The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1 | /** |
| 2 | * @file op_events.c |
| 3 | * Details of PMC profiling events |
| 4 | * |
| 5 | * You can have silliness here. |
| 6 | * |
| 7 | * @remark Copyright 2002 OProfile authors |
| 8 | * @remark Read the file COPYING |
| 9 | * |
| 10 | * @author John Levon |
| 11 | * @author Philippe Elie |
| 12 | */ |
| 13 | |
| 14 | #include "op_events.h" |
| 15 | #include "op_libiberty.h" |
| 16 | #include "op_fileio.h" |
| 17 | #include "op_string.h" |
| 18 | #include "op_cpufreq.h" |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 19 | #include "op_hw_specific.h" |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 20 | |
| 21 | #include <string.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | static LIST_HEAD(events_list); |
| 26 | static LIST_HEAD(um_list); |
| 27 | |
| 28 | static char const * filename; |
| 29 | static unsigned int line_nr; |
| 30 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 31 | static void delete_event(struct op_event * event); |
| 32 | static void read_events(char const * file); |
| 33 | static void read_unit_masks(char const * file); |
| 34 | static void free_unit_mask(struct op_unit_mask * um); |
| 35 | |
| 36 | static char *build_fn(const char *cpu_name, const char *fn) |
| 37 | { |
| 38 | char *s; |
| 39 | static const char *dir; |
| 40 | if (dir == NULL) |
| 41 | dir = getenv("OPROFILE_EVENTS_DIR"); |
| 42 | if (dir == NULL) |
| 43 | dir = OP_DATADIR; |
| 44 | s = xmalloc(strlen(dir) + strlen(cpu_name) + strlen(fn) + 5); |
| 45 | sprintf(s, "%s/%s/%s", dir, cpu_name, fn); |
| 46 | return s; |
| 47 | } |
| 48 | |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 49 | static void parse_error(char const * context) |
| 50 | { |
| 51 | fprintf(stderr, "oprofile: parse error in %s, line %u\n", |
| 52 | filename, line_nr); |
| 53 | fprintf(stderr, "%s\n", context); |
| 54 | exit(EXIT_FAILURE); |
| 55 | } |
| 56 | |
| 57 | |
| 58 | static int parse_int(char const * str) |
| 59 | { |
| 60 | int value; |
| 61 | if (sscanf(str, "%d", &value) != 1) |
| 62 | parse_error("expected decimal value"); |
| 63 | |
| 64 | return value; |
| 65 | } |
| 66 | |
| 67 | |
| 68 | static int parse_hex(char const * str) |
| 69 | { |
| 70 | int value; |
| 71 | /* 0x/0X to force the use of hexa notation for field intended to |
| 72 | be in hexadecimal */ |
| 73 | if (sscanf(str, "0x%x", &value) != 1 && |
| 74 | sscanf(str, "0X%x", &value) != 1) |
| 75 | parse_error("expected hexadecimal value"); |
| 76 | |
| 77 | return value; |
| 78 | } |
| 79 | |
| 80 | |
| 81 | static u64 parse_long_hex(char const * str) |
| 82 | { |
| 83 | u64 value; |
| 84 | if (sscanf(str, "%Lx", &value) != 1) |
| 85 | parse_error("expected long hexadecimal value"); |
| 86 | |
| 87 | fflush(stderr); |
| 88 | return value; |
| 89 | } |
| 90 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 91 | static void include_um(const char *start, const char *end) |
| 92 | { |
| 93 | char *s; |
| 94 | char cpu[end - start + 1]; |
| 95 | int old_line_nr; |
| 96 | const char *old_filename; |
| 97 | |
| 98 | strncpy(cpu, start, end - start); |
| 99 | cpu[end - start] = 0; |
| 100 | s = build_fn(cpu, "unit_masks"); |
| 101 | old_line_nr = line_nr; |
| 102 | old_filename = filename; |
| 103 | read_unit_masks(s); |
| 104 | line_nr = old_line_nr; |
| 105 | filename = old_filename; |
| 106 | free(s); |
| 107 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 108 | |
| 109 | /* name:MESI type:bitmask default:0x0f */ |
| 110 | static void parse_um(struct op_unit_mask * um, char const * line) |
| 111 | { |
| 112 | int seen_name = 0; |
| 113 | int seen_type = 0; |
| 114 | int seen_default = 0; |
| 115 | char const * valueend = line + 1; |
| 116 | char const * tagend = line + 1; |
| 117 | char const * start = line; |
| 118 | |
| 119 | while (*valueend) { |
| 120 | valueend = skip_nonws(valueend); |
| 121 | |
| 122 | while (*tagend != ':' && *tagend) |
| 123 | ++tagend; |
| 124 | |
| 125 | if (valueend == tagend) |
| 126 | break; |
| 127 | |
| 128 | if (!*tagend) |
| 129 | parse_error("parse_um() expected :value"); |
| 130 | |
| 131 | ++tagend; |
| 132 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 133 | if (strisprefix(start, "include")) { |
| 134 | if (seen_name + seen_type + seen_default > 0) |
| 135 | parse_error("include must be on its own"); |
| 136 | free_unit_mask(um); |
| 137 | include_um(tagend, valueend); |
| 138 | return; |
| 139 | } |
| 140 | |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 141 | if (strisprefix(start, "name")) { |
| 142 | if (seen_name) |
| 143 | parse_error("duplicate name: tag"); |
| 144 | seen_name = 1; |
| 145 | um->name = op_xstrndup(tagend, valueend - tagend); |
| 146 | } else if (strisprefix(start, "type")) { |
| 147 | if (seen_type) |
| 148 | parse_error("duplicate type: tag"); |
| 149 | seen_type = 1; |
| 150 | if (strisprefix(tagend, "mandatory")) { |
| 151 | um->unit_type_mask = utm_mandatory; |
| 152 | } else if (strisprefix(tagend, "bitmask")) { |
| 153 | um->unit_type_mask = utm_bitmask; |
| 154 | } else if (strisprefix(tagend, "exclusive")) { |
| 155 | um->unit_type_mask = utm_exclusive; |
| 156 | } else { |
| 157 | parse_error("invalid unit mask type"); |
| 158 | } |
| 159 | } else if (strisprefix(start, "default")) { |
| 160 | if (seen_default) |
| 161 | parse_error("duplicate default: tag"); |
| 162 | seen_default = 1; |
| 163 | um->default_mask = parse_hex(tagend); |
| 164 | } else { |
| 165 | parse_error("invalid unit mask tag"); |
| 166 | } |
| 167 | |
| 168 | valueend = skip_ws(valueend); |
| 169 | tagend = valueend; |
| 170 | start = valueend; |
| 171 | } |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 172 | |
| 173 | if (!um->name) |
| 174 | parse_error("Missing name for unit mask"); |
| 175 | if (!seen_type) |
| 176 | parse_error("Missing type for unit mask"); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | |
| 180 | /* \t0x08 (M)odified cache state */ |
| 181 | static void parse_um_entry(struct op_described_um * entry, char const * line) |
| 182 | { |
| 183 | char const * c = line; |
| 184 | |
| 185 | c = skip_ws(c); |
| 186 | entry->value = parse_hex(c); |
| 187 | c = skip_nonws(c); |
| 188 | |
| 189 | if (!*c) |
| 190 | parse_error("invalid unit mask entry"); |
| 191 | |
| 192 | c = skip_ws(c); |
| 193 | |
| 194 | if (!*c) |
| 195 | parse_error("invalid unit mask entry"); |
| 196 | |
| 197 | entry->desc = xstrdup(c); |
| 198 | } |
| 199 | |
| 200 | |
| 201 | static struct op_unit_mask * new_unit_mask(void) |
| 202 | { |
| 203 | struct op_unit_mask * um = xmalloc(sizeof(struct op_unit_mask)); |
| 204 | memset(um, '\0', sizeof(struct op_unit_mask)); |
| 205 | list_add_tail(&um->um_next, &um_list); |
| 206 | |
| 207 | return um; |
| 208 | } |
| 209 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 210 | static void free_unit_mask(struct op_unit_mask * um) |
| 211 | { |
| 212 | list_del(&um->um_next); |
| 213 | free(um); |
| 214 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 215 | |
| 216 | /* |
| 217 | * name:zero type:mandatory default:0x0 |
| 218 | * \t0x0 No unit mask |
| 219 | */ |
| 220 | static void read_unit_masks(char const * file) |
| 221 | { |
| 222 | struct op_unit_mask * um = NULL; |
| 223 | char * line; |
| 224 | FILE * fp = fopen(file, "r"); |
| 225 | |
| 226 | if (!fp) { |
| 227 | fprintf(stderr, |
| 228 | "oprofile: could not open unit mask description file %s\n", file); |
| 229 | exit(EXIT_FAILURE); |
| 230 | } |
| 231 | |
| 232 | filename = file; |
| 233 | line_nr = 1; |
| 234 | |
| 235 | line = op_get_line(fp); |
| 236 | |
| 237 | while (line) { |
| 238 | if (empty_line(line) || comment_line(line)) |
| 239 | goto next; |
| 240 | |
| 241 | if (line[0] != '\t') { |
| 242 | um = new_unit_mask(); |
| 243 | parse_um(um, line); |
| 244 | } else { |
| 245 | if (!um) |
| 246 | parse_error("no unit mask name line"); |
| 247 | if (um->num >= MAX_UNIT_MASK) |
| 248 | parse_error("oprofile: maximum unit mask entries exceeded"); |
| 249 | |
| 250 | parse_um_entry(&um->um[um->num], line); |
| 251 | ++(um->num); |
| 252 | } |
| 253 | |
| 254 | next: |
| 255 | free(line); |
| 256 | line = op_get_line(fp); |
| 257 | ++line_nr; |
| 258 | } |
| 259 | |
| 260 | fclose(fp); |
| 261 | } |
| 262 | |
| 263 | |
| 264 | static u32 parse_counter_mask(char const * str) |
| 265 | { |
| 266 | u32 mask = 0; |
| 267 | char const * numstart = str; |
| 268 | |
| 269 | while (*numstart) { |
| 270 | mask |= 1 << parse_int(numstart); |
| 271 | |
| 272 | while (*numstart && *numstart != ',') |
| 273 | ++numstart; |
| 274 | /* skip , unless we reach eos */ |
| 275 | if (*numstart) |
| 276 | ++numstart; |
| 277 | |
| 278 | numstart = skip_ws(numstart); |
| 279 | } |
| 280 | |
| 281 | return mask; |
| 282 | } |
| 283 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 284 | static struct op_unit_mask * try_find_um(char const * value) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 285 | { |
| 286 | struct list_head * pos; |
| 287 | |
| 288 | list_for_each(pos, &um_list) { |
| 289 | struct op_unit_mask * um = list_entry(pos, struct op_unit_mask, um_next); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 290 | if (strcmp(value, um->name) == 0) { |
| 291 | um->used = 1; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 292 | return um; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 293 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 294 | } |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 295 | return NULL; |
| 296 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 297 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 298 | static struct op_unit_mask * find_um(char const * value) |
| 299 | { |
| 300 | struct op_unit_mask * um = try_find_um(value); |
| 301 | if (um) |
| 302 | return um; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 303 | fprintf(stderr, "oprofile: could not find unit mask %s\n", value); |
| 304 | exit(EXIT_FAILURE); |
| 305 | } |
| 306 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 307 | /* um:a,b,c,d merge multiple unit masks */ |
| 308 | static struct op_unit_mask * merge_um(char * value) |
| 309 | { |
| 310 | int num; |
| 311 | char *s; |
| 312 | struct op_unit_mask *new, *um; |
| 313 | enum unit_mask_type type = -1U; |
| 314 | |
| 315 | um = try_find_um(value); |
| 316 | if (um) |
| 317 | return um; |
| 318 | |
| 319 | new = new_unit_mask(); |
| 320 | new->name = xstrdup(value); |
| 321 | new->used = 1; |
| 322 | num = 0; |
| 323 | while ((s = strsep(&value, ",")) != NULL) { |
| 324 | unsigned c; |
| 325 | um = find_um(s); |
| 326 | if (type == -1U) |
| 327 | type = um->unit_type_mask; |
| 328 | if (um->unit_type_mask != type) |
| 329 | parse_error("combined unit mask must be all the same types"); |
| 330 | if (type != utm_bitmask && type != utm_exclusive) |
| 331 | parse_error("combined unit mask must be all bitmasks or exclusive"); |
| 332 | new->default_mask |= um->default_mask; |
| 333 | new->num += um->num; |
| 334 | if (new->num > MAX_UNIT_MASK) |
| 335 | parse_error("too many members in combined unit mask"); |
| 336 | for (c = 0; c < um->num; c++, num++) { |
| 337 | new->um[num] = um->um[c]; |
| 338 | new->um[num].desc = xstrdup(new->um[num].desc); |
| 339 | } |
| 340 | } |
| 341 | if (type == -1U) |
| 342 | parse_error("Empty unit mask"); |
| 343 | new->unit_type_mask = type; |
| 344 | return new; |
| 345 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 346 | |
| 347 | /* parse either a "tag:value" or a ": trailing description string" */ |
| 348 | static int next_token(char const ** cp, char ** name, char ** value) |
| 349 | { |
| 350 | size_t tag_len; |
| 351 | size_t val_len; |
| 352 | char const * c = *cp; |
| 353 | char const * end; |
| 354 | char const * colon; |
| 355 | |
| 356 | c = skip_ws(c); |
| 357 | end = colon = c; |
| 358 | end = skip_nonws(end); |
| 359 | |
| 360 | colon = strchr(colon, ':'); |
| 361 | |
| 362 | if (!colon) { |
| 363 | if (*c) |
| 364 | parse_error("next_token(): garbage at end of line"); |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | if (colon >= end) |
| 369 | parse_error("next_token() expected ':'"); |
| 370 | |
| 371 | tag_len = colon - c; |
| 372 | val_len = end - (colon + 1); |
| 373 | |
| 374 | if (!tag_len) { |
| 375 | /* : trailing description */ |
| 376 | end = skip_ws(end); |
| 377 | *name = xstrdup("desc"); |
| 378 | *value = xstrdup(end); |
| 379 | end += strlen(end); |
| 380 | } else { |
| 381 | /* tag:value */ |
| 382 | *name = op_xstrndup(c, tag_len); |
| 383 | *value = op_xstrndup(colon + 1, val_len); |
| 384 | end = skip_ws(end); |
| 385 | } |
| 386 | |
| 387 | *cp = end; |
| 388 | return 1; |
| 389 | } |
| 390 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 391 | static void include_events (char *value) |
| 392 | { |
| 393 | char * event_file; |
| 394 | const char *old_filename; |
| 395 | int old_line_nr; |
| 396 | |
| 397 | event_file = build_fn(value, "events"); |
| 398 | old_line_nr = line_nr; |
| 399 | old_filename = filename; |
| 400 | read_events(event_file); |
| 401 | line_nr = old_line_nr; |
| 402 | filename = old_filename; |
| 403 | free(event_file); |
| 404 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 405 | |
| 406 | static struct op_event * new_event(void) |
| 407 | { |
| 408 | struct op_event * event = xmalloc(sizeof(struct op_event)); |
| 409 | memset(event, '\0', sizeof(struct op_event)); |
| 410 | list_add_tail(&event->event_next, &events_list); |
| 411 | |
| 412 | return event; |
| 413 | } |
| 414 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 415 | static void free_event(struct op_event * event) |
| 416 | { |
| 417 | list_del(&event->event_next); |
| 418 | free(event); |
| 419 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 420 | |
| 421 | /* event:0x00 counters:0 um:zero minimum:4096 name:ISSUES : Total issues */ |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 422 | /* event:0x00 ext:xxxxxx um:zero minimum:4096 name:ISSUES : Total issues */ |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 423 | static void read_events(char const * file) |
| 424 | { |
| 425 | struct op_event * event = NULL; |
| 426 | char * line; |
| 427 | char * name; |
| 428 | char * value; |
| 429 | char const * c; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 430 | int seen_event, seen_counters, seen_um, seen_minimum, seen_name, seen_ext; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 431 | FILE * fp = fopen(file, "r"); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 432 | int tags; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 433 | |
| 434 | if (!fp) { |
| 435 | fprintf(stderr, "oprofile: could not open event description file %s\n", file); |
| 436 | exit(EXIT_FAILURE); |
| 437 | } |
| 438 | |
| 439 | filename = file; |
| 440 | line_nr = 1; |
| 441 | |
| 442 | line = op_get_line(fp); |
| 443 | |
| 444 | while (line) { |
| 445 | if (empty_line(line) || comment_line(line)) |
| 446 | goto next; |
| 447 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 448 | tags = 0; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 449 | seen_name = 0; |
| 450 | seen_event = 0; |
| 451 | seen_counters = 0; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 452 | seen_ext = 0; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 453 | seen_um = 0; |
| 454 | seen_minimum = 0; |
| 455 | event = new_event(); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 456 | event->filter = -1; |
| 457 | event->ext = NULL; |
| 458 | |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 459 | c = line; |
| 460 | while (next_token(&c, &name, &value)) { |
| 461 | if (strcmp(name, "name") == 0) { |
| 462 | if (seen_name) |
| 463 | parse_error("duplicate name: tag"); |
| 464 | seen_name = 1; |
| 465 | if (strchr(value, '/') != NULL) |
| 466 | parse_error("invalid event name"); |
| 467 | if (strchr(value, '.') != NULL) |
| 468 | parse_error("invalid event name"); |
| 469 | event->name = value; |
| 470 | } else if (strcmp(name, "event") == 0) { |
| 471 | if (seen_event) |
| 472 | parse_error("duplicate event: tag"); |
| 473 | seen_event = 1; |
| 474 | event->val = parse_hex(value); |
| 475 | free(value); |
| 476 | } else if (strcmp(name, "counters") == 0) { |
| 477 | if (seen_counters) |
| 478 | parse_error("duplicate counters: tag"); |
| 479 | seen_counters = 1; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 480 | if (!strcmp(value, "cpuid")) |
| 481 | event->counter_mask = arch_get_counter_mask(); |
| 482 | else |
| 483 | event->counter_mask = parse_counter_mask(value); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 484 | free(value); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 485 | } else if (strcmp(name, "ext") == 0) { |
| 486 | if (seen_ext) |
| 487 | parse_error("duplicate ext: tag"); |
| 488 | seen_ext = 1; |
| 489 | event->ext = value; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 490 | } else if (strcmp(name, "um") == 0) { |
| 491 | if (seen_um) |
| 492 | parse_error("duplicate um: tag"); |
| 493 | seen_um = 1; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 494 | if (strchr(value, ',')) |
| 495 | event->unit = merge_um(value); |
| 496 | else |
| 497 | event->unit = find_um(value); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 498 | free(value); |
| 499 | } else if (strcmp(name, "minimum") == 0) { |
| 500 | if (seen_minimum) |
| 501 | parse_error("duplicate minimum: tag"); |
| 502 | seen_minimum = 1; |
| 503 | event->min_count = parse_int(value); |
| 504 | free(value); |
| 505 | } else if (strcmp(name, "desc") == 0) { |
| 506 | event->desc = value; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 507 | } else if (strcmp(name, "filter") == 0) { |
| 508 | event->filter = parse_int(value); |
| 509 | free(value); |
| 510 | } else if (strcmp(name, "include") == 0) { |
| 511 | if (tags > 0) |
| 512 | parse_error("tags before include:"); |
| 513 | free_event(event); |
| 514 | include_events(value); |
| 515 | free(value); |
| 516 | c = skip_ws(c); |
| 517 | if (*c != '\0' && *c != '#') |
| 518 | parse_error("non whitespace after include:"); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 519 | } else { |
| 520 | parse_error("unknown tag"); |
| 521 | } |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 522 | tags++; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 523 | |
| 524 | free(name); |
| 525 | } |
| 526 | next: |
| 527 | free(line); |
| 528 | line = op_get_line(fp); |
| 529 | ++line_nr; |
| 530 | } |
| 531 | |
| 532 | fclose(fp); |
| 533 | } |
| 534 | |
| 535 | |
| 536 | /* usefull for make check */ |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 537 | static int check_unit_mask(struct op_unit_mask const * um, |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 538 | char const * cpu_name) |
| 539 | { |
| 540 | u32 i; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 541 | int err = 0; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 542 | |
| 543 | if (!um->used) { |
| 544 | fprintf(stderr, "um %s is not used\n", um->name); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 545 | err = EXIT_FAILURE; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | if (um->unit_type_mask == utm_mandatory && um->num != 1) { |
| 549 | fprintf(stderr, "mandatory um %s doesn't contain exactly one " |
| 550 | "entry (%s)\n", um->name, cpu_name); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 551 | err = EXIT_FAILURE; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 552 | } else if (um->unit_type_mask == utm_bitmask) { |
| 553 | u32 default_mask = um->default_mask; |
| 554 | for (i = 0; i < um->num; ++i) |
| 555 | default_mask &= ~um->um[i].value; |
| 556 | |
| 557 | if (default_mask) { |
| 558 | fprintf(stderr, "um %s default mask is not valid " |
| 559 | "(%s)\n", um->name, cpu_name); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 560 | err = EXIT_FAILURE; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 561 | } |
| 562 | } else { |
| 563 | for (i = 0; i < um->num; ++i) { |
| 564 | if (um->default_mask == um->um[i].value) |
| 565 | break; |
| 566 | } |
| 567 | |
| 568 | if (i == um->num) { |
| 569 | fprintf(stderr, "exclusive um %s default value is not " |
| 570 | "valid (%s)\n", um->name, cpu_name); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 571 | err = EXIT_FAILURE; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 572 | } |
| 573 | } |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 574 | return err; |
| 575 | } |
| 576 | |
| 577 | static void arch_filter_events(op_cpu cpu_type) |
| 578 | { |
| 579 | struct list_head * pos, * pos2; |
| 580 | unsigned filter = arch_get_filter(cpu_type); |
| 581 | if (!filter) |
| 582 | return; |
| 583 | list_for_each_safe (pos, pos2, &events_list) { |
| 584 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 585 | if (event->filter >= 0 && ((1U << event->filter) & filter)) |
| 586 | delete_event(event); |
| 587 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 588 | } |
| 589 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 590 | static void load_events_name(const char *cpu_name) |
| 591 | { |
| 592 | char * event_file; |
| 593 | char * um_file; |
| 594 | |
| 595 | event_file = build_fn(cpu_name, "events"); |
| 596 | um_file = build_fn(cpu_name, "unit_masks"); |
| 597 | |
| 598 | read_unit_masks(um_file); |
| 599 | read_events(event_file); |
| 600 | |
| 601 | free(um_file); |
| 602 | free(event_file); |
| 603 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 604 | |
| 605 | static void load_events(op_cpu cpu_type) |
| 606 | { |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 607 | const char * cpu_name = op_get_cpu_name(cpu_type); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 608 | struct list_head * pos; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 609 | int err = 0; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 610 | |
| 611 | if (!list_empty(&events_list)) |
| 612 | return; |
| 613 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 614 | load_events_name(cpu_name); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 615 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 616 | arch_filter_events(cpu_type); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 617 | |
| 618 | /* sanity check: all unit mask must be used */ |
| 619 | list_for_each(pos, &um_list) { |
| 620 | struct op_unit_mask * um = list_entry(pos, struct op_unit_mask, um_next); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 621 | err |= check_unit_mask(um, cpu_name); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 622 | } |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 623 | if (err) |
| 624 | exit(err); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 625 | } |
| 626 | |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 627 | struct list_head * op_events(op_cpu cpu_type) |
| 628 | { |
| 629 | load_events(cpu_type); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 630 | arch_filter_events(cpu_type); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 631 | return &events_list; |
| 632 | } |
| 633 | |
| 634 | |
| 635 | static void delete_unit_mask(struct op_unit_mask * unit) |
| 636 | { |
| 637 | u32 cur; |
| 638 | for (cur = 0 ; cur < unit->num ; ++cur) { |
| 639 | if (unit->um[cur].desc) |
| 640 | free(unit->um[cur].desc); |
| 641 | } |
| 642 | |
| 643 | if (unit->name) |
| 644 | free(unit->name); |
| 645 | |
| 646 | list_del(&unit->um_next); |
| 647 | free(unit); |
| 648 | } |
| 649 | |
| 650 | |
| 651 | static void delete_event(struct op_event * event) |
| 652 | { |
| 653 | if (event->name) |
| 654 | free(event->name); |
| 655 | if (event->desc) |
| 656 | free(event->desc); |
| 657 | |
| 658 | list_del(&event->event_next); |
| 659 | free(event); |
| 660 | } |
| 661 | |
| 662 | |
| 663 | void op_free_events(void) |
| 664 | { |
| 665 | struct list_head * pos, * pos2; |
| 666 | list_for_each_safe(pos, pos2, &events_list) { |
| 667 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 668 | delete_event(event); |
| 669 | } |
| 670 | |
| 671 | list_for_each_safe(pos, pos2, &um_list) { |
| 672 | struct op_unit_mask * unit = list_entry(pos, struct op_unit_mask, um_next); |
| 673 | delete_unit_mask(unit); |
| 674 | } |
| 675 | } |
| 676 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 677 | /* There can be actually multiple events here, so this is not quite correct */ |
| 678 | static struct op_event * find_event_any(u32 nr) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 679 | { |
| 680 | struct list_head * pos; |
| 681 | |
| 682 | list_for_each(pos, &events_list) { |
| 683 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 684 | if (event->val == nr) |
| 685 | return event; |
| 686 | } |
| 687 | |
| 688 | return NULL; |
| 689 | } |
| 690 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 691 | static struct op_event * find_event_um(u32 nr, u32 um) |
| 692 | { |
| 693 | struct list_head * pos; |
| 694 | unsigned int i; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 695 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 696 | list_for_each(pos, &events_list) { |
| 697 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 698 | if (event->val == nr) { |
| 699 | for (i = 0; i < event->unit->num; i++) { |
| 700 | if (event->unit->um[i].value == um) |
| 701 | return event; |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | |
| 706 | return NULL; |
| 707 | } |
| 708 | |
| 709 | static FILE * open_event_mapping_file(char const * cpu_name) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 710 | { |
| 711 | char * ev_map_file; |
| 712 | char * dir; |
| 713 | dir = getenv("OPROFILE_EVENTS_DIR"); |
| 714 | if (dir == NULL) |
| 715 | dir = OP_DATADIR; |
| 716 | |
| 717 | ev_map_file = xmalloc(strlen(dir) + strlen("/") + strlen(cpu_name) + |
| 718 | strlen("/") + + strlen("event_mappings") + 1); |
| 719 | strcpy(ev_map_file, dir); |
| 720 | strcat(ev_map_file, "/"); |
| 721 | |
| 722 | strcat(ev_map_file, cpu_name); |
| 723 | strcat(ev_map_file, "/"); |
| 724 | strcat(ev_map_file, "event_mappings"); |
| 725 | filename = ev_map_file; |
| 726 | return (fopen(ev_map_file, "r")); |
| 727 | } |
| 728 | |
| 729 | |
| 730 | /** |
| 731 | * This function is PPC64-specific. |
| 732 | */ |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 733 | static char const * get_mapping(u32 nr, FILE * fp) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 734 | { |
| 735 | char * line; |
| 736 | char * name; |
| 737 | char * value; |
| 738 | char const * c; |
| 739 | char * map = NULL; |
| 740 | int seen_event = 0, seen_mmcr0 = 0, seen_mmcr1 = 0, seen_mmcra = 0; |
| 741 | u32 mmcr0 = 0; |
| 742 | u64 mmcr1 = 0; |
| 743 | u32 mmcra = 0; |
| 744 | int event_found = 0; |
| 745 | |
| 746 | line_nr = 1; |
| 747 | line = op_get_line(fp); |
| 748 | while (line && !event_found) { |
| 749 | if (empty_line(line) || comment_line(line)) |
| 750 | goto next; |
| 751 | |
| 752 | seen_event = 0; |
| 753 | seen_mmcr0 = 0; |
| 754 | seen_mmcr1 = 0; |
| 755 | seen_mmcra = 0; |
| 756 | mmcr0 = 0; |
| 757 | mmcr1 = 0; |
| 758 | mmcra = 0; |
| 759 | |
| 760 | c = line; |
| 761 | while (next_token(&c, &name, &value)) { |
| 762 | if (strcmp(name, "event") == 0) { |
| 763 | u32 evt; |
| 764 | if (seen_event) |
| 765 | parse_error("duplicate event tag"); |
| 766 | seen_event = 1; |
| 767 | evt = parse_hex(value); |
| 768 | if (evt == nr) |
| 769 | event_found = 1; |
| 770 | free(value); |
| 771 | } else if (strcmp(name, "mmcr0") == 0) { |
| 772 | if (seen_mmcr0) |
| 773 | parse_error("duplicate mmcr0 tag"); |
| 774 | seen_mmcr0 = 1; |
| 775 | mmcr0 = parse_hex(value); |
| 776 | free(value); |
| 777 | } else if (strcmp(name, "mmcr1") == 0) { |
| 778 | if (seen_mmcr1) |
| 779 | parse_error("duplicate mmcr1: tag"); |
| 780 | seen_mmcr1 = 1; |
| 781 | mmcr1 = parse_long_hex(value); |
| 782 | free(value); |
| 783 | } else if (strcmp(name, "mmcra") == 0) { |
| 784 | if (seen_mmcra) |
| 785 | parse_error("duplicate mmcra: tag"); |
| 786 | seen_mmcra = 1; |
| 787 | mmcra = parse_hex(value); |
| 788 | free(value); |
| 789 | } else { |
| 790 | parse_error("unknown tag"); |
| 791 | } |
| 792 | |
| 793 | free(name); |
| 794 | } |
| 795 | next: |
| 796 | free(line); |
| 797 | line = op_get_line(fp); |
| 798 | ++line_nr; |
| 799 | } |
| 800 | if (event_found) { |
| 801 | if (!seen_mmcr0 || !seen_mmcr1 || !seen_mmcra) { |
| 802 | fprintf(stderr, "Error: Missing information in line %d of event mapping file %s\n", line_nr, filename); |
| 803 | exit(EXIT_FAILURE); |
| 804 | } |
| 805 | map = xmalloc(70); |
| 806 | snprintf(map, 70, "mmcr0:%u mmcr1:%Lu mmcra:%u", |
| 807 | mmcr0, mmcr1, mmcra); |
| 808 | } |
| 809 | |
| 810 | return map; |
| 811 | } |
| 812 | |
| 813 | |
| 814 | char const * find_mapping_for_event(u32 nr, op_cpu cpu_type) |
| 815 | { |
| 816 | char const * cpu_name = op_get_cpu_name(cpu_type); |
| 817 | FILE * fp = open_event_mapping_file(cpu_name); |
| 818 | char const * map = NULL; |
| 819 | switch (cpu_type) { |
| 820 | case CPU_PPC64_PA6T: |
| 821 | case CPU_PPC64_970: |
| 822 | case CPU_PPC64_970MP: |
| 823 | case CPU_PPC64_POWER4: |
| 824 | case CPU_PPC64_POWER5: |
| 825 | case CPU_PPC64_POWER5p: |
| 826 | case CPU_PPC64_POWER5pp: |
| 827 | case CPU_PPC64_POWER6: |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 828 | case CPU_PPC64_POWER7: |
| 829 | case CPU_PPC64_IBM_COMPAT_V1: |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 830 | if (!fp) { |
| 831 | fprintf(stderr, "oprofile: could not open event mapping file %s\n", filename); |
| 832 | exit(EXIT_FAILURE); |
| 833 | } else { |
| 834 | map = get_mapping(nr, fp); |
| 835 | } |
| 836 | break; |
| 837 | default: |
| 838 | break; |
| 839 | } |
| 840 | |
| 841 | if (fp) |
| 842 | fclose(fp); |
| 843 | |
| 844 | return map; |
| 845 | } |
| 846 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 847 | static int match_event(int i, struct op_event *event, unsigned um) |
| 848 | { |
| 849 | unsigned v = event->unit->um[i].value; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 850 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 851 | switch (event->unit->unit_type_mask) { |
| 852 | case utm_exclusive: |
| 853 | case utm_mandatory: |
| 854 | return v == um; |
| 855 | |
| 856 | case utm_bitmask: |
| 857 | return (v & um) || (!v && v == 0); |
| 858 | } |
| 859 | |
| 860 | abort(); |
| 861 | } |
| 862 | |
| 863 | struct op_event * find_event_by_name(char const * name, unsigned um, int um_valid) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 864 | { |
| 865 | struct list_head * pos; |
| 866 | |
| 867 | list_for_each(pos, &events_list) { |
| 868 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 869 | if (strcmp(event->name, name) == 0) { |
| 870 | if (um_valid) { |
| 871 | unsigned i; |
| 872 | |
| 873 | for (i = 0; i < event->unit->num; i++) |
| 874 | if (match_event(i, event, um)) |
| 875 | return event; |
| 876 | continue; |
| 877 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 878 | return event; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 879 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | return NULL; |
| 883 | } |
| 884 | |
| 885 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 886 | struct op_event * op_find_event(op_cpu cpu_type, u32 nr, u32 um) |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 887 | { |
| 888 | struct op_event * event; |
| 889 | |
| 890 | load_events(cpu_type); |
| 891 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 892 | event = find_event_um(nr, um); |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 893 | |
| 894 | return event; |
| 895 | } |
| 896 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 897 | struct op_event * op_find_event_any(op_cpu cpu_type, u32 nr) |
| 898 | { |
| 899 | load_events(cpu_type); |
| 900 | |
| 901 | return find_event_any(nr); |
| 902 | } |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 903 | |
| 904 | int op_check_events(int ctr, u32 nr, u32 um, op_cpu cpu_type) |
| 905 | { |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 906 | int ret = OP_INVALID_EVENT; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 907 | size_t i; |
| 908 | u32 ctr_mask = 1 << ctr; |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 909 | struct list_head * pos; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 910 | |
| 911 | load_events(cpu_type); |
| 912 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 913 | list_for_each(pos, &events_list) { |
| 914 | struct op_event * event = list_entry(pos, struct op_event, event_next); |
| 915 | if (event->val != nr) |
| 916 | continue; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 917 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 918 | ret = OP_OK_EVENT; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 919 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 920 | if ((event->counter_mask & ctr_mask) == 0) |
| 921 | ret |= OP_INVALID_COUNTER; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 922 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 923 | if (event->unit->unit_type_mask == utm_bitmask) { |
| 924 | for (i = 0; i < event->unit->num; ++i) |
| 925 | um &= ~(event->unit->um[i].value); |
| 926 | |
| 927 | if (um) |
| 928 | ret |= OP_INVALID_UM; |
| 929 | |
| 930 | } else { |
| 931 | for (i = 0; i < event->unit->num; ++i) { |
| 932 | if (event->unit->um[i].value == um) |
| 933 | break; |
| 934 | } |
| 935 | |
| 936 | if (i == event->unit->num) |
| 937 | ret |= OP_INVALID_UM; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 938 | |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 939 | } |
| 940 | |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 941 | if (ret == OP_OK_EVENT) |
| 942 | return ret; |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 943 | } |
| 944 | |
| 945 | return ret; |
| 946 | } |
| 947 | |
| 948 | |
| 949 | void op_default_event(op_cpu cpu_type, struct op_default_event_descr * descr) |
| 950 | { |
| 951 | descr->name = ""; |
| 952 | descr->um = 0x0; |
| 953 | /* A fixed value of CPU cycles; this should ensure good |
| 954 | * granulity even on faster CPUs, though it will generate more |
| 955 | * interrupts. |
| 956 | */ |
| 957 | descr->count = 100000; |
| 958 | |
| 959 | switch (cpu_type) { |
| 960 | case CPU_PPRO: |
| 961 | case CPU_PII: |
| 962 | case CPU_PIII: |
| 963 | case CPU_P6_MOBILE: |
| 964 | case CPU_CORE: |
| 965 | case CPU_CORE_2: |
| 966 | case CPU_ATHLON: |
| 967 | case CPU_HAMMER: |
| 968 | case CPU_FAMILY10: |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 969 | case CPU_ARCH_PERFMON: |
| 970 | case CPU_FAMILY11H: |
| 971 | case CPU_ATOM: |
| 972 | case CPU_CORE_I7: |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 973 | descr->name = "CPU_CLK_UNHALTED"; |
| 974 | break; |
| 975 | |
| 976 | case CPU_RTC: |
| 977 | descr->name = "RTC_INTERRUPTS"; |
| 978 | descr->count = 1024; |
| 979 | break; |
| 980 | |
| 981 | case CPU_P4: |
| 982 | case CPU_P4_HT2: |
| 983 | descr->name = "GLOBAL_POWER_EVENTS"; |
| 984 | descr->um = 0x1; |
| 985 | break; |
| 986 | |
| 987 | case CPU_IA64: |
| 988 | case CPU_IA64_1: |
| 989 | case CPU_IA64_2: |
| 990 | descr->count = 1000000; |
| 991 | descr->name = "CPU_CYCLES"; |
| 992 | break; |
| 993 | |
| 994 | case CPU_AXP_EV4: |
| 995 | case CPU_AXP_EV5: |
| 996 | case CPU_AXP_PCA56: |
| 997 | case CPU_AXP_EV6: |
| 998 | case CPU_AXP_EV67: |
| 999 | descr->name = "CYCLES"; |
| 1000 | break; |
| 1001 | |
| 1002 | // we could possibly use the CCNT |
| 1003 | case CPU_ARM_XSCALE1: |
| 1004 | case CPU_ARM_XSCALE2: |
| 1005 | case CPU_ARM_MPCORE: |
| 1006 | case CPU_ARM_V6: |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 1007 | case CPU_ARM_V7: |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1008 | case CPU_AVR32: |
| 1009 | descr->name = "CPU_CYCLES"; |
| 1010 | break; |
| 1011 | |
| 1012 | case CPU_PPC64_PA6T: |
| 1013 | case CPU_PPC64_970: |
| 1014 | case CPU_PPC64_970MP: |
| 1015 | case CPU_PPC_7450: |
| 1016 | case CPU_PPC64_POWER4: |
| 1017 | case CPU_PPC64_POWER5: |
| 1018 | case CPU_PPC64_POWER6: |
| 1019 | case CPU_PPC64_POWER5p: |
| 1020 | case CPU_PPC64_POWER5pp: |
| 1021 | case CPU_PPC64_CELL: |
Ben Cheng | 5a4eb4e | 2009-09-14 16:00:41 -0700 | [diff] [blame^] | 1022 | case CPU_PPC64_POWER7: |
| 1023 | case CPU_PPC64_IBM_COMPAT_V1: |
The Android Open Source Project | 10e23ee | 2009-03-03 19:30:30 -0800 | [diff] [blame] | 1024 | descr->name = "CYCLES"; |
| 1025 | break; |
| 1026 | |
| 1027 | case CPU_MIPS_20K: |
| 1028 | descr->name = "CYCLES"; |
| 1029 | break; |
| 1030 | |
| 1031 | case CPU_MIPS_24K: |
| 1032 | descr->name = "INSTRUCTIONS"; |
| 1033 | break; |
| 1034 | |
| 1035 | case CPU_MIPS_34K: |
| 1036 | descr->name = "INSTRUCTIONS"; |
| 1037 | break; |
| 1038 | |
| 1039 | case CPU_MIPS_5K: |
| 1040 | case CPU_MIPS_25K: |
| 1041 | descr->name = "CYCLES"; |
| 1042 | break; |
| 1043 | |
| 1044 | case CPU_MIPS_R10000: |
| 1045 | case CPU_MIPS_R12000: |
| 1046 | descr->name = "INSTRUCTIONS_GRADUATED"; |
| 1047 | break; |
| 1048 | |
| 1049 | case CPU_MIPS_RM7000: |
| 1050 | case CPU_MIPS_RM9000: |
| 1051 | descr->name = "INSTRUCTIONS_ISSUED"; |
| 1052 | break; |
| 1053 | |
| 1054 | case CPU_MIPS_SB1: |
| 1055 | descr->name = "INSN_SURVIVED_STAGE7"; |
| 1056 | break; |
| 1057 | |
| 1058 | case CPU_MIPS_VR5432: |
| 1059 | case CPU_MIPS_VR5500: |
| 1060 | descr->name = "INSTRUCTIONS_EXECUTED"; |
| 1061 | break; |
| 1062 | |
| 1063 | case CPU_PPC_E500: |
| 1064 | case CPU_PPC_E500_2: |
| 1065 | case CPU_PPC_E300: |
| 1066 | descr->name = "CPU_CLK"; |
| 1067 | break; |
| 1068 | |
| 1069 | // don't use default, if someone add a cpu he wants a compiler |
| 1070 | // warning if he forgets to handle it here. |
| 1071 | case CPU_TIMER_INT: |
| 1072 | case CPU_NO_GOOD: |
| 1073 | case MAX_CPU_TYPE: |
| 1074 | break; |
| 1075 | } |
| 1076 | } |