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> |
f2a39fe8 | 12 | #include <stdlib.h> |
6987561c SL |
13 | #include <bpf/bpf.h> |
14 | #include <bpf/btf.h> | |
15 | #include <bpf/libbpf.h> | |
16 | #include <linux/btf.h> | |
fb71c86c | 17 | #include "util.h" // hex_width() |
48c65bda NK |
18 | #include "ui/ui.h" |
19 | #include "sort.h" | |
78f7defe ACM |
20 | #include "build-id.h" |
21 | #include "color.h" | |
7f0b6fde | 22 | #include "config.h" |
fac583fd | 23 | #include "dso.h" |
f2a39fe8 | 24 | #include "env.h" |
1101f69a | 25 | #include "map.h" |
f2a39fe8 | 26 | #include "map_groups.h" |
78f7defe | 27 | #include "symbol.h" |
97b9d866 | 28 | #include "srcline.h" |
b213eac2 | 29 | #include "units.h" |
78f7defe ACM |
30 | #include "debug.h" |
31 | #include "annotate.h" | |
db8fd07a | 32 | #include "evsel.h" |
0693f758 | 33 | #include "evlist.h" |
6987561c | 34 | #include "bpf-event.h" |
70fbe057 | 35 | #include "block-range.h" |
a067558e | 36 | #include "string2.h" |
252a2fdc | 37 | #include "util/event.h" |
786c1b51 | 38 | #include "arch/common.h" |
e592488c | 39 | #include <regex.h> |
ce6f4fab | 40 | #include <pthread.h> |
4383db88 | 41 | #include <linux/bitops.h> |
877a7a11 | 42 | #include <linux/kernel.h> |
13c230ab | 43 | #include <linux/string.h> |
6987561c | 44 | #include <bpf/libbpf.h> |
97b9d866 | 45 | #include <subcmd/parse-options.h> |
78f7defe | 46 | |
a1e9b74c ACM |
47 | /* FIXME: For the HE_COLORSET */ |
48 | #include "ui/browser.h" | |
49 | ||
50 | /* | |
51 | * FIXME: Using the same values as slang.h, | |
52 | * but that header may not be available everywhere | |
53 | */ | |
c298304b ACM |
54 | #define LARROW_CHAR ((unsigned char)',') |
55 | #define RARROW_CHAR ((unsigned char)'+') | |
56 | #define DARROW_CHAR ((unsigned char)'.') | |
57 | #define UARROW_CHAR ((unsigned char)'-') | |
a1e9b74c | 58 | |
3052ba56 | 59 | #include <linux/ctype.h> |
3d689ed6 | 60 | |
7f0b6fde ACM |
61 | struct annotation_options annotation__default_options = { |
62 | .use_offset = true, | |
63 | .jump_arrows = true, | |
1eddd9e4 | 64 | .annotate_src = true, |
592c10e2 | 65 | .offset_level = ANNOTATION__OFFSET_JUMP_TARGETS, |
addba8b6 | 66 | .percent_type = PERCENT_PERIOD_LOCAL, |
7f0b6fde ACM |
67 | }; |
68 | ||
e592488c | 69 | static regex_t file_lineno; |
f69b64f7 | 70 | |
75b49202 | 71 | static struct ins_ops *ins__find(struct arch *arch, const char *name); |
2a1ff812 | 72 | static void ins__sort(struct arch *arch); |
75b49202 | 73 | static int disasm_line__parse(char *line, const char **namep, char **rawp); |
7a997fe4 | 74 | |
786c1b51 ACM |
75 | struct arch { |
76 | const char *name; | |
763d8960 ACM |
77 | struct ins *instructions; |
78 | size_t nr_instructions; | |
2a1ff812 ACM |
79 | size_t nr_instructions_allocated; |
80 | struct ins_ops *(*associate_instruction_ops)(struct arch *arch, const char *name); | |
763d8960 | 81 | bool sorted_instructions; |
0781ea92 ACM |
82 | bool initialized; |
83 | void *priv; | |
69fb09f6 JY |
84 | unsigned int model; |
85 | unsigned int family; | |
696e2457 | 86 | int (*init)(struct arch *arch, char *cpuid); |
69fb09f6 JY |
87 | bool (*ins_is_fused)(struct arch *arch, const char *ins1, |
88 | const char *ins2); | |
786c1b51 ACM |
89 | struct { |
90 | char comment_char; | |
9c2fb451 | 91 | char skip_functions_char; |
786c1b51 ACM |
92 | } objdump; |
93 | }; | |
94 | ||
763d8960 ACM |
95 | static struct ins_ops call_ops; |
96 | static struct ins_ops dec_ops; | |
97 | static struct ins_ops jump_ops; | |
98 | static struct ins_ops mov_ops; | |
99 | static struct ins_ops nop_ops; | |
100 | static struct ins_ops lock_ops; | |
101 | static struct ins_ops ret_ops; | |
102 | ||
2a1ff812 ACM |
103 | static int arch__grow_instructions(struct arch *arch) |
104 | { | |
105 | struct ins *new_instructions; | |
106 | size_t new_nr_allocated; | |
107 | ||
108 | if (arch->nr_instructions_allocated == 0 && arch->instructions) | |
109 | goto grow_from_non_allocated_table; | |
110 | ||
111 | new_nr_allocated = arch->nr_instructions_allocated + 128; | |
112 | new_instructions = realloc(arch->instructions, new_nr_allocated * sizeof(struct ins)); | |
113 | if (new_instructions == NULL) | |
114 | return -1; | |
115 | ||
116 | out_update_instructions: | |
117 | arch->instructions = new_instructions; | |
118 | arch->nr_instructions_allocated = new_nr_allocated; | |
119 | return 0; | |
120 | ||
121 | grow_from_non_allocated_table: | |
122 | new_nr_allocated = arch->nr_instructions + 128; | |
123 | new_instructions = calloc(new_nr_allocated, sizeof(struct ins)); | |
124 | if (new_instructions == NULL) | |
125 | return -1; | |
126 | ||
127 | memcpy(new_instructions, arch->instructions, arch->nr_instructions); | |
128 | goto out_update_instructions; | |
129 | } | |
130 | ||
acc9bfb5 | 131 | static int arch__associate_ins_ops(struct arch* arch, const char *name, struct ins_ops *ops) |
2a1ff812 ACM |
132 | { |
133 | struct ins *ins; | |
134 | ||
135 | if (arch->nr_instructions == arch->nr_instructions_allocated && | |
136 | arch__grow_instructions(arch)) | |
137 | return -1; | |
138 | ||
139 | ins = &arch->instructions[arch->nr_instructions]; | |
140 | ins->name = strdup(name); | |
141 | if (!ins->name) | |
142 | return -1; | |
143 | ||
144 | ins->ops = ops; | |
145 | arch->nr_instructions++; | |
146 | ||
147 | ins__sort(arch); | |
148 | return 0; | |
149 | } | |
150 | ||
6d99a79c | 151 | #include "arch/arc/annotate/instructions.c" |
763d8960 | 152 | #include "arch/arm/annotate/instructions.c" |
0fcb1da4 | 153 | #include "arch/arm64/annotate/instructions.c" |
aa23aa55 | 154 | #include "arch/csky/annotate/instructions.c" |
763d8960 | 155 | #include "arch/x86/annotate/instructions.c" |
dbdebdc5 | 156 | #include "arch/powerpc/annotate/instructions.c" |
d9f8dfa9 | 157 | #include "arch/s390/annotate/instructions.c" |
0ab41886 | 158 | #include "arch/sparc/annotate/instructions.c" |
763d8960 | 159 | |
786c1b51 | 160 | static struct arch architectures[] = { |
6d99a79c EP |
161 | { |
162 | .name = "arc", | |
163 | .init = arc__annotate_init, | |
164 | }, | |
786c1b51 ACM |
165 | { |
166 | .name = "arm", | |
acc9bfb5 | 167 | .init = arm__annotate_init, |
786c1b51 | 168 | }, |
0fcb1da4 KP |
169 | { |
170 | .name = "arm64", | |
171 | .init = arm64__annotate_init, | |
172 | }, | |
aa23aa55 MH |
173 | { |
174 | .name = "csky", | |
175 | .init = csky__annotate_init, | |
176 | }, | |
786c1b51 ACM |
177 | { |
178 | .name = "x86", | |
696e2457 | 179 | .init = x86__annotate_init, |
763d8960 ACM |
180 | .instructions = x86__instructions, |
181 | .nr_instructions = ARRAY_SIZE(x86__instructions), | |
69fb09f6 | 182 | .ins_is_fused = x86__ins_is_fused, |
786c1b51 ACM |
183 | .objdump = { |
184 | .comment_char = '#', | |
185 | }, | |
186 | }, | |
dbdebdc5 RB |
187 | { |
188 | .name = "powerpc", | |
189 | .init = powerpc__annotate_init, | |
190 | }, | |
e77852b3 CB |
191 | { |
192 | .name = "s390", | |
d9f8dfa9 | 193 | .init = s390__annotate_init, |
e77852b3 CB |
194 | .objdump = { |
195 | .comment_char = '#', | |
196 | }, | |
197 | }, | |
0ab41886 DM |
198 | { |
199 | .name = "sparc", | |
200 | .init = sparc__annotate_init, | |
201 | .objdump = { | |
202 | .comment_char = '#', | |
203 | }, | |
204 | }, | |
786c1b51 ACM |
205 | }; |
206 | ||
c46219ac ACM |
207 | static void ins__delete(struct ins_operands *ops) |
208 | { | |
3995614d ACM |
209 | if (ops == NULL) |
210 | return; | |
74cf249d ACM |
211 | zfree(&ops->source.raw); |
212 | zfree(&ops->source.name); | |
213 | zfree(&ops->target.raw); | |
214 | zfree(&ops->target.name); | |
c46219ac ACM |
215 | } |
216 | ||
5417072b | 217 | static int ins__raw_scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 218 | struct ins_operands *ops, int max_ins_name) |
5417072b | 219 | { |
bc3bb795 | 220 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->raw); |
5417072b ACM |
221 | } |
222 | ||
223 | int ins__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 224 | struct ins_operands *ops, int max_ins_name) |
5417072b ACM |
225 | { |
226 | if (ins->ops->scnprintf) | |
bc3bb795 | 227 | return ins->ops->scnprintf(ins, bf, size, ops, max_ins_name); |
5417072b | 228 | |
bc3bb795 | 229 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
5417072b ACM |
230 | } |
231 | ||
69fb09f6 JY |
232 | bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2) |
233 | { | |
234 | if (!arch || !arch->ins_is_fused) | |
235 | return false; | |
236 | ||
237 | return arch->ins_is_fused(arch, ins1, ins2); | |
238 | } | |
239 | ||
85a84e4f | 240 | static int call__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
d86b0597 | 241 | { |
d2232885 | 242 | char *endptr, *tok, *name; |
85a84e4f | 243 | struct map *map = ms->map; |
696703af ACM |
244 | struct addr_map_symbol target = { |
245 | .map = map, | |
246 | }; | |
d2232885 | 247 | |
44d1a3ed | 248 | ops->target.addr = strtoull(ops->raw, &endptr, 16); |
d2232885 ACM |
249 | |
250 | name = strchr(endptr, '<'); | |
251 | if (name == NULL) | |
252 | goto indirect_call; | |
253 | ||
254 | name++; | |
255 | ||
9c2fb451 ACM |
256 | if (arch->objdump.skip_functions_char && |
257 | strchr(name, arch->objdump.skip_functions_char)) | |
cfef25b8 | 258 | return -1; |
cfef25b8 | 259 | |
d2232885 ACM |
260 | tok = strchr(name, '>'); |
261 | if (tok == NULL) | |
262 | return -1; | |
263 | ||
264 | *tok = '\0'; | |
44d1a3ed | 265 | ops->target.name = strdup(name); |
d2232885 ACM |
266 | *tok = '>'; |
267 | ||
696703af ACM |
268 | if (ops->target.name == NULL) |
269 | return -1; | |
270 | find_target: | |
271 | target.addr = map__objdump_2mem(map, ops->target.addr); | |
d2232885 | 272 | |
696703af ACM |
273 | if (map_groups__find_ams(&target) == 0 && |
274 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
275 | ops->target.sym = target.sym; | |
e8ea1561 | 276 | |
d86b0597 | 277 | return 0; |
696703af ACM |
278 | |
279 | indirect_call: | |
280 | tok = strchr(endptr, '*'); | |
1dc27f63 ML |
281 | if (tok != NULL) { |
282 | endptr++; | |
283 | ||
284 | /* Indirect call can use a non-rip register and offset: callq *0x8(%rbx). | |
285 | * Do not parse such instruction. */ | |
286 | if (strstr(endptr, "(%r") == NULL) | |
287 | ops->target.addr = strtoull(endptr, NULL, 16); | |
288 | } | |
696703af | 289 | goto find_target; |
d86b0597 ACM |
290 | } |
291 | ||
d2232885 | 292 | static int call__scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 293 | struct ins_operands *ops, int max_ins_name) |
d2232885 | 294 | { |
696703af | 295 | if (ops->target.sym) |
bc3bb795 | 296 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); |
d2232885 | 297 | |
e8ea1561 | 298 | if (ops->target.addr == 0) |
bc3bb795 | 299 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
e8ea1561 | 300 | |
4c9cb2c2 | 301 | if (ops->target.name) |
bc3bb795 | 302 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.name); |
4c9cb2c2 | 303 | |
bc3bb795 | 304 | return scnprintf(bf, size, "%-*s *%" PRIx64, max_ins_name, ins->name, ops->target.addr); |
d2232885 ACM |
305 | } |
306 | ||
d86b0597 | 307 | static struct ins_ops call_ops = { |
d2232885 ACM |
308 | .parse = call__parse, |
309 | .scnprintf = call__scnprintf, | |
d86b0597 ACM |
310 | }; |
311 | ||
312 | bool ins__is_call(const struct ins *ins) | |
313 | { | |
0b58a77c | 314 | return ins->ops == &call_ops || ins->ops == &s390_call_ops; |
d86b0597 ACM |
315 | } |
316 | ||
4e67b2a5 KP |
317 | /* |
318 | * Prevents from matching commas in the comment section, e.g.: | |
319 | * ffff200008446e70: b.cs ffff2000084470f4 <generic_exec_single+0x314> // b.hs, b.nlast | |
320 | */ | |
321 | static inline const char *validate_comma(const char *c, struct ins_operands *ops) | |
322 | { | |
323 | if (ops->raw_comment && c > ops->raw_comment) | |
324 | return NULL; | |
325 | ||
326 | return c; | |
327 | } | |
328 | ||
329 | static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) | |
4f9d0325 | 330 | { |
751b1783 ACM |
331 | struct map *map = ms->map; |
332 | struct symbol *sym = ms->sym; | |
333 | struct addr_map_symbol target = { | |
334 | .map = map, | |
335 | }; | |
3ee2eb6d | 336 | const char *c = strchr(ops->raw, ','); |
751b1783 | 337 | u64 start, end; |
4e67b2a5 KP |
338 | |
339 | ops->raw_comment = strchr(ops->raw, arch->objdump.comment_char); | |
340 | c = validate_comma(c, ops); | |
341 | ||
751b1783 ACM |
342 | /* |
343 | * Examples of lines to parse for the _cpp_lex_token@@Base | |
344 | * function: | |
345 | * | |
346 | * 1159e6c: jne 115aa32 <_cpp_lex_token@@Base+0xf92> | |
347 | * 1159e8b: jne c469be <cpp_named_operator2name@@Base+0xa72> | |
348 | * | |
349 | * The first is a jump to an offset inside the same function, | |
350 | * the second is to another function, i.e. that 0xa72 is an | |
351 | * offset in the cpp_named_operator2name@@base function. | |
352 | */ | |
b13bbeee KP |
353 | /* |
354 | * skip over possible up to 2 operands to get to address, e.g.: | |
355 | * tbnz w0, #26, ffff0000083cd190 <security_file_permission+0xd0> | |
356 | */ | |
357 | if (c++ != NULL) { | |
3ee2eb6d | 358 | ops->target.addr = strtoull(c, NULL, 16); |
b13bbeee KP |
359 | if (!ops->target.addr) { |
360 | c = strchr(c, ','); | |
4e67b2a5 | 361 | c = validate_comma(c, ops); |
b13bbeee KP |
362 | if (c++ != NULL) |
363 | ops->target.addr = strtoull(c, NULL, 16); | |
364 | } | |
365 | } else { | |
3ee2eb6d | 366 | ops->target.addr = strtoull(ops->raw, NULL, 16); |
b13bbeee | 367 | } |
fb29fa58 | 368 | |
751b1783 ACM |
369 | target.addr = map__objdump_2mem(map, ops->target.addr); |
370 | start = map->unmap_ip(map, sym->start), | |
371 | end = map->unmap_ip(map, sym->end); | |
372 | ||
373 | ops->target.outside = target.addr < start || target.addr > end; | |
374 | ||
375 | /* | |
376 | * FIXME: things like this in _cpp_lex_token (gcc's cc1 program): | |
377 | ||
378 | cpp_named_operator2name@@Base+0xa72 | |
379 | ||
380 | * Point to a place that is after the cpp_named_operator2name | |
381 | * boundaries, i.e. in the ELF symbol table for cc1 | |
382 | * cpp_named_operator2name is marked as being 32-bytes long, but it in | |
383 | * fact is much larger than that, so we seem to need a symbols__find() | |
384 | * routine that looks for >= current->start and < next_symbol->start, | |
385 | * possibly just for C++ objects? | |
386 | * | |
387 | * For now lets just make some progress by marking jumps to outside the | |
388 | * current function as call like. | |
389 | * | |
390 | * Actual navigation will come next, with further understanding of how | |
391 | * the symbol searching and disassembly should be done. | |
e4cc91b8 | 392 | */ |
751b1783 ACM |
393 | if (map_groups__find_ams(&target) == 0 && |
394 | map__rip_2objdump(target.map, map->map_ip(target.map, target.addr)) == ops->target.addr) | |
395 | ops->target.sym = target.sym; | |
751b1783 | 396 | |
980b68ec ACM |
397 | if (!ops->target.outside) { |
398 | ops->target.offset = target.addr - start; | |
e216874c RB |
399 | ops->target.offset_avail = true; |
400 | } else { | |
401 | ops->target.offset_avail = false; | |
402 | } | |
4f9d0325 | 403 | |
4f9d0325 ACM |
404 | return 0; |
405 | } | |
406 | ||
c7e6ead7 | 407 | static int jump__scnprintf(struct ins *ins, char *bf, size_t size, |
bc3bb795 | 408 | struct ins_operands *ops, int max_ins_name) |
28548d78 | 409 | { |
c448234c | 410 | const char *c; |
b13bbeee | 411 | |
e216874c | 412 | if (!ops->target.addr || ops->target.offset < 0) |
bc3bb795 | 413 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
bec60e50 | 414 | |
e4cc91b8 | 415 | if (ops->target.outside && ops->target.sym != NULL) |
bc3bb795 | 416 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, ops->target.sym->name); |
e4cc91b8 | 417 | |
c448234c | 418 | c = strchr(ops->raw, ','); |
4e67b2a5 KP |
419 | c = validate_comma(c, ops); |
420 | ||
b13bbeee KP |
421 | if (c != NULL) { |
422 | const char *c2 = strchr(c + 1, ','); | |
423 | ||
4e67b2a5 | 424 | c2 = validate_comma(c2, ops); |
b13bbeee KP |
425 | /* check for 3-op insn */ |
426 | if (c2 != NULL) | |
427 | c = c2; | |
428 | c++; | |
429 | ||
430 | /* mirror arch objdump's space-after-comma style */ | |
431 | if (*c == ' ') | |
432 | c++; | |
433 | } | |
434 | ||
bc3bb795 | 435 | return scnprintf(bf, size, "%-*s %.*s%" PRIx64, max_ins_name, |
b13bbeee KP |
436 | ins->name, c ? c - ops->raw : 0, ops->raw, |
437 | ops->target.offset); | |
28548d78 ACM |
438 | } |
439 | ||
4f9d0325 | 440 | static struct ins_ops jump_ops = { |
c7e6ead7 ACM |
441 | .parse = jump__parse, |
442 | .scnprintf = jump__scnprintf, | |
4f9d0325 ACM |
443 | }; |
444 | ||
445 | bool ins__is_jump(const struct ins *ins) | |
446 | { | |
447 | return ins->ops == &jump_ops; | |
448 | } | |
449 | ||
6de783b6 ACM |
450 | static int comment__symbol(char *raw, char *comment, u64 *addrp, char **namep) |
451 | { | |
452 | char *endptr, *name, *t; | |
453 | ||
454 | if (strstr(raw, "(%rip)") == NULL) | |
455 | return 0; | |
456 | ||
457 | *addrp = strtoull(comment, &endptr, 16); | |
35a8a148 TR |
458 | if (endptr == comment) |
459 | return 0; | |
6de783b6 ACM |
460 | name = strchr(endptr, '<'); |
461 | if (name == NULL) | |
462 | return -1; | |
463 | ||
464 | name++; | |
465 | ||
466 | t = strchr(name, '>'); | |
467 | if (t == NULL) | |
468 | return 0; | |
469 | ||
470 | *t = '\0'; | |
471 | *namep = strdup(name); | |
472 | *t = '>'; | |
473 | ||
474 | return 0; | |
475 | } | |
476 | ||
85a84e4f | 477 | static int lock__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms) |
7a997fe4 | 478 | { |
7a997fe4 ACM |
479 | ops->locked.ops = zalloc(sizeof(*ops->locked.ops)); |
480 | if (ops->locked.ops == NULL) | |
481 | return 0; | |
482 | ||
75b49202 | 483 | if (disasm_line__parse(ops->raw, &ops->locked.ins.name, &ops->locked.ops->raw) < 0) |
7a997fe4 ACM |
484 | goto out_free_ops; |
485 | ||
75b49202 | 486 | ops->locked.ins.ops = ins__find(arch, ops->locked.ins.name); |
0fb9f2aa | 487 | |
75b49202 | 488 | if (ops->locked.ins.ops == NULL) |
2ba34aaa | 489 | goto out_free_ops; |
7a997fe4 | 490 | |
75b49202 | 491 | if (ops->locked.ins.ops->parse && |
85a84e4f | 492 | ops->locked.ins.ops->parse(arch, ops->locked.ops, ms) < 0) |
be81908c | 493 | goto out_free_ops; |
7a997fe4 ACM |
494 | |
495 | return 0; | |
496 | ||
497 | out_free_ops: | |
04662523 | 498 | zfree(&ops->locked.ops); |
7a997fe4 ACM |
499 | return 0; |
500 | } | |
501 | ||
502 | static int lock__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 503 | struct ins_operands *ops, int max_ins_name) |
7a997fe4 ACM |
504 | { |
505 | int printed; | |
506 | ||
75b49202 | 507 | if (ops->locked.ins.ops == NULL) |
bc3bb795 | 508 | return ins__raw_scnprintf(ins, bf, size, ops, max_ins_name); |
7a997fe4 | 509 | |
bc3bb795 | 510 | printed = scnprintf(bf, size, "%-*s ", max_ins_name, ins->name); |
75b49202 | 511 | return printed + ins__scnprintf(&ops->locked.ins, bf + printed, |
bc3bb795 | 512 | size - printed, ops->locked.ops, max_ins_name); |
7a997fe4 ACM |
513 | } |
514 | ||
c46219ac ACM |
515 | static void lock__delete(struct ins_operands *ops) |
516 | { | |
75b49202 | 517 | struct ins *ins = &ops->locked.ins; |
0fb9f2aa | 518 | |
75b49202 | 519 | if (ins->ops && ins->ops->free) |
0fb9f2aa RV |
520 | ins->ops->free(ops->locked.ops); |
521 | else | |
522 | ins__delete(ops->locked.ops); | |
523 | ||
74cf249d ACM |
524 | zfree(&ops->locked.ops); |
525 | zfree(&ops->target.raw); | |
526 | zfree(&ops->target.name); | |
c46219ac ACM |
527 | } |
528 | ||
7a997fe4 | 529 | static struct ins_ops lock_ops = { |
c46219ac | 530 | .free = lock__delete, |
7a997fe4 ACM |
531 | .parse = lock__parse, |
532 | .scnprintf = lock__scnprintf, | |
533 | }; | |
534 | ||
85a84e4f | 535 | static int mov__parse(struct arch *arch, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
6de783b6 ACM |
536 | { |
537 | char *s = strchr(ops->raw, ','), *target, *comment, prev; | |
538 | ||
539 | if (s == NULL) | |
540 | return -1; | |
541 | ||
542 | *s = '\0'; | |
543 | ops->source.raw = strdup(ops->raw); | |
544 | *s = ','; | |
48000a1a | 545 | |
6de783b6 ACM |
546 | if (ops->source.raw == NULL) |
547 | return -1; | |
548 | ||
549 | target = ++s; | |
786c1b51 | 550 | comment = strchr(s, arch->objdump.comment_char); |
1e2bb043 AC |
551 | |
552 | if (comment != NULL) | |
553 | s = comment - 1; | |
554 | else | |
555 | s = strchr(s, '\0') - 1; | |
6de783b6 | 556 | |
1e2bb043 AC |
557 | while (s > target && isspace(s[0])) |
558 | --s; | |
559 | s++; | |
6de783b6 ACM |
560 | prev = *s; |
561 | *s = '\0'; | |
562 | ||
563 | ops->target.raw = strdup(target); | |
564 | *s = prev; | |
565 | ||
566 | if (ops->target.raw == NULL) | |
567 | goto out_free_source; | |
568 | ||
6de783b6 ACM |
569 | if (comment == NULL) |
570 | return 0; | |
571 | ||
32858480 | 572 | comment = skip_spaces(comment); |
35a8a148 TR |
573 | comment__symbol(ops->source.raw, comment + 1, &ops->source.addr, &ops->source.name); |
574 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); | |
6de783b6 ACM |
575 | |
576 | return 0; | |
577 | ||
578 | out_free_source: | |
04662523 | 579 | zfree(&ops->source.raw); |
6de783b6 ACM |
580 | return -1; |
581 | } | |
582 | ||
583 | static int mov__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 584 | struct ins_operands *ops, int max_ins_name) |
6de783b6 | 585 | { |
bc3bb795 | 586 | return scnprintf(bf, size, "%-*s %s,%s", max_ins_name, ins->name, |
6de783b6 ACM |
587 | ops->source.name ?: ops->source.raw, |
588 | ops->target.name ?: ops->target.raw); | |
589 | } | |
590 | ||
591 | static struct ins_ops mov_ops = { | |
592 | .parse = mov__parse, | |
593 | .scnprintf = mov__scnprintf, | |
594 | }; | |
595 | ||
85a84e4f | 596 | static int dec__parse(struct arch *arch __maybe_unused, struct ins_operands *ops, struct map_symbol *ms __maybe_unused) |
a43712c4 ACM |
597 | { |
598 | char *target, *comment, *s, prev; | |
599 | ||
600 | target = s = ops->raw; | |
601 | ||
602 | while (s[0] != '\0' && !isspace(s[0])) | |
603 | ++s; | |
604 | prev = *s; | |
605 | *s = '\0'; | |
606 | ||
607 | ops->target.raw = strdup(target); | |
608 | *s = prev; | |
609 | ||
610 | if (ops->target.raw == NULL) | |
611 | return -1; | |
612 | ||
859afa6c | 613 | comment = strchr(s, arch->objdump.comment_char); |
a43712c4 ACM |
614 | if (comment == NULL) |
615 | return 0; | |
616 | ||
32858480 | 617 | comment = skip_spaces(comment); |
35a8a148 | 618 | comment__symbol(ops->target.raw, comment + 1, &ops->target.addr, &ops->target.name); |
a43712c4 ACM |
619 | |
620 | return 0; | |
621 | } | |
622 | ||
623 | static int dec__scnprintf(struct ins *ins, char *bf, size_t size, | |
bc3bb795 | 624 | struct ins_operands *ops, int max_ins_name) |
a43712c4 | 625 | { |
bc3bb795 | 626 | return scnprintf(bf, size, "%-*s %s", max_ins_name, ins->name, |
a43712c4 ACM |
627 | ops->target.name ?: ops->target.raw); |
628 | } | |
629 | ||
630 | static struct ins_ops dec_ops = { | |
631 | .parse = dec__parse, | |
632 | .scnprintf = dec__scnprintf, | |
633 | }; | |
634 | ||
1d037ca1 | 635 | static int nop__scnprintf(struct ins *ins __maybe_unused, char *bf, size_t size, |
bc3bb795 | 636 | struct ins_operands *ops __maybe_unused, int max_ins_name) |
b9818e93 | 637 | { |
bc3bb795 | 638 | return scnprintf(bf, size, "%-*s", max_ins_name, "nop"); |
b9818e93 ACM |
639 | } |
640 | ||
641 | static struct ins_ops nop_ops = { | |
642 | .scnprintf = nop__scnprintf, | |
643 | }; | |
644 | ||
6ef94929 NR |
645 | static struct ins_ops ret_ops = { |
646 | .scnprintf = ins__raw_scnprintf, | |
647 | }; | |
648 | ||
649 | bool ins__is_ret(const struct ins *ins) | |
650 | { | |
651 | return ins->ops == &ret_ops; | |
652 | } | |
653 | ||
7e63a13a JY |
654 | bool ins__is_lock(const struct ins *ins) |
655 | { | |
656 | return ins->ops == &lock_ops; | |
657 | } | |
658 | ||
7e4c1498 | 659 | static int ins__key_cmp(const void *name, const void *insp) |
4f9d0325 ACM |
660 | { |
661 | const struct ins *ins = insp; | |
662 | ||
663 | return strcmp(name, ins->name); | |
664 | } | |
665 | ||
7e4c1498 CR |
666 | static int ins__cmp(const void *a, const void *b) |
667 | { | |
668 | const struct ins *ia = a; | |
669 | const struct ins *ib = b; | |
670 | ||
671 | return strcmp(ia->name, ib->name); | |
672 | } | |
673 | ||
763d8960 | 674 | static void ins__sort(struct arch *arch) |
7e4c1498 | 675 | { |
763d8960 | 676 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 677 | |
763d8960 | 678 | qsort(arch->instructions, nmemb, sizeof(struct ins), ins__cmp); |
7e4c1498 CR |
679 | } |
680 | ||
2a1ff812 | 681 | static struct ins_ops *__ins__find(struct arch *arch, const char *name) |
4f9d0325 | 682 | { |
75b49202 | 683 | struct ins *ins; |
763d8960 | 684 | const int nmemb = arch->nr_instructions; |
7e4c1498 | 685 | |
763d8960 ACM |
686 | if (!arch->sorted_instructions) { |
687 | ins__sort(arch); | |
688 | arch->sorted_instructions = true; | |
7e4c1498 | 689 | } |
4f9d0325 | 690 | |
75b49202 ACM |
691 | ins = bsearch(name, arch->instructions, nmemb, sizeof(struct ins), ins__key_cmp); |
692 | return ins ? ins->ops : NULL; | |
4f9d0325 ACM |
693 | } |
694 | ||
2a1ff812 ACM |
695 | static struct ins_ops *ins__find(struct arch *arch, const char *name) |
696 | { | |
697 | struct ins_ops *ops = __ins__find(arch, name); | |
698 | ||
699 | if (!ops && arch->associate_instruction_ops) | |
700 | ops = arch->associate_instruction_ops(arch, name); | |
701 | ||
702 | return ops; | |
703 | } | |
704 | ||
786c1b51 ACM |
705 | static int arch__key_cmp(const void *name, const void *archp) |
706 | { | |
707 | const struct arch *arch = archp; | |
708 | ||
709 | return strcmp(name, arch->name); | |
710 | } | |
711 | ||
712 | static int arch__cmp(const void *a, const void *b) | |
713 | { | |
714 | const struct arch *aa = a; | |
715 | const struct arch *ab = b; | |
716 | ||
717 | return strcmp(aa->name, ab->name); | |
718 | } | |
719 | ||
720 | static void arch__sort(void) | |
721 | { | |
722 | const int nmemb = ARRAY_SIZE(architectures); | |
723 | ||
724 | qsort(architectures, nmemb, sizeof(struct arch), arch__cmp); | |
725 | } | |
726 | ||
727 | static struct arch *arch__find(const char *name) | |
728 | { | |
729 | const int nmemb = ARRAY_SIZE(architectures); | |
730 | static bool sorted; | |
731 | ||
732 | if (!sorted) { | |
733 | arch__sort(); | |
734 | sorted = true; | |
735 | } | |
736 | ||
737 | return bsearch(name, architectures, nmemb, sizeof(struct arch), arch__key_cmp); | |
738 | } | |
739 | ||
ca396503 ACM |
740 | static struct annotated_source *annotated_source__new(void) |
741 | { | |
742 | struct annotated_source *src = zalloc(sizeof(*src)); | |
743 | ||
744 | if (src != NULL) | |
745 | INIT_LIST_HEAD(&src->source); | |
746 | ||
747 | return src; | |
748 | } | |
749 | ||
14c8dde1 | 750 | static __maybe_unused void annotated_source__delete(struct annotated_source *src) |
ca396503 ACM |
751 | { |
752 | if (src == NULL) | |
753 | return; | |
754 | zfree(&src->histograms); | |
755 | zfree(&src->cycles_hist); | |
756 | free(src); | |
757 | } | |
758 | ||
be3e26d9 ACM |
759 | static int annotated_source__alloc_histograms(struct annotated_source *src, |
760 | size_t size, int nr_hists) | |
ce6f4fab | 761 | { |
8696329b CS |
762 | size_t sizeof_sym_hist; |
763 | ||
331c7cb3 RB |
764 | /* |
765 | * Add buffer of one element for zero length symbol. | |
766 | * When sample is taken from first instruction of | |
767 | * zero length symbol, perf still resolves it and | |
768 | * shows symbol name in perf report and allows to | |
769 | * annotate it. | |
770 | */ | |
771 | if (size == 0) | |
772 | size = 1; | |
773 | ||
8696329b | 774 | /* Check for overflow when calculating sizeof_sym_hist */ |
896bccd3 | 775 | if (size > (SIZE_MAX - sizeof(struct sym_hist)) / sizeof(struct sym_hist_entry)) |
8696329b CS |
776 | return -1; |
777 | ||
896bccd3 | 778 | sizeof_sym_hist = (sizeof(struct sym_hist) + size * sizeof(struct sym_hist_entry)); |
8696329b CS |
779 | |
780 | /* Check for overflow in zalloc argument */ | |
be3e26d9 | 781 | if (sizeof_sym_hist > SIZE_MAX / nr_hists) |
8696329b | 782 | return -1; |
ce6f4fab | 783 | |
be3e26d9 ACM |
784 | src->sizeof_sym_hist = sizeof_sym_hist; |
785 | src->nr_histograms = nr_hists; | |
786 | src->histograms = calloc(nr_hists, sizeof_sym_hist) ; | |
787 | return src->histograms ? 0 : -1; | |
788 | } | |
789 | ||
d4957633 AK |
790 | /* The cycles histogram is lazily allocated. */ |
791 | static int symbol__alloc_hist_cycles(struct symbol *sym) | |
792 | { | |
793 | struct annotation *notes = symbol__annotation(sym); | |
794 | const size_t size = symbol__size(sym); | |
795 | ||
796 | notes->src->cycles_hist = calloc(size, sizeof(struct cyc_hist)); | |
797 | if (notes->src->cycles_hist == NULL) | |
798 | return -1; | |
799 | return 0; | |
800 | } | |
801 | ||
36532461 ACM |
802 | void symbol__annotate_zero_histograms(struct symbol *sym) |
803 | { | |
804 | struct annotation *notes = symbol__annotation(sym); | |
805 | ||
ce6f4fab | 806 | pthread_mutex_lock(¬es->lock); |
d4957633 | 807 | if (notes->src != NULL) { |
ce6f4fab ACM |
808 | memset(notes->src->histograms, 0, |
809 | notes->src->nr_histograms * notes->src->sizeof_sym_hist); | |
d4957633 AK |
810 | if (notes->src->cycles_hist) |
811 | memset(notes->src->cycles_hist, 0, | |
812 | symbol__size(sym) * sizeof(struct cyc_hist)); | |
813 | } | |
ce6f4fab | 814 | pthread_mutex_unlock(¬es->lock); |
36532461 ACM |
815 | } |
816 | ||
f40dd6d1 | 817 | static int __symbol__account_cycles(struct cyc_hist *ch, |
d4957633 AK |
818 | u64 start, |
819 | unsigned offset, unsigned cycles, | |
820 | unsigned have_start) | |
821 | { | |
d4957633 AK |
822 | /* |
823 | * For now we can only account one basic block per | |
824 | * final jump. But multiple could be overlapping. | |
825 | * Always account the longest one. So when | |
826 | * a shorter one has been already seen throw it away. | |
827 | * | |
828 | * We separately always account the full cycles. | |
829 | */ | |
830 | ch[offset].num_aggr++; | |
831 | ch[offset].cycles_aggr += cycles; | |
832 | ||
48659ebf JY |
833 | if (cycles > ch[offset].cycles_max) |
834 | ch[offset].cycles_max = cycles; | |
835 | ||
836 | if (ch[offset].cycles_min) { | |
837 | if (cycles && cycles < ch[offset].cycles_min) | |
838 | ch[offset].cycles_min = cycles; | |
839 | } else | |
840 | ch[offset].cycles_min = cycles; | |
841 | ||
d4957633 AK |
842 | if (!have_start && ch[offset].have_start) |
843 | return 0; | |
844 | if (ch[offset].num) { | |
845 | if (have_start && (!ch[offset].have_start || | |
846 | ch[offset].start > start)) { | |
847 | ch[offset].have_start = 0; | |
848 | ch[offset].cycles = 0; | |
849 | ch[offset].num = 0; | |
850 | if (ch[offset].reset < 0xffff) | |
851 | ch[offset].reset++; | |
852 | } else if (have_start && | |
853 | ch[offset].start < start) | |
854 | return 0; | |
855 | } | |
856 | ch[offset].have_start = have_start; | |
857 | ch[offset].start = start; | |
858 | ch[offset].cycles += cycles; | |
859 | ch[offset].num++; | |
860 | return 0; | |
861 | } | |
862 | ||
b66d8c0c | 863 | static int __symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
e1a91a83 | 864 | struct annotated_source *src, int evidx, u64 addr, |
461c17f0 | 865 | struct perf_sample *sample) |
78f7defe | 866 | { |
2f525d01 | 867 | unsigned offset; |
78f7defe ACM |
868 | struct sym_hist *h; |
869 | ||
78f7defe ACM |
870 | pr_debug3("%s: addr=%#" PRIx64 "\n", __func__, map->unmap_ip(map, addr)); |
871 | ||
edee44be RB |
872 | if ((addr < sym->start || addr >= sym->end) && |
873 | (addr != sym->end || sym->start != sym->end)) { | |
e3d006ce ACM |
874 | pr_debug("%s(%d): ERANGE! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 "\n", |
875 | __func__, __LINE__, sym->name, sym->start, addr, sym->end); | |
31d68e7b | 876 | return -ERANGE; |
e3d006ce | 877 | } |
78f7defe | 878 | |
2f525d01 | 879 | offset = addr - sym->start; |
e1a91a83 | 880 | h = annotated_source__histogram(src, evidx); |
8d628d26 ACM |
881 | if (h == NULL) { |
882 | pr_debug("%s(%d): ENOMEM! sym->name=%s, start=%#" PRIx64 ", addr=%#" PRIx64 ", end=%#" PRIx64 ", func: %d\n", | |
883 | __func__, __LINE__, sym->name, sym->start, addr, sym->end, sym->type == STT_FUNC); | |
884 | return -ENOMEM; | |
885 | } | |
8158683d | 886 | h->nr_samples++; |
896bccd3 | 887 | h->addr[offset].nr_samples++; |
461c17f0 TS |
888 | h->period += sample->period; |
889 | h->addr[offset].period += sample->period; | |
78f7defe ACM |
890 | |
891 | pr_debug3("%#" PRIx64 " %s: period++ [addr: %#" PRIx64 ", %#" PRIx64 | |
461c17f0 TS |
892 | ", evidx=%d] => nr_samples: %" PRIu64 ", period: %" PRIu64 "\n", |
893 | sym->start, sym->name, addr, addr - sym->start, evidx, | |
894 | h->addr[offset].nr_samples, h->addr[offset].period); | |
78f7defe ACM |
895 | return 0; |
896 | } | |
897 | ||
c6b635ee | 898 | static struct cyc_hist *symbol__cycles_hist(struct symbol *sym) |
83be34a7 AK |
899 | { |
900 | struct annotation *notes = symbol__annotation(sym); | |
901 | ||
902 | if (notes->src == NULL) { | |
c6b635ee ACM |
903 | notes->src = annotated_source__new(); |
904 | if (notes->src == NULL) | |
83be34a7 | 905 | return NULL; |
c6b635ee | 906 | goto alloc_cycles_hist; |
83be34a7 | 907 | } |
c6b635ee ACM |
908 | |
909 | if (!notes->src->cycles_hist) { | |
910 | alloc_cycles_hist: | |
911 | symbol__alloc_hist_cycles(sym); | |
d4957633 | 912 | } |
c6b635ee ACM |
913 | |
914 | return notes->src->cycles_hist; | |
83be34a7 AK |
915 | } |
916 | ||
14c8dde1 | 917 | struct annotated_source *symbol__hists(struct symbol *sym, int nr_hists) |
e8ea922a ACM |
918 | { |
919 | struct annotation *notes = symbol__annotation(sym); | |
920 | ||
921 | if (notes->src == NULL) { | |
922 | notes->src = annotated_source__new(); | |
923 | if (notes->src == NULL) | |
924 | return NULL; | |
925 | goto alloc_histograms; | |
926 | } | |
927 | ||
928 | if (notes->src->histograms == NULL) { | |
929 | alloc_histograms: | |
930 | annotated_source__alloc_histograms(notes->src, symbol__size(sym), | |
0693f758 | 931 | nr_hists); |
e8ea922a ACM |
932 | } |
933 | ||
934 | return notes->src; | |
935 | } | |
936 | ||
44e83039 | 937 | static int symbol__inc_addr_samples(struct symbol *sym, struct map *map, |
32dcd021 | 938 | struct evsel *evsel, u64 addr, |
bab89f6a | 939 | struct perf_sample *sample) |
b66d8c0c | 940 | { |
e8ea922a | 941 | struct annotated_source *src; |
b66d8c0c | 942 | |
48c65bda | 943 | if (sym == NULL) |
b66d8c0c | 944 | return 0; |
6484d2f9 | 945 | src = symbol__hists(sym, evsel->evlist->core.nr_entries); |
8a07aa4e TR |
946 | return (src) ? __symbol__inc_addr_samples(sym, map, src, evsel->idx, |
947 | addr, sample) : 0; | |
b66d8c0c ACM |
948 | } |
949 | ||
d4957633 AK |
950 | static int symbol__account_cycles(u64 addr, u64 start, |
951 | struct symbol *sym, unsigned cycles) | |
952 | { | |
c6b635ee | 953 | struct cyc_hist *cycles_hist; |
d4957633 AK |
954 | unsigned offset; |
955 | ||
956 | if (sym == NULL) | |
957 | return 0; | |
c6b635ee ACM |
958 | cycles_hist = symbol__cycles_hist(sym); |
959 | if (cycles_hist == NULL) | |
d4957633 AK |
960 | return -ENOMEM; |
961 | if (addr < sym->start || addr >= sym->end) | |
962 | return -ERANGE; | |
963 | ||
964 | if (start) { | |
965 | if (start < sym->start || start >= sym->end) | |
966 | return -ERANGE; | |
967 | if (start >= addr) | |
968 | start = 0; | |
969 | } | |
970 | offset = addr - sym->start; | |
c6b635ee | 971 | return __symbol__account_cycles(cycles_hist, |
d4957633 AK |
972 | start ? start - sym->start : 0, |
973 | offset, cycles, | |
974 | !!start); | |
975 | } | |
976 | ||
977 | int addr_map_symbol__account_cycles(struct addr_map_symbol *ams, | |
978 | struct addr_map_symbol *start, | |
979 | unsigned cycles) | |
980 | { | |
3d7245b0 | 981 | u64 saddr = 0; |
d4957633 AK |
982 | int err; |
983 | ||
984 | if (!cycles) | |
985 | return 0; | |
986 | ||
987 | /* | |
988 | * Only set start when IPC can be computed. We can only | |
989 | * compute it when the basic block is completely in a single | |
990 | * function. | |
991 | * Special case the case when the jump is elsewhere, but | |
992 | * it starts on the function start. | |
993 | */ | |
994 | if (start && | |
995 | (start->sym == ams->sym || | |
996 | (ams->sym && | |
997 | start->addr == ams->sym->start + ams->map->start))) | |
998 | saddr = start->al_addr; | |
999 | if (saddr == 0) | |
3d7245b0 | 1000 | pr_debug2("BB with bad start: addr %"PRIx64" start %"PRIx64" sym %"PRIx64" saddr %"PRIx64"\n", |
d4957633 AK |
1001 | ams->addr, |
1002 | start ? start->addr : 0, | |
1003 | ams->sym ? ams->sym->start + ams->map->start : 0, | |
1004 | saddr); | |
1005 | err = symbol__account_cycles(ams->al_addr, saddr, ams->sym, cycles); | |
1006 | if (err) | |
1007 | pr_debug2("account_cycles failed %d\n", err); | |
1008 | return err; | |
1009 | } | |
1010 | ||
f56c083b ACM |
1011 | static unsigned annotation__count_insn(struct annotation *notes, u64 start, u64 end) |
1012 | { | |
1013 | unsigned n_insn = 0; | |
1014 | u64 offset; | |
1015 | ||
1016 | for (offset = start; offset <= end; offset++) { | |
1017 | if (notes->offsets[offset]) | |
1018 | n_insn++; | |
1019 | } | |
1020 | return n_insn; | |
1021 | } | |
1022 | ||
1023 | static void annotation__count_and_fill(struct annotation *notes, u64 start, u64 end, struct cyc_hist *ch) | |
1024 | { | |
1025 | unsigned n_insn; | |
ace4f8fa | 1026 | unsigned int cover_insn = 0; |
f56c083b ACM |
1027 | u64 offset; |
1028 | ||
1029 | n_insn = annotation__count_insn(notes, start, end); | |
1030 | if (n_insn && ch->num && ch->cycles) { | |
1031 | float ipc = n_insn / ((double)ch->cycles / (double)ch->num); | |
1032 | ||
1033 | /* Hide data when there are too many overlaps. */ | |
bdd1666b | 1034 | if (ch->reset >= 0x7fff) |
f56c083b ACM |
1035 | return; |
1036 | ||
1037 | for (offset = start; offset <= end; offset++) { | |
1038 | struct annotation_line *al = notes->offsets[offset]; | |
1039 | ||
ace4f8fa | 1040 | if (al && al->ipc == 0.0) { |
f56c083b | 1041 | al->ipc = ipc; |
ace4f8fa JY |
1042 | cover_insn++; |
1043 | } | |
1044 | } | |
1045 | ||
1046 | if (cover_insn) { | |
1047 | notes->hit_cycles += ch->cycles; | |
1048 | notes->hit_insn += n_insn * ch->num; | |
1049 | notes->cover_insn += cover_insn; | |
f56c083b ACM |
1050 | } |
1051 | } | |
1052 | } | |
1053 | ||
1054 | void annotation__compute_ipc(struct annotation *notes, size_t size) | |
1055 | { | |
ace4f8fa | 1056 | s64 offset; |
f56c083b ACM |
1057 | |
1058 | if (!notes->src || !notes->src->cycles_hist) | |
1059 | return; | |
1060 | ||
ace4f8fa JY |
1061 | notes->total_insn = annotation__count_insn(notes, 0, size - 1); |
1062 | notes->hit_cycles = 0; | |
1063 | notes->hit_insn = 0; | |
1064 | notes->cover_insn = 0; | |
1065 | ||
f56c083b | 1066 | pthread_mutex_lock(¬es->lock); |
ace4f8fa | 1067 | for (offset = size - 1; offset >= 0; --offset) { |
f56c083b ACM |
1068 | struct cyc_hist *ch; |
1069 | ||
1070 | ch = ¬es->src->cycles_hist[offset]; | |
1071 | if (ch && ch->cycles) { | |
1072 | struct annotation_line *al; | |
1073 | ||
1074 | if (ch->have_start) | |
1075 | annotation__count_and_fill(notes, ch->start, offset, ch); | |
1076 | al = notes->offsets[offset]; | |
48659ebf | 1077 | if (al && ch->num_aggr) { |
f56c083b | 1078 | al->cycles = ch->cycles_aggr / ch->num_aggr; |
48659ebf JY |
1079 | al->cycles_max = ch->cycles_max; |
1080 | al->cycles_min = ch->cycles_min; | |
1081 | } | |
f56c083b ACM |
1082 | notes->have_cycles = true; |
1083 | } | |
1084 | } | |
1085 | pthread_mutex_unlock(¬es->lock); | |
1086 | } | |
1087 | ||
bab89f6a | 1088 | int addr_map_symbol__inc_samples(struct addr_map_symbol *ams, struct perf_sample *sample, |
32dcd021 | 1089 | struct evsel *evsel) |
0f4e7a24 | 1090 | { |
e345f3bd | 1091 | return symbol__inc_addr_samples(ams->sym, ams->map, evsel, ams->al_addr, sample); |
0f4e7a24 ACM |
1092 | } |
1093 | ||
bab89f6a | 1094 | int hist_entry__inc_addr_samples(struct hist_entry *he, struct perf_sample *sample, |
32dcd021 | 1095 | struct evsel *evsel, u64 ip) |
f626adff | 1096 | { |
e345f3bd | 1097 | return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evsel, ip, sample); |
f626adff ACM |
1098 | } |
1099 | ||
85a84e4f | 1100 | static void disasm_line__init_ins(struct disasm_line *dl, struct arch *arch, struct map_symbol *ms) |
4f9d0325 | 1101 | { |
75b49202 | 1102 | dl->ins.ops = ins__find(arch, dl->ins.name); |
4f9d0325 | 1103 | |
75b49202 | 1104 | if (!dl->ins.ops) |
4f9d0325 ACM |
1105 | return; |
1106 | ||
85a84e4f | 1107 | if (dl->ins.ops->parse && dl->ins.ops->parse(arch, &dl->ops, ms) < 0) |
75b49202 | 1108 | dl->ins.ops = NULL; |
4f9d0325 ACM |
1109 | } |
1110 | ||
75b49202 | 1111 | static int disasm_line__parse(char *line, const char **namep, char **rawp) |
7a997fe4 | 1112 | { |
32858480 | 1113 | char tmp, *name = skip_spaces(line); |
7a997fe4 ACM |
1114 | |
1115 | if (name[0] == '\0') | |
1116 | return -1; | |
1117 | ||
1118 | *rawp = name + 1; | |
1119 | ||
1120 | while ((*rawp)[0] != '\0' && !isspace((*rawp)[0])) | |
1121 | ++*rawp; | |
1122 | ||
1123 | tmp = (*rawp)[0]; | |
1124 | (*rawp)[0] = '\0'; | |
1125 | *namep = strdup(name); | |
1126 | ||
1127 | if (*namep == NULL) | |
600c787d | 1128 | goto out; |
7a997fe4 ACM |
1129 | |
1130 | (*rawp)[0] = tmp; | |
85127775 | 1131 | *rawp = strim(*rawp); |
7a997fe4 ACM |
1132 | |
1133 | return 0; | |
1134 | ||
600c787d | 1135 | out: |
7a997fe4 ACM |
1136 | return -1; |
1137 | } | |
1138 | ||
ea07c5aa JO |
1139 | struct annotate_args { |
1140 | size_t privsize; | |
24fe7b88 | 1141 | struct arch *arch; |
85a84e4f | 1142 | struct map_symbol ms; |
32dcd021 | 1143 | struct evsel *evsel; |
380195e2 | 1144 | struct annotation_options *options; |
4748834f JO |
1145 | s64 offset; |
1146 | char *line; | |
1147 | int line_nr; | |
ea07c5aa JO |
1148 | }; |
1149 | ||
c835e191 JO |
1150 | static void annotation_line__delete(struct annotation_line *al) |
1151 | { | |
1152 | void *ptr = (void *) al - al->privsize; | |
1153 | ||
8b4c74dc | 1154 | free_srcline(al->path); |
c835e191 JO |
1155 | zfree(&al->line); |
1156 | free(ptr); | |
1157 | } | |
1158 | ||
1159 | /* | |
1160 | * Allocating the annotation line data with following | |
1161 | * structure: | |
1162 | * | |
1163 | * -------------------------------------- | |
1164 | * private space | struct annotation_line | |
1165 | * -------------------------------------- | |
1166 | * | |
1167 | * Size of the private space is stored in 'struct annotation_line'. | |
1168 | * | |
1169 | */ | |
1170 | static struct annotation_line * | |
1171 | annotation_line__new(struct annotate_args *args, size_t privsize) | |
1172 | { | |
1173 | struct annotation_line *al; | |
32dcd021 | 1174 | struct evsel *evsel = args->evsel; |
c835e191 | 1175 | size_t size = privsize + sizeof(*al); |
7e304557 JO |
1176 | int nr = 1; |
1177 | ||
1178 | if (perf_evsel__is_group_event(evsel)) | |
5643b1a5 | 1179 | nr = evsel->core.nr_members; |
7e304557 | 1180 | |
c2f938ba | 1181 | size += sizeof(al->data[0]) * nr; |
c835e191 JO |
1182 | |
1183 | al = zalloc(size); | |
1184 | if (al) { | |
1185 | al = (void *) al + privsize; | |
1186 | al->privsize = privsize; | |
1187 | al->offset = args->offset; | |
1188 | al->line = strdup(args->line); | |
1189 | al->line_nr = args->line_nr; | |
c2f938ba | 1190 | al->data_nr = nr; |
c835e191 JO |
1191 | } |
1192 | ||
1193 | return al; | |
1194 | } | |
1195 | ||
1196 | /* | |
1197 | * Allocating the disasm annotation line data with | |
1198 | * following structure: | |
1199 | * | |
1200 | * ------------------------------------------------------------ | |
1201 | * privsize space | struct disasm_line | struct annotation_line | |
1202 | * ------------------------------------------------------------ | |
1203 | * | |
1204 | * We have 'struct annotation_line' member as last member | |
1205 | * of 'struct disasm_line' to have an easy access. | |
1206 | * | |
1207 | */ | |
4748834f | 1208 | static struct disasm_line *disasm_line__new(struct annotate_args *args) |
78f7defe | 1209 | { |
c835e191 JO |
1210 | struct disasm_line *dl = NULL; |
1211 | struct annotation_line *al; | |
1212 | size_t privsize = args->privsize + offsetof(struct disasm_line, al); | |
78f7defe | 1213 | |
c835e191 JO |
1214 | al = annotation_line__new(args, privsize); |
1215 | if (al != NULL) { | |
1216 | dl = disasm_line(al); | |
d5490b96 JO |
1217 | |
1218 | if (dl->al.line == NULL) | |
058b4cc9 | 1219 | goto out_delete; |
5145418b | 1220 | |
4748834f | 1221 | if (args->offset != -1) { |
d5490b96 | 1222 | if (disasm_line__parse(dl->al.line, &dl->ins.name, &dl->ops.raw) < 0) |
5145418b ACM |
1223 | goto out_free_line; |
1224 | ||
85a84e4f | 1225 | disasm_line__init_ins(dl, args->arch, &args->ms); |
5145418b | 1226 | } |
78f7defe ACM |
1227 | } |
1228 | ||
29ed6e76 | 1229 | return dl; |
5145418b ACM |
1230 | |
1231 | out_free_line: | |
d5490b96 | 1232 | zfree(&dl->al.line); |
058b4cc9 | 1233 | out_delete: |
29ed6e76 | 1234 | free(dl); |
058b4cc9 | 1235 | return NULL; |
78f7defe ACM |
1236 | } |
1237 | ||
29ed6e76 | 1238 | void disasm_line__free(struct disasm_line *dl) |
78f7defe | 1239 | { |
75b49202 ACM |
1240 | if (dl->ins.ops && dl->ins.ops->free) |
1241 | dl->ins.ops->free(&dl->ops); | |
c46219ac ACM |
1242 | else |
1243 | ins__delete(&dl->ops); | |
d8f9da24 | 1244 | zfree(&dl->ins.name); |
c835e191 | 1245 | annotation_line__delete(&dl->al); |
78f7defe ACM |
1246 | } |
1247 | ||
bc3bb795 | 1248 | int disasm_line__scnprintf(struct disasm_line *dl, char *bf, size_t size, bool raw, int max_ins_name) |
5417072b | 1249 | { |
75b49202 | 1250 | if (raw || !dl->ins.ops) |
bc3bb795 | 1251 | return scnprintf(bf, size, "%-*s %s", max_ins_name, dl->ins.name, dl->ops.raw); |
5417072b | 1252 | |
bc3bb795 | 1253 | return ins__scnprintf(&dl->ins, bf, size, &dl->ops, max_ins_name); |
5417072b ACM |
1254 | } |
1255 | ||
82b9d7ff | 1256 | static void annotation_line__add(struct annotation_line *al, struct list_head *head) |
78f7defe | 1257 | { |
82b9d7ff | 1258 | list_add_tail(&al->node, head); |
78f7defe ACM |
1259 | } |
1260 | ||
c4c72436 JO |
1261 | struct annotation_line * |
1262 | annotation_line__next(struct annotation_line *pos, struct list_head *head) | |
78f7defe | 1263 | { |
c4c72436 JO |
1264 | list_for_each_entry_continue(pos, head, node) |
1265 | if (pos->offset >= 0) | |
78f7defe ACM |
1266 | return pos; |
1267 | ||
1268 | return NULL; | |
1269 | } | |
1270 | ||
70fbe057 PZ |
1271 | static const char *annotate__address_color(struct block_range *br) |
1272 | { | |
1273 | double cov = block_range__coverage(br); | |
1274 | ||
1275 | if (cov >= 0) { | |
1276 | /* mark red for >75% coverage */ | |
1277 | if (cov > 0.75) | |
1278 | return PERF_COLOR_RED; | |
1279 | ||
1280 | /* mark dull for <1% coverage */ | |
1281 | if (cov < 0.01) | |
1282 | return PERF_COLOR_NORMAL; | |
1283 | } | |
1284 | ||
1285 | return PERF_COLOR_MAGENTA; | |
1286 | } | |
1287 | ||
1288 | static const char *annotate__asm_color(struct block_range *br) | |
1289 | { | |
1290 | double cov = block_range__coverage(br); | |
1291 | ||
1292 | if (cov >= 0) { | |
1293 | /* mark dull for <1% coverage */ | |
1294 | if (cov < 0.01) | |
1295 | return PERF_COLOR_NORMAL; | |
1296 | } | |
1297 | ||
1298 | return PERF_COLOR_BLUE; | |
1299 | } | |
1300 | ||
1301 | static void annotate__branch_printf(struct block_range *br, u64 addr) | |
1302 | { | |
1303 | bool emit_comment = true; | |
1304 | ||
1305 | if (!br) | |
1306 | return; | |
1307 | ||
1308 | #if 1 | |
1309 | if (br->is_target && br->start == addr) { | |
1310 | struct block_range *branch = br; | |
1311 | double p; | |
1312 | ||
1313 | /* | |
1314 | * Find matching branch to our target. | |
1315 | */ | |
1316 | while (!branch->is_branch) | |
1317 | branch = block_range__next(branch); | |
1318 | ||
1319 | p = 100 *(double)br->entry / branch->coverage; | |
1320 | ||
1321 | if (p > 0.1) { | |
1322 | if (emit_comment) { | |
1323 | emit_comment = false; | |
1324 | printf("\t#"); | |
1325 | } | |
1326 | ||
1327 | /* | |
1328 | * The percentage of coverage joined at this target in relation | |
1329 | * to the next branch. | |
1330 | */ | |
1331 | printf(" +%.2f%%", p); | |
1332 | } | |
1333 | } | |
1334 | #endif | |
1335 | if (br->is_branch && br->end == addr) { | |
1336 | double p = 100*(double)br->taken / br->coverage; | |
1337 | ||
1338 | if (p > 0.1) { | |
1339 | if (emit_comment) { | |
1340 | emit_comment = false; | |
1341 | printf("\t#"); | |
1342 | } | |
1343 | ||
1344 | /* | |
1345 | * The percentage of coverage leaving at this branch, and | |
1346 | * its prediction ratio. | |
1347 | */ | |
1348 | printf(" -%.2f%% (p:%.2f%%)", p, 100*(double)br->pred / br->taken); | |
1349 | } | |
1350 | } | |
1351 | } | |
1352 | ||
f48e7c40 | 1353 | static int disasm_line__print(struct disasm_line *dl, u64 start, int addr_fmt_width) |
78f7defe | 1354 | { |
29971f9a JO |
1355 | s64 offset = dl->al.offset; |
1356 | const u64 addr = start + offset; | |
1357 | struct block_range *br; | |
1358 | ||
1359 | br = block_range__find(addr); | |
f48e7c40 | 1360 | color_fprintf(stdout, annotate__address_color(br), " %*" PRIx64 ":", addr_fmt_width, addr); |
29971f9a JO |
1361 | color_fprintf(stdout, annotate__asm_color(br), "%s", dl->al.line); |
1362 | annotate__branch_printf(br, addr); | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | static int | |
1367 | annotation_line__print(struct annotation_line *al, struct symbol *sym, u64 start, | |
32dcd021 | 1368 | struct evsel *evsel, u64 len, int min_pcnt, int printed, |
796ca33d JO |
1369 | int max_lines, struct annotation_line *queue, int addr_fmt_width, |
1370 | int percent_type) | |
29971f9a JO |
1371 | { |
1372 | struct disasm_line *dl = container_of(al, struct disasm_line, al); | |
78f7defe ACM |
1373 | static const char *prev_line; |
1374 | static const char *prev_color; | |
1375 | ||
29971f9a | 1376 | if (al->offset != -1) { |
f681d593 | 1377 | double max_percent = 0.0; |
b1dd4432 | 1378 | int i, nr_percent = 1; |
78f7defe ACM |
1379 | const char *color; |
1380 | struct annotation *notes = symbol__annotation(sym); | |
ce6f4fab | 1381 | |
c2f938ba | 1382 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d JO |
1383 | double percent; |
1384 | ||
1385 | percent = annotation_data__percent(&al->data[i], | |
796ca33d | 1386 | percent_type); |
78f7defe | 1387 | |
6d9f0c2d JO |
1388 | if (percent > max_percent) |
1389 | max_percent = percent; | |
b1dd4432 NK |
1390 | } |
1391 | ||
c2f938ba JO |
1392 | if (al->data_nr > nr_percent) |
1393 | nr_percent = al->data_nr; | |
04d2600a | 1394 | |
b1dd4432 | 1395 | if (max_percent < min_pcnt) |
36532461 ACM |
1396 | return -1; |
1397 | ||
e3087b80 | 1398 | if (max_lines && printed >= max_lines) |
36532461 | 1399 | return 1; |
d040bd36 | 1400 | |
d5e3d747 | 1401 | if (queue != NULL) { |
29971f9a JO |
1402 | list_for_each_entry_from(queue, ¬es->src->source, node) { |
1403 | if (queue == al) | |
d5e3d747 | 1404 | break; |
29971f9a | 1405 | annotation_line__print(queue, sym, start, evsel, len, |
796ca33d JO |
1406 | 0, 0, 1, NULL, addr_fmt_width, |
1407 | percent_type); | |
d5e3d747 ACM |
1408 | } |
1409 | } | |
1410 | ||
b1dd4432 | 1411 | color = get_percent_color(max_percent); |
78f7defe ACM |
1412 | |
1413 | /* | |
1414 | * Also color the filename and line if needed, with | |
1415 | * the same color than the percentage. Don't print it | |
1416 | * twice for close colored addr with the same filename:line | |
1417 | */ | |
29971f9a JO |
1418 | if (al->path) { |
1419 | if (!prev_line || strcmp(prev_line, al->path) | |
78f7defe | 1420 | || color != prev_color) { |
29971f9a JO |
1421 | color_fprintf(stdout, color, " %s", al->path); |
1422 | prev_line = al->path; | |
78f7defe ACM |
1423 | prev_color = color; |
1424 | } | |
1425 | } | |
1426 | ||
b1dd4432 | 1427 | for (i = 0; i < nr_percent; i++) { |
0440af74 | 1428 | struct annotation_data *data = &al->data[i]; |
6d9f0c2d | 1429 | double percent; |
f681d593 | 1430 | |
796ca33d | 1431 | percent = annotation_data__percent(data, percent_type); |
6d9f0c2d | 1432 | color = get_percent_color(percent); |
0c4a5bce ML |
1433 | |
1434 | if (symbol_conf.show_total_period) | |
ce9ee4a2 | 1435 | color_fprintf(stdout, color, " %11" PRIu64, |
0440af74 | 1436 | data->he.period); |
1ac39372 TS |
1437 | else if (symbol_conf.show_nr_samples) |
1438 | color_fprintf(stdout, color, " %7" PRIu64, | |
0440af74 | 1439 | data->he.nr_samples); |
0c4a5bce | 1440 | else |
6d9f0c2d | 1441 | color_fprintf(stdout, color, " %7.2f", percent); |
b1dd4432 NK |
1442 | } |
1443 | ||
f48e7c40 | 1444 | printf(" : "); |
70fbe057 | 1445 | |
f48e7c40 | 1446 | disasm_line__print(dl, start, addr_fmt_width); |
70fbe057 | 1447 | printf("\n"); |
e3087b80 | 1448 | } else if (max_lines && printed >= max_lines) |
36532461 ACM |
1449 | return 1; |
1450 | else { | |
ce9ee4a2 | 1451 | int width = symbol_conf.show_total_period ? 12 : 8; |
b1dd4432 | 1452 | |
d5e3d747 ACM |
1453 | if (queue) |
1454 | return -1; | |
1455 | ||
759ff497 | 1456 | if (perf_evsel__is_group_event(evsel)) |
5643b1a5 | 1457 | width *= evsel->core.nr_members; |
b1dd4432 | 1458 | |
29971f9a | 1459 | if (!*al->line) |
b1dd4432 | 1460 | printf(" %*s:\n", width, " "); |
78f7defe | 1461 | else |
f48e7c40 | 1462 | printf(" %*s: %*s %s\n", width, " ", addr_fmt_width, " ", al->line); |
78f7defe | 1463 | } |
36532461 ACM |
1464 | |
1465 | return 0; | |
78f7defe ACM |
1466 | } |
1467 | ||
3aec150a NK |
1468 | /* |
1469 | * symbol__parse_objdump_line() parses objdump output (with -d --no-show-raw) | |
1470 | * which looks like following | |
1471 | * | |
1472 | * 0000000000415500 <_init>: | |
1473 | * 415500: sub $0x8,%rsp | |
1474 | * 415504: mov 0x2f5ad5(%rip),%rax # 70afe0 <_DYNAMIC+0x2f8> | |
1475 | * 41550b: test %rax,%rax | |
1476 | * 41550e: je 415515 <_init+0x15> | |
1477 | * 415510: callq 416e70 <__gmon_start__@plt> | |
1478 | * 415515: add $0x8,%rsp | |
1479 | * 415519: retq | |
1480 | * | |
1481 | * it will be parsed and saved into struct disasm_line as | |
1482 | * <offset> <name> <ops.raw> | |
1483 | * | |
1484 | * The offset will be a relative offset from the start of the symbol and -1 | |
1485 | * means that it's not a disassembly line so should be treated differently. | |
1486 | * The ops.raw part will be parsed further according to type of the instruction. | |
1487 | */ | |
1a04db70 | 1488 | static int symbol__parse_objdump_line(struct symbol *sym, FILE *file, |
ea07c5aa | 1489 | struct annotate_args *args, |
e592488c | 1490 | int *line_nr) |
78f7defe | 1491 | { |
85a84e4f | 1492 | struct map *map = args->ms.map; |
ce6f4fab | 1493 | struct annotation *notes = symbol__annotation(sym); |
29ed6e76 | 1494 | struct disasm_line *dl; |
4597cf06 | 1495 | char *line = NULL, *parsed_line, *tmp, *tmp2; |
78f7defe ACM |
1496 | size_t line_len; |
1497 | s64 line_ip, offset = -1; | |
e592488c | 1498 | regmatch_t match[2]; |
78f7defe ACM |
1499 | |
1500 | if (getline(&line, &line_len, file) < 0) | |
1501 | return -1; | |
1502 | ||
1503 | if (!line) | |
1504 | return -1; | |
1505 | ||
78f7defe | 1506 | line_ip = -1; |
13c230ab | 1507 | parsed_line = strim(line); |
78f7defe | 1508 | |
e592488c | 1509 | /* /filename:linenr ? Save line number and ignore. */ |
986a5bc0 TS |
1510 | if (regexec(&file_lineno, parsed_line, 2, match, 0) == 0) { |
1511 | *line_nr = atoi(parsed_line + match[1].rm_so); | |
e592488c AK |
1512 | return 0; |
1513 | } | |
1514 | ||
32858480 | 1515 | tmp = skip_spaces(parsed_line); |
78f7defe ACM |
1516 | if (*tmp) { |
1517 | /* | |
1518 | * Parse hexa addresses followed by ':' | |
1519 | */ | |
1520 | line_ip = strtoull(tmp, &tmp2, 16); | |
1521 | if (*tmp2 != ':' || tmp == tmp2 || tmp2[1] == '\0') | |
1522 | line_ip = -1; | |
1523 | } | |
1524 | ||
1525 | if (line_ip != -1) { | |
1526 | u64 start = map__rip_2objdump(map, sym->start), | |
1527 | end = map__rip_2objdump(map, sym->end); | |
1528 | ||
1529 | offset = line_ip - start; | |
2c241bd3 | 1530 | if ((u64)line_ip < start || (u64)line_ip >= end) |
78f7defe | 1531 | offset = -1; |
058b4cc9 ACM |
1532 | else |
1533 | parsed_line = tmp2 + 1; | |
a31b7cc0 | 1534 | } |
78f7defe | 1535 | |
4748834f JO |
1536 | args->offset = offset; |
1537 | args->line = parsed_line; | |
1538 | args->line_nr = *line_nr; | |
85a84e4f | 1539 | args->ms.sym = sym; |
4748834f JO |
1540 | |
1541 | dl = disasm_line__new(args); | |
058b4cc9 | 1542 | free(line); |
e592488c | 1543 | (*line_nr)++; |
058b4cc9 | 1544 | |
29ed6e76 | 1545 | if (dl == NULL) |
78f7defe | 1546 | return -1; |
058b4cc9 | 1547 | |
2eff0611 | 1548 | if (!disasm_line__has_local_offset(dl)) { |
bbb7f846 AH |
1549 | dl->ops.target.offset = dl->ops.target.addr - |
1550 | map__rip_2objdump(map, sym->start); | |
e216874c RB |
1551 | dl->ops.target.offset_avail = true; |
1552 | } | |
bbb7f846 | 1553 | |
696703af ACM |
1554 | /* kcore has no symbols, so add the call target symbol */ |
1555 | if (dl->ins.ops && ins__is_call(&dl->ins) && !dl->ops.target.sym) { | |
6e427ab0 AH |
1556 | struct addr_map_symbol target = { |
1557 | .map = map, | |
1558 | .addr = dl->ops.target.addr, | |
1559 | }; | |
1560 | ||
be39db9f | 1561 | if (!map_groups__find_ams(&target) && |
6e427ab0 | 1562 | target.sym->start == target.al_addr) |
696703af | 1563 | dl->ops.target.sym = target.sym; |
b178170a AH |
1564 | } |
1565 | ||
82b9d7ff | 1566 | annotation_line__add(&dl->al, ¬es->src->source); |
78f7defe ACM |
1567 | |
1568 | return 0; | |
1569 | } | |
1570 | ||
e592488c AK |
1571 | static __attribute__((constructor)) void symbol__init_regexpr(void) |
1572 | { | |
1573 | regcomp(&file_lineno, "^/[^:]+:([0-9]+)", REG_EXTENDED); | |
1574 | } | |
1575 | ||
484a5e74 AH |
1576 | static void delete_last_nop(struct symbol *sym) |
1577 | { | |
1578 | struct annotation *notes = symbol__annotation(sym); | |
1579 | struct list_head *list = ¬es->src->source; | |
1580 | struct disasm_line *dl; | |
1581 | ||
1582 | while (!list_empty(list)) { | |
a17c4ca0 | 1583 | dl = list_entry(list->prev, struct disasm_line, al.node); |
484a5e74 | 1584 | |
75b49202 ACM |
1585 | if (dl->ins.ops) { |
1586 | if (dl->ins.ops != &nop_ops) | |
484a5e74 AH |
1587 | return; |
1588 | } else { | |
d5490b96 JO |
1589 | if (!strstr(dl->al.line, " nop ") && |
1590 | !strstr(dl->al.line, " nopl ") && | |
1591 | !strstr(dl->al.line, " nopw ")) | |
484a5e74 AH |
1592 | return; |
1593 | } | |
1594 | ||
e56fbc9d | 1595 | list_del_init(&dl->al.node); |
484a5e74 AH |
1596 | disasm_line__free(dl); |
1597 | } | |
1598 | } | |
1599 | ||
ee51d851 ACM |
1600 | int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map, |
1601 | int errnum, char *buf, size_t buflen) | |
1602 | { | |
1603 | struct dso *dso = map->dso; | |
1604 | ||
1605 | BUG_ON(buflen == 0); | |
1606 | ||
1607 | if (errnum >= 0) { | |
1608 | str_error_r(errnum, buf, buflen); | |
1609 | return 0; | |
1610 | } | |
1611 | ||
1612 | switch (errnum) { | |
1613 | case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: { | |
1614 | char bf[SBUILD_ID_SIZE + 15] = " with build id "; | |
1615 | char *build_id_msg = NULL; | |
1616 | ||
1617 | if (dso->has_build_id) { | |
1618 | build_id__sprintf(dso->build_id, | |
1619 | sizeof(dso->build_id), bf + 15); | |
1620 | build_id_msg = bf; | |
1621 | } | |
1622 | scnprintf(buf, buflen, | |
1623 | "No vmlinux file%s\nwas found in the path.\n\n" | |
1624 | "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n" | |
1625 | "Please use:\n\n" | |
1626 | " perf buildid-cache -vu vmlinux\n\n" | |
1627 | "or:\n\n" | |
1628 | " --vmlinux vmlinux\n", build_id_msg ?: ""); | |
1629 | } | |
1630 | break; | |
6987561c SL |
1631 | case SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF: |
1632 | scnprintf(buf, buflen, "Please link with binutils's libopcode to enable BPF annotation"); | |
1633 | break; | |
ee51d851 ACM |
1634 | default: |
1635 | scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum); | |
1636 | break; | |
1637 | } | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
05ed3ac9 | 1642 | static int dso__disassemble_filename(struct dso *dso, char *filename, size_t filename_size) |
78f7defe | 1643 | { |
05ed3ac9 ACM |
1644 | char linkname[PATH_MAX]; |
1645 | char *build_id_filename; | |
6ebd2547 | 1646 | char *build_id_path = NULL; |
3619ef76 | 1647 | char *pos; |
78f7defe | 1648 | |
c12944f7 ACM |
1649 | if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && |
1650 | !dso__is_kcore(dso)) | |
05ed3ac9 | 1651 | return SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX; |
c12944f7 | 1652 | |
d2396999 | 1653 | build_id_filename = dso__build_id_filename(dso, NULL, 0, false); |
05ed3ac9 ACM |
1654 | if (build_id_filename) { |
1655 | __symbol__join_symfs(filename, filename_size, build_id_filename); | |
1656 | free(build_id_filename); | |
3caee094 | 1657 | } else { |
ee51d851 ACM |
1658 | if (dso->has_build_id) |
1659 | return ENOMEM; | |
78f7defe | 1660 | goto fallback; |
3caee094 ACM |
1661 | } |
1662 | ||
6ebd2547 TS |
1663 | build_id_path = strdup(filename); |
1664 | if (!build_id_path) | |
1665 | return -1; | |
1666 | ||
3619ef76 NK |
1667 | /* |
1668 | * old style build-id cache has name of XX/XXXXXXX.. while | |
1669 | * new style has XX/XXXXXXX../{elf,kallsyms,vdso}. | |
1670 | * extract the build-id part of dirname in the new style only. | |
1671 | */ | |
1672 | pos = strrchr(build_id_path, '/'); | |
1673 | if (pos && strlen(pos) < SBUILD_ID_SIZE - 2) | |
1674 | dirname(build_id_path); | |
6ebd2547 | 1675 | |
3caee094 | 1676 | if (dso__is_kcore(dso) || |
6ebd2547 | 1677 | readlink(build_id_path, linkname, sizeof(linkname)) < 0 || |
05ed3ac9 ACM |
1678 | strstr(linkname, DSO__NAME_KALLSYMS) || |
1679 | access(filename, R_OK)) { | |
78f7defe ACM |
1680 | fallback: |
1681 | /* | |
1682 | * If we don't have build-ids or the build-id file isn't in the | |
1683 | * cache, or is just a kallsyms file, well, lets hope that this | |
1684 | * DSO is the same as when 'perf record' ran. | |
1685 | */ | |
05ed3ac9 | 1686 | __symbol__join_symfs(filename, filename_size, dso->long_name); |
78f7defe ACM |
1687 | } |
1688 | ||
6ebd2547 | 1689 | free(build_id_path); |
05ed3ac9 ACM |
1690 | return 0; |
1691 | } | |
1692 | ||
6987561c SL |
1693 | #if defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) |
1694 | #define PACKAGE "perf" | |
1695 | #include <bfd.h> | |
1696 | #include <dis-asm.h> | |
1697 | ||
1698 | static int symbol__disassemble_bpf(struct symbol *sym, | |
1699 | struct annotate_args *args) | |
1700 | { | |
1701 | struct annotation *notes = symbol__annotation(sym); | |
1702 | struct annotation_options *opts = args->options; | |
1703 | struct bpf_prog_info_linear *info_linear; | |
1704 | struct bpf_prog_linfo *prog_linfo = NULL; | |
1705 | struct bpf_prog_info_node *info_node; | |
1706 | int len = sym->end - sym->start; | |
1707 | disassembler_ftype disassemble; | |
1708 | struct map *map = args->ms.map; | |
1709 | struct disassemble_info info; | |
1710 | struct dso *dso = map->dso; | |
1711 | int pc = 0, count, sub_id; | |
1712 | struct btf *btf = NULL; | |
1713 | char tpath[PATH_MAX]; | |
1714 | size_t buf_size; | |
1715 | int nr_skip = 0; | |
1716 | int ret = -1; | |
1717 | char *buf; | |
1718 | bfd *bfdf; | |
1719 | FILE *s; | |
1720 | ||
1721 | if (dso->binary_type != DSO_BINARY_TYPE__BPF_PROG_INFO) | |
1722 | return -1; | |
1723 | ||
01e985e9 TLSC |
1724 | pr_debug("%s: handling sym %s addr %" PRIx64 " len %" PRIx64 "\n", __func__, |
1725 | sym->name, sym->start, sym->end - sym->start); | |
6987561c SL |
1726 | |
1727 | memset(tpath, 0, sizeof(tpath)); | |
1728 | perf_exe(tpath, sizeof(tpath)); | |
1729 | ||
1730 | bfdf = bfd_openr(tpath, NULL); | |
1731 | assert(bfdf); | |
1732 | assert(bfd_check_format(bfdf, bfd_object)); | |
1733 | ||
1734 | s = open_memstream(&buf, &buf_size); | |
1735 | if (!s) | |
1736 | goto out; | |
1737 | init_disassemble_info(&info, s, | |
1738 | (fprintf_ftype) fprintf); | |
1739 | ||
1740 | info.arch = bfd_get_arch(bfdf); | |
1741 | info.mach = bfd_get_mach(bfdf); | |
1742 | ||
1743 | info_node = perf_env__find_bpf_prog_info(dso->bpf_prog.env, | |
1744 | dso->bpf_prog.id); | |
1745 | if (!info_node) | |
1746 | goto out; | |
1747 | info_linear = info_node->info_linear; | |
1748 | sub_id = dso->bpf_prog.sub_id; | |
1749 | ||
01e985e9 | 1750 | info.buffer = (void *)(uintptr_t)(info_linear->info.jited_prog_insns); |
6987561c SL |
1751 | info.buffer_length = info_linear->info.jited_prog_len; |
1752 | ||
1753 | if (info_linear->info.nr_line_info) | |
1754 | prog_linfo = bpf_prog_linfo__new(&info_linear->info); | |
1755 | ||
1756 | if (info_linear->info.btf_id) { | |
1757 | struct btf_node *node; | |
1758 | ||
1759 | node = perf_env__find_btf(dso->bpf_prog.env, | |
1760 | info_linear->info.btf_id); | |
1761 | if (node) | |
1762 | btf = btf__new((__u8 *)(node->data), | |
1763 | node->data_size); | |
1764 | } | |
1765 | ||
1766 | disassemble_init_for_target(&info); | |
1767 | ||
1768 | #ifdef DISASM_FOUR_ARGS_SIGNATURE | |
1769 | disassemble = disassembler(info.arch, | |
1770 | bfd_big_endian(bfdf), | |
1771 | info.mach, | |
1772 | bfdf); | |
1773 | #else | |
1774 | disassemble = disassembler(bfdf); | |
1775 | #endif | |
1776 | assert(disassemble); | |
1777 | ||
1778 | fflush(s); | |
1779 | do { | |
1780 | const struct bpf_line_info *linfo = NULL; | |
1781 | struct disasm_line *dl; | |
1782 | size_t prev_buf_size; | |
1783 | const char *srcline; | |
1784 | u64 addr; | |
1785 | ||
01e985e9 | 1786 | addr = pc + ((u64 *)(uintptr_t)(info_linear->info.jited_ksyms))[sub_id]; |
6987561c SL |
1787 | count = disassemble(pc, &info); |
1788 | ||
1789 | if (prog_linfo) | |
1790 | linfo = bpf_prog_linfo__lfind_addr_func(prog_linfo, | |
1791 | addr, sub_id, | |
1792 | nr_skip); | |
1793 | ||
1794 | if (linfo && btf) { | |
1795 | srcline = btf__name_by_offset(btf, linfo->line_off); | |
1796 | nr_skip++; | |
1797 | } else | |
1798 | srcline = NULL; | |
1799 | ||
1800 | fprintf(s, "\n"); | |
1801 | prev_buf_size = buf_size; | |
1802 | fflush(s); | |
1803 | ||
1804 | if (!opts->hide_src_code && srcline) { | |
1805 | args->offset = -1; | |
1806 | args->line = strdup(srcline); | |
1807 | args->line_nr = 0; | |
1808 | args->ms.sym = sym; | |
1809 | dl = disasm_line__new(args); | |
1810 | if (dl) { | |
1811 | annotation_line__add(&dl->al, | |
1812 | ¬es->src->source); | |
1813 | } | |
1814 | } | |
1815 | ||
1816 | args->offset = pc; | |
1817 | args->line = buf + prev_buf_size; | |
1818 | args->line_nr = 0; | |
1819 | args->ms.sym = sym; | |
1820 | dl = disasm_line__new(args); | |
1821 | if (dl) | |
1822 | annotation_line__add(&dl->al, ¬es->src->source); | |
1823 | ||
1824 | pc += count; | |
1825 | } while (count > 0 && pc < len); | |
1826 | ||
1827 | ret = 0; | |
1828 | out: | |
1829 | free(prog_linfo); | |
1830 | free(btf); | |
1831 | fclose(s); | |
1832 | bfd_close(bfdf); | |
1833 | return ret; | |
1834 | } | |
1835 | #else // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) | |
1836 | static int symbol__disassemble_bpf(struct symbol *sym __maybe_unused, | |
1837 | struct annotate_args *args __maybe_unused) | |
1838 | { | |
1839 | return SYMBOL_ANNOTATE_ERRNO__NO_LIBOPCODES_FOR_BPF; | |
1840 | } | |
1841 | #endif // defined(HAVE_LIBBFD_SUPPORT) && defined(HAVE_LIBBPF_SUPPORT) | |
1842 | ||
1a04db70 | 1843 | static int symbol__disassemble(struct symbol *sym, struct annotate_args *args) |
05ed3ac9 | 1844 | { |
1eddd9e4 | 1845 | struct annotation_options *opts = args->options; |
85a84e4f | 1846 | struct map *map = args->ms.map; |
05ed3ac9 | 1847 | struct dso *dso = map->dso; |
6810158d | 1848 | char *command; |
05ed3ac9 ACM |
1849 | FILE *file; |
1850 | char symfs_filename[PATH_MAX]; | |
1851 | struct kcore_extract kce; | |
1852 | bool delete_extract = false; | |
2354ae9b | 1853 | bool decomp = false; |
05ed3ac9 ACM |
1854 | int stdout_fd[2]; |
1855 | int lineno = 0; | |
1856 | int nline; | |
1857 | pid_t pid; | |
1858 | int err = dso__disassemble_filename(dso, symfs_filename, sizeof(symfs_filename)); | |
1859 | ||
1860 | if (err) | |
1861 | return err; | |
1862 | ||
78f7defe | 1863 | pr_debug("%s: filename=%s, sym=%s, start=%#" PRIx64 ", end=%#" PRIx64 "\n", __func__, |
3caee094 | 1864 | symfs_filename, sym->name, map->unmap_ip(map, sym->start), |
78f7defe ACM |
1865 | map->unmap_ip(map, sym->end)); |
1866 | ||
78f7defe ACM |
1867 | pr_debug("annotating [%p] %30s : [%p] %30s\n", |
1868 | dso, dso->long_name, sym, sym->name); | |
1869 | ||
6987561c SL |
1870 | if (dso->binary_type == DSO_BINARY_TYPE__BPF_PROG_INFO) { |
1871 | return symbol__disassemble_bpf(sym, args); | |
1872 | } else if (dso__is_kcore(dso)) { | |
afba19d9 AH |
1873 | kce.kcore_filename = symfs_filename; |
1874 | kce.addr = map__rip_2objdump(map, sym->start); | |
1875 | kce.offs = sym->start; | |
2c241bd3 | 1876 | kce.len = sym->end - sym->start; |
afba19d9 AH |
1877 | if (!kcore_extract__create(&kce)) { |
1878 | delete_extract = true; | |
1879 | strlcpy(symfs_filename, kce.extract_filename, | |
1880 | sizeof(symfs_filename)); | |
afba19d9 | 1881 | } |
2c7da8c5 | 1882 | } else if (dso__needs_decompress(dso)) { |
3c84fd53 | 1883 | char tmp[KMOD_DECOMP_LEN]; |
2c7da8c5 | 1884 | |
3c84fd53 NK |
1885 | if (dso__decompress_kmodule_path(dso, symfs_filename, |
1886 | tmp, sizeof(tmp)) < 0) | |
3caee094 | 1887 | goto out; |
2c7da8c5 | 1888 | |
2354ae9b | 1889 | decomp = true; |
2c7da8c5 | 1890 | strcpy(symfs_filename, tmp); |
afba19d9 AH |
1891 | } |
1892 | ||
6810158d | 1893 | err = asprintf(&command, |
7a4ec938 | 1894 | "%s %s%s --start-address=0x%016" PRIx64 |
3e6a2a7f | 1895 | " --stop-address=0x%016" PRIx64 |
442b4eb3 | 1896 | " -l -d %s %s -C \"$1\" 2>/dev/null|grep -v \"$1:\"|expand", |
f178fd2d | 1897 | opts->objdump_path ?: "objdump", |
a47e843e ACM |
1898 | opts->disassembler_style ? "-M " : "", |
1899 | opts->disassembler_style ?: "", | |
78f7defe | 1900 | map__rip_2objdump(map, sym->start), |
2c241bd3 | 1901 | map__rip_2objdump(map, sym->end), |
1eddd9e4 | 1902 | opts->show_asm_raw ? "" : "--no-show-raw", |
442b4eb3 | 1903 | opts->annotate_src ? "-S" : ""); |
78f7defe | 1904 | |
6810158d ACM |
1905 | if (err < 0) { |
1906 | pr_err("Failure allocating memory for the command to run\n"); | |
1907 | goto out_remove_tmp; | |
1908 | } | |
1909 | ||
78f7defe ACM |
1910 | pr_debug("Executing: %s\n", command); |
1911 | ||
9955d0be ACM |
1912 | err = -1; |
1913 | if (pipe(stdout_fd) < 0) { | |
1914 | pr_err("Failure creating the pipe to run %s\n", command); | |
6810158d | 1915 | goto out_free_command; |
9955d0be ACM |
1916 | } |
1917 | ||
1918 | pid = fork(); | |
1919 | if (pid < 0) { | |
1920 | pr_err("Failure forking to run %s\n", command); | |
1921 | goto out_close_stdout; | |
1922 | } | |
1923 | ||
1924 | if (pid == 0) { | |
1925 | close(stdout_fd[0]); | |
1926 | dup2(stdout_fd[1], 1); | |
1927 | close(stdout_fd[1]); | |
442b4eb3 IK |
1928 | execl("/bin/sh", "sh", "-c", command, "--", symfs_filename, |
1929 | NULL); | |
9955d0be ACM |
1930 | perror(command); |
1931 | exit(-1); | |
1932 | } | |
1933 | ||
1934 | close(stdout_fd[1]); | |
1935 | ||
1936 | file = fdopen(stdout_fd[0], "r"); | |
62ec9b3f | 1937 | if (!file) { |
9955d0be | 1938 | pr_err("Failure creating FILE stream for %s\n", command); |
62ec9b3f AK |
1939 | /* |
1940 | * If we were using debug info should retry with | |
1941 | * original binary. | |
1942 | */ | |
6810158d | 1943 | goto out_free_command; |
62ec9b3f | 1944 | } |
78f7defe | 1945 | |
62ec9b3f AK |
1946 | nline = 0; |
1947 | while (!feof(file)) { | |
ed7b339f ACM |
1948 | /* |
1949 | * The source code line number (lineno) needs to be kept in | |
adba1634 | 1950 | * across calls to symbol__parse_objdump_line(), so that it |
ed7b339f ACM |
1951 | * can associate it with the instructions till the next one. |
1952 | * See disasm_line__new() and struct disasm_line::line_nr. | |
1953 | */ | |
1a04db70 | 1954 | if (symbol__parse_objdump_line(sym, file, args, &lineno) < 0) |
78f7defe | 1955 | break; |
62ec9b3f AK |
1956 | nline++; |
1957 | } | |
1958 | ||
1959 | if (nline == 0) | |
1960 | pr_err("No output from %s\n", command); | |
78f7defe | 1961 | |
484a5e74 AH |
1962 | /* |
1963 | * kallsyms does not have symbol sizes so there may a nop at the end. | |
1964 | * Remove it. | |
1965 | */ | |
1966 | if (dso__is_kcore(dso)) | |
1967 | delete_last_nop(sym); | |
1968 | ||
9955d0be ACM |
1969 | fclose(file); |
1970 | err = 0; | |
6810158d ACM |
1971 | out_free_command: |
1972 | free(command); | |
2c7da8c5 | 1973 | out_remove_tmp: |
9955d0be ACM |
1974 | close(stdout_fd[0]); |
1975 | ||
2354ae9b | 1976 | if (decomp) |
2c7da8c5 | 1977 | unlink(symfs_filename); |
3caee094 | 1978 | |
afba19d9 AH |
1979 | if (delete_extract) |
1980 | kcore_extract__delete(&kce); | |
c12944f7 | 1981 | out: |
78f7defe | 1982 | return err; |
9955d0be ACM |
1983 | |
1984 | out_close_stdout: | |
1985 | close(stdout_fd[1]); | |
6810158d | 1986 | goto out_free_command; |
78f7defe ACM |
1987 | } |
1988 | ||
48a1e4f2 | 1989 | static void calc_percent(struct sym_hist *sym_hist, |
75a8c1ff | 1990 | struct hists *hists, |
0440af74 | 1991 | struct annotation_data *data, |
073ae601 JO |
1992 | s64 offset, s64 end) |
1993 | { | |
1994 | unsigned int hits = 0; | |
1995 | u64 period = 0; | |
1996 | ||
1997 | while (offset < end) { | |
48a1e4f2 JO |
1998 | hits += sym_hist->addr[offset].nr_samples; |
1999 | period += sym_hist->addr[offset].period; | |
073ae601 JO |
2000 | ++offset; |
2001 | } | |
2002 | ||
48a1e4f2 | 2003 | if (sym_hist->nr_samples) { |
0440af74 JO |
2004 | data->he.period = period; |
2005 | data->he.nr_samples = hits; | |
6d9f0c2d | 2006 | data->percent[PERCENT_HITS_LOCAL] = 100.0 * hits / sym_hist->nr_samples; |
073ae601 | 2007 | } |
75a8c1ff JO |
2008 | |
2009 | if (hists->stats.nr_non_filtered_samples) | |
2010 | data->percent[PERCENT_HITS_GLOBAL] = 100.0 * hits / hists->stats.nr_non_filtered_samples; | |
2011 | ||
ab371169 JO |
2012 | if (sym_hist->period) |
2013 | data->percent[PERCENT_PERIOD_LOCAL] = 100.0 * period / sym_hist->period; | |
e58684df JO |
2014 | |
2015 | if (hists->stats.total_period) | |
2016 | data->percent[PERCENT_PERIOD_GLOBAL] = 100.0 * period / hists->stats.total_period; | |
073ae601 JO |
2017 | } |
2018 | ||
9e4e0a9d | 2019 | static void annotation__calc_percent(struct annotation *notes, |
32dcd021 | 2020 | struct evsel *leader, s64 len) |
073ae601 JO |
2021 | { |
2022 | struct annotation_line *al, *next; | |
32dcd021 | 2023 | struct evsel *evsel; |
073ae601 JO |
2024 | |
2025 | list_for_each_entry(al, ¬es->src->source, node) { | |
2026 | s64 end; | |
2bcf7306 | 2027 | int i = 0; |
073ae601 JO |
2028 | |
2029 | if (al->offset == -1) | |
2030 | continue; | |
2031 | ||
2032 | next = annotation_line__next(al, ¬es->src->source); | |
2033 | end = next ? next->offset : len; | |
2034 | ||
2bcf7306 | 2035 | for_each_group_evsel(evsel, leader) { |
75a8c1ff | 2036 | struct hists *hists = evsel__hists(evsel); |
0440af74 | 2037 | struct annotation_data *data; |
48a1e4f2 | 2038 | struct sym_hist *sym_hist; |
073ae601 | 2039 | |
2bcf7306 JO |
2040 | BUG_ON(i >= al->data_nr); |
2041 | ||
2042 | sym_hist = annotation__histogram(notes, evsel->idx); | |
2043 | data = &al->data[i++]; | |
073ae601 | 2044 | |
75a8c1ff | 2045 | calc_percent(sym_hist, hists, data, al->offset, end); |
073ae601 JO |
2046 | } |
2047 | } | |
073ae601 JO |
2048 | } |
2049 | ||
32dcd021 | 2050 | void symbol__calc_percent(struct symbol *sym, struct evsel *evsel) |
073ae601 JO |
2051 | { |
2052 | struct annotation *notes = symbol__annotation(sym); | |
2053 | ||
9e4e0a9d | 2054 | annotation__calc_percent(notes, evsel, symbol__size(sym)); |
073ae601 JO |
2055 | } |
2056 | ||
c34df25b | 2057 | int symbol__annotate(struct symbol *sym, struct map *map, |
32dcd021 | 2058 | struct evsel *evsel, size_t privsize, |
380195e2 | 2059 | struct annotation_options *options, |
5449f13c | 2060 | struct arch **parch) |
c34df25b | 2061 | { |
11db1ad4 | 2062 | struct annotation *notes = symbol__annotation(sym); |
ea07c5aa JO |
2063 | struct annotate_args args = { |
2064 | .privsize = privsize, | |
d03a686e | 2065 | .evsel = evsel, |
380195e2 | 2066 | .options = options, |
ea07c5aa | 2067 | }; |
5449f13c | 2068 | struct perf_env *env = perf_evsel__env(evsel); |
3285deba | 2069 | const char *arch_name = perf_env__arch(env); |
c34df25b JO |
2070 | struct arch *arch; |
2071 | int err; | |
2072 | ||
c34df25b JO |
2073 | if (!arch_name) |
2074 | return -1; | |
2075 | ||
24fe7b88 | 2076 | args.arch = arch = arch__find(arch_name); |
c34df25b JO |
2077 | if (arch == NULL) |
2078 | return -ENOTSUP; | |
2079 | ||
2080 | if (parch) | |
2081 | *parch = arch; | |
2082 | ||
2083 | if (arch->init) { | |
5449f13c | 2084 | err = arch->init(arch, env ? env->cpuid : NULL); |
c34df25b JO |
2085 | if (err) { |
2086 | pr_err("%s: failed to initialize %s arch priv area\n", __func__, arch->name); | |
2087 | return err; | |
2088 | } | |
2089 | } | |
2090 | ||
85a84e4f ACM |
2091 | args.ms.map = map; |
2092 | args.ms.sym = sym; | |
11db1ad4 | 2093 | notes->start = map__rip_2objdump(map, sym->start); |
85a84e4f | 2094 | |
05d3f1a1 | 2095 | return symbol__disassemble(sym, &args); |
c34df25b JO |
2096 | } |
2097 | ||
c849c12c JO |
2098 | static void insert_source_line(struct rb_root *root, struct annotation_line *al, |
2099 | struct annotation_options *opts) | |
78f7defe | 2100 | { |
8b4c74dc | 2101 | struct annotation_line *iter; |
78f7defe ACM |
2102 | struct rb_node **p = &root->rb_node; |
2103 | struct rb_node *parent = NULL; | |
1491c22a | 2104 | int i, ret; |
78f7defe ACM |
2105 | |
2106 | while (*p != NULL) { | |
2107 | parent = *p; | |
8b4c74dc | 2108 | iter = rb_entry(parent, struct annotation_line, rb_node); |
78f7defe | 2109 | |
8b4c74dc | 2110 | ret = strcmp(iter->path, al->path); |
41127965 | 2111 | if (ret == 0) { |
6d9f0c2d JO |
2112 | for (i = 0; i < al->data_nr; i++) { |
2113 | iter->data[i].percent_sum += annotation_data__percent(&al->data[i], | |
c849c12c | 2114 | opts->percent_type); |
6d9f0c2d | 2115 | } |
41127965 NK |
2116 | return; |
2117 | } | |
2118 | ||
2119 | if (ret < 0) | |
2120 | p = &(*p)->rb_left; | |
2121 | else | |
2122 | p = &(*p)->rb_right; | |
2123 | } | |
2124 | ||
6d9f0c2d JO |
2125 | for (i = 0; i < al->data_nr; i++) { |
2126 | al->data[i].percent_sum = annotation_data__percent(&al->data[i], | |
c849c12c | 2127 | opts->percent_type); |
6d9f0c2d | 2128 | } |
41127965 | 2129 | |
8b4c74dc JO |
2130 | rb_link_node(&al->rb_node, parent, p); |
2131 | rb_insert_color(&al->rb_node, root); | |
41127965 NK |
2132 | } |
2133 | ||
8b4c74dc | 2134 | static int cmp_source_line(struct annotation_line *a, struct annotation_line *b) |
1491c22a NK |
2135 | { |
2136 | int i; | |
2137 | ||
c2f938ba JO |
2138 | for (i = 0; i < a->data_nr; i++) { |
2139 | if (a->data[i].percent_sum == b->data[i].percent_sum) | |
1491c22a | 2140 | continue; |
c2f938ba | 2141 | return a->data[i].percent_sum > b->data[i].percent_sum; |
1491c22a NK |
2142 | } |
2143 | ||
2144 | return 0; | |
2145 | } | |
2146 | ||
8b4c74dc | 2147 | static void __resort_source_line(struct rb_root *root, struct annotation_line *al) |
41127965 | 2148 | { |
8b4c74dc | 2149 | struct annotation_line *iter; |
41127965 NK |
2150 | struct rb_node **p = &root->rb_node; |
2151 | struct rb_node *parent = NULL; | |
2152 | ||
2153 | while (*p != NULL) { | |
2154 | parent = *p; | |
8b4c74dc | 2155 | iter = rb_entry(parent, struct annotation_line, rb_node); |
41127965 | 2156 | |
8b4c74dc | 2157 | if (cmp_source_line(al, iter)) |
78f7defe ACM |
2158 | p = &(*p)->rb_left; |
2159 | else | |
2160 | p = &(*p)->rb_right; | |
2161 | } | |
2162 | ||
8b4c74dc JO |
2163 | rb_link_node(&al->rb_node, parent, p); |
2164 | rb_insert_color(&al->rb_node, root); | |
78f7defe ACM |
2165 | } |
2166 | ||
41127965 NK |
2167 | static void resort_source_line(struct rb_root *dest_root, struct rb_root *src_root) |
2168 | { | |
8b4c74dc | 2169 | struct annotation_line *al; |
41127965 NK |
2170 | struct rb_node *node; |
2171 | ||
2172 | node = rb_first(src_root); | |
2173 | while (node) { | |
2174 | struct rb_node *next; | |
2175 | ||
8b4c74dc | 2176 | al = rb_entry(node, struct annotation_line, rb_node); |
41127965 NK |
2177 | next = rb_next(node); |
2178 | rb_erase(node, src_root); | |
2179 | ||
8b4c74dc | 2180 | __resort_source_line(dest_root, al); |
41127965 NK |
2181 | node = next; |
2182 | } | |
2183 | } | |
2184 | ||
78f7defe ACM |
2185 | static void print_summary(struct rb_root *root, const char *filename) |
2186 | { | |
8b4c74dc | 2187 | struct annotation_line *al; |
78f7defe ACM |
2188 | struct rb_node *node; |
2189 | ||
2190 | printf("\nSorted summary for file %s\n", filename); | |
2191 | printf("----------------------------------------------\n\n"); | |
2192 | ||
2193 | if (RB_EMPTY_ROOT(root)) { | |
2194 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); | |
2195 | return; | |
2196 | } | |
2197 | ||
2198 | node = rb_first(root); | |
2199 | while (node) { | |
1491c22a | 2200 | double percent, percent_max = 0.0; |
78f7defe ACM |
2201 | const char *color; |
2202 | char *path; | |
1491c22a | 2203 | int i; |
78f7defe | 2204 | |
8b4c74dc | 2205 | al = rb_entry(node, struct annotation_line, rb_node); |
c2f938ba JO |
2206 | for (i = 0; i < al->data_nr; i++) { |
2207 | percent = al->data[i].percent_sum; | |
1491c22a NK |
2208 | color = get_percent_color(percent); |
2209 | color_fprintf(stdout, color, " %7.2f", percent); | |
2210 | ||
2211 | if (percent > percent_max) | |
2212 | percent_max = percent; | |
2213 | } | |
2214 | ||
8b4c74dc | 2215 | path = al->path; |
1491c22a | 2216 | color = get_percent_color(percent_max); |
f048d548 | 2217 | color_fprintf(stdout, color, " %s\n", path); |
78f7defe | 2218 | |
78f7defe ACM |
2219 | node = rb_next(node); |
2220 | } | |
2221 | } | |
2222 | ||
32dcd021 | 2223 | static void symbol__annotate_hits(struct symbol *sym, struct evsel *evsel) |
78f7defe ACM |
2224 | { |
2225 | struct annotation *notes = symbol__annotation(sym); | |
db8fd07a | 2226 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
1b2e2df4 | 2227 | u64 len = symbol__size(sym), offset; |
78f7defe ACM |
2228 | |
2229 | for (offset = 0; offset < len; ++offset) | |
896bccd3 | 2230 | if (h->addr[offset].nr_samples != 0) |
78f7defe | 2231 | printf("%*" PRIx64 ": %" PRIu64 "\n", BITS_PER_LONG / 2, |
896bccd3 | 2232 | sym->start + offset, h->addr[offset].nr_samples); |
8158683d | 2233 | printf("%*s: %" PRIu64 "\n", BITS_PER_LONG / 2, "h->nr_samples", h->nr_samples); |
78f7defe ACM |
2234 | } |
2235 | ||
f48e7c40 JO |
2236 | static int annotated_source__addr_fmt_width(struct list_head *lines, u64 start) |
2237 | { | |
2238 | char bf[32]; | |
2239 | struct annotation_line *line; | |
2240 | ||
2241 | list_for_each_entry_reverse(line, lines, node) { | |
2242 | if (line->offset != -1) | |
2243 | return scnprintf(bf, sizeof(bf), "%" PRIx64, start + line->offset); | |
2244 | } | |
2245 | ||
2246 | return 0; | |
2247 | } | |
2248 | ||
db8fd07a | 2249 | int symbol__annotate_printf(struct symbol *sym, struct map *map, |
32dcd021 | 2250 | struct evsel *evsel, |
982d410b | 2251 | struct annotation_options *opts) |
78f7defe ACM |
2252 | { |
2253 | struct dso *dso = map->dso; | |
bfd14b9a DA |
2254 | char *filename; |
2255 | const char *d_filename; | |
9cdbadce | 2256 | const char *evsel_name = perf_evsel__name(evsel); |
ce6f4fab | 2257 | struct annotation *notes = symbol__annotation(sym); |
135cce1b | 2258 | struct sym_hist *h = annotation__histogram(notes, evsel->idx); |
8f25b819 | 2259 | struct annotation_line *pos, *queue = NULL; |
058b4cc9 | 2260 | u64 start = map__rip_2objdump(map, sym->start); |
f48e7c40 | 2261 | int printed = 2, queue_len = 0, addr_fmt_width; |
36532461 | 2262 | int more = 0; |
982d410b | 2263 | bool context = opts->context; |
78f7defe | 2264 | u64 len; |
ce9ee4a2 | 2265 | int width = symbol_conf.show_total_period ? 12 : 8; |
53dd9b5f | 2266 | int graph_dotted_len; |
787e4da9 | 2267 | char buf[512]; |
78f7defe | 2268 | |
bfd14b9a DA |
2269 | filename = strdup(dso->long_name); |
2270 | if (!filename) | |
2271 | return -ENOMEM; | |
2272 | ||
982d410b | 2273 | if (opts->full_path) |
78f7defe ACM |
2274 | d_filename = filename; |
2275 | else | |
2276 | d_filename = basename(filename); | |
2277 | ||
1b2e2df4 | 2278 | len = symbol__size(sym); |
b1dd4432 | 2279 | |
787e4da9 | 2280 | if (perf_evsel__is_group_event(evsel)) { |
5643b1a5 | 2281 | width *= evsel->core.nr_members; |
787e4da9 JY |
2282 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); |
2283 | evsel_name = buf; | |
2284 | } | |
78f7defe | 2285 | |
4c04868f JO |
2286 | graph_dotted_len = printf(" %-*.*s| Source code & Disassembly of %s for %s (%" PRIu64 " samples, " |
2287 | "percent: %s)\n", | |
1ac39372 TS |
2288 | width, width, symbol_conf.show_total_period ? "Period" : |
2289 | symbol_conf.show_nr_samples ? "Samples" : "Percent", | |
4c04868f JO |
2290 | d_filename, evsel_name, h->nr_samples, |
2291 | percent_type_str(opts->percent_type)); | |
9cdbadce | 2292 | |
53dd9b5f | 2293 | printf("%-*.*s----\n", |
9cdbadce | 2294 | graph_dotted_len, graph_dotted_len, graph_dotted_line); |
78f7defe | 2295 | |
bb963e16 | 2296 | if (verbose > 0) |
db8fd07a | 2297 | symbol__annotate_hits(sym, evsel); |
78f7defe | 2298 | |
f48e7c40 JO |
2299 | addr_fmt_width = annotated_source__addr_fmt_width(¬es->src->source, start); |
2300 | ||
8f25b819 JO |
2301 | list_for_each_entry(pos, ¬es->src->source, node) { |
2302 | int err; | |
2303 | ||
d5e3d747 ACM |
2304 | if (context && queue == NULL) { |
2305 | queue = pos; | |
2306 | queue_len = 0; | |
2307 | } | |
2308 | ||
8f25b819 | 2309 | err = annotation_line__print(pos, sym, start, evsel, len, |
982d410b | 2310 | opts->min_pcnt, printed, opts->max_lines, |
796ca33d | 2311 | queue, addr_fmt_width, opts->percent_type); |
8f25b819 JO |
2312 | |
2313 | switch (err) { | |
36532461 ACM |
2314 | case 0: |
2315 | ++printed; | |
d5e3d747 ACM |
2316 | if (context) { |
2317 | printed += queue_len; | |
2318 | queue = NULL; | |
2319 | queue_len = 0; | |
2320 | } | |
36532461 ACM |
2321 | break; |
2322 | case 1: | |
2323 | /* filtered by max_lines */ | |
2324 | ++more; | |
d040bd36 | 2325 | break; |
36532461 ACM |
2326 | case -1: |
2327 | default: | |
d5e3d747 ACM |
2328 | /* |
2329 | * Filtered by min_pcnt or non IP lines when | |
2330 | * context != 0 | |
2331 | */ | |
2332 | if (!context) | |
2333 | break; | |
2334 | if (queue_len == context) | |
8f25b819 | 2335 | queue = list_entry(queue->node.next, typeof(*queue), node); |
d5e3d747 ACM |
2336 | else |
2337 | ++queue_len; | |
36532461 ACM |
2338 | break; |
2339 | } | |
2340 | } | |
2341 | ||
bfd14b9a DA |
2342 | free(filename); |
2343 | ||
36532461 ACM |
2344 | return more; |
2345 | } | |
f1e2701d | 2346 | |
befd2a38 ACM |
2347 | static void FILE__set_percent_color(void *fp __maybe_unused, |
2348 | double percent __maybe_unused, | |
2349 | bool current __maybe_unused) | |
2350 | { | |
2351 | } | |
2352 | ||
2353 | static int FILE__set_jumps_percent_color(void *fp __maybe_unused, | |
2354 | int nr __maybe_unused, bool current __maybe_unused) | |
2355 | { | |
2356 | return 0; | |
2357 | } | |
2358 | ||
2359 | static int FILE__set_color(void *fp __maybe_unused, int color __maybe_unused) | |
2360 | { | |
2361 | return 0; | |
2362 | } | |
2363 | ||
2364 | static void FILE__printf(void *fp, const char *fmt, ...) | |
2365 | { | |
2366 | va_list args; | |
2367 | ||
2368 | va_start(args, fmt); | |
2369 | vfprintf(fp, fmt, args); | |
2370 | va_end(args); | |
2371 | } | |
2372 | ||
2373 | static void FILE__write_graph(void *fp, int graph) | |
2374 | { | |
2375 | const char *s; | |
2376 | switch (graph) { | |
2377 | ||
2378 | case DARROW_CHAR: s = "↓"; break; | |
2379 | case UARROW_CHAR: s = "↑"; break; | |
2380 | case LARROW_CHAR: s = "←"; break; | |
2381 | case RARROW_CHAR: s = "→"; break; | |
2382 | default: s = "?"; break; | |
2383 | } | |
2384 | ||
2385 | fputs(s, fp); | |
2386 | } | |
2387 | ||
4c650ddc JO |
2388 | static int symbol__annotate_fprintf2(struct symbol *sym, FILE *fp, |
2389 | struct annotation_options *opts) | |
befd2a38 ACM |
2390 | { |
2391 | struct annotation *notes = symbol__annotation(sym); | |
4c650ddc | 2392 | struct annotation_write_ops wops = { |
befd2a38 ACM |
2393 | .first_line = true, |
2394 | .obj = fp, | |
2395 | .set_color = FILE__set_color, | |
2396 | .set_percent_color = FILE__set_percent_color, | |
2397 | .set_jumps_percent_color = FILE__set_jumps_percent_color, | |
2398 | .printf = FILE__printf, | |
2399 | .write_graph = FILE__write_graph, | |
2400 | }; | |
2401 | struct annotation_line *al; | |
2402 | ||
2403 | list_for_each_entry(al, ¬es->src->source, node) { | |
2404 | if (annotation_line__filter(al, notes)) | |
2405 | continue; | |
4c650ddc | 2406 | annotation_line__write(al, notes, &wops, opts); |
befd2a38 | 2407 | fputc('\n', fp); |
4c650ddc | 2408 | wops.first_line = false; |
befd2a38 ACM |
2409 | } |
2410 | ||
2411 | return 0; | |
2412 | } | |
2413 | ||
32dcd021 | 2414 | int map_symbol__annotation_dump(struct map_symbol *ms, struct evsel *evsel, |
4c650ddc | 2415 | struct annotation_options *opts) |
d9bd7665 ACM |
2416 | { |
2417 | const char *ev_name = perf_evsel__name(evsel); | |
2418 | char buf[1024]; | |
2419 | char *filename; | |
2420 | int err = -1; | |
2421 | FILE *fp; | |
2422 | ||
2423 | if (asprintf(&filename, "%s.annotation", ms->sym->name) < 0) | |
2424 | return -1; | |
2425 | ||
2426 | fp = fopen(filename, "w"); | |
2427 | if (fp == NULL) | |
2428 | goto out_free_filename; | |
2429 | ||
2430 | if (perf_evsel__is_group_event(evsel)) { | |
2431 | perf_evsel__group_desc(evsel, buf, sizeof(buf)); | |
2432 | ev_name = buf; | |
2433 | } | |
2434 | ||
2435 | fprintf(fp, "%s() %s\nEvent: %s\n\n", | |
2436 | ms->sym->name, ms->map->dso->long_name, ev_name); | |
4c650ddc | 2437 | symbol__annotate_fprintf2(ms->sym, fp, opts); |
d9bd7665 ACM |
2438 | |
2439 | fclose(fp); | |
2440 | err = 0; | |
2441 | out_free_filename: | |
2442 | free(filename); | |
2443 | return err; | |
2444 | } | |
2445 | ||
36532461 ACM |
2446 | void symbol__annotate_zero_histogram(struct symbol *sym, int evidx) |
2447 | { | |
2448 | struct annotation *notes = symbol__annotation(sym); | |
2449 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
2450 | ||
ce6f4fab | 2451 | memset(h, 0, notes->src->sizeof_sym_hist); |
36532461 ACM |
2452 | } |
2453 | ||
ce6f4fab | 2454 | void symbol__annotate_decay_histogram(struct symbol *sym, int evidx) |
36532461 ACM |
2455 | { |
2456 | struct annotation *notes = symbol__annotation(sym); | |
2457 | struct sym_hist *h = annotation__histogram(notes, evidx); | |
1b2e2df4 | 2458 | int len = symbol__size(sym), offset; |
36532461 | 2459 | |
8158683d | 2460 | h->nr_samples = 0; |
8b84a568 | 2461 | for (offset = 0; offset < len; ++offset) { |
896bccd3 | 2462 | h->addr[offset].nr_samples = h->addr[offset].nr_samples * 7 / 8; |
8158683d | 2463 | h->nr_samples += h->addr[offset].nr_samples; |
f1e2701d ACM |
2464 | } |
2465 | } | |
2466 | ||
f8eb37bd | 2467 | void annotated_source__purge(struct annotated_source *as) |
f1e2701d | 2468 | { |
f8eb37bd | 2469 | struct annotation_line *al, *n; |
f1e2701d | 2470 | |
f8eb37bd | 2471 | list_for_each_entry_safe(al, n, &as->source, node) { |
e56fbc9d | 2472 | list_del_init(&al->node); |
f8eb37bd | 2473 | disasm_line__free(disasm_line(al)); |
f1e2701d ACM |
2474 | } |
2475 | } | |
2476 | ||
5145418b ACM |
2477 | static size_t disasm_line__fprintf(struct disasm_line *dl, FILE *fp) |
2478 | { | |
2479 | size_t printed; | |
2480 | ||
d5490b96 JO |
2481 | if (dl->al.offset == -1) |
2482 | return fprintf(fp, "%s\n", dl->al.line); | |
5145418b | 2483 | |
d5490b96 | 2484 | printed = fprintf(fp, "%#" PRIx64 " %s", dl->al.offset, dl->ins.name); |
5145418b | 2485 | |
c7e6ead7 | 2486 | if (dl->ops.raw[0] != '\0') { |
5145418b | 2487 | printed += fprintf(fp, "%.*s %s\n", 6 - (int)printed, " ", |
c7e6ead7 | 2488 | dl->ops.raw); |
5145418b ACM |
2489 | } |
2490 | ||
2491 | return printed + fprintf(fp, "\n"); | |
2492 | } | |
2493 | ||
2494 | size_t disasm__fprintf(struct list_head *head, FILE *fp) | |
2495 | { | |
2496 | struct disasm_line *pos; | |
2497 | size_t printed = 0; | |
2498 | ||
a17c4ca0 | 2499 | list_for_each_entry(pos, head, al.node) |
5145418b ACM |
2500 | printed += disasm_line__fprintf(pos, fp); |
2501 | ||
2502 | return printed; | |
2503 | } | |
2504 | ||
2eff0611 | 2505 | bool disasm_line__is_valid_local_jump(struct disasm_line *dl, struct symbol *sym) |
0db45bcf ACM |
2506 | { |
2507 | if (!dl || !dl->ins.ops || !ins__is_jump(&dl->ins) || | |
2eff0611 | 2508 | !disasm_line__has_local_offset(dl) || dl->ops.target.offset < 0 || |
0db45bcf ACM |
2509 | dl->ops.target.offset >= (s64)symbol__size(sym)) |
2510 | return false; | |
2511 | ||
2512 | return true; | |
2513 | } | |
2514 | ||
2515 | void annotation__mark_jump_targets(struct annotation *notes, struct symbol *sym) | |
2516 | { | |
2517 | u64 offset, size = symbol__size(sym); | |
2518 | ||
2519 | /* PLT symbols contain external offsets */ | |
2520 | if (strstr(sym->name, "@plt")) | |
2521 | return; | |
2522 | ||
2523 | for (offset = 0; offset < size; ++offset) { | |
2524 | struct annotation_line *al = notes->offsets[offset]; | |
2525 | struct disasm_line *dl; | |
2526 | ||
2527 | dl = disasm_line(al); | |
2528 | ||
2eff0611 | 2529 | if (!disasm_line__is_valid_local_jump(dl, sym)) |
0db45bcf ACM |
2530 | continue; |
2531 | ||
2532 | al = notes->offsets[dl->ops.target.offset]; | |
2533 | ||
2534 | /* | |
2535 | * FIXME: Oops, no jump target? Buggy disassembler? Or do we | |
2536 | * have to adjust to the previous offset? | |
2537 | */ | |
2538 | if (al == NULL) | |
2539 | continue; | |
2540 | ||
2541 | if (++al->jump_sources > notes->max_jump_sources) | |
2542 | notes->max_jump_sources = al->jump_sources; | |
2543 | ||
2544 | ++notes->nr_jumps; | |
2545 | } | |
2546 | } | |
2547 | ||
5bc49f61 ACM |
2548 | void annotation__set_offsets(struct annotation *notes, s64 size) |
2549 | { | |
2550 | struct annotation_line *al; | |
2551 | ||
2552 | notes->max_line_len = 0; | |
2553 | ||
2554 | list_for_each_entry(al, ¬es->src->source, node) { | |
2555 | size_t line_len = strlen(al->line); | |
2556 | ||
2557 | if (notes->max_line_len < line_len) | |
2558 | notes->max_line_len = line_len; | |
2559 | al->idx = notes->nr_entries++; | |
2560 | if (al->offset != -1) { | |
2561 | al->idx_asm = notes->nr_asm_entries++; | |
2562 | /* | |
2563 | * FIXME: short term bandaid to cope with assembly | |
2564 | * routines that comes with labels in the same column | |
2565 | * as the address in objdump, sigh. | |
2566 | * | |
2567 | * E.g. copy_user_generic_unrolled | |
2568 | */ | |
2569 | if (al->offset < size) | |
2570 | notes->offsets[al->offset] = al; | |
2571 | } else | |
2572 | al->idx_asm = -1; | |
2573 | } | |
2574 | } | |
2575 | ||
b8b0d819 ACM |
2576 | static inline int width_jumps(int n) |
2577 | { | |
2578 | if (n >= 100) | |
2579 | return 5; | |
2580 | if (n / 10) | |
2581 | return 2; | |
2582 | return 1; | |
2583 | } | |
2584 | ||
bc3bb795 ACM |
2585 | static int annotation__max_ins_name(struct annotation *notes) |
2586 | { | |
2587 | int max_name = 0, len; | |
2588 | struct annotation_line *al; | |
2589 | ||
2590 | list_for_each_entry(al, ¬es->src->source, node) { | |
2591 | if (al->offset == -1) | |
2592 | continue; | |
2593 | ||
2594 | len = strlen(disasm_line(al)->ins.name); | |
2595 | if (max_name < len) | |
2596 | max_name = len; | |
2597 | } | |
2598 | ||
2599 | return max_name; | |
2600 | } | |
2601 | ||
b8b0d819 ACM |
2602 | void annotation__init_column_widths(struct annotation *notes, struct symbol *sym) |
2603 | { | |
2604 | notes->widths.addr = notes->widths.target = | |
2605 | notes->widths.min_addr = hex_width(symbol__size(sym)); | |
2606 | notes->widths.max_addr = hex_width(sym->end); | |
2607 | notes->widths.jumps = width_jumps(notes->max_jump_sources); | |
bc3bb795 | 2608 | notes->widths.max_ins_name = annotation__max_ins_name(notes); |
b8b0d819 ACM |
2609 | } |
2610 | ||
7232bf7a ACM |
2611 | void annotation__update_column_widths(struct annotation *notes) |
2612 | { | |
2613 | if (notes->options->use_offset) | |
2614 | notes->widths.target = notes->widths.min_addr; | |
2615 | else | |
2616 | notes->widths.target = notes->widths.max_addr; | |
2617 | ||
2618 | notes->widths.addr = notes->widths.target; | |
2619 | ||
2620 | if (notes->options->show_nr_jumps) | |
2621 | notes->widths.addr += notes->widths.jumps + 1; | |
2622 | } | |
2623 | ||
8b4c74dc | 2624 | static void annotation__calc_lines(struct annotation *notes, struct map *map, |
c849c12c JO |
2625 | struct rb_root *root, |
2626 | struct annotation_options *opts) | |
8b4c74dc JO |
2627 | { |
2628 | struct annotation_line *al; | |
2629 | struct rb_root tmp_root = RB_ROOT; | |
2630 | ||
2631 | list_for_each_entry(al, ¬es->src->source, node) { | |
2632 | double percent_max = 0.0; | |
2633 | int i; | |
2634 | ||
c2f938ba | 2635 | for (i = 0; i < al->data_nr; i++) { |
6d9f0c2d | 2636 | double percent; |
8b4c74dc | 2637 | |
6d9f0c2d | 2638 | percent = annotation_data__percent(&al->data[i], |
c849c12c | 2639 | opts->percent_type); |
8b4c74dc | 2640 | |
6d9f0c2d JO |
2641 | if (percent > percent_max) |
2642 | percent_max = percent; | |
8b4c74dc JO |
2643 | } |
2644 | ||
2645 | if (percent_max <= 0.5) | |
2646 | continue; | |
2647 | ||
425859ff ACM |
2648 | al->path = get_srcline(map->dso, notes->start + al->offset, NULL, |
2649 | false, true, notes->start + al->offset); | |
c849c12c | 2650 | insert_source_line(&tmp_root, al, opts); |
8b4c74dc JO |
2651 | } |
2652 | ||
2653 | resort_source_line(root, &tmp_root); | |
2654 | } | |
2655 | ||
2656 | static void symbol__calc_lines(struct symbol *sym, struct map *map, | |
c849c12c JO |
2657 | struct rb_root *root, |
2658 | struct annotation_options *opts) | |
8b4c74dc JO |
2659 | { |
2660 | struct annotation *notes = symbol__annotation(sym); | |
8b4c74dc | 2661 | |
c849c12c | 2662 | annotation__calc_lines(notes, map, root, opts); |
8b4c74dc JO |
2663 | } |
2664 | ||
befd2a38 | 2665 | int symbol__tty_annotate2(struct symbol *sym, struct map *map, |
32dcd021 | 2666 | struct evsel *evsel, |
982d410b | 2667 | struct annotation_options *opts) |
befd2a38 ACM |
2668 | { |
2669 | struct dso *dso = map->dso; | |
2670 | struct rb_root source_line = RB_ROOT; | |
0683d13c | 2671 | struct hists *hists = evsel__hists(evsel); |
864298f2 | 2672 | char buf[1024]; |
befd2a38 | 2673 | |
982d410b | 2674 | if (symbol__annotate2(sym, map, evsel, opts, NULL) < 0) |
befd2a38 ACM |
2675 | return -1; |
2676 | ||
982d410b ACM |
2677 | if (opts->print_lines) { |
2678 | srcline_full_filename = opts->full_path; | |
c849c12c | 2679 | symbol__calc_lines(sym, map, &source_line, opts); |
befd2a38 ACM |
2680 | print_summary(&source_line, dso->long_name); |
2681 | } | |
2682 | ||
0683d13c | 2683 | hists__scnprintf_title(hists, buf, sizeof(buf)); |
4c04868f JO |
2684 | fprintf(stdout, "%s, [percent: %s]\n%s() %s\n", |
2685 | buf, percent_type_str(opts->percent_type), sym->name, dso->long_name); | |
4c650ddc | 2686 | symbol__annotate_fprintf2(sym, stdout, opts); |
befd2a38 ACM |
2687 | |
2688 | annotated_source__purge(symbol__annotation(sym)->src); | |
2689 | ||
2690 | return 0; | |
2691 | } | |
2692 | ||
db8fd07a | 2693 | int symbol__tty_annotate(struct symbol *sym, struct map *map, |
32dcd021 | 2694 | struct evsel *evsel, |
982d410b | 2695 | struct annotation_options *opts) |
f1e2701d ACM |
2696 | { |
2697 | struct dso *dso = map->dso; | |
f1e2701d | 2698 | struct rb_root source_line = RB_ROOT; |
f1e2701d | 2699 | |
380195e2 | 2700 | if (symbol__annotate(sym, map, evsel, 0, opts, NULL) < 0) |
f1e2701d ACM |
2701 | return -1; |
2702 | ||
05d3f1a1 JO |
2703 | symbol__calc_percent(sym, evsel); |
2704 | ||
982d410b ACM |
2705 | if (opts->print_lines) { |
2706 | srcline_full_filename = opts->full_path; | |
c849c12c | 2707 | symbol__calc_lines(sym, map, &source_line, opts); |
86c98cab | 2708 | print_summary(&source_line, dso->long_name); |
78f7defe ACM |
2709 | } |
2710 | ||
982d410b | 2711 | symbol__annotate_printf(sym, map, evsel, opts); |
78f7defe | 2712 | |
f8eb37bd | 2713 | annotated_source__purge(symbol__annotation(sym)->src); |
f1e2701d | 2714 | |
78f7defe ACM |
2715 | return 0; |
2716 | } | |
f626adff | 2717 | |
48c65bda NK |
2718 | bool ui__has_annotation(void) |
2719 | { | |
2e0453af | 2720 | return use_browser == 1 && perf_hpp_list.sym; |
48c65bda | 2721 | } |
ecda45bd | 2722 | |
2f025ea0 | 2723 | |
5ecf7d30 | 2724 | static double annotation_line__max_percent(struct annotation_line *al, |
4c650ddc JO |
2725 | struct annotation *notes, |
2726 | unsigned int percent_type) | |
2f025ea0 ACM |
2727 | { |
2728 | double percent_max = 0.0; | |
2729 | int i; | |
2730 | ||
2731 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2732 | double percent; |
2733 | ||
2734 | percent = annotation_data__percent(&al->data[i], | |
4c650ddc | 2735 | percent_type); |
6d9f0c2d JO |
2736 | |
2737 | if (percent > percent_max) | |
2738 | percent_max = percent; | |
2f025ea0 ACM |
2739 | } |
2740 | ||
2741 | return percent_max; | |
2742 | } | |
2743 | ||
a1e9b74c ACM |
2744 | static void disasm_line__write(struct disasm_line *dl, struct annotation *notes, |
2745 | void *obj, char *bf, size_t size, | |
2746 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2747 | void (*obj__write_graph)(void *obj, int graph)) | |
2748 | { | |
2749 | if (dl->ins.ops && dl->ins.ops->scnprintf) { | |
2750 | if (ins__is_jump(&dl->ins)) { | |
751b1783 | 2751 | bool fwd; |
a1e9b74c | 2752 | |
751b1783 ACM |
2753 | if (dl->ops.target.outside) |
2754 | goto call_like; | |
2755 | fwd = dl->ops.target.offset > dl->al.offset; | |
a1e9b74c ACM |
2756 | obj__write_graph(obj, fwd ? DARROW_CHAR : UARROW_CHAR); |
2757 | obj__printf(obj, " "); | |
2758 | } else if (ins__is_call(&dl->ins)) { | |
751b1783 | 2759 | call_like: |
a1e9b74c ACM |
2760 | obj__write_graph(obj, RARROW_CHAR); |
2761 | obj__printf(obj, " "); | |
2762 | } else if (ins__is_ret(&dl->ins)) { | |
2763 | obj__write_graph(obj, LARROW_CHAR); | |
2764 | obj__printf(obj, " "); | |
2765 | } else { | |
2766 | obj__printf(obj, " "); | |
2767 | } | |
2768 | } else { | |
2769 | obj__printf(obj, " "); | |
2770 | } | |
2771 | ||
bc3bb795 | 2772 | disasm_line__scnprintf(dl, bf, size, !notes->options->use_offset, notes->widths.max_ins_name); |
a1e9b74c ACM |
2773 | } |
2774 | ||
ace4f8fa JY |
2775 | static void ipc_coverage_string(char *bf, int size, struct annotation *notes) |
2776 | { | |
2777 | double ipc = 0.0, coverage = 0.0; | |
2778 | ||
2779 | if (notes->hit_cycles) | |
2780 | ipc = notes->hit_insn / ((double)notes->hit_cycles); | |
2781 | ||
2782 | if (notes->total_insn) { | |
2783 | coverage = notes->cover_insn * 100.0 / | |
2784 | ((double)notes->total_insn); | |
2785 | } | |
2786 | ||
2787 | scnprintf(bf, size, "(Average IPC: %.2f, IPC Coverage: %.1f%%)", | |
2788 | ipc, coverage); | |
2789 | } | |
2790 | ||
c298304b ACM |
2791 | static void __annotation_line__write(struct annotation_line *al, struct annotation *notes, |
2792 | bool first_line, bool current_entry, bool change_color, int width, | |
4c650ddc | 2793 | void *obj, unsigned int percent_type, |
c298304b ACM |
2794 | int (*obj__set_color)(void *obj, int color), |
2795 | void (*obj__set_percent_color)(void *obj, double percent, bool current), | |
2796 | int (*obj__set_jumps_percent_color)(void *obj, int nr, bool current), | |
2797 | void (*obj__printf)(void *obj, const char *fmt, ...), | |
2798 | void (*obj__write_graph)(void *obj, int graph)) | |
2799 | ||
2ba5eca1 | 2800 | { |
4c650ddc | 2801 | double percent_max = annotation_line__max_percent(al, notes, percent_type); |
a1e9b74c ACM |
2802 | int pcnt_width = annotation__pcnt_width(notes), |
2803 | cycles_width = annotation__cycles_width(notes); | |
2ba5eca1 | 2804 | bool show_title = false; |
a1e9b74c ACM |
2805 | char bf[256]; |
2806 | int printed; | |
2ba5eca1 ACM |
2807 | |
2808 | if (first_line && (al->offset == -1 || percent_max == 0.0)) { | |
2809 | if (notes->have_cycles) { | |
2810 | if (al->ipc == 0.0 && al->cycles == 0) | |
2811 | show_title = true; | |
2812 | } else | |
2813 | show_title = true; | |
2814 | } | |
2815 | ||
2ba5eca1 ACM |
2816 | if (al->offset != -1 && percent_max != 0.0) { |
2817 | int i; | |
2818 | ||
2819 | for (i = 0; i < notes->nr_events; i++) { | |
6d9f0c2d JO |
2820 | double percent; |
2821 | ||
4c650ddc | 2822 | percent = annotation_data__percent(&al->data[i], percent_type); |
6d9f0c2d JO |
2823 | |
2824 | obj__set_percent_color(obj, percent, current_entry); | |
2ba5eca1 | 2825 | if (notes->options->show_total_period) { |
c2f938ba | 2826 | obj__printf(obj, "%11" PRIu64 " ", al->data[i].he.period); |
2ba5eca1 ACM |
2827 | } else if (notes->options->show_nr_samples) { |
2828 | obj__printf(obj, "%6" PRIu64 " ", | |
c2f938ba | 2829 | al->data[i].he.nr_samples); |
2ba5eca1 | 2830 | } else { |
6d9f0c2d | 2831 | obj__printf(obj, "%6.2f ", percent); |
2ba5eca1 ACM |
2832 | } |
2833 | } | |
2834 | } else { | |
2ba5eca1 ACM |
2835 | obj__set_percent_color(obj, 0, current_entry); |
2836 | ||
2837 | if (!show_title) | |
a1e9b74c | 2838 | obj__printf(obj, "%-*s", pcnt_width, " "); |
2ba5eca1 | 2839 | else { |
a1e9b74c | 2840 | obj__printf(obj, "%-*s", pcnt_width, |
2ba5eca1 ACM |
2841 | notes->options->show_total_period ? "Period" : |
2842 | notes->options->show_nr_samples ? "Samples" : "Percent"); | |
2843 | } | |
2844 | } | |
2845 | ||
2846 | if (notes->have_cycles) { | |
2847 | if (al->ipc) | |
2848 | obj__printf(obj, "%*.2f ", ANNOTATION__IPC_WIDTH - 1, al->ipc); | |
2849 | else if (!show_title) | |
2850 | obj__printf(obj, "%*s", ANNOTATION__IPC_WIDTH, " "); | |
2851 | else | |
2852 | obj__printf(obj, "%*s ", ANNOTATION__IPC_WIDTH - 1, "IPC"); | |
2853 | ||
3e71fc03 JY |
2854 | if (!notes->options->show_minmax_cycle) { |
2855 | if (al->cycles) | |
2856 | obj__printf(obj, "%*" PRIu64 " ", | |
2ba5eca1 | 2857 | ANNOTATION__CYCLES_WIDTH - 1, al->cycles); |
3e71fc03 JY |
2858 | else if (!show_title) |
2859 | obj__printf(obj, "%*s", | |
2860 | ANNOTATION__CYCLES_WIDTH, " "); | |
2861 | else | |
2862 | obj__printf(obj, "%*s ", | |
2863 | ANNOTATION__CYCLES_WIDTH - 1, | |
2864 | "Cycle"); | |
2865 | } else { | |
2866 | if (al->cycles) { | |
2867 | char str[32]; | |
2868 | ||
2869 | scnprintf(str, sizeof(str), | |
2870 | "%" PRIu64 "(%" PRIu64 "/%" PRIu64 ")", | |
2871 | al->cycles, al->cycles_min, | |
2872 | al->cycles_max); | |
2873 | ||
2874 | obj__printf(obj, "%*s ", | |
2875 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2876 | str); | |
2877 | } else if (!show_title) | |
2878 | obj__printf(obj, "%*s", | |
2879 | ANNOTATION__MINMAX_CYCLES_WIDTH, | |
2880 | " "); | |
2881 | else | |
2882 | obj__printf(obj, "%*s ", | |
2883 | ANNOTATION__MINMAX_CYCLES_WIDTH - 1, | |
2884 | "Cycle(min/max)"); | |
2885 | } | |
ace4f8fa JY |
2886 | |
2887 | if (show_title && !*al->line) { | |
2888 | ipc_coverage_string(bf, sizeof(bf), notes); | |
2889 | obj__printf(obj, "%*s", ANNOTATION__AVG_IPC_WIDTH, bf); | |
2890 | } | |
2ba5eca1 ACM |
2891 | } |
2892 | ||
2893 | obj__printf(obj, " "); | |
a1e9b74c ACM |
2894 | |
2895 | if (!*al->line) | |
2896 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width, " "); | |
2897 | else if (al->offset == -1) { | |
2898 | if (al->line_nr && notes->options->show_linenr) | |
2899 | printed = scnprintf(bf, sizeof(bf), "%-*d ", notes->widths.addr + 1, al->line_nr); | |
2900 | else | |
2901 | printed = scnprintf(bf, sizeof(bf), "%-*s ", notes->widths.addr, " "); | |
2902 | obj__printf(obj, bf); | |
2903 | obj__printf(obj, "%-*s", width - printed - pcnt_width - cycles_width + 1, al->line); | |
2904 | } else { | |
2905 | u64 addr = al->offset; | |
2906 | int color = -1; | |
2907 | ||
2908 | if (!notes->options->use_offset) | |
2909 | addr += notes->start; | |
2910 | ||
2911 | if (!notes->options->use_offset) { | |
2912 | printed = scnprintf(bf, sizeof(bf), "%" PRIx64 ": ", addr); | |
2913 | } else { | |
592c10e2 ACM |
2914 | if (al->jump_sources && |
2915 | notes->options->offset_level >= ANNOTATION__OFFSET_JUMP_TARGETS) { | |
a1e9b74c ACM |
2916 | if (notes->options->show_nr_jumps) { |
2917 | int prev; | |
2918 | printed = scnprintf(bf, sizeof(bf), "%*d ", | |
2919 | notes->widths.jumps, | |
2920 | al->jump_sources); | |
2921 | prev = obj__set_jumps_percent_color(obj, al->jump_sources, | |
2922 | current_entry); | |
2923 | obj__printf(obj, bf); | |
2924 | obj__set_color(obj, prev); | |
2925 | } | |
592c10e2 | 2926 | print_addr: |
a1e9b74c ACM |
2927 | printed = scnprintf(bf, sizeof(bf), "%*" PRIx64 ": ", |
2928 | notes->widths.target, addr); | |
592c10e2 ACM |
2929 | } else if (ins__is_call(&disasm_line(al)->ins) && |
2930 | notes->options->offset_level >= ANNOTATION__OFFSET_CALL) { | |
2931 | goto print_addr; | |
2932 | } else if (notes->options->offset_level == ANNOTATION__MAX_OFFSET_LEVEL) { | |
2933 | goto print_addr; | |
a1e9b74c ACM |
2934 | } else { |
2935 | printed = scnprintf(bf, sizeof(bf), "%-*s ", | |
2936 | notes->widths.addr, " "); | |
2937 | } | |
2938 | } | |
2939 | ||
2940 | if (change_color) | |
2941 | color = obj__set_color(obj, HE_COLORSET_ADDR); | |
2942 | obj__printf(obj, bf); | |
2943 | if (change_color) | |
2944 | obj__set_color(obj, color); | |
2945 | ||
2946 | disasm_line__write(disasm_line(al), notes, obj, bf, sizeof(bf), obj__printf, obj__write_graph); | |
2947 | ||
2948 | obj__printf(obj, "%-*s", width - pcnt_width - cycles_width - 3 - printed, bf); | |
2949 | } | |
2950 | ||
2ba5eca1 ACM |
2951 | } |
2952 | ||
c298304b | 2953 | void annotation_line__write(struct annotation_line *al, struct annotation *notes, |
4c650ddc JO |
2954 | struct annotation_write_ops *wops, |
2955 | struct annotation_options *opts) | |
c298304b | 2956 | { |
4c650ddc JO |
2957 | __annotation_line__write(al, notes, wops->first_line, wops->current_entry, |
2958 | wops->change_color, wops->width, wops->obj, | |
2959 | opts->percent_type, | |
2960 | wops->set_color, wops->set_percent_color, | |
2961 | wops->set_jumps_percent_color, wops->printf, | |
2962 | wops->write_graph); | |
c298304b ACM |
2963 | } |
2964 | ||
32dcd021 | 2965 | int symbol__annotate2(struct symbol *sym, struct map *map, struct evsel *evsel, |
ecda45bd ACM |
2966 | struct annotation_options *options, struct arch **parch) |
2967 | { | |
2968 | struct annotation *notes = symbol__annotation(sym); | |
2969 | size_t size = symbol__size(sym); | |
2970 | int nr_pcnt = 1, err; | |
2971 | ||
2972 | notes->offsets = zalloc(size * sizeof(struct annotation_line *)); | |
2973 | if (notes->offsets == NULL) | |
2974 | return -1; | |
2975 | ||
2976 | if (perf_evsel__is_group_event(evsel)) | |
5643b1a5 | 2977 | nr_pcnt = evsel->core.nr_members; |
ecda45bd | 2978 | |
380195e2 | 2979 | err = symbol__annotate(sym, map, evsel, 0, options, parch); |
ecda45bd ACM |
2980 | if (err) |
2981 | goto out_free_offsets; | |
2982 | ||
2983 | notes->options = options; | |
2984 | ||
2985 | symbol__calc_percent(sym, evsel); | |
2986 | ||
ecda45bd ACM |
2987 | annotation__set_offsets(notes, size); |
2988 | annotation__mark_jump_targets(notes, sym); | |
2989 | annotation__compute_ipc(notes, size); | |
2990 | annotation__init_column_widths(notes, sym); | |
2991 | notes->nr_events = nr_pcnt; | |
2992 | ||
2993 | annotation__update_column_widths(notes); | |
246fda09 | 2994 | sym->annotate2 = true; |
ecda45bd ACM |
2995 | |
2996 | return 0; | |
2997 | ||
2998 | out_free_offsets: | |
2999 | zfree(¬es->offsets); | |
3000 | return -1; | |
3001 | } | |
7f0b6fde ACM |
3002 | |
3003 | #define ANNOTATION__CFG(n) \ | |
3004 | { .name = #n, .value = &annotation__default_options.n, } | |
3005 | ||
3006 | /* | |
3007 | * Keep the entries sorted, they are bsearch'ed | |
3008 | */ | |
3009 | static struct annotation_config { | |
3010 | const char *name; | |
43c40231 | 3011 | void *value; |
7f0b6fde ACM |
3012 | } annotation__configs[] = { |
3013 | ANNOTATION__CFG(hide_src_code), | |
3014 | ANNOTATION__CFG(jump_arrows), | |
43c40231 | 3015 | ANNOTATION__CFG(offset_level), |
7f0b6fde ACM |
3016 | ANNOTATION__CFG(show_linenr), |
3017 | ANNOTATION__CFG(show_nr_jumps), | |
3018 | ANNOTATION__CFG(show_nr_samples), | |
3019 | ANNOTATION__CFG(show_total_period), | |
3020 | ANNOTATION__CFG(use_offset), | |
3021 | }; | |
3022 | ||
3023 | #undef ANNOTATION__CFG | |
3024 | ||
3025 | static int annotation_config__cmp(const void *name, const void *cfgp) | |
3026 | { | |
3027 | const struct annotation_config *cfg = cfgp; | |
3028 | ||
3029 | return strcmp(name, cfg->name); | |
3030 | } | |
3031 | ||
3032 | static int annotation__config(const char *var, const char *value, | |
3033 | void *data __maybe_unused) | |
3034 | { | |
3035 | struct annotation_config *cfg; | |
3036 | const char *name; | |
3037 | ||
3038 | if (!strstarts(var, "annotate.")) | |
3039 | return 0; | |
3040 | ||
3041 | name = var + 9; | |
3042 | cfg = bsearch(name, annotation__configs, ARRAY_SIZE(annotation__configs), | |
3043 | sizeof(struct annotation_config), annotation_config__cmp); | |
3044 | ||
3045 | if (cfg == NULL) | |
3046 | pr_debug("%s variable unknown, ignoring...", var); | |
43c40231 ACM |
3047 | else if (strcmp(var, "annotate.offset_level") == 0) { |
3048 | perf_config_int(cfg->value, name, value); | |
3049 | ||
3050 | if (*(int *)cfg->value > ANNOTATION__MAX_OFFSET_LEVEL) | |
3051 | *(int *)cfg->value = ANNOTATION__MAX_OFFSET_LEVEL; | |
3052 | else if (*(int *)cfg->value < ANNOTATION__MIN_OFFSET_LEVEL) | |
3053 | *(int *)cfg->value = ANNOTATION__MIN_OFFSET_LEVEL; | |
3054 | } else { | |
3055 | *(bool *)cfg->value = perf_config_bool(name, value); | |
3056 | } | |
7f0b6fde ACM |
3057 | return 0; |
3058 | } | |
3059 | ||
3060 | void annotation_config__init(void) | |
3061 | { | |
3062 | perf_config(annotation__config, NULL); | |
3063 | ||
3064 | annotation__default_options.show_total_period = symbol_conf.show_total_period; | |
3065 | annotation__default_options.show_nr_samples = symbol_conf.show_nr_samples; | |
3066 | } | |
88c21190 JO |
3067 | |
3068 | static unsigned int parse_percent_type(char *str1, char *str2) | |
3069 | { | |
3070 | unsigned int type = (unsigned int) -1; | |
3071 | ||
3072 | if (!strcmp("period", str1)) { | |
3073 | if (!strcmp("local", str2)) | |
3074 | type = PERCENT_PERIOD_LOCAL; | |
3075 | else if (!strcmp("global", str2)) | |
3076 | type = PERCENT_PERIOD_GLOBAL; | |
3077 | } | |
3078 | ||
3079 | if (!strcmp("hits", str1)) { | |
3080 | if (!strcmp("local", str2)) | |
3081 | type = PERCENT_HITS_LOCAL; | |
3082 | else if (!strcmp("global", str2)) | |
3083 | type = PERCENT_HITS_GLOBAL; | |
3084 | } | |
3085 | ||
3086 | return type; | |
3087 | } | |
3088 | ||
3089 | int annotate_parse_percent_type(const struct option *opt, const char *_str, | |
3090 | int unset __maybe_unused) | |
3091 | { | |
3092 | struct annotation_options *opts = opt->value; | |
3093 | unsigned int type; | |
3094 | char *str1, *str2; | |
3095 | int err = -1; | |
3096 | ||
3097 | str1 = strdup(_str); | |
3098 | if (!str1) | |
3099 | return -ENOMEM; | |
3100 | ||
3101 | str2 = strchr(str1, '-'); | |
3102 | if (!str2) | |
3103 | goto out; | |
3104 | ||
3105 | *str2++ = 0; | |
3106 | ||
3107 | type = parse_percent_type(str1, str2); | |
3108 | if (type == (unsigned int) -1) | |
3109 | type = parse_percent_type(str2, str1); | |
3110 | if (type != (unsigned int) -1) { | |
3111 | opts->percent_type = type; | |
3112 | err = 0; | |
3113 | } | |
3114 | ||
3115 | out: | |
3116 | free(str1); | |
3117 | return err; | |
3118 | } |