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> |
ebac4655 | 15 | |
317b95d0 | 16 | #include "compiler/compiler.h" |
ebac4655 | 17 | #include "list.h" |
4b87898e | 18 | #include "rbtree.h" |
ebac4655 JA |
19 | #include "md5.h" |
20 | #include "crc32.h" | |
317b95d0 JA |
21 | #include "arch/arch.h" |
22 | #include "os/os.h" | |
07739b57 | 23 | #include "mutex.h" |
ebac4655 | 24 | |
b6959b55 | 25 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 26 | #include "syslet.h" |
b6959b55 | 27 | #endif |
a4f4fdd7 | 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, | |
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 | }; | |
53cdc686 | 87 | struct fio_file *file; |
ebac4655 | 88 | unsigned long long offset; |
a4f4fdd7 | 89 | unsigned long len; |
1e97cce9 | 90 | enum fio_ddir ddir; |
ebac4655 JA |
91 | }; |
92 | ||
a4f4fdd7 JA |
93 | #ifdef FIO_HAVE_SYSLET |
94 | struct syslet_req { | |
5b38ee84 JA |
95 | struct syslet_uatom atom; /* the atom to submit */ |
96 | struct syslet_uatom *head; /* head of the sequence */ | |
97 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
98 | }; |
99 | #endif | |
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 JA |
121 | #endif |
122 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 123 | struct syslet_req req; |
609342ff DL |
124 | #endif |
125 | #ifdef FIO_HAVE_GUASI | |
126 | guasi_req_t greq; | |
ebac4655 JA |
127 | #endif |
128 | }; | |
129 | struct timeval start_time; | |
130 | struct timeval issue_time; | |
131 | ||
1c9e06ee JA |
132 | /* |
133 | * Allocated/set buffer and length | |
134 | */ | |
6b9cea23 | 135 | void *buf; |
a4f4fdd7 | 136 | unsigned long buflen; |
ebac4655 | 137 | unsigned long long offset; |
d460eb31 | 138 | unsigned long long endpos; |
ebac4655 | 139 | |
1c9e06ee JA |
140 | /* |
141 | * IO engine state, may be different from above when we get | |
142 | * partial transfers / residual data counts | |
143 | */ | |
cec6b55d | 144 | void *xfer_buf; |
a4f4fdd7 | 145 | unsigned long xfer_buflen; |
cec6b55d | 146 | |
ebac4655 JA |
147 | unsigned int resid; |
148 | unsigned int error; | |
149 | ||
1e97cce9 | 150 | enum fio_ddir ddir; |
ebac4655 | 151 | |
dfd7bc2c JA |
152 | /* |
153 | * io engine private data | |
154 | */ | |
155 | union { | |
156 | unsigned int index; | |
157 | unsigned int seen; | |
158 | }; | |
159 | ||
0c6e7517 JA |
160 | unsigned int flags; |
161 | ||
53cdc686 JA |
162 | struct fio_file *file; |
163 | ||
ebac4655 | 164 | struct list_head list; |
d7762cf8 JA |
165 | |
166 | /* | |
167 | * Callback for io completion | |
168 | */ | |
36690c9b | 169 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
170 | }; |
171 | ||
36167d82 JA |
172 | /* |
173 | * io_ops->queue() return values | |
174 | */ | |
175 | enum { | |
176 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
177 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 178 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
179 | }; |
180 | ||
ebac4655 JA |
181 | #define FIO_HDR_MAGIC 0xf00baaef |
182 | ||
183 | enum { | |
1c9e06ee JA |
184 | VERIFY_NONE = 0, /* no verification */ |
185 | VERIFY_MD5, /* md5 sum data blocks */ | |
186 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
36690c9b | 187 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
188 | }; |
189 | ||
1c9e06ee JA |
190 | /* |
191 | * A header structure associated with each checksummed data block | |
192 | */ | |
ebac4655 JA |
193 | struct verify_header { |
194 | unsigned int fio_magic; | |
195 | unsigned int len; | |
196 | unsigned int verify_type; | |
197 | union { | |
198 | char md5_digest[MD5_HASH_WORDS * 4]; | |
199 | unsigned long crc32; | |
200 | }; | |
201 | }; | |
202 | ||
203 | struct group_run_stats { | |
9104f874 JA |
204 | unsigned long long max_run[2], min_run[2]; |
205 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 206 | unsigned long long io_kb[2]; |
9104f874 | 207 | unsigned long long agg[2]; |
ebac4655 JA |
208 | }; |
209 | ||
e9c047a0 JA |
210 | /* |
211 | * What type of allocation to use for io buffers | |
212 | */ | |
213 | enum fio_memtype { | |
214 | MEM_MALLOC = 0, /* ordinary malloc */ | |
215 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 216 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 217 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 218 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
219 | }; |
220 | ||
221 | /* | |
222 | * The type of object we are working on | |
223 | */ | |
224 | enum fio_filetype { | |
1c9e06ee JA |
225 | FIO_TYPE_FILE = 1, /* plain file */ |
226 | FIO_TYPE_BD, /* block device */ | |
227 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 228 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
229 | }; |
230 | ||
2866c82d | 231 | enum fio_ioengine_flags { |
1c9e06ee | 232 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
233 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
234 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 235 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 236 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
e9c047a0 JA |
237 | }; |
238 | ||
f11bd94d | 239 | enum fio_file_flags { |
0ad920e7 | 240 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 JA |
241 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
242 | FIO_FILE_EXISTS = 1 << 2, /* file there */ | |
243 | FIO_FILE_EXTEND = 1 << 3, /* needs extend */ | |
244 | FIO_FILE_NOSORT = 1 << 4, /* don't sort verify blocks */ | |
245 | FIO_FILE_DONE = 1 << 5, /* io completed to this file */ | |
246 | FIO_SIZE_KNOWN = 1 << 6, /* size has been set */ | |
f11bd94d JA |
247 | }; |
248 | ||
1c9e06ee JA |
249 | /* |
250 | * Each thread_data structure has a number of files associated with it, | |
251 | * this structure holds state information for a single file. | |
252 | */ | |
53cdc686 | 253 | struct fio_file { |
af52b345 JA |
254 | enum fio_filetype filetype; |
255 | ||
53cdc686 JA |
256 | /* |
257 | * A file may not be a file descriptor, let the io engine decide | |
258 | */ | |
259 | union { | |
260 | unsigned long file_data; | |
e26f8f7a | 261 | int fd; |
53cdc686 | 262 | }; |
7bb48f84 JA |
263 | |
264 | /* | |
265 | * filename and possible memory mapping | |
266 | */ | |
1315a68a | 267 | char *file_name; |
53cdc686 | 268 | void *mmap; |
7bb48f84 JA |
269 | |
270 | /* | |
271 | * size of the file, offset into file, and io size from that offset | |
272 | */ | |
53cdc686 JA |
273 | unsigned long long real_file_size; |
274 | unsigned long long file_offset; | |
7bb48f84 JA |
275 | unsigned long long io_size; |
276 | ||
53cdc686 | 277 | unsigned long long last_pos; |
02bcaa8c | 278 | unsigned long long last_completed_pos; |
53cdc686 | 279 | |
1c9e06ee JA |
280 | /* |
281 | * block map for random io | |
282 | */ | |
53cdc686 JA |
283 | unsigned long *file_map; |
284 | unsigned int num_maps; | |
1c9e06ee | 285 | unsigned int last_free_lookup; |
9b031dc8 | 286 | |
0ad920e7 | 287 | int references; |
f11bd94d | 288 | enum fio_file_flags flags; |
53cdc686 JA |
289 | }; |
290 | ||
b2560f3c JA |
291 | /* |
292 | * How many depth levels to log | |
293 | */ | |
294 | #define FIO_IO_U_MAP_NR 8 | |
295 | #define FIO_IO_U_LAT_NR 12 | |
296 | ||
079ad09b | 297 | struct thread_stat { |
756867bd JA |
298 | char *name; |
299 | char *verror; | |
300 | int error; | |
301 | int groupid; | |
302 | pid_t pid; | |
303 | char *description; | |
6586ee89 | 304 | int members; |
756867bd | 305 | |
079ad09b JA |
306 | struct io_log *slat_log; |
307 | struct io_log *clat_log; | |
308 | struct io_log *bw_log; | |
309 | ||
310 | /* | |
311 | * bandwidth and latency stats | |
312 | */ | |
313 | struct io_stat clat_stat[2]; /* completion latency */ | |
314 | struct io_stat slat_stat[2]; /* submission latency */ | |
315 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
316 | ||
317 | unsigned long long stat_io_bytes[2]; | |
318 | struct timeval stat_sample_time[2]; | |
319 | ||
320 | /* | |
321 | * fio system usage accounting | |
322 | */ | |
323 | struct rusage ru_start; | |
324 | struct rusage ru_end; | |
325 | unsigned long usr_time; | |
326 | unsigned long sys_time; | |
327 | unsigned long ctx; | |
079ad09b | 328 | |
b2560f3c JA |
329 | /* |
330 | * IO depth and latency stats | |
331 | */ | |
332 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
333 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 334 | unsigned long total_io_u[2]; |
30061b97 | 335 | unsigned long short_io_u[2]; |
756867bd JA |
336 | |
337 | unsigned long long io_bytes[2]; | |
338 | unsigned long runtime[2]; | |
339 | unsigned long total_run_time; | |
b2560f3c | 340 | }; |
71619dc2 | 341 | |
2dc1bbeb | 342 | struct thread_options { |
b1ec1da6 | 343 | int pad; |
61697c37 | 344 | char *description; |
b4692828 | 345 | char *name; |
ef899b63 | 346 | char *directory; |
13f8e2d2 | 347 | char *filename; |
2dc1bbeb | 348 | char *opendir; |
09629a90 | 349 | char *ioengine; |
413dd459 | 350 | enum td_ddir td_ddir; |
211097b2 | 351 | unsigned int ddir_nr; |
2dc1bbeb JA |
352 | unsigned int iodepth; |
353 | unsigned int iodepth_low; | |
354 | unsigned int iodepth_batch; | |
355 | ||
356 | unsigned long long size; | |
357 | unsigned long long file_size_low; | |
358 | unsigned long long file_size_high; | |
359 | unsigned long long start_offset; | |
360 | ||
361 | unsigned int bs[2]; | |
362 | unsigned int min_bs[2]; | |
363 | unsigned int max_bs[2]; | |
364 | ||
365 | unsigned int nr_files; | |
366 | unsigned int open_files; | |
e9c047a0 | 367 | |
9158d2f7 JA |
368 | unsigned int odirect; |
369 | unsigned int invalidate_cache; | |
370 | unsigned int create_serialize; | |
371 | unsigned int create_fsync; | |
372 | unsigned int end_fsync; | |
373 | unsigned int sync_io; | |
374 | unsigned int verify; | |
160b966d | 375 | unsigned int verifysort; |
9158d2f7 JA |
376 | unsigned int use_thread; |
377 | unsigned int unlink; | |
378 | unsigned int do_disk_util; | |
379 | unsigned int override_sync; | |
380 | unsigned int rand_repeatable; | |
381 | unsigned int write_lat_log; | |
382 | unsigned int write_bw_log; | |
bb8895e0 | 383 | unsigned int norandommap; |
690adba3 | 384 | unsigned int bs_unaligned; |
ebb1415f | 385 | unsigned int fsync_on_close; |
e9c047a0 | 386 | |
56bb17f2 | 387 | unsigned int hugepage_size; |
a00735e6 | 388 | unsigned int rw_min_bs; |
ebac4655 | 389 | unsigned int thinktime; |
48097d5c | 390 | unsigned int thinktime_spin; |
9c1f7434 | 391 | unsigned int thinktime_blocks; |
ebac4655 JA |
392 | unsigned int fsync_blocks; |
393 | unsigned int start_delay; | |
906c8d75 | 394 | unsigned long timeout; |
ebac4655 | 395 | unsigned int overwrite; |
ebac4655 | 396 | unsigned int bw_avg_time; |
ebac4655 | 397 | unsigned int loops; |
20dc95c4 JA |
398 | unsigned long long zone_size; |
399 | unsigned long long zone_skip; | |
e9c047a0 | 400 | enum fio_memtype mem_type; |
2dc1bbeb | 401 | |
ebac4655 | 402 | unsigned int stonewall; |
b3d62a75 | 403 | unsigned int new_group; |
ebac4655 | 404 | unsigned int numjobs; |
ebac4655 | 405 | os_cpu_mask_t cpumask; |
aea47d44 | 406 | unsigned int iolog; |
843a7413 | 407 | unsigned int read_iolog; |
a6ccc7be | 408 | unsigned int rwmixcycle; |
e47f799f | 409 | unsigned int rwmix[2]; |
b6f4d880 | 410 | unsigned int nice; |
0aabe160 | 411 | unsigned int file_service_type; |
b2560f3c | 412 | unsigned int group_reporting; |
d2f3ac35 | 413 | unsigned int fadvise_hint; |
e9459e5a | 414 | unsigned int zero_buffers; |
cf4464ca | 415 | unsigned int time_based; |
aea47d44 | 416 | |
076efc7c JA |
417 | char *read_iolog_file; |
418 | char *write_iolog_file; | |
2dc1bbeb JA |
419 | |
420 | /* | |
421 | * Pre-run and post-run shell | |
422 | */ | |
423 | char *exec_prerun; | |
424 | char *exec_postrun; | |
425 | ||
426 | unsigned int rate; | |
427 | unsigned int ratemin; | |
428 | unsigned int ratecycle; | |
429 | unsigned int rate_iops; | |
430 | unsigned int rate_iops_min; | |
431 | ||
432 | char *ioscheduler; | |
433 | ||
434 | /* | |
435 | * CPU "io" cycle burner | |
436 | */ | |
437 | unsigned int cpuload; | |
438 | unsigned int cpucycle; | |
439 | }; | |
440 | ||
e4e33258 JA |
441 | #define FIO_VERROR_SIZE 128 |
442 | ||
2dc1bbeb JA |
443 | /* |
444 | * This describes a single thread/process executing a fio job. | |
445 | */ | |
446 | struct thread_data { | |
447 | struct thread_options o; | |
e4e33258 | 448 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
449 | pthread_t thread; |
450 | int thread_number; | |
451 | int groupid; | |
452 | struct thread_stat ts; | |
453 | struct fio_file *files; | |
454 | unsigned int files_index; | |
455 | unsigned int nr_open_files; | |
1020a139 | 456 | unsigned int nr_done_files; |
2dc1bbeb JA |
457 | unsigned int nr_normal_files; |
458 | union { | |
459 | unsigned int next_file; | |
460 | os_random_state_t next_file_state; | |
461 | }; | |
462 | int error; | |
463 | pid_t pid; | |
464 | char *orig_buffer; | |
465 | size_t orig_buffer_size; | |
466 | volatile int terminate; | |
467 | volatile int runstate; | |
468 | unsigned int ioprio; | |
469 | unsigned int last_was_sync; | |
470 | ||
471 | char *mmapfile; | |
472 | int mmapfd; | |
473 | ||
843a7413 JA |
474 | void *iolog_buf; |
475 | FILE *iolog_f; | |
ebac4655 | 476 | |
da86774e | 477 | char *sysfs_root; |
da86774e | 478 | |
6dfd46b9 JA |
479 | os_random_state_t bsrange_state; |
480 | os_random_state_t verify_state; | |
ebac4655 JA |
481 | |
482 | int shm_id; | |
483 | ||
e9c047a0 JA |
484 | /* |
485 | * IO engine hooks, contains everything needed to submit an io_u | |
486 | * to any of the available IO engines. | |
487 | */ | |
2866c82d | 488 | struct ioengine_ops *io_ops; |
ebac4655 | 489 | |
e9c047a0 JA |
490 | /* |
491 | * Current IO depth and list of free and busy io_u's. | |
492 | */ | |
ebac4655 JA |
493 | unsigned int cur_depth; |
494 | struct list_head io_u_freelist; | |
495 | struct list_head io_u_busylist; | |
755200a3 | 496 | struct list_head io_u_requeues; |
cb5ab512 | 497 | unsigned int io_u_queued; |
ebac4655 | 498 | |
e9c047a0 JA |
499 | /* |
500 | * Rate state | |
501 | */ | |
ebac4655 JA |
502 | unsigned long rate_usec_cycle; |
503 | long rate_pending_usleep; | |
504 | unsigned long rate_bytes; | |
4e991c23 | 505 | unsigned long rate_blocks; |
ebac4655 JA |
506 | struct timeval lastrate; |
507 | ||
ebac4655 JA |
508 | unsigned long long total_io_size; |
509 | ||
755200a3 | 510 | unsigned long io_issues[2]; |
9104f874 JA |
511 | unsigned long long io_blocks[2]; |
512 | unsigned long long io_bytes[2]; | |
9104f874 | 513 | unsigned long long this_io_bytes[2]; |
079ad09b | 514 | unsigned long long zone_bytes; |
07739b57 | 515 | struct fio_sem *mutex; |
ebac4655 | 516 | |
e9c047a0 JA |
517 | /* |
518 | * State for random io, a bitmap of blocks done vs not done | |
519 | */ | |
6dfd46b9 | 520 | os_random_state_t random_state; |
ebac4655 | 521 | |
ebac4655 JA |
522 | struct timeval start; /* start of this loop */ |
523 | struct timeval epoch; /* time job was started */ | |
38d77cae JA |
524 | struct timeval rw_end[2]; |
525 | unsigned int rw_end_set[2]; | |
ebac4655 | 526 | |
e9c047a0 JA |
527 | /* |
528 | * read/write mixed workload state | |
529 | */ | |
6dfd46b9 | 530 | os_random_state_t rwmix_state; |
afe24a5a | 531 | unsigned long long rwmix_bytes; |
a6ccc7be | 532 | struct timeval rwmix_switch; |
e9c047a0 | 533 | enum fio_ddir rwmix_ddir; |
211097b2 | 534 | unsigned int ddir_nr; |
a6ccc7be | 535 | |
e9c047a0 | 536 | /* |
8de8f047 JA |
537 | * IO history logs for verification. We use a tree for sorting, |
538 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 539 | */ |
4b87898e | 540 | struct rb_root io_hist_tree; |
8de8f047 JA |
541 | struct list_head io_hist_list; |
542 | ||
543 | /* | |
544 | * For IO replaying | |
545 | */ | |
aea47d44 | 546 | struct list_head io_log_list; |
433afcb4 JA |
547 | |
548 | /* | |
549 | * timeout handling | |
550 | */ | |
551 | struct timeval timeout_end; | |
552 | struct itimerval timer; | |
1907dbc6 JA |
553 | |
554 | /* | |
555 | * for fileservice, how often to switch to a new file | |
556 | */ | |
557 | unsigned int file_service_nr; | |
558 | unsigned int file_service_left; | |
559 | struct fio_file *file_service_file; | |
9c60ce64 JA |
560 | |
561 | /* | |
562 | * For generating file sizes | |
563 | */ | |
564 | os_random_state_t file_size_state; | |
ebac4655 JA |
565 | }; |
566 | ||
0aabe160 JA |
567 | /* |
568 | * roundrobin available files, or choose one at random. | |
569 | */ | |
570 | enum { | |
571 | FIO_FSERVICE_RANDOM = 1, | |
572 | FIO_FSERVICE_RR = 2, | |
573 | }; | |
574 | ||
433afcb4 JA |
575 | /* |
576 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
577 | * the timer on each queue operation. | |
578 | */ | |
579 | #define IO_U_TIMEOUT_INC 5 | |
580 | #define IO_U_TIMEOUT 30 | |
581 | ||
e1161c32 | 582 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 583 | do { \ |
19abcd3d JA |
584 | if ((td)->error) \ |
585 | break; \ | |
ebac4655 JA |
586 | int e = (err); \ |
587 | (td)->error = e; \ | |
e1161c32 | 588 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
589 | } while (0) |
590 | ||
b990b5c0 | 591 | |
e1161c32 JA |
592 | #define td_verror(td, err, func) \ |
593 | __td_verror((td), (err), strerror((err)), (func)) | |
594 | #define td_vmsg(td, err, msg, func) \ | |
595 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 596 | |
ebac4655 JA |
597 | extern int exitall_on_terminate; |
598 | extern int thread_number; | |
9cedf167 | 599 | extern int nr_process, nr_thread; |
ebac4655 JA |
600 | extern int shm_id; |
601 | extern int groupid; | |
c6ae0a5b | 602 | extern int terse_output; |
eb8bbf48 JA |
603 | extern FILE *f_out; |
604 | extern FILE *f_err; | |
53cdc686 | 605 | extern int temp_stall_ts; |
1e97cce9 | 606 | extern unsigned long long mlock_size; |
cfc99db7 | 607 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
608 | |
609 | extern struct thread_data *threads; | |
610 | ||
2dc1bbeb JA |
611 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
612 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
613 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
614 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
615 | |
616 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 617 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
618 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
619 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
620 | |
621 | #define MAX_JOBS (1024) | |
622 | ||
87dc1ab1 JA |
623 | static inline int should_fsync(struct thread_data *td) |
624 | { | |
625 | if (td->last_was_sync) | |
626 | return 0; | |
2dc1bbeb | 627 | if (td->o.odirect) |
87dc1ab1 | 628 | return 0; |
2dc1bbeb | 629 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
630 | return 1; |
631 | ||
632 | return 0; | |
633 | } | |
634 | ||
1c9e06ee JA |
635 | /* |
636 | * Disk utils as read in /sys/block/<dev>/stat | |
637 | */ | |
ebac4655 JA |
638 | struct disk_util_stat { |
639 | unsigned ios[2]; | |
640 | unsigned merges[2]; | |
641 | unsigned long long sectors[2]; | |
642 | unsigned ticks[2]; | |
643 | unsigned io_ticks; | |
644 | unsigned time_in_queue; | |
645 | }; | |
646 | ||
1c9e06ee JA |
647 | /* |
648 | * Per-device disk util management | |
649 | */ | |
ebac4655 JA |
650 | struct disk_util { |
651 | struct list_head list; | |
652 | ||
653 | char *name; | |
e11c410c | 654 | char *sysfs_root; |
ebac4655 | 655 | char path[256]; |
07e5b264 | 656 | int major, minor; |
ebac4655 JA |
657 | |
658 | struct disk_util_stat dus; | |
659 | struct disk_util_stat last_dus; | |
660 | ||
661 | unsigned long msec; | |
662 | struct timeval time; | |
663 | }; | |
664 | ||
ebac4655 JA |
665 | #define DISK_UTIL_MSEC (250) |
666 | ||
6a0106a0 JA |
667 | #ifndef min |
668 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
669 | #endif | |
a00735e6 JA |
670 | #ifndef max |
671 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
672 | #endif | |
6a0106a0 | 673 | |
6796209a JA |
674 | /* |
675 | * Log exports | |
676 | */ | |
72cb971b | 677 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 678 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 679 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
680 | extern void log_io_piece(struct thread_data *, struct io_u *); |
681 | extern void prune_io_piece_log(struct thread_data *); | |
682 | extern void write_iolog_close(struct thread_data *); | |
683 | ||
684 | /* | |
685 | * Logging | |
686 | */ | |
1e97cce9 JA |
687 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
688 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
689 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
690 | extern void show_run_stats(void); |
691 | extern void init_disk_util(struct thread_data *); | |
692 | extern void update_rusage_stat(struct thread_data *); | |
693 | extern void update_io_ticks(void); | |
694 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
695 | extern void setup_log(struct io_log **); |
696 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 697 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
698 | extern struct io_log *agg_io_log[2]; |
699 | extern int write_bw_log; | |
700 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
701 | |
702 | /* | |
703 | * Time functions | |
704 | */ | |
705 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 706 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
707 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
708 | extern unsigned long mtime_since_now(struct timeval *); | |
709 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 710 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 711 | extern void __usec_sleep(unsigned int); |
6796209a | 712 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 713 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 714 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 715 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 716 | extern void set_genesis_time(void); |
6796209a | 717 | |
8914a9d8 | 718 | /* |
214e1eca | 719 | * Init/option functions |
8914a9d8 | 720 | */ |
72cb971b | 721 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
722 | extern int fio_option_parse(struct thread_data *, const char *); |
723 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
724 | extern void fio_fill_default_options(struct thread_data *); | |
725 | extern int fio_show_option_help(const char *); | |
726 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
727 | extern void options_mem_dupe(struct thread_data *); |
728 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
729 | #define FIO_GETOPT_JOB 0x89988998 |
730 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 731 | |
53cdc686 JA |
732 | /* |
733 | * File setup/shutdown | |
734 | */ | |
735 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
736 | extern int __must_check setup_files(struct thread_data *); |
737 | extern int __must_check open_files(struct thread_data *); | |
738 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
739 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
740 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 741 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
742 | extern void get_file(struct fio_file *); |
743 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 744 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 745 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 746 | extern void dup_files(struct thread_data *, struct thread_data *); |
53cdc686 | 747 | |
263e529f JA |
748 | /* |
749 | * ETA/status stuff | |
750 | */ | |
751 | extern void print_thread_status(void); | |
752 | extern void print_status_init(int); | |
753 | ||
9f8f2064 JA |
754 | /* |
755 | * disk util stuff | |
756 | */ | |
757 | #ifdef FIO_HAVE_DISK_UTIL | |
758 | extern void show_disk_util(void); | |
759 | extern void disk_util_timer_arm(void); | |
760 | extern void init_disk_util(struct thread_data *); | |
761 | extern void update_io_ticks(void); | |
762 | #else | |
763 | #define show_disk_util() | |
764 | #define disk_util_timer_arm() | |
765 | #define init_disk_util(td) | |
766 | #define update_io_ticks() | |
767 | #endif | |
768 | ||
263e529f JA |
769 | /* |
770 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
771 | * will never back again. It may cycle between running/verififying/fsyncing. | |
772 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
773 | * reap it. | |
774 | */ | |
775 | enum { | |
776 | TD_NOT_CREATED = 0, | |
777 | TD_CREATED, | |
778 | TD_INITIALIZED, | |
779 | TD_RUNNING, | |
780 | TD_VERIFYING, | |
781 | TD_FSYNCING, | |
782 | TD_EXITED, | |
783 | TD_REAPED, | |
784 | }; | |
785 | ||
e29d1b70 JA |
786 | /* |
787 | * Verify helpers | |
788 | */ | |
789 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 790 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 791 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 792 | |
2f9ade3c JA |
793 | /* |
794 | * Memory helpers | |
795 | */ | |
b2fdda43 | 796 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 797 | extern void fio_unpin_memory(void); |
b2fdda43 | 798 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
799 | extern void free_io_mem(struct thread_data *); |
800 | ||
10ba535a JA |
801 | /* |
802 | * io unit handling | |
803 | */ | |
804 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
805 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 806 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 807 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 808 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
809 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
810 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 811 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 812 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
813 | extern void io_u_init_timeout(void); |
814 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 815 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
816 | |
817 | /* | |
818 | * io engine entry points | |
819 | */ | |
b2fdda43 JA |
820 | extern int __must_check td_io_init(struct thread_data *); |
821 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
822 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
823 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
824 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
825 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
826 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
827 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 828 | |
3b70d7e5 JA |
829 | /* |
830 | * If logging output to a file, stderr should go to both stderr and f_err | |
831 | */ | |
832 | #define log_err(args...) do { \ | |
833 | fprintf(f_err, ##args); \ | |
834 | if (f_err != stderr) \ | |
835 | fprintf(stderr, ##args); \ | |
836 | } while (0) | |
837 | ||
9c60ce64 JA |
838 | #define log_info(args...) fprintf(f_out, ##args) |
839 | ||
9728ce37 JB |
840 | FILE *get_f_out(void); |
841 | FILE *get_f_err(void); | |
842 | ||
2866c82d | 843 | struct ioengine_ops { |
5f350952 | 844 | struct list_head list; |
2866c82d JA |
845 | char name[16]; |
846 | int version; | |
847 | int flags; | |
ea2877a4 | 848 | int (*setup)(struct thread_data *); |
2866c82d JA |
849 | int (*init)(struct thread_data *); |
850 | int (*prep)(struct thread_data *, struct io_u *); | |
851 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 852 | int (*commit)(struct thread_data *); |
2866c82d JA |
853 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
854 | struct io_u *(*event)(struct thread_data *, int); | |
855 | int (*cancel)(struct thread_data *, struct io_u *); | |
856 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
857 | int (*open_file)(struct thread_data *, struct fio_file *); |
858 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
859 | void *data; |
860 | void *dlhandle; | |
861 | }; | |
862 | ||
2c187c0f | 863 | #define FIO_IOOPS_VERSION 7 |
2866c82d | 864 | |
b4692828 | 865 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 866 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 867 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
868 | extern void close_ioengine(struct thread_data *); |
869 | ||
870 | /* | |
871 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
872 | */ | |
873 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
874 | #define fio_init __attribute__((constructor)) |
875 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 876 | |
34572e28 JA |
877 | #define for_each_td(td, i) \ |
878 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 879 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 880 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 881 | |
0032bf9f JA |
882 | #define fio_assert(td, cond) do { \ |
883 | if (!(cond)) { \ | |
340fd243 | 884 | int *__foo = NULL; \ |
0032bf9f JA |
885 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
886 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 887 | (td)->error = EFAULT; \ |
340fd243 | 888 | *__foo = 0; \ |
0032bf9f JA |
889 | } \ |
890 | } while (0) | |
891 | ||
9bf27b45 JA |
892 | static inline void clear_error(struct thread_data *td) |
893 | { | |
894 | td->error = 0; | |
895 | td->verror[0] = '\0'; | |
896 | } | |
897 | ||
ebac4655 | 898 | #endif |