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; |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 53 | unsigned long long mlock_size = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 54 | |
| 55 | static int setup_rate(struct thread_data *td) |
| 56 | { |
| 57 | int nr_reads_per_sec; |
| 58 | |
| 59 | if (!td->rate) |
| 60 | return 0; |
| 61 | |
| 62 | if (td->rate < td->ratemin) { |
| 63 | fprintf(stderr, "min rate larger than nominal rate\n"); |
| 64 | return -1; |
| 65 | } |
| 66 | |
| 67 | nr_reads_per_sec = (td->rate * 1024) / td->min_bs; |
| 68 | td->rate_usec_cycle = 1000000 / nr_reads_per_sec; |
| 69 | td->rate_pending_usleep = 0; |
| 70 | return 0; |
| 71 | } |
| 72 | |
| 73 | static void setup_log(struct io_log **log) |
| 74 | { |
| 75 | struct io_log *l = malloc(sizeof(*l)); |
| 76 | |
| 77 | l->nr_samples = 0; |
| 78 | l->max_samples = 1024; |
| 79 | l->log = malloc(l->max_samples * sizeof(struct io_sample)); |
| 80 | *log = l; |
| 81 | } |
| 82 | |
| 83 | void finish_log(struct thread_data *td, struct io_log *log, const char *name) |
| 84 | { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 85 | char file_name[256]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 86 | FILE *f; |
| 87 | unsigned int i; |
| 88 | |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 89 | snprintf(file_name, 200, "client%d_%s.log", td->thread_number, name); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 90 | f = fopen(file_name, "w"); |
| 91 | if (!f) { |
| 92 | perror("fopen log"); |
| 93 | return; |
| 94 | } |
| 95 | |
| 96 | for (i = 0; i < log->nr_samples; i++) |
| 97 | fprintf(f, "%lu, %lu, %u\n", log->log[i].time, log->log[i].val, log->log[i].ddir); |
| 98 | |
| 99 | fclose(f); |
| 100 | free(log->log); |
| 101 | free(log); |
| 102 | } |
| 103 | |
| 104 | static struct thread_data *get_new_job(int global, struct thread_data *parent) |
| 105 | { |
| 106 | struct thread_data *td; |
| 107 | |
| 108 | if (global) |
| 109 | return &def_thread; |
| 110 | if (thread_number >= max_jobs) |
| 111 | return NULL; |
| 112 | |
| 113 | td = &threads[thread_number++]; |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 114 | if (parent) |
| 115 | *td = *parent; |
| 116 | else |
| 117 | memset(td, 0, sizeof(*td)); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 118 | |
| 119 | td->fd = -1; |
| 120 | td->thread_number = thread_number; |
| 121 | |
| 122 | td->ddir = parent->ddir; |
| 123 | td->ioprio = parent->ioprio; |
| 124 | td->sequential = parent->sequential; |
| 125 | td->bs = parent->bs; |
| 126 | td->min_bs = parent->min_bs; |
| 127 | td->max_bs = parent->max_bs; |
| 128 | td->odirect = parent->odirect; |
| 129 | td->thinktime = parent->thinktime; |
| 130 | td->fsync_blocks = parent->fsync_blocks; |
| 131 | td->start_delay = parent->start_delay; |
| 132 | td->timeout = parent->timeout; |
| 133 | td->io_engine = parent->io_engine; |
| 134 | td->create_file = parent->create_file; |
| 135 | td->overwrite = parent->overwrite; |
| 136 | td->invalidate_cache = parent->invalidate_cache; |
| 137 | td->file_size = parent->file_size; |
| 138 | td->file_offset = parent->file_offset; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 139 | td->zone_size = parent->zone_size; |
| 140 | td->zone_skip = parent->zone_skip; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 141 | td->rate = parent->rate; |
| 142 | td->ratemin = parent->ratemin; |
| 143 | td->ratecycle = parent->ratecycle; |
| 144 | td->iodepth = parent->iodepth; |
| 145 | td->sync_io = parent->sync_io; |
| 146 | td->mem_type = parent->mem_type; |
| 147 | td->bw_avg_time = parent->bw_avg_time; |
| 148 | td->create_serialize = parent->create_serialize; |
| 149 | td->create_fsync = parent->create_fsync; |
| 150 | td->loops = parent->loops; |
| 151 | td->verify = parent->verify; |
| 152 | td->stonewall = parent->stonewall; |
| 153 | td->numjobs = parent->numjobs; |
| 154 | td->use_thread = parent->use_thread; |
| 155 | td->do_disk_util = parent->do_disk_util; |
| 156 | memcpy(&td->cpumask, &parent->cpumask, sizeof(td->cpumask)); |
| 157 | strcpy(td->io_engine_name, parent->io_engine_name); |
| 158 | |
| 159 | return td; |
| 160 | } |
| 161 | |
| 162 | static void put_job(struct thread_data *td) |
| 163 | { |
| 164 | memset(&threads[td->thread_number - 1], 0, sizeof(*td)); |
| 165 | thread_number--; |
| 166 | } |
| 167 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame^] | 168 | static int add_job(struct thread_data *td, const char *jobname, int job_add_num) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 169 | { |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 170 | char *ddir_str[] = { "read", "write", "randread", "randwrite", |
| 171 | "rw", NULL, "randrw" }; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 172 | struct stat sb; |
| 173 | int numjobs, ddir; |
| 174 | |
| 175 | #ifndef FIO_HAVE_LIBAIO |
| 176 | if (td->io_engine == FIO_LIBAIO) { |
| 177 | fprintf(stderr, "Linux libaio not available\n"); |
| 178 | return 1; |
| 179 | } |
| 180 | #endif |
| 181 | #ifndef FIO_HAVE_POSIXAIO |
| 182 | if (td->io_engine == FIO_POSIXAIO) { |
| 183 | fprintf(stderr, "posix aio not available\n"); |
| 184 | return 1; |
| 185 | } |
| 186 | #endif |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 187 | |
| 188 | /* |
| 189 | * the def_thread is just for options, it's not a real job |
| 190 | */ |
| 191 | if (td == &def_thread) |
| 192 | return 0; |
| 193 | |
| 194 | if (td->io_engine & FIO_SYNCIO) |
| 195 | td->iodepth = 1; |
| 196 | else { |
| 197 | if (!td->iodepth) |
| 198 | td->iodepth = 1; |
| 199 | } |
| 200 | |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 201 | /* |
| 202 | * only really works for sequential io for now |
| 203 | */ |
| 204 | if (td->zone_size && !td->sequential) |
| 205 | td->zone_size = 0; |
| 206 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 207 | td->filetype = FIO_TYPE_FILE; |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 208 | if (!stat(jobname, &sb)) { |
| 209 | if (S_ISBLK(sb.st_mode)) |
| 210 | td->filetype = FIO_TYPE_BD; |
| 211 | else if (S_ISCHR(sb.st_mode)) |
| 212 | td->filetype = FIO_TYPE_CHAR; |
| 213 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 214 | |
| 215 | if (td->filetype == FIO_TYPE_FILE) { |
| 216 | if (td->directory[0] != '\0') |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 217 | sprintf(td->file_name, "%s/%s.%d", td->directory, jobname, td->jobnum); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 218 | else |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 219 | sprintf(td->file_name, "%s.%d", jobname, td->jobnum); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 220 | } else |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 221 | strncpy(td->file_name, jobname, sizeof(td->file_name) - 1); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 222 | |
| 223 | sem_init(&td->mutex, 0, 0); |
| 224 | |
| 225 | td->clat_stat[0].min_val = td->clat_stat[1].min_val = ULONG_MAX; |
| 226 | td->slat_stat[0].min_val = td->slat_stat[1].min_val = ULONG_MAX; |
| 227 | td->bw_stat[0].min_val = td->bw_stat[1].min_val = ULONG_MAX; |
| 228 | |
| 229 | if (td->min_bs == -1U) |
| 230 | td->min_bs = td->bs; |
| 231 | if (td->max_bs == -1U) |
| 232 | td->max_bs = td->bs; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 233 | if (td_read(td) && !td_rw(td)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 234 | td->verify = 0; |
| 235 | |
| 236 | if (td->stonewall && td->thread_number > 1) |
| 237 | groupid++; |
| 238 | |
| 239 | td->groupid = groupid; |
| 240 | |
| 241 | if (setup_rate(td)) |
| 242 | goto err; |
| 243 | |
| 244 | if (write_lat_log) { |
| 245 | setup_log(&td->slat_log); |
| 246 | setup_log(&td->clat_log); |
| 247 | } |
| 248 | if (write_bw_log) |
| 249 | setup_log(&td->bw_log); |
| 250 | |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 251 | ddir = td->ddir + (!td->sequential << 1) + (td->iomix << 2); |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame^] | 252 | |
| 253 | if (!job_add_num) |
| 254 | printf("Client%d (g=%d): rw=%s, odir=%d, bs=%d-%d, rate=%d, ioengine=%s, iodepth=%d\n", td->thread_number, td->groupid, ddir_str[ddir], td->odirect, td->min_bs, td->max_bs, td->rate, td->io_engine_name, td->iodepth); |
| 255 | else if (job_add_num == 1) |
| 256 | printf("...\n"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 257 | |
| 258 | /* |
| 259 | * recurse add identical jobs, clear numjobs and stonewall options |
| 260 | * as they don't apply to sub-jobs |
| 261 | */ |
| 262 | numjobs = td->numjobs; |
| 263 | while (--numjobs) { |
| 264 | struct thread_data *td_new = get_new_job(0, td); |
| 265 | |
| 266 | if (!td_new) |
| 267 | goto err; |
| 268 | |
| 269 | td_new->numjobs = 1; |
| 270 | td_new->stonewall = 0; |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 271 | td_new->jobnum = numjobs; |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame^] | 272 | job_add_num = numjobs - 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 273 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame^] | 274 | if (add_job(td_new, jobname, job_add_num)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 275 | goto err; |
| 276 | } |
| 277 | return 0; |
| 278 | err: |
| 279 | put_job(td); |
| 280 | return -1; |
| 281 | } |
| 282 | |
| 283 | int init_random_state(struct thread_data *td) |
| 284 | { |
| 285 | unsigned long seed; |
| 286 | int fd, num_maps, blocks; |
| 287 | |
Jens Axboe | 1ac267b | 2006-05-31 20:29:00 +0200 | [diff] [blame] | 288 | fd = open("/dev/urandom", O_RDONLY); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 289 | if (fd == -1) { |
| 290 | td_verror(td, errno); |
| 291 | return 1; |
| 292 | } |
| 293 | |
| 294 | if (read(fd, &seed, sizeof(seed)) < (int) sizeof(seed)) { |
| 295 | td_verror(td, EIO); |
| 296 | close(fd); |
| 297 | return 1; |
| 298 | } |
| 299 | |
| 300 | close(fd); |
| 301 | |
| 302 | srand48_r(seed, &td->bsrange_state); |
| 303 | srand48_r(seed, &td->verify_state); |
| 304 | |
| 305 | if (td->sequential) |
| 306 | return 0; |
| 307 | |
| 308 | if (repeatable) |
| 309 | seed = DEF_RANDSEED; |
| 310 | |
| 311 | blocks = (td->io_size + td->min_bs - 1) / td->min_bs; |
| 312 | num_maps = blocks / BLOCKS_PER_MAP; |
| 313 | td->file_map = malloc(num_maps * sizeof(long)); |
| 314 | td->num_maps = num_maps; |
| 315 | memset(td->file_map, 0, num_maps * sizeof(long)); |
| 316 | |
| 317 | srand48_r(seed, &td->random_state); |
| 318 | return 0; |
| 319 | } |
| 320 | |
| 321 | static void fill_cpu_mask(os_cpu_mask_t cpumask, int cpu) |
| 322 | { |
| 323 | #ifdef FIO_HAVE_CPU_AFFINITY |
| 324 | unsigned int i; |
| 325 | |
| 326 | CPU_ZERO(&cpumask); |
| 327 | |
| 328 | for (i = 0; i < sizeof(int) * 8; i++) { |
| 329 | if ((1 << i) & cpu) |
| 330 | CPU_SET(i, &cpumask); |
| 331 | } |
| 332 | #endif |
| 333 | } |
| 334 | |
| 335 | static unsigned long get_mult(char c) |
| 336 | { |
| 337 | switch (c) { |
| 338 | case 'k': |
| 339 | case 'K': |
| 340 | return 1024; |
| 341 | case 'm': |
| 342 | case 'M': |
| 343 | return 1024 * 1024; |
| 344 | case 'g': |
| 345 | case 'G': |
| 346 | return 1024 * 1024 * 1024; |
| 347 | default: |
| 348 | return 1; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | /* |
| 353 | * convert string after '=' into decimal value, noting any size suffix |
| 354 | */ |
| 355 | static int str_cnv(char *p, unsigned long long *val) |
| 356 | { |
| 357 | char *str; |
| 358 | int len; |
| 359 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 360 | str = strchr(p, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 361 | if (!str) |
| 362 | return 1; |
| 363 | |
| 364 | str++; |
| 365 | len = strlen(str); |
| 366 | |
| 367 | *val = strtoul(str, NULL, 10); |
| 368 | if (*val == ULONG_MAX && errno == ERANGE) |
| 369 | return 1; |
| 370 | |
Jens Axboe | 9d0d424 | 2006-05-30 13:45:51 +0200 | [diff] [blame] | 371 | *val *= get_mult(str[len - 1]); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 372 | return 0; |
| 373 | } |
| 374 | |
| 375 | static int check_strcnv(char *p, char *name, unsigned long long *val) |
| 376 | { |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 377 | if (strncmp(p, name, strlen(name) - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 378 | return 1; |
| 379 | |
| 380 | return str_cnv(p, val); |
| 381 | } |
| 382 | |
| 383 | static void strip_blank_front(char **p) |
| 384 | { |
| 385 | char *s = *p; |
| 386 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 387 | while (isspace(*s)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 388 | s++; |
| 389 | } |
| 390 | |
| 391 | static void strip_blank_end(char *p) |
| 392 | { |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 393 | char *s = p + strlen(p) - 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 394 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 395 | while (isspace(*s) || iscntrl(*s)) |
| 396 | s--; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 397 | |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 398 | *(s + 1) = '\0'; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 399 | } |
| 400 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 401 | typedef int (str_cb_fn)(struct thread_data *, char *); |
| 402 | |
| 403 | static int check_str(char *p, char *name, str_cb_fn *cb, struct thread_data *td) |
| 404 | { |
| 405 | char *s = strstr(p, name); |
| 406 | |
| 407 | if (!s) |
| 408 | return 1; |
| 409 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 410 | s = strchr(s, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 411 | if (!s) |
| 412 | return 1; |
| 413 | |
| 414 | s++; |
| 415 | strip_blank_front(&s); |
| 416 | return cb(td, s); |
| 417 | } |
| 418 | |
| 419 | static int check_strstore(char *p, char *name, char *dest) |
| 420 | { |
| 421 | char *s = strstr(p, name); |
| 422 | |
| 423 | if (!s) |
| 424 | return 1; |
| 425 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 426 | s = strchr(p, '='); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 427 | if (!s) |
| 428 | return 1; |
| 429 | |
| 430 | s++; |
| 431 | strip_blank_front(&s); |
| 432 | |
| 433 | strcpy(dest, s); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 434 | return 0; |
| 435 | } |
| 436 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 437 | static int __check_range(char *str, unsigned long *val) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 438 | { |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 439 | char suffix; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 440 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 441 | if (sscanf(str, "%lu%c", val, &suffix) == 2) { |
| 442 | *val *= get_mult(suffix); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 443 | return 0; |
| 444 | } |
| 445 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 446 | if (sscanf(str, "%lu", val) == 1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 447 | return 0; |
| 448 | |
| 449 | return 1; |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 450 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 451 | |
Jens Axboe | 01617be | 2005-12-08 19:50:40 +0100 | [diff] [blame] | 452 | static int check_range(char *p, char *name, unsigned long *s, unsigned long *e) |
| 453 | { |
| 454 | char option[128]; |
| 455 | char *str, *p1, *p2; |
| 456 | |
| 457 | strcpy(option, p); |
| 458 | p = option; |
| 459 | |
| 460 | str = strstr(p, name); |
| 461 | if (!str) |
| 462 | return 1; |
| 463 | |
| 464 | p += strlen(name); |
| 465 | |
| 466 | str = strchr(p, '='); |
| 467 | if (!str) |
| 468 | return 1; |
| 469 | |
| 470 | /* |
| 471 | * 'p' now holds whatever is after the '=' sign |
| 472 | */ |
| 473 | p1 = str + 1; |
| 474 | |
| 475 | /* |
| 476 | * terminate p1 at the '-' sign |
| 477 | */ |
| 478 | p = strchr(p1, '-'); |
| 479 | if (!p) |
| 480 | return 1; |
| 481 | |
| 482 | p2 = p + 1; |
| 483 | *p = '\0'; |
| 484 | |
| 485 | if (!__check_range(p1, s) && !__check_range(p2, e)) |
| 486 | return 0; |
| 487 | |
| 488 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 489 | } |
| 490 | |
| 491 | static int check_int(char *p, char *name, unsigned int *val) |
| 492 | { |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 493 | char *str; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 494 | |
Jens Axboe | b6754f9 | 2006-05-30 14:29:32 +0200 | [diff] [blame] | 495 | if (strncmp(p, name, strlen(name))) |
| 496 | return 1; |
| 497 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 498 | str = strstr(p, name); |
| 499 | if (!str) |
| 500 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 501 | |
Jens Axboe | f5d3e5e | 2005-12-08 20:05:38 +0100 | [diff] [blame] | 502 | str = strchr(p, '='); |
| 503 | if (!str) |
| 504 | return 1; |
| 505 | |
| 506 | str++; |
| 507 | |
| 508 | if (sscanf(str, "%u", val) == 1) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 509 | return 0; |
| 510 | |
| 511 | return 1; |
| 512 | } |
| 513 | |
| 514 | static int check_strset(char *p, char *name) |
| 515 | { |
| 516 | return strncmp(p, name, strlen(name)); |
| 517 | } |
| 518 | |
| 519 | static int is_empty_or_comment(char *line) |
| 520 | { |
| 521 | unsigned int i; |
| 522 | |
| 523 | for (i = 0; i < strlen(line); i++) { |
| 524 | if (line[i] == ';') |
| 525 | return 1; |
| 526 | if (!isspace(line[i]) && !iscntrl(line[i])) |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | return 1; |
| 531 | } |
| 532 | |
| 533 | static int str_rw_cb(struct thread_data *td, char *mem) |
| 534 | { |
| 535 | if (!strncmp(mem, "read", 4) || !strncmp(mem, "0", 1)) { |
| 536 | td->ddir = DDIR_READ; |
| 537 | td->sequential = 1; |
| 538 | return 0; |
| 539 | } else if (!strncmp(mem, "randread", 8)) { |
| 540 | td->ddir = DDIR_READ; |
| 541 | td->sequential = 0; |
| 542 | return 0; |
| 543 | } else if (!strncmp(mem, "write", 5) || !strncmp(mem, "1", 1)) { |
| 544 | td->ddir = DDIR_WRITE; |
| 545 | td->sequential = 1; |
| 546 | return 0; |
| 547 | } else if (!strncmp(mem, "randwrite", 9)) { |
| 548 | td->ddir = DDIR_WRITE; |
| 549 | td->sequential = 0; |
| 550 | return 0; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 551 | } else if (!strncmp(mem, "rw", 2)) { |
| 552 | td->ddir = 0; |
| 553 | td->iomix = 1; |
| 554 | td->sequential = 1; |
| 555 | return 0; |
| 556 | } else if (!strncmp(mem, "randrw", 6)) { |
| 557 | td->ddir = 0; |
| 558 | td->iomix = 1; |
| 559 | td->sequential = 0; |
| 560 | return 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | fprintf(stderr, "bad data direction: %s\n", mem); |
| 564 | return 1; |
| 565 | } |
| 566 | |
| 567 | static int str_verify_cb(struct thread_data *td, char *mem) |
| 568 | { |
| 569 | if (!strncmp(mem, "0", 1)) { |
| 570 | td->verify = VERIFY_NONE; |
| 571 | return 0; |
| 572 | } else if (!strncmp(mem, "md5", 3) || !strncmp(mem, "1", 1)) { |
| 573 | td->verify = VERIFY_MD5; |
| 574 | return 0; |
| 575 | } else if (!strncmp(mem, "crc32", 5)) { |
| 576 | td->verify = VERIFY_CRC32; |
| 577 | return 0; |
| 578 | } |
| 579 | |
| 580 | fprintf(stderr, "bad verify type: %s\n", mem); |
| 581 | return 1; |
| 582 | } |
| 583 | |
| 584 | static int str_mem_cb(struct thread_data *td, char *mem) |
| 585 | { |
| 586 | if (!strncmp(mem, "malloc", 6)) { |
| 587 | td->mem_type = MEM_MALLOC; |
| 588 | return 0; |
| 589 | } else if (!strncmp(mem, "shm", 3)) { |
| 590 | td->mem_type = MEM_SHM; |
| 591 | return 0; |
| 592 | } else if (!strncmp(mem, "mmap", 4)) { |
| 593 | td->mem_type = MEM_MMAP; |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | fprintf(stderr, "bad mem type: %s\n", mem); |
| 598 | return 1; |
| 599 | } |
| 600 | |
| 601 | static int str_ioengine_cb(struct thread_data *td, char *str) |
| 602 | { |
| 603 | if (!strncmp(str, "linuxaio", 8) || !strncmp(str, "aio", 3) || |
| 604 | !strncmp(str, "libaio", 6)) { |
| 605 | strcpy(td->io_engine_name, "libaio"); |
| 606 | td->io_engine = FIO_LIBAIO; |
| 607 | return 0; |
| 608 | } else if (!strncmp(str, "posixaio", 8)) { |
| 609 | strcpy(td->io_engine_name, "posixaio"); |
| 610 | td->io_engine = FIO_POSIXAIO; |
| 611 | return 0; |
| 612 | } else if (!strncmp(str, "sync", 4)) { |
| 613 | strcpy(td->io_engine_name, "sync"); |
| 614 | td->io_engine = FIO_SYNCIO; |
| 615 | return 0; |
| 616 | } else if (!strncmp(str, "mmap", 4)) { |
| 617 | strcpy(td->io_engine_name, "mmap"); |
| 618 | td->io_engine = FIO_MMAPIO; |
| 619 | return 0; |
| 620 | } else if (!strncmp(str, "sgio", 4)) { |
| 621 | strcpy(td->io_engine_name, "sgio"); |
| 622 | td->io_engine = FIO_SGIO; |
| 623 | return 0; |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 624 | } else if (!strncmp(str, "splice", 6)) { |
| 625 | strcpy(td->io_engine_name, "splice"); |
| 626 | td->io_engine = FIO_SPLICEIO; |
| 627 | return 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 628 | } |
| 629 | |
| 630 | fprintf(stderr, "bad ioengine type: %s\n", str); |
| 631 | return 1; |
| 632 | } |
| 633 | |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 634 | static int str_iolog_cb(struct thread_data *td, char *file) |
| 635 | { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 636 | strncpy(td->iolog_file, file, sizeof(td->iolog_file) - 1); |
| 637 | |
| 638 | return 0; |
| 639 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 640 | |
| 641 | int parse_jobs_ini(char *file) |
| 642 | { |
| 643 | unsigned int prioclass, prio, cpu, global; |
| 644 | unsigned long long ull; |
| 645 | unsigned long ul1, ul2; |
| 646 | struct thread_data *td; |
| 647 | char *string, *name; |
| 648 | fpos_t off; |
| 649 | FILE *f; |
| 650 | char *p; |
| 651 | |
| 652 | f = fopen(file, "r"); |
| 653 | if (!f) { |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 654 | perror("fopen job file"); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 655 | return 1; |
| 656 | } |
| 657 | |
| 658 | string = malloc(4096); |
| 659 | name = malloc(256); |
| 660 | |
| 661 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 662 | if (is_empty_or_comment(p)) |
| 663 | continue; |
| 664 | if (sscanf(p, "[%s]", name) != 1) |
| 665 | continue; |
| 666 | |
| 667 | global = !strncmp(name, "global", 6); |
| 668 | |
| 669 | name[strlen(name) - 1] = '\0'; |
| 670 | |
| 671 | td = get_new_job(global, &def_thread); |
| 672 | if (!td) |
| 673 | return 1; |
| 674 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 675 | fgetpos(f, &off); |
| 676 | while ((p = fgets(string, 4096, f)) != NULL) { |
| 677 | if (is_empty_or_comment(p)) |
| 678 | continue; |
| 679 | if (strstr(p, "[")) |
| 680 | break; |
Jens Axboe | b6754f9 | 2006-05-30 14:29:32 +0200 | [diff] [blame] | 681 | strip_blank_front(&p); |
Jens Axboe | 4ae3f76 | 2006-05-30 13:35:14 +0200 | [diff] [blame] | 682 | strip_blank_end(p); |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 683 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 684 | if (!check_int(p, "prio", &prio)) { |
| 685 | #ifndef FIO_HAVE_IOPRIO |
| 686 | fprintf(stderr, "io priorities not available\n"); |
| 687 | return 1; |
| 688 | #endif |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 689 | td->ioprio |= prio; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 690 | fgetpos(f, &off); |
| 691 | continue; |
| 692 | } |
| 693 | if (!check_int(p, "prioclass", &prioclass)) { |
| 694 | #ifndef FIO_HAVE_IOPRIO |
| 695 | fprintf(stderr, "io priorities not available\n"); |
| 696 | return 1; |
| 697 | #endif |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 698 | td->ioprio |= prioclass << IOPRIO_CLASS_SHIFT; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 699 | fgetpos(f, &off); |
| 700 | continue; |
| 701 | } |
| 702 | if (!check_int(p, "direct", &td->odirect)) { |
| 703 | fgetpos(f, &off); |
| 704 | continue; |
| 705 | } |
| 706 | if (!check_int(p, "rate", &td->rate)) { |
| 707 | fgetpos(f, &off); |
| 708 | continue; |
| 709 | } |
| 710 | if (!check_int(p, "ratemin", &td->ratemin)) { |
| 711 | fgetpos(f, &off); |
| 712 | continue; |
| 713 | } |
| 714 | if (!check_int(p, "ratecycle", &td->ratecycle)) { |
| 715 | fgetpos(f, &off); |
| 716 | continue; |
| 717 | } |
| 718 | if (!check_int(p, "thinktime", &td->thinktime)) { |
| 719 | fgetpos(f, &off); |
| 720 | continue; |
| 721 | } |
| 722 | if (!check_int(p, "cpumask", &cpu)) { |
| 723 | #ifndef FIO_HAVE_CPU_AFFINITY |
| 724 | fprintf(stderr, "cpu affinity not available\n"); |
| 725 | return 1; |
| 726 | #endif |
| 727 | fill_cpu_mask(td->cpumask, cpu); |
| 728 | fgetpos(f, &off); |
| 729 | continue; |
| 730 | } |
| 731 | if (!check_int(p, "fsync", &td->fsync_blocks)) { |
| 732 | fgetpos(f, &off); |
Jens Axboe | fc1a471 | 2006-05-30 13:04:05 +0200 | [diff] [blame] | 733 | td->end_fsync = 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 734 | continue; |
| 735 | } |
| 736 | if (!check_int(p, "startdelay", &td->start_delay)) { |
| 737 | fgetpos(f, &off); |
| 738 | continue; |
| 739 | } |
| 740 | if (!check_int(p, "timeout", &td->timeout)) { |
| 741 | fgetpos(f, &off); |
| 742 | continue; |
| 743 | } |
| 744 | if (!check_int(p, "invalidate",&td->invalidate_cache)) { |
| 745 | fgetpos(f, &off); |
| 746 | continue; |
| 747 | } |
| 748 | if (!check_int(p, "iodepth", &td->iodepth)) { |
| 749 | fgetpos(f, &off); |
| 750 | continue; |
| 751 | } |
| 752 | if (!check_int(p, "sync", &td->sync_io)) { |
| 753 | fgetpos(f, &off); |
| 754 | continue; |
| 755 | } |
| 756 | if (!check_int(p, "bwavgtime", &td->bw_avg_time)) { |
| 757 | fgetpos(f, &off); |
| 758 | continue; |
| 759 | } |
| 760 | if (!check_int(p, "create_serialize", &td->create_serialize)) { |
| 761 | fgetpos(f, &off); |
| 762 | continue; |
| 763 | } |
| 764 | if (!check_int(p, "create_fsync", &td->create_fsync)) { |
| 765 | fgetpos(f, &off); |
| 766 | continue; |
| 767 | } |
Jens Axboe | fc1a471 | 2006-05-30 13:04:05 +0200 | [diff] [blame] | 768 | if (!check_int(p, "end_fsync", &td->end_fsync)) { |
| 769 | fgetpos(f, &off); |
| 770 | continue; |
| 771 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 772 | if (!check_int(p, "loops", &td->loops)) { |
| 773 | fgetpos(f, &off); |
| 774 | continue; |
| 775 | } |
| 776 | if (!check_int(p, "numjobs", &td->numjobs)) { |
| 777 | fgetpos(f, &off); |
| 778 | continue; |
| 779 | } |
| 780 | if (!check_int(p, "overwrite", &td->overwrite)) { |
| 781 | fgetpos(f, &off); |
| 782 | continue; |
| 783 | } |
| 784 | if (!check_range(p, "bsrange", &ul1, &ul2)) { |
| 785 | if (ul1 > ul2) { |
| 786 | td->max_bs = ul1; |
| 787 | td->min_bs = ul2; |
| 788 | } else { |
| 789 | td->max_bs = ul2; |
| 790 | td->min_bs = ul1; |
| 791 | } |
| 792 | fgetpos(f, &off); |
| 793 | continue; |
| 794 | } |
| 795 | if (!check_strcnv(p, "bs", &ull)) { |
| 796 | td->bs = ull; |
| 797 | fgetpos(f, &off); |
| 798 | continue; |
| 799 | } |
| 800 | if (!check_strcnv(p, "size", &td->file_size)) { |
| 801 | fgetpos(f, &off); |
| 802 | continue; |
| 803 | } |
| 804 | if (!check_strcnv(p, "offset", &td->file_offset)) { |
| 805 | fgetpos(f, &off); |
| 806 | continue; |
| 807 | } |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 808 | if (!check_strcnv(p, "zonesize", &td->zone_size)) { |
| 809 | fgetpos(f, &off); |
| 810 | continue; |
| 811 | } |
| 812 | if (!check_strcnv(p, "zoneskip", &td->zone_skip)) { |
| 813 | fgetpos(f, &off); |
| 814 | continue; |
| 815 | } |
Jens Axboe | c04f7ec | 2006-05-31 10:13:16 +0200 | [diff] [blame] | 816 | if (!check_strcnv(p, "lockmem", &mlock_size)) { |
| 817 | fgetpos(f, &off); |
| 818 | continue; |
| 819 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 820 | if (!check_strstore(p, "directory", td->directory)) { |
| 821 | fgetpos(f, &off); |
| 822 | continue; |
| 823 | } |
| 824 | if (!check_str(p, "mem", str_mem_cb, td)) { |
| 825 | fgetpos(f, &off); |
| 826 | continue; |
| 827 | } |
| 828 | if (!check_str(p, "verify", str_verify_cb, td)) { |
| 829 | fgetpos(f, &off); |
| 830 | continue; |
| 831 | } |
| 832 | if (!check_str(p, "rw", str_rw_cb, td)) { |
| 833 | fgetpos(f, &off); |
| 834 | continue; |
| 835 | } |
| 836 | if (!check_str(p, "ioengine", str_ioengine_cb, td)) { |
| 837 | fgetpos(f, &off); |
| 838 | continue; |
| 839 | } |
| 840 | if (!check_strset(p, "create")) { |
| 841 | td->create_file = 1; |
| 842 | fgetpos(f, &off); |
| 843 | continue; |
| 844 | } |
| 845 | if (!check_strset(p, "exitall")) { |
| 846 | exitall_on_terminate = 1; |
| 847 | fgetpos(f, &off); |
| 848 | continue; |
| 849 | } |
| 850 | if (!check_strset(p, "stonewall")) { |
| 851 | td->stonewall = 1; |
| 852 | fgetpos(f, &off); |
| 853 | continue; |
| 854 | } |
| 855 | if (!check_strset(p, "thread")) { |
| 856 | td->use_thread = 1; |
| 857 | fgetpos(f, &off); |
| 858 | continue; |
| 859 | } |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 860 | if (!check_str(p, "iolog", str_iolog_cb, td)) { |
| 861 | td->iolog = 1; |
| 862 | fgetpos(f, &off); |
| 863 | continue; |
| 864 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 865 | |
| 866 | printf("Client%d: bad option %s\n",td->thread_number,p); |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 867 | return 1; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 868 | } |
| 869 | fsetpos(f, &off); |
| 870 | |
Jens Axboe | 7515484 | 2006-06-01 13:56:09 +0200 | [diff] [blame^] | 871 | if (add_job(td, name, 0)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 872 | return 1; |
| 873 | } |
| 874 | |
| 875 | free(string); |
| 876 | free(name); |
| 877 | fclose(f); |
| 878 | return 0; |
| 879 | } |
| 880 | |
| 881 | static int fill_def_thread(void) |
| 882 | { |
| 883 | memset(&def_thread, 0, sizeof(def_thread)); |
| 884 | |
| 885 | if (fio_getaffinity(getpid(), &def_thread.cpumask) == -1) { |
| 886 | perror("sched_getaffinity"); |
| 887 | return 1; |
| 888 | } |
| 889 | |
| 890 | /* |
| 891 | * fill globals |
| 892 | */ |
| 893 | def_thread.ddir = DDIR_READ; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 894 | def_thread.iomix = 0; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 895 | def_thread.bs = DEF_BS; |
| 896 | def_thread.min_bs = -1; |
| 897 | def_thread.max_bs = -1; |
| 898 | def_thread.io_engine = DEF_IO_ENGINE; |
| 899 | strcpy(def_thread.io_engine_name, DEF_IO_ENGINE_NAME); |
| 900 | def_thread.odirect = DEF_ODIRECT; |
| 901 | def_thread.ratecycle = DEF_RATE_CYCLE; |
| 902 | def_thread.sequential = DEF_SEQUENTIAL; |
| 903 | def_thread.timeout = DEF_TIMEOUT; |
| 904 | def_thread.create_file = DEF_CREATE; |
| 905 | def_thread.overwrite = DEF_OVERWRITE; |
| 906 | def_thread.invalidate_cache = DEF_INVALIDATE; |
| 907 | def_thread.sync_io = DEF_SYNCIO; |
| 908 | def_thread.mem_type = MEM_MALLOC; |
| 909 | def_thread.bw_avg_time = DEF_BWAVGTIME; |
| 910 | def_thread.create_serialize = DEF_CREATE_SER; |
| 911 | def_thread.create_fsync = DEF_CREATE_FSYNC; |
| 912 | def_thread.loops = DEF_LOOPS; |
| 913 | def_thread.verify = DEF_VERIFY; |
| 914 | def_thread.stonewall = DEF_STONEWALL; |
| 915 | def_thread.numjobs = DEF_NUMJOBS; |
| 916 | def_thread.use_thread = DEF_USE_THREAD; |
| 917 | #ifdef FIO_HAVE_DISK_UTIL |
| 918 | def_thread.do_disk_util = 1; |
| 919 | #endif |
| 920 | |
| 921 | return 0; |
| 922 | } |
| 923 | |
Jens Axboe | 4785f99 | 2006-05-26 03:59:10 +0200 | [diff] [blame] | 924 | static void usage(char *name) |
| 925 | { |
| 926 | printf("%s\n", fio_version_string); |
| 927 | printf("\t-s IO is sequential\n"); |
| 928 | printf("\t-b Block size in KiB for each IO\n"); |
| 929 | printf("\t-t Runtime in seconds\n"); |
| 930 | printf("\t-R Exit all threads on failure to meet rate goal\n"); |
| 931 | printf("\t-o Use O_DIRECT\n"); |
| 932 | printf("\t-l Generate per-job latency logs\n"); |
| 933 | printf("\t-w Generate per-job bandwidth logs\n"); |
| 934 | printf("\t-f Job file (Required)\n"); |
| 935 | printf("\t-v Print version info and exit\n"); |
| 936 | } |
| 937 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 938 | static void parse_cmd_line(int argc, char *argv[]) |
| 939 | { |
| 940 | int c; |
| 941 | |
Jens Axboe | 4785f99 | 2006-05-26 03:59:10 +0200 | [diff] [blame] | 942 | while ((c = getopt(argc, argv, "s:b:t:r:R:o:f:lwvh")) != EOF) { |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 943 | switch (c) { |
| 944 | case 's': |
| 945 | def_thread.sequential = !!atoi(optarg); |
| 946 | break; |
| 947 | case 'b': |
| 948 | def_thread.bs = atoi(optarg); |
| 949 | def_thread.bs <<= 10; |
| 950 | if (!def_thread.bs) { |
| 951 | printf("bad block size\n"); |
| 952 | def_thread.bs = DEF_BS; |
| 953 | } |
| 954 | break; |
| 955 | case 't': |
| 956 | def_thread.timeout = atoi(optarg); |
| 957 | break; |
| 958 | case 'r': |
| 959 | repeatable = !!atoi(optarg); |
| 960 | break; |
| 961 | case 'R': |
| 962 | rate_quit = !!atoi(optarg); |
| 963 | break; |
| 964 | case 'o': |
| 965 | def_thread.odirect = !!atoi(optarg); |
| 966 | break; |
| 967 | case 'f': |
| 968 | ini_file = strdup(optarg); |
| 969 | break; |
| 970 | case 'l': |
| 971 | write_lat_log = 1; |
| 972 | break; |
| 973 | case 'w': |
| 974 | write_bw_log = 1; |
| 975 | break; |
Jens Axboe | 4785f99 | 2006-05-26 03:59:10 +0200 | [diff] [blame] | 976 | case 'h': |
| 977 | usage(argv[0]); |
| 978 | exit(0); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 979 | case 'v': |
| 980 | printf("%s\n", fio_version_string); |
| 981 | exit(0); |
| 982 | } |
| 983 | } |
Jens Axboe | c9fad89 | 2006-05-27 17:26:50 +0200 | [diff] [blame] | 984 | |
| 985 | if (!ini_file && argc > 1 && argv[argc - 1][0] != '-') |
| 986 | ini_file = strdup(argv[argc - 1]); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 987 | } |
| 988 | |
| 989 | static void free_shm(void) |
| 990 | { |
| 991 | struct shmid_ds sbuf; |
| 992 | |
| 993 | if (threads) { |
| 994 | shmdt(threads); |
| 995 | threads = NULL; |
| 996 | shmctl(shm_id, IPC_RMID, &sbuf); |
| 997 | } |
| 998 | } |
| 999 | |
| 1000 | static int setup_thread_area(void) |
| 1001 | { |
| 1002 | /* |
| 1003 | * 1024 is too much on some machines, scale max_jobs if |
| 1004 | * we get a failure that looks like too large a shm segment |
| 1005 | */ |
| 1006 | do { |
| 1007 | int s = max_jobs * sizeof(struct thread_data); |
| 1008 | |
| 1009 | shm_id = shmget(0, s, IPC_CREAT | 0600); |
| 1010 | if (shm_id != -1) |
| 1011 | break; |
| 1012 | if (errno != EINVAL) { |
| 1013 | perror("shmget"); |
| 1014 | break; |
| 1015 | } |
| 1016 | |
| 1017 | max_jobs >>= 1; |
| 1018 | } while (max_jobs); |
| 1019 | |
| 1020 | if (shm_id == -1) |
| 1021 | return 1; |
| 1022 | |
| 1023 | threads = shmat(shm_id, NULL, 0); |
| 1024 | if (threads == (void *) -1) { |
| 1025 | perror("shmat"); |
| 1026 | return 1; |
| 1027 | } |
| 1028 | |
| 1029 | atexit(free_shm); |
| 1030 | return 0; |
| 1031 | } |
| 1032 | |
| 1033 | int parse_options(int argc, char *argv[]) |
| 1034 | { |
| 1035 | if (setup_thread_area()) |
| 1036 | return 1; |
| 1037 | if (fill_def_thread()) |
| 1038 | return 1; |
| 1039 | |
| 1040 | parse_cmd_line(argc, argv); |
| 1041 | |
| 1042 | if (!ini_file) { |
| 1043 | printf("Need job file\n"); |
Jens Axboe | 4785f99 | 2006-05-26 03:59:10 +0200 | [diff] [blame] | 1044 | usage(argv[0]); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1045 | return 1; |
| 1046 | } |
| 1047 | |
Jens Axboe | c9fad89 | 2006-05-27 17:26:50 +0200 | [diff] [blame] | 1048 | if (parse_jobs_ini(ini_file)) { |
| 1049 | usage(argv[0]); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1050 | return 1; |
Jens Axboe | c9fad89 | 2006-05-27 17:26:50 +0200 | [diff] [blame] | 1051 | } |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1052 | |
| 1053 | return 0; |
| 1054 | } |