Commit | Line | Data |
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ebac4655 JA |
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> | |
3c39a379 JA |
9 | #include <errno.h> |
10 | #include <stdlib.h> | |
11 | #include <stdio.h> | |
6d6f031f | 12 | #include <unistd.h> |
34cfcdaf | 13 | #include <string.h> |
214e1eca | 14 | #include <getopt.h> |
cd14cc10 | 15 | #include <inttypes.h> |
7101d9c2 | 16 | #include <assert.h> |
ebac4655 | 17 | |
317b95d0 | 18 | #include "compiler/compiler.h" |
01743ee1 | 19 | #include "flist.h" |
e2887563 | 20 | #include "fifo.h" |
4b87898e | 21 | #include "rbtree.h" |
317b95d0 JA |
22 | #include "arch/arch.h" |
23 | #include "os/os.h" | |
07739b57 | 24 | #include "mutex.h" |
a3d741fa JA |
25 | #include "log.h" |
26 | #include "debug.h" | |
ebac4655 | 27 | |
609342ff DL |
28 | #ifdef FIO_HAVE_GUASI |
29 | #include <guasi.h> | |
30 | #endif | |
31 | ||
417f0068 JA |
32 | #ifdef FIO_HAVE_SOLARISAIO |
33 | #include <sys/asynch.h> | |
34 | #endif | |
35 | ||
1e97cce9 JA |
36 | enum fio_ddir { |
37 | DDIR_READ = 0, | |
38 | DDIR_WRITE, | |
39 | DDIR_SYNC, | |
f29b25a3 | 40 | DDIR_INVAL = -1, |
1e97cce9 JA |
41 | }; |
42 | ||
413dd459 | 43 | enum td_ddir { |
b1ec1da6 JA |
44 | TD_DDIR_READ = 1 << 0, |
45 | TD_DDIR_WRITE = 1 << 1, | |
46 | TD_DDIR_RAND = 1 << 2, | |
47 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
48 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 49 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 50 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
51 | }; |
52 | ||
4d4e80f2 JA |
53 | enum file_lock_mode { |
54 | FILE_LOCK_NONE, | |
55 | FILE_LOCK_EXCLUSIVE, | |
56 | FILE_LOCK_READWRITE, | |
57 | }; | |
58 | ||
1c9e06ee JA |
59 | /* |
60 | * Use for maintaining statistics | |
61 | */ | |
ebac4655 | 62 | struct io_stat { |
ebac4655 JA |
63 | unsigned long max_val; |
64 | unsigned long min_val; | |
65 | unsigned long samples; | |
68704084 JA |
66 | |
67 | double mean; | |
68 | double S; | |
ebac4655 JA |
69 | }; |
70 | ||
1c9e06ee JA |
71 | /* |
72 | * A single data sample | |
73 | */ | |
ebac4655 JA |
74 | struct io_sample { |
75 | unsigned long time; | |
76 | unsigned long val; | |
1e97cce9 | 77 | enum fio_ddir ddir; |
306ddc97 | 78 | unsigned int bs; |
ebac4655 JA |
79 | }; |
80 | ||
1c9e06ee JA |
81 | /* |
82 | * Dynamically growing data sample log | |
83 | */ | |
ebac4655 JA |
84 | struct io_log { |
85 | unsigned long nr_samples; | |
86 | unsigned long max_samples; | |
87 | struct io_sample *log; | |
88 | }; | |
89 | ||
1c9e06ee JA |
90 | /* |
91 | * When logging io actions, this matches a single sent io_u | |
92 | */ | |
ebac4655 | 93 | struct io_piece { |
4b87898e JA |
94 | union { |
95 | struct rb_node rb_node; | |
01743ee1 | 96 | struct flist_head list; |
4b87898e | 97 | }; |
f29b25a3 JA |
98 | union { |
99 | int fileno; | |
100 | struct fio_file *file; | |
101 | }; | |
ebac4655 | 102 | unsigned long long offset; |
a4f4fdd7 | 103 | unsigned long len; |
1e97cce9 | 104 | enum fio_ddir ddir; |
f29b25a3 JA |
105 | union { |
106 | unsigned long delay; | |
107 | unsigned int file_action; | |
108 | }; | |
ebac4655 JA |
109 | }; |
110 | ||
0c6e7517 JA |
111 | enum { |
112 | IO_U_F_FREE = 1 << 0, | |
113 | IO_U_F_FLIGHT = 1 << 1, | |
114 | }; | |
115 | ||
36690c9b JA |
116 | struct thread_data; |
117 | ||
ebac4655 JA |
118 | /* |
119 | * The io unit | |
120 | */ | |
121 | struct io_u { | |
122 | union { | |
123 | #ifdef FIO_HAVE_LIBAIO | |
124 | struct iocb iocb; | |
125 | #endif | |
126 | #ifdef FIO_HAVE_POSIXAIO | |
127 | struct aiocb aiocb; | |
128 | #endif | |
129 | #ifdef FIO_HAVE_SGIO | |
130 | struct sg_io_hdr hdr; | |
a4f4fdd7 | 131 | #endif |
609342ff DL |
132 | #ifdef FIO_HAVE_GUASI |
133 | guasi_req_t greq; | |
417f0068 JA |
134 | #endif |
135 | #ifdef FIO_HAVE_SOLARISAIO | |
136 | aio_result_t resultp; | |
ebac4655 JA |
137 | #endif |
138 | }; | |
139 | struct timeval start_time; | |
140 | struct timeval issue_time; | |
141 | ||
1c9e06ee JA |
142 | /* |
143 | * Allocated/set buffer and length | |
144 | */ | |
6b9cea23 | 145 | void *buf; |
a4f4fdd7 | 146 | unsigned long buflen; |
ebac4655 JA |
147 | unsigned long long offset; |
148 | ||
1c9e06ee JA |
149 | /* |
150 | * IO engine state, may be different from above when we get | |
151 | * partial transfers / residual data counts | |
152 | */ | |
cec6b55d | 153 | void *xfer_buf; |
a4f4fdd7 | 154 | unsigned long xfer_buflen; |
cec6b55d | 155 | |
ebac4655 JA |
156 | unsigned int resid; |
157 | unsigned int error; | |
158 | ||
1e97cce9 | 159 | enum fio_ddir ddir; |
ebac4655 | 160 | |
dfd7bc2c JA |
161 | /* |
162 | * io engine private data | |
163 | */ | |
164 | union { | |
165 | unsigned int index; | |
166 | unsigned int seen; | |
556e831d | 167 | void *engine_data; |
dfd7bc2c JA |
168 | }; |
169 | ||
0c6e7517 JA |
170 | unsigned int flags; |
171 | ||
53cdc686 JA |
172 | struct fio_file *file; |
173 | ||
01743ee1 | 174 | struct flist_head list; |
d7762cf8 JA |
175 | |
176 | /* | |
177 | * Callback for io completion | |
178 | */ | |
36690c9b | 179 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
180 | }; |
181 | ||
36167d82 JA |
182 | /* |
183 | * io_ops->queue() return values | |
184 | */ | |
185 | enum { | |
186 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
187 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 188 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
189 | }; |
190 | ||
ebac4655 JA |
191 | #define FIO_HDR_MAGIC 0xf00baaef |
192 | ||
193 | enum { | |
1c9e06ee JA |
194 | VERIFY_NONE = 0, /* no verification */ |
195 | VERIFY_MD5, /* md5 sum data blocks */ | |
d77a7af3 | 196 | VERIFY_CRC64, /* crc64 sum data blocks */ |
1c9e06ee | 197 | VERIFY_CRC32, /* crc32 sum data blocks */ |
bac39e0e | 198 | VERIFY_CRC32C, /* crc32c sum data blocks */ |
3845591f | 199 | VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */ |
969f7ed3 | 200 | VERIFY_CRC16, /* crc16 sum data blocks */ |
1e154bdb | 201 | VERIFY_CRC7, /* crc7 sum data blocks */ |
cd14cc10 JA |
202 | VERIFY_SHA256, /* sha256 sum data blocks */ |
203 | VERIFY_SHA512, /* sha512 sum data blocks */ | |
7437ee87 | 204 | VERIFY_META, /* block_num, timestamp etc. */ |
36690c9b | 205 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
206 | }; |
207 | ||
1c9e06ee | 208 | /* |
546dfd9f JA |
209 | * A header structure associated with each checksummed data block. It is |
210 | * followed by a checksum specific header that contains the verification | |
211 | * data. | |
1c9e06ee | 212 | */ |
ebac4655 JA |
213 | struct verify_header { |
214 | unsigned int fio_magic; | |
215 | unsigned int len; | |
216 | unsigned int verify_type; | |
546dfd9f JA |
217 | }; |
218 | ||
219 | struct vhdr_md5 { | |
220 | uint32_t md5_digest[16]; | |
221 | }; | |
222 | struct vhdr_sha512 { | |
223 | uint8_t sha512[128]; | |
224 | }; | |
225 | struct vhdr_sha256 { | |
226 | uint8_t sha256[128]; | |
227 | }; | |
228 | struct vhdr_crc64 { | |
229 | uint64_t crc64; | |
230 | }; | |
231 | struct vhdr_crc32 { | |
232 | uint32_t crc32; | |
233 | }; | |
234 | struct vhdr_crc16 { | |
235 | uint16_t crc16; | |
236 | }; | |
237 | struct vhdr_crc7 { | |
238 | uint8_t crc7; | |
ebac4655 | 239 | }; |
7437ee87 SL |
240 | struct vhdr_meta { |
241 | uint64_t offset; | |
242 | unsigned char thread; | |
243 | unsigned short numberio; | |
244 | unsigned long time_sec; | |
245 | unsigned long time_usec; | |
246 | }; | |
ebac4655 JA |
247 | |
248 | struct group_run_stats { | |
9104f874 JA |
249 | unsigned long long max_run[2], min_run[2]; |
250 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 251 | unsigned long long io_kb[2]; |
9104f874 | 252 | unsigned long long agg[2]; |
ebac4655 JA |
253 | }; |
254 | ||
e9c047a0 JA |
255 | /* |
256 | * What type of allocation to use for io buffers | |
257 | */ | |
258 | enum fio_memtype { | |
259 | MEM_MALLOC = 0, /* ordinary malloc */ | |
260 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 261 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 262 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 263 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
264 | }; |
265 | ||
266 | /* | |
267 | * The type of object we are working on | |
268 | */ | |
269 | enum fio_filetype { | |
1c9e06ee JA |
270 | FIO_TYPE_FILE = 1, /* plain file */ |
271 | FIO_TYPE_BD, /* block device */ | |
272 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 273 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
274 | }; |
275 | ||
2866c82d | 276 | enum fio_ioengine_flags { |
1c9e06ee | 277 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
278 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
279 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 280 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 281 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
b67740d3 | 282 | FIO_UNIDIR = 1 << 5, /* engine is uni-directional */ |
1f809d15 | 283 | FIO_NOIO = 1 << 6, /* thread does only pseudo IO */ |
ad830ed7 | 284 | FIO_SIGQUIT = 1 << 7, /* needs SIGQUIT to exit */ |
e9c047a0 JA |
285 | }; |
286 | ||
f11bd94d | 287 | enum fio_file_flags { |
0ad920e7 | 288 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 | 289 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
6ae1f57f JA |
290 | FIO_FILE_EXTEND = 1 << 2, /* needs extend */ |
291 | FIO_FILE_DONE = 1 << 3, /* io completed to this file */ | |
292 | FIO_SIZE_KNOWN = 1 << 4, /* size has been set */ | |
392a3742 | 293 | FIO_FILE_HASHED = 1 << 5, /* file is on hash */ |
f11bd94d JA |
294 | }; |
295 | ||
1c9e06ee JA |
296 | /* |
297 | * Each thread_data structure has a number of files associated with it, | |
298 | * this structure holds state information for a single file. | |
299 | */ | |
53cdc686 | 300 | struct fio_file { |
01743ee1 | 301 | struct flist_head hash_list; |
af52b345 JA |
302 | enum fio_filetype filetype; |
303 | ||
53cdc686 JA |
304 | /* |
305 | * A file may not be a file descriptor, let the io engine decide | |
306 | */ | |
307 | union { | |
308 | unsigned long file_data; | |
e26f8f7a | 309 | int fd; |
53cdc686 | 310 | }; |
7bb48f84 JA |
311 | |
312 | /* | |
313 | * filename and possible memory mapping | |
314 | */ | |
1315a68a | 315 | char *file_name; |
53cdc686 | 316 | void *mmap; |
5e6c2067 | 317 | unsigned int major, minor; |
7bb48f84 JA |
318 | |
319 | /* | |
320 | * size of the file, offset into file, and io size from that offset | |
321 | */ | |
53cdc686 JA |
322 | unsigned long long real_file_size; |
323 | unsigned long long file_offset; | |
7bb48f84 JA |
324 | unsigned long long io_size; |
325 | ||
53cdc686 JA |
326 | unsigned long long last_pos; |
327 | ||
29c1349f JA |
328 | /* |
329 | * if io is protected by a semaphore, this is set | |
330 | */ | |
4d4e80f2 JA |
331 | struct fio_mutex *lock; |
332 | void *lock_owner; | |
333 | unsigned int lock_batch; | |
334 | enum fio_ddir lock_ddir; | |
29c1349f | 335 | |
1c9e06ee JA |
336 | /* |
337 | * block map for random io | |
338 | */ | |
de605666 | 339 | unsigned int *file_map; |
53cdc686 | 340 | unsigned int num_maps; |
1c9e06ee | 341 | unsigned int last_free_lookup; |
9b031dc8 | 342 | |
0ad920e7 | 343 | int references; |
f11bd94d | 344 | enum fio_file_flags flags; |
c97bd0fa JA |
345 | |
346 | struct disk_util *du; | |
53cdc686 JA |
347 | }; |
348 | ||
b2560f3c JA |
349 | /* |
350 | * How many depth levels to log | |
351 | */ | |
352 | #define FIO_IO_U_MAP_NR 8 | |
a9a18a3f JA |
353 | #define FIO_IO_U_LAT_U_NR 10 |
354 | #define FIO_IO_U_LAT_M_NR 12 | |
b2560f3c | 355 | |
079ad09b | 356 | struct thread_stat { |
756867bd JA |
357 | char *name; |
358 | char *verror; | |
359 | int error; | |
360 | int groupid; | |
361 | pid_t pid; | |
362 | char *description; | |
6586ee89 | 363 | int members; |
756867bd | 364 | |
079ad09b JA |
365 | struct io_log *slat_log; |
366 | struct io_log *clat_log; | |
367 | struct io_log *bw_log; | |
368 | ||
369 | /* | |
370 | * bandwidth and latency stats | |
371 | */ | |
372 | struct io_stat clat_stat[2]; /* completion latency */ | |
373 | struct io_stat slat_stat[2]; /* submission latency */ | |
374 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
375 | ||
376 | unsigned long long stat_io_bytes[2]; | |
377 | struct timeval stat_sample_time[2]; | |
378 | ||
379 | /* | |
380 | * fio system usage accounting | |
381 | */ | |
382 | struct rusage ru_start; | |
383 | struct rusage ru_end; | |
384 | unsigned long usr_time; | |
385 | unsigned long sys_time; | |
386 | unsigned long ctx; | |
81887d5d | 387 | unsigned long minf, majf; |
079ad09b | 388 | |
b2560f3c JA |
389 | /* |
390 | * IO depth and latency stats | |
391 | */ | |
392 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
838bc709 JA |
393 | unsigned int io_u_submit[FIO_IO_U_MAP_NR]; |
394 | unsigned int io_u_complete[FIO_IO_U_MAP_NR]; | |
04a0feae JA |
395 | unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
396 | unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
b3605062 | 397 | unsigned long total_io_u[2]; |
30061b97 | 398 | unsigned long short_io_u[2]; |
838bc709 JA |
399 | unsigned long total_submit; |
400 | unsigned long total_complete; | |
756867bd JA |
401 | |
402 | unsigned long long io_bytes[2]; | |
403 | unsigned long runtime[2]; | |
404 | unsigned long total_run_time; | |
b2560f3c | 405 | }; |
71619dc2 | 406 | |
564ca972 JA |
407 | struct bssplit { |
408 | unsigned int bs; | |
409 | unsigned char perc; | |
410 | }; | |
411 | ||
2dc1bbeb | 412 | struct thread_options { |
b1ec1da6 | 413 | int pad; |
61697c37 | 414 | char *description; |
b4692828 | 415 | char *name; |
ef899b63 | 416 | char *directory; |
13f8e2d2 | 417 | char *filename; |
2dc1bbeb | 418 | char *opendir; |
09629a90 | 419 | char *ioengine; |
413dd459 | 420 | enum td_ddir td_ddir; |
211097b2 | 421 | unsigned int ddir_nr; |
2dc1bbeb JA |
422 | unsigned int iodepth; |
423 | unsigned int iodepth_low; | |
424 | unsigned int iodepth_batch; | |
4950421a | 425 | unsigned int iodepth_batch_complete; |
2dc1bbeb JA |
426 | |
427 | unsigned long long size; | |
aa31f1f1 | 428 | unsigned int fill_device; |
2dc1bbeb JA |
429 | unsigned long long file_size_low; |
430 | unsigned long long file_size_high; | |
431 | unsigned long long start_offset; | |
432 | ||
433 | unsigned int bs[2]; | |
2b7a01d0 | 434 | unsigned int ba[2]; |
2dc1bbeb JA |
435 | unsigned int min_bs[2]; |
436 | unsigned int max_bs[2]; | |
720e84ad JA |
437 | struct bssplit *bssplit[2]; |
438 | unsigned int bssplit_nr[2]; | |
2dc1bbeb JA |
439 | |
440 | unsigned int nr_files; | |
441 | unsigned int open_files; | |
4d4e80f2 | 442 | enum file_lock_mode file_lock_mode; |
29c1349f | 443 | unsigned int lockfile_batch; |
e9c047a0 | 444 | |
9158d2f7 JA |
445 | unsigned int odirect; |
446 | unsigned int invalidate_cache; | |
447 | unsigned int create_serialize; | |
448 | unsigned int create_fsync; | |
814452bd | 449 | unsigned int create_on_open; |
9158d2f7 | 450 | unsigned int end_fsync; |
afad68f7 | 451 | unsigned int pre_read; |
9158d2f7 JA |
452 | unsigned int sync_io; |
453 | unsigned int verify; | |
e84c73a8 | 454 | unsigned int do_verify; |
160b966d | 455 | unsigned int verifysort; |
a59e170d JA |
456 | unsigned int verify_interval; |
457 | unsigned int verify_offset; | |
90059d65 JA |
458 | unsigned int verify_pattern; |
459 | unsigned int verify_pattern_bytes; | |
a12a3b4d | 460 | unsigned int verify_fatal; |
9158d2f7 JA |
461 | unsigned int use_thread; |
462 | unsigned int unlink; | |
463 | unsigned int do_disk_util; | |
464 | unsigned int override_sync; | |
465 | unsigned int rand_repeatable; | |
466 | unsigned int write_lat_log; | |
467 | unsigned int write_bw_log; | |
bb8895e0 | 468 | unsigned int norandommap; |
2b386d25 | 469 | unsigned int softrandommap; |
690adba3 | 470 | unsigned int bs_unaligned; |
ebb1415f | 471 | unsigned int fsync_on_close; |
e9c047a0 | 472 | |
56bb17f2 | 473 | unsigned int hugepage_size; |
a00735e6 | 474 | unsigned int rw_min_bs; |
ebac4655 | 475 | unsigned int thinktime; |
48097d5c | 476 | unsigned int thinktime_spin; |
9c1f7434 | 477 | unsigned int thinktime_blocks; |
ebac4655 JA |
478 | unsigned int fsync_blocks; |
479 | unsigned int start_delay; | |
0db26797 | 480 | unsigned long long timeout; |
721938ae | 481 | unsigned long long ramp_time; |
ebac4655 | 482 | unsigned int overwrite; |
ebac4655 | 483 | unsigned int bw_avg_time; |
ebac4655 | 484 | unsigned int loops; |
20dc95c4 JA |
485 | unsigned long long zone_size; |
486 | unsigned long long zone_skip; | |
e9c047a0 | 487 | enum fio_memtype mem_type; |
2dc1bbeb | 488 | |
ebac4655 | 489 | unsigned int stonewall; |
b3d62a75 | 490 | unsigned int new_group; |
ebac4655 | 491 | unsigned int numjobs; |
ebac4655 | 492 | os_cpu_mask_t cpumask; |
375b2695 | 493 | unsigned int cpumask_set; |
aea47d44 | 494 | unsigned int iolog; |
a6ccc7be | 495 | unsigned int rwmixcycle; |
e47f799f | 496 | unsigned int rwmix[2]; |
b6f4d880 | 497 | unsigned int nice; |
0aabe160 | 498 | unsigned int file_service_type; |
b2560f3c | 499 | unsigned int group_reporting; |
d2f3ac35 | 500 | unsigned int fadvise_hint; |
e9459e5a | 501 | unsigned int zero_buffers; |
5973cafb | 502 | unsigned int refill_buffers; |
cf4464ca | 503 | unsigned int time_based; |
9520ebb9 JA |
504 | unsigned int disable_clat; |
505 | unsigned int disable_slat; | |
506 | unsigned int disable_bw; | |
993bf48b | 507 | unsigned int gtod_reduce; |
be4ecfdf JA |
508 | unsigned int gtod_cpu; |
509 | unsigned int gtod_offload; | |
aea47d44 | 510 | |
076efc7c JA |
511 | char *read_iolog_file; |
512 | char *write_iolog_file; | |
e3cedca7 JA |
513 | char *bw_log_file; |
514 | char *lat_log_file; | |
2dc1bbeb JA |
515 | |
516 | /* | |
517 | * Pre-run and post-run shell | |
518 | */ | |
519 | char *exec_prerun; | |
520 | char *exec_postrun; | |
521 | ||
522 | unsigned int rate; | |
523 | unsigned int ratemin; | |
524 | unsigned int ratecycle; | |
525 | unsigned int rate_iops; | |
526 | unsigned int rate_iops_min; | |
527 | ||
528 | char *ioscheduler; | |
529 | ||
530 | /* | |
531 | * CPU "io" cycle burner | |
532 | */ | |
533 | unsigned int cpuload; | |
534 | unsigned int cpucycle; | |
535 | }; | |
536 | ||
e4e33258 JA |
537 | #define FIO_VERROR_SIZE 128 |
538 | ||
2dc1bbeb JA |
539 | /* |
540 | * This describes a single thread/process executing a fio job. | |
541 | */ | |
542 | struct thread_data { | |
543 | struct thread_options o; | |
e4e33258 | 544 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
545 | pthread_t thread; |
546 | int thread_number; | |
547 | int groupid; | |
548 | struct thread_stat ts; | |
126d65c6 | 549 | struct fio_file **files; |
dd87b2c9 | 550 | unsigned int files_size; |
2dc1bbeb JA |
551 | unsigned int files_index; |
552 | unsigned int nr_open_files; | |
1020a139 | 553 | unsigned int nr_done_files; |
2dc1bbeb JA |
554 | unsigned int nr_normal_files; |
555 | union { | |
556 | unsigned int next_file; | |
557 | os_random_state_t next_file_state; | |
558 | }; | |
559 | int error; | |
20e354ef | 560 | int done; |
2dc1bbeb JA |
561 | pid_t pid; |
562 | char *orig_buffer; | |
563 | size_t orig_buffer_size; | |
564 | volatile int terminate; | |
565 | volatile int runstate; | |
566 | unsigned int ioprio; | |
ac684785 | 567 | unsigned int ioprio_set; |
2dc1bbeb JA |
568 | unsigned int last_was_sync; |
569 | ||
570 | char *mmapfile; | |
571 | int mmapfd; | |
572 | ||
843a7413 JA |
573 | void *iolog_buf; |
574 | FILE *iolog_f; | |
ebac4655 | 575 | |
da86774e | 576 | char *sysfs_root; |
da86774e | 577 | |
5bfc35d7 JA |
578 | unsigned long rand_seeds[6]; |
579 | ||
6dfd46b9 JA |
580 | os_random_state_t bsrange_state; |
581 | os_random_state_t verify_state; | |
ebac4655 JA |
582 | |
583 | int shm_id; | |
584 | ||
e9c047a0 JA |
585 | /* |
586 | * IO engine hooks, contains everything needed to submit an io_u | |
587 | * to any of the available IO engines. | |
588 | */ | |
2866c82d | 589 | struct ioengine_ops *io_ops; |
ebac4655 | 590 | |
e9c047a0 JA |
591 | /* |
592 | * Current IO depth and list of free and busy io_u's. | |
593 | */ | |
ebac4655 | 594 | unsigned int cur_depth; |
d8005759 | 595 | unsigned int io_u_queued; |
01743ee1 JA |
596 | struct flist_head io_u_freelist; |
597 | struct flist_head io_u_busylist; | |
598 | struct flist_head io_u_requeues; | |
ebac4655 | 599 | |
e9c047a0 JA |
600 | /* |
601 | * Rate state | |
602 | */ | |
ebac4655 JA |
603 | unsigned long rate_usec_cycle; |
604 | long rate_pending_usleep; | |
605 | unsigned long rate_bytes; | |
4e991c23 | 606 | unsigned long rate_blocks; |
ebac4655 JA |
607 | struct timeval lastrate; |
608 | ||
ebac4655 JA |
609 | unsigned long long total_io_size; |
610 | ||
755200a3 | 611 | unsigned long io_issues[2]; |
9104f874 JA |
612 | unsigned long long io_blocks[2]; |
613 | unsigned long long io_bytes[2]; | |
48f5abd3 | 614 | unsigned long long io_skip_bytes; |
9104f874 | 615 | unsigned long long this_io_bytes[2]; |
079ad09b | 616 | unsigned long long zone_bytes; |
cdd18ad8 | 617 | struct fio_mutex *mutex; |
ebac4655 | 618 | |
e9c047a0 JA |
619 | /* |
620 | * State for random io, a bitmap of blocks done vs not done | |
621 | */ | |
6dfd46b9 | 622 | os_random_state_t random_state; |
ebac4655 | 623 | |
ebac4655 JA |
624 | struct timeval start; /* start of this loop */ |
625 | struct timeval epoch; /* time job was started */ | |
38d77cae | 626 | struct timeval rw_end[2]; |
a61eddec | 627 | struct timeval last_issue; |
993bf48b JA |
628 | struct timeval tv_cache; |
629 | unsigned int tv_cache_nr; | |
630 | unsigned int tv_cache_mask; | |
38d77cae | 631 | unsigned int rw_end_set[2]; |
721938ae | 632 | unsigned int ramp_time_over; |
ebac4655 | 633 | |
e9c047a0 JA |
634 | /* |
635 | * read/write mixed workload state | |
636 | */ | |
6dfd46b9 | 637 | os_random_state_t rwmix_state; |
e4928662 | 638 | unsigned long rwmix_issues; |
e9c047a0 | 639 | enum fio_ddir rwmix_ddir; |
211097b2 | 640 | unsigned int ddir_nr; |
a6ccc7be | 641 | |
e9c047a0 | 642 | /* |
8de8f047 JA |
643 | * IO history logs for verification. We use a tree for sorting, |
644 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 645 | */ |
4b87898e | 646 | struct rb_root io_hist_tree; |
01743ee1 | 647 | struct flist_head io_hist_list; |
8de8f047 JA |
648 | |
649 | /* | |
650 | * For IO replaying | |
651 | */ | |
01743ee1 | 652 | struct flist_head io_log_list; |
433afcb4 | 653 | |
1907dbc6 JA |
654 | /* |
655 | * for fileservice, how often to switch to a new file | |
656 | */ | |
657 | unsigned int file_service_nr; | |
658 | unsigned int file_service_left; | |
659 | struct fio_file *file_service_file; | |
9c60ce64 JA |
660 | |
661 | /* | |
662 | * For generating file sizes | |
663 | */ | |
664 | os_random_state_t file_size_state; | |
ebac4655 JA |
665 | }; |
666 | ||
0aabe160 | 667 | /* |
a086c257 JA |
668 | * roundrobin available files, or choose one at random, or do each one |
669 | * serially. | |
0aabe160 JA |
670 | */ |
671 | enum { | |
672 | FIO_FSERVICE_RANDOM = 1, | |
673 | FIO_FSERVICE_RR = 2, | |
a086c257 | 674 | FIO_FSERVICE_SEQ = 3, |
0aabe160 JA |
675 | }; |
676 | ||
e592a06b AC |
677 | /* |
678 | * when should interactive ETA output be generated | |
679 | */ | |
680 | enum { | |
681 | FIO_ETA_AUTO, | |
682 | FIO_ETA_ALWAYS, | |
683 | FIO_ETA_NEVER, | |
684 | }; | |
685 | ||
e1161c32 | 686 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 687 | do { \ |
19abcd3d JA |
688 | if ((td)->error) \ |
689 | break; \ | |
ebac4655 JA |
690 | int e = (err); \ |
691 | (td)->error = e; \ | |
e1161c32 | 692 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
693 | } while (0) |
694 | ||
b990b5c0 | 695 | |
e1161c32 JA |
696 | #define td_verror(td, err, func) \ |
697 | __td_verror((td), (err), strerror((err)), (func)) | |
698 | #define td_vmsg(td, err, msg, func) \ | |
699 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 700 | |
ebac4655 JA |
701 | extern int exitall_on_terminate; |
702 | extern int thread_number; | |
9cedf167 | 703 | extern int nr_process, nr_thread; |
ebac4655 JA |
704 | extern int shm_id; |
705 | extern int groupid; | |
c6ae0a5b | 706 | extern int terse_output; |
53cdc686 | 707 | extern int temp_stall_ts; |
1e97cce9 | 708 | extern unsigned long long mlock_size; |
cfc99db7 | 709 | extern unsigned long page_mask, page_size; |
4241ea8f | 710 | extern int read_only; |
e592a06b | 711 | extern int eta_print; |
d3eeeabc | 712 | extern unsigned long done_secs; |
01f06b63 | 713 | extern char *job_section; |
be4ecfdf JA |
714 | extern int fio_gtod_offload; |
715 | extern int fio_gtod_cpu; | |
ebac4655 JA |
716 | |
717 | extern struct thread_data *threads; | |
718 | ||
2dc1bbeb JA |
719 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
720 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
721 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
722 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
303032ae | 723 | #define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map) |
ebac4655 | 724 | |
7101d9c2 JA |
725 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
726 | { | |
727 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); | |
728 | } | |
729 | ||
de605666 | 730 | #define BLOCKS_PER_MAP (8 * sizeof(int)) |
aec2de20 JA |
731 | #define TO_MAP_BLOCK(f, b) (b) |
732 | #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) | |
733 | #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
734 | |
735 | #define MAX_JOBS (1024) | |
736 | ||
87dc1ab1 JA |
737 | static inline int should_fsync(struct thread_data *td) |
738 | { | |
739 | if (td->last_was_sync) | |
740 | return 0; | |
2dc1bbeb | 741 | if (td->o.odirect) |
87dc1ab1 | 742 | return 0; |
2dc1bbeb | 743 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
744 | return 1; |
745 | ||
746 | return 0; | |
747 | } | |
748 | ||
1c9e06ee JA |
749 | /* |
750 | * Disk utils as read in /sys/block/<dev>/stat | |
751 | */ | |
ebac4655 JA |
752 | struct disk_util_stat { |
753 | unsigned ios[2]; | |
754 | unsigned merges[2]; | |
755 | unsigned long long sectors[2]; | |
756 | unsigned ticks[2]; | |
757 | unsigned io_ticks; | |
758 | unsigned time_in_queue; | |
759 | }; | |
760 | ||
1c9e06ee JA |
761 | /* |
762 | * Per-device disk util management | |
763 | */ | |
ebac4655 | 764 | struct disk_util { |
01743ee1 | 765 | struct flist_head list; |
67423013 ST |
766 | /* If this disk is a slave, hook it into the master's |
767 | * list using this head. | |
768 | */ | |
769 | struct flist_head slavelist; | |
ebac4655 JA |
770 | |
771 | char *name; | |
e11c410c | 772 | char *sysfs_root; |
ebac4655 | 773 | char path[256]; |
07e5b264 | 774 | int major, minor; |
ebac4655 JA |
775 | |
776 | struct disk_util_stat dus; | |
777 | struct disk_util_stat last_dus; | |
778 | ||
67423013 ST |
779 | /* For software raids, this entry maintains pointers to the |
780 | * entries for the slave devices. The disk_util entries for | |
781 | * the slaves devices should primarily be maintained through | |
782 | * the disk_list list, i.e. for memory allocation and | |
783 | * de-allocation, etc. Whereas this list should be used only | |
784 | * for aggregating a software RAID's disk util figures. | |
785 | */ | |
786 | struct flist_head slaves; | |
787 | ||
ebac4655 JA |
788 | unsigned long msec; |
789 | struct timeval time; | |
c97bd0fa JA |
790 | |
791 | struct fio_mutex *lock; | |
792 | unsigned long users; | |
ebac4655 JA |
793 | }; |
794 | ||
c97bd0fa JA |
795 | static inline void disk_util_inc(struct disk_util *du) |
796 | { | |
797 | if (du) { | |
798 | fio_mutex_down(du->lock); | |
799 | du->users++; | |
800 | fio_mutex_up(du->lock); | |
801 | } | |
802 | } | |
803 | ||
804 | static inline void disk_util_dec(struct disk_util *du) | |
805 | { | |
806 | if (du) { | |
807 | fio_mutex_down(du->lock); | |
808 | du->users--; | |
809 | fio_mutex_up(du->lock); | |
810 | } | |
811 | } | |
812 | ||
ebac4655 JA |
813 | #define DISK_UTIL_MSEC (250) |
814 | ||
6796209a JA |
815 | /* |
816 | * Log exports | |
817 | */ | |
f29b25a3 JA |
818 | enum file_log_act { |
819 | FIO_LOG_ADD_FILE, | |
820 | FIO_LOG_OPEN_FILE, | |
821 | FIO_LOG_CLOSE_FILE, | |
f718273e | 822 | FIO_LOG_UNLINK_FILE, |
f29b25a3 JA |
823 | }; |
824 | ||
72cb971b | 825 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
f29b25a3 JA |
826 | extern void log_io_u(struct thread_data *, struct io_u *); |
827 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
72cb971b | 828 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a | 829 | extern void log_io_piece(struct thread_data *, struct io_u *); |
691c8fb0 | 830 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
6796209a JA |
831 | extern void prune_io_piece_log(struct thread_data *); |
832 | extern void write_iolog_close(struct thread_data *); | |
833 | ||
834 | /* | |
835 | * Logging | |
836 | */ | |
306ddc97 JA |
837 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
838 | unsigned int); | |
839 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, | |
840 | unsigned int); | |
841 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, | |
842 | struct timeval *); | |
6796209a JA |
843 | extern void show_run_stats(void); |
844 | extern void init_disk_util(struct thread_data *); | |
845 | extern void update_rusage_stat(struct thread_data *); | |
846 | extern void update_io_ticks(void); | |
8914a9d8 JA |
847 | extern void setup_log(struct io_log **); |
848 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
e3cedca7 | 849 | extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); |
bb3884d8 | 850 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
851 | extern struct io_log *agg_io_log[2]; |
852 | extern int write_bw_log; | |
306ddc97 | 853 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); |
6796209a JA |
854 | |
855 | /* | |
856 | * Time functions | |
857 | */ | |
10927316 SL |
858 | extern unsigned long long utime_since(struct timeval *, struct timeval *); |
859 | extern unsigned long long utime_since_now(struct timeval *); | |
6796209a JA |
860 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
861 | extern unsigned long mtime_since_now(struct timeval *); | |
862 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 863 | extern unsigned long mtime_since_genesis(void); |
6dd6f2cd | 864 | extern void usec_spin(unsigned int); |
6796209a | 865 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 866 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 867 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 868 | extern void fio_gettime(struct timeval *, void *); |
be4ecfdf JA |
869 | extern void fio_gtod_init(void); |
870 | extern void fio_gtod_update(void); | |
a2f77c9f | 871 | extern void set_genesis_time(void); |
721938ae | 872 | extern int ramp_time_over(struct thread_data *); |
b29ee5b3 | 873 | extern int in_ramp_time(struct thread_data *); |
6796209a | 874 | |
8914a9d8 | 875 | /* |
214e1eca | 876 | * Init/option functions |
8914a9d8 | 877 | */ |
72cb971b | 878 | extern int __must_check parse_options(int, char **); |
3b8b7135 | 879 | extern int fio_options_parse(struct thread_data *, char **, int); |
214e1eca JA |
880 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
881 | extern void fio_fill_default_options(struct thread_data *); | |
882 | extern int fio_show_option_help(const char *); | |
883 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
884 | extern void options_mem_dupe(struct thread_data *); |
885 | extern void options_mem_free(struct thread_data *); | |
5bfc35d7 | 886 | extern void td_fill_rand_seeds(struct thread_data *); |
214e1eca JA |
887 | #define FIO_GETOPT_JOB 0x89988998 |
888 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 889 | |
53cdc686 JA |
890 | /* |
891 | * File setup/shutdown | |
892 | */ | |
893 | extern void close_files(struct thread_data *); | |
24ffd2c2 | 894 | extern void close_and_free_files(struct thread_data *); |
b2fdda43 | 895 | extern int __must_check setup_files(struct thread_data *); |
b2fdda43 | 896 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); |
b5af8293 | 897 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 898 | extern int __must_check generic_close_file(struct thread_data *, struct fio_file *); |
df9c26b1 | 899 | extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *); |
afad68f7 | 900 | extern int __must_check pre_read_files(struct thread_data *); |
f29b25a3 | 901 | extern int add_file(struct thread_data *, const char *); |
0ad920e7 | 902 | extern void get_file(struct fio_file *); |
6977bcd0 | 903 | extern int __must_check put_file(struct thread_data *, struct fio_file *); |
4d4e80f2 JA |
904 | extern void lock_file(struct thread_data *, struct fio_file *, enum fio_ddir); |
905 | extern void unlock_file(struct thread_data *, struct fio_file *); | |
906 | extern void unlock_file_all(struct thread_data *, struct fio_file *); | |
bbf6b540 | 907 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 908 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 909 | extern void dup_files(struct thread_data *, struct thread_data *); |
f29b25a3 JA |
910 | extern int get_fileno(struct thread_data *, const char *); |
911 | extern void free_release_files(struct thread_data *); | |
53cdc686 | 912 | |
263e529f JA |
913 | /* |
914 | * ETA/status stuff | |
915 | */ | |
916 | extern void print_thread_status(void); | |
917 | extern void print_status_init(int); | |
918 | ||
9f8f2064 JA |
919 | /* |
920 | * disk util stuff | |
921 | */ | |
922 | #ifdef FIO_HAVE_DISK_UTIL | |
923 | extern void show_disk_util(void); | |
9f8f2064 JA |
924 | extern void init_disk_util(struct thread_data *); |
925 | extern void update_io_ticks(void); | |
926 | #else | |
927 | #define show_disk_util() | |
9f8f2064 JA |
928 | #define init_disk_util(td) |
929 | #define update_io_ticks() | |
930 | #endif | |
931 | ||
263e529f JA |
932 | /* |
933 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
934 | * will never back again. It may cycle between running/verififying/fsyncing. | |
935 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
936 | * reap it. | |
937 | */ | |
938 | enum { | |
939 | TD_NOT_CREATED = 0, | |
940 | TD_CREATED, | |
941 | TD_INITIALIZED, | |
b29ee5b3 | 942 | TD_RAMP, |
263e529f | 943 | TD_RUNNING, |
b0f65863 | 944 | TD_PRE_READING, |
263e529f JA |
945 | TD_VERIFYING, |
946 | TD_FSYNCING, | |
947 | TD_EXITED, | |
948 | TD_REAPED, | |
949 | }; | |
950 | ||
b29ee5b3 JA |
951 | extern void td_set_runstate(struct thread_data *, int); |
952 | ||
e29d1b70 JA |
953 | /* |
954 | * Verify helpers | |
955 | */ | |
956 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 957 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 958 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 959 | |
2f9ade3c JA |
960 | /* |
961 | * Memory helpers | |
962 | */ | |
b2fdda43 | 963 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 964 | extern void fio_unpin_memory(void); |
b2fdda43 | 965 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
966 | extern void free_io_mem(struct thread_data *); |
967 | ||
10ba535a JA |
968 | /* |
969 | * io unit handling | |
970 | */ | |
01743ee1 | 971 | #define queue_full(td) flist_empty(&(td)->io_u_freelist) |
10ba535a | 972 | extern struct io_u *__get_io_u(struct thread_data *); |
3d7c391d | 973 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 974 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 975 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
976 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
977 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 978 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 979 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
d8005759 | 980 | extern void io_u_mark_depth(struct thread_data *, unsigned int); |
5973cafb | 981 | extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int); |
838bc709 JA |
982 | void io_u_mark_complete(struct thread_data *, unsigned int); |
983 | void io_u_mark_submit(struct thread_data *, unsigned int); | |
10ba535a | 984 | |
b29ee5b3 JA |
985 | /* |
986 | * Reset stats after ramp time completes | |
987 | */ | |
988 | extern void reset_all_stats(struct thread_data *); | |
989 | ||
10ba535a JA |
990 | /* |
991 | * io engine entry points | |
992 | */ | |
b2fdda43 JA |
993 | extern int __must_check td_io_init(struct thread_data *); |
994 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
995 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
996 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
e7d2e616 | 997 | extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
b2fdda43 | 998 | extern int __must_check td_io_commit(struct thread_data *); |
b5af8293 | 999 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 1000 | extern int td_io_close_file(struct thread_data *, struct fio_file *); |
df9c26b1 | 1001 | extern int __must_check td_io_get_file_size(struct thread_data *, struct fio_file *); |
10ba535a | 1002 | |
fb7b71a3 JA |
1003 | /* |
1004 | * blktrace support | |
1005 | */ | |
5e62c22a | 1006 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
1007 | extern int is_blktrace(const char *); |
1008 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 1009 | #endif |
fb7b71a3 | 1010 | |
2866c82d | 1011 | struct ioengine_ops { |
01743ee1 | 1012 | struct flist_head list; |
2866c82d JA |
1013 | char name[16]; |
1014 | int version; | |
1015 | int flags; | |
ea2877a4 | 1016 | int (*setup)(struct thread_data *); |
2866c82d JA |
1017 | int (*init)(struct thread_data *); |
1018 | int (*prep)(struct thread_data *, struct io_u *); | |
1019 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 1020 | int (*commit)(struct thread_data *); |
e7d2e616 | 1021 | int (*getevents)(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
2866c82d JA |
1022 | struct io_u *(*event)(struct thread_data *, int); |
1023 | int (*cancel)(struct thread_data *, struct io_u *); | |
1024 | void (*cleanup)(struct thread_data *); | |
b5af8293 | 1025 | int (*open_file)(struct thread_data *, struct fio_file *); |
6977bcd0 | 1026 | int (*close_file)(struct thread_data *, struct fio_file *); |
df9c26b1 | 1027 | int (*get_file_size)(struct thread_data *, struct fio_file *); |
2866c82d JA |
1028 | void *data; |
1029 | void *dlhandle; | |
1030 | }; | |
1031 | ||
df9c26b1 | 1032 | #define FIO_IOOPS_VERSION 10 |
2866c82d | 1033 | |
b4692828 | 1034 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 1035 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 1036 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
1037 | extern void close_ioengine(struct thread_data *); |
1038 | ||
1039 | /* | |
1040 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
1041 | */ | |
1042 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
1043 | #define fio_init __attribute__((constructor)) |
1044 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 1045 | |
34572e28 JA |
1046 | #define for_each_td(td, i) \ |
1047 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 1048 | #define for_each_file(td, f, i) \ |
691c8fb0 JA |
1049 | if ((td)->files_index) \ |
1050 | for ((i) = 0, (f) = (td)->files[0]; \ | |
1051 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ | |
1052 | (i)++) | |
53cdc686 | 1053 | |
0032bf9f JA |
1054 | #define fio_assert(td, cond) do { \ |
1055 | if (!(cond)) { \ | |
340fd243 | 1056 | int *__foo = NULL; \ |
0032bf9f JA |
1057 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
1058 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 1059 | (td)->error = EFAULT; \ |
340fd243 | 1060 | *__foo = 0; \ |
0032bf9f JA |
1061 | } \ |
1062 | } while (0) | |
1063 | ||
009bd847 JA |
1064 | static inline void fio_file_reset(struct fio_file *f) |
1065 | { | |
1066 | f->last_free_lookup = 0; | |
1067 | f->last_pos = f->file_offset; | |
eaf9b417 JA |
1068 | if (f->file_map) |
1069 | memset(f->file_map, 0, f->num_maps * sizeof(int)); | |
009bd847 JA |
1070 | } |
1071 | ||
9bf27b45 JA |
1072 | static inline void clear_error(struct thread_data *td) |
1073 | { | |
1074 | td->error = 0; | |
1075 | td->verror[0] = '\0'; | |
1076 | } | |
1077 | ||
79e48f72 | 1078 | #ifdef FIO_INC_DEBUG |
2ba1c290 JA |
1079 | static inline void dprint_io_u(struct io_u *io_u, const char *p) |
1080 | { | |
1081 | struct fio_file *f = io_u->file; | |
1082 | ||
1083 | dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, | |
5921e80c JA |
1084 | (unsigned long long) io_u->offset, |
1085 | io_u->buflen, io_u->ddir); | |
8172fe97 JA |
1086 | if (fio_debug & (1 << FD_IO)) { |
1087 | if (f) | |
1088 | log_info("/%s", f->file_name); | |
1089 | ||
1090 | log_info("\n"); | |
1091 | } | |
2ba1c290 | 1092 | } |
79e48f72 | 1093 | #else |
79e48f72 JA |
1094 | #define dprint_io_u(io_u, p) |
1095 | #endif | |
2ba1c290 | 1096 | |
12d9d841 JA |
1097 | static inline int fio_fill_issue_time(struct thread_data *td) |
1098 | { | |
1099 | if (td->o.read_iolog_file || | |
1100 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) | |
1101 | return 1; | |
1102 | ||
1103 | return 0; | |
1104 | } | |
1105 | ||
ebac4655 | 1106 | #endif |