Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1 | /* |
| 2 | * builtin-annotate.c |
| 3 | * |
| 4 | * Builtin annotate command: Analyze the perf.data input file, |
| 5 | * look up and read DSOs and symbol information and display |
| 6 | * a histogram of results, along various sorting keys. |
| 7 | */ |
| 8 | #include "builtin.h" |
| 9 | |
| 10 | #include "util/util.h" |
| 11 | |
| 12 | #include "util/color.h" |
Arnaldo Carvalho de Melo | 5da5025 | 2009-07-01 14:46:08 -0300 | [diff] [blame] | 13 | #include <linux/list.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 14 | #include "util/cache.h" |
Arnaldo Carvalho de Melo | 43cbcd8 | 2009-07-01 12:28:37 -0300 | [diff] [blame] | 15 | #include <linux/rbtree.h> |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 16 | #include "util/symbol.h" |
| 17 | #include "util/string.h" |
| 18 | |
| 19 | #include "perf.h" |
Frederic Weisbecker | 8f28827 | 2009-08-16 22:05:48 +0200 | [diff] [blame] | 20 | #include "util/debug.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 21 | |
| 22 | #include "util/parse-options.h" |
| 23 | #include "util/parse-events.h" |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 24 | #include "util/thread.h" |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 25 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 26 | static char const *input_name = "perf.data"; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 27 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 28 | static char default_sort_order[] = "comm,symbol"; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 29 | static char *sort_order = default_sort_order; |
| 30 | |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 31 | static int force; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 32 | static int input; |
| 33 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; |
| 34 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 35 | static int full_paths; |
| 36 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 37 | static int print_line; |
| 38 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 39 | static unsigned long page_size; |
| 40 | static unsigned long mmap_window = 32; |
| 41 | |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 42 | static struct rb_root threads; |
| 43 | static struct thread *last_match; |
| 44 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 45 | |
| 46 | struct sym_ext { |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 47 | struct rb_node node; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 48 | double percent; |
| 49 | char *path; |
| 50 | }; |
| 51 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 52 | /* |
| 53 | * histogram, sorted on item, collects counts |
| 54 | */ |
| 55 | |
| 56 | static struct rb_root hist; |
| 57 | |
| 58 | struct hist_entry { |
| 59 | struct rb_node rb_node; |
| 60 | |
| 61 | struct thread *thread; |
| 62 | struct map *map; |
| 63 | struct dso *dso; |
| 64 | struct symbol *sym; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 65 | u64 ip; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 66 | char level; |
| 67 | |
| 68 | uint32_t count; |
| 69 | }; |
| 70 | |
| 71 | /* |
| 72 | * configurable sorting bits |
| 73 | */ |
| 74 | |
| 75 | struct sort_entry { |
| 76 | struct list_head list; |
| 77 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 78 | const char *header; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 79 | |
| 80 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); |
| 81 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); |
| 82 | size_t (*print)(FILE *fp, struct hist_entry *); |
| 83 | }; |
| 84 | |
| 85 | /* --sort pid */ |
| 86 | |
| 87 | static int64_t |
| 88 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) |
| 89 | { |
| 90 | return right->thread->pid - left->thread->pid; |
| 91 | } |
| 92 | |
| 93 | static size_t |
| 94 | sort__thread_print(FILE *fp, struct hist_entry *self) |
| 95 | { |
| 96 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); |
| 97 | } |
| 98 | |
| 99 | static struct sort_entry sort_thread = { |
| 100 | .header = " Command: Pid", |
| 101 | .cmp = sort__thread_cmp, |
| 102 | .print = sort__thread_print, |
| 103 | }; |
| 104 | |
| 105 | /* --sort comm */ |
| 106 | |
| 107 | static int64_t |
| 108 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) |
| 109 | { |
| 110 | return right->thread->pid - left->thread->pid; |
| 111 | } |
| 112 | |
| 113 | static int64_t |
| 114 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) |
| 115 | { |
| 116 | char *comm_l = left->thread->comm; |
| 117 | char *comm_r = right->thread->comm; |
| 118 | |
| 119 | if (!comm_l || !comm_r) { |
| 120 | if (!comm_l && !comm_r) |
| 121 | return 0; |
| 122 | else if (!comm_l) |
| 123 | return -1; |
| 124 | else |
| 125 | return 1; |
| 126 | } |
| 127 | |
| 128 | return strcmp(comm_l, comm_r); |
| 129 | } |
| 130 | |
| 131 | static size_t |
| 132 | sort__comm_print(FILE *fp, struct hist_entry *self) |
| 133 | { |
| 134 | return fprintf(fp, "%16s", self->thread->comm); |
| 135 | } |
| 136 | |
| 137 | static struct sort_entry sort_comm = { |
| 138 | .header = " Command", |
| 139 | .cmp = sort__comm_cmp, |
| 140 | .collapse = sort__comm_collapse, |
| 141 | .print = sort__comm_print, |
| 142 | }; |
| 143 | |
| 144 | /* --sort dso */ |
| 145 | |
| 146 | static int64_t |
| 147 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) |
| 148 | { |
| 149 | struct dso *dso_l = left->dso; |
| 150 | struct dso *dso_r = right->dso; |
| 151 | |
| 152 | if (!dso_l || !dso_r) { |
| 153 | if (!dso_l && !dso_r) |
| 154 | return 0; |
| 155 | else if (!dso_l) |
| 156 | return -1; |
| 157 | else |
| 158 | return 1; |
| 159 | } |
| 160 | |
| 161 | return strcmp(dso_l->name, dso_r->name); |
| 162 | } |
| 163 | |
| 164 | static size_t |
| 165 | sort__dso_print(FILE *fp, struct hist_entry *self) |
| 166 | { |
| 167 | if (self->dso) |
| 168 | return fprintf(fp, "%-25s", self->dso->name); |
| 169 | |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 170 | return fprintf(fp, "%016llx ", (u64)self->ip); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 171 | } |
| 172 | |
| 173 | static struct sort_entry sort_dso = { |
| 174 | .header = "Shared Object ", |
| 175 | .cmp = sort__dso_cmp, |
| 176 | .print = sort__dso_print, |
| 177 | }; |
| 178 | |
| 179 | /* --sort symbol */ |
| 180 | |
| 181 | static int64_t |
| 182 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) |
| 183 | { |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 184 | u64 ip_l, ip_r; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 185 | |
| 186 | if (left->sym == right->sym) |
| 187 | return 0; |
| 188 | |
| 189 | ip_l = left->sym ? left->sym->start : left->ip; |
| 190 | ip_r = right->sym ? right->sym->start : right->ip; |
| 191 | |
| 192 | return (int64_t)(ip_r - ip_l); |
| 193 | } |
| 194 | |
| 195 | static size_t |
| 196 | sort__sym_print(FILE *fp, struct hist_entry *self) |
| 197 | { |
| 198 | size_t ret = 0; |
| 199 | |
| 200 | if (verbose) |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 201 | ret += fprintf(fp, "%#018llx ", (u64)self->ip); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 202 | |
| 203 | if (self->sym) { |
| 204 | ret += fprintf(fp, "[%c] %s", |
| 205 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); |
| 206 | } else { |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 207 | ret += fprintf(fp, "%#016llx", (u64)self->ip); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 208 | } |
| 209 | |
| 210 | return ret; |
| 211 | } |
| 212 | |
| 213 | static struct sort_entry sort_sym = { |
| 214 | .header = "Symbol", |
| 215 | .cmp = sort__sym_cmp, |
| 216 | .print = sort__sym_print, |
| 217 | }; |
| 218 | |
| 219 | static int sort__need_collapse = 0; |
| 220 | |
| 221 | struct sort_dimension { |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 222 | const char *name; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 223 | struct sort_entry *entry; |
| 224 | int taken; |
| 225 | }; |
| 226 | |
| 227 | static struct sort_dimension sort_dimensions[] = { |
| 228 | { .name = "pid", .entry = &sort_thread, }, |
| 229 | { .name = "comm", .entry = &sort_comm, }, |
| 230 | { .name = "dso", .entry = &sort_dso, }, |
| 231 | { .name = "symbol", .entry = &sort_sym, }, |
| 232 | }; |
| 233 | |
| 234 | static LIST_HEAD(hist_entry__sort_list); |
| 235 | |
| 236 | static int sort_dimension__add(char *tok) |
| 237 | { |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 238 | unsigned int i; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 239 | |
| 240 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { |
| 241 | struct sort_dimension *sd = &sort_dimensions[i]; |
| 242 | |
| 243 | if (sd->taken) |
| 244 | continue; |
| 245 | |
| 246 | if (strncasecmp(tok, sd->name, strlen(tok))) |
| 247 | continue; |
| 248 | |
| 249 | if (sd->entry->collapse) |
| 250 | sort__need_collapse = 1; |
| 251 | |
| 252 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); |
| 253 | sd->taken = 1; |
| 254 | |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | return -ESRCH; |
| 259 | } |
| 260 | |
| 261 | static int64_t |
| 262 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) |
| 263 | { |
| 264 | struct sort_entry *se; |
| 265 | int64_t cmp = 0; |
| 266 | |
| 267 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
| 268 | cmp = se->cmp(left, right); |
| 269 | if (cmp) |
| 270 | break; |
| 271 | } |
| 272 | |
| 273 | return cmp; |
| 274 | } |
| 275 | |
| 276 | static int64_t |
| 277 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) |
| 278 | { |
| 279 | struct sort_entry *se; |
| 280 | int64_t cmp = 0; |
| 281 | |
| 282 | list_for_each_entry(se, &hist_entry__sort_list, list) { |
| 283 | int64_t (*f)(struct hist_entry *, struct hist_entry *); |
| 284 | |
| 285 | f = se->collapse ?: se->cmp; |
| 286 | |
| 287 | cmp = f(left, right); |
| 288 | if (cmp) |
| 289 | break; |
| 290 | } |
| 291 | |
| 292 | return cmp; |
| 293 | } |
| 294 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 295 | /* |
| 296 | * collect histogram counts |
| 297 | */ |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 298 | static void hist_hit(struct hist_entry *he, u64 ip) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 299 | { |
| 300 | unsigned int sym_size, offset; |
| 301 | struct symbol *sym = he->sym; |
| 302 | |
| 303 | he->count++; |
| 304 | |
| 305 | if (!sym || !sym->hist) |
| 306 | return; |
| 307 | |
| 308 | sym_size = sym->end - sym->start; |
| 309 | offset = ip - sym->start; |
| 310 | |
| 311 | if (offset >= sym_size) |
| 312 | return; |
| 313 | |
| 314 | sym->hist_sum++; |
| 315 | sym->hist[offset]++; |
| 316 | |
| 317 | if (verbose >= 3) |
| 318 | printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", |
Arjan van de Ven | 7d37a0c | 2009-06-06 20:36:38 +0200 | [diff] [blame] | 319 | (void *)(unsigned long)he->sym->start, |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 320 | he->sym->name, |
Arjan van de Ven | 7d37a0c | 2009-06-06 20:36:38 +0200 | [diff] [blame] | 321 | (void *)(unsigned long)ip, ip - he->sym->start, |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 322 | sym->hist[offset]); |
| 323 | } |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 324 | |
| 325 | static int |
| 326 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 327 | struct symbol *sym, u64 ip, char level) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 328 | { |
| 329 | struct rb_node **p = &hist.rb_node; |
| 330 | struct rb_node *parent = NULL; |
| 331 | struct hist_entry *he; |
| 332 | struct hist_entry entry = { |
| 333 | .thread = thread, |
| 334 | .map = map, |
| 335 | .dso = dso, |
| 336 | .sym = sym, |
| 337 | .ip = ip, |
| 338 | .level = level, |
| 339 | .count = 1, |
| 340 | }; |
| 341 | int cmp; |
| 342 | |
| 343 | while (*p != NULL) { |
| 344 | parent = *p; |
| 345 | he = rb_entry(parent, struct hist_entry, rb_node); |
| 346 | |
| 347 | cmp = hist_entry__cmp(&entry, he); |
| 348 | |
| 349 | if (!cmp) { |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 350 | hist_hit(he, ip); |
| 351 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 352 | return 0; |
| 353 | } |
| 354 | |
| 355 | if (cmp < 0) |
| 356 | p = &(*p)->rb_left; |
| 357 | else |
| 358 | p = &(*p)->rb_right; |
| 359 | } |
| 360 | |
| 361 | he = malloc(sizeof(*he)); |
| 362 | if (!he) |
| 363 | return -ENOMEM; |
| 364 | *he = entry; |
| 365 | rb_link_node(&he->rb_node, parent, p); |
| 366 | rb_insert_color(&he->rb_node, &hist); |
| 367 | |
| 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | static void hist_entry__free(struct hist_entry *he) |
| 372 | { |
| 373 | free(he); |
| 374 | } |
| 375 | |
| 376 | /* |
| 377 | * collapse the histogram |
| 378 | */ |
| 379 | |
| 380 | static struct rb_root collapse_hists; |
| 381 | |
| 382 | static void collapse__insert_entry(struct hist_entry *he) |
| 383 | { |
| 384 | struct rb_node **p = &collapse_hists.rb_node; |
| 385 | struct rb_node *parent = NULL; |
| 386 | struct hist_entry *iter; |
| 387 | int64_t cmp; |
| 388 | |
| 389 | while (*p != NULL) { |
| 390 | parent = *p; |
| 391 | iter = rb_entry(parent, struct hist_entry, rb_node); |
| 392 | |
| 393 | cmp = hist_entry__collapse(iter, he); |
| 394 | |
| 395 | if (!cmp) { |
| 396 | iter->count += he->count; |
| 397 | hist_entry__free(he); |
| 398 | return; |
| 399 | } |
| 400 | |
| 401 | if (cmp < 0) |
| 402 | p = &(*p)->rb_left; |
| 403 | else |
| 404 | p = &(*p)->rb_right; |
| 405 | } |
| 406 | |
| 407 | rb_link_node(&he->rb_node, parent, p); |
| 408 | rb_insert_color(&he->rb_node, &collapse_hists); |
| 409 | } |
| 410 | |
| 411 | static void collapse__resort(void) |
| 412 | { |
| 413 | struct rb_node *next; |
| 414 | struct hist_entry *n; |
| 415 | |
| 416 | if (!sort__need_collapse) |
| 417 | return; |
| 418 | |
| 419 | next = rb_first(&hist); |
| 420 | while (next) { |
| 421 | n = rb_entry(next, struct hist_entry, rb_node); |
| 422 | next = rb_next(&n->rb_node); |
| 423 | |
| 424 | rb_erase(&n->rb_node, &hist); |
| 425 | collapse__insert_entry(n); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | /* |
| 430 | * reverse the map, sort on count. |
| 431 | */ |
| 432 | |
| 433 | static struct rb_root output_hists; |
| 434 | |
| 435 | static void output__insert_entry(struct hist_entry *he) |
| 436 | { |
| 437 | struct rb_node **p = &output_hists.rb_node; |
| 438 | struct rb_node *parent = NULL; |
| 439 | struct hist_entry *iter; |
| 440 | |
| 441 | while (*p != NULL) { |
| 442 | parent = *p; |
| 443 | iter = rb_entry(parent, struct hist_entry, rb_node); |
| 444 | |
| 445 | if (he->count > iter->count) |
| 446 | p = &(*p)->rb_left; |
| 447 | else |
| 448 | p = &(*p)->rb_right; |
| 449 | } |
| 450 | |
| 451 | rb_link_node(&he->rb_node, parent, p); |
| 452 | rb_insert_color(&he->rb_node, &output_hists); |
| 453 | } |
| 454 | |
| 455 | static void output__resort(void) |
| 456 | { |
| 457 | struct rb_node *next; |
| 458 | struct hist_entry *n; |
| 459 | struct rb_root *tree = &hist; |
| 460 | |
| 461 | if (sort__need_collapse) |
| 462 | tree = &collapse_hists; |
| 463 | |
| 464 | next = rb_first(tree); |
| 465 | |
| 466 | while (next) { |
| 467 | n = rb_entry(next, struct hist_entry, rb_node); |
| 468 | next = rb_next(&n->rb_node); |
| 469 | |
| 470 | rb_erase(&n->rb_node, tree); |
| 471 | output__insert_entry(n); |
| 472 | } |
| 473 | } |
| 474 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 475 | static unsigned long total = 0, |
| 476 | total_mmap = 0, |
| 477 | total_comm = 0, |
| 478 | total_fork = 0, |
| 479 | total_unknown = 0; |
| 480 | |
| 481 | static int |
Peter Zijlstra | e6e18ec | 2009-06-25 11:27:12 +0200 | [diff] [blame] | 482 | process_sample_event(event_t *event, unsigned long offset, unsigned long head) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 483 | { |
| 484 | char level; |
| 485 | int show = 0; |
| 486 | struct dso *dso = NULL; |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 487 | struct thread *thread; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 488 | u64 ip = event->ip.ip; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 489 | struct map *map = NULL; |
| 490 | |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 491 | thread = threads__findnew(event->ip.pid, &threads, &last_match); |
| 492 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 493 | dump_printf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 494 | (void *)(offset + head), |
| 495 | (void *)(long)(event->header.size), |
| 496 | event->header.misc, |
| 497 | event->ip.pid, |
| 498 | (void *)(long)ip); |
| 499 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 500 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 501 | |
| 502 | if (thread == NULL) { |
| 503 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
| 504 | event->header.type); |
| 505 | return -1; |
| 506 | } |
| 507 | |
| 508 | if (event->header.misc & PERF_EVENT_MISC_KERNEL) { |
| 509 | show = SHOW_KERNEL; |
| 510 | level = 'k'; |
| 511 | |
| 512 | dso = kernel_dso; |
| 513 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 514 | dump_printf(" ...... dso: %s\n", dso->name); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 515 | |
| 516 | } else if (event->header.misc & PERF_EVENT_MISC_USER) { |
| 517 | |
| 518 | show = SHOW_USER; |
| 519 | level = '.'; |
| 520 | |
| 521 | map = thread__find_map(thread, ip); |
| 522 | if (map != NULL) { |
| 523 | ip = map->map_ip(map, ip); |
| 524 | dso = map->dso; |
| 525 | } else { |
| 526 | /* |
| 527 | * If this is outside of all known maps, |
| 528 | * and is a negative address, try to look it |
| 529 | * up in the kernel dso, as it might be a |
| 530 | * vsyscall (which executes in user-mode): |
| 531 | */ |
| 532 | if ((long long)ip < 0) |
| 533 | dso = kernel_dso; |
| 534 | } |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 535 | dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 536 | |
| 537 | } else { |
| 538 | show = SHOW_HV; |
| 539 | level = 'H'; |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 540 | dump_printf(" ...... dso: [hypervisor]\n"); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 541 | } |
| 542 | |
| 543 | if (show & show_mask) { |
| 544 | struct symbol *sym = NULL; |
| 545 | |
| 546 | if (dso) |
| 547 | sym = dso->find_symbol(dso, ip); |
| 548 | |
| 549 | if (hist_entry__add(thread, map, dso, sym, ip, level)) { |
| 550 | fprintf(stderr, |
| 551 | "problem incrementing symbol count, skipping event\n"); |
| 552 | return -1; |
| 553 | } |
| 554 | } |
| 555 | total++; |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | static int |
| 561 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) |
| 562 | { |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 563 | struct thread *thread; |
Frederic Weisbecker | 66e274f | 2009-08-12 11:07:25 +0200 | [diff] [blame] | 564 | struct map *map = map__new(&event->mmap, NULL, 0); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 565 | |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 566 | thread = threads__findnew(event->mmap.pid, &threads, &last_match); |
| 567 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 568 | dump_printf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 569 | (void *)(offset + head), |
| 570 | (void *)(long)(event->header.size), |
| 571 | event->mmap.pid, |
| 572 | (void *)(long)event->mmap.start, |
| 573 | (void *)(long)event->mmap.len, |
| 574 | (void *)(long)event->mmap.pgoff, |
| 575 | event->mmap.filename); |
| 576 | |
| 577 | if (thread == NULL || map == NULL) { |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 578 | dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n"); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | thread__insert_map(thread, map); |
| 583 | total_mmap++; |
| 584 | |
| 585 | return 0; |
| 586 | } |
| 587 | |
| 588 | static int |
| 589 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) |
| 590 | { |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 591 | struct thread *thread; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 592 | |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 593 | thread = threads__findnew(event->comm.pid, &threads, &last_match); |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 594 | dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 595 | (void *)(offset + head), |
| 596 | (void *)(long)(event->header.size), |
| 597 | event->comm.comm, event->comm.pid); |
| 598 | |
| 599 | if (thread == NULL || |
| 600 | thread__set_comm(thread, event->comm.comm)) { |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 601 | dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n"); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 602 | return -1; |
| 603 | } |
| 604 | total_comm++; |
| 605 | |
| 606 | return 0; |
| 607 | } |
| 608 | |
| 609 | static int |
| 610 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) |
| 611 | { |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 612 | struct thread *thread; |
| 613 | struct thread *parent; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 614 | |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 615 | thread = threads__findnew(event->fork.pid, &threads, &last_match); |
| 616 | parent = threads__findnew(event->fork.ppid, &threads, &last_match); |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 617 | dump_printf("%p [%p]: PERF_EVENT_FORK: %d:%d\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 618 | (void *)(offset + head), |
| 619 | (void *)(long)(event->header.size), |
| 620 | event->fork.pid, event->fork.ppid); |
| 621 | |
Ingo Molnar | 15f3fa4 | 2009-08-18 13:52:28 +0200 | [diff] [blame] | 622 | /* |
| 623 | * A thread clone will have the same PID for both |
| 624 | * parent and child. |
| 625 | */ |
| 626 | if (thread == parent) |
| 627 | return 0; |
| 628 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 629 | if (!thread || !parent || thread__fork(thread, parent)) { |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 630 | dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n"); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 631 | return -1; |
| 632 | } |
| 633 | total_fork++; |
| 634 | |
| 635 | return 0; |
| 636 | } |
| 637 | |
| 638 | static int |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 639 | process_event(event_t *event, unsigned long offset, unsigned long head) |
| 640 | { |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 641 | switch (event->header.type) { |
Peter Zijlstra | e6e18ec | 2009-06-25 11:27:12 +0200 | [diff] [blame] | 642 | case PERF_EVENT_SAMPLE: |
| 643 | return process_sample_event(event, offset, head); |
| 644 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 645 | case PERF_EVENT_MMAP: |
| 646 | return process_mmap_event(event, offset, head); |
| 647 | |
| 648 | case PERF_EVENT_COMM: |
| 649 | return process_comm_event(event, offset, head); |
| 650 | |
| 651 | case PERF_EVENT_FORK: |
| 652 | return process_fork_event(event, offset, head); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 653 | /* |
| 654 | * We dont process them right now but they are fine: |
| 655 | */ |
| 656 | |
| 657 | case PERF_EVENT_THROTTLE: |
| 658 | case PERF_EVENT_UNTHROTTLE: |
| 659 | return 0; |
| 660 | |
| 661 | default: |
| 662 | return -1; |
| 663 | } |
| 664 | |
| 665 | return 0; |
| 666 | } |
| 667 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 668 | static int |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 669 | parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 670 | { |
| 671 | char *line = NULL, *tmp, *tmp2; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 672 | static const char *prev_line; |
| 673 | static const char *prev_color; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 674 | unsigned int offset; |
| 675 | size_t line_len; |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 676 | s64 line_ip; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 677 | int ret; |
| 678 | char *c; |
| 679 | |
| 680 | if (getline(&line, &line_len, file) < 0) |
| 681 | return -1; |
| 682 | if (!line) |
| 683 | return -1; |
| 684 | |
| 685 | c = strchr(line, '\n'); |
| 686 | if (c) |
| 687 | *c = 0; |
| 688 | |
| 689 | line_ip = -1; |
| 690 | offset = 0; |
| 691 | ret = -2; |
| 692 | |
| 693 | /* |
| 694 | * Strip leading spaces: |
| 695 | */ |
| 696 | tmp = line; |
| 697 | while (*tmp) { |
| 698 | if (*tmp != ' ') |
| 699 | break; |
| 700 | tmp++; |
| 701 | } |
| 702 | |
| 703 | if (*tmp) { |
| 704 | /* |
| 705 | * Parse hexa addresses followed by ':' |
| 706 | */ |
| 707 | line_ip = strtoull(tmp, &tmp2, 16); |
| 708 | if (*tmp2 != ':') |
| 709 | line_ip = -1; |
| 710 | } |
| 711 | |
| 712 | if (line_ip != -1) { |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 713 | const char *path = NULL; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 714 | unsigned int hits = 0; |
| 715 | double percent = 0.0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 716 | const char *color; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 717 | struct sym_ext *sym_ext = sym->priv; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 718 | |
| 719 | offset = line_ip - start; |
| 720 | if (offset < len) |
| 721 | hits = sym->hist[offset]; |
| 722 | |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 723 | if (offset < len && sym_ext) { |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 724 | path = sym_ext[offset].path; |
| 725 | percent = sym_ext[offset].percent; |
| 726 | } else if (sym->hist_sum) |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 727 | percent = 100.0 * hits / sym->hist_sum; |
| 728 | |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 729 | color = get_percent_color(percent); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 730 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 731 | /* |
| 732 | * Also color the filename and line if needed, with |
| 733 | * the same color than the percentage. Don't print it |
| 734 | * twice for close colored ip with the same filename:line |
| 735 | */ |
| 736 | if (path) { |
| 737 | if (!prev_line || strcmp(prev_line, path) |
| 738 | || color != prev_color) { |
| 739 | color_fprintf(stdout, color, " %s", path); |
| 740 | prev_line = path; |
| 741 | prev_color = color; |
| 742 | } |
| 743 | } |
| 744 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 745 | color_fprintf(stdout, color, " %7.2f", percent); |
| 746 | printf(" : "); |
| 747 | color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line); |
| 748 | } else { |
| 749 | if (!*line) |
| 750 | printf(" :\n"); |
| 751 | else |
| 752 | printf(" : %s\n", line); |
| 753 | } |
| 754 | |
| 755 | return 0; |
| 756 | } |
| 757 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 758 | static struct rb_root root_sym_ext; |
| 759 | |
| 760 | static void insert_source_line(struct sym_ext *sym_ext) |
| 761 | { |
| 762 | struct sym_ext *iter; |
| 763 | struct rb_node **p = &root_sym_ext.rb_node; |
| 764 | struct rb_node *parent = NULL; |
| 765 | |
| 766 | while (*p != NULL) { |
| 767 | parent = *p; |
| 768 | iter = rb_entry(parent, struct sym_ext, node); |
| 769 | |
| 770 | if (sym_ext->percent > iter->percent) |
| 771 | p = &(*p)->rb_left; |
| 772 | else |
| 773 | p = &(*p)->rb_right; |
| 774 | } |
| 775 | |
| 776 | rb_link_node(&sym_ext->node, parent, p); |
| 777 | rb_insert_color(&sym_ext->node, &root_sym_ext); |
| 778 | } |
| 779 | |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 780 | static void free_source_line(struct symbol *sym, int len) |
| 781 | { |
| 782 | struct sym_ext *sym_ext = sym->priv; |
| 783 | int i; |
| 784 | |
| 785 | if (!sym_ext) |
| 786 | return; |
| 787 | |
| 788 | for (i = 0; i < len; i++) |
| 789 | free(sym_ext[i].path); |
| 790 | free(sym_ext); |
| 791 | |
| 792 | sym->priv = NULL; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 793 | root_sym_ext = RB_ROOT; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 794 | } |
| 795 | |
| 796 | /* Get the filename:line for the colored entries */ |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 797 | static void |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 798 | get_source_line(struct symbol *sym, u64 start, int len, const char *filename) |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 799 | { |
| 800 | int i; |
| 801 | char cmd[PATH_MAX * 2]; |
| 802 | struct sym_ext *sym_ext; |
| 803 | |
| 804 | if (!sym->hist_sum) |
| 805 | return; |
| 806 | |
| 807 | sym->priv = calloc(len, sizeof(struct sym_ext)); |
| 808 | if (!sym->priv) |
| 809 | return; |
| 810 | |
| 811 | sym_ext = sym->priv; |
| 812 | |
| 813 | for (i = 0; i < len; i++) { |
| 814 | char *path = NULL; |
| 815 | size_t line_len; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 816 | u64 offset; |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 817 | FILE *fp; |
| 818 | |
| 819 | sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum; |
| 820 | if (sym_ext[i].percent <= 0.5) |
| 821 | continue; |
| 822 | |
| 823 | offset = start + i; |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 824 | sprintf(cmd, "addr2line -e %s %016llx", filename, offset); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 825 | fp = popen(cmd, "r"); |
| 826 | if (!fp) |
| 827 | continue; |
| 828 | |
| 829 | if (getline(&path, &line_len, fp) < 0 || !line_len) |
| 830 | goto next; |
| 831 | |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 832 | sym_ext[i].path = malloc(sizeof(char) * line_len + 1); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 833 | if (!sym_ext[i].path) |
| 834 | goto next; |
| 835 | |
| 836 | strcpy(sym_ext[i].path, path); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 837 | insert_source_line(&sym_ext[i]); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 838 | |
| 839 | next: |
| 840 | pclose(fp); |
| 841 | } |
| 842 | } |
| 843 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 844 | static void print_summary(const char *filename) |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 845 | { |
| 846 | struct sym_ext *sym_ext; |
| 847 | struct rb_node *node; |
| 848 | |
| 849 | printf("\nSorted summary for file %s\n", filename); |
| 850 | printf("----------------------------------------------\n\n"); |
| 851 | |
| 852 | if (RB_EMPTY_ROOT(&root_sym_ext)) { |
| 853 | printf(" Nothing higher than %1.1f%%\n", MIN_GREEN); |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | node = rb_first(&root_sym_ext); |
| 858 | while (node) { |
| 859 | double percent; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 860 | const char *color; |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 861 | char *path; |
| 862 | |
| 863 | sym_ext = rb_entry(node, struct sym_ext, node); |
| 864 | percent = sym_ext->percent; |
Frederic Weisbecker | 1e11fd8 | 2009-07-02 20:14:34 +0200 | [diff] [blame] | 865 | color = get_percent_color(percent); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 866 | path = sym_ext->path; |
| 867 | |
| 868 | color_fprintf(stdout, color, " %7.2f %s", percent, path); |
| 869 | node = rb_next(node); |
| 870 | } |
| 871 | } |
| 872 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 873 | static void annotate_sym(struct dso *dso, struct symbol *sym) |
| 874 | { |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 875 | const char *filename = dso->name, *d_filename; |
Paul Mackerras | 9cffa8d | 2009-06-19 22:21:42 +1000 | [diff] [blame] | 876 | u64 start, end, len; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 877 | char command[PATH_MAX*2]; |
| 878 | FILE *file; |
| 879 | |
| 880 | if (!filename) |
| 881 | return; |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 882 | if (sym->module) |
| 883 | filename = sym->module->path; |
| 884 | else if (dso == kernel_dso) |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 885 | filename = vmlinux_name; |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 886 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 887 | start = sym->obj_start; |
| 888 | if (!start) |
| 889 | start = sym->start; |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 890 | if (full_paths) |
| 891 | d_filename = filename; |
| 892 | else |
| 893 | d_filename = basename(filename); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 894 | |
| 895 | end = start + sym->end - sym->start + 1; |
| 896 | len = sym->end - sym->start; |
| 897 | |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 898 | if (print_line) { |
Frederic Weisbecker | c17c2db | 2009-06-13 17:39:23 +0200 | [diff] [blame] | 899 | get_source_line(sym, start, len, filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 900 | print_summary(filename); |
| 901 | } |
| 902 | |
| 903 | printf("\n\n------------------------------------------------\n"); |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 904 | printf(" Percent | Source code & Disassembly of %s\n", d_filename); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 905 | printf("------------------------------------------------\n"); |
| 906 | |
| 907 | if (verbose >= 2) |
| 908 | printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name); |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 909 | |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 910 | sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", |
| 911 | (u64)start, (u64)end, filename, filename); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 912 | |
| 913 | if (verbose >= 3) |
| 914 | printf("doing: %s\n", command); |
| 915 | |
| 916 | file = popen(command, "r"); |
| 917 | if (!file) |
| 918 | return; |
| 919 | |
| 920 | while (!feof(file)) { |
| 921 | if (parse_line(file, sym, start, len) < 0) |
| 922 | break; |
| 923 | } |
| 924 | |
| 925 | pclose(file); |
Frederic Weisbecker | 971738f | 2009-06-13 00:11:22 +0200 | [diff] [blame] | 926 | if (print_line) |
| 927 | free_source_line(sym, len); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 928 | } |
| 929 | |
| 930 | static void find_annotations(void) |
| 931 | { |
| 932 | struct rb_node *nd; |
| 933 | struct dso *dso; |
| 934 | int count = 0; |
| 935 | |
| 936 | list_for_each_entry(dso, &dsos, node) { |
| 937 | |
| 938 | for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) { |
| 939 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); |
| 940 | |
| 941 | if (sym->hist) { |
| 942 | annotate_sym(dso, sym); |
| 943 | count++; |
| 944 | } |
| 945 | } |
| 946 | } |
| 947 | |
| 948 | if (!count) |
| 949 | printf(" Error: symbol '%s' not present amongst the samples.\n", sym_hist_filter); |
| 950 | } |
| 951 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 952 | static int __cmd_annotate(void) |
| 953 | { |
| 954 | int ret, rc = EXIT_FAILURE; |
| 955 | unsigned long offset = 0; |
| 956 | unsigned long head = 0; |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 957 | struct stat input_stat; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 958 | event_t *event; |
| 959 | uint32_t size; |
| 960 | char *buf; |
| 961 | |
Frederic Weisbecker | 5b447a6 | 2009-08-31 06:45:18 +0200 | [diff] [blame^] | 962 | register_idle_thread(&threads, &last_match); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 963 | |
| 964 | input = open(input_name, O_RDONLY); |
| 965 | if (input < 0) { |
| 966 | perror("failed to open file"); |
| 967 | exit(-1); |
| 968 | } |
| 969 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 970 | ret = fstat(input, &input_stat); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 971 | if (ret < 0) { |
| 972 | perror("failed to stat file"); |
| 973 | exit(-1); |
| 974 | } |
| 975 | |
Pierre Habouzit | 119e7a2 | 2009-08-27 09:59:02 +0200 | [diff] [blame] | 976 | if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { |
| 977 | fprintf(stderr, "file: %s not owned by current user or root\n", input_name); |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 978 | exit(-1); |
| 979 | } |
| 980 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 981 | if (!input_stat.st_size) { |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 982 | fprintf(stderr, "zero-sized file, nothing to do!\n"); |
| 983 | exit(0); |
| 984 | } |
| 985 | |
| 986 | if (load_kernel() < 0) { |
| 987 | perror("failed to load kernel symbols"); |
| 988 | return EXIT_FAILURE; |
| 989 | } |
| 990 | |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 991 | remap: |
| 992 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, |
| 993 | MAP_SHARED, input, offset); |
| 994 | if (buf == MAP_FAILED) { |
| 995 | perror("failed to mmap file"); |
| 996 | exit(-1); |
| 997 | } |
| 998 | |
| 999 | more: |
| 1000 | event = (event_t *)(buf + head); |
| 1001 | |
| 1002 | size = event->header.size; |
| 1003 | if (!size) |
| 1004 | size = 8; |
| 1005 | |
| 1006 | if (head + event->header.size >= page_size * mmap_window) { |
| 1007 | unsigned long shift = page_size * (head / page_size); |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 1008 | int munmap_ret; |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1009 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 1010 | munmap_ret = munmap(buf, page_size * mmap_window); |
| 1011 | assert(munmap_ret == 0); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1012 | |
| 1013 | offset += shift; |
| 1014 | head -= shift; |
| 1015 | goto remap; |
| 1016 | } |
| 1017 | |
| 1018 | size = event->header.size; |
| 1019 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 1020 | dump_printf("%p [%p]: event: %d\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1021 | (void *)(offset + head), |
| 1022 | (void *)(long)event->header.size, |
| 1023 | event->header.type); |
| 1024 | |
| 1025 | if (!size || process_event(event, offset, head) < 0) { |
| 1026 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 1027 | dump_printf("%p [%p]: skipping unknown header type: %d\n", |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1028 | (void *)(offset + head), |
| 1029 | (void *)(long)(event->header.size), |
| 1030 | event->header.type); |
| 1031 | |
| 1032 | total_unknown++; |
| 1033 | |
| 1034 | /* |
| 1035 | * assume we lost track of the stream, check alignment, and |
| 1036 | * increment a single u64 in the hope to catch on again 'soon'. |
| 1037 | */ |
| 1038 | |
| 1039 | if (unlikely(head & 7)) |
| 1040 | head &= ~7ULL; |
| 1041 | |
| 1042 | size = 8; |
| 1043 | } |
| 1044 | |
| 1045 | head += size; |
| 1046 | |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 1047 | if (offset + head < (unsigned long)input_stat.st_size) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1048 | goto more; |
| 1049 | |
| 1050 | rc = EXIT_SUCCESS; |
| 1051 | close(input); |
| 1052 | |
Frederic Weisbecker | 2cec19d | 2009-08-16 19:24:21 +0200 | [diff] [blame] | 1053 | dump_printf(" IP events: %10ld\n", total); |
| 1054 | dump_printf(" mmap events: %10ld\n", total_mmap); |
| 1055 | dump_printf(" comm events: %10ld\n", total_comm); |
| 1056 | dump_printf(" fork events: %10ld\n", total_fork); |
| 1057 | dump_printf(" unknown events: %10ld\n", total_unknown); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1058 | |
| 1059 | if (dump_trace) |
| 1060 | return 0; |
| 1061 | |
| 1062 | if (verbose >= 3) |
Frederic Weisbecker | 6baa0a5 | 2009-08-14 12:21:53 +0200 | [diff] [blame] | 1063 | threads__fprintf(stdout, &threads); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1064 | |
| 1065 | if (verbose >= 2) |
| 1066 | dsos__fprintf(stdout); |
| 1067 | |
| 1068 | collapse__resort(); |
| 1069 | output__resort(); |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 1070 | |
| 1071 | find_annotations(); |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1072 | |
| 1073 | return rc; |
| 1074 | } |
| 1075 | |
| 1076 | static const char * const annotate_usage[] = { |
| 1077 | "perf annotate [<options>] <command>", |
| 1078 | NULL |
| 1079 | }; |
| 1080 | |
| 1081 | static const struct option options[] = { |
| 1082 | OPT_STRING('i', "input", &input_name, "file", |
| 1083 | "input file name"), |
Ingo Molnar | 23b8711 | 2009-06-06 21:25:29 +0200 | [diff] [blame] | 1084 | OPT_STRING('s', "symbol", &sym_hist_filter, "symbol", |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 1085 | "symbol to annotate"), |
Peter Zijlstra | fa6963b | 2009-08-19 11:18:26 +0200 | [diff] [blame] | 1086 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1087 | OPT_BOOLEAN('v', "verbose", &verbose, |
| 1088 | "be more verbose (show symbol address, etc)"), |
| 1089 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
| 1090 | "dump raw trace in ASCII"), |
Ingo Molnar | 83a0944 | 2009-08-15 12:26:57 +0200 | [diff] [blame] | 1091 | OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"), |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 1092 | OPT_BOOLEAN('m', "modules", &modules, |
| 1093 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
Frederic Weisbecker | 301406b | 2009-06-13 00:11:21 +0200 | [diff] [blame] | 1094 | OPT_BOOLEAN('l', "print-line", &print_line, |
| 1095 | "print matching source lines (may be slow)"), |
Mike Galbraith | 4297648 | 2009-07-02 08:09:46 +0200 | [diff] [blame] | 1096 | OPT_BOOLEAN('P', "full-paths", &full_paths, |
| 1097 | "Don't shorten the displayed pathnames"), |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1098 | OPT_END() |
| 1099 | }; |
| 1100 | |
| 1101 | static void setup_sorting(void) |
| 1102 | { |
| 1103 | char *tmp, *tok, *str = strdup(sort_order); |
| 1104 | |
| 1105 | for (tok = strtok_r(str, ", ", &tmp); |
| 1106 | tok; tok = strtok_r(NULL, ", ", &tmp)) { |
| 1107 | if (sort_dimension__add(tok) < 0) { |
| 1108 | error("Unknown --sort key: `%s'", tok); |
| 1109 | usage_with_options(annotate_usage, options); |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | free(str); |
| 1114 | } |
| 1115 | |
Ingo Molnar | f37a291 | 2009-07-01 12:37:06 +0200 | [diff] [blame] | 1116 | int cmd_annotate(int argc, const char **argv, const char *prefix __used) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1117 | { |
| 1118 | symbol__init(); |
| 1119 | |
| 1120 | page_size = getpagesize(); |
| 1121 | |
| 1122 | argc = parse_options(argc, argv, options, annotate_usage, 0); |
| 1123 | |
| 1124 | setup_sorting(); |
| 1125 | |
Ingo Molnar | 0b73da3 | 2009-06-06 15:48:52 +0200 | [diff] [blame] | 1126 | if (argc) { |
| 1127 | /* |
| 1128 | * Special case: if there's an argument left then assume tha |
| 1129 | * it's a symbol filter: |
| 1130 | */ |
| 1131 | if (argc > 1) |
| 1132 | usage_with_options(annotate_usage, options); |
| 1133 | |
| 1134 | sym_hist_filter = argv[0]; |
| 1135 | } |
| 1136 | |
| 1137 | if (!sym_hist_filter) |
Ingo Molnar | 8035e42 | 2009-06-06 15:19:13 +0200 | [diff] [blame] | 1138 | usage_with_options(annotate_usage, options); |
| 1139 | |
| 1140 | setup_pager(); |
| 1141 | |
| 1142 | return __cmd_annotate(); |
| 1143 | } |