Commit | Line | Data |
---|---|---|
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> |
ebac4655 | 15 | |
317b95d0 | 16 | #include "compiler/compiler.h" |
ebac4655 | 17 | #include "list.h" |
e2887563 | 18 | #include "fifo.h" |
4b87898e | 19 | #include "rbtree.h" |
ebac4655 JA |
20 | #include "md5.h" |
21 | #include "crc32.h" | |
317b95d0 JA |
22 | #include "arch/arch.h" |
23 | #include "os/os.h" | |
07739b57 | 24 | #include "mutex.h" |
ebac4655 | 25 | |
b6959b55 | 26 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 27 | #include "syslet.h" |
b6959b55 | 28 | #endif |
a4f4fdd7 | 29 | |
609342ff DL |
30 | #ifdef FIO_HAVE_GUASI |
31 | #include <guasi.h> | |
32 | #endif | |
33 | ||
1e97cce9 JA |
34 | enum fio_ddir { |
35 | DDIR_READ = 0, | |
36 | DDIR_WRITE, | |
37 | DDIR_SYNC, | |
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 | }; | |
53cdc686 | 88 | struct fio_file *file; |
ebac4655 | 89 | unsigned long long offset; |
a4f4fdd7 | 90 | unsigned long len; |
1e97cce9 | 91 | enum fio_ddir ddir; |
8c1fdf04 | 92 | unsigned long delay; |
ebac4655 JA |
93 | }; |
94 | ||
a4f4fdd7 JA |
95 | #ifdef FIO_HAVE_SYSLET |
96 | struct syslet_req { | |
5b38ee84 JA |
97 | struct syslet_uatom atom; /* the atom to submit */ |
98 | struct syslet_uatom *head; /* head of the sequence */ | |
99 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
100 | }; |
101 | #endif | |
102 | ||
0c6e7517 JA |
103 | enum { |
104 | IO_U_F_FREE = 1 << 0, | |
105 | IO_U_F_FLIGHT = 1 << 1, | |
106 | }; | |
107 | ||
36690c9b JA |
108 | struct thread_data; |
109 | ||
ebac4655 JA |
110 | /* |
111 | * The io unit | |
112 | */ | |
113 | struct io_u { | |
114 | union { | |
115 | #ifdef FIO_HAVE_LIBAIO | |
116 | struct iocb iocb; | |
117 | #endif | |
118 | #ifdef FIO_HAVE_POSIXAIO | |
119 | struct aiocb aiocb; | |
120 | #endif | |
121 | #ifdef FIO_HAVE_SGIO | |
122 | struct sg_io_hdr hdr; | |
a4f4fdd7 JA |
123 | #endif |
124 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 125 | struct syslet_req req; |
609342ff DL |
126 | #endif |
127 | #ifdef FIO_HAVE_GUASI | |
128 | guasi_req_t greq; | |
ebac4655 JA |
129 | #endif |
130 | }; | |
131 | struct timeval start_time; | |
132 | struct timeval issue_time; | |
133 | ||
1c9e06ee JA |
134 | /* |
135 | * Allocated/set buffer and length | |
136 | */ | |
6b9cea23 | 137 | void *buf; |
a4f4fdd7 | 138 | unsigned long buflen; |
ebac4655 | 139 | unsigned long long offset; |
d460eb31 | 140 | unsigned long long endpos; |
ebac4655 | 141 | |
1c9e06ee JA |
142 | /* |
143 | * IO engine state, may be different from above when we get | |
144 | * partial transfers / residual data counts | |
145 | */ | |
cec6b55d | 146 | void *xfer_buf; |
a4f4fdd7 | 147 | unsigned long xfer_buflen; |
cec6b55d | 148 | |
ebac4655 JA |
149 | unsigned int resid; |
150 | unsigned int error; | |
151 | ||
1e97cce9 | 152 | enum fio_ddir ddir; |
ebac4655 | 153 | |
dfd7bc2c JA |
154 | /* |
155 | * io engine private data | |
156 | */ | |
157 | union { | |
158 | unsigned int index; | |
159 | unsigned int seen; | |
160 | }; | |
161 | ||
0c6e7517 JA |
162 | unsigned int flags; |
163 | ||
53cdc686 JA |
164 | struct fio_file *file; |
165 | ||
ebac4655 | 166 | struct list_head list; |
d7762cf8 JA |
167 | |
168 | /* | |
169 | * Callback for io completion | |
170 | */ | |
36690c9b | 171 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
172 | }; |
173 | ||
36167d82 JA |
174 | /* |
175 | * io_ops->queue() return values | |
176 | */ | |
177 | enum { | |
178 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
179 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 180 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
181 | }; |
182 | ||
ebac4655 JA |
183 | #define FIO_HDR_MAGIC 0xf00baaef |
184 | ||
185 | enum { | |
1c9e06ee JA |
186 | VERIFY_NONE = 0, /* no verification */ |
187 | VERIFY_MD5, /* md5 sum data blocks */ | |
188 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
36690c9b | 189 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
190 | }; |
191 | ||
1c9e06ee JA |
192 | /* |
193 | * A header structure associated with each checksummed data block | |
194 | */ | |
ebac4655 JA |
195 | struct verify_header { |
196 | unsigned int fio_magic; | |
197 | unsigned int len; | |
198 | unsigned int verify_type; | |
199 | union { | |
200 | char md5_digest[MD5_HASH_WORDS * 4]; | |
201 | unsigned long crc32; | |
202 | }; | |
203 | }; | |
204 | ||
205 | struct group_run_stats { | |
9104f874 JA |
206 | unsigned long long max_run[2], min_run[2]; |
207 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 208 | unsigned long long io_kb[2]; |
9104f874 | 209 | unsigned long long agg[2]; |
ebac4655 JA |
210 | }; |
211 | ||
e9c047a0 JA |
212 | /* |
213 | * What type of allocation to use for io buffers | |
214 | */ | |
215 | enum fio_memtype { | |
216 | MEM_MALLOC = 0, /* ordinary malloc */ | |
217 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 218 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 219 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 220 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
221 | }; |
222 | ||
223 | /* | |
224 | * The type of object we are working on | |
225 | */ | |
226 | enum fio_filetype { | |
1c9e06ee JA |
227 | FIO_TYPE_FILE = 1, /* plain file */ |
228 | FIO_TYPE_BD, /* block device */ | |
229 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 230 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
231 | }; |
232 | ||
2866c82d | 233 | enum fio_ioengine_flags { |
1c9e06ee | 234 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
235 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
236 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 237 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 238 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
e9c047a0 JA |
239 | }; |
240 | ||
f11bd94d | 241 | enum fio_file_flags { |
0ad920e7 | 242 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 JA |
243 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
244 | FIO_FILE_EXISTS = 1 << 2, /* file there */ | |
245 | FIO_FILE_EXTEND = 1 << 3, /* needs extend */ | |
246 | FIO_FILE_NOSORT = 1 << 4, /* don't sort verify blocks */ | |
247 | FIO_FILE_DONE = 1 << 5, /* io completed to this file */ | |
248 | FIO_SIZE_KNOWN = 1 << 6, /* size has been set */ | |
f11bd94d JA |
249 | }; |
250 | ||
1c9e06ee JA |
251 | /* |
252 | * Each thread_data structure has a number of files associated with it, | |
253 | * this structure holds state information for a single file. | |
254 | */ | |
53cdc686 | 255 | struct fio_file { |
af52b345 JA |
256 | enum fio_filetype filetype; |
257 | ||
53cdc686 JA |
258 | /* |
259 | * A file may not be a file descriptor, let the io engine decide | |
260 | */ | |
261 | union { | |
262 | unsigned long file_data; | |
e26f8f7a | 263 | int fd; |
53cdc686 | 264 | }; |
7bb48f84 JA |
265 | |
266 | /* | |
267 | * filename and possible memory mapping | |
268 | */ | |
1315a68a | 269 | char *file_name; |
53cdc686 | 270 | void *mmap; |
5e6c2067 | 271 | unsigned int major, minor; |
7bb48f84 JA |
272 | |
273 | /* | |
274 | * size of the file, offset into file, and io size from that offset | |
275 | */ | |
53cdc686 JA |
276 | unsigned long long real_file_size; |
277 | unsigned long long file_offset; | |
7bb48f84 JA |
278 | unsigned long long io_size; |
279 | ||
53cdc686 | 280 | unsigned long long last_pos; |
02bcaa8c | 281 | unsigned long long last_completed_pos; |
53cdc686 | 282 | |
1c9e06ee JA |
283 | /* |
284 | * block map for random io | |
285 | */ | |
53cdc686 JA |
286 | unsigned long *file_map; |
287 | unsigned int num_maps; | |
1c9e06ee | 288 | unsigned int last_free_lookup; |
9b031dc8 | 289 | |
0ad920e7 | 290 | int references; |
f11bd94d | 291 | enum fio_file_flags flags; |
53cdc686 JA |
292 | }; |
293 | ||
b2560f3c JA |
294 | /* |
295 | * How many depth levels to log | |
296 | */ | |
297 | #define FIO_IO_U_MAP_NR 8 | |
298 | #define FIO_IO_U_LAT_NR 12 | |
299 | ||
079ad09b | 300 | struct thread_stat { |
756867bd JA |
301 | char *name; |
302 | char *verror; | |
303 | int error; | |
304 | int groupid; | |
305 | pid_t pid; | |
306 | char *description; | |
6586ee89 | 307 | int members; |
756867bd | 308 | |
079ad09b JA |
309 | struct io_log *slat_log; |
310 | struct io_log *clat_log; | |
311 | struct io_log *bw_log; | |
312 | ||
313 | /* | |
314 | * bandwidth and latency stats | |
315 | */ | |
316 | struct io_stat clat_stat[2]; /* completion latency */ | |
317 | struct io_stat slat_stat[2]; /* submission latency */ | |
318 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
319 | ||
320 | unsigned long long stat_io_bytes[2]; | |
321 | struct timeval stat_sample_time[2]; | |
322 | ||
323 | /* | |
324 | * fio system usage accounting | |
325 | */ | |
326 | struct rusage ru_start; | |
327 | struct rusage ru_end; | |
328 | unsigned long usr_time; | |
329 | unsigned long sys_time; | |
330 | unsigned long ctx; | |
079ad09b | 331 | |
b2560f3c JA |
332 | /* |
333 | * IO depth and latency stats | |
334 | */ | |
335 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
336 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 337 | unsigned long total_io_u[2]; |
30061b97 | 338 | unsigned long short_io_u[2]; |
756867bd JA |
339 | |
340 | unsigned long long io_bytes[2]; | |
341 | unsigned long runtime[2]; | |
342 | unsigned long total_run_time; | |
b2560f3c | 343 | }; |
71619dc2 | 344 | |
2dc1bbeb | 345 | struct thread_options { |
b1ec1da6 | 346 | int pad; |
61697c37 | 347 | char *description; |
b4692828 | 348 | char *name; |
ef899b63 | 349 | char *directory; |
13f8e2d2 | 350 | char *filename; |
2dc1bbeb | 351 | char *opendir; |
09629a90 | 352 | char *ioengine; |
413dd459 | 353 | enum td_ddir td_ddir; |
211097b2 | 354 | unsigned int ddir_nr; |
2dc1bbeb JA |
355 | unsigned int iodepth; |
356 | unsigned int iodepth_low; | |
357 | unsigned int iodepth_batch; | |
358 | ||
359 | unsigned long long size; | |
360 | unsigned long long file_size_low; | |
361 | unsigned long long file_size_high; | |
362 | unsigned long long start_offset; | |
363 | ||
364 | unsigned int bs[2]; | |
365 | unsigned int min_bs[2]; | |
366 | unsigned int max_bs[2]; | |
367 | ||
368 | unsigned int nr_files; | |
369 | unsigned int open_files; | |
e9c047a0 | 370 | |
9158d2f7 JA |
371 | unsigned int odirect; |
372 | unsigned int invalidate_cache; | |
373 | unsigned int create_serialize; | |
374 | unsigned int create_fsync; | |
375 | unsigned int end_fsync; | |
376 | unsigned int sync_io; | |
377 | unsigned int verify; | |
160b966d | 378 | unsigned int verifysort; |
9158d2f7 JA |
379 | unsigned int use_thread; |
380 | unsigned int unlink; | |
381 | unsigned int do_disk_util; | |
382 | unsigned int override_sync; | |
383 | unsigned int rand_repeatable; | |
384 | unsigned int write_lat_log; | |
385 | unsigned int write_bw_log; | |
bb8895e0 | 386 | unsigned int norandommap; |
690adba3 | 387 | unsigned int bs_unaligned; |
ebb1415f | 388 | unsigned int fsync_on_close; |
e9c047a0 | 389 | |
56bb17f2 | 390 | unsigned int hugepage_size; |
a00735e6 | 391 | unsigned int rw_min_bs; |
ebac4655 | 392 | unsigned int thinktime; |
48097d5c | 393 | unsigned int thinktime_spin; |
9c1f7434 | 394 | unsigned int thinktime_blocks; |
ebac4655 JA |
395 | unsigned int fsync_blocks; |
396 | unsigned int start_delay; | |
0db26797 | 397 | unsigned long long timeout; |
ebac4655 | 398 | unsigned int overwrite; |
ebac4655 | 399 | unsigned int bw_avg_time; |
ebac4655 | 400 | unsigned int loops; |
20dc95c4 JA |
401 | unsigned long long zone_size; |
402 | unsigned long long zone_skip; | |
e9c047a0 | 403 | enum fio_memtype mem_type; |
2dc1bbeb | 404 | |
ebac4655 | 405 | unsigned int stonewall; |
b3d62a75 | 406 | unsigned int new_group; |
ebac4655 | 407 | unsigned int numjobs; |
ebac4655 | 408 | os_cpu_mask_t cpumask; |
375b2695 | 409 | unsigned int cpumask_set; |
aea47d44 | 410 | unsigned int iolog; |
a6ccc7be | 411 | unsigned int rwmixcycle; |
e47f799f | 412 | unsigned int rwmix[2]; |
b6f4d880 | 413 | unsigned int nice; |
0aabe160 | 414 | unsigned int file_service_type; |
b2560f3c | 415 | unsigned int group_reporting; |
d2f3ac35 | 416 | unsigned int fadvise_hint; |
e9459e5a | 417 | unsigned int zero_buffers; |
cf4464ca | 418 | unsigned int time_based; |
aea47d44 | 419 | |
076efc7c JA |
420 | char *read_iolog_file; |
421 | char *write_iolog_file; | |
2dc1bbeb JA |
422 | |
423 | /* | |
424 | * Pre-run and post-run shell | |
425 | */ | |
426 | char *exec_prerun; | |
427 | char *exec_postrun; | |
428 | ||
429 | unsigned int rate; | |
430 | unsigned int ratemin; | |
431 | unsigned int ratecycle; | |
432 | unsigned int rate_iops; | |
433 | unsigned int rate_iops_min; | |
434 | ||
435 | char *ioscheduler; | |
436 | ||
437 | /* | |
438 | * CPU "io" cycle burner | |
439 | */ | |
440 | unsigned int cpuload; | |
441 | unsigned int cpucycle; | |
442 | }; | |
443 | ||
e4e33258 JA |
444 | #define FIO_VERROR_SIZE 128 |
445 | ||
2dc1bbeb JA |
446 | /* |
447 | * This describes a single thread/process executing a fio job. | |
448 | */ | |
449 | struct thread_data { | |
450 | struct thread_options o; | |
e4e33258 | 451 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
452 | pthread_t thread; |
453 | int thread_number; | |
454 | int groupid; | |
455 | struct thread_stat ts; | |
456 | struct fio_file *files; | |
457 | unsigned int files_index; | |
458 | unsigned int nr_open_files; | |
1020a139 | 459 | unsigned int nr_done_files; |
2dc1bbeb JA |
460 | unsigned int nr_normal_files; |
461 | union { | |
462 | unsigned int next_file; | |
463 | os_random_state_t next_file_state; | |
464 | }; | |
465 | int error; | |
466 | pid_t pid; | |
467 | char *orig_buffer; | |
468 | size_t orig_buffer_size; | |
469 | volatile int terminate; | |
470 | volatile int runstate; | |
471 | unsigned int ioprio; | |
472 | unsigned int last_was_sync; | |
473 | ||
474 | char *mmapfile; | |
475 | int mmapfd; | |
476 | ||
843a7413 JA |
477 | void *iolog_buf; |
478 | FILE *iolog_f; | |
ebac4655 | 479 | |
da86774e | 480 | char *sysfs_root; |
da86774e | 481 | |
6dfd46b9 JA |
482 | os_random_state_t bsrange_state; |
483 | os_random_state_t verify_state; | |
ebac4655 JA |
484 | |
485 | int shm_id; | |
486 | ||
e9c047a0 JA |
487 | /* |
488 | * IO engine hooks, contains everything needed to submit an io_u | |
489 | * to any of the available IO engines. | |
490 | */ | |
2866c82d | 491 | struct ioengine_ops *io_ops; |
ebac4655 | 492 | |
e9c047a0 JA |
493 | /* |
494 | * Current IO depth and list of free and busy io_u's. | |
495 | */ | |
ebac4655 JA |
496 | unsigned int cur_depth; |
497 | struct list_head io_u_freelist; | |
498 | struct list_head io_u_busylist; | |
755200a3 | 499 | struct list_head io_u_requeues; |
cb5ab512 | 500 | unsigned int io_u_queued; |
ebac4655 | 501 | |
e9c047a0 JA |
502 | /* |
503 | * Rate state | |
504 | */ | |
ebac4655 JA |
505 | unsigned long rate_usec_cycle; |
506 | long rate_pending_usleep; | |
507 | unsigned long rate_bytes; | |
4e991c23 | 508 | unsigned long rate_blocks; |
ebac4655 JA |
509 | struct timeval lastrate; |
510 | ||
ebac4655 JA |
511 | unsigned long long total_io_size; |
512 | ||
755200a3 | 513 | unsigned long io_issues[2]; |
9104f874 JA |
514 | unsigned long long io_blocks[2]; |
515 | unsigned long long io_bytes[2]; | |
9104f874 | 516 | unsigned long long this_io_bytes[2]; |
079ad09b | 517 | unsigned long long zone_bytes; |
07739b57 | 518 | struct fio_sem *mutex; |
ebac4655 | 519 | |
e9c047a0 JA |
520 | /* |
521 | * State for random io, a bitmap of blocks done vs not done | |
522 | */ | |
6dfd46b9 | 523 | os_random_state_t random_state; |
ebac4655 | 524 | |
ebac4655 JA |
525 | struct timeval start; /* start of this loop */ |
526 | struct timeval epoch; /* time job was started */ | |
38d77cae | 527 | struct timeval rw_end[2]; |
a61eddec | 528 | struct timeval last_issue; |
38d77cae | 529 | unsigned int rw_end_set[2]; |
ebac4655 | 530 | |
e9c047a0 JA |
531 | /* |
532 | * read/write mixed workload state | |
533 | */ | |
6dfd46b9 | 534 | os_random_state_t rwmix_state; |
afe24a5a | 535 | unsigned long long rwmix_bytes; |
a6ccc7be | 536 | struct timeval rwmix_switch; |
e9c047a0 | 537 | enum fio_ddir rwmix_ddir; |
211097b2 | 538 | unsigned int ddir_nr; |
a6ccc7be | 539 | |
e9c047a0 | 540 | /* |
8de8f047 JA |
541 | * IO history logs for verification. We use a tree for sorting, |
542 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 543 | */ |
4b87898e | 544 | struct rb_root io_hist_tree; |
8de8f047 JA |
545 | struct list_head io_hist_list; |
546 | ||
547 | /* | |
548 | * For IO replaying | |
549 | */ | |
aea47d44 | 550 | struct list_head io_log_list; |
433afcb4 JA |
551 | |
552 | /* | |
553 | * timeout handling | |
554 | */ | |
555 | struct timeval timeout_end; | |
556 | struct itimerval timer; | |
1907dbc6 JA |
557 | |
558 | /* | |
559 | * for fileservice, how often to switch to a new file | |
560 | */ | |
561 | unsigned int file_service_nr; | |
562 | unsigned int file_service_left; | |
563 | struct fio_file *file_service_file; | |
9c60ce64 JA |
564 | |
565 | /* | |
566 | * For generating file sizes | |
567 | */ | |
568 | os_random_state_t file_size_state; | |
ebac4655 JA |
569 | }; |
570 | ||
0aabe160 JA |
571 | /* |
572 | * roundrobin available files, or choose one at random. | |
573 | */ | |
574 | enum { | |
575 | FIO_FSERVICE_RANDOM = 1, | |
576 | FIO_FSERVICE_RR = 2, | |
577 | }; | |
578 | ||
433afcb4 JA |
579 | /* |
580 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
581 | * the timer on each queue operation. | |
582 | */ | |
583 | #define IO_U_TIMEOUT_INC 5 | |
584 | #define IO_U_TIMEOUT 30 | |
585 | ||
e1161c32 | 586 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 587 | do { \ |
19abcd3d JA |
588 | if ((td)->error) \ |
589 | break; \ | |
ebac4655 JA |
590 | int e = (err); \ |
591 | (td)->error = e; \ | |
e1161c32 | 592 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
593 | } while (0) |
594 | ||
b990b5c0 | 595 | |
e1161c32 JA |
596 | #define td_verror(td, err, func) \ |
597 | __td_verror((td), (err), strerror((err)), (func)) | |
598 | #define td_vmsg(td, err, msg, func) \ | |
599 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 600 | |
ebac4655 JA |
601 | extern int exitall_on_terminate; |
602 | extern int thread_number; | |
9cedf167 | 603 | extern int nr_process, nr_thread; |
ebac4655 JA |
604 | extern int shm_id; |
605 | extern int groupid; | |
c6ae0a5b | 606 | extern int terse_output; |
eb8bbf48 JA |
607 | extern FILE *f_out; |
608 | extern FILE *f_err; | |
53cdc686 | 609 | extern int temp_stall_ts; |
1e97cce9 | 610 | extern unsigned long long mlock_size; |
cfc99db7 | 611 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
612 | |
613 | extern struct thread_data *threads; | |
614 | ||
2dc1bbeb JA |
615 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
616 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
617 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
618 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
619 | |
620 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 621 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
622 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
623 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
624 | |
625 | #define MAX_JOBS (1024) | |
626 | ||
87dc1ab1 JA |
627 | static inline int should_fsync(struct thread_data *td) |
628 | { | |
629 | if (td->last_was_sync) | |
630 | return 0; | |
2dc1bbeb | 631 | if (td->o.odirect) |
87dc1ab1 | 632 | return 0; |
2dc1bbeb | 633 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
634 | return 1; |
635 | ||
636 | return 0; | |
637 | } | |
638 | ||
1c9e06ee JA |
639 | /* |
640 | * Disk utils as read in /sys/block/<dev>/stat | |
641 | */ | |
ebac4655 JA |
642 | struct disk_util_stat { |
643 | unsigned ios[2]; | |
644 | unsigned merges[2]; | |
645 | unsigned long long sectors[2]; | |
646 | unsigned ticks[2]; | |
647 | unsigned io_ticks; | |
648 | unsigned time_in_queue; | |
649 | }; | |
650 | ||
1c9e06ee JA |
651 | /* |
652 | * Per-device disk util management | |
653 | */ | |
ebac4655 JA |
654 | struct disk_util { |
655 | struct list_head list; | |
656 | ||
657 | char *name; | |
e11c410c | 658 | char *sysfs_root; |
ebac4655 | 659 | char path[256]; |
07e5b264 | 660 | int major, minor; |
ebac4655 JA |
661 | |
662 | struct disk_util_stat dus; | |
663 | struct disk_util_stat last_dus; | |
664 | ||
665 | unsigned long msec; | |
666 | struct timeval time; | |
667 | }; | |
668 | ||
ebac4655 JA |
669 | #define DISK_UTIL_MSEC (250) |
670 | ||
6796209a JA |
671 | /* |
672 | * Log exports | |
673 | */ | |
72cb971b | 674 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 675 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 676 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
677 | extern void log_io_piece(struct thread_data *, struct io_u *); |
678 | extern void prune_io_piece_log(struct thread_data *); | |
679 | extern void write_iolog_close(struct thread_data *); | |
680 | ||
681 | /* | |
682 | * Logging | |
683 | */ | |
1e97cce9 JA |
684 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
685 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
686 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
687 | extern void show_run_stats(void); |
688 | extern void init_disk_util(struct thread_data *); | |
689 | extern void update_rusage_stat(struct thread_data *); | |
690 | extern void update_io_ticks(void); | |
691 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
692 | extern void setup_log(struct io_log **); |
693 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 694 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
695 | extern struct io_log *agg_io_log[2]; |
696 | extern int write_bw_log; | |
697 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
698 | |
699 | /* | |
700 | * Time functions | |
701 | */ | |
702 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 703 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
704 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
705 | extern unsigned long mtime_since_now(struct timeval *); | |
706 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 707 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 708 | extern void __usec_sleep(unsigned int); |
6796209a | 709 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 710 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 711 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 712 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 713 | extern void set_genesis_time(void); |
6796209a | 714 | |
8914a9d8 | 715 | /* |
214e1eca | 716 | * Init/option functions |
8914a9d8 | 717 | */ |
72cb971b | 718 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
719 | extern int fio_option_parse(struct thread_data *, const char *); |
720 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
721 | extern void fio_fill_default_options(struct thread_data *); | |
722 | extern int fio_show_option_help(const char *); | |
723 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
724 | extern void options_mem_dupe(struct thread_data *); |
725 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
726 | #define FIO_GETOPT_JOB 0x89988998 |
727 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 728 | |
53cdc686 JA |
729 | /* |
730 | * File setup/shutdown | |
731 | */ | |
732 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
733 | extern int __must_check setup_files(struct thread_data *); |
734 | extern int __must_check open_files(struct thread_data *); | |
735 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
736 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
737 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 738 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
739 | extern void get_file(struct fio_file *); |
740 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 741 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 742 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 743 | extern void dup_files(struct thread_data *, struct thread_data *); |
53cdc686 | 744 | |
263e529f JA |
745 | /* |
746 | * ETA/status stuff | |
747 | */ | |
748 | extern void print_thread_status(void); | |
749 | extern void print_status_init(int); | |
750 | ||
9f8f2064 JA |
751 | /* |
752 | * disk util stuff | |
753 | */ | |
754 | #ifdef FIO_HAVE_DISK_UTIL | |
755 | extern void show_disk_util(void); | |
756 | extern void disk_util_timer_arm(void); | |
757 | extern void init_disk_util(struct thread_data *); | |
758 | extern void update_io_ticks(void); | |
759 | #else | |
760 | #define show_disk_util() | |
761 | #define disk_util_timer_arm() | |
762 | #define init_disk_util(td) | |
763 | #define update_io_ticks() | |
764 | #endif | |
765 | ||
263e529f JA |
766 | /* |
767 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
768 | * will never back again. It may cycle between running/verififying/fsyncing. | |
769 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
770 | * reap it. | |
771 | */ | |
772 | enum { | |
773 | TD_NOT_CREATED = 0, | |
774 | TD_CREATED, | |
775 | TD_INITIALIZED, | |
776 | TD_RUNNING, | |
777 | TD_VERIFYING, | |
778 | TD_FSYNCING, | |
779 | TD_EXITED, | |
780 | TD_REAPED, | |
781 | }; | |
782 | ||
e29d1b70 JA |
783 | /* |
784 | * Verify helpers | |
785 | */ | |
786 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 787 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 788 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 789 | |
2f9ade3c JA |
790 | /* |
791 | * Memory helpers | |
792 | */ | |
b2fdda43 | 793 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 794 | extern void fio_unpin_memory(void); |
b2fdda43 | 795 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
796 | extern void free_io_mem(struct thread_data *); |
797 | ||
10ba535a JA |
798 | /* |
799 | * io unit handling | |
800 | */ | |
801 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
802 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 803 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 804 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 805 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
806 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
807 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 808 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 809 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
810 | extern void io_u_init_timeout(void); |
811 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 812 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
813 | |
814 | /* | |
815 | * io engine entry points | |
816 | */ | |
b2fdda43 JA |
817 | extern int __must_check td_io_init(struct thread_data *); |
818 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
819 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
820 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
821 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
822 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
823 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
824 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 825 | |
fb7b71a3 JA |
826 | /* |
827 | * blktrace support | |
828 | */ | |
5e62c22a | 829 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
830 | extern int is_blktrace(const char *); |
831 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 832 | #endif |
fb7b71a3 | 833 | |
3b70d7e5 JA |
834 | /* |
835 | * If logging output to a file, stderr should go to both stderr and f_err | |
836 | */ | |
837 | #define log_err(args...) do { \ | |
838 | fprintf(f_err, ##args); \ | |
839 | if (f_err != stderr) \ | |
840 | fprintf(stderr, ##args); \ | |
841 | } while (0) | |
842 | ||
9c60ce64 JA |
843 | #define log_info(args...) fprintf(f_out, ##args) |
844 | ||
9728ce37 JB |
845 | FILE *get_f_out(void); |
846 | FILE *get_f_err(void); | |
847 | ||
2866c82d | 848 | struct ioengine_ops { |
5f350952 | 849 | struct list_head list; |
2866c82d JA |
850 | char name[16]; |
851 | int version; | |
852 | int flags; | |
ea2877a4 | 853 | int (*setup)(struct thread_data *); |
2866c82d JA |
854 | int (*init)(struct thread_data *); |
855 | int (*prep)(struct thread_data *, struct io_u *); | |
856 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 857 | int (*commit)(struct thread_data *); |
2866c82d JA |
858 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
859 | struct io_u *(*event)(struct thread_data *, int); | |
860 | int (*cancel)(struct thread_data *, struct io_u *); | |
861 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
862 | int (*open_file)(struct thread_data *, struct fio_file *); |
863 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
864 | void *data; |
865 | void *dlhandle; | |
866 | }; | |
867 | ||
2c187c0f | 868 | #define FIO_IOOPS_VERSION 7 |
2866c82d | 869 | |
b4692828 | 870 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 871 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 872 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
873 | extern void close_ioengine(struct thread_data *); |
874 | ||
875 | /* | |
876 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
877 | */ | |
878 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
879 | #define fio_init __attribute__((constructor)) |
880 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 881 | |
34572e28 JA |
882 | #define for_each_td(td, i) \ |
883 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 884 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 885 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 886 | |
0032bf9f JA |
887 | #define fio_assert(td, cond) do { \ |
888 | if (!(cond)) { \ | |
340fd243 | 889 | int *__foo = NULL; \ |
0032bf9f JA |
890 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
891 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 892 | (td)->error = EFAULT; \ |
340fd243 | 893 | *__foo = 0; \ |
0032bf9f JA |
894 | } \ |
895 | } while (0) | |
896 | ||
9bf27b45 JA |
897 | static inline void clear_error(struct thread_data *td) |
898 | { | |
899 | td->error = 0; | |
900 | td->verror[0] = '\0'; | |
901 | } | |
902 | ||
ebac4655 | 903 | #endif |