Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef FIO_H |
| 2 | #define FIO_H |
| 3 | |
| 4 | #include <sched.h> |
| 5 | #include <limits.h> |
| 6 | #include <pthread.h> |
| 7 | #include <sys/time.h> |
| 8 | #include <sys/resource.h> |
| 9 | #include <semaphore.h> |
| 10 | |
| 11 | #include "list.h" |
| 12 | #include "md5.h" |
| 13 | #include "crc32.h" |
| 14 | #include "arch.h" |
| 15 | #include "os.h" |
| 16 | |
| 17 | struct io_stat { |
| 18 | unsigned long val; |
| 19 | unsigned long val_sq; |
| 20 | unsigned long max_val; |
| 21 | unsigned long min_val; |
| 22 | unsigned long samples; |
| 23 | }; |
| 24 | |
| 25 | struct io_sample { |
| 26 | unsigned long time; |
| 27 | unsigned long val; |
| 28 | unsigned int ddir; |
| 29 | }; |
| 30 | |
| 31 | struct io_log { |
| 32 | unsigned long nr_samples; |
| 33 | unsigned long max_samples; |
| 34 | struct io_sample *log; |
| 35 | }; |
| 36 | |
| 37 | struct io_piece { |
| 38 | struct list_head list; |
| 39 | unsigned long long offset; |
| 40 | unsigned int len; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 41 | int ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | /* |
| 45 | * The io unit |
| 46 | */ |
| 47 | struct io_u { |
| 48 | union { |
| 49 | #ifdef FIO_HAVE_LIBAIO |
| 50 | struct iocb iocb; |
| 51 | #endif |
| 52 | #ifdef FIO_HAVE_POSIXAIO |
| 53 | struct aiocb aiocb; |
| 54 | #endif |
| 55 | #ifdef FIO_HAVE_SGIO |
| 56 | struct sg_io_hdr hdr; |
| 57 | #endif |
| 58 | }; |
| 59 | struct timeval start_time; |
| 60 | struct timeval issue_time; |
| 61 | |
| 62 | char *buf; |
| 63 | unsigned int buflen; |
| 64 | unsigned long long offset; |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 65 | unsigned int index; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 66 | |
| 67 | unsigned int resid; |
| 68 | unsigned int error; |
| 69 | |
| 70 | unsigned char seen; |
| 71 | unsigned char ddir; |
| 72 | |
| 73 | struct list_head list; |
| 74 | }; |
| 75 | |
| 76 | #define FIO_HDR_MAGIC 0xf00baaef |
| 77 | |
| 78 | enum { |
| 79 | VERIFY_NONE = 0, |
| 80 | VERIFY_MD5, |
| 81 | VERIFY_CRC32, |
| 82 | }; |
| 83 | |
| 84 | struct verify_header { |
| 85 | unsigned int fio_magic; |
| 86 | unsigned int len; |
| 87 | unsigned int verify_type; |
| 88 | union { |
| 89 | char md5_digest[MD5_HASH_WORDS * 4]; |
| 90 | unsigned long crc32; |
| 91 | }; |
| 92 | }; |
| 93 | |
| 94 | struct group_run_stats { |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 95 | unsigned long long max_run[2], min_run[2]; |
| 96 | unsigned long long max_bw[2], min_bw[2]; |
| 97 | unsigned long long io_mb[2]; |
| 98 | unsigned long long agg[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | struct thread_data { |
| 102 | char file_name[256]; |
| 103 | char directory[256]; |
| 104 | char verror[80]; |
| 105 | pthread_t thread; |
| 106 | int thread_number; |
| 107 | int groupid; |
| 108 | int filetype; |
| 109 | int error; |
| 110 | int fd; |
| 111 | void *mmap; |
| 112 | pid_t pid; |
| 113 | char *orig_buffer; |
| 114 | size_t orig_buffer_size; |
| 115 | volatile int terminate; |
| 116 | volatile int runstate; |
| 117 | volatile int old_runstate; |
| 118 | unsigned int ddir; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 119 | unsigned int iomix; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 120 | unsigned int ioprio; |
| 121 | unsigned int sequential; |
| 122 | unsigned int bs; |
| 123 | unsigned int min_bs; |
| 124 | unsigned int max_bs; |
| 125 | unsigned int odirect; |
| 126 | unsigned int thinktime; |
| 127 | unsigned int fsync_blocks; |
| 128 | unsigned int start_delay; |
| 129 | unsigned int timeout; |
| 130 | unsigned int io_engine; |
| 131 | unsigned int create_file; |
| 132 | unsigned int overwrite; |
| 133 | unsigned int invalidate_cache; |
| 134 | unsigned int bw_avg_time; |
| 135 | unsigned int create_serialize; |
| 136 | unsigned int create_fsync; |
Jens Axboe | fc1a471 | 2006-05-30 13:04:05 +0200 | [diff] [blame] | 137 | unsigned int end_fsync; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 138 | unsigned int loops; |
| 139 | unsigned long long file_size; |
Jens Axboe | 838a3cd | 2006-01-20 12:38:29 +0100 | [diff] [blame] | 140 | unsigned long long real_file_size; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 141 | unsigned long long file_offset; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 142 | unsigned long long zone_size; |
| 143 | unsigned long long zone_skip; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 144 | unsigned int sync_io; |
| 145 | unsigned int mem_type; |
| 146 | unsigned int verify; |
| 147 | unsigned int stonewall; |
| 148 | unsigned int numjobs; |
| 149 | unsigned int use_thread; |
| 150 | unsigned int iodepth; |
| 151 | os_cpu_mask_t cpumask; |
Jens Axboe | eba09dd | 2006-05-22 20:20:54 +0200 | [diff] [blame] | 152 | unsigned int jobnum; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 153 | unsigned int iolog; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame^] | 154 | unsigned int rwmixcycle; |
| 155 | unsigned int rwmixread; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 156 | |
| 157 | char iolog_file[256]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 158 | |
| 159 | struct drand48_data bsrange_state; |
| 160 | struct drand48_data verify_state; |
| 161 | |
| 162 | int shm_id; |
| 163 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 164 | void *io_data; |
| 165 | char io_engine_name[16]; |
| 166 | int (*io_prep)(struct thread_data *, struct io_u *); |
| 167 | int (*io_queue)(struct thread_data *, struct io_u *); |
| 168 | int (*io_getevents)(struct thread_data *, int, int, struct timespec *); |
| 169 | struct io_u *(*io_event)(struct thread_data *, int); |
| 170 | int (*io_cancel)(struct thread_data *, struct io_u *); |
| 171 | void (*io_cleanup)(struct thread_data *); |
| 172 | int (*io_sync)(struct thread_data *); |
| 173 | |
| 174 | unsigned int cur_depth; |
| 175 | struct list_head io_u_freelist; |
| 176 | struct list_head io_u_busylist; |
| 177 | |
| 178 | unsigned int rate; |
| 179 | unsigned int ratemin; |
| 180 | unsigned int ratecycle; |
| 181 | unsigned long rate_usec_cycle; |
| 182 | long rate_pending_usleep; |
| 183 | unsigned long rate_bytes; |
| 184 | struct timeval lastrate; |
| 185 | |
| 186 | unsigned long runtime[2]; /* msec */ |
| 187 | unsigned long long io_size; |
| 188 | unsigned long long total_io_size; |
| 189 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 190 | unsigned long long io_blocks[2]; |
| 191 | unsigned long long io_bytes[2]; |
| 192 | unsigned long long zone_bytes; |
| 193 | unsigned long long this_io_bytes[2]; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 194 | unsigned long long last_pos; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 195 | sem_t mutex; |
| 196 | |
| 197 | struct drand48_data random_state; |
| 198 | unsigned long *file_map; |
| 199 | unsigned int num_maps; |
| 200 | |
| 201 | /* |
| 202 | * bandwidth and latency stats |
| 203 | */ |
| 204 | struct io_stat clat_stat[2]; /* completion latency */ |
| 205 | struct io_stat slat_stat[2]; /* submission latency */ |
| 206 | struct io_stat bw_stat[2]; /* bandwidth stats */ |
| 207 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 208 | unsigned long long stat_io_bytes[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 209 | struct timeval stat_sample_time[2]; |
| 210 | |
| 211 | struct io_log *slat_log; |
| 212 | struct io_log *clat_log; |
| 213 | struct io_log *bw_log; |
| 214 | |
| 215 | struct timeval start; /* start of this loop */ |
| 216 | struct timeval epoch; /* time job was started */ |
| 217 | |
| 218 | struct rusage ru_start; |
| 219 | struct rusage ru_end; |
| 220 | unsigned long usr_time; |
| 221 | unsigned long sys_time; |
| 222 | unsigned long ctx; |
| 223 | |
| 224 | unsigned int do_disk_util; |
| 225 | unsigned int override_sync; |
| 226 | |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame^] | 227 | struct drand48_data rwmix_state; |
| 228 | struct timeval rwmix_switch; |
| 229 | int rwmix_ddir; |
| 230 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 231 | struct list_head io_hist_list; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 232 | struct list_head io_log_list; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 233 | }; |
| 234 | |
| 235 | #define td_verror(td, err) \ |
| 236 | do { \ |
| 237 | int e = (err); \ |
| 238 | (td)->error = e; \ |
| 239 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, strerror(e)); \ |
| 240 | } while (0) |
| 241 | |
| 242 | extern int parse_jobs_ini(char *); |
| 243 | extern int parse_options(int, char **); |
| 244 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
| 245 | extern int init_random_state(struct thread_data *); |
Jens Axboe | b1ff340 | 2006-02-17 11:35:58 +0100 | [diff] [blame] | 246 | extern struct io_u *__get_io_u(struct thread_data *); |
| 247 | extern void put_io_u(struct thread_data *, struct io_u *); |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 248 | |
| 249 | extern int rate_quit; |
| 250 | extern int write_lat_log; |
| 251 | extern int write_bw_log; |
| 252 | extern int exitall_on_terminate; |
| 253 | extern int thread_number; |
| 254 | extern int shm_id; |
| 255 | extern int groupid; |
| 256 | |
| 257 | extern struct thread_data *threads; |
| 258 | |
| 259 | enum { |
| 260 | DDIR_READ = 0, |
| 261 | DDIR_WRITE, |
| 262 | }; |
| 263 | |
| 264 | /* |
| 265 | * What type of allocation to use for io buffers |
| 266 | */ |
| 267 | enum { |
| 268 | MEM_MALLOC, /* ordinary malloc */ |
| 269 | MEM_SHM, /* use shared memory segments */ |
| 270 | MEM_MMAP, /* use anonynomous mmap */ |
| 271 | }; |
| 272 | |
| 273 | /* |
| 274 | * The type of object we are working on |
| 275 | */ |
| 276 | enum { |
| 277 | FIO_TYPE_FILE = 1, |
| 278 | FIO_TYPE_BD, |
Jens Axboe | 0af7b54 | 2006-02-17 10:10:12 +0100 | [diff] [blame] | 279 | FIO_TYPE_CHAR, |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 280 | }; |
| 281 | |
| 282 | enum { |
| 283 | FIO_SYNCIO = 1 << 0, |
| 284 | FIO_MMAPIO = 1 << 1 | FIO_SYNCIO, |
| 285 | FIO_LIBAIO = 1 << 2, |
| 286 | FIO_POSIXAIO = 1 << 3, |
| 287 | FIO_SGIO = 1 << 4, |
Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 288 | FIO_SPLICEIO = 1 << 5 | FIO_SYNCIO, |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 289 | }; |
| 290 | |
| 291 | #define td_read(td) ((td)->ddir == DDIR_READ) |
| 292 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 293 | #define td_rw(td) ((td)->iomix != 0) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 294 | |
| 295 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
| 296 | #define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs)) |
| 297 | #define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP) |
| 298 | #define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1)) |
| 299 | |
| 300 | #define MAX_JOBS (1024) |
| 301 | |
| 302 | struct disk_util_stat { |
| 303 | unsigned ios[2]; |
| 304 | unsigned merges[2]; |
| 305 | unsigned long long sectors[2]; |
| 306 | unsigned ticks[2]; |
| 307 | unsigned io_ticks; |
| 308 | unsigned time_in_queue; |
| 309 | }; |
| 310 | |
| 311 | struct disk_util { |
| 312 | struct list_head list; |
| 313 | |
| 314 | char *name; |
| 315 | char path[256]; |
| 316 | dev_t dev; |
| 317 | |
| 318 | struct disk_util_stat dus; |
| 319 | struct disk_util_stat last_dus; |
| 320 | |
| 321 | unsigned long msec; |
| 322 | struct timeval time; |
| 323 | }; |
| 324 | |
| 325 | struct io_completion_data { |
| 326 | int nr; /* input */ |
| 327 | |
| 328 | int error; /* output */ |
| 329 | unsigned long bytes_done[2]; /* output */ |
| 330 | }; |
| 331 | |
| 332 | #define DISK_UTIL_MSEC (250) |
| 333 | |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 334 | #ifndef min |
| 335 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 336 | #endif |
| 337 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 338 | #endif |