Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <unistd.h> |
| 4 | #include <fcntl.h> |
| 5 | #include <ctype.h> |
| 6 | #include <string.h> |
| 7 | #include <errno.h> |
| 8 | #include <sys/ipc.h> |
| 9 | #include <sys/shm.h> |
| 10 | #include <sys/types.h> |
| 11 | #include <sys/stat.h> |
| 12 | |
| 13 | #include "fio.h" |
| 14 | |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 15 | #define DEF_BS (4096) |
| 16 | #define DEF_TIMEOUT (0) |
| 17 | #define DEF_RATE_CYCLE (1000) |
| 18 | #define DEF_ODIRECT (1) |
| 19 | #define DEF_IO_ENGINE (FIO_SYNCIO) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 20 | #define DEF_IO_ENGINE_NAME "sync" |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 21 | #define DEF_SEQUENTIAL (1) |
| 22 | #define DEF_RAND_REPEAT (1) |
| 23 | #define DEF_OVERWRITE (1) |
| 24 | #define DEF_CREATE (1) |
| 25 | #define DEF_INVALIDATE (1) |
| 26 | #define DEF_SYNCIO (0) |
| 27 | #define DEF_RANDSEED (0xb1899bedUL) |
| 28 | #define DEF_BWAVGTIME (500) |
| 29 | #define DEF_CREATE_SER (1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 30 | #define DEF_CREATE_FSYNC (1) |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 31 | #define DEF_LOOPS (1) |
| 32 | #define DEF_VERIFY (0) |
| 33 | #define DEF_STONEWALL (0) |
| 34 | #define DEF_NUMJOBS (1) |
| 35 | #define DEF_USE_THREAD (0) |
| 36 | #define DEF_FILE_SIZE (1024 * 1024 * 1024UL) |
| 37 | #define DEF_ZONE_SIZE (0) |
| 38 | #define DEF_ZONE_SKIP (0) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 39 | |
Jens Axboe | e8e387c | 2006-05-05 11:11:22 +0200 | [diff] [blame] | 40 | static char fio_version_string[] = "fio 1.3"; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 41 | |
| 42 | static int repeatable = DEF_RAND_REPEAT; |
| 43 | static char *ini_file; |
| 44 | static int max_jobs = MAX_JOBS; |
| 45 | |
| 46 | struct thread_data def_thread; |
| 47 | struct thread_data *threads = NULL; |
| 48 | |
| 49 | int rate_quit = 0; |
| 50 | int write_lat_log = 0; |
| 51 | int write_bw_log = 0; |
| 52 | int exitall_on_terminate = 0; |
| 53 | |
| 54 | static int setup_rate(struct thread_data *td) |
| 55 | { |
| 56 | int nr_reads_per_sec; |
| 57 | |
| 58 | if (!td->rate) |
| 59 | return 0; |
| 60 | |
| 61 | if (td->rate < td->ratemin) { |
| 62 | fprintf(stderr, "min rate larger than nominal rate\n"); |
| 63 | return -1; |
| 64 | } |
| 65 | |
| 66 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
| 67 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
| 68 | td->rate_pending_usleep = 0; |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | static void setup_log(struct io_log **log) |
| 73 | { |
| 74 | struct io_log *l = malloc(sizeof(*l)); |
| 75 | |
| 76 | l->nr_samples = 0; |
| 77 | l->max_samples = 1024; |
| 78 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); |
| 79 | *log = l; |
| 80 | } |
| 81 | |
| 82 | void finish_log(struct thread_data *td, struct io_log *log, const char *name) |
| 83 | { |
| 84 | char file_name[128]; |
| 85 | FILE *f; |
| 86 | unsigned int i; |
| 87 | |
| 88 | sprintf(file_name, "client%d_%s.log", td->thread_number, name); |
| 89 | f = fopen(file_name, "w"); |
| 90 | if (!f) { |
| 91 | perror("fopen log"); |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | for (i = 0; i < log->nr_samples; i++) |
| 96 | fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir); |
| 97 | |
| 98 | fclose(f); |
| 99 | free(log->log); |
| 100 | free(log); |
| 101 | } |
| 102 | |
| 103 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| 104 | { |
| 105 | struct thread_data *td; |
| 106 | |
| 107 | if (global) |
| 108 | return &def_thread; |
| 109 | if (thread_number >= max_jobs) |
| 110 | return NULL; |
| 111 | |
| 112 | td = &threads[thread_number++]; |
| 113 | memset(td, 0, sizeof(*td)); |
| 114 | |
| 115 | td->fd = -1; |
| 116 | td->thread_number = thread_number; |
| 117 | |
| 118 | td->ddir = parent->ddir; |
| 119 | td->ioprio = parent->ioprio; |
| 120 | td->sequential = parent->sequential; |
| 121 | td->bs = parent->bs; |
| 122 | td->min_bs = parent->min_bs; |
| 123 | td->max_bs = parent->max_bs; |
| 124 | td->odirect = parent->odirect; |
| 125 | td->thinktime = parent->thinktime; |
| 126 | td->fsync_blocks = parent->fsync_blocks; |
| 127 | td->start_delay = parent->start_delay; |
| 128 | td->timeout = parent->timeout; |
| 129 | td->io_engine = parent->io_engine; |
| 130 | td->create_file = parent->create_file; |
| 131 | td->overwrite = parent->overwrite; |
| 132 | td->invalidate_cache = parent->invalidate_cache; |
| 133 | td->file_size = parent->file_size; |
| 134 | td->file_offset = parent->file_offset; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 135 | td->zone_size = parent->zone_size; |
| 136 | td->zone_skip = parent->zone_skip; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 137 | td->rate = parent->rate; |
| 138 | td->ratemin = parent->ratemin; |
| 139 | td->ratecycle = parent->ratecycle; |
| 140 | td->iodepth = parent->iodepth; |
| 141 | td->sync_io = parent->sync_io; |
| 142 | td->mem_type = parent->mem_type; |
| 143 | td->bw_avg_time = parent->bw_avg_time; |
| 144 | td->create_serialize = parent->create_serialize; |
| 145 | td->create_fsync = parent->create_fsync; |
| 146 | td->loops = parent->loops; |
| 147 | td->verify = parent->verify; |
| 148 | td->stonewall = parent->stonewall; |
| 149 | td->numjobs = parent->numjobs; |
| 150 | td->use_thread = parent->use_thread; |
| 151 | td->do_disk_util = parent->do_disk_util; |
| 152 | memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask)); |
| 153 | strcpy(td->io_engine_name, parent->io_engine_name); |
| 154 | |
| 155 | return td; |
| 156 | } |
| 157 | |
| 158 | static void put_job(struct thread_data *td) |
| 159 | { |
| 160 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 161 | thread_number--; |
| 162 | } |
| 163 | |
| 164 | static int add_job(struct thread_data *td, const char *jobname, int prioclass, |
| 165 | int prio) |
| 166 | { |
| 167 | char *ddir_str[] = { "read", "write", "randread", "randwrite" }; |
| 168 | struct stat sb; |
| 169 | int numjobs, ddir; |
| 170 | |
| 171 | #ifndef FIO_HAVE_LIBAIO |
| 172 | if (td->io_engine == FIO_LIBAIO) { |
| 173 | fprintf(stderr, "Linux libaio not available\n"); |
| 174 | return 1; |
| 175 | } |
| 176 | #endif |
| 177 | #ifndef FIO_HAVE_POSIXAIO |
| 178 | if (td->io_engine == FIO_POSIXAIO) { |
| 179 | fprintf(stderr, "posix aio not available\n"); |
| 180 | return 1; |
| 181 | } |
| 182 | #endif |
| 183 | #ifdef FIO_HAVE_IOPRIO |
| 184 | td->ioprio = (prioclass << IOPRIO_CLASS_SHIFT) | prio; |
| 185 | #endif |
| 186 | |
| 187 | /* |
| 188 | * the def_thread is just for options, it's not a real job |
| 189 | */ |
| 190 | if (td == &def_thread) |
| 191 | return 0; |
| 192 | |
| 193 | if (td->io_engine & FIO_SYNCIO) |
| 194 | td->iodepth = 1; |
| 195 | else { |
| 196 | if (!td->iodepth) |
| 197 | td->iodepth = 1; |
| 198 | } |
| 199 | |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 200 | /* |
| 201 | * only really works for sequential io for now |
| 202 | */ |
| 203 | if (td->zone_size && !td->sequential) |
| 204 | td->zone_size = 0; |
| 205 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 206 | td->filetype = FIO_TYPE_FILE; |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 207 | if (!stat(jobname, &sb)) { |
| 208 | if (S_ISBLK(sb.st_mode)) |
| 209 | td->filetype = FIO_TYPE_BD; |
| 210 | else if (S_ISCHR(sb.st_mode)) |
| 211 | td->filetype = FIO_TYPE_CHAR; |
| 212 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 213 | |
| 214 | if (td->filetype == FIO_TYPE_FILE) { |
| 215 | if (td->directory[0] != '\0') |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 216 | sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 217 | else |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 218 | sprintf(td->file_name, "%s.%d", jobname, td->jobnum); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 219 | } else |
| 220 | strcpy(td->file_name, jobname); |
| 221 | |
| 222 | sem_init(&td->mutex, 0, 0); |
| 223 | |
| 224 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; |
| 225 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; |
| 226 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; |
| 227 | |
| 228 | if (td->min_bs == -1U) |
| 229 | td->min_bs = td->bs; |
| 230 | if (td->max_bs == -1U) |
| 231 | td->max_bs = td->bs; |
| 232 | if (td_read(td)) |
| 233 | td->verify = 0; |
| 234 | |
| 235 | if (td->stonewall && td->thread_number > 1) |
| 236 | groupid++; |
| 237 | |
| 238 | td->groupid = groupid; |
| 239 | |
| 240 | if (setup_rate(td)) |
| 241 | goto err; |
| 242 | |
| 243 | if (write_lat_log) { |
| 244 | setup_log(&td->slat_log); |
| 245 | setup_log(&td->clat_log); |
| 246 | } |
| 247 | if (write_bw_log) |
| 248 | setup_log(&td->bw_log); |
| 249 | |
| 250 | ddir = td->ddir + (!td->sequential << 1); |
| 251 | printf("Client%d (g=%d): rw=%s, prio=%d/%d, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->thread_number, td->groupid, ddir_str[ddir], prioclass, prio, td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth); |
| 252 | |
| 253 | /* |
| 254 | * recurse add identical jobs, clear numjobs and stonewall options |
| 255 | * as they don't apply to sub-jobs |
| 256 | */ |
| 257 | numjobs = td->numjobs; |
| 258 | while (--numjobs) { |
| 259 | struct thread_data *td_new = get_new_job(0, td); |
| 260 | |
| 261 | if (!td_new) |
| 262 | goto err; |
| 263 | |
| 264 | td_new->numjobs = 1; |
| 265 | td_new->stonewall = 0; |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 266 | td_new->jobnum = numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 267 | |
| 268 | if (add_job(td_new, jobname, prioclass, prio)) |
| 269 | goto err; |
| 270 | } |
| 271 | return 0; |
| 272 | err: |
| 273 | put_job(td); |
| 274 | return -1; |
| 275 | } |
| 276 | |
| 277 | int init_random_state(struct thread_data *td) |
| 278 | { |
| 279 | unsigned long seed; |
| 280 | int fd, num_maps, blocks; |
| 281 | |
| 282 | fd = open("/dev/random", O_RDONLY); |
| 283 | if (fd == -1) { |
| 284 | td_verror(td, errno); |
| 285 | return 1; |
| 286 | } |
| 287 | |
| 288 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
| 289 | td_verror(td, EIO); |
| 290 | close(fd); |
| 291 | return 1; |
| 292 | } |
| 293 | |
| 294 | close(fd); |
| 295 | |
| 296 | srand48_r(seed, &td->bsrange_state); |
| 297 | srand48_r(seed, &td->verify_state); |
| 298 | |
| 299 | if (td->sequential) |
| 300 | return 0; |
| 301 | |
| 302 | if (repeatable) |
| 303 | seed = DEF_RANDSEED; |
| 304 | |
| 305 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
| 306 | num_maps = blocks / BLOCKS_PER_MAP; |
| 307 | td->file_map = malloc(num_maps * sizeof(long)); |
| 308 | td->num_maps = num_maps; |
| 309 | memset(td->file_map, 0, num_maps * sizeof(long)); |
| 310 | |
| 311 | srand48_r(seed, &td->random_state); |
| 312 | return 0; |
| 313 | } |
| 314 | |
| 315 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) |
| 316 | { |
| 317 | #ifdef FIO_HAVE_CPU_AFFINITY |
| 318 | unsigned int i; |
| 319 | |
| 320 | CPU_ZERO(&cpumask); |
| 321 | |
| 322 | for (i = 0; i < sizeof(int) * 8; i++) { |
| 323 | if ((1 << i) & cpu) |
| 324 | CPU_SET(i, &cpumask); |
| 325 | } |
| 326 | #endif |
| 327 | } |
| 328 | |
| 329 | static unsigned long get_mult(char c) |
| 330 | { |
| 331 | switch (c) { |
| 332 | case 'k': |
| 333 | case 'K': |
| 334 | return 1024; |
| 335 | case 'm': |
| 336 | case 'M': |
| 337 | return 1024 * 1024; |
| 338 | case 'g': |
| 339 | case 'G': |
| 340 | return 1024 * 1024 * 1024; |
| 341 | default: |
| 342 | return 1; |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | /* |
| 347 | * convert string after '=' into decimal value, noting any size suffix |
| 348 | */ |
| 349 | static int str_cnv(char *p, unsigned long long *val) |
| 350 | { |
| 351 | char *str; |
| 352 | int len; |
| 353 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 354 | str = strchr(p, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 355 | if (!str) |
| 356 | return 1; |
| 357 | |
| 358 | str++; |
| 359 | len = strlen(str); |
| 360 | |
| 361 | *val = strtoul(str, NULL, 10); |
| 362 | if (*val == ULONG_MAX && errno == ERANGE) |
| 363 | return 1; |
| 364 | |
| 365 | *val *= get_mult(str[len - 2]); |
| 366 | return 0; |
| 367 | } |
| 368 | |
| 369 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
| 370 | { |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 371 | if (strncmp(p, name, strlen(name) - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 372 | return 1; |
| 373 | |
| 374 | return str_cnv(p, val); |
| 375 | } |
| 376 | |
| 377 | static void strip_blank_front(char **p) |
| 378 | { |
| 379 | char *s = *p; |
| 380 | |
| 381 | while (isblank(*s)) |
| 382 | s++; |
| 383 | } |
| 384 | |
| 385 | static void strip_blank_end(char *p) |
| 386 | { |
| 387 | while (isblank(*p)) { |
| 388 | *p = '\0'; |
| 389 | p--; |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | typedef int (str_cb_fn)(struct thread_data *, char *); |
| 394 | |
| 395 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) |
| 396 | { |
| 397 | char *s = strstr(p, name); |
| 398 | |
| 399 | if (!s) |
| 400 | return 1; |
| 401 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 402 | s = strchr(s, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 403 | if (!s) |
| 404 | return 1; |
| 405 | |
| 406 | s++; |
| 407 | strip_blank_front(&s); |
| 408 | return cb(td, s); |
| 409 | } |
| 410 | |
| 411 | static int check_strstore(char *p, char *name, char *dest) |
| 412 | { |
| 413 | char *s = strstr(p, name); |
| 414 | |
| 415 | if (!s) |
| 416 | return 1; |
| 417 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 418 | s = strchr(p, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 419 | if (!s) |
| 420 | return 1; |
| 421 | |
| 422 | s++; |
| 423 | strip_blank_front(&s); |
| 424 | |
| 425 | strcpy(dest, s); |
| 426 | |
| 427 | s = dest + strlen(dest) - 1; |
| 428 | strip_blank_end(s); |
| 429 | return 0; |
| 430 | } |
| 431 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 432 | static int __check_range(char *str, unsigned long *val) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 433 | { |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 434 | char suffix; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 435 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 436 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
| 437 | *val *= get_mult(suffix); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 438 | return 0; |
| 439 | } |
| 440 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 441 | if (sscanf(str, "%lu", val) == 1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 442 | return 0; |
| 443 | |
| 444 | return 1; |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 445 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 446 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 447 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
| 448 | { |
| 449 | char option[128]; |
| 450 | char *str, *p1, *p2; |
| 451 | |
| 452 | strcpy(option, p); |
| 453 | p = option; |
| 454 | |
| 455 | str = strstr(p, name); |
| 456 | if (!str) |
| 457 | return 1; |
| 458 | |
| 459 | p += strlen(name); |
| 460 | |
| 461 | str = strchr(p, '='); |
| 462 | if (!str) |
| 463 | return 1; |
| 464 | |
| 465 | /* |
| 466 | * 'p' now holds whatever is after the '=' sign |
| 467 | */ |
| 468 | p1 = str + 1; |
| 469 | |
| 470 | /* |
| 471 | * terminate p1 at the '-' sign |
| 472 | */ |
| 473 | p = strchr(p1, '-'); |
| 474 | if (!p) |
| 475 | return 1; |
| 476 | |
| 477 | p2 = p + 1; |
| 478 | *p = '\0'; |
| 479 | |
| 480 | if (!__check_range(p1, s) && !__check_range(p2, e)) |
| 481 | return 0; |
| 482 | |
| 483 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 484 | } |
| 485 | |
| 486 | static int check_int(char *p, char *name, unsigned int *val) |
| 487 | { |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 488 | char *str; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 489 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 490 | str = strstr(p, name); |
| 491 | if (!str) |
| 492 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 493 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 494 | str = strchr(p, '='); |
| 495 | if (!str) |
| 496 | return 1; |
| 497 | |
| 498 | str++; |
| 499 | |
| 500 | if (sscanf(str, "%u", val) == 1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 501 | return 0; |
| 502 | |
| 503 | return 1; |
| 504 | } |
| 505 | |
| 506 | static int check_strset(char *p, char *name) |
| 507 | { |
| 508 | return strncmp(p, name, strlen(name)); |
| 509 | } |
| 510 | |
| 511 | static int is_empty_or_comment(char *line) |
| 512 | { |
| 513 | unsigned int i; |
| 514 | |
| 515 | for (i = 0; i < strlen(line); i++) { |
| 516 | if (line[i] == ';') |
| 517 | return 1; |
| 518 | if (!isspace(line[i]) && !iscntrl(line[i])) |
| 519 | return 0; |
| 520 | } |
| 521 | |
| 522 | return 1; |
| 523 | } |
| 524 | |
| 525 | static int str_rw_cb(struct thread_data *td, char *mem) |
| 526 | { |
| 527 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
| 528 | td->ddir = DDIR_READ; |
| 529 | td->sequential = 1; |
| 530 | return 0; |
| 531 | } else if (!strncmp(mem, "randread", 8)) { |
| 532 | td->ddir = DDIR_READ; |
| 533 | td->sequential = 0; |
| 534 | return 0; |
| 535 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { |
| 536 | td->ddir = DDIR_WRITE; |
| 537 | td->sequential = 1; |
| 538 | return 0; |
| 539 | } else if (!strncmp(mem, "randwrite", 9)) { |
| 540 | td->ddir = DDIR_WRITE; |
| 541 | td->sequential = 0; |
| 542 | return 0; |
| 543 | } |
| 544 | |
| 545 | fprintf(stderr, "bad data direction: %s\n", mem); |
| 546 | return 1; |
| 547 | } |
| 548 | |
| 549 | static int str_verify_cb(struct thread_data *td, char *mem) |
| 550 | { |
| 551 | if (!strncmp(mem, "0", 1)) { |
| 552 | td->verify = VERIFY_NONE; |
| 553 | return 0; |
| 554 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { |
| 555 | td->verify = VERIFY_MD5; |
| 556 | return 0; |
| 557 | } else if (!strncmp(mem, "crc32", 5)) { |
| 558 | td->verify = VERIFY_CRC32; |
| 559 | return 0; |
| 560 | } |
| 561 | |
| 562 | fprintf(stderr, "bad verify type: %s\n", mem); |
| 563 | return 1; |
| 564 | } |
| 565 | |
| 566 | static int str_mem_cb(struct thread_data *td, char *mem) |
| 567 | { |
| 568 | if (!strncmp(mem, "malloc", 6)) { |
| 569 | td->mem_type = MEM_MALLOC; |
| 570 | return 0; |
| 571 | } else if (!strncmp(mem, "shm", 3)) { |
| 572 | td->mem_type = MEM_SHM; |
| 573 | return 0; |
| 574 | } else if (!strncmp(mem, "mmap", 4)) { |
| 575 | td->mem_type = MEM_MMAP; |
| 576 | return 0; |
| 577 | } |
| 578 | |
| 579 | fprintf(stderr, "bad mem type: %s\n", mem); |
| 580 | return 1; |
| 581 | } |
| 582 | |
| 583 | static int str_ioengine_cb(struct thread_data *td, char *str) |
| 584 | { |
| 585 | if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || |
| 586 | !strncmp(str, "libaio", 6)) { |
| 587 | strcpy(td->io_engine_name, "libaio"); |
| 588 | td->io_engine = FIO_LIBAIO; |
| 589 | return 0; |
| 590 | } else if (!strncmp(str, "posixaio", 8)) { |
| 591 | strcpy(td->io_engine_name, "posixaio"); |
| 592 | td->io_engine = FIO_POSIXAIO; |
| 593 | return 0; |
| 594 | } else if (!strncmp(str, "sync", 4)) { |
| 595 | strcpy(td->io_engine_name, "sync"); |
| 596 | td->io_engine = FIO_SYNCIO; |
| 597 | return 0; |
| 598 | } else if (!strncmp(str, "mmap", 4)) { |
| 599 | strcpy(td->io_engine_name, "mmap"); |
| 600 | td->io_engine = FIO_MMAPIO; |
| 601 | return 0; |
| 602 | } else if (!strncmp(str, "sgio", 4)) { |
| 603 | strcpy(td->io_engine_name, "sgio"); |
| 604 | td->io_engine = FIO_SGIO; |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | fprintf(stderr, "bad ioengine type: %s\n", str); |
| 609 | return 1; |
| 610 | } |
| 611 | |
| 612 | |
| 613 | int parse_jobs_ini(char *file) |
| 614 | { |
| 615 | unsigned int prioclass, prio, cpu, global; |
| 616 | unsigned long long ull; |
| 617 | unsigned long ul1, ul2; |
| 618 | struct thread_data *td; |
| 619 | char *string, *name; |
| 620 | fpos_t off; |
| 621 | FILE *f; |
| 622 | char *p; |
| 623 | |
| 624 | f = fopen(file, "r"); |
| 625 | if (!f) { |
| 626 | perror("fopen"); |
| 627 | return 1; |
| 628 | } |
| 629 | |
| 630 | string = malloc(4096); |
| 631 | name = malloc(256); |
| 632 | |
| 633 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 634 | if (is_empty_or_comment(p)) |
| 635 | continue; |
| 636 | if (sscanf(p, "[%s]", name) != 1) |
| 637 | continue; |
| 638 | |
| 639 | global = !strncmp(name, "global", 6); |
| 640 | |
| 641 | name[strlen(name) - 1] = '\0'; |
| 642 | |
| 643 | td = get_new_job(global, &def_thread); |
| 644 | if (!td) |
| 645 | return 1; |
| 646 | |
| 647 | prioclass = 2; |
| 648 | prio = 4; |
| 649 | |
| 650 | fgetpos(f, &off); |
| 651 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 652 | if (is_empty_or_comment(p)) |
| 653 | continue; |
| 654 | if (strstr(p, "[")) |
| 655 | break; |
| 656 | if (!check_int(p, "prio", &prio)) { |
| 657 | #ifndef FIO_HAVE_IOPRIO |
| 658 | fprintf(stderr, "io priorities not available\n"); |
| 659 | return 1; |
| 660 | #endif |
| 661 | fgetpos(f, &off); |
| 662 | continue; |
| 663 | } |
| 664 | if (!check_int(p, "prioclass", &prioclass)) { |
| 665 | #ifndef FIO_HAVE_IOPRIO |
| 666 | fprintf(stderr, "io priorities not available\n"); |
| 667 | return 1; |
| 668 | #endif |
| 669 | fgetpos(f, &off); |
| 670 | continue; |
| 671 | } |
| 672 | if (!check_int(p, "direct", &td->odirect)) { |
| 673 | fgetpos(f, &off); |
| 674 | continue; |
| 675 | } |
| 676 | if (!check_int(p, "rate", &td->rate)) { |
| 677 | fgetpos(f, &off); |
| 678 | continue; |
| 679 | } |
| 680 | if (!check_int(p, "ratemin", &td->ratemin)) { |
| 681 | fgetpos(f, &off); |
| 682 | continue; |
| 683 | } |
| 684 | if (!check_int(p, "ratecycle", &td->ratecycle)) { |
| 685 | fgetpos(f, &off); |
| 686 | continue; |
| 687 | } |
| 688 | if (!check_int(p, "thinktime", &td->thinktime)) { |
| 689 | fgetpos(f, &off); |
| 690 | continue; |
| 691 | } |
| 692 | if (!check_int(p, "cpumask", &cpu)) { |
| 693 | #ifndef FIO_HAVE_CPU_AFFINITY |
| 694 | fprintf(stderr, "cpu affinity not available\n"); |
| 695 | return 1; |
| 696 | #endif |
| 697 | fill_cpu_mask(td->cpumask, cpu); |
| 698 | fgetpos(f, &off); |
| 699 | continue; |
| 700 | } |
| 701 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
| 702 | fgetpos(f, &off); |
| 703 | continue; |
| 704 | } |
| 705 | if (!check_int(p, "startdelay", &td->start_delay)) { |
| 706 | fgetpos(f, &off); |
| 707 | continue; |
| 708 | } |
| 709 | if (!check_int(p, "timeout", &td->timeout)) { |
| 710 | fgetpos(f, &off); |
| 711 | continue; |
| 712 | } |
| 713 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
| 714 | fgetpos(f, &off); |
| 715 | continue; |
| 716 | } |
| 717 | if (!check_int(p, "iodepth", &td->iodepth)) { |
| 718 | fgetpos(f, &off); |
| 719 | continue; |
| 720 | } |
| 721 | if (!check_int(p, "sync", &td->sync_io)) { |
| 722 | fgetpos(f, &off); |
| 723 | continue; |
| 724 | } |
| 725 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
| 726 | fgetpos(f, &off); |
| 727 | continue; |
| 728 | } |
| 729 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
| 730 | fgetpos(f, &off); |
| 731 | continue; |
| 732 | } |
| 733 | if (!check_int(p, "create_fsync", &td->create_fsync)) { |
| 734 | fgetpos(f, &off); |
| 735 | continue; |
| 736 | } |
| 737 | if (!check_int(p, "loops", &td->loops)) { |
| 738 | fgetpos(f, &off); |
| 739 | continue; |
| 740 | } |
| 741 | if (!check_int(p, "numjobs", &td->numjobs)) { |
| 742 | fgetpos(f, &off); |
| 743 | continue; |
| 744 | } |
| 745 | if (!check_int(p, "overwrite", &td->overwrite)) { |
| 746 | fgetpos(f, &off); |
| 747 | continue; |
| 748 | } |
| 749 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
| 750 | if (ul1 > ul2) { |
| 751 | td->max_bs = ul1; |
| 752 | td->min_bs = ul2; |
| 753 | } else { |
| 754 | td->max_bs = ul2; |
| 755 | td->min_bs = ul1; |
| 756 | } |
| 757 | fgetpos(f, &off); |
| 758 | continue; |
| 759 | } |
| 760 | if (!check_strcnv(p, "bs", &ull)) { |
| 761 | td->bs = ull; |
| 762 | fgetpos(f, &off); |
| 763 | continue; |
| 764 | } |
| 765 | if (!check_strcnv(p, "size", &td->file_size)) { |
| 766 | fgetpos(f, &off); |
| 767 | continue; |
| 768 | } |
| 769 | if (!check_strcnv(p, "offset", &td->file_offset)) { |
| 770 | fgetpos(f, &off); |
| 771 | continue; |
| 772 | } |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 773 | if (!check_strcnv(p, "zonesize", &td->zone_size)) { |
| 774 | fgetpos(f, &off); |
| 775 | continue; |
| 776 | } |
| 777 | if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { |
| 778 | fgetpos(f, &off); |
| 779 | continue; |
| 780 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 781 | if (!check_strstore(p, "directory", td->directory)) { |
| 782 | fgetpos(f, &off); |
| 783 | continue; |
| 784 | } |
| 785 | if (!check_str(p, "mem", str_mem_cb, td)) { |
| 786 | fgetpos(f, &off); |
| 787 | continue; |
| 788 | } |
| 789 | if (!check_str(p, "verify", str_verify_cb, td)) { |
| 790 | fgetpos(f, &off); |
| 791 | continue; |
| 792 | } |
| 793 | if (!check_str(p, "rw", str_rw_cb, td)) { |
| 794 | fgetpos(f, &off); |
| 795 | continue; |
| 796 | } |
| 797 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { |
| 798 | fgetpos(f, &off); |
| 799 | continue; |
| 800 | } |
| 801 | if (!check_strset(p, "create")) { |
| 802 | td->create_file = 1; |
| 803 | fgetpos(f, &off); |
| 804 | continue; |
| 805 | } |
| 806 | if (!check_strset(p, "exitall")) { |
| 807 | exitall_on_terminate = 1; |
| 808 | fgetpos(f, &off); |
| 809 | continue; |
| 810 | } |
| 811 | if (!check_strset(p, "stonewall")) { |
| 812 | td->stonewall = 1; |
| 813 | fgetpos(f, &off); |
| 814 | continue; |
| 815 | } |
| 816 | if (!check_strset(p, "thread")) { |
| 817 | td->use_thread = 1; |
| 818 | fgetpos(f, &off); |
| 819 | continue; |
| 820 | } |
| 821 | |
| 822 | printf("Client%d: bad option %s\n",td->thread_number,p); |
| 823 | } |
| 824 | fsetpos(f, &off); |
| 825 | |
| 826 | if (add_job(td, name, prioclass, prio)) |
| 827 | return 1; |
| 828 | } |
| 829 | |
| 830 | free(string); |
| 831 | free(name); |
| 832 | fclose(f); |
| 833 | return 0; |
| 834 | } |
| 835 | |
| 836 | static int fill_def_thread(void) |
| 837 | { |
| 838 | memset(&def_thread, 0, sizeof(def_thread)); |
| 839 | |
| 840 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { |
| 841 | perror("sched_getaffinity"); |
| 842 | return 1; |
| 843 | } |
| 844 | |
| 845 | /* |
| 846 | * fill globals |
| 847 | */ |
| 848 | def_thread.ddir = DDIR_READ; |
| 849 | def_thread.bs = DEF_BS; |
| 850 | def_thread.min_bs = -1; |
| 851 | def_thread.max_bs = -1; |
| 852 | def_thread.io_engine = DEF_IO_ENGINE; |
| 853 | strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); |
| 854 | def_thread.odirect = DEF_ODIRECT; |
| 855 | def_thread.ratecycle = DEF_RATE_CYCLE; |
| 856 | def_thread.sequential = DEF_SEQUENTIAL; |
| 857 | def_thread.timeout = DEF_TIMEOUT; |
| 858 | def_thread.create_file = DEF_CREATE; |
| 859 | def_thread.overwrite = DEF_OVERWRITE; |
| 860 | def_thread.invalidate_cache = DEF_INVALIDATE; |
| 861 | def_thread.sync_io = DEF_SYNCIO; |
| 862 | def_thread.mem_type = MEM_MALLOC; |
| 863 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
| 864 | def_thread.create_serialize = DEF_CREATE_SER; |
| 865 | def_thread.create_fsync = DEF_CREATE_FSYNC; |
| 866 | def_thread.loops = DEF_LOOPS; |
| 867 | def_thread.verify = DEF_VERIFY; |
| 868 | def_thread.stonewall = DEF_STONEWALL; |
| 869 | def_thread.numjobs = DEF_NUMJOBS; |
| 870 | def_thread.use_thread = DEF_USE_THREAD; |
| 871 | #ifdef FIO_HAVE_DISK_UTIL |
| 872 | def_thread.do_disk_util = 1; |
| 873 | #endif |
| 874 | |
| 875 | return 0; |
| 876 | } |
| 877 | |
| 878 | static void parse_cmd_line(int argc, char *argv[]) |
| 879 | { |
| 880 | int c; |
| 881 | |
| 882 | while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwv")) != EOF) { |
| 883 | switch (c) { |
| 884 | case 's': |
| 885 | def_thread.sequential = !!atoi(optarg); |
| 886 | break; |
| 887 | case 'b': |
| 888 | def_thread.bs = atoi(optarg); |
| 889 | def_thread.bs <<= 10; |
| 890 | if (!def_thread.bs) { |
| 891 | printf("bad block size\n"); |
| 892 | def_thread.bs = DEF_BS; |
| 893 | } |
| 894 | break; |
| 895 | case 't': |
| 896 | def_thread.timeout = atoi(optarg); |
| 897 | break; |
| 898 | case 'r': |
| 899 | repeatable = !!atoi(optarg); |
| 900 | break; |
| 901 | case 'R': |
| 902 | rate_quit = !!atoi(optarg); |
| 903 | break; |
| 904 | case 'o': |
| 905 | def_thread.odirect = !!atoi(optarg); |
| 906 | break; |
| 907 | case 'f': |
| 908 | ini_file = strdup(optarg); |
| 909 | break; |
| 910 | case 'l': |
| 911 | write_lat_log = 1; |
| 912 | break; |
| 913 | case 'w': |
| 914 | write_bw_log = 1; |
| 915 | break; |
| 916 | case 'v': |
| 917 | printf("%s\n", fio_version_string); |
| 918 | exit(0); |
| 919 | } |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | static void free_shm(void) |
| 924 | { |
| 925 | struct shmid_ds sbuf; |
| 926 | |
| 927 | if (threads) { |
| 928 | shmdt(threads); |
| 929 | threads = NULL; |
| 930 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 931 | } |
| 932 | } |
| 933 | |
| 934 | static int setup_thread_area(void) |
| 935 | { |
| 936 | /* |
| 937 | * 1024 is too much on some machines, scale max_jobs if |
| 938 | * we get a failure that looks like too large a shm segment |
| 939 | */ |
| 940 | do { |
| 941 | int s = max_jobs * sizeof(struct thread_data); |
| 942 | |
| 943 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
| 944 | if (shm_id != -1) |
| 945 | break; |
| 946 | if (errno != EINVAL) { |
| 947 | perror("shmget"); |
| 948 | break; |
| 949 | } |
| 950 | |
| 951 | max_jobs >>= 1; |
| 952 | } while (max_jobs); |
| 953 | |
| 954 | if (shm_id == -1) |
| 955 | return 1; |
| 956 | |
| 957 | threads = shmat(shm_id, NULL, 0); |
| 958 | if (threads == (void *) -1) { |
| 959 | perror("shmat"); |
| 960 | return 1; |
| 961 | } |
| 962 | |
| 963 | atexit(free_shm); |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | int parse_options(int argc, char *argv[]) |
| 968 | { |
| 969 | if (setup_thread_area()) |
| 970 | return 1; |
| 971 | if (fill_def_thread()) |
| 972 | return 1; |
| 973 | |
| 974 | parse_cmd_line(argc, argv); |
| 975 | |
| 976 | if (!ini_file) { |
| 977 | printf("Need job file\n"); |
| 978 | return 1; |
| 979 | } |
| 980 | |
| 981 | if (parse_jobs_ini(ini_file)) |
| 982 | return 1; |
| 983 | |
| 984 | return 0; |
| 985 | } |