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