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" |
ebac4655 | 19 | #include "list.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" |
29c1349f | 25 | #include "sem.h" |
a3d741fa JA |
26 | #include "log.h" |
27 | #include "debug.h" | |
ebac4655 | 28 | |
609342ff DL |
29 | #ifdef FIO_HAVE_GUASI |
30 | #include <guasi.h> | |
31 | #endif | |
32 | ||
1e97cce9 JA |
33 | enum fio_ddir { |
34 | DDIR_READ = 0, | |
35 | DDIR_WRITE, | |
36 | DDIR_SYNC, | |
f29b25a3 | 37 | DDIR_INVAL = -1, |
1e97cce9 JA |
38 | }; |
39 | ||
413dd459 | 40 | enum td_ddir { |
b1ec1da6 JA |
41 | TD_DDIR_READ = 1 << 0, |
42 | TD_DDIR_WRITE = 1 << 1, | |
43 | TD_DDIR_RAND = 1 << 2, | |
44 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
45 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 46 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 47 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
48 | }; |
49 | ||
1c9e06ee JA |
50 | /* |
51 | * Use for maintaining statistics | |
52 | */ | |
ebac4655 | 53 | struct io_stat { |
ebac4655 JA |
54 | unsigned long max_val; |
55 | unsigned long min_val; | |
56 | unsigned long samples; | |
68704084 JA |
57 | |
58 | double mean; | |
59 | double S; | |
ebac4655 JA |
60 | }; |
61 | ||
1c9e06ee JA |
62 | /* |
63 | * A single data sample | |
64 | */ | |
ebac4655 JA |
65 | struct io_sample { |
66 | unsigned long time; | |
67 | unsigned long val; | |
1e97cce9 | 68 | enum fio_ddir ddir; |
ebac4655 JA |
69 | }; |
70 | ||
1c9e06ee JA |
71 | /* |
72 | * Dynamically growing data sample log | |
73 | */ | |
ebac4655 JA |
74 | struct io_log { |
75 | unsigned long nr_samples; | |
76 | unsigned long max_samples; | |
77 | struct io_sample *log; | |
78 | }; | |
79 | ||
1c9e06ee JA |
80 | /* |
81 | * When logging io actions, this matches a single sent io_u | |
82 | */ | |
ebac4655 | 83 | struct io_piece { |
4b87898e JA |
84 | union { |
85 | struct rb_node rb_node; | |
86 | struct list_head list; | |
87 | }; | |
f29b25a3 JA |
88 | union { |
89 | int fileno; | |
90 | struct fio_file *file; | |
91 | }; | |
ebac4655 | 92 | unsigned long long offset; |
a4f4fdd7 | 93 | unsigned long len; |
1e97cce9 | 94 | enum fio_ddir ddir; |
f29b25a3 JA |
95 | union { |
96 | unsigned long delay; | |
97 | unsigned int file_action; | |
98 | }; | |
ebac4655 JA |
99 | }; |
100 | ||
0c6e7517 JA |
101 | enum { |
102 | IO_U_F_FREE = 1 << 0, | |
103 | IO_U_F_FLIGHT = 1 << 1, | |
104 | }; | |
105 | ||
36690c9b JA |
106 | struct thread_data; |
107 | ||
ebac4655 JA |
108 | /* |
109 | * The io unit | |
110 | */ | |
111 | struct io_u { | |
112 | union { | |
113 | #ifdef FIO_HAVE_LIBAIO | |
114 | struct iocb iocb; | |
115 | #endif | |
116 | #ifdef FIO_HAVE_POSIXAIO | |
117 | struct aiocb aiocb; | |
118 | #endif | |
119 | #ifdef FIO_HAVE_SGIO | |
120 | struct sg_io_hdr hdr; | |
a4f4fdd7 | 121 | #endif |
609342ff DL |
122 | #ifdef FIO_HAVE_GUASI |
123 | guasi_req_t greq; | |
ebac4655 JA |
124 | #endif |
125 | }; | |
126 | struct timeval start_time; | |
127 | struct timeval issue_time; | |
128 | ||
1c9e06ee JA |
129 | /* |
130 | * Allocated/set buffer and length | |
131 | */ | |
6b9cea23 | 132 | void *buf; |
a4f4fdd7 | 133 | unsigned long buflen; |
ebac4655 | 134 | unsigned long long offset; |
d460eb31 | 135 | unsigned long long endpos; |
ebac4655 | 136 | |
1c9e06ee JA |
137 | /* |
138 | * IO engine state, may be different from above when we get | |
139 | * partial transfers / residual data counts | |
140 | */ | |
cec6b55d | 141 | void *xfer_buf; |
a4f4fdd7 | 142 | unsigned long xfer_buflen; |
cec6b55d | 143 | |
ebac4655 JA |
144 | unsigned int resid; |
145 | unsigned int error; | |
146 | ||
1e97cce9 | 147 | enum fio_ddir ddir; |
ebac4655 | 148 | |
dfd7bc2c JA |
149 | /* |
150 | * io engine private data | |
151 | */ | |
152 | union { | |
153 | unsigned int index; | |
154 | unsigned int seen; | |
155 | }; | |
156 | ||
0c6e7517 JA |
157 | unsigned int flags; |
158 | ||
53cdc686 JA |
159 | struct fio_file *file; |
160 | ||
ebac4655 | 161 | struct list_head list; |
d7762cf8 JA |
162 | |
163 | /* | |
164 | * Callback for io completion | |
165 | */ | |
36690c9b | 166 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
167 | }; |
168 | ||
36167d82 JA |
169 | /* |
170 | * io_ops->queue() return values | |
171 | */ | |
172 | enum { | |
173 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
174 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 175 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
176 | }; |
177 | ||
ebac4655 JA |
178 | #define FIO_HDR_MAGIC 0xf00baaef |
179 | ||
180 | enum { | |
1c9e06ee JA |
181 | VERIFY_NONE = 0, /* no verification */ |
182 | VERIFY_MD5, /* md5 sum data blocks */ | |
d77a7af3 | 183 | VERIFY_CRC64, /* crc64 sum data blocks */ |
1c9e06ee | 184 | VERIFY_CRC32, /* crc32 sum data blocks */ |
969f7ed3 | 185 | VERIFY_CRC16, /* crc16 sum data blocks */ |
1e154bdb | 186 | VERIFY_CRC7, /* crc7 sum data blocks */ |
cd14cc10 JA |
187 | VERIFY_SHA256, /* sha256 sum data blocks */ |
188 | VERIFY_SHA512, /* sha512 sum data blocks */ | |
7437ee87 | 189 | VERIFY_META, /* block_num, timestamp etc. */ |
36690c9b | 190 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
191 | }; |
192 | ||
1c9e06ee | 193 | /* |
546dfd9f JA |
194 | * A header structure associated with each checksummed data block. It is |
195 | * followed by a checksum specific header that contains the verification | |
196 | * data. | |
1c9e06ee | 197 | */ |
ebac4655 JA |
198 | struct verify_header { |
199 | unsigned int fio_magic; | |
200 | unsigned int len; | |
201 | unsigned int verify_type; | |
546dfd9f JA |
202 | }; |
203 | ||
204 | struct vhdr_md5 { | |
205 | uint32_t md5_digest[16]; | |
206 | }; | |
207 | struct vhdr_sha512 { | |
208 | uint8_t sha512[128]; | |
209 | }; | |
210 | struct vhdr_sha256 { | |
211 | uint8_t sha256[128]; | |
212 | }; | |
213 | struct vhdr_crc64 { | |
214 | uint64_t crc64; | |
215 | }; | |
216 | struct vhdr_crc32 { | |
217 | uint32_t crc32; | |
218 | }; | |
219 | struct vhdr_crc16 { | |
220 | uint16_t crc16; | |
221 | }; | |
222 | struct vhdr_crc7 { | |
223 | uint8_t crc7; | |
ebac4655 | 224 | }; |
7437ee87 SL |
225 | struct vhdr_meta { |
226 | uint64_t offset; | |
227 | unsigned char thread; | |
228 | unsigned short numberio; | |
229 | unsigned long time_sec; | |
230 | unsigned long time_usec; | |
231 | }; | |
ebac4655 JA |
232 | |
233 | struct group_run_stats { | |
9104f874 JA |
234 | unsigned long long max_run[2], min_run[2]; |
235 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 236 | unsigned long long io_kb[2]; |
9104f874 | 237 | unsigned long long agg[2]; |
ebac4655 JA |
238 | }; |
239 | ||
e9c047a0 JA |
240 | /* |
241 | * What type of allocation to use for io buffers | |
242 | */ | |
243 | enum fio_memtype { | |
244 | MEM_MALLOC = 0, /* ordinary malloc */ | |
245 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 246 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 247 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 248 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
249 | }; |
250 | ||
251 | /* | |
252 | * The type of object we are working on | |
253 | */ | |
254 | enum fio_filetype { | |
1c9e06ee JA |
255 | FIO_TYPE_FILE = 1, /* plain file */ |
256 | FIO_TYPE_BD, /* block device */ | |
257 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 258 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
259 | }; |
260 | ||
2866c82d | 261 | enum fio_ioengine_flags { |
1c9e06ee | 262 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
263 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
264 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 265 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 266 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
b67740d3 | 267 | FIO_UNIDIR = 1 << 5, /* engine is uni-directional */ |
1f809d15 | 268 | FIO_NOIO = 1 << 6, /* thread does only pseudo IO */ |
ad830ed7 | 269 | FIO_SIGQUIT = 1 << 7, /* needs SIGQUIT to exit */ |
e9c047a0 JA |
270 | }; |
271 | ||
f11bd94d | 272 | enum fio_file_flags { |
0ad920e7 | 273 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 | 274 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
6ae1f57f JA |
275 | FIO_FILE_EXTEND = 1 << 2, /* needs extend */ |
276 | FIO_FILE_DONE = 1 << 3, /* io completed to this file */ | |
277 | FIO_SIZE_KNOWN = 1 << 4, /* size has been set */ | |
392a3742 | 278 | FIO_FILE_HASHED = 1 << 5, /* file is on hash */ |
f11bd94d JA |
279 | }; |
280 | ||
1c9e06ee JA |
281 | /* |
282 | * Each thread_data structure has a number of files associated with it, | |
283 | * this structure holds state information for a single file. | |
284 | */ | |
53cdc686 | 285 | struct fio_file { |
392a3742 | 286 | struct list_head hash_list; |
af52b345 JA |
287 | enum fio_filetype filetype; |
288 | ||
53cdc686 JA |
289 | /* |
290 | * A file may not be a file descriptor, let the io engine decide | |
291 | */ | |
292 | union { | |
293 | unsigned long file_data; | |
e26f8f7a | 294 | int fd; |
53cdc686 | 295 | }; |
7bb48f84 JA |
296 | |
297 | /* | |
298 | * filename and possible memory mapping | |
299 | */ | |
1315a68a | 300 | char *file_name; |
53cdc686 | 301 | void *mmap; |
5e6c2067 | 302 | unsigned int major, minor; |
7bb48f84 JA |
303 | |
304 | /* | |
305 | * size of the file, offset into file, and io size from that offset | |
306 | */ | |
53cdc686 JA |
307 | unsigned long long real_file_size; |
308 | unsigned long long file_offset; | |
7bb48f84 JA |
309 | unsigned long long io_size; |
310 | ||
53cdc686 JA |
311 | unsigned long long last_pos; |
312 | ||
29c1349f JA |
313 | /* |
314 | * if io is protected by a semaphore, this is set | |
315 | */ | |
316 | struct fio_sem *sem; | |
317 | void *sem_owner; | |
318 | unsigned int sem_batch; | |
319 | ||
1c9e06ee JA |
320 | /* |
321 | * block map for random io | |
322 | */ | |
53cdc686 JA |
323 | unsigned long *file_map; |
324 | unsigned int num_maps; | |
1c9e06ee | 325 | unsigned int last_free_lookup; |
9b031dc8 | 326 | |
0ad920e7 | 327 | int references; |
f11bd94d | 328 | enum fio_file_flags flags; |
53cdc686 JA |
329 | }; |
330 | ||
b2560f3c JA |
331 | /* |
332 | * How many depth levels to log | |
333 | */ | |
334 | #define FIO_IO_U_MAP_NR 8 | |
a9a18a3f JA |
335 | #define FIO_IO_U_LAT_U_NR 10 |
336 | #define FIO_IO_U_LAT_M_NR 12 | |
b2560f3c | 337 | |
079ad09b | 338 | struct thread_stat { |
756867bd JA |
339 | char *name; |
340 | char *verror; | |
341 | int error; | |
342 | int groupid; | |
343 | pid_t pid; | |
344 | char *description; | |
6586ee89 | 345 | int members; |
756867bd | 346 | |
079ad09b JA |
347 | struct io_log *slat_log; |
348 | struct io_log *clat_log; | |
349 | struct io_log *bw_log; | |
350 | ||
351 | /* | |
352 | * bandwidth and latency stats | |
353 | */ | |
354 | struct io_stat clat_stat[2]; /* completion latency */ | |
355 | struct io_stat slat_stat[2]; /* submission latency */ | |
356 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
357 | ||
358 | unsigned long long stat_io_bytes[2]; | |
359 | struct timeval stat_sample_time[2]; | |
360 | ||
361 | /* | |
362 | * fio system usage accounting | |
363 | */ | |
364 | struct rusage ru_start; | |
365 | struct rusage ru_end; | |
366 | unsigned long usr_time; | |
367 | unsigned long sys_time; | |
368 | unsigned long ctx; | |
81887d5d | 369 | unsigned long minf, majf; |
079ad09b | 370 | |
b2560f3c JA |
371 | /* |
372 | * IO depth and latency stats | |
373 | */ | |
374 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
04a0feae JA |
375 | unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
376 | unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
b3605062 | 377 | unsigned long total_io_u[2]; |
30061b97 | 378 | unsigned long short_io_u[2]; |
756867bd JA |
379 | |
380 | unsigned long long io_bytes[2]; | |
381 | unsigned long runtime[2]; | |
382 | unsigned long total_run_time; | |
b2560f3c | 383 | }; |
71619dc2 | 384 | |
564ca972 JA |
385 | struct bssplit { |
386 | unsigned int bs; | |
387 | unsigned char perc; | |
388 | }; | |
389 | ||
2dc1bbeb | 390 | struct thread_options { |
b1ec1da6 | 391 | int pad; |
61697c37 | 392 | char *description; |
b4692828 | 393 | char *name; |
ef899b63 | 394 | char *directory; |
13f8e2d2 | 395 | char *filename; |
2dc1bbeb | 396 | char *opendir; |
09629a90 | 397 | char *ioengine; |
413dd459 | 398 | enum td_ddir td_ddir; |
211097b2 | 399 | unsigned int ddir_nr; |
2dc1bbeb JA |
400 | unsigned int iodepth; |
401 | unsigned int iodepth_low; | |
402 | unsigned int iodepth_batch; | |
403 | ||
404 | unsigned long long size; | |
aa31f1f1 | 405 | unsigned int fill_device; |
2dc1bbeb JA |
406 | unsigned long long file_size_low; |
407 | unsigned long long file_size_high; | |
408 | unsigned long long start_offset; | |
409 | ||
410 | unsigned int bs[2]; | |
411 | unsigned int min_bs[2]; | |
412 | unsigned int max_bs[2]; | |
564ca972 JA |
413 | struct bssplit *bssplit; |
414 | unsigned int bssplit_nr; | |
2dc1bbeb JA |
415 | |
416 | unsigned int nr_files; | |
417 | unsigned int open_files; | |
29c1349f JA |
418 | unsigned int lockfile; |
419 | unsigned int lockfile_batch; | |
e9c047a0 | 420 | |
9158d2f7 JA |
421 | unsigned int odirect; |
422 | unsigned int invalidate_cache; | |
423 | unsigned int create_serialize; | |
424 | unsigned int create_fsync; | |
425 | unsigned int end_fsync; | |
426 | unsigned int sync_io; | |
427 | unsigned int verify; | |
e84c73a8 | 428 | unsigned int do_verify; |
160b966d | 429 | unsigned int verifysort; |
a59e170d JA |
430 | unsigned int verify_interval; |
431 | unsigned int verify_offset; | |
90059d65 JA |
432 | unsigned int verify_pattern; |
433 | unsigned int verify_pattern_bytes; | |
a12a3b4d | 434 | unsigned int verify_fatal; |
9158d2f7 JA |
435 | unsigned int use_thread; |
436 | unsigned int unlink; | |
437 | unsigned int do_disk_util; | |
438 | unsigned int override_sync; | |
439 | unsigned int rand_repeatable; | |
440 | unsigned int write_lat_log; | |
441 | unsigned int write_bw_log; | |
bb8895e0 | 442 | unsigned int norandommap; |
690adba3 | 443 | unsigned int bs_unaligned; |
ebb1415f | 444 | unsigned int fsync_on_close; |
e9c047a0 | 445 | |
56bb17f2 | 446 | unsigned int hugepage_size; |
a00735e6 | 447 | unsigned int rw_min_bs; |
ebac4655 | 448 | unsigned int thinktime; |
48097d5c | 449 | unsigned int thinktime_spin; |
9c1f7434 | 450 | unsigned int thinktime_blocks; |
ebac4655 JA |
451 | unsigned int fsync_blocks; |
452 | unsigned int start_delay; | |
0db26797 | 453 | unsigned long long timeout; |
ebac4655 | 454 | unsigned int overwrite; |
ebac4655 | 455 | unsigned int bw_avg_time; |
ebac4655 | 456 | unsigned int loops; |
20dc95c4 JA |
457 | unsigned long long zone_size; |
458 | unsigned long long zone_skip; | |
e9c047a0 | 459 | enum fio_memtype mem_type; |
2dc1bbeb | 460 | |
ebac4655 | 461 | unsigned int stonewall; |
b3d62a75 | 462 | unsigned int new_group; |
ebac4655 | 463 | unsigned int numjobs; |
ebac4655 | 464 | os_cpu_mask_t cpumask; |
375b2695 | 465 | unsigned int cpumask_set; |
aea47d44 | 466 | unsigned int iolog; |
a6ccc7be | 467 | unsigned int rwmixcycle; |
e47f799f | 468 | unsigned int rwmix[2]; |
b6f4d880 | 469 | unsigned int nice; |
0aabe160 | 470 | unsigned int file_service_type; |
b2560f3c | 471 | unsigned int group_reporting; |
d2f3ac35 | 472 | unsigned int fadvise_hint; |
e9459e5a | 473 | unsigned int zero_buffers; |
cf4464ca | 474 | unsigned int time_based; |
aea47d44 | 475 | |
076efc7c JA |
476 | char *read_iolog_file; |
477 | char *write_iolog_file; | |
2dc1bbeb JA |
478 | |
479 | /* | |
480 | * Pre-run and post-run shell | |
481 | */ | |
482 | char *exec_prerun; | |
483 | char *exec_postrun; | |
484 | ||
485 | unsigned int rate; | |
486 | unsigned int ratemin; | |
487 | unsigned int ratecycle; | |
488 | unsigned int rate_iops; | |
489 | unsigned int rate_iops_min; | |
490 | ||
491 | char *ioscheduler; | |
492 | ||
493 | /* | |
494 | * CPU "io" cycle burner | |
495 | */ | |
496 | unsigned int cpuload; | |
497 | unsigned int cpucycle; | |
498 | }; | |
499 | ||
e4e33258 JA |
500 | #define FIO_VERROR_SIZE 128 |
501 | ||
2dc1bbeb JA |
502 | /* |
503 | * This describes a single thread/process executing a fio job. | |
504 | */ | |
505 | struct thread_data { | |
506 | struct thread_options o; | |
e4e33258 | 507 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
508 | pthread_t thread; |
509 | int thread_number; | |
510 | int groupid; | |
511 | struct thread_stat ts; | |
126d65c6 | 512 | struct fio_file **files; |
2dc1bbeb JA |
513 | unsigned int files_index; |
514 | unsigned int nr_open_files; | |
1020a139 | 515 | unsigned int nr_done_files; |
2dc1bbeb JA |
516 | unsigned int nr_normal_files; |
517 | union { | |
518 | unsigned int next_file; | |
519 | os_random_state_t next_file_state; | |
520 | }; | |
521 | int error; | |
20e354ef | 522 | int done; |
2dc1bbeb JA |
523 | pid_t pid; |
524 | char *orig_buffer; | |
525 | size_t orig_buffer_size; | |
526 | volatile int terminate; | |
527 | volatile int runstate; | |
528 | unsigned int ioprio; | |
ac684785 | 529 | unsigned int ioprio_set; |
2dc1bbeb JA |
530 | unsigned int last_was_sync; |
531 | ||
532 | char *mmapfile; | |
533 | int mmapfd; | |
534 | ||
843a7413 JA |
535 | void *iolog_buf; |
536 | FILE *iolog_f; | |
ebac4655 | 537 | |
da86774e | 538 | char *sysfs_root; |
da86774e | 539 | |
6dfd46b9 JA |
540 | os_random_state_t bsrange_state; |
541 | os_random_state_t verify_state; | |
ebac4655 JA |
542 | |
543 | int shm_id; | |
544 | ||
e9c047a0 JA |
545 | /* |
546 | * IO engine hooks, contains everything needed to submit an io_u | |
547 | * to any of the available IO engines. | |
548 | */ | |
2866c82d | 549 | struct ioengine_ops *io_ops; |
ebac4655 | 550 | |
e9c047a0 JA |
551 | /* |
552 | * Current IO depth and list of free and busy io_u's. | |
553 | */ | |
ebac4655 JA |
554 | unsigned int cur_depth; |
555 | struct list_head io_u_freelist; | |
556 | struct list_head io_u_busylist; | |
755200a3 | 557 | struct list_head io_u_requeues; |
cb5ab512 | 558 | unsigned int io_u_queued; |
ebac4655 | 559 | |
e9c047a0 JA |
560 | /* |
561 | * Rate state | |
562 | */ | |
ebac4655 JA |
563 | unsigned long rate_usec_cycle; |
564 | long rate_pending_usleep; | |
565 | unsigned long rate_bytes; | |
4e991c23 | 566 | unsigned long rate_blocks; |
ebac4655 JA |
567 | struct timeval lastrate; |
568 | ||
ebac4655 JA |
569 | unsigned long long total_io_size; |
570 | ||
755200a3 | 571 | unsigned long io_issues[2]; |
9104f874 JA |
572 | unsigned long long io_blocks[2]; |
573 | unsigned long long io_bytes[2]; | |
48f5abd3 | 574 | unsigned long long io_skip_bytes; |
9104f874 | 575 | unsigned long long this_io_bytes[2]; |
079ad09b | 576 | unsigned long long zone_bytes; |
cdd18ad8 | 577 | struct fio_mutex *mutex; |
ebac4655 | 578 | |
e9c047a0 JA |
579 | /* |
580 | * State for random io, a bitmap of blocks done vs not done | |
581 | */ | |
6dfd46b9 | 582 | os_random_state_t random_state; |
ebac4655 | 583 | |
ebac4655 JA |
584 | struct timeval start; /* start of this loop */ |
585 | struct timeval epoch; /* time job was started */ | |
38d77cae | 586 | struct timeval rw_end[2]; |
a61eddec | 587 | struct timeval last_issue; |
38d77cae | 588 | unsigned int rw_end_set[2]; |
ebac4655 | 589 | |
e9c047a0 JA |
590 | /* |
591 | * read/write mixed workload state | |
592 | */ | |
6dfd46b9 | 593 | os_random_state_t rwmix_state; |
afe24a5a | 594 | unsigned long long rwmix_bytes; |
a6ccc7be | 595 | struct timeval rwmix_switch; |
e9c047a0 | 596 | enum fio_ddir rwmix_ddir; |
211097b2 | 597 | unsigned int ddir_nr; |
a6ccc7be | 598 | |
e9c047a0 | 599 | /* |
8de8f047 JA |
600 | * IO history logs for verification. We use a tree for sorting, |
601 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 602 | */ |
4b87898e | 603 | struct rb_root io_hist_tree; |
8de8f047 JA |
604 | struct list_head io_hist_list; |
605 | ||
606 | /* | |
607 | * For IO replaying | |
608 | */ | |
aea47d44 | 609 | struct list_head io_log_list; |
433afcb4 JA |
610 | |
611 | /* | |
612 | * timeout handling | |
613 | */ | |
614 | struct timeval timeout_end; | |
615 | struct itimerval timer; | |
1907dbc6 JA |
616 | |
617 | /* | |
618 | * for fileservice, how often to switch to a new file | |
619 | */ | |
620 | unsigned int file_service_nr; | |
621 | unsigned int file_service_left; | |
622 | struct fio_file *file_service_file; | |
9c60ce64 JA |
623 | |
624 | /* | |
625 | * For generating file sizes | |
626 | */ | |
627 | os_random_state_t file_size_state; | |
ebac4655 JA |
628 | }; |
629 | ||
0aabe160 JA |
630 | /* |
631 | * roundrobin available files, or choose one at random. | |
632 | */ | |
633 | enum { | |
634 | FIO_FSERVICE_RANDOM = 1, | |
635 | FIO_FSERVICE_RR = 2, | |
636 | }; | |
637 | ||
e592a06b AC |
638 | /* |
639 | * when should interactive ETA output be generated | |
640 | */ | |
641 | enum { | |
642 | FIO_ETA_AUTO, | |
643 | FIO_ETA_ALWAYS, | |
644 | FIO_ETA_NEVER, | |
645 | }; | |
646 | ||
433afcb4 JA |
647 | /* |
648 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
649 | * the timer on each queue operation. | |
650 | */ | |
651 | #define IO_U_TIMEOUT_INC 5 | |
652 | #define IO_U_TIMEOUT 30 | |
653 | ||
e1161c32 | 654 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 655 | do { \ |
19abcd3d JA |
656 | if ((td)->error) \ |
657 | break; \ | |
ebac4655 JA |
658 | int e = (err); \ |
659 | (td)->error = e; \ | |
e1161c32 | 660 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
661 | } while (0) |
662 | ||
b990b5c0 | 663 | |
e1161c32 JA |
664 | #define td_verror(td, err, func) \ |
665 | __td_verror((td), (err), strerror((err)), (func)) | |
666 | #define td_vmsg(td, err, msg, func) \ | |
667 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 668 | |
ebac4655 JA |
669 | extern int exitall_on_terminate; |
670 | extern int thread_number; | |
9cedf167 | 671 | extern int nr_process, nr_thread; |
ebac4655 JA |
672 | extern int shm_id; |
673 | extern int groupid; | |
c6ae0a5b | 674 | extern int terse_output; |
53cdc686 | 675 | extern int temp_stall_ts; |
1e97cce9 | 676 | extern unsigned long long mlock_size; |
cfc99db7 | 677 | extern unsigned long page_mask, page_size; |
4241ea8f | 678 | extern int read_only; |
e592a06b | 679 | extern int eta_print; |
01f06b63 | 680 | extern char *job_section; |
ebac4655 JA |
681 | |
682 | extern struct thread_data *threads; | |
683 | ||
2dc1bbeb JA |
684 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
685 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
686 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
687 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 | 688 | |
7101d9c2 JA |
689 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
690 | { | |
691 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); | |
692 | } | |
693 | ||
ebac4655 | 694 | #define BLOCKS_PER_MAP (8 * sizeof(long)) |
84422acd | 695 | #define TO_MAP_BLOCK(td, f, b) (b) |
53cdc686 JA |
696 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
697 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
698 | |
699 | #define MAX_JOBS (1024) | |
700 | ||
87dc1ab1 JA |
701 | static inline int should_fsync(struct thread_data *td) |
702 | { | |
703 | if (td->last_was_sync) | |
704 | return 0; | |
2dc1bbeb | 705 | if (td->o.odirect) |
87dc1ab1 | 706 | return 0; |
2dc1bbeb | 707 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
708 | return 1; |
709 | ||
710 | return 0; | |
711 | } | |
712 | ||
1c9e06ee JA |
713 | /* |
714 | * Disk utils as read in /sys/block/<dev>/stat | |
715 | */ | |
ebac4655 JA |
716 | struct disk_util_stat { |
717 | unsigned ios[2]; | |
718 | unsigned merges[2]; | |
719 | unsigned long long sectors[2]; | |
720 | unsigned ticks[2]; | |
721 | unsigned io_ticks; | |
722 | unsigned time_in_queue; | |
723 | }; | |
724 | ||
1c9e06ee JA |
725 | /* |
726 | * Per-device disk util management | |
727 | */ | |
ebac4655 JA |
728 | struct disk_util { |
729 | struct list_head list; | |
730 | ||
731 | char *name; | |
e11c410c | 732 | char *sysfs_root; |
ebac4655 | 733 | char path[256]; |
07e5b264 | 734 | int major, minor; |
ebac4655 JA |
735 | |
736 | struct disk_util_stat dus; | |
737 | struct disk_util_stat last_dus; | |
738 | ||
739 | unsigned long msec; | |
740 | struct timeval time; | |
741 | }; | |
742 | ||
ebac4655 JA |
743 | #define DISK_UTIL_MSEC (250) |
744 | ||
6796209a JA |
745 | /* |
746 | * Log exports | |
747 | */ | |
f29b25a3 JA |
748 | enum file_log_act { |
749 | FIO_LOG_ADD_FILE, | |
750 | FIO_LOG_OPEN_FILE, | |
751 | FIO_LOG_CLOSE_FILE, | |
752 | }; | |
753 | ||
72cb971b | 754 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
f29b25a3 JA |
755 | extern void log_io_u(struct thread_data *, struct io_u *); |
756 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
72cb971b | 757 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
758 | extern void log_io_piece(struct thread_data *, struct io_u *); |
759 | extern void prune_io_piece_log(struct thread_data *); | |
760 | extern void write_iolog_close(struct thread_data *); | |
761 | ||
762 | /* | |
763 | * Logging | |
764 | */ | |
1e97cce9 JA |
765 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
766 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
767 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
768 | extern void show_run_stats(void); |
769 | extern void init_disk_util(struct thread_data *); | |
770 | extern void update_rusage_stat(struct thread_data *); | |
771 | extern void update_io_ticks(void); | |
772 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
773 | extern void setup_log(struct io_log **); |
774 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 775 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
776 | extern struct io_log *agg_io_log[2]; |
777 | extern int write_bw_log; | |
778 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
779 | |
780 | /* | |
781 | * Time functions | |
782 | */ | |
10927316 SL |
783 | extern unsigned long long utime_since(struct timeval *, struct timeval *); |
784 | extern unsigned long long utime_since_now(struct timeval *); | |
6796209a JA |
785 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
786 | extern unsigned long mtime_since_now(struct timeval *); | |
787 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 788 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 789 | extern void __usec_sleep(unsigned int); |
6796209a | 790 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 791 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 792 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 793 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 794 | extern void set_genesis_time(void); |
6796209a | 795 | |
8914a9d8 | 796 | /* |
214e1eca | 797 | * Init/option functions |
8914a9d8 | 798 | */ |
72cb971b | 799 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
800 | extern int fio_option_parse(struct thread_data *, const char *); |
801 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
802 | extern void fio_fill_default_options(struct thread_data *); | |
803 | extern int fio_show_option_help(const char *); | |
804 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
805 | extern void options_mem_dupe(struct thread_data *); |
806 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
807 | #define FIO_GETOPT_JOB 0x89988998 |
808 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 809 | |
53cdc686 JA |
810 | /* |
811 | * File setup/shutdown | |
812 | */ | |
813 | extern void close_files(struct thread_data *); | |
24ffd2c2 | 814 | extern void close_and_free_files(struct thread_data *); |
b2fdda43 JA |
815 | extern int __must_check setup_files(struct thread_data *); |
816 | extern int __must_check open_files(struct thread_data *); | |
817 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 | 818 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 819 | extern int __must_check generic_close_file(struct thread_data *, struct fio_file *); |
f29b25a3 | 820 | extern int add_file(struct thread_data *, const char *); |
0ad920e7 | 821 | extern void get_file(struct fio_file *); |
6977bcd0 | 822 | extern int __must_check put_file(struct thread_data *, struct fio_file *); |
b2bd2bd9 JA |
823 | extern void lock_file(struct thread_data *, struct fio_file *); |
824 | extern void unlock_file(struct fio_file *); | |
bbf6b540 | 825 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 826 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 827 | extern void dup_files(struct thread_data *, struct thread_data *); |
f29b25a3 JA |
828 | extern int get_fileno(struct thread_data *, const char *); |
829 | extern void free_release_files(struct thread_data *); | |
53cdc686 | 830 | |
263e529f JA |
831 | /* |
832 | * ETA/status stuff | |
833 | */ | |
834 | extern void print_thread_status(void); | |
835 | extern void print_status_init(int); | |
836 | ||
9f8f2064 JA |
837 | /* |
838 | * disk util stuff | |
839 | */ | |
840 | #ifdef FIO_HAVE_DISK_UTIL | |
841 | extern void show_disk_util(void); | |
842 | extern void disk_util_timer_arm(void); | |
843 | extern void init_disk_util(struct thread_data *); | |
844 | extern void update_io_ticks(void); | |
845 | #else | |
846 | #define show_disk_util() | |
847 | #define disk_util_timer_arm() | |
848 | #define init_disk_util(td) | |
849 | #define update_io_ticks() | |
850 | #endif | |
851 | ||
263e529f JA |
852 | /* |
853 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
854 | * will never back again. It may cycle between running/verififying/fsyncing. | |
855 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
856 | * reap it. | |
857 | */ | |
858 | enum { | |
859 | TD_NOT_CREATED = 0, | |
860 | TD_CREATED, | |
861 | TD_INITIALIZED, | |
862 | TD_RUNNING, | |
863 | TD_VERIFYING, | |
864 | TD_FSYNCING, | |
865 | TD_EXITED, | |
866 | TD_REAPED, | |
867 | }; | |
868 | ||
e29d1b70 JA |
869 | /* |
870 | * Verify helpers | |
871 | */ | |
872 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 873 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 874 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 875 | |
2f9ade3c JA |
876 | /* |
877 | * Memory helpers | |
878 | */ | |
b2fdda43 | 879 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 880 | extern void fio_unpin_memory(void); |
b2fdda43 | 881 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
882 | extern void free_io_mem(struct thread_data *); |
883 | ||
10ba535a JA |
884 | /* |
885 | * io unit handling | |
886 | */ | |
887 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
888 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 889 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 890 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 891 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
892 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
893 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 894 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 895 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
896 | extern void io_u_init_timeout(void); |
897 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 898 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
899 | |
900 | /* | |
901 | * io engine entry points | |
902 | */ | |
b2fdda43 JA |
903 | extern int __must_check td_io_init(struct thread_data *); |
904 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
905 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
906 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
e7d2e616 | 907 | extern int __must_check td_io_getevents(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
b2fdda43 | 908 | extern int __must_check td_io_commit(struct thread_data *); |
b5af8293 | 909 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
6977bcd0 | 910 | extern int td_io_close_file(struct thread_data *, struct fio_file *); |
10ba535a | 911 | |
fb7b71a3 JA |
912 | /* |
913 | * blktrace support | |
914 | */ | |
5e62c22a | 915 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
916 | extern int is_blktrace(const char *); |
917 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 918 | #endif |
fb7b71a3 | 919 | |
2866c82d | 920 | struct ioengine_ops { |
5f350952 | 921 | struct list_head list; |
2866c82d JA |
922 | char name[16]; |
923 | int version; | |
924 | int flags; | |
ea2877a4 | 925 | int (*setup)(struct thread_data *); |
2866c82d JA |
926 | int (*init)(struct thread_data *); |
927 | int (*prep)(struct thread_data *, struct io_u *); | |
928 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 929 | int (*commit)(struct thread_data *); |
e7d2e616 | 930 | int (*getevents)(struct thread_data *, unsigned int, unsigned int, struct timespec *); |
2866c82d JA |
931 | struct io_u *(*event)(struct thread_data *, int); |
932 | int (*cancel)(struct thread_data *, struct io_u *); | |
933 | void (*cleanup)(struct thread_data *); | |
b5af8293 | 934 | int (*open_file)(struct thread_data *, struct fio_file *); |
6977bcd0 | 935 | int (*close_file)(struct thread_data *, struct fio_file *); |
2866c82d JA |
936 | void *data; |
937 | void *dlhandle; | |
938 | }; | |
939 | ||
6977bcd0 | 940 | #define FIO_IOOPS_VERSION 9 |
2866c82d | 941 | |
b4692828 | 942 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 943 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 944 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
945 | extern void close_ioengine(struct thread_data *); |
946 | ||
947 | /* | |
948 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
949 | */ | |
950 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
951 | #define fio_init __attribute__((constructor)) |
952 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 953 | |
34572e28 JA |
954 | #define for_each_td(td, i) \ |
955 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 956 | #define for_each_file(td, f, i) \ |
126d65c6 | 957 | for ((i) = 0, (f) = (td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 958 | |
0032bf9f JA |
959 | #define fio_assert(td, cond) do { \ |
960 | if (!(cond)) { \ | |
340fd243 | 961 | int *__foo = NULL; \ |
0032bf9f JA |
962 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
963 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 964 | (td)->error = EFAULT; \ |
340fd243 | 965 | *__foo = 0; \ |
0032bf9f JA |
966 | } \ |
967 | } while (0) | |
968 | ||
9bf27b45 JA |
969 | static inline void clear_error(struct thread_data *td) |
970 | { | |
971 | td->error = 0; | |
972 | td->verror[0] = '\0'; | |
973 | } | |
974 | ||
79e48f72 | 975 | #ifdef FIO_INC_DEBUG |
2ba1c290 JA |
976 | static inline void dprint_io_u(struct io_u *io_u, const char *p) |
977 | { | |
978 | struct fio_file *f = io_u->file; | |
979 | ||
980 | dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, | |
981 | io_u->offset, io_u->buflen, io_u->ddir); | |
8172fe97 JA |
982 | if (fio_debug & (1 << FD_IO)) { |
983 | if (f) | |
984 | log_info("/%s", f->file_name); | |
985 | ||
986 | log_info("\n"); | |
987 | } | |
2ba1c290 | 988 | } |
79e48f72 | 989 | #else |
79e48f72 JA |
990 | #define dprint_io_u(io_u, p) |
991 | #endif | |
2ba1c290 | 992 | |
ebac4655 | 993 | #endif |