >= 0; --offset) { |
f56c083b ACM |
1045 | struct cyc_hist *ch; |
1046 | ||
1047 | ch = ¬es->src->cycles_hist[offset]; | |
1048 | if (ch && ch->cycles) { | |
1049 | struct annotation_line *al; | |
1050 | ||
1051 | if (ch->have_start) | |
1052 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
1053 | al = notes->offsets[offset]; | |
48659ebf | 1054 | if (al && ch->num_aggr) { |
f56c083b | 1055 | al->cycles = ch->cycles_aggr / ch->num_aggr; |
48659ebf JY |
1056 | al->cycles_max = ch->cycles_max; |
1057 | al->cycles_min = ch->cycles_min; | |
1058 | } | |
f56c083b ACM |
1059 | notes->have_cycles = true; |
1060 | } | |
1061 | } | |
1062 | pthread_mutex_unlock(¬es->lock); | |
1063 | } | |
1064 | ||
bab89f6a | 1065 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
e345f3bd | 1066 | struct perf_evsel *evsel) |
0f4e7a24 | 1067 | { |
e345f3bd | 1068 | return symbol__inc_addr_samples(ams->sym, ams->map, evsel, ams->al_addr, sample); |
0f4e7a24 ACM |
1069 | } |
1070 | ||
bab89f6a | 1071 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
e345f3bd | 1072 | struct perf_evsel *evsel, u64 ip) |
f626adff | 1073 | { |
e345f3bd | 1074 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evsel, ip, sample); |
f626adff ACM |
1075 | } |
1076 | ||
85a84e4f | 1077 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 1078 | { |
75b49202 | 1079 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 1080 | |
75b49202 | 1081 | if (!dl->ins.ops) |
4f9d0325 ACM |
1082 | return; |
1083 | ||
85a84e4f | 1084 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 1085 | dl->ins.ops = NULL; |
4f9d0325 ACM |
1086 | } |
1087 | ||
75b49202 | 1088 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 1089 | { |
4597cf06 | 1090 | char tmp, *name = ltrim(line); |
7a997fe4 ACM |
1091 | |
1092 | if (name[0] == '\0') | |
1093 | return -1; | |
1094 | ||
1095 | *rawp = name + 1; | |
1096 | ||
1097 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
1098 | ++*rawp; | |
1099 | ||
1100 | tmp = (*rawp)[0]; | |
1101 | (*rawp)[0] = '\0'; | |
1102 | *namep = strdup(name); | |
1103 | ||
1104 | if (*namep == NULL) | |
1105 | goto out_free_name; | |
1106 | ||
1107 | (*rawp)[0] = tmp; | |
4597cf06 | 1108 | *rawp = ltrim(*rawp); |
7a997fe4 ACM |
1109 | |
1110 | return 0; | |
1111 | ||
1112 | out_free_name: | |
75b49202 ACM |
1113 | free((void *)namep); |
1114 | *namep = NULL; | |
7a997fe4 ACM |
1115 | return -1; |
1116 | } | |
1117 | ||
ea07c5aa JO |
1118 | struct annotate_args { |
1119 | size_t privsize; | |
24fe7b88 | 1120 | struct arch *arch; |
85a84e4f | 1121 | struct map_symbol ms; |
d03a686e | 1122 | struct perf_evsel *evsel; |
380195e2 | 1123 | struct annotation_options *options; |
4748834f JO |
1124 | s64 offset; |
1125 | char *line; | |
1126 | int line_nr; | |
ea07c5aa JO |
1127 | }; |
1128 | ||
c835e191 JO |
1129 | static void annotation_line__delete(struct annotation_line *al) |
1130 | { | |
1131 | void *ptr = (void *) al - al->privsize; | |
1132 | ||
8b4c74dc | 1133 | free_srcline(al->path); |
c835e191 JO |
1134 | zfree(&al->line); |
1135 | free(ptr); | |
1136 | } | |
1137 | ||
1138 | /* | |
1139 | * Allocating the annotation line data with following | |
1140 | * structure: | |
1141 | * | |
1142 | * -------------------------------------- | |
1143 | * private space | struct annotation_line | |
1144 | * -------------------------------------- | |
1145 | * | |
1146 | * Size of the private space is stored in 'struct annotation_line'. | |
1147 | * | |
1148 | */ | |
1149 | static struct annotation_line * | |
1150 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1151 | { | |
1152 | struct annotation_line *al; | |
7e304557 | 1153 | struct perf_evsel *evsel = args->evsel; |
c835e191 | 1154 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1155 | int nr = 1; |
1156 | ||
1157 | if (perf_evsel__is_group_event(evsel)) | |
1158 | nr = evsel->nr_members; | |
1159 | ||
c2f938ba | 1160 | size += sizeof(al->data[0]) * nr; |
c835e191 JO |
1161 | |
1162 | al = zalloc(size); | |
1163 | if (al) { | |
1164 | al = (void *) al + privsize; | |
1165 | al->privsize = privsize; | |
1166 | al->offset = args->offset; | |
1167 | al->line = strdup(args->line); | |
1168 | al->line_nr = args->line_nr; | |
c2f938ba | 1169 | al->data_nr = nr; |
c835e191 JO |
1170 | } |
1171 | ||
1172 | return al; | |
1173 | } | |
1174 | ||
1175 | /* | |
1176 | * Allocating the disasm annotation line data with | |
1177 | * following structure: | |
1178 | * | |
1179 | * ------------------------------------------------------------ | |
1180 | * privsize space | struct disasm_line | struct annotation_line | |
1181 | * ------------------------------------------------------------ | |
1182 | * | |
1183 | * We have 'struct annotation_line' member as last member | |
1184 | * of 'struct disasm_line' to have an easy access. | |
1185 | * | |
1186 | */ | |
4748834f | 1187 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1188 | { |
c835e191 JO |
1189 | struct disasm_line *dl = NULL; |
1190 | struct annotation_line *al; | |
1191 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1192 | |
c835e191 JO |
1193 | al = annotation_line__new(args, privsize); |
1194 | if (al != NULL) { | |
1195 | dl = disasm_line(al); | |
d5490b96 JO |
1196 | |
1197 | if (dl->al.line == NULL) | |
058b4cc9 | 1198 | goto out_delete; |
5145418b | 1199 | |
4748834f | 1200 | if (args->offset != -1) { |
d5490b96 | 1201 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1202 | goto out_free_line; |
1203 | ||
85a84e4f | 1204 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1205 | } |
78f7defe ACM |
1206 | } |
1207 | ||
29ed6e76 | 1208 | return dl; |
5145418b ACM |
1209 | |
1210 | out_free_line: | |
d5490b96 | 1211 | zfree(&dl->al.line); |
058b4cc9 | 1212 | out_delete: |
29ed6e76 | 1213 | free(dl); |
058b4cc9 | 1214 | return NULL; |
78f7defe ACM |
1215 | } |
1216 | ||
29ed6e76 | 1217 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1218 | { |
75b49202 ACM |
1219 | if (dl->ins.ops && dl->ins.ops->free) |
1220 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1221 | else |
1222 | ins__delete(&dl->ops); | |
75b49202 ACM |
1223 | free((void *)dl->ins.name); |
1224 | dl->ins.name = NULL; | |
c835e191 | 1225 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1226 | } |
1227 | ||
5417072b ACM |
1228 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw) |
1229 | { | |
75b49202 | 1230 | if (raw || !dl->ins.ops) |
648388ae | 1231 | return scnprintf(bf, size, "%-6s %s", dl->ins.name, dl->ops.raw); |
5417072b | 1232 | |
75b49202 | 1233 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops); |
5417072b ACM |
1234 | } |
1235 | ||
82b9d7ff | 1236 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1237 | { |
82b9d7ff | 1238 | list_add_tail(&al->node, head); |
78f7defe ACM |
1239 | } |
1240 | ||
c4c72436 JO |
1241 | struct annotation_line * |
1242 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1243 | { |
c4c72436 JO |
1244 | list_for_each_entry_continue(pos, head, node) |
1245 | if (pos->offset >= 0) | |
78f7defe ACM |
1246 | return pos; |
1247 | ||
1248 | return NULL; | |
1249 | } | |
1250 | ||
70fbe057 PZ |
1251 | static const char *annotate__address_color(struct block_range *br) |
1252 | { | |
1253 | double cov = block_range__coverage(br); | |
1254 | ||
1255 | if (cov >= 0) { | |
1256 | /* mark red for >75% coverage */ | |
1257 | if (cov > 0.75) | |
1258 | return PERF_COLOR_RED; | |
1259 | ||
1260 | /* mark dull for <1% coverage */ | |
1261 | if (cov < 0.01) | |
1262 | return PERF_COLOR_NORMAL; | |
1263 | } | |
1264 | ||
1265 | return PERF_COLOR_MAGENTA; | |
1266 | } | |
1267 | ||
1268 | static const char *annotate__asm_color(struct block_range *br) | |
1269 | { | |
1270 | double cov = block_range__coverage(br); | |
1271 | ||
1272 | if (cov >= 0) { | |
1273 | /* mark dull for <1% coverage */ | |
1274 | if (cov < 0.01) | |
1275 | return PERF_COLOR_NORMAL; | |
1276 | } | |
1277 | ||
1278 | return PERF_COLOR_BLUE; | |
1279 | } | |
1280 | ||
1281 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1282 | { | |
1283 | bool emit_comment = true; | |
1284 | ||
1285 | if (!br) | |
1286 | return; | |
1287 | ||
1288 | #if 1 | |
1289 | if (br->is_target && br->start == addr) { | |
1290 | struct block_range *branch = br; | |
1291 | double p; | |
1292 | ||
1293 | /* | |
1294 | * Find matching branch to our target. | |
1295 | */ | |
1296 | while (!branch->is_branch) | |
1297 | branch = block_range__next(branch); | |
1298 | ||
1299 | p = 100 *(double)br->entry / branch->coverage; | |
1300 | ||
1301 | if (p > 0.1) { | |
1302 | if (emit_comment) { | |
1303 | emit_comment = false; | |
1304 | printf("\t#"); | |
1305 | } | |
1306 | ||
1307 | /* | |
1308 | * The percentage of coverage joined at this target in relation | |
1309 | * to the next branch. | |
1310 | */ | |
1311 | printf(" +%.2f%%", p); | |
1312 | } | |
1313 | } | |
1314 | #endif | |
1315 | if (br->is_branch && br->end == addr) { | |
1316 | double p = 100*(double)br->taken / br->coverage; | |
1317 | ||
1318 | if (p > 0.1) { | |
1319 | if (emit_comment) { | |
1320 | emit_comment = false; | |
1321 | printf("\t#"); | |
1322 | } | |
1323 | ||
1324 | /* | |
1325 | * The percentage of coverage leaving at this branch, and | |
1326 | * its prediction ratio. | |
1327 | */ | |
1328 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1329 | } | |
1330 | } | |
1331 | } | |
1332 | ||
f48e7c40 | 1333 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1334 | { |
29971f9a JO |
1335 | s64 offset = dl->al.offset; |
1336 | const u64 addr = start + offset; | |
1337 | struct block_range *br; | |
1338 | ||
1339 | br = block_range__find(addr); | |
f48e7c40 | 1340 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1341 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1342 | annotate__branch_printf(br, addr); | |
1343 | return 0; | |
1344 | } | |
1345 | ||
1346 | static int | |
1347 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
1348 | struct perf_evsel *evsel, u64 len, int min_pcnt, int printed, | |
796ca33d JO |
1349 | int max_lines, struct annotation_line *queue, int addr_fmt_width, |
1350 | int percent_type) | |
29971f9a JO |
1351 | { |
1352 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1353 | static const char *prev_line; |
1354 | static const char *prev_color; | |
1355 | ||
29971f9a | 1356 | if (al->offset != -1) { |
f681d593 | 1357 | double max_percent = 0.0; |
b1dd4432 | 1358 | int i, nr_percent = 1; |
78f7defe ACM |
1359 | const char *color; |
1360 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1361 | |
c2f938ba | 1362 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d JO |
1363 | double percent; |
1364 | ||
1365 | percent = annotation_data__percent(&al->data[i], | |
796ca33d | 1366 | percent_type); |
78f7defe | 1367 | |
6d9f0c2d JO |
1368 | if (percent > max_percent) |
1369 | max_percent = percent; | |
b1dd4432 NK |
1370 | } |
1371 | ||
c2f938ba JO |
1372 | if (al->data_nr > nr_percent) |
1373 | nr_percent = al->data_nr; | |
04d2600a | 1374 | |
b1dd4432 | 1375 | if (max_percent < min_pcnt) |
36532461 ACM |
1376 | return -1; |
1377 | ||
e3087b80 | 1378 | if (max_lines && printed >= max_lines) |
36532461 | 1379 | return 1; |
d040bd36 | 1380 | |
d5e3d747 | 1381 | if (queue != NULL) { |
29971f9a JO |
1382 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1383 | if (queue == al) | |
d5e3d747 | 1384 | break; |
29971f9a | 1385 | annotation_line__print(queue, sym, start, evsel, len, |
796ca33d JO |
1386 | 0, 0, 1, NULL, addr_fmt_width, |
1387 | percent_type); | |
d5e3d747 ACM |
1388 | } |
1389 | } | |
1390 | ||
b1dd4432 | 1391 | color = get_percent_color(max_percent); |
78f7defe ACM |
1392 | |
1393 | /* | |
1394 | * Also color the filename and line if needed, with | |
1395 | * the same color than the percentage. Don't print it | |
1396 | * twice for close colored addr with the same filename:line | |
1397 | */ | |
29971f9a JO |
1398 | if (al->path) { |
1399 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1400 | || color != prev_color) { |
29971f9a JO |
1401 | color_fprintf(stdout, color, " %s", al->path); |
1402 | prev_line = al->path; | |
78f7defe ACM |
1403 | prev_color = color; |
1404 | } | |
1405 | } | |
1406 | ||
b1dd4432 | 1407 | for (i = 0; i < nr_percent; i++) { |
0440af74 | 1408 | struct annotation_data *data = &al->data[i]; |
6d9f0c2d | 1409 | double percent; |
f681d593 | 1410 | |
796ca33d | 1411 | percent = annotation_data__percent(data, percent_type); |
6d9f0c2d | 1412 | color = get_percent_color(percent); |
0c4a5bce ML |
1413 | |
1414 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1415 | color_fprintf(stdout, color, " %11" PRIu64, |
0440af74 | 1416 | data->he.period); |
1ac39372 TS |
1417 | else if (symbol_conf.show_nr_samples) |
1418 | color_fprintf(stdout, color, " %7" PRIu64, | |
0440af74 | 1419 | data->he.nr_samples); |
0c4a5bce | 1420 | else |
6d9f0c2d | 1421 | color_fprintf(stdout, color, " %7.2f", percent); |
b1dd4432 NK |
1422 | } |
1423 | ||
f48e7c40 | 1424 | printf(" : "); |
70fbe057 | 1425 | |
f48e7c40 | 1426 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1427 | printf("\n"); |
e3087b80 | 1428 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1429 | return 1; |
1430 | else { | |
ce9ee4a2 | 1431 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1432 | |
d5e3d747 ACM |
1433 | if (queue) |
1434 | return -1; | |
1435 | ||
759ff497 | 1436 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1437 | width *= evsel->nr_members; |
1438 | ||
29971f9a | 1439 | if (!*al->line) |
b1dd4432 | 1440 | printf(" %*s:\n", width, " "); |
78f7defe | 1441 | else |
f48e7c40 | 1442 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1443 | } |
36532461 ACM |
1444 | |
1445 | return 0; | |
78f7defe ACM |
1446 | } |
1447 | ||
3aec150a NK |
1448 | /* |
1449 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1450 | * which looks like following | |
1451 | * | |
1452 | * 0000000000415500 <_init>: | |
1453 | * 415500: sub $0x8,%rsp | |
1454 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1455 | * 41550b: test %rax,%rax | |
1456 | * 41550e: je 415515 <_init+0x15> | |
1457 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1458 | * 415515: add $0x8,%rsp | |
1459 | * 415519: retq | |
1460 | * | |
1461 | * it will be parsed and saved into struct disasm_line as | |
1462 | * <offset> <name> <ops.raw> | |
1463 | * | |
1464 | * The offset will be a relative offset from the start of the symbol and -1 | |
1465 | * means that it's not a disassembly line so should be treated differently. | |
1466 | * The ops.raw part will be parsed further according to type of the instruction. | |
1467 | */ | |
1a04db70 | 1468 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1469 | struct annotate_args *args, |
e592488c | 1470 | int *line_nr) |
78f7defe | 1471 | { |
85a84e4f | 1472 | struct map *map = args->ms.map; |
ce6f4fab | 1473 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1474 | struct disasm_line *dl; |
4597cf06 | 1475 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1476 | size_t line_len; |
1477 | s64 line_ip, offset = -1; | |
e592488c | 1478 | regmatch_t match[2]; |
78f7defe ACM |
1479 | |
1480 | if (getline(&line, &line_len, file) < 0) | |
1481 | return -1; | |
1482 | ||
1483 | if (!line) | |
1484 | return -1; | |
1485 | ||
78f7defe | 1486 | line_ip = -1; |
4597cf06 | 1487 | parsed_line = rtrim(line); |
78f7defe | 1488 | |
e592488c | 1489 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1490 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1491 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1492 | return 0; |
1493 | } | |
1494 | ||
4597cf06 | 1495 | tmp = ltrim(parsed_line); |
78f7defe ACM |
1496 | if (*tmp) { |
1497 | /* | |
1498 | * Parse hexa addresses followed by ':' | |
1499 | */ | |
1500 | line_ip = strtoull(tmp, &tmp2, 16); | |
1501 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1502 | line_ip = -1; | |
1503 | } | |
1504 | ||
1505 | if (line_ip != -1) { | |
1506 | u64 start = map__rip_2objdump(map, sym->start), | |
1507 | end = map__rip_2objdump(map, sym->end); | |
1508 | ||
1509 | offset = line_ip - start; | |
2c241bd3 | 1510 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1511 | offset = -1; |
058b4cc9 ACM |
1512 | else |
1513 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1514 | } |
78f7defe | 1515 | |
4748834f JO |
1516 | args->offset = offset; |
1517 | args->line = parsed_line; | |
1518 | args->line_nr = *line_nr; | |
85a84e4f | 1519 | args->ms.sym = sym; |
4748834f JO |
1520 | |
1521 | dl = disasm_line__new(args); | |
058b4cc9 | 1522 | free(line); |
e592488c | 1523 | (*line_nr)++; |
058b4cc9 | 1524 | |
29ed6e76 | 1525 | if (dl == NULL) |
78f7defe | 1526 | return -1; |
058b4cc9 | 1527 | |
2eff0611 | 1528 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1529 | dl->ops.target.offset = dl->ops.target.addr - |
1530 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1531 | dl->ops.target.offset_avail = true; |
1532 | } | |
bbb7f846 | 1533 | |
696703af ACM |
1534 | /* kcore has no symbols, so add the call target symbol */ |
1535 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1536 | struct addr_map_symbol target = { |
1537 | .map = map, | |
1538 | .addr = dl->ops.target.addr, | |
1539 | }; | |
1540 | ||
be39db9f | 1541 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1542 | target.sym->start == target.al_addr) |
696703af | 1543 | dl->ops.target.sym = target.sym; |
b178170a AH |
1544 | } |
1545 | ||
82b9d7ff | 1546 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1547 | |
1548 | return 0; | |
1549 | } | |
1550 | ||
e592488c AK |
1551 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1552 | { | |
1553 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1554 | } | |
1555 | ||
484a5e74 AH |
1556 | static void delete_last_nop(struct symbol *sym) |
1557 | { | |
1558 | struct annotation *notes = symbol__annotation(sym); | |
1559 | struct list_head *list = ¬es->src->source; | |
1560 | struct disasm_line *dl; | |
1561 | ||
1562 | while (!list_empty(list)) { | |
a17c4ca0 | 1563 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1564 | |
75b49202 ACM |
1565 | if (dl->ins.ops) { |
1566 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1567 | return; |
1568 | } else { | |
d5490b96 JO |
1569 | if (!strstr(dl->al.line, " nop ") && |
1570 | !strstr(dl->al.line, " nopl ") && | |
1571 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1572 | return; |
1573 | } | |
1574 | ||
a17c4ca0 | 1575 | list_del(&dl->al.node); |
484a5e74 AH |
1576 | disasm_line__free(dl); |
1577 | } | |
1578 | } | |
1579 | ||
ee51d851 ACM |
1580 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1581 | int errnum, char *buf, size_t buflen) | |
1582 | { | |
1583 | struct dso *dso = map->dso; | |
1584 | ||
1585 | BUG_ON(buflen == 0); | |
1586 | ||
1587 | if (errnum >= 0) { | |
1588 | str_error_r(errnum, buf, buflen); | |
1589 | return 0; | |
1590 | } | |
1591 | ||
1592 | switch (errnum) { | |
1593 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1594 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1595 | char *build_id_msg = NULL; | |
1596 | ||
1597 | if (dso->has_build_id) { | |
1598 | build_id__sprintf(dso->build_id, | |
1599 | sizeof(dso->build_id), bf + 15); | |
1600 | build_id_msg = bf; | |
1601 | } | |
1602 | scnprintf(buf, buflen, | |
1603 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1604 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1605 | "Please use:\n\n" | |
1606 | " perf buildid-cache -vu vmlinux\n\n" | |
1607 | "or:\n\n" | |
1608 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1609 | } | |
1610 | break; | |
1611 | default: | |
1612 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1613 | break; | |
1614 | } | |
1615 | ||
1616 | return 0; | |
1617 | } | |
1618 | ||
05ed3ac9 | 1619 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1620 | { |
05ed3ac9 ACM |
1621 | char linkname[PATH_MAX]; |
1622 | char *build_id_filename; | |
6ebd2547 | 1623 | char *build_id_path = NULL; |
3619ef76 | 1624 | char *pos; |
78f7defe | 1625 | |
c12944f7 ACM |
1626 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1627 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1628 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1629 | |
d2396999 | 1630 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1631 | if (build_id_filename) { |
1632 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1633 | free(build_id_filename); | |
3caee094 | 1634 | } else { |
ee51d851 ACM |
1635 | if (dso->has_build_id) |
1636 | return ENOMEM; | |
78f7defe | 1637 | goto fallback; |
3caee094 ACM |
1638 | } |
1639 | ||
6ebd2547 TS |
1640 | build_id_path = strdup(filename); |
1641 | if (!build_id_path) | |
1642 | return -1; | |
1643 | ||
3619ef76 NK |
1644 | /* |
1645 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1646 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1647 | * extract the build-id part of dirname in the new style only. | |
1648 | */ | |
1649 | pos = strrchr(build_id_path, '/'); | |
1650 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1651 | dirname(build_id_path); | |
6ebd2547 | 1652 | |
3caee094 | 1653 | if (dso__is_kcore(dso) || |
6ebd2547 | 1654 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1655 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1656 | access(filename, R_OK)) { | |
78f7defe ACM |
1657 | fallback: |
1658 | /* | |
1659 | * If we don't have build-ids or the build-id file isn't in the | |
1660 | * cache, or is just a kallsyms file, well, lets hope that this | |
1661 | * DSO is the same as when 'perf record' ran. | |
1662 | */ | |
05ed3ac9 | 1663 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1664 | } |
1665 | ||
6ebd2547 | 1666 | free(build_id_path); |
05ed3ac9 ACM |
1667 | return 0; |
1668 | } | |
1669 | ||
1a04db70 | 1670 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1671 | { |
1eddd9e4 | 1672 | struct annotation_options *opts = args->options; |
85a84e4f | 1673 | struct map *map = args->ms.map; |
05ed3ac9 | 1674 | struct dso *dso = map->dso; |
6810158d | 1675 | char *command; |
05ed3ac9 ACM |
1676 | FILE *file; |
1677 | char symfs_filename[PATH_MAX]; | |
1678 | struct kcore_extract kce; | |
1679 | bool delete_extract = false; | |
2354ae9b | 1680 | bool decomp = false; |
05ed3ac9 ACM |
1681 | int stdout_fd[2]; |
1682 | int lineno = 0; | |
1683 | int nline; | |
1684 | pid_t pid; | |
1685 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1686 | ||
1687 | if (err) | |
1688 | return err; | |
1689 | ||
78f7defe | 1690 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1691 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1692 | map->unmap_ip(map, sym->end)); |
1693 | ||
78f7defe ACM |
1694 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1695 | dso, dso->long_name, sym, sym->name); | |
1696 | ||
afba19d9 AH |
1697 | if (dso__is_kcore(dso)) { |
1698 | kce.kcore_filename = symfs_filename; | |
1699 | kce.addr = map__rip_2objdump(map, sym->start); | |
1700 | kce.offs = sym->start; | |
2c241bd3 | 1701 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1702 | if (!kcore_extract__create(&kce)) { |
1703 | delete_extract = true; | |
1704 | strlcpy(symfs_filename, kce.extract_filename, | |
1705 | sizeof(symfs_filename)); | |
afba19d9 | 1706 | } |
2c7da8c5 | 1707 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1708 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1709 | |
3c84fd53 NK |
1710 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1711 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1712 | goto out; |
2c7da8c5 | 1713 | |
2354ae9b | 1714 | decomp = true; |
2c7da8c5 | 1715 | strcpy(symfs_filename, tmp); |
afba19d9 AH |
1716 | } |
1717 | ||
6810158d | 1718 | err = asprintf(&command, |
7a4ec938 | 1719 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1720 | " --stop-address=0x%016" PRIx64 |
7b4500bc | 1721 | " -l -d %s %s -C \"%s\" 2>/dev/null|grep -v \"%s:\"|expand", |
f178fd2d | 1722 | opts->objdump_path ?: "objdump", |
a47e843e ACM |
1723 | opts->disassembler_style ? "-M " : "", |
1724 | opts->disassembler_style ?: "", | |
78f7defe | 1725 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1726 | map__rip_2objdump(map, sym->end), |
1eddd9e4 ACM |
1727 | opts->show_asm_raw ? "" : "--no-show-raw", |
1728 | opts->annotate_src ? "-S" : "", | |
3caee094 | 1729 | symfs_filename, symfs_filename); |
78f7defe | 1730 | |
6810158d ACM |
1731 | if (err < 0) { |
1732 | pr_err("Failure allocating memory for the command to run\n"); | |
1733 | goto out_remove_tmp; | |
1734 | } | |
1735 | ||
78f7defe ACM |
1736 | pr_debug("Executing: %s\n", command); |
1737 | ||
9955d0be ACM |
1738 | err = -1; |
1739 | if (pipe(stdout_fd) < 0) { | |
1740 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1741 | goto out_free_command; |
9955d0be ACM |
1742 | } |
1743 | ||
1744 | pid = fork(); | |
1745 | if (pid < 0) { | |
1746 | pr_err("Failure forking to run %s\n", command); | |
1747 | goto out_close_stdout; | |
1748 | } | |
1749 | ||
1750 | if (pid == 0) { | |
1751 | close(stdout_fd[0]); | |
1752 | dup2(stdout_fd[1], 1); | |
1753 | close(stdout_fd[1]); | |
1754 | execl("/bin/sh", "sh", "-c", command, NULL); | |
1755 | perror(command); | |
1756 | exit(-1); | |
1757 | } | |
1758 | ||
1759 | close(stdout_fd[1]); | |
1760 | ||
1761 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1762 | if (!file) { |
9955d0be | 1763 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1764 | /* |
1765 | * If we were using debug info should retry with | |
1766 | * original binary. | |
1767 | */ | |
6810158d | 1768 | goto out_free_command; |
62ec9b3f | 1769 | } |
78f7defe | 1770 | |
62ec9b3f AK |
1771 | nline = 0; |
1772 | while (!feof(file)) { | |
ed7b339f ACM |
1773 | /* |
1774 | * The source code line number (lineno) needs to be kept in | |
1775 | * accross calls to symbol__parse_objdump_line(), so that it | |
1776 | * can associate it with the instructions till the next one. | |
1777 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1778 | */ | |
1a04db70 | 1779 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1780 | break; |
62ec9b3f AK |
1781 | nline++; |
1782 | } | |
1783 | ||
1784 | if (nline == 0) | |
1785 | pr_err("No output from %s\n", command); | |
78f7defe | 1786 | |
484a5e74 AH |
1787 | /* |
1788 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1789 | * Remove it. | |
1790 | */ | |
1791 | if (dso__is_kcore(dso)) | |
1792 | delete_last_nop(sym); | |
1793 | ||
9955d0be ACM |
1794 | fclose(file); |
1795 | err = 0; | |
6810158d ACM |
1796 | out_free_command: |
1797 | free(command); | |
2c7da8c5 | 1798 | out_remove_tmp: |
9955d0be ACM |
1799 | close(stdout_fd[0]); |
1800 | ||
2354ae9b | 1801 | if (decomp) |
2c7da8c5 | 1802 | unlink(symfs_filename); |
3caee094 | 1803 | |
afba19d9 AH |
1804 | if (delete_extract) |
1805 | kcore_extract__delete(&kce); | |
c12944f7 | 1806 | out: |
78f7defe | 1807 | return err; |
9955d0be ACM |
1808 | |
1809 | out_close_stdout: | |
1810 | close(stdout_fd[1]); | |
6810158d | 1811 | goto out_free_command; |
78f7defe ACM |
1812 | } |
1813 | ||
48a1e4f2 | 1814 | static void calc_percent(struct sym_hist *sym_hist, |
75a8c1ff | 1815 | struct hists *hists, |
0440af74 | 1816 | struct annotation_data *data, |
073ae601 JO |
1817 | s64 offset, s64 end) |
1818 | { | |
1819 | unsigned int hits = 0; | |
1820 | u64 period = 0; | |
1821 | ||
1822 | while (offset < end) { | |
48a1e4f2 JO |
1823 | hits += sym_hist->addr[offset].nr_samples; |
1824 | period += sym_hist->addr[offset].period; | |
073ae601 JO |
1825 | ++offset; |
1826 | } | |
1827 | ||
48a1e4f2 | 1828 | if (sym_hist->nr_samples) { |
0440af74 JO |
1829 | data->he.period = period; |
1830 | data->he.nr_samples = hits; | |
6d9f0c2d | 1831 | data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples; |
073ae601 | 1832 | } |
75a8c1ff JO |
1833 | |
1834 | if (hists->stats.nr_non_filtered_samples) | |
1835 | data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples; | |
1836 | ||
ab371169 JO |
1837 | if (sym_hist->period) |
1838 | data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period; | |
e58684df JO |
1839 | |
1840 | if (hists->stats.total_period) | |
1841 | data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period; | |
073ae601 JO |
1842 | } |
1843 | ||
9e4e0a9d | 1844 | static void annotation__calc_percent(struct annotation *notes, |
2bcf7306 | 1845 | struct perf_evsel *leader, s64 len) |
073ae601 JO |
1846 | { |
1847 | struct annotation_line *al, *next; | |
2bcf7306 | 1848 | struct perf_evsel *evsel; |
073ae601 JO |
1849 | |
1850 | list_for_each_entry(al, ¬es->src->source, node) { | |
1851 | s64 end; | |
2bcf7306 | 1852 | int i = 0; |
073ae601 JO |
1853 | |
1854 | if (al->offset == -1) | |
1855 | continue; | |
1856 | ||
1857 | next = annotation_line__next(al, ¬es->src->source); | |
1858 | end = next ? next->offset : len; | |
1859 | ||
2bcf7306 | 1860 | for_each_group_evsel(evsel, leader) { |
75a8c1ff | 1861 | struct hists *hists = evsel__hists(evsel); |
0440af74 | 1862 | struct annotation_data *data; |
48a1e4f2 | 1863 | struct sym_hist *sym_hist; |
073ae601 | 1864 | |
2bcf7306 JO |
1865 | BUG_ON(i >= al->data_nr); |
1866 | ||
1867 | sym_hist = annotation__histogram(notes, evsel->idx); | |
1868 | data = &al->data[i++]; | |
073ae601 | 1869 | |
75a8c1ff | 1870 | calc_percent(sym_hist, hists, data, al->offset, end); |
073ae601 JO |
1871 | } |
1872 | } | |
073ae601 JO |
1873 | } |
1874 | ||
9e4e0a9d | 1875 | void symbol__calc_percent(struct symbol *sym, struct perf_evsel *evsel) |
073ae601 JO |
1876 | { |
1877 | struct annotation *notes = symbol__annotation(sym); | |
1878 | ||
9e4e0a9d | 1879 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
1880 | } |
1881 | ||
c34df25b | 1882 | int symbol__annotate(struct symbol *sym, struct map *map, |
d03a686e | 1883 | struct perf_evsel *evsel, size_t privsize, |
380195e2 | 1884 | struct annotation_options *options, |
5449f13c | 1885 | struct arch **parch) |
c34df25b | 1886 | { |
ea07c5aa JO |
1887 | struct annotate_args args = { |
1888 | .privsize = privsize, | |
d03a686e | 1889 | .evsel = evsel, |
380195e2 | 1890 | .options = options, |
ea07c5aa | 1891 | }; |
5449f13c | 1892 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 1893 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
1894 | struct arch *arch; |
1895 | int err; | |
1896 | ||
c34df25b JO |
1897 | if (!arch_name) |
1898 | return -1; | |
1899 | ||
24fe7b88 | 1900 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
1901 | if (arch == NULL) |
1902 | return -ENOTSUP; | |
1903 | ||
1904 | if (parch) | |
1905 | *parch = arch; | |
1906 | ||
1907 | if (arch->init) { | |
5449f13c | 1908 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
1909 | if (err) { |
1910 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
1911 | return err; | |
1912 | } | |
1913 | } | |
1914 | ||
85a84e4f ACM |
1915 | args.ms.map = map; |
1916 | args.ms.sym = sym; | |
1917 | ||
05d3f1a1 | 1918 | return symbol__disassemble(sym, &args); |
c34df25b JO |
1919 | } |
1920 | ||
c849c12c JO |
1921 | static void insert_source_line(struct rb_root *root, struct annotation_line *al, |
1922 | struct annotation_options *opts) | |
78f7defe | 1923 | { |
8b4c74dc | 1924 | struct annotation_line *iter; |
78f7defe ACM |
1925 | struct rb_node **p = &root->rb_node; |
1926 | struct rb_node *parent = NULL; | |
1491c22a | 1927 | int i, ret; |
78f7defe ACM |
1928 | |
1929 | while (*p != NULL) { | |
1930 | parent = *p; | |
8b4c74dc | 1931 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 1932 | |
8b4c74dc | 1933 | ret = strcmp(iter->path, al->path); |
41127965 | 1934 | if (ret == 0) { |
6d9f0c2d JO |
1935 | for (i = 0; i < al->data_nr; i++) { |
1936 | iter->data[i].percent_sum += annotation_data__percent(&al->data[i], | |
c849c12c | 1937 | opts->percent_type); |
6d9f0c2d | 1938 | } |
41127965 NK |
1939 | return; |
1940 | } | |
1941 | ||
1942 | if (ret < 0) | |
1943 | p = &(*p)->rb_left; | |
1944 | else | |
1945 | p = &(*p)->rb_right; | |
1946 | } | |
1947 | ||
6d9f0c2d JO |
1948 | for (i = 0; i < al->data_nr; i++) { |
1949 | al->data[i].percent_sum = annotation_data__percent(&al->data[i], | |
c849c12c | 1950 | opts->percent_type); |
6d9f0c2d | 1951 | } |
41127965 | 1952 | |
8b4c74dc JO |
1953 | rb_link_node(&al->rb_node, parent, p); |
1954 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
1955 | } |
1956 | ||
8b4c74dc | 1957 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
1958 | { |
1959 | int i; | |
1960 | ||
c2f938ba JO |
1961 | for (i = 0; i < a->data_nr; i++) { |
1962 | if (a->data[i].percent_sum == b->data[i].percent_sum) | |
1491c22a | 1963 | continue; |
c2f938ba | 1964 | return a->data[i].percent_sum > b->data[i].percent_sum; |
1491c22a NK |
1965 | } |
1966 | ||
1967 | return 0; | |
1968 | } | |
1969 | ||
8b4c74dc | 1970 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 1971 | { |
8b4c74dc | 1972 | struct annotation_line *iter; |
41127965 NK |
1973 | struct rb_node **p = &root->rb_node; |
1974 | struct rb_node *parent = NULL; | |
1975 | ||
1976 | while (*p != NULL) { | |
1977 | parent = *p; | |
8b4c74dc | 1978 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 1979 | |
8b4c74dc | 1980 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
1981 | p = &(*p)->rb_left; |
1982 | else | |
1983 | p = &(*p)->rb_right; | |
1984 | } | |
1985 | ||
8b4c74dc JO |
1986 | rb_link_node(&al->rb_node, parent, p); |
1987 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
1988 | } |
1989 | ||
41127965 NK |
1990 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
1991 | { | |
8b4c74dc | 1992 | struct annotation_line *al; |
41127965 NK |
1993 | struct rb_node *node; |
1994 | ||
1995 | node = rb_first(src_root); | |
1996 | while (node) { | |
1997 | struct rb_node *next; | |
1998 | ||
8b4c74dc | 1999 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
2000 | next = rb_next(node); |
2001 | rb_erase(node, src_root); | |
2002 | ||
8b4c74dc | 2003 | __resort_source_line(dest_root, al); |
41127965 NK |
2004 | node = next; |
2005 | } | |
2006 | } | |
2007 | ||
78f7defe ACM |
2008 | static void print_summary(struct rb_root *root, const char *filename) |
2009 | { | |
8b4c74dc | 2010 | struct annotation_line *al; |
78f7defe ACM |
2011 | struct rb_node *node; |
2012 | ||
2013 | printf("\nSorted summary for file %s\n", filename); | |
2014 | printf("----------------------------------------------\n\n"); | |
2015 | ||
2016 | if (RB_EMPTY_ROOT(root)) { | |
2017 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
2018 | return; | |
2019 | } | |
2020 | ||
2021 | node = rb_first(root); | |
2022 | while (node) { | |
1491c22a | 2023 | double percent, percent_max = 0.0; |
78f7defe ACM |
2024 | const char *color; |
2025 | char *path; | |
1491c22a | 2026 | int i; |
78f7defe | 2027 | |
8b4c74dc | 2028 | al = rb_entry(node, struct annotation_line, rb_node); |
c2f938ba JO |
2029 | for (i = 0; i < al->data_nr; i++) { |
2030 | percent = al->data[i].percent_sum; | |
1491c22a NK |
2031 | color = get_percent_color(percent); |
2032 | color_fprintf(stdout, color, " %7.2f", percent); | |
2033 | ||
2034 | if (percent > percent_max) | |
2035 | percent_max = percent; | |
2036 | } | |
2037 | ||
8b4c74dc | 2038 | path = al->path; |
1491c22a | 2039 | color = get_percent_color(percent_max); |
f048d548 | 2040 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 2041 | |
78f7defe ACM |
2042 | node = rb_next(node); |
2043 | } | |
2044 | } | |
2045 | ||
db8fd07a | 2046 | static void symbol__annotate_hits(struct symbol *sym, struct perf_evsel *evsel) |
78f7defe ACM |
2047 | { |
2048 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 2049 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 2050 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
2051 | |
2052 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 2053 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 2054 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 2055 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 2056 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
2057 | } |
2058 | ||
f48e7c40 JO |
2059 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
2060 | { | |
2061 | char bf[32]; | |
2062 | struct annotation_line *line; | |
2063 | ||
2064 | list_for_each_entry_reverse(line, lines, node) { | |
2065 | if (line->offset != -1) | |
2066 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
2067 | } | |
2068 | ||
2069 | return 0; | |
2070 | } | |
2071 | ||
db8fd07a | 2072 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
982d410b ACM |
2073 | struct perf_evsel *evsel, |
2074 | struct annotation_options *opts) | |
78f7defe ACM |
2075 | { |
2076 | struct dso *dso = map->dso; | |
bfd14b9a DA |
2077 | char *filename; |
2078 | const char *d_filename; | |
9cdbadce | 2079 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 2080 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 2081 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 2082 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 2083 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 2084 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 2085 | int more = 0; |
982d410b | 2086 | bool context = opts->context; |
78f7defe | 2087 | u64 len; |
ce9ee4a2 | 2088 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 2089 | int graph_dotted_len; |
787e4da9 | 2090 | char buf[512]; |
78f7defe | 2091 | |
bfd14b9a DA |
2092 | filename = strdup(dso->long_name); |
2093 | if (!filename) | |
2094 | return -ENOMEM; | |
2095 | ||
982d410b | 2096 | if (opts->full_path) |
78f7defe ACM |
2097 | d_filename = filename; |
2098 | else | |
2099 | d_filename = basename(filename); | |
2100 | ||
1b2e2df4 | 2101 | len = symbol__size(sym); |
b1dd4432 | 2102 | |
787e4da9 | 2103 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 | 2104 | width *= evsel->nr_members; |
787e4da9 JY |
2105 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); |
2106 | evsel_name = buf; | |
2107 | } | |
78f7defe | 2108 | |
4c04868f JO |
2109 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples, " |
2110 | "percent: %s)\n", | |
1ac39372 TS |
2111 | width, width, symbol_conf.show_total_period ? "Period" : |
2112 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
4c04868f JO |
2113 | d_filename, evsel_name, h->nr_samples, |
2114 | percent_type_str(opts->percent_type)); | |
9cdbadce | 2115 | |
53dd9b5f | 2116 | printf("%-*.*s----\n", |
9cdbadce | 2117 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 2118 | |
bb963e16 | 2119 | if (verbose > 0) |
db8fd07a | 2120 | symbol__annotate_hits(sym, evsel); |
78f7defe | 2121 | |
f48e7c40 JO |
2122 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
2123 | ||
8f25b819 JO |
2124 | list_for_each_entry(pos, ¬es->src->source, node) { |
2125 | int err; | |
2126 | ||
d5e3d747 ACM |
2127 | if (context && queue == NULL) { |
2128 | queue = pos; | |
2129 | queue_len = 0; | |
2130 | } | |
2131 | ||
8f25b819 | 2132 | err = annotation_line__print(pos, sym, start, evsel, len, |
982d410b | 2133 | opts->min_pcnt, printed, opts->max_lines, |
796ca33d | 2134 | queue, addr_fmt_width, opts->percent_type); |
8f25b819 JO |
2135 | |
2136 | switch (err) { | |
36532461 ACM |
2137 | case 0: |
2138 | ++printed; | |
d5e3d747 ACM |
2139 | if (context) { |
2140 | printed += queue_len; | |
2141 | queue = NULL; | |
2142 | queue_len = 0; | |
2143 | } | |
36532461 ACM |
2144 | break; |
2145 | case 1: | |
2146 | /* filtered by max_lines */ | |
2147 | ++more; | |
d040bd36 | 2148 | break; |
36532461 ACM |
2149 | case -1: |
2150 | default: | |
d5e3d747 ACM |
2151 | /* |
2152 | * Filtered by min_pcnt or non IP lines when | |
2153 | * context != 0 | |
2154 | */ | |
2155 | if (!context) | |
2156 | break; | |
2157 | if (queue_len == context) | |
8f25b819 | 2158 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2159 | else |
2160 | ++queue_len; | |
36532461 ACM |
2161 | break; |
2162 | } | |
2163 | } | |
2164 | ||
bfd14b9a DA |
2165 | free(filename); |
2166 | ||
36532461 ACM |
2167 | return more; |
2168 | } | |
f1e2701d | 2169 | |
befd2a38 ACM |
2170 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2171 | double percent __maybe_unused, | |
2172 | bool current __maybe_unused) | |
2173 | { | |
2174 | } | |
2175 | ||
2176 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2177 | int nr __maybe_unused, bool current __maybe_unused) | |
2178 | { | |
2179 | return 0; | |
2180 | } | |
2181 | ||
2182 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2183 | { | |
2184 | return 0; | |
2185 | } | |
2186 | ||
2187 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2188 | { | |
2189 | va_list args; | |
2190 | ||
2191 | va_start(args, fmt); | |
2192 | vfprintf(fp, fmt, args); | |
2193 | va_end(args); | |
2194 | } | |
2195 | ||
2196 | static void FILE__write_graph(void *fp, int graph) | |
2197 | { | |
2198 | const char *s; | |
2199 | switch (graph) { | |
2200 | ||
2201 | case DARROW_CHAR: s = "↓"; break; | |
2202 | case UARROW_CHAR: s = "↑"; break; | |
2203 | case LARROW_CHAR: s = "←"; break; | |
2204 | case RARROW_CHAR: s = "→"; break; | |
2205 | default: s = "?"; break; | |
2206 | } | |
2207 | ||
2208 | fputs(s, fp); | |
2209 | } | |
2210 | ||
4c650ddc JO |
2211 | static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp, |
2212 | struct annotation_options *opts) | |
befd2a38 ACM |
2213 | { |
2214 | struct annotation *notes = symbol__annotation(sym); | |
4c650ddc | 2215 | struct annotation_write_ops wops = { |
befd2a38 ACM |
2216 | .first_line = true, |
2217 | .obj = fp, | |
2218 | .set_color = FILE__set_color, | |
2219 | .set_percent_color = FILE__set_percent_color, | |
2220 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2221 | .printf = FILE__printf, | |
2222 | .write_graph = FILE__write_graph, | |
2223 | }; | |
2224 | struct annotation_line *al; | |
2225 | ||
2226 | list_for_each_entry(al, ¬es->src->source, node) { | |
2227 | if (annotation_line__filter(al, notes)) | |
2228 | continue; | |
4c650ddc | 2229 | annotation_line__write(al, notes, &wops, opts); |
befd2a38 | 2230 | fputc('\n', fp); |
4c650ddc | 2231 | wops.first_line = false; |
befd2a38 ACM |
2232 | } |
2233 | ||
2234 | return 0; | |
2235 | } | |
2236 | ||
4c650ddc JO |
2237 | int map_symbol__annotation_dump(struct map_symbol *ms, struct perf_evsel *evsel, |
2238 | struct annotation_options *opts) | |
d9bd7665 ACM |
2239 | { |
2240 | const char *ev_name = perf_evsel__name(evsel); | |
2241 | char buf[1024]; | |
2242 | char *filename; | |
2243 | int err = -1; | |
2244 | FILE *fp; | |
2245 | ||
2246 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2247 | return -1; | |
2248 | ||
2249 | fp = fopen(filename, "w"); | |
2250 | if (fp == NULL) | |
2251 | goto out_free_filename; | |
2252 | ||
2253 | if (perf_evsel__is_group_event(evsel)) { | |
2254 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2255 | ev_name = buf; | |
2256 | } | |
2257 | ||
2258 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2259 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
4c650ddc | 2260 | symbol__annotate_fprintf2(ms->sym, fp, opts); |
d9bd7665 ACM |
2261 | |
2262 | fclose(fp); | |
2263 | err = 0; | |
2264 | out_free_filename: | |
2265 | free(filename); | |
2266 | return err; | |
2267 | } | |
2268 | ||
36532461 ACM |
2269 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2270 | { | |
2271 | struct annotation *notes = symbol__annotation(sym); | |
2272 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2273 | ||
ce6f4fab | 2274 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2275 | } |
2276 | ||
ce6f4fab | 2277 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2278 | { |
2279 | struct annotation *notes = symbol__annotation(sym); | |
2280 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2281 | int len = symbol__size(sym), offset; |
36532461 | 2282 | |
8158683d | 2283 | h->nr_samples = 0; |
8b84a568 | 2284 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2285 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2286 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2287 | } |
2288 | } | |
2289 | ||
f8eb37bd | 2290 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2291 | { |
f8eb37bd | 2292 | struct annotation_line *al, *n; |
f1e2701d | 2293 | |
f8eb37bd JO |
2294 | list_for_each_entry_safe(al, n, &as->source, node) { |
2295 | list_del(&al->node); | |
2296 | disasm_line__free(disasm_line(al)); | |
f1e2701d ACM |
2297 | } |
2298 | } | |
2299 | ||
5145418b ACM |
2300 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2301 | { | |
2302 | size_t printed; | |
2303 | ||
d5490b96 JO |
2304 | if (dl->al.offset == -1) |
2305 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2306 | |
d5490b96 | 2307 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2308 | |
c7e6ead7 | 2309 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2310 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2311 | dl->ops.raw); |
5145418b ACM |
2312 | } |
2313 | ||
2314 | return printed + fprintf(fp, "\n"); | |
2315 | } | |
2316 | ||
2317 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2318 | { | |
2319 | struct disasm_line *pos; | |
2320 | size_t printed = 0; | |
2321 | ||
a17c4ca0 | 2322 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2323 | printed += disasm_line__fprintf(pos, fp); |
2324 | ||
2325 | return printed; | |
2326 | } | |
2327 | ||
2eff0611 | 2328 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2329 | { |
2330 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2331 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2332 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2333 | return false; | |
2334 | ||
2335 | return true; | |
2336 | } | |
2337 | ||
2338 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2339 | { | |
2340 | u64 offset, size = symbol__size(sym); | |
2341 | ||
2342 | /* PLT symbols contain external offsets */ | |
2343 | if (strstr(sym->name, "@plt")) | |
2344 | return; | |
2345 | ||
2346 | for (offset = 0; offset < size; ++offset) { | |
2347 | struct annotation_line *al = notes->offsets[offset]; | |
2348 | struct disasm_line *dl; | |
2349 | ||
2350 | dl = disasm_line(al); | |
2351 | ||
2eff0611 | 2352 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2353 | continue; |
2354 | ||
2355 | al = notes->offsets[dl->ops.target.offset]; | |
2356 | ||
2357 | /* | |
2358 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2359 | * have to adjust to the previous offset? | |
2360 | */ | |
2361 | if (al == NULL) | |
2362 | continue; | |
2363 | ||
2364 | if (++al->jump_sources > notes->max_jump_sources) | |
2365 | notes->max_jump_sources = al->jump_sources; | |
2366 | ||
2367 | ++notes->nr_jumps; | |
2368 | } | |
2369 | } | |
2370 | ||
5bc49f61 ACM |
2371 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2372 | { | |
2373 | struct annotation_line *al; | |
2374 | ||
2375 | notes->max_line_len = 0; | |
2376 | ||
2377 | list_for_each_entry(al, ¬es->src->source, node) { | |
2378 | size_t line_len = strlen(al->line); | |
2379 | ||
2380 | if (notes->max_line_len < line_len) | |
2381 | notes->max_line_len = line_len; | |
2382 | al->idx = notes->nr_entries++; | |
2383 | if (al->offset != -1) { | |
2384 | al->idx_asm = notes->nr_asm_entries++; | |
2385 | /* | |
2386 | * FIXME: short term bandaid to cope with assembly | |
2387 | * routines that comes with labels in the same column | |
2388 | * as the address in objdump, sigh. | |
2389 | * | |
2390 | * E.g. copy_user_generic_unrolled | |
2391 | */ | |
2392 | if (al->offset < size) | |
2393 | notes->offsets[al->offset] = al; | |
2394 | } else | |
2395 | al->idx_asm = -1; | |
2396 | } | |
2397 | } | |
2398 | ||
b8b0d819 ACM |
2399 | static inline int width_jumps(int n) |
2400 | { | |
2401 | if (n >= 100) | |
2402 | return 5; | |
2403 | if (n / 10) | |
2404 | return 2; | |
2405 | return 1; | |
2406 | } | |
2407 | ||
2408 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) | |
2409 | { | |
2410 | notes->widths.addr = notes->widths.target = | |
2411 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2412 | notes->widths.max_addr = hex_width(sym->end); | |
2413 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
2414 | } | |
2415 | ||
7232bf7a ACM |
2416 | void annotation__update_column_widths(struct annotation *notes) |
2417 | { | |
2418 | if (notes->options->use_offset) | |
2419 | notes->widths.target = notes->widths.min_addr; | |
2420 | else | |
2421 | notes->widths.target = notes->widths.max_addr; | |
2422 | ||
2423 | notes->widths.addr = notes->widths.target; | |
2424 | ||
2425 | if (notes->options->show_nr_jumps) | |
2426 | notes->widths.addr += notes->widths.jumps + 1; | |
2427 | } | |
2428 | ||
8b4c74dc | 2429 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
c849c12c JO |
2430 | struct rb_root *root, |
2431 | struct annotation_options *opts) | |
8b4c74dc JO |
2432 | { |
2433 | struct annotation_line *al; | |
2434 | struct rb_root tmp_root = RB_ROOT; | |
2435 | ||
2436 | list_for_each_entry(al, ¬es->src->source, node) { | |
2437 | double percent_max = 0.0; | |
2438 | int i; | |
2439 | ||
c2f938ba | 2440 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d | 2441 | double percent; |
8b4c74dc | 2442 | |
6d9f0c2d | 2443 | percent = annotation_data__percent(&al->data[i], |
c849c12c | 2444 | opts->percent_type); |
8b4c74dc | 2445 | |
6d9f0c2d JO |
2446 | if (percent > percent_max) |
2447 | percent_max = percent; | |
8b4c74dc JO |
2448 | } |
2449 | ||
2450 | if (percent_max <= 0.5) | |
2451 | continue; | |
2452 | ||
425859ff ACM |
2453 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2454 | false, true, notes->start + al->offset); | |
c849c12c | 2455 | insert_source_line(&tmp_root, al, opts); |
8b4c74dc JO |
2456 | } |
2457 | ||
2458 | resort_source_line(root, &tmp_root); | |
2459 | } | |
2460 | ||
2461 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
c849c12c JO |
2462 | struct rb_root *root, |
2463 | struct annotation_options *opts) | |
8b4c74dc JO |
2464 | { |
2465 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2466 | |
c849c12c | 2467 | annotation__calc_lines(notes, map, root, opts); |
8b4c74dc JO |
2468 | } |
2469 | ||
befd2a38 | 2470 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
982d410b ACM |
2471 | struct perf_evsel *evsel, |
2472 | struct annotation_options *opts) | |
befd2a38 ACM |
2473 | { |
2474 | struct dso *dso = map->dso; | |
2475 | struct rb_root source_line = RB_ROOT; | |
0683d13c | 2476 | struct hists *hists = evsel__hists(evsel); |
864298f2 | 2477 | char buf[1024]; |
befd2a38 | 2478 | |
982d410b | 2479 | if (symbol__annotate2(sym, map, evsel, opts, NULL) < 0) |
befd2a38 ACM |
2480 | return -1; |
2481 | ||
982d410b ACM |
2482 | if (opts->print_lines) { |
2483 | srcline_full_filename = opts->full_path; | |
c849c12c | 2484 | symbol__calc_lines(sym, map, &source_line, opts); |
befd2a38 ACM |
2485 | print_summary(&source_line, dso->long_name); |
2486 | } | |
2487 | ||
0683d13c | 2488 | hists__scnprintf_title(hists, buf, sizeof(buf)); |
4c04868f JO |
2489 | fprintf(stdout, "%s, [percent: %s]\n%s() %s\n", |
2490 | buf, percent_type_str(opts->percent_type), sym->name, dso->long_name); | |
4c650ddc | 2491 | symbol__annotate_fprintf2(sym, stdout, opts); |
befd2a38 ACM |
2492 | |
2493 | annotated_source__purge(symbol__annotation(sym)->src); | |
2494 | ||
2495 | return 0; | |
2496 | } | |
2497 | ||
db8fd07a | 2498 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
982d410b ACM |
2499 | struct perf_evsel *evsel, |
2500 | struct annotation_options *opts) | |
f1e2701d ACM |
2501 | { |
2502 | struct dso *dso = map->dso; | |
f1e2701d | 2503 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2504 | |
380195e2 | 2505 | if (symbol__annotate(sym, map, evsel, 0, opts, NULL) < 0) |
f1e2701d ACM |
2506 | return -1; |
2507 | ||
05d3f1a1 JO |
2508 | symbol__calc_percent(sym, evsel); |
2509 | ||
982d410b ACM |
2510 | if (opts->print_lines) { |
2511 | srcline_full_filename = opts->full_path; | |
c849c12c | 2512 | symbol__calc_lines(sym, map, &source_line, opts); |
86c98cab | 2513 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2514 | } |
2515 | ||
982d410b | 2516 | symbol__annotate_printf(sym, map, evsel, opts); |
78f7defe | 2517 | |
f8eb37bd | 2518 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2519 | |
78f7defe ACM |
2520 | return 0; |
2521 | } | |
f626adff | 2522 | |
48c65bda NK |
2523 | bool ui__has_annotation(void) |
2524 | { | |
2e0453af | 2525 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2526 | } |
ecda45bd | 2527 | |
2f025ea0 | 2528 | |
5ecf7d30 | 2529 | static double annotation_line__max_percent(struct annotation_line *al, |
4c650ddc JO |
2530 | struct annotation *notes, |
2531 | unsigned int percent_type) | |
2f025ea0 ACM |
2532 | { |
2533 | double percent_max = 0.0; | |
2534 | int i; | |
2535 | ||
2536 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2537 | double percent; |
2538 | ||
2539 | percent = annotation_data__percent(&al->data[i], | |
4c650ddc | 2540 | percent_type); |
6d9f0c2d JO |
2541 | |
2542 | if (percent > percent_max) | |
2543 | percent_max = percent; | |
2f025ea0 ACM |
2544 | } |
2545 | ||
2546 | return percent_max; | |
2547 | } | |
2548 | ||
a1e9b74c ACM |
2549 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2550 | void *obj, char *bf, size_t size, | |
2551 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2552 | void (*obj__write_graph)(void *obj, int graph)) | |
2553 | { | |
2554 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2555 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2556 | bool fwd; |
a1e9b74c | 2557 | |
751b1783 ACM |
2558 | if (dl->ops.target.outside) |
2559 | goto call_like; | |
2560 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2561 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2562 | obj__printf(obj, " "); | |
2563 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2564 | call_like: |
a1e9b74c ACM |
2565 | obj__write_graph(obj, RARROW_CHAR); |
2566 | obj__printf(obj, " "); | |
2567 | } else if (ins__is_ret(&dl->ins)) { | |
2568 | obj__write_graph(obj, LARROW_CHAR); | |
2569 | obj__printf(obj, " "); | |
2570 | } else { | |
2571 | obj__printf(obj, " "); | |
2572 | } | |
2573 | } else { | |
2574 | obj__printf(obj, " "); | |
2575 | } | |
2576 | ||
2577 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset); | |
2578 | } | |
2579 | ||
ace4f8fa JY |
2580 | static void ipc_coverage_string(char *bf, int size, struct annotation *notes) |
2581 | { | |
2582 | double ipc = 0.0, coverage = 0.0; | |
2583 | ||
2584 | if (notes->hit_cycles) | |
2585 | ipc = notes->hit_insn / ((double)notes->hit_cycles); | |
2586 | ||
2587 | if (notes->total_insn) { | |
2588 | coverage = notes->cover_insn * 100.0 / | |
2589 | ((double)notes->total_insn); | |
2590 | } | |
2591 | ||
2592 | scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)", | |
2593 | ipc, coverage); | |
2594 | } | |
2595 | ||
c298304b ACM |
2596 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2597 | bool first_line, bool current_entry, bool change_color, int width, | |
4c650ddc | 2598 | void *obj, unsigned int percent_type, |
c298304b ACM |
2599 | int (*obj__set_color)(void *obj, int color), |
2600 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2601 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2602 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2603 | void (*obj__write_graph)(void *obj, int graph)) | |
2604 | ||
2ba5eca1 | 2605 | { |
4c650ddc | 2606 | double percent_max = annotation_line__max_percent(al, notes, percent_type); |
a1e9b74c ACM |
2607 | int pcnt_width = annotation__pcnt_width(notes), |
2608 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2609 | bool show_title = false; |
a1e9b74c ACM |
2610 | char bf[256]; |
2611 | int printed; | |
2ba5eca1 ACM |
2612 | |
2613 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2614 | if (notes->have_cycles) { | |
2615 | if (al->ipc == 0.0 && al->cycles == 0) | |
2616 | show_title = true; | |
2617 | } else | |
2618 | show_title = true; | |
2619 | } | |
2620 | ||
2ba5eca1 ACM |
2621 | if (al->offset != -1 && percent_max != 0.0) { |
2622 | int i; | |
2623 | ||
2624 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2625 | double percent; |
2626 | ||
4c650ddc | 2627 | percent = annotation_data__percent(&al->data[i], percent_type); |
6d9f0c2d JO |
2628 | |
2629 | obj__set_percent_color(obj, percent, current_entry); | |
2ba5eca1 | 2630 | if (notes->options->show_total_period) { |
c2f938ba | 2631 | obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period); |
2ba5eca1 ACM |
2632 | } else if (notes->options->show_nr_samples) { |
2633 | obj__printf(obj, "%6" PRIu64 " ", | |
c2f938ba | 2634 | al->data[i].he.nr_samples); |
2ba5eca1 | 2635 | } else { |
6d9f0c2d | 2636 | obj__printf(obj, "%6.2f ", percent); |
2ba5eca1 ACM |
2637 | } |
2638 | } | |
2639 | } else { | |
2ba5eca1 ACM |
2640 | obj__set_percent_color(obj, 0, current_entry); |
2641 | ||
2642 | if (!show_title) | |
a1e9b74c | 2643 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2644 | else { |
a1e9b74c | 2645 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2646 | notes->options->show_total_period ? "Period" : |
2647 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2648 | } | |
2649 | } | |
2650 | ||
2651 | if (notes->have_cycles) { | |
2652 | if (al->ipc) | |
2653 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2654 | else if (!show_title) | |
2655 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2656 | else | |
2657 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2658 | ||
3e71fc03 JY |
2659 | if (!notes->options->show_minmax_cycle) { |
2660 | if (al->cycles) | |
2661 | obj__printf(obj, "%*" PRIu64 " ", | |
2ba5eca1 | 2662 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); |
3e71fc03 JY |
2663 | else if (!show_title) |
2664 | obj__printf(obj, "%*s", | |
2665 | ANNOTATION__CYCLES_WIDTH, " "); | |
2666 | else | |
2667 | obj__printf(obj, "%*s ", | |
2668 | ANNOTATION__CYCLES_WIDTH - 1, | |
2669 | "Cycle"); | |
2670 | } else { | |
2671 | if (al->cycles) { | |
2672 | char str[32]; | |
2673 | ||
2674 | scnprintf(str, sizeof(str), | |
2675 | "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")", | |
2676 | al->cycles, al->cycles_min, | |
2677 | al->cycles_max); | |
2678 | ||
2679 | obj__printf(obj, "%*s ", | |
2680 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2681 | str); | |
2682 | } else if (!show_title) | |
2683 | obj__printf(obj, "%*s", | |
2684 | ANNOTATION__MINMAX_CYCLES_WIDTH, | |
2685 | " "); | |
2686 | else | |
2687 | obj__printf(obj, "%*s ", | |
2688 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2689 | "Cycle(min/max)"); | |
2690 | } | |
ace4f8fa JY |
2691 | |
2692 | if (show_title && !*al->line) { | |
2693 | ipc_coverage_string(bf, sizeof(bf), notes); | |
2694 | obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf); | |
2695 | } | |
2ba5eca1 ACM |
2696 | } |
2697 | ||
2698 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2699 | |
2700 | if (!*al->line) | |
2701 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2702 | else if (al->offset == -1) { | |
2703 | if (al->line_nr && notes->options->show_linenr) | |
2704 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2705 | else | |
2706 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2707 | obj__printf(obj, bf); | |
2708 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2709 | } else { | |
2710 | u64 addr = al->offset; | |
2711 | int color = -1; | |
2712 | ||
2713 | if (!notes->options->use_offset) | |
2714 | addr += notes->start; | |
2715 | ||
2716 | if (!notes->options->use_offset) { | |
2717 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2718 | } else { | |
592c10e2 ACM |
2719 | if (al->jump_sources && |
2720 | notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { | |
a1e9b74c ACM |
2721 | if (notes->options->show_nr_jumps) { |
2722 | int prev; | |
2723 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2724 | notes->widths.jumps, | |
2725 | al->jump_sources); | |
2726 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2727 | current_entry); | |
2728 | obj__printf(obj, bf); | |
2729 | obj__set_color(obj, prev); | |
2730 | } | |
592c10e2 | 2731 | print_addr: |
a1e9b74c ACM |
2732 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", |
2733 | notes->widths.target, addr); | |
592c10e2 ACM |
2734 | } else if (ins__is_call(&disasm_line(al)->ins) && |
2735 | notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { | |
2736 | goto print_addr; | |
2737 | } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { | |
2738 | goto print_addr; | |
a1e9b74c ACM |
2739 | } else { |
2740 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2741 | notes->widths.addr, " "); | |
2742 | } | |
2743 | } | |
2744 | ||
2745 | if (change_color) | |
2746 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2747 | obj__printf(obj, bf); | |
2748 | if (change_color) | |
2749 | obj__set_color(obj, color); | |
2750 | ||
2751 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2752 | ||
2753 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2754 | } | |
2755 | ||
2ba5eca1 ACM |
2756 | } |
2757 | ||
c298304b | 2758 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
4c650ddc JO |
2759 | struct annotation_write_ops *wops, |
2760 | struct annotation_options *opts) | |
c298304b | 2761 | { |
4c650ddc JO |
2762 | __annotation_line__write(al, notes, wops->first_line, wops->current_entry, |
2763 | wops->change_color, wops->width, wops->obj, | |
2764 | opts->percent_type, | |
2765 | wops->set_color, wops->set_percent_color, | |
2766 | wops->set_jumps_percent_color, wops->printf, | |
2767 | wops->write_graph); | |
c298304b ACM |
2768 | } |
2769 | ||
ecda45bd ACM |
2770 | int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *evsel, |
2771 | struct annotation_options *options, struct arch **parch) | |
2772 | { | |
2773 | struct annotation *notes = symbol__annotation(sym); | |
2774 | size_t size = symbol__size(sym); | |
2775 | int nr_pcnt = 1, err; | |
2776 | ||
2777 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2778 | if (notes->offsets == NULL) | |
2779 | return -1; | |
2780 | ||
2781 | if (perf_evsel__is_group_event(evsel)) | |
2782 | nr_pcnt = evsel->nr_members; | |
2783 | ||
380195e2 | 2784 | err = symbol__annotate(sym, map, evsel, 0, options, parch); |
ecda45bd ACM |
2785 | if (err) |
2786 | goto out_free_offsets; | |
2787 | ||
2788 | notes->options = options; | |
2789 | ||
2790 | symbol__calc_percent(sym, evsel); | |
2791 | ||
2792 | notes->start = map__rip_2objdump(map, sym->start); | |
2793 | ||
2794 | annotation__set_offsets(notes, size); | |
2795 | annotation__mark_jump_targets(notes, sym); | |
2796 | annotation__compute_ipc(notes, size); | |
2797 | annotation__init_column_widths(notes, sym); | |
2798 | notes->nr_events = nr_pcnt; | |
2799 | ||
2800 | annotation__update_column_widths(notes); | |
2801 | ||
2802 | return 0; | |
2803 | ||
2804 | out_free_offsets: | |
2805 | zfree(¬es->offsets); | |
2806 | return -1; | |
2807 | } | |
7f0b6fde ACM |
2808 | |
2809 | #define ANNOTATION__CFG(n) \ | |
2810 | { .name = #n, .value = &annotation__default_options.n, } | |
2811 | ||
2812 | /* | |
2813 | * Keep the entries sorted, they are bsearch'ed | |
2814 | */ | |
2815 | static struct annotation_config { | |
2816 | const char *name; | |
43c40231 | 2817 | void *value; |
7f0b6fde ACM |
2818 | } annotation__configs[] = { |
2819 | ANNOTATION__CFG(hide_src_code), | |
2820 | ANNOTATION__CFG(jump_arrows), | |
43c40231 | 2821 | ANNOTATION__CFG(offset_level), |
7f0b6fde ACM |
2822 | ANNOTATION__CFG(show_linenr), |
2823 | ANNOTATION__CFG(show_nr_jumps), | |
2824 | ANNOTATION__CFG(show_nr_samples), | |
2825 | ANNOTATION__CFG(show_total_period), | |
2826 | ANNOTATION__CFG(use_offset), | |
2827 | }; | |
2828 | ||
2829 | #undef ANNOTATION__CFG | |
2830 | ||
2831 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
2832 | { | |
2833 | const struct annotation_config *cfg = cfgp; | |
2834 | ||
2835 | return strcmp(name, cfg->name); | |
2836 | } | |
2837 | ||
2838 | static int annotation__config(const char *var, const char *value, | |
2839 | void *data __maybe_unused) | |
2840 | { | |
2841 | struct annotation_config *cfg; | |
2842 | const char *name; | |
2843 | ||
2844 | if (!strstarts(var, "annotate.")) | |
2845 | return 0; | |
2846 | ||
2847 | name = var + 9; | |
2848 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
2849 | sizeof(struct annotation_config), annotation_config__cmp); | |
2850 | ||
2851 | if (cfg == NULL) | |
2852 | pr_debug("%s variable unknown, ignoring...", var); | |
43c40231 ACM |
2853 | else if (strcmp(var, "annotate.offset_level") == 0) { |
2854 | perf_config_int(cfg->value, name, value); | |
2855 | ||
2856 | if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) | |
2857 | *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; | |
2858 | else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) | |
2859 | *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; | |
2860 | } else { | |
2861 | *(bool *)cfg->value = perf_config_bool(name, value); | |
2862 | } | |
7f0b6fde ACM |
2863 | return 0; |
2864 | } | |
2865 | ||
2866 | void annotation_config__init(void) | |
2867 | { | |
2868 | perf_config(annotation__config, NULL); | |
2869 | ||
2870 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
2871 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
2872 | } | |
88c21190 JO |
2873 | |
2874 | static unsigned int parse_percent_type(char *str1, char *str2) | |
2875 | { | |
2876 | unsigned int type = (unsigned int) -1; | |
2877 | ||
2878 | if (!strcmp("period", str1)) { | |
2879 | if (!strcmp("local", str2)) | |
2880 | type = PERCENT_PERIOD_LOCAL; | |
2881 | else if (!strcmp("global", str2)) | |
2882 | type = PERCENT_PERIOD_GLOBAL; | |
2883 | } | |
2884 | ||
2885 | if (!strcmp("hits", str1)) { | |
2886 | if (!strcmp("local", str2)) | |
2887 | type = PERCENT_HITS_LOCAL; | |
2888 | else if (!strcmp("global", str2)) | |
2889 | type = PERCENT_HITS_GLOBAL; | |
2890 | } | |
2891 | ||
2892 | return type; | |
2893 | } | |
2894 | ||
2895 | int annotate_parse_percent_type(const struct option *opt, const char *_str, | |
2896 | int unset __maybe_unused) | |
2897 | { | |
2898 | struct annotation_options *opts = opt->value; | |
2899 | unsigned int type; | |
2900 | char *str1, *str2; | |
2901 | int err = -1; | |
2902 | ||
2903 | str1 = strdup(_str); | |
2904 | if (!str1) | |
2905 | return -ENOMEM; | |
2906 | ||
2907 | str2 = strchr(str1, '-'); | |
2908 | if (!str2) | |
2909 | goto out; | |
2910 | ||
2911 | *str2++ = 0; | |
2912 | ||
2913 | type = parse_percent_type(str1, str2); | |
2914 | if (type == (unsigned int) -1) | |
2915 | type = parse_percent_type(str2, str1); | |
2916 | if (type != (unsigned int) -1) { | |
2917 | opts->percent_type = type; | |
2918 | err = 0; | |
2919 | } | |
2920 | ||
2921 | out: | |
2922 | free(str1); | |
2923 | return err; | |
2924 | } |