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> |
Jens Axboe | 3c39a37 | 2006-06-06 20:56:12 +0200 | [diff] [blame] | 9 | #include <errno.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <stdio.h> |
Jens Axboe | 6d6f031 | 2006-06-07 21:39:13 +0200 | [diff] [blame] | 12 | #include <unistd.h> |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 13 | |
| 14 | #include "list.h" |
| 15 | #include "md5.h" |
| 16 | #include "crc32.h" |
| 17 | #include "arch.h" |
| 18 | #include "os.h" |
| 19 | |
| 20 | struct io_stat { |
| 21 | unsigned long val; |
| 22 | unsigned long val_sq; |
| 23 | unsigned long max_val; |
| 24 | unsigned long min_val; |
| 25 | unsigned long samples; |
| 26 | }; |
| 27 | |
| 28 | struct io_sample { |
| 29 | unsigned long time; |
| 30 | unsigned long val; |
| 31 | unsigned int ddir; |
| 32 | }; |
| 33 | |
| 34 | struct io_log { |
| 35 | unsigned long nr_samples; |
| 36 | unsigned long max_samples; |
| 37 | struct io_sample *log; |
| 38 | }; |
| 39 | |
| 40 | struct io_piece { |
| 41 | struct list_head list; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 42 | struct fio_file *file; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 43 | unsigned long long offset; |
| 44 | unsigned int len; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 45 | int ddir; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 46 | }; |
| 47 | |
| 48 | /* |
| 49 | * The io unit |
| 50 | */ |
| 51 | struct io_u { |
| 52 | union { |
| 53 | #ifdef FIO_HAVE_LIBAIO |
| 54 | struct iocb iocb; |
| 55 | #endif |
| 56 | #ifdef FIO_HAVE_POSIXAIO |
| 57 | struct aiocb aiocb; |
| 58 | #endif |
| 59 | #ifdef FIO_HAVE_SGIO |
| 60 | struct sg_io_hdr hdr; |
| 61 | #endif |
| 62 | }; |
| 63 | struct timeval start_time; |
| 64 | struct timeval issue_time; |
| 65 | |
| 66 | char *buf; |
| 67 | unsigned int buflen; |
| 68 | unsigned long long offset; |
| 69 | |
| 70 | unsigned int resid; |
| 71 | unsigned int error; |
| 72 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 73 | unsigned char ddir; |
| 74 | |
Jens Axboe | dfd7bc2 | 2006-10-24 12:17:57 +0200 | [diff] [blame] | 75 | /* |
| 76 | * io engine private data |
| 77 | */ |
| 78 | union { |
| 79 | unsigned int index; |
| 80 | unsigned int seen; |
| 81 | }; |
| 82 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 83 | struct fio_file *file; |
| 84 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 85 | struct list_head list; |
| 86 | }; |
| 87 | |
| 88 | #define FIO_HDR_MAGIC 0xf00baaef |
| 89 | |
| 90 | enum { |
| 91 | VERIFY_NONE = 0, |
| 92 | VERIFY_MD5, |
| 93 | VERIFY_CRC32, |
| 94 | }; |
| 95 | |
| 96 | struct verify_header { |
| 97 | unsigned int fio_magic; |
| 98 | unsigned int len; |
| 99 | unsigned int verify_type; |
| 100 | union { |
| 101 | char md5_digest[MD5_HASH_WORDS * 4]; |
| 102 | unsigned long crc32; |
| 103 | }; |
| 104 | }; |
| 105 | |
| 106 | struct group_run_stats { |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 107 | unsigned long long max_run[2], min_run[2]; |
| 108 | unsigned long long max_bw[2], min_bw[2]; |
Jens Axboe | e9b2a3f | 2006-06-06 15:38:33 +0200 | [diff] [blame] | 109 | unsigned long long io_kb[2]; |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 110 | unsigned long long agg[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 111 | }; |
| 112 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 113 | enum fio_ddir { |
| 114 | DDIR_READ = 0, |
| 115 | DDIR_WRITE, |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 116 | DDIR_SYNC, |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | /* |
| 120 | * What type of allocation to use for io buffers |
| 121 | */ |
| 122 | enum fio_memtype { |
| 123 | MEM_MALLOC = 0, /* ordinary malloc */ |
| 124 | MEM_SHM, /* use shared memory segments */ |
| 125 | MEM_MMAP, /* use anonynomous mmap */ |
| 126 | }; |
| 127 | |
| 128 | /* |
| 129 | * The type of object we are working on |
| 130 | */ |
| 131 | enum fio_filetype { |
| 132 | FIO_TYPE_FILE = 1, |
| 133 | FIO_TYPE_BD, |
| 134 | FIO_TYPE_CHAR, |
| 135 | }; |
| 136 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 137 | enum fio_ioengine_flags { |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 138 | FIO_SYNCIO = 1 << 0, |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 139 | FIO_CPUIO = 1 << 1, |
| 140 | FIO_MMAPIO = 1 << 2, |
Jens Axboe | b2a1519 | 2006-10-18 14:10:42 +0200 | [diff] [blame] | 141 | FIO_RAWIO = 1 << 3, |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 142 | }; |
| 143 | |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 144 | struct fio_file { |
| 145 | /* |
| 146 | * A file may not be a file descriptor, let the io engine decide |
| 147 | */ |
| 148 | union { |
| 149 | unsigned long file_data; |
| 150 | int fd; |
| 151 | }; |
| 152 | char *file_name; |
| 153 | void *mmap; |
| 154 | unsigned long long file_size; |
| 155 | unsigned long long real_file_size; |
| 156 | unsigned long long file_offset; |
| 157 | unsigned long long last_pos; |
| 158 | |
| 159 | unsigned long *file_map; |
| 160 | unsigned int num_maps; |
| 161 | }; |
| 162 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 163 | /* |
| 164 | * This describes a single thread/process executing a fio job. |
| 165 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 166 | struct thread_data { |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 167 | char *name; |
Jens Axboe | ef899b6 | 2006-06-06 09:31:00 +0200 | [diff] [blame] | 168 | char *directory; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 169 | char *filename; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 170 | char verror[80]; |
| 171 | pthread_t thread; |
| 172 | int thread_number; |
| 173 | int groupid; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 174 | enum fio_filetype filetype; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 175 | struct fio_file *files; |
| 176 | unsigned int nr_files; |
Jens Axboe | 13f8e2d | 2006-10-24 09:29:45 +0200 | [diff] [blame] | 177 | unsigned int nr_uniq_files; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 178 | unsigned int next_file; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 179 | int error; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 180 | pid_t pid; |
| 181 | char *orig_buffer; |
| 182 | size_t orig_buffer_size; |
| 183 | volatile int terminate; |
| 184 | volatile int runstate; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 185 | enum fio_ddir ddir; |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 186 | unsigned int iomix; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 187 | unsigned int ioprio; |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 188 | unsigned int last_was_sync; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 189 | |
Jens Axboe | 9158d2f | 2006-10-27 14:27:39 +0200 | [diff] [blame] | 190 | unsigned int sequential; |
| 191 | unsigned int odirect; |
| 192 | unsigned int invalidate_cache; |
| 193 | unsigned int create_serialize; |
| 194 | unsigned int create_fsync; |
| 195 | unsigned int end_fsync; |
| 196 | unsigned int sync_io; |
| 197 | unsigned int verify; |
| 198 | unsigned int use_thread; |
| 199 | unsigned int unlink; |
| 200 | unsigned int do_disk_util; |
| 201 | unsigned int override_sync; |
| 202 | unsigned int rand_repeatable; |
| 203 | unsigned int write_lat_log; |
| 204 | unsigned int write_bw_log; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 205 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 206 | unsigned int bs; |
| 207 | unsigned int min_bs; |
| 208 | unsigned int max_bs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 209 | unsigned int thinktime; |
| 210 | unsigned int fsync_blocks; |
| 211 | unsigned int start_delay; |
Jens Axboe | 906c8d7 | 2006-06-13 09:37:56 +0200 | [diff] [blame] | 212 | unsigned long timeout; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 213 | unsigned int overwrite; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 214 | unsigned int bw_avg_time; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 215 | unsigned int loops; |
Jens Axboe | 20dc95c | 2005-12-09 10:29:35 +0100 | [diff] [blame] | 216 | unsigned long long zone_size; |
| 217 | unsigned long long zone_skip; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 218 | enum fio_memtype mem_type; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 219 | unsigned int stonewall; |
| 220 | unsigned int numjobs; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 221 | unsigned int iodepth; |
| 222 | os_cpu_mask_t cpumask; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 223 | unsigned int iolog; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 224 | unsigned int read_iolog; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 225 | unsigned int rwmixcycle; |
| 226 | unsigned int rwmixread; |
Jens Axboe | e1f3650 | 2006-10-27 10:54:08 +0200 | [diff] [blame] | 227 | unsigned int rwmixwrite; |
Jens Axboe | b6f4d88 | 2006-06-02 10:32:51 +0200 | [diff] [blame] | 228 | unsigned int nice; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 229 | |
Jens Axboe | 076efc7 | 2006-10-27 11:24:25 +0200 | [diff] [blame] | 230 | char *read_iolog_file; |
| 231 | char *write_iolog_file; |
Jens Axboe | 843a741 | 2006-06-01 21:14:21 -0700 | [diff] [blame] | 232 | void *iolog_buf; |
| 233 | FILE *iolog_f; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 234 | |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 235 | char *sysfs_root; |
Jens Axboe | da86774 | 2006-06-06 10:39:10 -0700 | [diff] [blame] | 236 | char *ioscheduler; |
| 237 | |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 238 | os_random_state_t bsrange_state; |
| 239 | os_random_state_t verify_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 240 | |
| 241 | int shm_id; |
| 242 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 243 | /* |
| 244 | * IO engine hooks, contains everything needed to submit an io_u |
| 245 | * to any of the available IO engines. |
| 246 | */ |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 247 | struct ioengine_ops *io_ops; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 248 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 249 | /* |
| 250 | * Current IO depth and list of free and busy io_u's. |
| 251 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 252 | unsigned int cur_depth; |
| 253 | struct list_head io_u_freelist; |
| 254 | struct list_head io_u_busylist; |
| 255 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 256 | /* |
| 257 | * Rate state |
| 258 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 259 | unsigned int rate; |
| 260 | unsigned int ratemin; |
| 261 | unsigned int ratecycle; |
| 262 | unsigned long rate_usec_cycle; |
| 263 | long rate_pending_usleep; |
| 264 | unsigned long rate_bytes; |
| 265 | struct timeval lastrate; |
| 266 | |
| 267 | unsigned long runtime[2]; /* msec */ |
| 268 | unsigned long long io_size; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 269 | unsigned long long total_file_size; |
| 270 | unsigned long long start_offset; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 271 | unsigned long long total_io_size; |
| 272 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 273 | unsigned long long io_blocks[2]; |
| 274 | unsigned long long io_bytes[2]; |
| 275 | unsigned long long zone_bytes; |
| 276 | unsigned long long this_io_bytes[2]; |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 277 | volatile int mutex; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 278 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 279 | /* |
| 280 | * State for random io, a bitmap of blocks done vs not done |
| 281 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 282 | os_random_state_t random_state; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 283 | |
| 284 | /* |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 285 | * CPU "io" cycle burner |
| 286 | */ |
| 287 | unsigned int cpuload; |
| 288 | unsigned int cpucycle; |
| 289 | |
| 290 | /* |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 291 | * bandwidth and latency stats |
| 292 | */ |
| 293 | struct io_stat clat_stat[2]; /* completion latency */ |
| 294 | struct io_stat slat_stat[2]; /* submission latency */ |
| 295 | struct io_stat bw_stat[2]; /* bandwidth stats */ |
| 296 | |
Jens Axboe | 9104f87 | 2005-12-28 23:50:45 +0100 | [diff] [blame] | 297 | unsigned long long stat_io_bytes[2]; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 298 | struct timeval stat_sample_time[2]; |
| 299 | |
| 300 | struct io_log *slat_log; |
| 301 | struct io_log *clat_log; |
| 302 | struct io_log *bw_log; |
| 303 | |
| 304 | struct timeval start; /* start of this loop */ |
| 305 | struct timeval epoch; /* time job was started */ |
| 306 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 307 | /* |
| 308 | * fio system usage accounting |
| 309 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 310 | struct rusage ru_start; |
| 311 | struct rusage ru_end; |
| 312 | unsigned long usr_time; |
| 313 | unsigned long sys_time; |
| 314 | unsigned long ctx; |
| 315 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 316 | /* |
| 317 | * read/write mixed workload state |
| 318 | */ |
Jens Axboe | 6dfd46b | 2006-06-07 13:57:06 +0200 | [diff] [blame] | 319 | os_random_state_t rwmix_state; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 320 | struct timeval rwmix_switch; |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 321 | enum fio_ddir rwmix_ddir; |
Jens Axboe | a6ccc7b | 2006-06-02 10:14:15 +0200 | [diff] [blame] | 322 | |
Jens Axboe | 4e0ba8a | 2006-06-06 09:36:28 +0200 | [diff] [blame] | 323 | /* |
| 324 | * Pre-run and post-run shell |
| 325 | */ |
| 326 | char *exec_prerun; |
| 327 | char *exec_postrun; |
| 328 | |
Jens Axboe | e9c047a | 2006-06-07 21:13:04 +0200 | [diff] [blame] | 329 | /* |
| 330 | * IO historic logs |
| 331 | */ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 332 | struct list_head io_hist_list; |
Jens Axboe | aea47d4 | 2006-05-26 19:27:29 +0200 | [diff] [blame] | 333 | struct list_head io_log_list; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 334 | }; |
| 335 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 336 | #define __td_verror(td, err, msg) \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 337 | do { \ |
| 338 | int e = (err); \ |
| 339 | (td)->error = e; \ |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 340 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg)); \ |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 341 | } while (0) |
| 342 | |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 343 | |
| 344 | #define td_verror(td, err) __td_verror((td), (err), strerror((err))) |
| 345 | #define td_vmsg(td, err, msg) __td_verror((td), (err), (msg)) |
| 346 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 347 | extern int rate_quit; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 348 | extern int exitall_on_terminate; |
| 349 | extern int thread_number; |
| 350 | extern int shm_id; |
| 351 | extern int groupid; |
Jens Axboe | c6ae0a5 | 2006-06-12 11:04:44 +0200 | [diff] [blame] | 352 | extern int terse_output; |
Jens Axboe | eb8bbf4 | 2006-06-08 21:40:11 +0200 | [diff] [blame] | 353 | extern FILE *f_out; |
| 354 | extern FILE *f_err; |
Jens Axboe | c1d5725 | 2006-10-09 19:56:04 +0200 | [diff] [blame] | 355 | extern char *fio_inst_prefix; |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 356 | extern int temp_stall_ts; |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 357 | |
| 358 | extern struct thread_data *threads; |
| 359 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 360 | #define td_read(td) ((td)->ddir == DDIR_READ) |
| 361 | #define td_write(td) ((td)->ddir == DDIR_WRITE) |
Jens Axboe | 3d60d1e | 2006-05-25 06:31:06 +0200 | [diff] [blame] | 362 | #define td_rw(td) ((td)->iomix != 0) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 363 | |
| 364 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 365 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->min_bs)) |
| 366 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
| 367 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 368 | |
| 369 | #define MAX_JOBS (1024) |
| 370 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 371 | static inline int should_fsync(struct thread_data *td) |
| 372 | { |
| 373 | if (td->last_was_sync) |
| 374 | return 0; |
| 375 | if (td->odirect) |
| 376 | return 0; |
| 377 | if (td_write(td) || td_rw(td) || td->override_sync) |
| 378 | return 1; |
| 379 | |
| 380 | return 0; |
| 381 | } |
| 382 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 383 | struct disk_util_stat { |
| 384 | unsigned ios[2]; |
| 385 | unsigned merges[2]; |
| 386 | unsigned long long sectors[2]; |
| 387 | unsigned ticks[2]; |
| 388 | unsigned io_ticks; |
| 389 | unsigned time_in_queue; |
| 390 | }; |
| 391 | |
| 392 | struct disk_util { |
| 393 | struct list_head list; |
| 394 | |
| 395 | char *name; |
| 396 | char path[256]; |
| 397 | dev_t dev; |
| 398 | |
| 399 | struct disk_util_stat dus; |
| 400 | struct disk_util_stat last_dus; |
| 401 | |
| 402 | unsigned long msec; |
| 403 | struct timeval time; |
| 404 | }; |
| 405 | |
| 406 | struct io_completion_data { |
| 407 | int nr; /* input */ |
| 408 | |
| 409 | int error; /* output */ |
| 410 | unsigned long bytes_done[2]; /* output */ |
| 411 | }; |
| 412 | |
| 413 | #define DISK_UTIL_MSEC (250) |
| 414 | |
Jens Axboe | 6a0106a | 2006-05-05 10:34:43 +0200 | [diff] [blame] | 415 | #ifndef min |
| 416 | #define min(a, b) ((a) < (b) ? (a) : (b)) |
| 417 | #endif |
| 418 | |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 419 | /* |
| 420 | * Log exports |
| 421 | */ |
| 422 | extern int read_iolog_get(struct thread_data *, struct io_u *); |
| 423 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
| 424 | extern int init_iolog(struct thread_data *td); |
| 425 | extern void log_io_piece(struct thread_data *, struct io_u *); |
| 426 | extern void prune_io_piece_log(struct thread_data *); |
| 427 | extern void write_iolog_close(struct thread_data *); |
| 428 | |
| 429 | /* |
| 430 | * Logging |
| 431 | */ |
| 432 | extern void add_clat_sample(struct thread_data *, int, unsigned long); |
| 433 | extern void add_slat_sample(struct thread_data *, int, unsigned long); |
| 434 | extern void add_bw_sample(struct thread_data *, int); |
| 435 | extern void show_run_stats(void); |
| 436 | extern void init_disk_util(struct thread_data *); |
| 437 | extern void update_rusage_stat(struct thread_data *); |
| 438 | extern void update_io_ticks(void); |
| 439 | extern void disk_util_timer_arm(void); |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 440 | extern void setup_log(struct io_log **); |
| 441 | extern void finish_log(struct thread_data *, struct io_log *, const char *); |
| 442 | extern int setup_rate(struct thread_data *); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 443 | |
| 444 | /* |
| 445 | * Time functions |
| 446 | */ |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 447 | extern void time_init(void); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 448 | extern unsigned long utime_since(struct timeval *, struct timeval *); |
| 449 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
| 450 | extern unsigned long mtime_since_now(struct timeval *); |
| 451 | extern unsigned long time_since_now(struct timeval *); |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 452 | extern unsigned long mtime_since_genesis(void); |
Jens Axboe | b990b5c | 2006-09-14 09:48:22 +0200 | [diff] [blame] | 453 | extern void __usec_sleep(unsigned int); |
Jens Axboe | 6796209 | 2006-06-07 08:45:01 +0200 | [diff] [blame] | 454 | extern void usec_sleep(struct thread_data *, unsigned long); |
| 455 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
| 456 | |
Jens Axboe | 8914a9d | 2006-06-07 11:14:56 +0200 | [diff] [blame] | 457 | /* |
| 458 | * Init functions |
| 459 | */ |
| 460 | extern int parse_options(int, char **); |
| 461 | extern int init_random_state(struct thread_data *); |
| 462 | |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 463 | /* |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 464 | * File setup/shutdown |
| 465 | */ |
| 466 | extern void close_files(struct thread_data *); |
| 467 | extern int setup_files(struct thread_data *); |
Jens Axboe | e5b401d | 2006-10-18 16:03:40 +0200 | [diff] [blame] | 468 | extern int file_invalidate_cache(struct thread_data *, struct fio_file *); |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 469 | |
| 470 | /* |
Jens Axboe | 263e529 | 2006-10-18 15:37:01 +0200 | [diff] [blame] | 471 | * ETA/status stuff |
| 472 | */ |
| 473 | extern void print_thread_status(void); |
| 474 | extern void print_status_init(int); |
| 475 | |
| 476 | /* |
| 477 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it |
| 478 | * will never back again. It may cycle between running/verififying/fsyncing. |
| 479 | * Once the thread reaches TD_EXITED, it is just waiting for the core to |
| 480 | * reap it. |
| 481 | */ |
| 482 | enum { |
| 483 | TD_NOT_CREATED = 0, |
| 484 | TD_CREATED, |
| 485 | TD_INITIALIZED, |
| 486 | TD_RUNNING, |
| 487 | TD_VERIFYING, |
| 488 | TD_FSYNCING, |
| 489 | TD_EXITED, |
| 490 | TD_REAPED, |
| 491 | }; |
| 492 | |
| 493 | /* |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 494 | * Verify helpers |
| 495 | */ |
| 496 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); |
| 497 | extern int get_next_verify(struct thread_data *td, struct io_u *); |
Jens Axboe | a9619d4 | 2006-10-18 15:47:42 +0200 | [diff] [blame] | 498 | extern int do_io_u_verify(struct thread_data *, struct io_u **); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 499 | |
| 500 | /* |
Jens Axboe | 2f9ade3 | 2006-10-20 11:25:52 +0200 | [diff] [blame] | 501 | * Memory helpers |
| 502 | */ |
| 503 | extern int fio_pin_memory(void); |
| 504 | extern void fio_unpin_memory(void); |
| 505 | extern int allocate_io_mem(struct thread_data *); |
| 506 | extern void free_io_mem(struct thread_data *); |
| 507 | |
| 508 | /* |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 509 | * io unit handling |
| 510 | */ |
| 511 | #define queue_full(td) list_empty(&(td)->io_u_freelist) |
| 512 | extern struct io_u *__get_io_u(struct thread_data *); |
| 513 | extern struct io_u *get_io_u(struct thread_data *, struct fio_file *); |
| 514 | extern void put_io_u(struct thread_data *, struct io_u *); |
| 515 | extern void ios_completed(struct thread_data *, struct io_completion_data *); |
| 516 | extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *); |
| 517 | |
| 518 | /* |
| 519 | * io engine entry points |
| 520 | */ |
Jens Axboe | 8c16d84 | 2006-10-20 11:48:33 +0200 | [diff] [blame] | 521 | extern int td_io_init(struct thread_data *); |
Jens Axboe | 10ba535 | 2006-10-20 11:39:27 +0200 | [diff] [blame] | 522 | extern int td_io_prep(struct thread_data *, struct io_u *); |
| 523 | extern int td_io_queue(struct thread_data *, struct io_u *); |
| 524 | extern int td_io_sync(struct thread_data *, struct fio_file *); |
| 525 | extern int td_io_getevents(struct thread_data *, int, int, struct timespec *); |
| 526 | |
| 527 | /* |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 528 | * This is a pretty crappy semaphore implementation, but with the use that fio |
| 529 | * has (just signalling start/go conditions), it doesn't have to be better. |
| 530 | * Naturally this would not work for any type of contended semaphore or |
| 531 | * for real locking. |
| 532 | */ |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 533 | static inline void fio_sem_init(volatile int *sem, int val) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 534 | { |
| 535 | *sem = val; |
| 536 | } |
| 537 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 538 | static inline void fio_sem_down(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 539 | { |
| 540 | while (*sem == 0) |
| 541 | usleep(10000); |
| 542 | |
| 543 | (*sem)--; |
| 544 | } |
| 545 | |
Jens Axboe | 1056eaa | 2006-07-13 10:33:45 -0700 | [diff] [blame] | 546 | static inline void fio_sem_up(volatile int *sem) |
Jens Axboe | bbfd6b0 | 2006-06-07 19:42:54 +0200 | [diff] [blame] | 547 | { |
| 548 | (*sem)++; |
| 549 | } |
| 550 | |
Jens Axboe | 3b70d7e | 2006-06-08 21:48:46 +0200 | [diff] [blame] | 551 | /* |
| 552 | * If logging output to a file, stderr should go to both stderr and f_err |
| 553 | */ |
| 554 | #define log_err(args...) do { \ |
| 555 | fprintf(f_err, ##args); \ |
| 556 | if (f_err != stderr) \ |
| 557 | fprintf(stderr, ##args); \ |
| 558 | } while (0) |
| 559 | |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 560 | struct ioengine_ops { |
| 561 | char name[16]; |
| 562 | int version; |
| 563 | int flags; |
Jens Axboe | ea2877a | 2006-10-10 08:30:24 +0200 | [diff] [blame] | 564 | int (*setup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 565 | int (*init)(struct thread_data *); |
| 566 | int (*prep)(struct thread_data *, struct io_u *); |
| 567 | int (*queue)(struct thread_data *, struct io_u *); |
| 568 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
| 569 | struct io_u *(*event)(struct thread_data *, int); |
| 570 | int (*cancel)(struct thread_data *, struct io_u *); |
| 571 | void (*cleanup)(struct thread_data *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 572 | void *data; |
| 573 | void *dlhandle; |
| 574 | }; |
| 575 | |
Jens Axboe | 87dc1ab | 2006-10-24 14:41:26 +0200 | [diff] [blame] | 576 | #define FIO_IOOPS_VERSION 3 |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 577 | |
Jens Axboe | b469282 | 2006-10-27 13:43:22 +0200 | [diff] [blame] | 578 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
Jens Axboe | 2866c82 | 2006-10-09 15:57:48 +0200 | [diff] [blame] | 579 | extern void close_ioengine(struct thread_data *); |
| 580 | |
| 581 | /* |
| 582 | * Mark unused variables passed to ops functions as unused, to silence gcc |
| 583 | */ |
| 584 | #define fio_unused __attribute((__unused__)) |
| 585 | |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 586 | #define for_each_td(td, i) \ |
| 587 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 588 | #define for_each_file(td, f, i) \ |
Jens Axboe | 34572e2 | 2006-10-20 09:33:18 +0200 | [diff] [blame] | 589 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) |
Jens Axboe | 53cdc68 | 2006-10-18 11:50:58 +0200 | [diff] [blame] | 590 | |
Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 591 | #endif |