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 | 147 | unsigned long long offset; |
d460eb31 | 148 | unsigned long long endpos; |
ebac4655 | 149 | |
1c9e06ee JA |
150 | /* |
151 | * IO engine state, may be different from above when we get | |
152 | * partial transfers / residual data counts | |
153 | */ | |
cec6b55d | 154 | void *xfer_buf; |
a4f4fdd7 | 155 | unsigned long xfer_buflen; |
cec6b55d | 156 | |
ebac4655 JA |
157 | unsigned int resid; |
158 | unsigned int error; | |
159 | ||
1e97cce9 | 160 | enum fio_ddir ddir; |
ebac4655 | 161 | |
dfd7bc2c JA |
162 | /* |
163 | * io engine private data | |
164 | */ | |
165 | union { | |
166 | unsigned int index; | |
167 | unsigned int seen; | |
556e831d | 168 | void *engine_data; |
dfd7bc2c JA |
169 | }; |
170 | ||
0c6e7517 JA |
171 | unsigned int flags; |
172 | ||
53cdc686 JA |
173 | struct fio_file *file; |
174 | ||
01743ee1 | 175 | struct flist_head list; |
d7762cf8 JA |
176 | |
177 | /* | |
178 | * Callback for io completion | |
179 | */ | |
36690c9b | 180 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
181 | }; |
182 | ||
36167d82 JA |
183 | /* |
184 | * io_ops->queue() return values | |
185 | */ | |
186 | enum { | |
187 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
188 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 189 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
190 | }; |
191 | ||
ebac4655 JA |
192 | #define FIO_HDR_MAGIC 0xf00baaef |
193 | ||
194 | enum { | |
1c9e06ee JA |
195 | VERIFY_NONE = 0, /* no verification */ |
196 | VERIFY_MD5, /* md5 sum data blocks */ | |
d77a7af3 | 197 | VERIFY_CRC64, /* crc64 sum data blocks */ |
1c9e06ee | 198 | VERIFY_CRC32, /* crc32 sum data blocks */ |
bac39e0e | 199 | VERIFY_CRC32C, /* crc32c sum data blocks */ |
3845591f | 200 | VERIFY_CRC32C_INTEL, /* crc32c sum data blocks with hw */ |
969f7ed3 | 201 | VERIFY_CRC16, /* crc16 sum data blocks */ |
1e154bdb | 202 | VERIFY_CRC7, /* crc7 sum data blocks */ |
cd14cc10 JA |
203 | VERIFY_SHA256, /* sha256 sum data blocks */ |
204 | VERIFY_SHA512, /* sha512 sum data blocks */ | |
7437ee87 | 205 | VERIFY_META, /* block_num, timestamp etc. */ |
36690c9b | 206 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
207 | }; |
208 | ||
1c9e06ee | 209 | /* |
546dfd9f JA |
210 | * A header structure associated with each checksummed data block. It is |
211 | * followed by a checksum specific header that contains the verification | |
212 | * data. | |
1c9e06ee | 213 | */ |
ebac4655 JA |
214 | struct verify_header { |
215 | unsigned int fio_magic; | |
216 | unsigned int len; | |
217 | unsigned int verify_type; | |
546dfd9f JA |
218 | }; |
219 | ||
220 | struct vhdr_md5 { | |
221 | uint32_t md5_digest[16]; | |
222 | }; | |
223 | struct vhdr_sha512 { | |
224 | uint8_t sha512[128]; | |
225 | }; | |
226 | struct vhdr_sha256 { | |
227 | uint8_t sha256[128]; | |
228 | }; | |
229 | struct vhdr_crc64 { | |
230 | uint64_t crc64; | |
231 | }; | |
232 | struct vhdr_crc32 { | |
233 | uint32_t crc32; | |
234 | }; | |
235 | struct vhdr_crc16 { | |
236 | uint16_t crc16; | |
237 | }; | |
238 | struct vhdr_crc7 { | |
239 | uint8_t crc7; | |
ebac4655 | 240 | }; |
7437ee87 SL |
241 | struct vhdr_meta { |
242 | uint64_t offset; | |
243 | unsigned char thread; | |
244 | unsigned short numberio; | |
245 | unsigned long time_sec; | |
246 | unsigned long time_usec; | |
247 | }; | |
ebac4655 JA |
248 | |
249 | struct group_run_stats { | |
9104f874 JA |
250 | unsigned long long max_run[2], min_run[2]; |
251 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 252 | unsigned long long io_kb[2]; |
9104f874 | 253 | unsigned long long agg[2]; |
ebac4655 JA |
254 | }; |
255 | ||
e9c047a0 JA |
256 | /* |
257 | * What type of allocation to use for io buffers | |
258 | */ | |
259 | enum fio_memtype { | |
260 | MEM_MALLOC = 0, /* ordinary malloc */ | |
261 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 262 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 263 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 264 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
265 | }; |
266 | ||
267 | /* | |
268 | * The type of object we are working on | |
269 | */ | |
270 | enum fio_filetype { | |
1c9e06ee JA |
271 | FIO_TYPE_FILE = 1, /* plain file */ |
272 | FIO_TYPE_BD, /* block device */ | |
273 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 274 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
275 | }; |
276 | ||
2866c82d | 277 | enum fio_ioengine_flags { |
1c9e06ee | 278 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
279 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
280 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 281 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 282 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
b67740d3 | 283 | FIO_UNIDIR = 1 << 5, /* engine is uni-directional */ |
1f809d15 | 284 | FIO_NOIO = 1 << 6, /* thread does only pseudo IO */ |
ad830ed7 | 285 | FIO_SIGQUIT = 1 << 7, /* needs SIGQUIT to exit */ |
e9c047a0 JA |
286 | }; |
287 | ||
f11bd94d | 288 | enum fio_file_flags { |
0ad920e7 | 289 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 | 290 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
6ae1f57f JA |
291 | FIO_FILE_EXTEND = 1 << 2, /* needs extend */ |
292 | FIO_FILE_DONE = 1 << 3, /* io completed to this file */ | |
293 | FIO_SIZE_KNOWN = 1 << 4, /* size has been set */ | |
392a3742 | 294 | FIO_FILE_HASHED = 1 << 5, /* file is on hash */ |
f11bd94d JA |
295 | }; |
296 | ||
1c9e06ee JA |
297 | /* |
298 | * Each thread_data structure has a number of files associated with it, | |
299 | * this structure holds state information for a single file. | |
300 | */ | |
53cdc686 | 301 | struct fio_file { |
01743ee1 | 302 | struct flist_head hash_list; |
af52b345 JA |
303 | enum fio_filetype filetype; |
304 | ||
53cdc686 JA |
305 | /* |
306 | * A file may not be a file descriptor, let the io engine decide | |
307 | */ | |
308 | union { | |
309 | unsigned long file_data; | |
e26f8f7a | 310 | int fd; |
53cdc686 | 311 | }; |
7bb48f84 JA |
312 | |
313 | /* | |
314 | * filename and possible memory mapping | |
315 | */ | |
1315a68a | 316 | char *file_name; |
53cdc686 | 317 | void *mmap; |
5e6c2067 | 318 | unsigned int major, minor; |
7bb48f84 JA |
319 | |
320 | /* | |
321 | * size of the file, offset into file, and io size from that offset | |
322 | */ | |
53cdc686 JA |
323 | unsigned long long real_file_size; |
324 | unsigned long long file_offset; | |
7bb48f84 JA |
325 | unsigned long long io_size; |
326 | ||
53cdc686 JA |
327 | unsigned long long last_pos; |
328 | ||
29c1349f JA |
329 | /* |
330 | * if io is protected by a semaphore, this is set | |
331 | */ | |
4d4e80f2 JA |
332 | struct fio_mutex *lock; |
333 | void *lock_owner; | |
334 | unsigned int lock_batch; | |
335 | enum fio_ddir lock_ddir; | |
29c1349f | 336 | |
1c9e06ee JA |
337 | /* |
338 | * block map for random io | |
339 | */ | |
de605666 | 340 | unsigned int *file_map; |
53cdc686 | 341 | unsigned int num_maps; |
1c9e06ee | 342 | unsigned int last_free_lookup; |
9b031dc8 | 343 | |
0ad920e7 | 344 | int references; |
f11bd94d | 345 | enum fio_file_flags flags; |
53cdc686 JA |
346 | }; |
347 | ||
b2560f3c JA |
348 | /* |
349 | * How many depth levels to log | |
350 | */ | |
351 | #define FIO_IO_U_MAP_NR 8 | |
a9a18a3f JA |
352 | #define FIO_IO_U_LAT_U_NR 10 |
353 | #define FIO_IO_U_LAT_M_NR 12 | |
b2560f3c | 354 | |
079ad09b | 355 | struct thread_stat { |
756867bd JA |
356 | char *name; |
357 | char *verror; | |
358 | int error; | |
359 | int groupid; | |
360 | pid_t pid; | |
361 | char *description; | |
6586ee89 | 362 | int members; |
756867bd | 363 | |
079ad09b JA |
364 | struct io_log *slat_log; |
365 | struct io_log *clat_log; | |
366 | struct io_log *bw_log; | |
367 | ||
368 | /* | |
369 | * bandwidth and latency stats | |
370 | */ | |
371 | struct io_stat clat_stat[2]; /* completion latency */ | |
372 | struct io_stat slat_stat[2]; /* submission latency */ | |
373 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
374 | ||
375 | unsigned long long stat_io_bytes[2]; | |
376 | struct timeval stat_sample_time[2]; | |
377 | ||
378 | /* | |
379 | * fio system usage accounting | |
380 | */ | |
381 | struct rusage ru_start; | |
382 | struct rusage ru_end; | |
383 | unsigned long usr_time; | |
384 | unsigned long sys_time; | |
385 | unsigned long ctx; | |
81887d5d | 386 | unsigned long minf, majf; |
079ad09b | 387 | |
b2560f3c JA |
388 | /* |
389 | * IO depth and latency stats | |
390 | */ | |
391 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
838bc709 JA |
392 | unsigned int io_u_submit[FIO_IO_U_MAP_NR]; |
393 | unsigned int io_u_complete[FIO_IO_U_MAP_NR]; | |
04a0feae JA |
394 | unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
395 | unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
b3605062 | 396 | unsigned long total_io_u[2]; |
30061b97 | 397 | unsigned long short_io_u[2]; |
838bc709 JA |
398 | unsigned long total_submit; |
399 | unsigned long total_complete; | |
756867bd JA |
400 | |
401 | unsigned long long io_bytes[2]; | |
402 | unsigned long runtime[2]; | |
403 | unsigned long total_run_time; | |
b2560f3c | 404 | }; |
71619dc2 | 405 | |
564ca972 JA |
406 | struct bssplit { |
407 | unsigned int bs; | |
408 | unsigned char perc; | |
409 | }; | |
410 | ||
2dc1bbeb | 411 | struct thread_options { |
b1ec1da6 | 412 | int pad; |
61697c37 | 413 | char *description; |
b4692828 | 414 | char *name; |
ef899b63 | 415 | char *directory; |
13f8e2d2 | 416 | char *filename; |
2dc1bbeb | 417 | char *opendir; |
09629a90 | 418 | char *ioengine; |
413dd459 | 419 | enum td_ddir td_ddir; |
211097b2 | 420 | unsigned int ddir_nr; |
2dc1bbeb JA |
421 | unsigned int iodepth; |
422 | unsigned int iodepth_low; | |
423 | unsigned int iodepth_batch; | |
4950421a | 424 | unsigned int iodepth_batch_complete; |
2dc1bbeb JA |
425 | |
426 | unsigned long long size; | |
aa31f1f1 | 427 | unsigned int fill_device; |
2dc1bbeb JA |
428 | unsigned long long file_size_low; |
429 | unsigned long long file_size_high; | |
430 | unsigned long long start_offset; | |
431 | ||
432 | unsigned int bs[2]; | |
2b7a01d0 | 433 | unsigned int ba[2]; |
2dc1bbeb JA |
434 | unsigned int min_bs[2]; |
435 | unsigned int max_bs[2]; | |
720e84ad JA |
436 | struct bssplit *bssplit[2]; |
437 | unsigned int bssplit_nr[2]; | |
2dc1bbeb JA |
438 | |
439 | unsigned int nr_files; | |
440 | unsigned int open_files; | |
4d4e80f2 | 441 | enum file_lock_mode file_lock_mode; |
29c1349f | 442 | unsigned int lockfile_batch; |
e9c047a0 | 443 | |
9158d2f7 JA |
444 | unsigned int odirect; |
445 | unsigned int invalidate_cache; | |
446 | unsigned int create_serialize; | |
447 | unsigned int create_fsync; | |
814452bd | 448 | unsigned int create_on_open; |
9158d2f7 | 449 | unsigned int end_fsync; |
afad68f7 | 450 | unsigned int pre_read; |
9158d2f7 JA |
451 | unsigned int sync_io; |
452 | unsigned int verify; | |
e84c73a8 | 453 | unsigned int do_verify; |
160b966d | 454 | unsigned int verifysort; |
a59e170d JA |
455 | unsigned int verify_interval; |
456 | unsigned int verify_offset; | |
90059d65 JA |
457 | unsigned int verify_pattern; |
458 | unsigned int verify_pattern_bytes; | |
a12a3b4d | 459 | unsigned int verify_fatal; |
9158d2f7 JA |
460 | unsigned int use_thread; |
461 | unsigned int unlink; | |
462 | unsigned int do_disk_util; | |
463 | unsigned int override_sync; | |
464 | unsigned int rand_repeatable; | |
465 | unsigned int write_lat_log; | |
466 | unsigned int write_bw_log; | |
bb8895e0 | 467 | unsigned int norandommap; |
2b386d25 | 468 | unsigned int softrandommap; |
690adba3 | 469 | unsigned int bs_unaligned; |
ebb1415f | 470 | unsigned int fsync_on_close; |
e9c047a0 | 471 | |
56bb17f2 | 472 | unsigned int hugepage_size; |
a00735e6 | 473 | unsigned int rw_min_bs; |
ebac4655 | 474 | unsigned int thinktime; |
48097d5c | 475 | unsigned int thinktime_spin; |
9c1f7434 | 476 | unsigned int thinktime_blocks; |
ebac4655 JA |
477 | unsigned int fsync_blocks; |
478 | unsigned int start_delay; | |
0db26797 | 479 | unsigned long long timeout; |
721938ae | 480 | unsigned long long ramp_time; |
ebac4655 | 481 | unsigned int overwrite; |
ebac4655 | 482 | unsigned int bw_avg_time; |
ebac4655 | 483 | unsigned int loops; |
20dc95c4 JA |
484 | unsigned long long zone_size; |
485 | unsigned long long zone_skip; | |
e9c047a0 | 486 | enum fio_memtype mem_type; |
2dc1bbeb | 487 | |
ebac4655 | 488 | unsigned int stonewall; |
b3d62a75 | 489 | unsigned int new_group; |
ebac4655 | 490 | unsigned int numjobs; |
ebac4655 | 491 | os_cpu_mask_t cpumask; |
375b2695 | 492 | unsigned int cpumask_set; |
aea47d44 | 493 | unsigned int iolog; |
a6ccc7be | 494 | unsigned int rwmixcycle; |
e47f799f | 495 | unsigned int rwmix[2]; |
b6f4d880 | 496 | unsigned int nice; |
0aabe160 | 497 | unsigned int file_service_type; |
b2560f3c | 498 | unsigned int group_reporting; |
d2f3ac35 | 499 | unsigned int fadvise_hint; |
e9459e5a | 500 | unsigned int zero_buffers; |
5973cafb | 501 | unsigned int refill_buffers; |
cf4464ca | 502 | unsigned int time_based; |
9520ebb9 JA |
503 | unsigned int disable_clat; |
504 | unsigned int disable_slat; | |
505 | unsigned int disable_bw; | |
993bf48b | 506 | unsigned int gtod_reduce; |
be4ecfdf JA |
507 | unsigned int gtod_cpu; |
508 | unsigned int gtod_offload; | |
aea47d44 | 509 | |
076efc7c JA |
510 | char *read_iolog_file; |
511 | char *write_iolog_file; | |
e3cedca7 JA |
512 | char *bw_log_file; |
513 | char *lat_log_file; | |
2dc1bbeb JA |
514 | |
515 | /* | |
516 | * Pre-run and post-run shell | |
517 | */ | |
518 | char *exec_prerun; | |
519 | char *exec_postrun; | |
520 | ||
521 | unsigned int rate; | |
522 | unsigned int ratemin; | |
523 | unsigned int ratecycle; | |
524 | unsigned int rate_iops; | |
525 | unsigned int rate_iops_min; | |
526 | ||
527 | char *ioscheduler; | |
528 | ||
529 | /* | |
530 | * CPU "io" cycle burner | |
531 | */ | |
532 | unsigned int cpuload; | |
533 | unsigned int cpucycle; | |
534 | }; | |
535 | ||
e4e33258 JA |
536 | #define FIO_VERROR_SIZE 128 |
537 | ||
2dc1bbeb JA |
538 | /* |
539 | * This describes a single thread/process executing a fio job. | |
540 | */ | |
541 | struct thread_data { | |
542 | struct thread_options o; | |
e4e33258 | 543 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
544 | pthread_t thread; |
545 | int thread_number; | |
546 | int groupid; | |
547 | struct thread_stat ts; | |
126d65c6 | 548 | struct fio_file **files; |
dd87b2c9 | 549 | unsigned int files_size; |
2dc1bbeb JA |
550 | unsigned int files_index; |
551 | unsigned int nr_open_files; | |
1020a139 | 552 | unsigned int nr_done_files; |
2dc1bbeb JA |
553 | unsigned int nr_normal_files; |
554 | union { | |
555 | unsigned int next_file; | |
556 | os_random_state_t next_file_state; | |
557 | }; | |
558 | int error; | |
20e354ef | 559 | int done; |
2dc1bbeb JA |
560 | pid_t pid; |
561 | char *orig_buffer; | |
562 | size_t orig_buffer_size; | |
563 | volatile int terminate; | |
564 | volatile int runstate; | |
565 | unsigned int ioprio; | |
ac684785 | 566 | unsigned int ioprio_set; |
2dc1bbeb JA |
567 | unsigned int last_was_sync; |
568 | ||
569 | char *mmapfile; | |
570 | int mmapfd; | |
571 | ||
843a7413 JA |
572 | void *iolog_buf; |
573 | FILE *iolog_f; | |
ebac4655 | 574 | |
da86774e | 575 | char *sysfs_root; |
da86774e | 576 | |
5bfc35d7 JA |
577 | unsigned long rand_seeds[6]; |
578 | ||
6dfd46b9 JA |
579 | os_random_state_t bsrange_state; |
580 | os_random_state_t verify_state; | |
ebac4655 JA |
581 | |
582 | int shm_id; | |
583 | ||
e9c047a0 JA |
584 | /* |
585 | * IO engine hooks, contains everything needed to submit an io_u | |
586 | * to any of the available IO engines. | |
587 | */ | |
2866c82d | 588 | struct ioengine_ops *io_ops; |
ebac4655 | 589 | |
e9c047a0 JA |
590 | /* |
591 | * Current IO depth and list of free and busy io_u's. | |
592 | */ | |
ebac4655 | 593 | unsigned int cur_depth; |
d8005759 | 594 | unsigned int io_u_queued; |
01743ee1 JA |
595 | struct flist_head io_u_freelist; |
596 | struct flist_head io_u_busylist; | |
597 | struct flist_head io_u_requeues; | |
ebac4655 | 598 | |
e9c047a0 JA |
599 | /* |
600 | * Rate state | |
601 | */ | |
ebac4655 JA |
602 | unsigned long rate_usec_cycle; |
603 | long rate_pending_usleep; | |
604 | unsigned long rate_bytes; | |
4e991c23 | 605 | unsigned long rate_blocks; |
ebac4655 JA |
606 | struct timeval lastrate; |
607 | ||
ebac4655 JA |
608 | unsigned long long total_io_size; |
609 | ||
755200a3 | 610 | unsigned long io_issues[2]; |
9104f874 JA |
611 | unsigned long long io_blocks[2]; |
612 | unsigned long long io_bytes[2]; | |
48f5abd3 | 613 | unsigned long long io_skip_bytes; |
9104f874 | 614 | unsigned long long this_io_bytes[2]; |
079ad09b | 615 | unsigned long long zone_bytes; |
cdd18ad8 | 616 | struct fio_mutex *mutex; |
ebac4655 | 617 | |
e9c047a0 JA |
618 | /* |
619 | * State for random io, a bitmap of blocks done vs not done | |
620 | */ | |
6dfd46b9 | 621 | os_random_state_t random_state; |
ebac4655 | 622 | |
ebac4655 JA |
623 | struct timeval start; /* start of this loop */ |
624 | struct timeval epoch; /* time job was started */ | |
38d77cae | 625 | struct timeval rw_end[2]; |
a61eddec | 626 | struct timeval last_issue; |
993bf48b JA |
627 | struct timeval tv_cache; |
628 | unsigned int tv_cache_nr; | |
629 | unsigned int tv_cache_mask; | |
38d77cae | 630 | unsigned int rw_end_set[2]; |
721938ae | 631 | unsigned int ramp_time_over; |
ebac4655 | 632 | |
e9c047a0 JA |
633 | /* |
634 | * read/write mixed workload state | |
635 | */ | |
6dfd46b9 | 636 | os_random_state_t rwmix_state; |
e4928662 | 637 | unsigned long rwmix_issues; |
e9c047a0 | 638 | enum fio_ddir rwmix_ddir; |
211097b2 | 639 | unsigned int ddir_nr; |
a6ccc7be | 640 | |
e9c047a0 | 641 | /* |
8de8f047 JA |
642 | * IO history logs for verification. We use a tree for sorting, |
643 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 644 | */ |
4b87898e | 645 | struct rb_root io_hist_tree; |
01743ee1 | 646 | struct flist_head io_hist_list; |
8de8f047 JA |
647 | |
648 | /* | |
649 | * For IO replaying | |
650 | */ | |
01743ee1 | 651 | struct flist_head io_log_list; |
433afcb4 | 652 | |
1907dbc6 JA |
653 | /* |
654 | * for fileservice, how often to switch to a new file | |
655 | */ | |
656 | unsigned int file_service_nr; | |
657 | unsigned int file_service_left; | |
658 | struct fio_file *file_service_file; | |
9c60ce64 JA |
659 | |
660 | /* | |
661 | * For generating file sizes | |
662 | */ | |
663 | os_random_state_t file_size_state; | |
ebac4655 JA |
664 | }; |
665 | ||
0aabe160 | 666 | /* |
a086c257 JA |
667 | * roundrobin available files, or choose one at random, or do each one |
668 | * serially. | |
0aabe160 JA |
669 | */ |
670 | enum { | |
671 | FIO_FSERVICE_RANDOM = 1, | |
672 | FIO_FSERVICE_RR = 2, | |
a086c257 | 673 | FIO_FSERVICE_SEQ = 3, |
0aabe160 JA |
674 | }; |
675 | ||
e592a06b AC |
676 | /* |
677 | * when should interactive ETA output be generated | |
678 | */ | |
679 | enum { | |
680 | FIO_ETA_AUTO, | |
681 | FIO_ETA_ALWAYS, | |
682 | FIO_ETA_NEVER, | |
683 | }; | |
684 | ||
e1161c32 | 685 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 686 | do { \ |
19abcd3d JA |
687 | if ((td)->error) \ |
688 | break; \ | |
ebac4655 JA |
689 | int e = (err); \ |
690 | (td)->error = e; \ | |
e1161c32 | 691 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
692 | } while (0) |
693 | ||
b990b5c0 | 694 | |
e1161c32 JA |
695 | #define td_verror(td, err, func) \ |
696 | __td_verror((td), (err), strerror((err)), (func)) | |
697 | #define td_vmsg(td, err, msg, func) \ | |
698 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 699 | |
ebac4655 JA |
700 | extern int exitall_on_terminate; |
701 | extern int thread_number; | |
9cedf167 | 702 | extern int nr_process, nr_thread; |
ebac4655 JA |
703 | extern int shm_id; |
704 | extern int groupid; | |
c6ae0a5b | 705 | extern int terse_output; |
53cdc686 | 706 | extern int temp_stall_ts; |
1e97cce9 | 707 | extern unsigned long long mlock_size; |
cfc99db7 | 708 | extern unsigned long page_mask, page_size; |
4241ea8f | 709 | extern int read_only; |
e592a06b | 710 | extern int eta_print; |
d3eeeabc | 711 | extern unsigned long done_secs; |
01f06b63 | 712 | extern char *job_section; |
be4ecfdf JA |
713 | extern int fio_gtod_offload; |
714 | extern int fio_gtod_cpu; | |
ebac4655 JA |
715 | |
716 | extern struct thread_data *threads; | |
717 | ||
2dc1bbeb JA |
718 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
719 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
720 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
721 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
303032ae | 722 | #define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map) |
ebac4655 | 723 | |
7101d9c2 JA |
724 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
725 | { | |
726 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); | |
727 | } | |
728 | ||
de605666 | 729 | #define BLOCKS_PER_MAP (8 * sizeof(int)) |
aec2de20 JA |
730 | #define TO_MAP_BLOCK(f, b) (b) |
731 | #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) | |
732 | #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
733 | |
734 | #define MAX_JOBS (1024) | |
735 | ||
87dc1ab1 JA |
736 | static inline int should_fsync(struct thread_data *td) |
737 | { | |
738 | if (td->last_was_sync) | |
739 | return 0; | |
2dc1bbeb | 740 | if (td->o.odirect) |
87dc1ab1 | 741 | return 0; |
2dc1bbeb | 742 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
743 | return 1; |
744 | ||
745 | return 0; | |
746 | } | |
747 | ||
1c9e06ee JA |
748 | /* |
749 | * Disk utils as read in /sys/block/<dev>/stat | |
750 | */ | |
ebac4655 JA |
751 | struct disk_util_stat { |
752 | unsigned ios[2]; | |
753 | unsigned merges[2]; | |
754 | unsigned long long sectors[2]; | |
755 | unsigned ticks[2]; | |
756 | unsigned io_ticks; | |
757 | unsigned time_in_queue; | |
758 | }; | |
759 | ||
1c9e06ee JA |
760 | /* |
761 | * Per-device disk util management | |
762 | */ | |
ebac4655 | 763 | struct disk_util { |
01743ee1 | 764 | struct flist_head list; |
67423013 ST |
765 | /* If this disk is a slave, hook it into the master's |
766 | * list using this head. | |
767 | */ | |
768 | struct flist_head slavelist; | |
ebac4655 JA |
769 | |
770 | char *name; | |
e11c410c | 771 | char *sysfs_root; |
ebac4655 | 772 | char path[256]; |
07e5b264 | 773 | int major, minor; |
ebac4655 JA |
774 | |
775 | struct disk_util_stat dus; | |
776 | struct disk_util_stat last_dus; | |
777 | ||
67423013 ST |
778 | /* For software raids, this entry maintains pointers to the |
779 | * entries for the slave devices. The disk_util entries for | |
780 | * the slaves devices should primarily be maintained through | |
781 | * the disk_list list, i.e. for memory allocation and | |
782 | * de-allocation, etc. Whereas this list should be used only | |
783 | * for aggregating a software RAID's disk util figures. | |
784 | */ | |
785 | struct flist_head slaves; | |
786 | ||
ebac4655 JA |
787 | unsigned long msec; |
788 | struct timeval time; | |
789 | }; | |
790 | ||
ebac4655 JA |
791 | #define DISK_UTIL_MSEC (250) |
792 | ||
6796209a JA |
793 | /* |
794 | * Log exports | |
795 | */ | |
f29b25a3 JA |
796 | enum file_log_act { |
797 | FIO_LOG_ADD_FILE, | |
798 | FIO_LOG_OPEN_FILE, | |
799 | FIO_LOG_CLOSE_FILE, | |
f718273e | 800 | FIO_LOG_UNLINK_FILE, |
f29b25a3 JA |
801 | }; |
802 | ||
72cb971b | 803 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
f29b25a3 JA |
804 | extern void log_io_u(struct thread_data *, struct io_u *); |
805 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
72cb971b | 806 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a | 807 | extern void log_io_piece(struct thread_data *, struct io_u *); |
691c8fb0 | 808 | extern void queue_io_piece(struct thread_data *, struct io_piece *); |
6796209a JA |
809 | extern void prune_io_piece_log(struct thread_data *); |
810 | extern void write_iolog_close(struct thread_data *); | |
811 | ||
812 | /* | |
813 | * Logging | |
814 | */ | |
306ddc97 JA |
815 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, |
816 | unsigned int); | |
817 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, | |
818 | unsigned int); | |
819 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, | |
820 | struct timeval *); | |
6796209a JA |
821 | extern void show_run_stats(void); |
822 | extern void init_disk_util(struct thread_data *); | |
823 | extern void update_rusage_stat(struct thread_data *); | |
824 | extern void update_io_ticks(void); | |
8914a9d8 JA |
825 | extern void setup_log(struct io_log **); |
826 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
e3cedca7 | 827 | extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); |
bb3884d8 | 828 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
829 | extern struct io_log *agg_io_log[2]; |
830 | extern int write_bw_log; | |
306ddc97 | 831 | extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); |
6796209a JA |
832 | |
833 | /* | |
834 | * Time functions | |
835 | */ | |
10927316 SL |
836 | extern unsigned long long utime_since(struct timeval *, struct timeval *); |
837 | extern unsigned long long utime_since_now(struct timeval *); | |
6796209a JA |
838 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
839 | extern unsigned long mtime_since_now(struct timeval *); | |
840 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 841 | extern unsigned long mtime_since_genesis(void); |
6dd6f2cd | 842 | extern void usec_spin(unsigned int); |
6796209a | 843 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 844 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 845 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 846 | extern void fio_gettime(struct timeval *, void *); |
be4ecfdf JA |
847 | extern void fio_gtod_init(void); |
848 | extern void fio_gtod_update(void); | |
a2f77c9f | 849 | extern void set_genesis_time(void); |
721938ae | 850 | extern int ramp_time_over(struct thread_data *); |
b29ee5b3 | 851 | extern int in_ramp_time(struct thread_data *); |
6796209a | 852 | |
8914a9d8 | 853 | /* |
214e1eca | 854 | * Init/option functions |
8914a9d8 | 855 | */ |
72cb971b | 856 | extern int __must_check parse_options(int, char **); |
3b8b7135 | 857 | extern int fio_options_parse(struct thread_data *, char **, int); |
214e1eca JA |
858 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
859 | extern void fio_fill_default_options(struct thread_data *); | |
860 | extern int fio_show_option_help(const char *); | |
861 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
862 | extern void options_mem_dupe(struct thread_data *); |
863 | extern void options_mem_free(struct thread_data *); | |
5bfc35d7 | 864 | extern void td_fill_rand_seeds(struct thread_data *); |
214e1eca JA |
865 | #define FIO_GETOPT_JOB 0x89988998 |
866 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 867 | |
53cdc686 JA |
868 | /* |
869 | * File setup/shutdown | |
870 | */ | |
871 | extern void close_files(struct thread_data *); | |
24ffd2c2 | 872 | extern void close_and_free_files(struct thread_data *); |
b2fdda43 | 873 | extern int __must_check setup_files(struct thread_data *); |
b2fdda43 | 874 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); |
b5af8293 | 875 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 876 | extern int __must_check generic_close_file(struct thread_data *, struct fio_file *); |
df9c26b1 | 877 | extern int __must_check generic_get_file_size(struct thread_data *, struct fio_file *); |
afad68f7 | 878 | extern int __must_check pre_read_files(struct thread_data *); |
f29b25a3 | 879 | extern int add_file(struct thread_data *, const char *); |
0ad920e7 | 880 | extern void get_file(struct fio_file *); |
6977bcd0 | 881 | extern int __must_check put_file(struct thread_data *, struct fio_file *); |
4d4e80f2 JA |
882 | extern void lock_file(struct thread_data *, struct fio_file *, enum fio_ddir); |
883 | extern void unlock_file(struct thread_data *, struct fio_file *); | |
884 | extern void unlock_file_all(struct thread_data *, struct fio_file *); | |
bbf6b540 | 885 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 886 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 887 | extern void dup_files(struct thread_data *, struct thread_data *); |
f29b25a3 JA |
888 | extern int get_fileno(struct thread_data *, const char *); |
889 | extern void free_release_files(struct thread_data *); | |
53cdc686 | 890 | |
263e529f JA |
891 | /* |
892 | * ETA/status stuff | |
893 | */ | |
894 | extern void print_thread_status(void); | |
895 | extern void print_status_init(int); | |
896 | ||
9f8f2064 JA |
897 | /* |
898 | * disk util stuff | |
899 | */ | |
900 | #ifdef FIO_HAVE_DISK_UTIL | |
901 | extern void show_disk_util(void); | |
9f8f2064 JA |
902 | extern void init_disk_util(struct thread_data *); |
903 | extern void update_io_ticks(void); | |
904 | #else | |
905 | #define show_disk_util() | |
9f8f2064 JA |
906 | #define init_disk_util(td) |
907 | #define update_io_ticks() | |
908 | #endif | |
909 | ||
263e529f JA |
910 | /* |
911 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
912 | * will never back again. It may cycle between running/verififying/fsyncing. | |
913 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
914 | * reap it. | |
915 | */ | |
916 | enum { | |
917 | TD_NOT_CREATED = 0, | |
918 | TD_CREATED, | |
919 | TD_INITIALIZED, | |
b29ee5b3 | 920 | TD_RAMP, |
263e529f JA |
921 | TD_RUNNING, |
922 | TD_VERIFYING, | |
923 | TD_FSYNCING, | |
924 | TD_EXITED, | |
925 | TD_REAPED, | |
926 | }; | |
927 | ||
b29ee5b3 JA |
928 | extern void td_set_runstate(struct thread_data *, int); |
929 | ||
e29d1b70 JA |
930 | /* |
931 | * Verify helpers | |
932 | */ | |
933 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 934 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 935 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 936 | |
2f9ade3c JA |
937 | /* |
938 | * Memory helpers | |
939 | */ | |
b2fdda43 | 940 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 941 | extern void fio_unpin_memory(void); |
b2fdda43 | 942 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
943 | extern void free_io_mem(struct thread_data *); |
944 | ||
10ba535a JA |
945 | /* |
946 | * io unit handling | |
947 | */ | |
01743ee1 | 948 | #define queue_full(td) flist_empty(&(td)->io_u_freelist) |
10ba535a | 949 | extern struct io_u *__get_io_u(struct thread_data *); |
3d7c391d | 950 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 951 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 952 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
953 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
954 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 955 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 956 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
d8005759 | 957 | extern void io_u_mark_depth(struct thread_data *, unsigned int); |
5973cafb | 958 | extern void io_u_fill_buffer(struct thread_data *td, struct io_u *, unsigned int); |
838bc709 JA |
959 | void io_u_mark_complete(struct thread_data *, unsigned int); |
960 | void io_u_mark_submit(struct thread_data *, unsigned int); | |
10ba535a | 961 | |
b29ee5b3 JA |
962 | /* |
963 | * Reset stats after ramp time completes | |
964 | */ | |
965 | extern void reset_all_stats(struct thread_data *); | |
966 | ||
10ba535a JA |
967 | /* |
968 | * io engine entry points | |
969 | */ | |
b2fdda43 JA |
970 | extern int __must_check td_io_init(struct thread_data *); |
971 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
972 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
973 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
e7d2e616 | 974 | extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
b2fdda43 | 975 | extern int __must_check td_io_commit(struct thread_data *); |
b5af8293 | 976 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 977 | extern int td_io_close_file(struct thread_data *, struct fio_file *); |
df9c26b1 | 978 | extern int __must_check td_io_get_file_size(struct thread_data *, struct fio_file *); |
10ba535a | 979 | |
fb7b71a3 JA |
980 | /* |
981 | * blktrace support | |
982 | */ | |
5e62c22a | 983 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
984 | extern int is_blktrace(const char *); |
985 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 986 | #endif |
fb7b71a3 | 987 | |
2866c82d | 988 | struct ioengine_ops { |
01743ee1 | 989 | struct flist_head list; |
2866c82d JA |
990 | char name[16]; |
991 | int version; | |
992 | int flags; | |
ea2877a4 | 993 | int (*setup)(struct thread_data *); |
2866c82d JA |
994 | int (*init)(struct thread_data *); |
995 | int (*prep)(struct thread_data *, struct io_u *); | |
996 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 997 | int (*commit)(struct thread_data *); |
e7d2e616 | 998 | int (*getevents)(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
2866c82d JA |
999 | struct io_u *(*event)(struct thread_data *, int); |
1000 | int (*cancel)(struct thread_data *, struct io_u *); | |
1001 | void (*cleanup)(struct thread_data *); | |
b5af8293 | 1002 | int (*open_file)(struct thread_data *, struct fio_file *); |
6977bcd0 | 1003 | int (*close_file)(struct thread_data *, struct fio_file *); |
df9c26b1 | 1004 | int (*get_file_size)(struct thread_data *, struct fio_file *); |
2866c82d JA |
1005 | void *data; |
1006 | void *dlhandle; | |
1007 | }; | |
1008 | ||
df9c26b1 | 1009 | #define FIO_IOOPS_VERSION 10 |
2866c82d | 1010 | |
b4692828 | 1011 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 1012 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 1013 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
1014 | extern void close_ioengine(struct thread_data *); |
1015 | ||
1016 | /* | |
1017 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
1018 | */ | |
1019 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
1020 | #define fio_init __attribute__((constructor)) |
1021 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 1022 | |
34572e28 JA |
1023 | #define for_each_td(td, i) \ |
1024 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 1025 | #define for_each_file(td, f, i) \ |
691c8fb0 JA |
1026 | if ((td)->files_index) \ |
1027 | for ((i) = 0, (f) = (td)->files[0]; \ | |
1028 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ | |
1029 | (i)++) | |
53cdc686 | 1030 | |
0032bf9f JA |
1031 | #define fio_assert(td, cond) do { \ |
1032 | if (!(cond)) { \ | |
340fd243 | 1033 | int *__foo = NULL; \ |
0032bf9f JA |
1034 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
1035 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 1036 | (td)->error = EFAULT; \ |
340fd243 | 1037 | *__foo = 0; \ |
0032bf9f JA |
1038 | } \ |
1039 | } while (0) | |
1040 | ||
009bd847 JA |
1041 | static inline void fio_file_reset(struct fio_file *f) |
1042 | { | |
1043 | f->last_free_lookup = 0; | |
1044 | f->last_pos = f->file_offset; | |
eaf9b417 JA |
1045 | if (f->file_map) |
1046 | memset(f->file_map, 0, f->num_maps * sizeof(int)); | |
009bd847 JA |
1047 | } |
1048 | ||
9bf27b45 JA |
1049 | static inline void clear_error(struct thread_data *td) |
1050 | { | |
1051 | td->error = 0; | |
1052 | td->verror[0] = '\0'; | |
1053 | } | |
1054 | ||
79e48f72 | 1055 | #ifdef FIO_INC_DEBUG |
2ba1c290 JA |
1056 | static inline void dprint_io_u(struct io_u *io_u, const char *p) |
1057 | { | |
1058 | struct fio_file *f = io_u->file; | |
1059 | ||
1060 | dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, | |
5921e80c JA |
1061 | (unsigned long long) io_u->offset, |
1062 | io_u->buflen, io_u->ddir); | |
8172fe97 JA |
1063 | if (fio_debug & (1 << FD_IO)) { |
1064 | if (f) | |
1065 | log_info("/%s", f->file_name); | |
1066 | ||
1067 | log_info("\n"); | |
1068 | } | |
2ba1c290 | 1069 | } |
79e48f72 | 1070 | #else |
79e48f72 JA |
1071 | #define dprint_io_u(io_u, p) |
1072 | #endif | |
2ba1c290 | 1073 | |
12d9d841 JA |
1074 | static inline int fio_fill_issue_time(struct thread_data *td) |
1075 | { | |
1076 | if (td->o.read_iolog_file || | |
1077 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) | |
1078 | return 1; | |
1079 | ||
1080 | return 0; | |
1081 | } | |
1082 | ||
ebac4655 | 1083 | #endif |