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Commit | Line | Data |
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91007045 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
78f7defe ACM |
2 | /* |
3 | * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> | |
4 | * | |
5 | * Parts came from builtin-annotate.c, see those files for further | |
6 | * copyright notes. | |
78f7defe ACM |
7 | */ |
8 | ||
a43783ae | 9 | #include <errno.h> |
fd20e811 | 10 | #include <inttypes.h> |
68c0188e | 11 | #include <libgen.h> |
6987561c SL |
12 | #include <bpf/bpf.h> |
13 | #include <bpf/btf.h> | |
14 | #include <bpf/libbpf.h> | |
15 | #include <linux/btf.h> | |
78f7defe | 16 | #include "util.h" |
48c65bda NK |
17 | #include "ui/ui.h" |
18 | #include "sort.h" | |
78f7defe ACM |
19 | #include "build-id.h" |
20 | #include "color.h" | |
7f0b6fde | 21 | #include "config.h" |
78f7defe | 22 | #include "cache.h" |
1101f69a | 23 | #include "map.h" |
78f7defe | 24 | #include "symbol.h" |
b213eac2 | 25 | #include "units.h" |
78f7defe ACM |
26 | #include "debug.h" |
27 | #include "annotate.h" | |
db8fd07a | 28 | #include "evsel.h" |
0693f758 | 29 | #include "evlist.h" |
6987561c | 30 | #include "bpf-event.h" |
70fbe057 | 31 | #include "block-range.h" |
a067558e | 32 | #include "string2.h" |
786c1b51 | 33 | #include "arch/common.h" |
e592488c | 34 | #include <regex.h> |
ce6f4fab | 35 | #include <pthread.h> |
4383db88 | 36 | #include <linux/bitops.h> |
877a7a11 | 37 | #include <linux/kernel.h> |
13c230ab | 38 | #include <linux/string.h> |
6987561c | 39 | #include <bpf/libbpf.h> |
78f7defe | 40 | |
a1e9b74c ACM |
41 | /* FIXME: For the HE_COLORSET */ |
42 | #include "ui/browser.h" | |
43 | ||
44 | /* | |
45 | * FIXME: Using the same values as slang.h, | |
46 | * but that header may not be available everywhere | |
47 | */ | |
c298304b ACM |
48 | #define LARROW_CHAR ((unsigned char)',') |
49 | #define RARROW_CHAR ((unsigned char)'+') | |
50 | #define DARROW_CHAR ((unsigned char)'.') | |
51 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 52 | |
3052ba56 | 53 | #include <linux/ctype.h> |
3d689ed6 | 54 | |
7f0b6fde ACM |
55 | struct annotation_options annotation__default_options = { |
56 | .use_offset = true, | |
57 | .jump_arrows = true, | |
1eddd9e4 | 58 | .annotate_src = true, |
592c10e2 | 59 | .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, |
addba8b6 | 60 | .percent_type = PERCENT_PERIOD_LOCAL, |
7f0b6fde ACM |
61 | }; |
62 | ||
e592488c | 63 | static regex_t file_lineno; |
f69b64f7 | 64 | |
75b49202 | 65 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 66 | static void ins__sort(struct arch *arch); |
75b49202 | 67 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 68 | |
786c1b51 ACM |
69 | struct arch { |
70 | const char *name; | |
763d8960 ACM |
71 | struct ins *instructions; |
72 | size_t nr_instructions; | |
2a1ff812 ACM |
73 | size_t nr_instructions_allocated; |
74 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 75 | bool sorted_instructions; |
0781ea92 ACM |
76 | bool initialized; |
77 | void *priv; | |
69fb09f6 JY |
78 | unsigned int model; |
79 | unsigned int family; | |
696e2457 | 80 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
81 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
82 | const char *ins2); | |
786c1b51 ACM |
83 | struct { |
84 | char comment_char; | |
9c2fb451 | 85 | char skip_functions_char; |
786c1b51 ACM |
86 | } objdump; |
87 | }; | |
88 | ||
763d8960 ACM |
89 | static struct ins_ops call_ops; |
90 | static struct ins_ops dec_ops; | |
91 | static struct ins_ops jump_ops; | |
92 | static struct ins_ops mov_ops; | |
93 | static struct ins_ops nop_ops; | |
94 | static struct ins_ops lock_ops; | |
95 | static struct ins_ops ret_ops; | |
96 | ||
2a1ff812 ACM |
97 | static int arch__grow_instructions(struct arch *arch) |
98 | { | |
99 | struct ins *new_instructions; | |
100 | size_t new_nr_allocated; | |
101 | ||
102 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
103 | goto grow_from_non_allocated_table; | |
104 | ||
105 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
106 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
107 | if (new_instructions == NULL) | |
108 | return -1; | |
109 | ||
110 | out_update_instructions: | |
111 | arch->instructions = new_instructions; | |
112 | arch->nr_instructions_allocated = new_nr_allocated; | |
113 | return 0; | |
114 | ||
115 | grow_from_non_allocated_table: | |
116 | new_nr_allocated = arch->nr_instructions + 128; | |
117 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
118 | if (new_instructions == NULL) | |
119 | return -1; | |
120 | ||
121 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
122 | goto out_update_instructions; | |
123 | } | |
124 | ||
acc9bfb5 | 125 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
126 | { |
127 | struct ins *ins; | |
128 | ||
129 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
130 | arch__grow_instructions(arch)) | |
131 | return -1; | |
132 | ||
133 | ins = &arch->instructions[arch->nr_instructions]; | |
134 | ins->name = strdup(name); | |
135 | if (!ins->name) | |
136 | return -1; | |
137 | ||
138 | ins->ops = ops; | |
139 | arch->nr_instructions++; | |
140 | ||
141 | ins__sort(arch); | |
142 | return 0; | |
143 | } | |
144 | ||
6d99a79c | 145 | #include "arch/arc/annotate/instructions.c" |
763d8960 | 146 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 147 | #include "arch/arm64/annotate/instructions.c" |
aa23aa55 | 148 | #include "arch/csky/annotate/instructions.c" |
763d8960 | 149 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 150 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 151 | #include "arch/s390/annotate/instructions.c" |
0ab41886 | 152 | #include "arch/sparc/annotate/instructions.c" |
763d8960 | 153 | |
786c1b51 | 154 | static struct arch architectures[] = { |
6d99a79c EP |
155 | { |
156 | .name = "arc", | |
157 | .init = arc__annotate_init, | |
158 | }, | |
786c1b51 ACM |
159 | { |
160 | .name = "arm", | |
acc9bfb5 | 161 | .init = arm__annotate_init, |
786c1b51 | 162 | }, |
0fcb1da4 KP |
163 | { |
164 | .name = "arm64", | |
165 | .init = arm64__annotate_init, | |
166 | }, | |
aa23aa55 MH |
167 | { |
168 | .name = "csky", | |
169 | .init = csky__annotate_init, | |
170 | }, | |
786c1b51 ACM |
171 | { |
172 | .name = "x86", | |
696e2457 | 173 | .init = x86__annotate_init, |
763d8960 ACM |
174 | .instructions = x86__instructions, |
175 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 176 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
177 | .objdump = { |
178 | .comment_char = '#', | |
179 | }, | |
180 | }, | |
dbdebdc5 RB |
181 | { |
182 | .name = "powerpc", | |
183 | .init = powerpc__annotate_init, | |
184 | }, | |
e77852b3 CB |
185 | { |
186 | .name = "s390", | |
d9f8dfa9 | 187 | .init = s390__annotate_init, |
e77852b3 CB |
188 | .objdump = { |
189 | .comment_char = '#', | |
190 | }, | |
191 | }, | |
0ab41886 DM |
192 | { |
193 | .name = "sparc", | |
194 | .init = sparc__annotate_init, | |
195 | .objdump = { | |
196 | .comment_char = '#', | |
197 | }, | |
198 | }, | |
786c1b51 ACM |
199 | }; |
200 | ||
c46219ac ACM |
201 | static void ins__delete(struct ins_operands *ops) |
202 | { | |
3995614d ACM |
203 | if (ops == NULL) |
204 | return; | |
74cf249d ACM |
205 | zfree(&ops->source.raw); |
206 | zfree(&ops->source.name); | |
207 | zfree(&ops->target.raw); | |
208 | zfree(&ops->target.name); | |
c46219ac ACM |
209 | } |
210 | ||
5417072b | 211 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 212 | struct ins_operands *ops, int max_ins_name) |
5417072b | 213 | { |
bc3bb795 | 214 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw); |
5417072b ACM |
215 | } |
216 | ||
217 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 218 | struct ins_operands *ops, int max_ins_name) |
5417072b ACM |
219 | { |
220 | if (ins->ops->scnprintf) | |
bc3bb795 | 221 | return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name); |
5417072b | 222 | |
bc3bb795 | 223 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
5417072b ACM |
224 | } |
225 | ||
69fb09f6 JY |
226 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
227 | { | |
228 | if (!arch || !arch->ins_is_fused) | |
229 | return false; | |
230 | ||
231 | return arch->ins_is_fused(arch, ins1, ins2); | |
232 | } | |
233 | ||
85a84e4f | 234 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 235 | { |
d2232885 | 236 | char *endptr, *tok, *name; |
85a84e4f | 237 | struct map *map = ms->map; |
696703af ACM |
238 | struct addr_map_symbol target = { |
239 | .map = map, | |
240 | }; | |
d2232885 | 241 | |
44d1a3ed | 242 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
243 | |
244 | name = strchr(endptr, '<'); | |
245 | if (name == NULL) | |
246 | goto indirect_call; | |
247 | ||
248 | name++; | |
249 | ||
9c2fb451 ACM |
250 | if (arch->objdump.skip_functions_char && |
251 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 252 | return -1; |
cfef25b8 | 253 | |
d2232885 ACM |
254 | tok = strchr(name, '>'); |
255 | if (tok == NULL) | |
256 | return -1; | |
257 | ||
258 | *tok = '\0'; | |
44d1a3ed | 259 | ops->target.name = strdup(name); |
d2232885 ACM |
260 | *tok = '>'; |
261 | ||
696703af ACM |
262 | if (ops->target.name == NULL) |
263 | return -1; | |
264 | find_target: | |
265 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 266 | |
696703af ACM |
267 | if (map_groups__find_ams(&target) == 0 && |
268 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
269 | ops->target.sym = target.sym; | |
e8ea1561 | 270 | |
d86b0597 | 271 | return 0; |
696703af ACM |
272 | |
273 | indirect_call: | |
274 | tok = strchr(endptr, '*'); | |
1dc27f63 ML |
275 | if (tok != NULL) { |
276 | endptr++; | |
277 | ||
278 | /* Indirect call can use a non-rip register and offset: callq *0x8(%rbx). | |
279 | * Do not parse such instruction. */ | |
280 | if (strstr(endptr, "(%r") == NULL) | |
281 | ops->target.addr = strtoull(endptr, NULL, 16); | |
282 | } | |
696703af | 283 | goto find_target; |
d86b0597 ACM |
284 | } |
285 | ||
d2232885 | 286 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 287 | struct ins_operands *ops, int max_ins_name) |
d2232885 | 288 | { |
696703af | 289 | if (ops->target.sym) |
bc3bb795 | 290 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); |
d2232885 | 291 | |
e8ea1561 | 292 | if (ops->target.addr == 0) |
bc3bb795 | 293 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
e8ea1561 | 294 | |
4c9cb2c2 | 295 | if (ops->target.name) |
bc3bb795 | 296 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name); |
4c9cb2c2 | 297 | |
bc3bb795 | 298 | return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr); |
d2232885 ACM |
299 | } |
300 | ||
d86b0597 | 301 | static struct ins_ops call_ops = { |
d2232885 ACM |
302 | .parse = call__parse, |
303 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
304 | }; |
305 | ||
306 | bool ins__is_call(const struct ins *ins) | |
307 | { | |
0b58a77c | 308 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
309 | } |
310 | ||
4e67b2a5 KP |
311 | /* |
312 | * Prevents from matching commas in the comment section, e.g.: | |
313 | * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast | |
314 | */ | |
315 | static inline const char *validate_comma(const char *c, struct ins_operands *ops) | |
316 | { | |
317 | if (ops->raw_comment && c > ops->raw_comment) | |
318 | return NULL; | |
319 | ||
320 | return c; | |
321 | } | |
322 | ||
323 | static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) | |
4f9d0325 | 324 | { |
751b1783 ACM |
325 | struct map *map = ms->map; |
326 | struct symbol *sym = ms->sym; | |
327 | struct addr_map_symbol target = { | |
328 | .map = map, | |
329 | }; | |
3ee2eb6d | 330 | const char *c = strchr(ops->raw, ','); |
751b1783 | 331 | u64 start, end; |
4e67b2a5 KP |
332 | |
333 | ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char); | |
334 | c = validate_comma(c, ops); | |
335 | ||
751b1783 ACM |
336 | /* |
337 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
338 | * function: | |
339 | * | |
340 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
341 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
342 | * | |
343 | * The first is a jump to an offset inside the same function, | |
344 | * the second is to another function, i.e. that 0xa72 is an | |
345 | * offset in the cpp_named_operator2name@@base function. | |
346 | */ | |
b13bbeee KP |
347 | /* |
348 | * skip over possible up to 2 operands to get to address, e.g.: | |
349 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
350 | */ | |
351 | if (c++ != NULL) { | |
3ee2eb6d | 352 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
353 | if (!ops->target.addr) { |
354 | c = strchr(c, ','); | |
4e67b2a5 | 355 | c = validate_comma(c, ops); |
b13bbeee KP |
356 | if (c++ != NULL) |
357 | ops->target.addr = strtoull(c, NULL, 16); | |
358 | } | |
359 | } else { | |
3ee2eb6d | 360 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 361 | } |
fb29fa58 | 362 | |
751b1783 ACM |
363 | target.addr = map__objdump_2mem(map, ops->target.addr); |
364 | start = map->unmap_ip(map, sym->start), | |
365 | end = map->unmap_ip(map, sym->end); | |
366 | ||
367 | ops->target.outside = target.addr < start || target.addr > end; | |
368 | ||
369 | /* | |
370 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
371 | ||
372 | cpp_named_operator2name@@Base+0xa72 | |
373 | ||
374 | * Point to a place that is after the cpp_named_operator2name | |
375 | * boundaries, i.e. in the ELF symbol table for cc1 | |
376 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
377 | * fact is much larger than that, so we seem to need a symbols__find() | |
378 | * routine that looks for >= current->start and < next_symbol->start, | |
379 | * possibly just for C++ objects? | |
380 | * | |
381 | * For now lets just make some progress by marking jumps to outside the | |
382 | * current function as call like. | |
383 | * | |
384 | * Actual navigation will come next, with further understanding of how | |
385 | * the symbol searching and disassembly should be done. | |
e4cc91b8 | 386 | */ |
751b1783 ACM |
387 | if (map_groups__find_ams(&target) == 0 && |
388 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
389 | ops->target.sym = target.sym; | |
751b1783 | 390 | |
980b68ec ACM |
391 | if (!ops->target.outside) { |
392 | ops->target.offset = target.addr - start; | |
e216874c RB |
393 | ops->target.offset_avail = true; |
394 | } else { | |
395 | ops->target.offset_avail = false; | |
396 | } | |
4f9d0325 | 397 | |
4f9d0325 ACM |
398 | return 0; |
399 | } | |
400 | ||
c7e6ead7 | 401 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 402 | struct ins_operands *ops, int max_ins_name) |
28548d78 | 403 | { |
c448234c | 404 | const char *c; |
b13bbeee | 405 | |
e216874c | 406 | if (!ops->target.addr || ops->target.offset < 0) |
bc3bb795 | 407 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
bec60e50 | 408 | |
e4cc91b8 | 409 | if (ops->target.outside && ops->target.sym != NULL) |
bc3bb795 | 410 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); |
e4cc91b8 | 411 | |
c448234c | 412 | c = strchr(ops->raw, ','); |
4e67b2a5 KP |
413 | c = validate_comma(c, ops); |
414 | ||
b13bbeee KP |
415 | if (c != NULL) { |
416 | const char *c2 = strchr(c + 1, ','); | |
417 | ||
4e67b2a5 | 418 | c2 = validate_comma(c2, ops); |
b13bbeee KP |
419 | /* check for 3-op insn */ |
420 | if (c2 != NULL) | |
421 | c = c2; | |
422 | c++; | |
423 | ||
424 | /* mirror arch objdump's space-after-comma style */ | |
425 | if (*c == ' ') | |
426 | c++; | |
427 | } | |
428 | ||
bc3bb795 | 429 | return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name, |
b13bbeee KP |
430 | ins->name, c ? c - ops->raw : 0, ops->raw, |
431 | ops->target.offset); | |
28548d78 ACM |
432 | } |
433 | ||
4f9d0325 | 434 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
435 | .parse = jump__parse, |
436 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
437 | }; |
438 | ||
439 | bool ins__is_jump(const struct ins *ins) | |
440 | { | |
441 | return ins->ops == &jump_ops; | |
442 | } | |
443 | ||
6de783b6 ACM |
444 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
445 | { | |
446 | char *endptr, *name, *t; | |
447 | ||
448 | if (strstr(raw, "(%rip)") == NULL) | |
449 | return 0; | |
450 | ||
451 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
452 | if (endptr == comment) |
453 | return 0; | |
6de783b6 ACM |
454 | name = strchr(endptr, '<'); |
455 | if (name == NULL) | |
456 | return -1; | |
457 | ||
458 | name++; | |
459 | ||
460 | t = strchr(name, '>'); | |
461 | if (t == NULL) | |
462 | return 0; | |
463 | ||
464 | *t = '\0'; | |
465 | *namep = strdup(name); | |
466 | *t = '>'; | |
467 | ||
468 | return 0; | |
469 | } | |
470 | ||
85a84e4f | 471 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 472 | { |
7a997fe4 ACM |
473 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
474 | if (ops->locked.ops == NULL) | |
475 | return 0; | |
476 | ||
75b49202 | 477 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
478 | goto out_free_ops; |
479 | ||
75b49202 | 480 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 481 | |
75b49202 | 482 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 483 | goto out_free_ops; |
7a997fe4 | 484 | |
75b49202 | 485 | if (ops->locked.ins.ops->parse && |
85a84e4f | 486 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 487 | goto out_free_ops; |
7a997fe4 ACM |
488 | |
489 | return 0; | |
490 | ||
491 | out_free_ops: | |
04662523 | 492 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
493 | return 0; |
494 | } | |
495 | ||
496 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 497 | struct ins_operands *ops, int max_ins_name) |
7a997fe4 ACM |
498 | { |
499 | int printed; | |
500 | ||
75b49202 | 501 | if (ops->locked.ins.ops == NULL) |
bc3bb795 | 502 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
7a997fe4 | 503 | |
bc3bb795 | 504 | printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name); |
75b49202 | 505 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
bc3bb795 | 506 | size - printed, ops->locked.ops, max_ins_name); |
7a997fe4 ACM |
507 | } |
508 | ||
c46219ac ACM |
509 | static void lock__delete(struct ins_operands *ops) |
510 | { | |
75b49202 | 511 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 512 | |
75b49202 | 513 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
514 | ins->ops->free(ops->locked.ops); |
515 | else | |
516 | ins__delete(ops->locked.ops); | |
517 | ||
74cf249d ACM |
518 | zfree(&ops->locked.ops); |
519 | zfree(&ops->target.raw); | |
520 | zfree(&ops->target.name); | |
c46219ac ACM |
521 | } |
522 | ||
7a997fe4 | 523 | static struct ins_ops lock_ops = { |
c46219ac | 524 | .free = lock__delete, |
7a997fe4 ACM |
525 | .parse = lock__parse, |
526 | .scnprintf = lock__scnprintf, | |
527 | }; | |
528 | ||
85a84e4f | 529 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
530 | { |
531 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
532 | ||
533 | if (s == NULL) | |
534 | return -1; | |
535 | ||
536 | *s = '\0'; | |
537 | ops->source.raw = strdup(ops->raw); | |
538 | *s = ','; | |
48000a1a | 539 | |
6de783b6 ACM |
540 | if (ops->source.raw == NULL) |
541 | return -1; | |
542 | ||
543 | target = ++s; | |
786c1b51 | 544 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
545 | |
546 | if (comment != NULL) | |
547 | s = comment - 1; | |
548 | else | |
549 | s = strchr(s, '\0') - 1; | |
6de783b6 | 550 | |
1e2bb043 AC |
551 | while (s > target && isspace(s[0])) |
552 | --s; | |
553 | s++; | |
6de783b6 ACM |
554 | prev = *s; |
555 | *s = '\0'; | |
556 | ||
557 | ops->target.raw = strdup(target); | |
558 | *s = prev; | |
559 | ||
560 | if (ops->target.raw == NULL) | |
561 | goto out_free_source; | |
562 | ||
6de783b6 ACM |
563 | if (comment == NULL) |
564 | return 0; | |
565 | ||
32858480 | 566 | comment = skip_spaces(comment); |
35a8a148 TR |
567 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
568 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
569 | |
570 | return 0; | |
571 | ||
572 | out_free_source: | |
04662523 | 573 | zfree(&ops->source.raw); |
6de783b6 ACM |
574 | return -1; |
575 | } | |
576 | ||
577 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 578 | struct ins_operands *ops, int max_ins_name) |
6de783b6 | 579 | { |
bc3bb795 | 580 | return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name, |
6de783b6 ACM |
581 | ops->source.name ?: ops->source.raw, |
582 | ops->target.name ?: ops->target.raw); | |
583 | } | |
584 | ||
585 | static struct ins_ops mov_ops = { | |
586 | .parse = mov__parse, | |
587 | .scnprintf = mov__scnprintf, | |
588 | }; | |
589 | ||
85a84e4f | 590 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
591 | { |
592 | char *target, *comment, *s, prev; | |
593 | ||
594 | target = s = ops->raw; | |
595 | ||
596 | while (s[0] != '\0' && !isspace(s[0])) | |
597 | ++s; | |
598 | prev = *s; | |
599 | *s = '\0'; | |
600 | ||
601 | ops->target.raw = strdup(target); | |
602 | *s = prev; | |
603 | ||
604 | if (ops->target.raw == NULL) | |
605 | return -1; | |
606 | ||
859afa6c | 607 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
608 | if (comment == NULL) |
609 | return 0; | |
610 | ||
32858480 | 611 | comment = skip_spaces(comment); |
35a8a148 | 612 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
613 | |
614 | return 0; | |
615 | } | |
616 | ||
617 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 618 | struct ins_operands *ops, int max_ins_name) |
a43712c4 | 619 | { |
bc3bb795 | 620 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, |
a43712c4 ACM |
621 | ops->target.name ?: ops->target.raw); |
622 | } | |
623 | ||
624 | static struct ins_ops dec_ops = { | |
625 | .parse = dec__parse, | |
626 | .scnprintf = dec__scnprintf, | |
627 | }; | |
628 | ||
1d037ca1 | 629 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
bc3bb795 | 630 | struct ins_operands *ops __maybe_unused, int max_ins_name) |
b9818e93 | 631 | { |
bc3bb795 | 632 | return scnprintf(bf, size, "%-*s", max_ins_name, "nop"); |
b9818e93 ACM |
633 | } |
634 | ||
635 | static struct ins_ops nop_ops = { | |
636 | .scnprintf = nop__scnprintf, | |
637 | }; | |
638 | ||
6ef94929 NR |
639 | static struct ins_ops ret_ops = { |
640 | .scnprintf = ins__raw_scnprintf, | |
641 | }; | |
642 | ||
643 | bool ins__is_ret(const struct ins *ins) | |
644 | { | |
645 | return ins->ops == &ret_ops; | |
646 | } | |
647 | ||
7e63a13a JY |
648 | bool ins__is_lock(const struct ins *ins) |
649 | { | |
650 | return ins->ops == &lock_ops; | |
651 | } | |
652 | ||
7e4c1498 | 653 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
654 | { |
655 | const struct ins *ins = insp; | |
656 | ||
657 | return strcmp(name, ins->name); | |
658 | } | |
659 | ||
7e4c1498 CR |
660 | static int ins__cmp(const void *a, const void *b) |
661 | { | |
662 | const struct ins *ia = a; | |
663 | const struct ins *ib = b; | |
664 | ||
665 | return strcmp(ia->name, ib->name); | |
666 | } | |
667 | ||
763d8960 | 668 | static void ins__sort(struct arch *arch) |
7e4c1498 | 669 | { |
763d8960 | 670 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 671 | |
763d8960 | 672 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
673 | } |
674 | ||
2a1ff812 | 675 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 676 | { |
75b49202 | 677 | struct ins *ins; |
763d8960 | 678 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 679 | |
763d8960 ACM |
680 | if (!arch->sorted_instructions) { |
681 | ins__sort(arch); | |
682 | arch->sorted_instructions = true; | |
7e4c1498 | 683 | } |
4f9d0325 | 684 | |
75b49202 ACM |
685 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
686 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
687 | } |
688 | ||
2a1ff812 ACM |
689 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
690 | { | |
691 | struct ins_ops *ops = __ins__find(arch, name); | |
692 | ||
693 | if (!ops && arch->associate_instruction_ops) | |
694 | ops = arch->associate_instruction_ops(arch, name); | |
695 | ||
696 | return ops; | |
697 | } | |
698 | ||
786c1b51 ACM |
699 | static int arch__key_cmp(const void *name, const void *archp) |
700 | { | |
701 | const struct arch *arch = archp; | |
702 | ||
703 | return strcmp(name, arch->name); | |
704 | } | |
705 | ||
706 | static int arch__cmp(const void *a, const void *b) | |
707 | { | |
708 | const struct arch *aa = a; | |
709 | const struct arch *ab = b; | |
710 | ||
711 | return strcmp(aa->name, ab->name); | |
712 | } | |
713 | ||
714 | static void arch__sort(void) | |
715 | { | |
716 | const int nmemb = ARRAY_SIZE(architectures); | |
717 | ||
718 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
719 | } | |
720 | ||
721 | static struct arch *arch__find(const char *name) | |
722 | { | |
723 | const int nmemb = ARRAY_SIZE(architectures); | |
724 | static bool sorted; | |
725 | ||
726 | if (!sorted) { | |
727 | arch__sort(); | |
728 | sorted = true; | |
729 | } | |
730 | ||
731 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
732 | } | |
733 | ||
ca396503 ACM |
734 | static struct annotated_source *annotated_source__new(void) |
735 | { | |
736 | struct annotated_source *src = zalloc(sizeof(*src)); | |
737 | ||
738 | if (src != NULL) | |
739 | INIT_LIST_HEAD(&src->source); | |
740 | ||
741 | return src; | |
742 | } | |
743 | ||
14c8dde1 | 744 | static __maybe_unused void annotated_source__delete(struct annotated_source *src) |
ca396503 ACM |
745 | { |
746 | if (src == NULL) | |
747 | return; | |
748 | zfree(&src->histograms); | |
749 | zfree(&src->cycles_hist); | |
750 | free(src); | |
751 | } | |
752 | ||
be3e26d9 ACM |
753 | static int annotated_source__alloc_histograms(struct annotated_source *src, |
754 | size_t size, int nr_hists) | |
ce6f4fab | 755 | { |
8696329b CS |
756 | size_t sizeof_sym_hist; |
757 | ||
331c7cb3 RB |
758 | /* |
759 | * Add buffer of one element for zero length symbol. | |
760 | * When sample is taken from first instruction of | |
761 | * zero length symbol, perf still resolves it and | |
762 | * shows symbol name in perf report and allows to | |
763 | * annotate it. | |
764 | */ | |
765 | if (size == 0) | |
766 | size = 1; | |
767 | ||
8696329b | 768 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 769 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
770 | return -1; |
771 | ||
896bccd3 | 772 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
773 | |
774 | /* Check for overflow in zalloc argument */ | |
be3e26d9 | 775 | if (sizeof_sym_hist > SIZE_MAX / nr_hists) |
8696329b | 776 | return -1; |
ce6f4fab | 777 | |
be3e26d9 ACM |
778 | src->sizeof_sym_hist = sizeof_sym_hist; |
779 | src->nr_histograms = nr_hists; | |
780 | src->histograms = calloc(nr_hists, sizeof_sym_hist) ; | |
781 | return src->histograms ? 0 : -1; | |
782 | } | |
783 | ||
d4957633 AK |
784 | /* The cycles histogram is lazily allocated. */ |
785 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
786 | { | |
787 | struct annotation *notes = symbol__annotation(sym); | |
788 | const size_t size = symbol__size(sym); | |
789 | ||
790 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
791 | if (notes->src->cycles_hist == NULL) | |
792 | return -1; | |
793 | return 0; | |
794 | } | |
795 | ||
36532461 ACM |
796 | void symbol__annotate_zero_histograms(struct symbol *sym) |
797 | { | |
798 | struct annotation *notes = symbol__annotation(sym); | |
799 | ||
ce6f4fab | 800 | pthread_mutex_lock(¬es->lock); |
d4957633 | 801 | if (notes->src != NULL) { |
ce6f4fab ACM |
802 | memset(notes->src->histograms, 0, |
803 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
804 | if (notes->src->cycles_hist) |
805 | memset(notes->src->cycles_hist, 0, | |
806 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
807 | } | |
ce6f4fab | 808 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
809 | } |
810 | ||
f40dd6d1 | 811 | static int __symbol__account_cycles(struct cyc_hist *ch, |
d4957633 AK |
812 | u64 start, |
813 | unsigned offset, unsigned cycles, | |
814 | unsigned have_start) | |
815 | { | |
d4957633 AK |
816 | /* |
817 | * For now we can only account one basic block per | |
818 | * final jump. But multiple could be overlapping. | |
819 | * Always account the longest one. So when | |
820 | * a shorter one has been already seen throw it away. | |
821 | * | |
822 | * We separately always account the full cycles. | |
823 | */ | |
824 | ch[offset].num_aggr++; | |
825 | ch[offset].cycles_aggr += cycles; | |
826 | ||
48659ebf JY |
827 | if (cycles > ch[offset].cycles_max) |
828 | ch[offset].cycles_max = cycles; | |
829 | ||
830 | if (ch[offset].cycles_min) { | |
831 | if (cycles && cycles < ch[offset].cycles_min) | |
832 | ch[offset].cycles_min = cycles; | |
833 | } else | |
834 | ch[offset].cycles_min = cycles; | |
835 | ||
d4957633 AK |
836 | if (!have_start && ch[offset].have_start) |
837 | return 0; | |
838 | if (ch[offset].num) { | |
839 | if (have_start && (!ch[offset].have_start || | |
840 | ch[offset].start > start)) { | |
841 | ch[offset].have_start = 0; | |
842 | ch[offset].cycles = 0; | |
843 | ch[offset].num = 0; | |
844 | if (ch[offset].reset < 0xffff) | |
845 | ch[offset].reset++; | |
846 | } else if (have_start && | |
847 | ch[offset].start < start) | |
848 | return 0; | |
849 | } | |
850 | ch[offset].have_start = have_start; | |
851 | ch[offset].start = start; | |
852 | ch[offset].cycles += cycles; | |
853 | ch[offset].num++; | |
854 | return 0; | |
855 | } | |
856 | ||
b66d8c0c | 857 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e1a91a83 | 858 | struct annotated_source *src, int evidx, u64 addr, |
461c17f0 | 859 | struct perf_sample *sample) |
78f7defe | 860 | { |
2f525d01 | 861 | unsigned offset; |
78f7defe ACM |
862 | struct sym_hist *h; |
863 | ||
78f7defe ACM |
864 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
865 | ||
edee44be RB |
866 | if ((addr < sym->start || addr >= sym->end) && |
867 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
868 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
869 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 870 | return -ERANGE; |
e3d006ce | 871 | } |
78f7defe | 872 | |
2f525d01 | 873 | offset = addr - sym->start; |
e1a91a83 | 874 | h = annotated_source__histogram(src, evidx); |
8d628d26 ACM |
875 | if (h == NULL) { |
876 | pr_debug("%s(%d): ENOMEM! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 ", func: %d\n", | |
877 | __func__, __LINE__, sym->name, sym->start, addr, sym->end, sym->type == STT_FUNC); | |
878 | return -ENOMEM; | |
879 | } | |
8158683d | 880 | h->nr_samples++; |
896bccd3 | 881 | h->addr[offset].nr_samples++; |
461c17f0 TS |
882 | h->period += sample->period; |
883 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
884 | |
885 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
886 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
887 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
888 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
889 | return 0; |
890 | } | |
891 | ||
c6b635ee | 892 | static struct cyc_hist *symbol__cycles_hist(struct symbol *sym) |
83be34a7 AK |
893 | { |
894 | struct annotation *notes = symbol__annotation(sym); | |
895 | ||
896 | if (notes->src == NULL) { | |
c6b635ee ACM |
897 | notes->src = annotated_source__new(); |
898 | if (notes->src == NULL) | |
83be34a7 | 899 | return NULL; |
c6b635ee | 900 | goto alloc_cycles_hist; |
83be34a7 | 901 | } |
c6b635ee ACM |
902 | |
903 | if (!notes->src->cycles_hist) { | |
904 | alloc_cycles_hist: | |
905 | symbol__alloc_hist_cycles(sym); | |
d4957633 | 906 | } |
c6b635ee ACM |
907 | |
908 | return notes->src->cycles_hist; | |
83be34a7 AK |
909 | } |
910 | ||
14c8dde1 | 911 | struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists) |
e8ea922a ACM |
912 | { |
913 | struct annotation *notes = symbol__annotation(sym); | |
914 | ||
915 | if (notes->src == NULL) { | |
916 | notes->src = annotated_source__new(); | |
917 | if (notes->src == NULL) | |
918 | return NULL; | |
919 | goto alloc_histograms; | |
920 | } | |
921 | ||
922 | if (notes->src->histograms == NULL) { | |
923 | alloc_histograms: | |
924 | annotated_source__alloc_histograms(notes->src, symbol__size(sym), | |
0693f758 | 925 | nr_hists); |
e8ea922a ACM |
926 | } |
927 | ||
928 | return notes->src; | |
929 | } | |
930 | ||
44e83039 | 931 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
32dcd021 | 932 | struct evsel *evsel, u64 addr, |
bab89f6a | 933 | struct perf_sample *sample) |
b66d8c0c | 934 | { |
e8ea922a | 935 | struct annotated_source *src; |
b66d8c0c | 936 | |
48c65bda | 937 | if (sym == NULL) |
b66d8c0c | 938 | return 0; |
6484d2f9 | 939 | src = symbol__hists(sym, evsel->evlist->core.nr_entries); |
8a07aa4e TR |
940 | return (src) ? __symbol__inc_addr_samples(sym, map, src, evsel->idx, |
941 | addr, sample) : 0; | |
b66d8c0c ACM |
942 | } |
943 | ||
d4957633 AK |
944 | static int symbol__account_cycles(u64 addr, u64 start, |
945 | struct symbol *sym, unsigned cycles) | |
946 | { | |
c6b635ee | 947 | struct cyc_hist *cycles_hist; |
d4957633 AK |
948 | unsigned offset; |
949 | ||
950 | if (sym == NULL) | |
951 | return 0; | |
c6b635ee ACM |
952 | cycles_hist = symbol__cycles_hist(sym); |
953 | if (cycles_hist == NULL) | |
d4957633 AK |
954 | return -ENOMEM; |
955 | if (addr < sym->start || addr >= sym->end) | |
956 | return -ERANGE; | |
957 | ||
958 | if (start) { | |
959 | if (start < sym->start || start >= sym->end) | |
960 | return -ERANGE; | |
961 | if (start >= addr) | |
962 | start = 0; | |
963 | } | |
964 | offset = addr - sym->start; | |
c6b635ee | 965 | return __symbol__account_cycles(cycles_hist, |
d4957633 AK |
966 | start ? start - sym->start : 0, |
967 | offset, cycles, | |
968 | !!start); | |
969 | } | |
970 | ||
971 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
972 | struct addr_map_symbol *start, | |
973 | unsigned cycles) | |
974 | { | |
3d7245b0 | 975 | u64 saddr = 0; |
d4957633 AK |
976 | int err; |
977 | ||
978 | if (!cycles) | |
979 | return 0; | |
980 | ||
981 | /* | |
982 | * Only set start when IPC can be computed. We can only | |
983 | * compute it when the basic block is completely in a single | |
984 | * function. | |
985 | * Special case the case when the jump is elsewhere, but | |
986 | * it starts on the function start. | |
987 | */ | |
988 | if (start && | |
989 | (start->sym == ams->sym || | |
990 | (ams->sym && | |
991 | start->addr == ams->sym->start + ams->map->start))) | |
992 | saddr = start->al_addr; | |
993 | if (saddr == 0) | |
3d7245b0 | 994 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
995 | ams->addr, |
996 | start ? start->addr : 0, | |
997 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
998 | saddr); | |
999 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
1000 | if (err) | |
1001 | pr_debug2("account_cycles failed %d\n", err); | |
1002 | return err; | |
1003 | } | |
1004 | ||
f56c083b ACM |
1005 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
1006 | { | |
1007 | unsigned n_insn = 0; | |
1008 | u64 offset; | |
1009 | ||
1010 | for (offset = start; offset <= end; offset++) { | |
1011 | if (notes->offsets[offset]) | |
1012 | n_insn++; | |
1013 | } | |
1014 | return n_insn; | |
1015 | } | |
1016 | ||
1017 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
1018 | { | |
1019 | unsigned n_insn; | |
ace4f8fa | 1020 | unsigned int cover_insn = 0; |
f56c083b ACM |
1021 | u64 offset; |
1022 | ||
1023 | n_insn = annotation__count_insn(notes, start, end); | |
1024 | if (n_insn && ch->num && ch->cycles) { | |
1025 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
1026 | ||
1027 | /* Hide data when there are too many overlaps. */ | |
bdd1666b | 1028 | if (ch->reset >= 0x7fff) |
f56c083b ACM |
1029 | return; |
1030 | ||
1031 | for (offset = start; offset <= end; offset++) { | |
1032 | struct annotation_line *al = notes->offsets[offset]; | |
1033 | ||
ace4f8fa | 1034 | if (al && al->ipc == 0.0) { |
f56c083b | 1035 | al->ipc = ipc; |
ace4f8fa JY |
1036 | cover_insn++; |
1037 | } | |
1038 | } | |
1039 | ||
1040 | if (cover_insn) { | |
1041 | notes->hit_cycles += ch->cycles; | |
1042 | notes->hit_insn += n_insn * ch->num; | |
1043 | notes->cover_insn += cover_insn; | |
f56c083b ACM |
1044 | } |
1045 | } | |
1046 | } | |
1047 | ||
1048 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
1049 | { | |
ace4f8fa | 1050 | s64 offset; |
f56c083b ACM |
1051 | |
1052 | if (!notes->src || !notes->src->cycles_hist) | |
1053 | return; | |
1054 | ||
ace4f8fa JY |
1055 | notes->total_insn = annotation__count_insn(notes, 0, size - 1); |
1056 | notes->hit_cycles = 0; | |
1057 | notes->hit_insn = 0; | |
1058 | notes->cover_insn = 0; | |
1059 | ||
f56c083b | 1060 | pthread_mutex_lock(¬es->lock); |
ace4f8fa | 1061 | for (offset = size - 1; offset >= 0; --offset) { |
f56c083b ACM |
1062 | struct cyc_hist *ch; |
1063 | ||
1064 | ch = ¬es->src->cycles_hist[offset]; | |
1065 | if (ch && ch->cycles) { | |
1066 | struct annotation_line *al; | |
1067 | ||
1068 | if (ch->have_start) | |
1069 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
1070 | al = notes->offsets[offset]; | |
48659ebf | 1071 | if (al && ch->num_aggr) { |
f56c083b | 1072 | al->cycles = ch->cycles_aggr / ch->num_aggr; |
48659ebf JY |
1073 | al->cycles_max = ch->cycles_max; |
1074 | al->cycles_min = ch->cycles_min; | |
1075 | } | |
f56c083b ACM |
1076 | notes->have_cycles = true; |
1077 | } | |
1078 | } | |
1079 | pthread_mutex_unlock(¬es->lock); | |
1080 | } | |
1081 | ||
bab89f6a | 1082 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
32dcd021 | 1083 | struct evsel *evsel) |
0f4e7a24 | 1084 | { |
e345f3bd | 1085 | return symbol__inc_addr_samples(ams->sym, ams->map, evsel, ams->al_addr, sample); |
0f4e7a24 ACM |
1086 | } |
1087 | ||
bab89f6a | 1088 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
32dcd021 | 1089 | struct evsel *evsel, u64 ip) |
f626adff | 1090 | { |
e345f3bd | 1091 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evsel, ip, sample); |
f626adff ACM |
1092 | } |
1093 | ||
85a84e4f | 1094 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 1095 | { |
75b49202 | 1096 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 1097 | |
75b49202 | 1098 | if (!dl->ins.ops) |
4f9d0325 ACM |
1099 | return; |
1100 | ||
85a84e4f | 1101 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 1102 | dl->ins.ops = NULL; |
4f9d0325 ACM |
1103 | } |
1104 | ||
75b49202 | 1105 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 1106 | { |
32858480 | 1107 | char tmp, *name = skip_spaces(line); |
7a997fe4 ACM |
1108 | |
1109 | if (name[0] == '\0') | |
1110 | return -1; | |
1111 | ||
1112 | *rawp = name + 1; | |
1113 | ||
1114 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
1115 | ++*rawp; | |
1116 | ||
1117 | tmp = (*rawp)[0]; | |
1118 | (*rawp)[0] = '\0'; | |
1119 | *namep = strdup(name); | |
1120 | ||
1121 | if (*namep == NULL) | |
600c787d | 1122 | goto out; |
7a997fe4 ACM |
1123 | |
1124 | (*rawp)[0] = tmp; | |
32858480 | 1125 | *rawp = skip_spaces(*rawp); |
7a997fe4 ACM |
1126 | |
1127 | return 0; | |
1128 | ||
600c787d | 1129 | out: |
7a997fe4 ACM |
1130 | return -1; |
1131 | } | |
1132 | ||
ea07c5aa JO |
1133 | struct annotate_args { |
1134 | size_t privsize; | |
24fe7b88 | 1135 | struct arch *arch; |
85a84e4f | 1136 | struct map_symbol ms; |
32dcd021 | 1137 | struct evsel *evsel; |
380195e2 | 1138 | struct annotation_options *options; |
4748834f JO |
1139 | s64 offset; |
1140 | char *line; | |
1141 | int line_nr; | |
ea07c5aa JO |
1142 | }; |
1143 | ||
c835e191 JO |
1144 | static void annotation_line__delete(struct annotation_line *al) |
1145 | { | |
1146 | void *ptr = (void *) al - al->privsize; | |
1147 | ||
8b4c74dc | 1148 | free_srcline(al->path); |
c835e191 JO |
1149 | zfree(&al->line); |
1150 | free(ptr); | |
1151 | } | |
1152 | ||
1153 | /* | |
1154 | * Allocating the annotation line data with following | |
1155 | * structure: | |
1156 | * | |
1157 | * -------------------------------------- | |
1158 | * private space | struct annotation_line | |
1159 | * -------------------------------------- | |
1160 | * | |
1161 | * Size of the private space is stored in 'struct annotation_line'. | |
1162 | * | |
1163 | */ | |
1164 | static struct annotation_line * | |
1165 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1166 | { | |
1167 | struct annotation_line *al; | |
32dcd021 | 1168 | struct evsel *evsel = args->evsel; |
c835e191 | 1169 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1170 | int nr = 1; |
1171 | ||
1172 | if (perf_evsel__is_group_event(evsel)) | |
1173 | nr = evsel->nr_members; | |
1174 | ||
c2f938ba | 1175 | size += sizeof(al->data[0]) * nr; |
c835e191 JO |
1176 | |
1177 | al = zalloc(size); | |
1178 | if (al) { | |
1179 | al = (void *) al + privsize; | |
1180 | al->privsize = privsize; | |
1181 | al->offset = args->offset; | |
1182 | al->line = strdup(args->line); | |
1183 | al->line_nr = args->line_nr; | |
c2f938ba | 1184 | al->data_nr = nr; |
c835e191 JO |
1185 | } |
1186 | ||
1187 | return al; | |
1188 | } | |
1189 | ||
1190 | /* | |
1191 | * Allocating the disasm annotation line data with | |
1192 | * following structure: | |
1193 | * | |
1194 | * ------------------------------------------------------------ | |
1195 | * privsize space | struct disasm_line | struct annotation_line | |
1196 | * ------------------------------------------------------------ | |
1197 | * | |
1198 | * We have 'struct annotation_line' member as last member | |
1199 | * of 'struct disasm_line' to have an easy access. | |
1200 | * | |
1201 | */ | |
4748834f | 1202 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1203 | { |
c835e191 JO |
1204 | struct disasm_line *dl = NULL; |
1205 | struct annotation_line *al; | |
1206 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1207 | |
c835e191 JO |
1208 | al = annotation_line__new(args, privsize); |
1209 | if (al != NULL) { | |
1210 | dl = disasm_line(al); | |
d5490b96 JO |
1211 | |
1212 | if (dl->al.line == NULL) | |
058b4cc9 | 1213 | goto out_delete; |
5145418b | 1214 | |
4748834f | 1215 | if (args->offset != -1) { |
d5490b96 | 1216 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1217 | goto out_free_line; |
1218 | ||
85a84e4f | 1219 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1220 | } |
78f7defe ACM |
1221 | } |
1222 | ||
29ed6e76 | 1223 | return dl; |
5145418b ACM |
1224 | |
1225 | out_free_line: | |
d5490b96 | 1226 | zfree(&dl->al.line); |
058b4cc9 | 1227 | out_delete: |
29ed6e76 | 1228 | free(dl); |
058b4cc9 | 1229 | return NULL; |
78f7defe ACM |
1230 | } |
1231 | ||
29ed6e76 | 1232 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1233 | { |
75b49202 ACM |
1234 | if (dl->ins.ops && dl->ins.ops->free) |
1235 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1236 | else |
1237 | ins__delete(&dl->ops); | |
d8f9da24 | 1238 | zfree(&dl->ins.name); |
c835e191 | 1239 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1240 | } |
1241 | ||
bc3bb795 | 1242 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name) |
5417072b | 1243 | { |
75b49202 | 1244 | if (raw || !dl->ins.ops) |
bc3bb795 | 1245 | return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw); |
5417072b | 1246 | |
bc3bb795 | 1247 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name); |
5417072b ACM |
1248 | } |
1249 | ||
82b9d7ff | 1250 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1251 | { |
82b9d7ff | 1252 | list_add_tail(&al->node, head); |
78f7defe ACM |
1253 | } |
1254 | ||
c4c72436 JO |
1255 | struct annotation_line * |
1256 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1257 | { |
c4c72436 JO |
1258 | list_for_each_entry_continue(pos, head, node) |
1259 | if (pos->offset >= 0) | |
78f7defe ACM |
1260 | return pos; |
1261 | ||
1262 | return NULL; | |
1263 | } | |
1264 | ||
70fbe057 PZ |
1265 | static const char *annotate__address_color(struct block_range *br) |
1266 | { | |
1267 | double cov = block_range__coverage(br); | |
1268 | ||
1269 | if (cov >= 0) { | |
1270 | /* mark red for >75% coverage */ | |
1271 | if (cov > 0.75) | |
1272 | return PERF_COLOR_RED; | |
1273 | ||
1274 | /* mark dull for <1% coverage */ | |
1275 | if (cov < 0.01) | |
1276 | return PERF_COLOR_NORMAL; | |
1277 | } | |
1278 | ||
1279 | return PERF_COLOR_MAGENTA; | |
1280 | } | |
1281 | ||
1282 | static const char *annotate__asm_color(struct block_range *br) | |
1283 | { | |
1284 | double cov = block_range__coverage(br); | |
1285 | ||
1286 | if (cov >= 0) { | |
1287 | /* mark dull for <1% coverage */ | |
1288 | if (cov < 0.01) | |
1289 | return PERF_COLOR_NORMAL; | |
1290 | } | |
1291 | ||
1292 | return PERF_COLOR_BLUE; | |
1293 | } | |
1294 | ||
1295 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1296 | { | |
1297 | bool emit_comment = true; | |
1298 | ||
1299 | if (!br) | |
1300 | return; | |
1301 | ||
1302 | #if 1 | |
1303 | if (br->is_target && br->start == addr) { | |
1304 | struct block_range *branch = br; | |
1305 | double p; | |
1306 | ||
1307 | /* | |
1308 | * Find matching branch to our target. | |
1309 | */ | |
1310 | while (!branch->is_branch) | |
1311 | branch = block_range__next(branch); | |
1312 | ||
1313 | p = 100 *(double)br->entry / branch->coverage; | |
1314 | ||
1315 | if (p > 0.1) { | |
1316 | if (emit_comment) { | |
1317 | emit_comment = false; | |
1318 | printf("\t#"); | |
1319 | } | |
1320 | ||
1321 | /* | |
1322 | * The percentage of coverage joined at this target in relation | |
1323 | * to the next branch. | |
1324 | */ | |
1325 | printf(" +%.2f%%", p); | |
1326 | } | |
1327 | } | |
1328 | #endif | |
1329 | if (br->is_branch && br->end == addr) { | |
1330 | double p = 100*(double)br->taken / br->coverage; | |
1331 | ||
1332 | if (p > 0.1) { | |
1333 | if (emit_comment) { | |
1334 | emit_comment = false; | |
1335 | printf("\t#"); | |
1336 | } | |
1337 | ||
1338 | /* | |
1339 | * The percentage of coverage leaving at this branch, and | |
1340 | * its prediction ratio. | |
1341 | */ | |
1342 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1343 | } | |
1344 | } | |
1345 | } | |
1346 | ||
f48e7c40 | 1347 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1348 | { |
29971f9a JO |
1349 | s64 offset = dl->al.offset; |
1350 | const u64 addr = start + offset; | |
1351 | struct block_range *br; | |
1352 | ||
1353 | br = block_range__find(addr); | |
f48e7c40 | 1354 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1355 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1356 | annotate__branch_printf(br, addr); | |
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | static int | |
1361 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
32dcd021 | 1362 | struct evsel *evsel, u64 len, int min_pcnt, int printed, |
796ca33d JO |
1363 | int max_lines, struct annotation_line *queue, int addr_fmt_width, |
1364 | int percent_type) | |
29971f9a JO |
1365 | { |
1366 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1367 | static const char *prev_line; |
1368 | static const char *prev_color; | |
1369 | ||
29971f9a | 1370 | if (al->offset != -1) { |
f681d593 | 1371 | double max_percent = 0.0; |
b1dd4432 | 1372 | int i, nr_percent = 1; |
78f7defe ACM |
1373 | const char *color; |
1374 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1375 | |
c2f938ba | 1376 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d JO |
1377 | double percent; |
1378 | ||
1379 | percent = annotation_data__percent(&al->data[i], | |
796ca33d | 1380 | percent_type); |
78f7defe | 1381 | |
6d9f0c2d JO |
1382 | if (percent > max_percent) |
1383 | max_percent = percent; | |
b1dd4432 NK |
1384 | } |
1385 | ||
c2f938ba JO |
1386 | if (al->data_nr > nr_percent) |
1387 | nr_percent = al->data_nr; | |
04d2600a | 1388 | |
b1dd4432 | 1389 | if (max_percent < min_pcnt) |
36532461 ACM |
1390 | return -1; |
1391 | ||
e3087b80 | 1392 | if (max_lines && printed >= max_lines) |
36532461 | 1393 | return 1; |
d040bd36 | 1394 | |
d5e3d747 | 1395 | if (queue != NULL) { |
29971f9a JO |
1396 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1397 | if (queue == al) | |
d5e3d747 | 1398 | break; |
29971f9a | 1399 | annotation_line__print(queue, sym, start, evsel, len, |
796ca33d JO |
1400 | 0, 0, 1, NULL, addr_fmt_width, |
1401 | percent_type); | |
d5e3d747 ACM |
1402 | } |
1403 | } | |
1404 | ||
b1dd4432 | 1405 | color = get_percent_color(max_percent); |
78f7defe ACM |
1406 | |
1407 | /* | |
1408 | * Also color the filename and line if needed, with | |
1409 | * the same color than the percentage. Don't print it | |
1410 | * twice for close colored addr with the same filename:line | |
1411 | */ | |
29971f9a JO |
1412 | if (al->path) { |
1413 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1414 | || color != prev_color) { |
29971f9a JO |
1415 | color_fprintf(stdout, color, " %s", al->path); |
1416 | prev_line = al->path; | |
78f7defe ACM |
1417 | prev_color = color; |
1418 | } | |
1419 | } | |
1420 | ||
b1dd4432 | 1421 | for (i = 0; i < nr_percent; i++) { |
0440af74 | 1422 | struct annotation_data *data = &al->data[i]; |
6d9f0c2d | 1423 | double percent; |
f681d593 | 1424 | |
796ca33d | 1425 | percent = annotation_data__percent(data, percent_type); |
6d9f0c2d | 1426 | color = get_percent_color(percent); |
0c4a5bce ML |
1427 | |
1428 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1429 | color_fprintf(stdout, color, " %11" PRIu64, |
0440af74 | 1430 | data->he.period); |
1ac39372 TS |
1431 | else if (symbol_conf.show_nr_samples) |
1432 | color_fprintf(stdout, color, " %7" PRIu64, | |
0440af74 | 1433 | data->he.nr_samples); |
0c4a5bce | 1434 | else |
6d9f0c2d | 1435 | color_fprintf(stdout, color, " %7.2f", percent); |
b1dd4432 NK |
1436 | } |
1437 | ||
f48e7c40 | 1438 | printf(" : "); |
70fbe057 | 1439 | |
f48e7c40 | 1440 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1441 | printf("\n"); |
e3087b80 | 1442 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1443 | return 1; |
1444 | else { | |
ce9ee4a2 | 1445 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1446 | |
d5e3d747 ACM |
1447 | if (queue) |
1448 | return -1; | |
1449 | ||
759ff497 | 1450 | if (perf_evsel__is_group_event(evsel)) |
b1dd4432 NK |
1451 | width *= evsel->nr_members; |
1452 | ||
29971f9a | 1453 | if (!*al->line) |
b1dd4432 | 1454 | printf(" %*s:\n", width, " "); |
78f7defe | 1455 | else |
f48e7c40 | 1456 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1457 | } |
36532461 ACM |
1458 | |
1459 | return 0; | |
78f7defe ACM |
1460 | } |
1461 | ||
3aec150a NK |
1462 | /* |
1463 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1464 | * which looks like following | |
1465 | * | |
1466 | * 0000000000415500 <_init>: | |
1467 | * 415500: sub $0x8,%rsp | |
1468 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1469 | * 41550b: test %rax,%rax | |
1470 | * 41550e: je 415515 <_init+0x15> | |
1471 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1472 | * 415515: add $0x8,%rsp | |
1473 | * 415519: retq | |
1474 | * | |
1475 | * it will be parsed and saved into struct disasm_line as | |
1476 | * <offset> <name> <ops.raw> | |
1477 | * | |
1478 | * The offset will be a relative offset from the start of the symbol and -1 | |
1479 | * means that it's not a disassembly line so should be treated differently. | |
1480 | * The ops.raw part will be parsed further according to type of the instruction. | |
1481 | */ | |
1a04db70 | 1482 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1483 | struct annotate_args *args, |
e592488c | 1484 | int *line_nr) |
78f7defe | 1485 | { |
85a84e4f | 1486 | struct map *map = args->ms.map; |
ce6f4fab | 1487 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1488 | struct disasm_line *dl; |
4597cf06 | 1489 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1490 | size_t line_len; |
1491 | s64 line_ip, offset = -1; | |
e592488c | 1492 | regmatch_t match[2]; |
78f7defe ACM |
1493 | |
1494 | if (getline(&line, &line_len, file) < 0) | |
1495 | return -1; | |
1496 | ||
1497 | if (!line) | |
1498 | return -1; | |
1499 | ||
78f7defe | 1500 | line_ip = -1; |
13c230ab | 1501 | parsed_line = strim(line); |
78f7defe | 1502 | |
e592488c | 1503 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1504 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1505 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1506 | return 0; |
1507 | } | |
1508 | ||
32858480 | 1509 | tmp = skip_spaces(parsed_line); |
78f7defe ACM |
1510 | if (*tmp) { |
1511 | /* | |
1512 | * Parse hexa addresses followed by ':' | |
1513 | */ | |
1514 | line_ip = strtoull(tmp, &tmp2, 16); | |
1515 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1516 | line_ip = -1; | |
1517 | } | |
1518 | ||
1519 | if (line_ip != -1) { | |
1520 | u64 start = map__rip_2objdump(map, sym->start), | |
1521 | end = map__rip_2objdump(map, sym->end); | |
1522 | ||
1523 | offset = line_ip - start; | |
2c241bd3 | 1524 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1525 | offset = -1; |
058b4cc9 ACM |
1526 | else |
1527 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1528 | } |
78f7defe | 1529 | |
4748834f JO |
1530 | args->offset = offset; |
1531 | args->line = parsed_line; | |
1532 | args->line_nr = *line_nr; | |
85a84e4f | 1533 | args->ms.sym = sym; |
4748834f JO |
1534 | |
1535 | dl = disasm_line__new(args); | |
058b4cc9 | 1536 | free(line); |
e592488c | 1537 | (*line_nr)++; |
058b4cc9 | 1538 | |
29ed6e76 | 1539 | if (dl == NULL) |
78f7defe | 1540 | return -1; |
058b4cc9 | 1541 | |
2eff0611 | 1542 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1543 | dl->ops.target.offset = dl->ops.target.addr - |
1544 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1545 | dl->ops.target.offset_avail = true; |
1546 | } | |
bbb7f846 | 1547 | |
696703af ACM |
1548 | /* kcore has no symbols, so add the call target symbol */ |
1549 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1550 | struct addr_map_symbol target = { |
1551 | .map = map, | |
1552 | .addr = dl->ops.target.addr, | |
1553 | }; | |
1554 | ||
be39db9f | 1555 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1556 | target.sym->start == target.al_addr) |
696703af | 1557 | dl->ops.target.sym = target.sym; |
b178170a AH |
1558 | } |
1559 | ||
82b9d7ff | 1560 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1561 | |
1562 | return 0; | |
1563 | } | |
1564 | ||
e592488c AK |
1565 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1566 | { | |
1567 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1568 | } | |
1569 | ||
484a5e74 AH |
1570 | static void delete_last_nop(struct symbol *sym) |
1571 | { | |
1572 | struct annotation *notes = symbol__annotation(sym); | |
1573 | struct list_head *list = ¬es->src->source; | |
1574 | struct disasm_line *dl; | |
1575 | ||
1576 | while (!list_empty(list)) { | |
a17c4ca0 | 1577 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1578 | |
75b49202 ACM |
1579 | if (dl->ins.ops) { |
1580 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1581 | return; |
1582 | } else { | |
d5490b96 JO |
1583 | if (!strstr(dl->al.line, " nop ") && |
1584 | !strstr(dl->al.line, " nopl ") && | |
1585 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1586 | return; |
1587 | } | |
1588 | ||
e56fbc9d | 1589 | list_del_init(&dl->al.node); |
484a5e74 AH |
1590 | disasm_line__free(dl); |
1591 | } | |
1592 | } | |
1593 | ||
ee51d851 ACM |
1594 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1595 | int errnum, char *buf, size_t buflen) | |
1596 | { | |
1597 | struct dso *dso = map->dso; | |
1598 | ||
1599 | BUG_ON(buflen == 0); | |
1600 | ||
1601 | if (errnum >= 0) { | |
1602 | str_error_r(errnum, buf, buflen); | |
1603 | return 0; | |
1604 | } | |
1605 | ||
1606 | switch (errnum) { | |
1607 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1608 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1609 | char *build_id_msg = NULL; | |
1610 | ||
1611 | if (dso->has_build_id) { | |
1612 | build_id__sprintf(dso->build_id, | |
1613 | sizeof(dso->build_id), bf + 15); | |
1614 | build_id_msg = bf; | |
1615 | } | |
1616 | scnprintf(buf, buflen, | |
1617 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1618 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1619 | "Please use:\n\n" | |
1620 | " perf buildid-cache -vu vmlinux\n\n" | |
1621 | "or:\n\n" | |
1622 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1623 | } | |
1624 | break; | |
6987561c SL |
1625 | case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF: |
1626 | scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation"); | |
1627 | break; | |
ee51d851 ACM |
1628 | default: |
1629 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1630 | break; | |
1631 | } | |
1632 | ||
1633 | return 0; | |
1634 | } | |
1635 | ||
05ed3ac9 | 1636 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1637 | { |
05ed3ac9 ACM |
1638 | char linkname[PATH_MAX]; |
1639 | char *build_id_filename; | |
6ebd2547 | 1640 | char *build_id_path = NULL; |
3619ef76 | 1641 | char *pos; |
78f7defe | 1642 | |
c12944f7 ACM |
1643 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1644 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1645 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1646 | |
d2396999 | 1647 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1648 | if (build_id_filename) { |
1649 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1650 | free(build_id_filename); | |
3caee094 | 1651 | } else { |
ee51d851 ACM |
1652 | if (dso->has_build_id) |
1653 | return ENOMEM; | |
78f7defe | 1654 | goto fallback; |
3caee094 ACM |
1655 | } |
1656 | ||
6ebd2547 TS |
1657 | build_id_path = strdup(filename); |
1658 | if (!build_id_path) | |
1659 | return -1; | |
1660 | ||
3619ef76 NK |
1661 | /* |
1662 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1663 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1664 | * extract the build-id part of dirname in the new style only. | |
1665 | */ | |
1666 | pos = strrchr(build_id_path, '/'); | |
1667 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1668 | dirname(build_id_path); | |
6ebd2547 | 1669 | |
3caee094 | 1670 | if (dso__is_kcore(dso) || |
6ebd2547 | 1671 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1672 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1673 | access(filename, R_OK)) { | |
78f7defe ACM |
1674 | fallback: |
1675 | /* | |
1676 | * If we don't have build-ids or the build-id file isn't in the | |
1677 | * cache, or is just a kallsyms file, well, lets hope that this | |
1678 | * DSO is the same as when 'perf record' ran. | |
1679 | */ | |
05ed3ac9 | 1680 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1681 | } |
1682 | ||
6ebd2547 | 1683 | free(build_id_path); |
05ed3ac9 ACM |
1684 | return 0; |
1685 | } | |
1686 | ||
6987561c SL |
1687 | #if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) |
1688 | #define PACKAGE "perf" | |
1689 | #include <bfd.h> | |
1690 | #include <dis-asm.h> | |
1691 | ||
1692 | static int symbol__disassemble_bpf(struct symbol *sym, | |
1693 | struct annotate_args *args) | |
1694 | { | |
1695 | struct annotation *notes = symbol__annotation(sym); | |
1696 | struct annotation_options *opts = args->options; | |
1697 | struct bpf_prog_info_linear *info_linear; | |
1698 | struct bpf_prog_linfo *prog_linfo = NULL; | |
1699 | struct bpf_prog_info_node *info_node; | |
1700 | int len = sym->end - sym->start; | |
1701 | disassembler_ftype disassemble; | |
1702 | struct map *map = args->ms.map; | |
1703 | struct disassemble_info info; | |
1704 | struct dso *dso = map->dso; | |
1705 | int pc = 0, count, sub_id; | |
1706 | struct btf *btf = NULL; | |
1707 | char tpath[PATH_MAX]; | |
1708 | size_t buf_size; | |
1709 | int nr_skip = 0; | |
1710 | int ret = -1; | |
1711 | char *buf; | |
1712 | bfd *bfdf; | |
1713 | FILE *s; | |
1714 | ||
1715 | if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO) | |
1716 | return -1; | |
1717 | ||
01e985e9 TLSC |
1718 | pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__, |
1719 | sym->name, sym->start, sym->end - sym->start); | |
6987561c SL |
1720 | |
1721 | memset(tpath, 0, sizeof(tpath)); | |
1722 | perf_exe(tpath, sizeof(tpath)); | |
1723 | ||
1724 | bfdf = bfd_openr(tpath, NULL); | |
1725 | assert(bfdf); | |
1726 | assert(bfd_check_format(bfdf, bfd_object)); | |
1727 | ||
1728 | s = open_memstream(&buf, &buf_size); | |
1729 | if (!s) | |
1730 | goto out; | |
1731 | init_disassemble_info(&info, s, | |
1732 | (fprintf_ftype) fprintf); | |
1733 | ||
1734 | info.arch = bfd_get_arch(bfdf); | |
1735 | info.mach = bfd_get_mach(bfdf); | |
1736 | ||
1737 | info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env, | |
1738 | dso->bpf_prog.id); | |
1739 | if (!info_node) | |
1740 | goto out; | |
1741 | info_linear = info_node->info_linear; | |
1742 | sub_id = dso->bpf_prog.sub_id; | |
1743 | ||
01e985e9 | 1744 | info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns); |
6987561c SL |
1745 | info.buffer_length = info_linear->info.jited_prog_len; |
1746 | ||
1747 | if (info_linear->info.nr_line_info) | |
1748 | prog_linfo = bpf_prog_linfo__new(&info_linear->info); | |
1749 | ||
1750 | if (info_linear->info.btf_id) { | |
1751 | struct btf_node *node; | |
1752 | ||
1753 | node = perf_env__find_btf(dso->bpf_prog.env, | |
1754 | info_linear->info.btf_id); | |
1755 | if (node) | |
1756 | btf = btf__new((__u8 *)(node->data), | |
1757 | node->data_size); | |
1758 | } | |
1759 | ||
1760 | disassemble_init_for_target(&info); | |
1761 | ||
1762 | #ifdef DISASM_FOUR_ARGS_SIGNATURE | |
1763 | disassemble = disassembler(info.arch, | |
1764 | bfd_big_endian(bfdf), | |
1765 | info.mach, | |
1766 | bfdf); | |
1767 | #else | |
1768 | disassemble = disassembler(bfdf); | |
1769 | #endif | |
1770 | assert(disassemble); | |
1771 | ||
1772 | fflush(s); | |
1773 | do { | |
1774 | const struct bpf_line_info *linfo = NULL; | |
1775 | struct disasm_line *dl; | |
1776 | size_t prev_buf_size; | |
1777 | const char *srcline; | |
1778 | u64 addr; | |
1779 | ||
01e985e9 | 1780 | addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id]; |
6987561c SL |
1781 | count = disassemble(pc, &info); |
1782 | ||
1783 | if (prog_linfo) | |
1784 | linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, | |
1785 | addr, sub_id, | |
1786 | nr_skip); | |
1787 | ||
1788 | if (linfo && btf) { | |
1789 | srcline = btf__name_by_offset(btf, linfo->line_off); | |
1790 | nr_skip++; | |
1791 | } else | |
1792 | srcline = NULL; | |
1793 | ||
1794 | fprintf(s, "\n"); | |
1795 | prev_buf_size = buf_size; | |
1796 | fflush(s); | |
1797 | ||
1798 | if (!opts->hide_src_code && srcline) { | |
1799 | args->offset = -1; | |
1800 | args->line = strdup(srcline); | |
1801 | args->line_nr = 0; | |
1802 | args->ms.sym = sym; | |
1803 | dl = disasm_line__new(args); | |
1804 | if (dl) { | |
1805 | annotation_line__add(&dl->al, | |
1806 | ¬es->src->source); | |
1807 | } | |
1808 | } | |
1809 | ||
1810 | args->offset = pc; | |
1811 | args->line = buf + prev_buf_size; | |
1812 | args->line_nr = 0; | |
1813 | args->ms.sym = sym; | |
1814 | dl = disasm_line__new(args); | |
1815 | if (dl) | |
1816 | annotation_line__add(&dl->al, ¬es->src->source); | |
1817 | ||
1818 | pc += count; | |
1819 | } while (count > 0 && pc < len); | |
1820 | ||
1821 | ret = 0; | |
1822 | out: | |
1823 | free(prog_linfo); | |
1824 | free(btf); | |
1825 | fclose(s); | |
1826 | bfd_close(bfdf); | |
1827 | return ret; | |
1828 | } | |
1829 | #else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) | |
1830 | static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, | |
1831 | struct annotate_args *args __maybe_unused) | |
1832 | { | |
1833 | return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; | |
1834 | } | |
1835 | #endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) | |
1836 | ||
1a04db70 | 1837 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1838 | { |
1eddd9e4 | 1839 | struct annotation_options *opts = args->options; |
85a84e4f | 1840 | struct map *map = args->ms.map; |
05ed3ac9 | 1841 | struct dso *dso = map->dso; |
6810158d | 1842 | char *command; |
05ed3ac9 ACM |
1843 | FILE *file; |
1844 | char symfs_filename[PATH_MAX]; | |
1845 | struct kcore_extract kce; | |
1846 | bool delete_extract = false; | |
2354ae9b | 1847 | bool decomp = false; |
05ed3ac9 ACM |
1848 | int stdout_fd[2]; |
1849 | int lineno = 0; | |
1850 | int nline; | |
1851 | pid_t pid; | |
1852 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1853 | ||
1854 | if (err) | |
1855 | return err; | |
1856 | ||
78f7defe | 1857 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1858 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1859 | map->unmap_ip(map, sym->end)); |
1860 | ||
78f7defe ACM |
1861 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1862 | dso, dso->long_name, sym, sym->name); | |
1863 | ||
6987561c SL |
1864 | if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) { |
1865 | return symbol__disassemble_bpf(sym, args); | |
1866 | } else if (dso__is_kcore(dso)) { | |
afba19d9 AH |
1867 | kce.kcore_filename = symfs_filename; |
1868 | kce.addr = map__rip_2objdump(map, sym->start); | |
1869 | kce.offs = sym->start; | |
2c241bd3 | 1870 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1871 | if (!kcore_extract__create(&kce)) { |
1872 | delete_extract = true; | |
1873 | strlcpy(symfs_filename, kce.extract_filename, | |
1874 | sizeof(symfs_filename)); | |
afba19d9 | 1875 | } |
2c7da8c5 | 1876 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1877 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1878 | |
3c84fd53 NK |
1879 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1880 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1881 | goto out; |
2c7da8c5 | 1882 | |
2354ae9b | 1883 | decomp = true; |
2c7da8c5 | 1884 | strcpy(symfs_filename, tmp); |
afba19d9 AH |
1885 | } |
1886 | ||
6810158d | 1887 | err = asprintf(&command, |
7a4ec938 | 1888 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1889 | " --stop-address=0x%016" PRIx64 |
442b4eb3 | 1890 | " -l -d %s %s -C \"$1\" 2>/dev/null|grep -v \"$1:\"|expand", |
f178fd2d | 1891 | opts->objdump_path ?: "objdump", |
a47e843e ACM |
1892 | opts->disassembler_style ? "-M " : "", |
1893 | opts->disassembler_style ?: "", | |
78f7defe | 1894 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1895 | map__rip_2objdump(map, sym->end), |
1eddd9e4 | 1896 | opts->show_asm_raw ? "" : "--no-show-raw", |
442b4eb3 | 1897 | opts->annotate_src ? "-S" : ""); |
78f7defe | 1898 | |
6810158d ACM |
1899 | if (err < 0) { |
1900 | pr_err("Failure allocating memory for the command to run\n"); | |
1901 | goto out_remove_tmp; | |
1902 | } | |
1903 | ||
78f7defe ACM |
1904 | pr_debug("Executing: %s\n", command); |
1905 | ||
9955d0be ACM |
1906 | err = -1; |
1907 | if (pipe(stdout_fd) < 0) { | |
1908 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1909 | goto out_free_command; |
9955d0be ACM |
1910 | } |
1911 | ||
1912 | pid = fork(); | |
1913 | if (pid < 0) { | |
1914 | pr_err("Failure forking to run %s\n", command); | |
1915 | goto out_close_stdout; | |
1916 | } | |
1917 | ||
1918 | if (pid == 0) { | |
1919 | close(stdout_fd[0]); | |
1920 | dup2(stdout_fd[1], 1); | |
1921 | close(stdout_fd[1]); | |
442b4eb3 IK |
1922 | execl("/bin/sh", "sh", "-c", command, "--", symfs_filename, |
1923 | NULL); | |
9955d0be ACM |
1924 | perror(command); |
1925 | exit(-1); | |
1926 | } | |
1927 | ||
1928 | close(stdout_fd[1]); | |
1929 | ||
1930 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1931 | if (!file) { |
9955d0be | 1932 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1933 | /* |
1934 | * If we were using debug info should retry with | |
1935 | * original binary. | |
1936 | */ | |
6810158d | 1937 | goto out_free_command; |
62ec9b3f | 1938 | } |
78f7defe | 1939 | |
62ec9b3f AK |
1940 | nline = 0; |
1941 | while (!feof(file)) { | |
ed7b339f ACM |
1942 | /* |
1943 | * The source code line number (lineno) needs to be kept in | |
adba1634 | 1944 | * across calls to symbol__parse_objdump_line(), so that it |
ed7b339f ACM |
1945 | * can associate it with the instructions till the next one. |
1946 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1947 | */ | |
1a04db70 | 1948 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1949 | break; |
62ec9b3f AK |
1950 | nline++; |
1951 | } | |
1952 | ||
1953 | if (nline == 0) | |
1954 | pr_err("No output from %s\n", command); | |
78f7defe | 1955 | |
484a5e74 AH |
1956 | /* |
1957 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1958 | * Remove it. | |
1959 | */ | |
1960 | if (dso__is_kcore(dso)) | |
1961 | delete_last_nop(sym); | |
1962 | ||
9955d0be ACM |
1963 | fclose(file); |
1964 | err = 0; | |
6810158d ACM |
1965 | out_free_command: |
1966 | free(command); | |
2c7da8c5 | 1967 | out_remove_tmp: |
9955d0be ACM |
1968 | close(stdout_fd[0]); |
1969 | ||
2354ae9b | 1970 | if (decomp) |
2c7da8c5 | 1971 | unlink(symfs_filename); |
3caee094 | 1972 | |
afba19d9 AH |
1973 | if (delete_extract) |
1974 | kcore_extract__delete(&kce); | |
c12944f7 | 1975 | out: |
78f7defe | 1976 | return err; |
9955d0be ACM |
1977 | |
1978 | out_close_stdout: | |
1979 | close(stdout_fd[1]); | |
6810158d | 1980 | goto out_free_command; |
78f7defe ACM |
1981 | } |
1982 | ||
48a1e4f2 | 1983 | static void calc_percent(struct sym_hist *sym_hist, |
75a8c1ff | 1984 | struct hists *hists, |
0440af74 | 1985 | struct annotation_data *data, |
073ae601 JO |
1986 | s64 offset, s64 end) |
1987 | { | |
1988 | unsigned int hits = 0; | |
1989 | u64 period = 0; | |
1990 | ||
1991 | while (offset < end) { | |
48a1e4f2 JO |
1992 | hits += sym_hist->addr[offset].nr_samples; |
1993 | period += sym_hist->addr[offset].period; | |
073ae601 JO |
1994 | ++offset; |
1995 | } | |
1996 | ||
48a1e4f2 | 1997 | if (sym_hist->nr_samples) { |
0440af74 JO |
1998 | data->he.period = period; |
1999 | data->he.nr_samples = hits; | |
6d9f0c2d | 2000 | data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples; |
073ae601 | 2001 | } |
75a8c1ff JO |
2002 | |
2003 | if (hists->stats.nr_non_filtered_samples) | |
2004 | data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples; | |
2005 | ||
ab371169 JO |
2006 | if (sym_hist->period) |
2007 | data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period; | |
e58684df JO |
2008 | |
2009 | if (hists->stats.total_period) | |
2010 | data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period; | |
073ae601 JO |
2011 | } |
2012 | ||
9e4e0a9d | 2013 | static void annotation__calc_percent(struct annotation *notes, |
32dcd021 | 2014 | struct evsel *leader, s64 len) |
073ae601 JO |
2015 | { |
2016 | struct annotation_line *al, *next; | |
32dcd021 | 2017 | struct evsel *evsel; |
073ae601 JO |
2018 | |
2019 | list_for_each_entry(al, ¬es->src->source, node) { | |
2020 | s64 end; | |
2bcf7306 | 2021 | int i = 0; |
073ae601 JO |
2022 | |
2023 | if (al->offset == -1) | |
2024 | continue; | |
2025 | ||
2026 | next = annotation_line__next(al, ¬es->src->source); | |
2027 | end = next ? next->offset : len; | |
2028 | ||
2bcf7306 | 2029 | for_each_group_evsel(evsel, leader) { |
75a8c1ff | 2030 | struct hists *hists = evsel__hists(evsel); |
0440af74 | 2031 | struct annotation_data *data; |
48a1e4f2 | 2032 | struct sym_hist *sym_hist; |
073ae601 | 2033 | |
2bcf7306 JO |
2034 | BUG_ON(i >= al->data_nr); |
2035 | ||
2036 | sym_hist = annotation__histogram(notes, evsel->idx); | |
2037 | data = &al->data[i++]; | |
073ae601 | 2038 | |
75a8c1ff | 2039 | calc_percent(sym_hist, hists, data, al->offset, end); |
073ae601 JO |
2040 | } |
2041 | } | |
073ae601 JO |
2042 | } |
2043 | ||
32dcd021 | 2044 | void symbol__calc_percent(struct symbol *sym, struct evsel *evsel) |
073ae601 JO |
2045 | { |
2046 | struct annotation *notes = symbol__annotation(sym); | |
2047 | ||
9e4e0a9d | 2048 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
2049 | } |
2050 | ||
c34df25b | 2051 | int symbol__annotate(struct symbol *sym, struct map *map, |
32dcd021 | 2052 | struct evsel *evsel, size_t privsize, |
380195e2 | 2053 | struct annotation_options *options, |
5449f13c | 2054 | struct arch **parch) |
c34df25b | 2055 | { |
11db1ad4 | 2056 | struct annotation *notes = symbol__annotation(sym); |
ea07c5aa JO |
2057 | struct annotate_args args = { |
2058 | .privsize = privsize, | |
d03a686e | 2059 | .evsel = evsel, |
380195e2 | 2060 | .options = options, |
ea07c5aa | 2061 | }; |
5449f13c | 2062 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 2063 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
2064 | struct arch *arch; |
2065 | int err; | |
2066 | ||
c34df25b JO |
2067 | if (!arch_name) |
2068 | return -1; | |
2069 | ||
24fe7b88 | 2070 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
2071 | if (arch == NULL) |
2072 | return -ENOTSUP; | |
2073 | ||
2074 | if (parch) | |
2075 | *parch = arch; | |
2076 | ||
2077 | if (arch->init) { | |
5449f13c | 2078 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
2079 | if (err) { |
2080 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
2081 | return err; | |
2082 | } | |
2083 | } | |
2084 | ||
85a84e4f ACM |
2085 | args.ms.map = map; |
2086 | args.ms.sym = sym; | |
11db1ad4 | 2087 | notes->start = map__rip_2objdump(map, sym->start); |
85a84e4f | 2088 | |
05d3f1a1 | 2089 | return symbol__disassemble(sym, &args); |
c34df25b JO |
2090 | } |
2091 | ||
c849c12c JO |
2092 | static void insert_source_line(struct rb_root *root, struct annotation_line *al, |
2093 | struct annotation_options *opts) | |
78f7defe | 2094 | { |
8b4c74dc | 2095 | struct annotation_line *iter; |
78f7defe ACM |
2096 | struct rb_node **p = &root->rb_node; |
2097 | struct rb_node *parent = NULL; | |
1491c22a | 2098 | int i, ret; |
78f7defe ACM |
2099 | |
2100 | while (*p != NULL) { | |
2101 | parent = *p; | |
8b4c74dc | 2102 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 2103 | |
8b4c74dc | 2104 | ret = strcmp(iter->path, al->path); |
41127965 | 2105 | if (ret == 0) { |
6d9f0c2d JO |
2106 | for (i = 0; i < al->data_nr; i++) { |
2107 | iter->data[i].percent_sum += annotation_data__percent(&al->data[i], | |
c849c12c | 2108 | opts->percent_type); |
6d9f0c2d | 2109 | } |
41127965 NK |
2110 | return; |
2111 | } | |
2112 | ||
2113 | if (ret < 0) | |
2114 | p = &(*p)->rb_left; | |
2115 | else | |
2116 | p = &(*p)->rb_right; | |
2117 | } | |
2118 | ||
6d9f0c2d JO |
2119 | for (i = 0; i < al->data_nr; i++) { |
2120 | al->data[i].percent_sum = annotation_data__percent(&al->data[i], | |
c849c12c | 2121 | opts->percent_type); |
6d9f0c2d | 2122 | } |
41127965 | 2123 | |
8b4c74dc JO |
2124 | rb_link_node(&al->rb_node, parent, p); |
2125 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
2126 | } |
2127 | ||
8b4c74dc | 2128 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
2129 | { |
2130 | int i; | |
2131 | ||
c2f938ba JO |
2132 | for (i = 0; i < a->data_nr; i++) { |
2133 | if (a->data[i].percent_sum == b->data[i].percent_sum) | |
1491c22a | 2134 | continue; |
c2f938ba | 2135 | return a->data[i].percent_sum > b->data[i].percent_sum; |
1491c22a NK |
2136 | } |
2137 | ||
2138 | return 0; | |
2139 | } | |
2140 | ||
8b4c74dc | 2141 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 2142 | { |
8b4c74dc | 2143 | struct annotation_line *iter; |
41127965 NK |
2144 | struct rb_node **p = &root->rb_node; |
2145 | struct rb_node *parent = NULL; | |
2146 | ||
2147 | while (*p != NULL) { | |
2148 | parent = *p; | |
8b4c74dc | 2149 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 2150 | |
8b4c74dc | 2151 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
2152 | p = &(*p)->rb_left; |
2153 | else | |
2154 | p = &(*p)->rb_right; | |
2155 | } | |
2156 | ||
8b4c74dc JO |
2157 | rb_link_node(&al->rb_node, parent, p); |
2158 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
2159 | } |
2160 | ||
41127965 NK |
2161 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
2162 | { | |
8b4c74dc | 2163 | struct annotation_line *al; |
41127965 NK |
2164 | struct rb_node *node; |
2165 | ||
2166 | node = rb_first(src_root); | |
2167 | while (node) { | |
2168 | struct rb_node *next; | |
2169 | ||
8b4c74dc | 2170 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
2171 | next = rb_next(node); |
2172 | rb_erase(node, src_root); | |
2173 | ||
8b4c74dc | 2174 | __resort_source_line(dest_root, al); |
41127965 NK |
2175 | node = next; |
2176 | } | |
2177 | } | |
2178 | ||
78f7defe ACM |
2179 | static void print_summary(struct rb_root *root, const char *filename) |
2180 | { | |
8b4c74dc | 2181 | struct annotation_line *al; |
78f7defe ACM |
2182 | struct rb_node *node; |
2183 | ||
2184 | printf("\nSorted summary for file %s\n", filename); | |
2185 | printf("----------------------------------------------\n\n"); | |
2186 | ||
2187 | if (RB_EMPTY_ROOT(root)) { | |
2188 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
2189 | return; | |
2190 | } | |
2191 | ||
2192 | node = rb_first(root); | |
2193 | while (node) { | |
1491c22a | 2194 | double percent, percent_max = 0.0; |
78f7defe ACM |
2195 | const char *color; |
2196 | char *path; | |
1491c22a | 2197 | int i; |
78f7defe | 2198 | |
8b4c74dc | 2199 | al = rb_entry(node, struct annotation_line, rb_node); |
c2f938ba JO |
2200 | for (i = 0; i < al->data_nr; i++) { |
2201 | percent = al->data[i].percent_sum; | |
1491c22a NK |
2202 | color = get_percent_color(percent); |
2203 | color_fprintf(stdout, color, " %7.2f", percent); | |
2204 | ||
2205 | if (percent > percent_max) | |
2206 | percent_max = percent; | |
2207 | } | |
2208 | ||
8b4c74dc | 2209 | path = al->path; |
1491c22a | 2210 | color = get_percent_color(percent_max); |
f048d548 | 2211 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 2212 | |
78f7defe ACM |
2213 | node = rb_next(node); |
2214 | } | |
2215 | } | |
2216 | ||
32dcd021 | 2217 | static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel) |
78f7defe ACM |
2218 | { |
2219 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 2220 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 2221 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
2222 | |
2223 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 2224 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 2225 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 2226 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 2227 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
2228 | } |
2229 | ||
f48e7c40 JO |
2230 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
2231 | { | |
2232 | char bf[32]; | |
2233 | struct annotation_line *line; | |
2234 | ||
2235 | list_for_each_entry_reverse(line, lines, node) { | |
2236 | if (line->offset != -1) | |
2237 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
2238 | } | |
2239 | ||
2240 | return 0; | |
2241 | } | |
2242 | ||
db8fd07a | 2243 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
32dcd021 | 2244 | struct evsel *evsel, |
982d410b | 2245 | struct annotation_options *opts) |
78f7defe ACM |
2246 | { |
2247 | struct dso *dso = map->dso; | |
bfd14b9a DA |
2248 | char *filename; |
2249 | const char *d_filename; | |
9cdbadce | 2250 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 2251 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 2252 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 2253 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 2254 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 2255 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 2256 | int more = 0; |
982d410b | 2257 | bool context = opts->context; |
78f7defe | 2258 | u64 len; |
ce9ee4a2 | 2259 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 2260 | int graph_dotted_len; |
787e4da9 | 2261 | char buf[512]; |
78f7defe | 2262 | |
bfd14b9a DA |
2263 | filename = strdup(dso->long_name); |
2264 | if (!filename) | |
2265 | return -ENOMEM; | |
2266 | ||
982d410b | 2267 | if (opts->full_path) |
78f7defe ACM |
2268 | d_filename = filename; |
2269 | else | |
2270 | d_filename = basename(filename); | |
2271 | ||
1b2e2df4 | 2272 | len = symbol__size(sym); |
b1dd4432 | 2273 | |
787e4da9 | 2274 | if (perf_evsel__is_group_event(evsel)) { |
b1dd4432 | 2275 | width *= evsel->nr_members; |
787e4da9 JY |
2276 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); |
2277 | evsel_name = buf; | |
2278 | } | |
78f7defe | 2279 | |
4c04868f JO |
2280 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples, " |
2281 | "percent: %s)\n", | |
1ac39372 TS |
2282 | width, width, symbol_conf.show_total_period ? "Period" : |
2283 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
4c04868f JO |
2284 | d_filename, evsel_name, h->nr_samples, |
2285 | percent_type_str(opts->percent_type)); | |
9cdbadce | 2286 | |
53dd9b5f | 2287 | printf("%-*.*s----\n", |
9cdbadce | 2288 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 2289 | |
bb963e16 | 2290 | if (verbose > 0) |
db8fd07a | 2291 | symbol__annotate_hits(sym, evsel); |
78f7defe | 2292 | |
f48e7c40 JO |
2293 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
2294 | ||
8f25b819 JO |
2295 | list_for_each_entry(pos, ¬es->src->source, node) { |
2296 | int err; | |
2297 | ||
d5e3d747 ACM |
2298 | if (context && queue == NULL) { |
2299 | queue = pos; | |
2300 | queue_len = 0; | |
2301 | } | |
2302 | ||
8f25b819 | 2303 | err = annotation_line__print(pos, sym, start, evsel, len, |
982d410b | 2304 | opts->min_pcnt, printed, opts->max_lines, |
796ca33d | 2305 | queue, addr_fmt_width, opts->percent_type); |
8f25b819 JO |
2306 | |
2307 | switch (err) { | |
36532461 ACM |
2308 | case 0: |
2309 | ++printed; | |
d5e3d747 ACM |
2310 | if (context) { |
2311 | printed += queue_len; | |
2312 | queue = NULL; | |
2313 | queue_len = 0; | |
2314 | } | |
36532461 ACM |
2315 | break; |
2316 | case 1: | |
2317 | /* filtered by max_lines */ | |
2318 | ++more; | |
d040bd36 | 2319 | break; |
36532461 ACM |
2320 | case -1: |
2321 | default: | |
d5e3d747 ACM |
2322 | /* |
2323 | * Filtered by min_pcnt or non IP lines when | |
2324 | * context != 0 | |
2325 | */ | |
2326 | if (!context) | |
2327 | break; | |
2328 | if (queue_len == context) | |
8f25b819 | 2329 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2330 | else |
2331 | ++queue_len; | |
36532461 ACM |
2332 | break; |
2333 | } | |
2334 | } | |
2335 | ||
bfd14b9a DA |
2336 | free(filename); |
2337 | ||
36532461 ACM |
2338 | return more; |
2339 | } | |
f1e2701d | 2340 | |
befd2a38 ACM |
2341 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2342 | double percent __maybe_unused, | |
2343 | bool current __maybe_unused) | |
2344 | { | |
2345 | } | |
2346 | ||
2347 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2348 | int nr __maybe_unused, bool current __maybe_unused) | |
2349 | { | |
2350 | return 0; | |
2351 | } | |
2352 | ||
2353 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2354 | { | |
2355 | return 0; | |
2356 | } | |
2357 | ||
2358 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2359 | { | |
2360 | va_list args; | |
2361 | ||
2362 | va_start(args, fmt); | |
2363 | vfprintf(fp, fmt, args); | |
2364 | va_end(args); | |
2365 | } | |
2366 | ||
2367 | static void FILE__write_graph(void *fp, int graph) | |
2368 | { | |
2369 | const char *s; | |
2370 | switch (graph) { | |
2371 | ||
2372 | case DARROW_CHAR: s = "↓"; break; | |
2373 | case UARROW_CHAR: s = "↑"; break; | |
2374 | case LARROW_CHAR: s = "←"; break; | |
2375 | case RARROW_CHAR: s = "→"; break; | |
2376 | default: s = "?"; break; | |
2377 | } | |
2378 | ||
2379 | fputs(s, fp); | |
2380 | } | |
2381 | ||
4c650ddc JO |
2382 | static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp, |
2383 | struct annotation_options *opts) | |
befd2a38 ACM |
2384 | { |
2385 | struct annotation *notes = symbol__annotation(sym); | |
4c650ddc | 2386 | struct annotation_write_ops wops = { |
befd2a38 ACM |
2387 | .first_line = true, |
2388 | .obj = fp, | |
2389 | .set_color = FILE__set_color, | |
2390 | .set_percent_color = FILE__set_percent_color, | |
2391 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2392 | .printf = FILE__printf, | |
2393 | .write_graph = FILE__write_graph, | |
2394 | }; | |
2395 | struct annotation_line *al; | |
2396 | ||
2397 | list_for_each_entry(al, ¬es->src->source, node) { | |
2398 | if (annotation_line__filter(al, notes)) | |
2399 | continue; | |
4c650ddc | 2400 | annotation_line__write(al, notes, &wops, opts); |
befd2a38 | 2401 | fputc('\n', fp); |
4c650ddc | 2402 | wops.first_line = false; |
befd2a38 ACM |
2403 | } |
2404 | ||
2405 | return 0; | |
2406 | } | |
2407 | ||
32dcd021 | 2408 | int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel, |
4c650ddc | 2409 | struct annotation_options *opts) |
d9bd7665 ACM |
2410 | { |
2411 | const char *ev_name = perf_evsel__name(evsel); | |
2412 | char buf[1024]; | |
2413 | char *filename; | |
2414 | int err = -1; | |
2415 | FILE *fp; | |
2416 | ||
2417 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2418 | return -1; | |
2419 | ||
2420 | fp = fopen(filename, "w"); | |
2421 | if (fp == NULL) | |
2422 | goto out_free_filename; | |
2423 | ||
2424 | if (perf_evsel__is_group_event(evsel)) { | |
2425 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2426 | ev_name = buf; | |
2427 | } | |
2428 | ||
2429 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2430 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
4c650ddc | 2431 | symbol__annotate_fprintf2(ms->sym, fp, opts); |
d9bd7665 ACM |
2432 | |
2433 | fclose(fp); | |
2434 | err = 0; | |
2435 | out_free_filename: | |
2436 | free(filename); | |
2437 | return err; | |
2438 | } | |
2439 | ||
36532461 ACM |
2440 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2441 | { | |
2442 | struct annotation *notes = symbol__annotation(sym); | |
2443 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2444 | ||
ce6f4fab | 2445 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2446 | } |
2447 | ||
ce6f4fab | 2448 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2449 | { |
2450 | struct annotation *notes = symbol__annotation(sym); | |
2451 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2452 | int len = symbol__size(sym), offset; |
36532461 | 2453 | |
8158683d | 2454 | h->nr_samples = 0; |
8b84a568 | 2455 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2456 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2457 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2458 | } |
2459 | } | |
2460 | ||
f8eb37bd | 2461 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2462 | { |
f8eb37bd | 2463 | struct annotation_line *al, *n; |
f1e2701d | 2464 | |
f8eb37bd | 2465 | list_for_each_entry_safe(al, n, &as->source, node) { |
e56fbc9d | 2466 | list_del_init(&al->node); |
f8eb37bd | 2467 | disasm_line__free(disasm_line(al)); |
f1e2701d ACM |
2468 | } |
2469 | } | |
2470 | ||
5145418b ACM |
2471 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2472 | { | |
2473 | size_t printed; | |
2474 | ||
d5490b96 JO |
2475 | if (dl->al.offset == -1) |
2476 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2477 | |
d5490b96 | 2478 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2479 | |
c7e6ead7 | 2480 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2481 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2482 | dl->ops.raw); |
5145418b ACM |
2483 | } |
2484 | ||
2485 | return printed + fprintf(fp, "\n"); | |
2486 | } | |
2487 | ||
2488 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2489 | { | |
2490 | struct disasm_line *pos; | |
2491 | size_t printed = 0; | |
2492 | ||
a17c4ca0 | 2493 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2494 | printed += disasm_line__fprintf(pos, fp); |
2495 | ||
2496 | return printed; | |
2497 | } | |
2498 | ||
2eff0611 | 2499 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2500 | { |
2501 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2502 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2503 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2504 | return false; | |
2505 | ||
2506 | return true; | |
2507 | } | |
2508 | ||
2509 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2510 | { | |
2511 | u64 offset, size = symbol__size(sym); | |
2512 | ||
2513 | /* PLT symbols contain external offsets */ | |
2514 | if (strstr(sym->name, "@plt")) | |
2515 | return; | |
2516 | ||
2517 | for (offset = 0; offset < size; ++offset) { | |
2518 | struct annotation_line *al = notes->offsets[offset]; | |
2519 | struct disasm_line *dl; | |
2520 | ||
2521 | dl = disasm_line(al); | |
2522 | ||
2eff0611 | 2523 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2524 | continue; |
2525 | ||
2526 | al = notes->offsets[dl->ops.target.offset]; | |
2527 | ||
2528 | /* | |
2529 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2530 | * have to adjust to the previous offset? | |
2531 | */ | |
2532 | if (al == NULL) | |
2533 | continue; | |
2534 | ||
2535 | if (++al->jump_sources > notes->max_jump_sources) | |
2536 | notes->max_jump_sources = al->jump_sources; | |
2537 | ||
2538 | ++notes->nr_jumps; | |
2539 | } | |
2540 | } | |
2541 | ||
5bc49f61 ACM |
2542 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2543 | { | |
2544 | struct annotation_line *al; | |
2545 | ||
2546 | notes->max_line_len = 0; | |
2547 | ||
2548 | list_for_each_entry(al, ¬es->src->source, node) { | |
2549 | size_t line_len = strlen(al->line); | |
2550 | ||
2551 | if (notes->max_line_len < line_len) | |
2552 | notes->max_line_len = line_len; | |
2553 | al->idx = notes->nr_entries++; | |
2554 | if (al->offset != -1) { | |
2555 | al->idx_asm = notes->nr_asm_entries++; | |
2556 | /* | |
2557 | * FIXME: short term bandaid to cope with assembly | |
2558 | * routines that comes with labels in the same column | |
2559 | * as the address in objdump, sigh. | |
2560 | * | |
2561 | * E.g. copy_user_generic_unrolled | |
2562 | */ | |
2563 | if (al->offset < size) | |
2564 | notes->offsets[al->offset] = al; | |
2565 | } else | |
2566 | al->idx_asm = -1; | |
2567 | } | |
2568 | } | |
2569 | ||
b8b0d819 ACM |
2570 | static inline int width_jumps(int n) |
2571 | { | |
2572 | if (n >= 100) | |
2573 | return 5; | |
2574 | if (n / 10) | |
2575 | return 2; | |
2576 | return 1; | |
2577 | } | |
2578 | ||
bc3bb795 ACM |
2579 | static int annotation__max_ins_name(struct annotation *notes) |
2580 | { | |
2581 | int max_name = 0, len; | |
2582 | struct annotation_line *al; | |
2583 | ||
2584 | list_for_each_entry(al, ¬es->src->source, node) { | |
2585 | if (al->offset == -1) | |
2586 | continue; | |
2587 | ||
2588 | len = strlen(disasm_line(al)->ins.name); | |
2589 | if (max_name < len) | |
2590 | max_name = len; | |
2591 | } | |
2592 | ||
2593 | return max_name; | |
2594 | } | |
2595 | ||
b8b0d819 ACM |
2596 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) |
2597 | { | |
2598 | notes->widths.addr = notes->widths.target = | |
2599 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2600 | notes->widths.max_addr = hex_width(sym->end); | |
2601 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
bc3bb795 | 2602 | notes->widths.max_ins_name = annotation__max_ins_name(notes); |
b8b0d819 ACM |
2603 | } |
2604 | ||
7232bf7a ACM |
2605 | void annotation__update_column_widths(struct annotation *notes) |
2606 | { | |
2607 | if (notes->options->use_offset) | |
2608 | notes->widths.target = notes->widths.min_addr; | |
2609 | else | |
2610 | notes->widths.target = notes->widths.max_addr; | |
2611 | ||
2612 | notes->widths.addr = notes->widths.target; | |
2613 | ||
2614 | if (notes->options->show_nr_jumps) | |
2615 | notes->widths.addr += notes->widths.jumps + 1; | |
2616 | } | |
2617 | ||
8b4c74dc | 2618 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
c849c12c JO |
2619 | struct rb_root *root, |
2620 | struct annotation_options *opts) | |
8b4c74dc JO |
2621 | { |
2622 | struct annotation_line *al; | |
2623 | struct rb_root tmp_root = RB_ROOT; | |
2624 | ||
2625 | list_for_each_entry(al, ¬es->src->source, node) { | |
2626 | double percent_max = 0.0; | |
2627 | int i; | |
2628 | ||
c2f938ba | 2629 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d | 2630 | double percent; |
8b4c74dc | 2631 | |
6d9f0c2d | 2632 | percent = annotation_data__percent(&al->data[i], |
c849c12c | 2633 | opts->percent_type); |
8b4c74dc | 2634 | |
6d9f0c2d JO |
2635 | if (percent > percent_max) |
2636 | percent_max = percent; | |
8b4c74dc JO |
2637 | } |
2638 | ||
2639 | if (percent_max <= 0.5) | |
2640 | continue; | |
2641 | ||
425859ff ACM |
2642 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2643 | false, true, notes->start + al->offset); | |
c849c12c | 2644 | insert_source_line(&tmp_root, al, opts); |
8b4c74dc JO |
2645 | } |
2646 | ||
2647 | resort_source_line(root, &tmp_root); | |
2648 | } | |
2649 | ||
2650 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
c849c12c JO |
2651 | struct rb_root *root, |
2652 | struct annotation_options *opts) | |
8b4c74dc JO |
2653 | { |
2654 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2655 | |
c849c12c | 2656 | annotation__calc_lines(notes, map, root, opts); |
8b4c74dc JO |
2657 | } |
2658 | ||
befd2a38 | 2659 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
32dcd021 | 2660 | struct evsel *evsel, |
982d410b | 2661 | struct annotation_options *opts) |
befd2a38 ACM |
2662 | { |
2663 | struct dso *dso = map->dso; | |
2664 | struct rb_root source_line = RB_ROOT; | |
0683d13c | 2665 | struct hists *hists = evsel__hists(evsel); |
864298f2 | 2666 | char buf[1024]; |
befd2a38 | 2667 | |
982d410b | 2668 | if (symbol__annotate2(sym, map, evsel, opts, NULL) < 0) |
befd2a38 ACM |
2669 | return -1; |
2670 | ||
982d410b ACM |
2671 | if (opts->print_lines) { |
2672 | srcline_full_filename = opts->full_path; | |
c849c12c | 2673 | symbol__calc_lines(sym, map, &source_line, opts); |
befd2a38 ACM |
2674 | print_summary(&source_line, dso->long_name); |
2675 | } | |
2676 | ||
0683d13c | 2677 | hists__scnprintf_title(hists, buf, sizeof(buf)); |
4c04868f JO |
2678 | fprintf(stdout, "%s, [percent: %s]\n%s() %s\n", |
2679 | buf, percent_type_str(opts->percent_type), sym->name, dso->long_name); | |
4c650ddc | 2680 | symbol__annotate_fprintf2(sym, stdout, opts); |
befd2a38 ACM |
2681 | |
2682 | annotated_source__purge(symbol__annotation(sym)->src); | |
2683 | ||
2684 | return 0; | |
2685 | } | |
2686 | ||
db8fd07a | 2687 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
32dcd021 | 2688 | struct evsel *evsel, |
982d410b | 2689 | struct annotation_options *opts) |
f1e2701d ACM |
2690 | { |
2691 | struct dso *dso = map->dso; | |
f1e2701d | 2692 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2693 | |
380195e2 | 2694 | if (symbol__annotate(sym, map, evsel, 0, opts, NULL) < 0) |
f1e2701d ACM |
2695 | return -1; |
2696 | ||
05d3f1a1 JO |
2697 | symbol__calc_percent(sym, evsel); |
2698 | ||
982d410b ACM |
2699 | if (opts->print_lines) { |
2700 | srcline_full_filename = opts->full_path; | |
c849c12c | 2701 | symbol__calc_lines(sym, map, &source_line, opts); |
86c98cab | 2702 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2703 | } |
2704 | ||
982d410b | 2705 | symbol__annotate_printf(sym, map, evsel, opts); |
78f7defe | 2706 | |
f8eb37bd | 2707 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2708 | |
78f7defe ACM |
2709 | return 0; |
2710 | } | |
f626adff | 2711 | |
48c65bda NK |
2712 | bool ui__has_annotation(void) |
2713 | { | |
2e0453af | 2714 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2715 | } |
ecda45bd | 2716 | |
2f025ea0 | 2717 | |
5ecf7d30 | 2718 | static double annotation_line__max_percent(struct annotation_line *al, |
4c650ddc JO |
2719 | struct annotation *notes, |
2720 | unsigned int percent_type) | |
2f025ea0 ACM |
2721 | { |
2722 | double percent_max = 0.0; | |
2723 | int i; | |
2724 | ||
2725 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2726 | double percent; |
2727 | ||
2728 | percent = annotation_data__percent(&al->data[i], | |
4c650ddc | 2729 | percent_type); |
6d9f0c2d JO |
2730 | |
2731 | if (percent > percent_max) | |
2732 | percent_max = percent; | |
2f025ea0 ACM |
2733 | } |
2734 | ||
2735 | return percent_max; | |
2736 | } | |
2737 | ||
a1e9b74c ACM |
2738 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2739 | void *obj, char *bf, size_t size, | |
2740 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2741 | void (*obj__write_graph)(void *obj, int graph)) | |
2742 | { | |
2743 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2744 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2745 | bool fwd; |
a1e9b74c | 2746 | |
751b1783 ACM |
2747 | if (dl->ops.target.outside) |
2748 | goto call_like; | |
2749 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2750 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2751 | obj__printf(obj, " "); | |
2752 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2753 | call_like: |
a1e9b74c ACM |
2754 | obj__write_graph(obj, RARROW_CHAR); |
2755 | obj__printf(obj, " "); | |
2756 | } else if (ins__is_ret(&dl->ins)) { | |
2757 | obj__write_graph(obj, LARROW_CHAR); | |
2758 | obj__printf(obj, " "); | |
2759 | } else { | |
2760 | obj__printf(obj, " "); | |
2761 | } | |
2762 | } else { | |
2763 | obj__printf(obj, " "); | |
2764 | } | |
2765 | ||
bc3bb795 | 2766 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name); |
a1e9b74c ACM |
2767 | } |
2768 | ||
ace4f8fa JY |
2769 | static void ipc_coverage_string(char *bf, int size, struct annotation *notes) |
2770 | { | |
2771 | double ipc = 0.0, coverage = 0.0; | |
2772 | ||
2773 | if (notes->hit_cycles) | |
2774 | ipc = notes->hit_insn / ((double)notes->hit_cycles); | |
2775 | ||
2776 | if (notes->total_insn) { | |
2777 | coverage = notes->cover_insn * 100.0 / | |
2778 | ((double)notes->total_insn); | |
2779 | } | |
2780 | ||
2781 | scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)", | |
2782 | ipc, coverage); | |
2783 | } | |
2784 | ||
c298304b ACM |
2785 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2786 | bool first_line, bool current_entry, bool change_color, int width, | |
4c650ddc | 2787 | void *obj, unsigned int percent_type, |
c298304b ACM |
2788 | int (*obj__set_color)(void *obj, int color), |
2789 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2790 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2791 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2792 | void (*obj__write_graph)(void *obj, int graph)) | |
2793 | ||
2ba5eca1 | 2794 | { |
4c650ddc | 2795 | double percent_max = annotation_line__max_percent(al, notes, percent_type); |
a1e9b74c ACM |
2796 | int pcnt_width = annotation__pcnt_width(notes), |
2797 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2798 | bool show_title = false; |
a1e9b74c ACM |
2799 | char bf[256]; |
2800 | int printed; | |
2ba5eca1 ACM |
2801 | |
2802 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2803 | if (notes->have_cycles) { | |
2804 | if (al->ipc == 0.0 && al->cycles == 0) | |
2805 | show_title = true; | |
2806 | } else | |
2807 | show_title = true; | |
2808 | } | |
2809 | ||
2ba5eca1 ACM |
2810 | if (al->offset != -1 && percent_max != 0.0) { |
2811 | int i; | |
2812 | ||
2813 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2814 | double percent; |
2815 | ||
4c650ddc | 2816 | percent = annotation_data__percent(&al->data[i], percent_type); |
6d9f0c2d JO |
2817 | |
2818 | obj__set_percent_color(obj, percent, current_entry); | |
2ba5eca1 | 2819 | if (notes->options->show_total_period) { |
c2f938ba | 2820 | obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period); |
2ba5eca1 ACM |
2821 | } else if (notes->options->show_nr_samples) { |
2822 | obj__printf(obj, "%6" PRIu64 " ", | |
c2f938ba | 2823 | al->data[i].he.nr_samples); |
2ba5eca1 | 2824 | } else { |
6d9f0c2d | 2825 | obj__printf(obj, "%6.2f ", percent); |
2ba5eca1 ACM |
2826 | } |
2827 | } | |
2828 | } else { | |
2ba5eca1 ACM |
2829 | obj__set_percent_color(obj, 0, current_entry); |
2830 | ||
2831 | if (!show_title) | |
a1e9b74c | 2832 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2833 | else { |
a1e9b74c | 2834 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2835 | notes->options->show_total_period ? "Period" : |
2836 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2837 | } | |
2838 | } | |
2839 | ||
2840 | if (notes->have_cycles) { | |
2841 | if (al->ipc) | |
2842 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2843 | else if (!show_title) | |
2844 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2845 | else | |
2846 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2847 | ||
3e71fc03 JY |
2848 | if (!notes->options->show_minmax_cycle) { |
2849 | if (al->cycles) | |
2850 | obj__printf(obj, "%*" PRIu64 " ", | |
2ba5eca1 | 2851 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); |
3e71fc03 JY |
2852 | else if (!show_title) |
2853 | obj__printf(obj, "%*s", | |
2854 | ANNOTATION__CYCLES_WIDTH, " "); | |
2855 | else | |
2856 | obj__printf(obj, "%*s ", | |
2857 | ANNOTATION__CYCLES_WIDTH - 1, | |
2858 | "Cycle"); | |
2859 | } else { | |
2860 | if (al->cycles) { | |
2861 | char str[32]; | |
2862 | ||
2863 | scnprintf(str, sizeof(str), | |
2864 | "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")", | |
2865 | al->cycles, al->cycles_min, | |
2866 | al->cycles_max); | |
2867 | ||
2868 | obj__printf(obj, "%*s ", | |
2869 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2870 | str); | |
2871 | } else if (!show_title) | |
2872 | obj__printf(obj, "%*s", | |
2873 | ANNOTATION__MINMAX_CYCLES_WIDTH, | |
2874 | " "); | |
2875 | else | |
2876 | obj__printf(obj, "%*s ", | |
2877 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2878 | "Cycle(min/max)"); | |
2879 | } | |
ace4f8fa JY |
2880 | |
2881 | if (show_title && !*al->line) { | |
2882 | ipc_coverage_string(bf, sizeof(bf), notes); | |
2883 | obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf); | |
2884 | } | |
2ba5eca1 ACM |
2885 | } |
2886 | ||
2887 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2888 | |
2889 | if (!*al->line) | |
2890 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2891 | else if (al->offset == -1) { | |
2892 | if (al->line_nr && notes->options->show_linenr) | |
2893 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2894 | else | |
2895 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2896 | obj__printf(obj, bf); | |
2897 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2898 | } else { | |
2899 | u64 addr = al->offset; | |
2900 | int color = -1; | |
2901 | ||
2902 | if (!notes->options->use_offset) | |
2903 | addr += notes->start; | |
2904 | ||
2905 | if (!notes->options->use_offset) { | |
2906 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2907 | } else { | |
592c10e2 ACM |
2908 | if (al->jump_sources && |
2909 | notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { | |
a1e9b74c ACM |
2910 | if (notes->options->show_nr_jumps) { |
2911 | int prev; | |
2912 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2913 | notes->widths.jumps, | |
2914 | al->jump_sources); | |
2915 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2916 | current_entry); | |
2917 | obj__printf(obj, bf); | |
2918 | obj__set_color(obj, prev); | |
2919 | } | |
592c10e2 | 2920 | print_addr: |
a1e9b74c ACM |
2921 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", |
2922 | notes->widths.target, addr); | |
592c10e2 ACM |
2923 | } else if (ins__is_call(&disasm_line(al)->ins) && |
2924 | notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { | |
2925 | goto print_addr; | |
2926 | } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { | |
2927 | goto print_addr; | |
a1e9b74c ACM |
2928 | } else { |
2929 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2930 | notes->widths.addr, " "); | |
2931 | } | |
2932 | } | |
2933 | ||
2934 | if (change_color) | |
2935 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2936 | obj__printf(obj, bf); | |
2937 | if (change_color) | |
2938 | obj__set_color(obj, color); | |
2939 | ||
2940 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2941 | ||
2942 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2943 | } | |
2944 | ||
2ba5eca1 ACM |
2945 | } |
2946 | ||
c298304b | 2947 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
4c650ddc JO |
2948 | struct annotation_write_ops *wops, |
2949 | struct annotation_options *opts) | |
c298304b | 2950 | { |
4c650ddc JO |
2951 | __annotation_line__write(al, notes, wops->first_line, wops->current_entry, |
2952 | wops->change_color, wops->width, wops->obj, | |
2953 | opts->percent_type, | |
2954 | wops->set_color, wops->set_percent_color, | |
2955 | wops->set_jumps_percent_color, wops->printf, | |
2956 | wops->write_graph); | |
c298304b ACM |
2957 | } |
2958 | ||
32dcd021 | 2959 | int symbol__annotate2(struct symbol *sym, struct map *map, struct evsel *evsel, |
ecda45bd ACM |
2960 | struct annotation_options *options, struct arch **parch) |
2961 | { | |
2962 | struct annotation *notes = symbol__annotation(sym); | |
2963 | size_t size = symbol__size(sym); | |
2964 | int nr_pcnt = 1, err; | |
2965 | ||
2966 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2967 | if (notes->offsets == NULL) | |
2968 | return -1; | |
2969 | ||
2970 | if (perf_evsel__is_group_event(evsel)) | |
2971 | nr_pcnt = evsel->nr_members; | |
2972 | ||
380195e2 | 2973 | err = symbol__annotate(sym, map, evsel, 0, options, parch); |
ecda45bd ACM |
2974 | if (err) |
2975 | goto out_free_offsets; | |
2976 | ||
2977 | notes->options = options; | |
2978 | ||
2979 | symbol__calc_percent(sym, evsel); | |
2980 | ||
ecda45bd ACM |
2981 | annotation__set_offsets(notes, size); |
2982 | annotation__mark_jump_targets(notes, sym); | |
2983 | annotation__compute_ipc(notes, size); | |
2984 | annotation__init_column_widths(notes, sym); | |
2985 | notes->nr_events = nr_pcnt; | |
2986 | ||
2987 | annotation__update_column_widths(notes); | |
246fda09 | 2988 | sym->annotate2 = true; |
ecda45bd ACM |
2989 | |
2990 | return 0; | |
2991 | ||
2992 | out_free_offsets: | |
2993 | zfree(¬es->offsets); | |
2994 | return -1; | |
2995 | } | |
7f0b6fde ACM |
2996 | |
2997 | #define ANNOTATION__CFG(n) \ | |
2998 | { .name = #n, .value = &annotation__default_options.n, } | |
2999 | ||
3000 | /* | |
3001 | * Keep the entries sorted, they are bsearch'ed | |
3002 | */ | |
3003 | static struct annotation_config { | |
3004 | const char *name; | |
43c40231 | 3005 | void *value; |
7f0b6fde ACM |
3006 | } annotation__configs[] = { |
3007 | ANNOTATION__CFG(hide_src_code), | |
3008 | ANNOTATION__CFG(jump_arrows), | |
43c40231 | 3009 | ANNOTATION__CFG(offset_level), |
7f0b6fde ACM |
3010 | ANNOTATION__CFG(show_linenr), |
3011 | ANNOTATION__CFG(show_nr_jumps), | |
3012 | ANNOTATION__CFG(show_nr_samples), | |
3013 | ANNOTATION__CFG(show_total_period), | |
3014 | ANNOTATION__CFG(use_offset), | |
3015 | }; | |
3016 | ||
3017 | #undef ANNOTATION__CFG | |
3018 | ||
3019 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
3020 | { | |
3021 | const struct annotation_config *cfg = cfgp; | |
3022 | ||
3023 | return strcmp(name, cfg->name); | |
3024 | } | |
3025 | ||
3026 | static int annotation__config(const char *var, const char *value, | |
3027 | void *data __maybe_unused) | |
3028 | { | |
3029 | struct annotation_config *cfg; | |
3030 | const char *name; | |
3031 | ||
3032 | if (!strstarts(var, "annotate.")) | |
3033 | return 0; | |
3034 | ||
3035 | name = var + 9; | |
3036 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
3037 | sizeof(struct annotation_config), annotation_config__cmp); | |
3038 | ||
3039 | if (cfg == NULL) | |
3040 | pr_debug("%s variable unknown, ignoring...", var); | |
43c40231 ACM |
3041 | else if (strcmp(var, "annotate.offset_level") == 0) { |
3042 | perf_config_int(cfg->value, name, value); | |
3043 | ||
3044 | if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) | |
3045 | *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; | |
3046 | else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) | |
3047 | *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; | |
3048 | } else { | |
3049 | *(bool *)cfg->value = perf_config_bool(name, value); | |
3050 | } | |
7f0b6fde ACM |
3051 | return 0; |
3052 | } | |
3053 | ||
3054 | void annotation_config__init(void) | |
3055 | { | |
3056 | perf_config(annotation__config, NULL); | |
3057 | ||
3058 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
3059 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
3060 | } | |
88c21190 JO |
3061 | |
3062 | static unsigned int parse_percent_type(char *str1, char *str2) | |
3063 | { | |
3064 | unsigned int type = (unsigned int) -1; | |
3065 | ||
3066 | if (!strcmp("period", str1)) { | |
3067 | if (!strcmp("local", str2)) | |
3068 | type = PERCENT_PERIOD_LOCAL; | |
3069 | else if (!strcmp("global", str2)) | |
3070 | type = PERCENT_PERIOD_GLOBAL; | |
3071 | } | |
3072 | ||
3073 | if (!strcmp("hits", str1)) { | |
3074 | if (!strcmp("local", str2)) | |
3075 | type = PERCENT_HITS_LOCAL; | |
3076 | else if (!strcmp("global", str2)) | |
3077 | type = PERCENT_HITS_GLOBAL; | |
3078 | } | |
3079 | ||
3080 | return type; | |
3081 | } | |
3082 | ||
3083 | int annotate_parse_percent_type(const struct option *opt, const char *_str, | |
3084 | int unset __maybe_unused) | |
3085 | { | |
3086 | struct annotation_options *opts = opt->value; | |
3087 | unsigned int type; | |
3088 | char *str1, *str2; | |
3089 | int err = -1; | |
3090 | ||
3091 | str1 = strdup(_str); | |
3092 | if (!str1) | |
3093 | return -ENOMEM; | |
3094 | ||
3095 | str2 = strchr(str1, '-'); | |
3096 | if (!str2) | |
3097 | goto out; | |
3098 | ||
3099 | *str2++ = 0; | |
3100 | ||
3101 | type = parse_percent_type(str1, str2); | |
3102 | if (type == (unsigned int) -1) | |
3103 | type = parse_percent_type(str2, str1); | |
3104 | if (type != (unsigned int) -1) { | |
3105 | opts->percent_type = type; | |
3106 | err = 0; | |
3107 | } | |
3108 | ||
3109 | out: | |
3110 | free(str1); | |
3111 | return err; | |
3112 | } |