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 JA |
15 | |
16 | #include "list.h" | |
17 | #include "md5.h" | |
18 | #include "crc32.h" | |
19 | #include "arch.h" | |
20 | #include "os.h" | |
07739b57 | 21 | #include "mutex.h" |
ebac4655 | 22 | |
b6959b55 | 23 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 24 | #include "syslet.h" |
b6959b55 | 25 | #endif |
a4f4fdd7 | 26 | |
609342ff DL |
27 | #ifdef FIO_HAVE_GUASI |
28 | #include <guasi.h> | |
29 | #endif | |
30 | ||
1e97cce9 JA |
31 | enum fio_ddir { |
32 | DDIR_READ = 0, | |
33 | DDIR_WRITE, | |
34 | DDIR_SYNC, | |
35 | }; | |
36 | ||
413dd459 | 37 | enum td_ddir { |
b1ec1da6 JA |
38 | TD_DDIR_READ = 1 << 0, |
39 | TD_DDIR_WRITE = 1 << 1, | |
40 | TD_DDIR_RAND = 1 << 2, | |
41 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
42 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 43 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 44 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
45 | }; |
46 | ||
1c9e06ee JA |
47 | /* |
48 | * Use for maintaining statistics | |
49 | */ | |
ebac4655 | 50 | struct io_stat { |
ebac4655 JA |
51 | unsigned long max_val; |
52 | unsigned long min_val; | |
53 | unsigned long samples; | |
68704084 JA |
54 | |
55 | double mean; | |
56 | double S; | |
ebac4655 JA |
57 | }; |
58 | ||
1c9e06ee JA |
59 | /* |
60 | * A single data sample | |
61 | */ | |
ebac4655 JA |
62 | struct io_sample { |
63 | unsigned long time; | |
64 | unsigned long val; | |
1e97cce9 | 65 | enum fio_ddir ddir; |
ebac4655 JA |
66 | }; |
67 | ||
1c9e06ee JA |
68 | /* |
69 | * Dynamically growing data sample log | |
70 | */ | |
ebac4655 JA |
71 | struct io_log { |
72 | unsigned long nr_samples; | |
73 | unsigned long max_samples; | |
74 | struct io_sample *log; | |
75 | }; | |
76 | ||
1c9e06ee JA |
77 | /* |
78 | * When logging io actions, this matches a single sent io_u | |
79 | */ | |
ebac4655 JA |
80 | struct io_piece { |
81 | struct list_head list; | |
53cdc686 | 82 | struct fio_file *file; |
ebac4655 | 83 | unsigned long long offset; |
a4f4fdd7 | 84 | unsigned long len; |
1e97cce9 | 85 | enum fio_ddir ddir; |
ebac4655 JA |
86 | }; |
87 | ||
a4f4fdd7 JA |
88 | #ifdef FIO_HAVE_SYSLET |
89 | struct syslet_req { | |
5b38ee84 JA |
90 | struct syslet_uatom atom; /* the atom to submit */ |
91 | struct syslet_uatom *head; /* head of the sequence */ | |
92 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
93 | }; |
94 | #endif | |
95 | ||
0c6e7517 JA |
96 | enum { |
97 | IO_U_F_FREE = 1 << 0, | |
98 | IO_U_F_FLIGHT = 1 << 1, | |
99 | }; | |
100 | ||
ebac4655 JA |
101 | /* |
102 | * The io unit | |
103 | */ | |
104 | struct io_u { | |
105 | union { | |
106 | #ifdef FIO_HAVE_LIBAIO | |
107 | struct iocb iocb; | |
108 | #endif | |
109 | #ifdef FIO_HAVE_POSIXAIO | |
110 | struct aiocb aiocb; | |
111 | #endif | |
112 | #ifdef FIO_HAVE_SGIO | |
113 | struct sg_io_hdr hdr; | |
a4f4fdd7 JA |
114 | #endif |
115 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 116 | struct syslet_req req; |
609342ff DL |
117 | #endif |
118 | #ifdef FIO_HAVE_GUASI | |
119 | guasi_req_t greq; | |
ebac4655 JA |
120 | #endif |
121 | }; | |
122 | struct timeval start_time; | |
123 | struct timeval issue_time; | |
124 | ||
1c9e06ee JA |
125 | /* |
126 | * Allocated/set buffer and length | |
127 | */ | |
6b9cea23 | 128 | void *buf; |
a4f4fdd7 | 129 | unsigned long buflen; |
ebac4655 JA |
130 | unsigned long long offset; |
131 | ||
1c9e06ee JA |
132 | /* |
133 | * IO engine state, may be different from above when we get | |
134 | * partial transfers / residual data counts | |
135 | */ | |
cec6b55d | 136 | void *xfer_buf; |
a4f4fdd7 | 137 | unsigned long xfer_buflen; |
cec6b55d | 138 | |
ebac4655 JA |
139 | unsigned int resid; |
140 | unsigned int error; | |
141 | ||
1e97cce9 | 142 | enum fio_ddir ddir; |
ebac4655 | 143 | |
dfd7bc2c JA |
144 | /* |
145 | * io engine private data | |
146 | */ | |
147 | union { | |
148 | unsigned int index; | |
149 | unsigned int seen; | |
150 | }; | |
151 | ||
0c6e7517 JA |
152 | unsigned int flags; |
153 | ||
53cdc686 JA |
154 | struct fio_file *file; |
155 | ||
ebac4655 | 156 | struct list_head list; |
d7762cf8 JA |
157 | |
158 | /* | |
159 | * Callback for io completion | |
160 | */ | |
161 | int (*end_io)(struct io_u *); | |
ebac4655 JA |
162 | }; |
163 | ||
36167d82 JA |
164 | /* |
165 | * io_ops->queue() return values | |
166 | */ | |
167 | enum { | |
168 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
169 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 170 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
171 | }; |
172 | ||
ebac4655 JA |
173 | #define FIO_HDR_MAGIC 0xf00baaef |
174 | ||
175 | enum { | |
1c9e06ee JA |
176 | VERIFY_NONE = 0, /* no verification */ |
177 | VERIFY_MD5, /* md5 sum data blocks */ | |
178 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
ebac4655 JA |
179 | }; |
180 | ||
1c9e06ee JA |
181 | /* |
182 | * A header structure associated with each checksummed data block | |
183 | */ | |
ebac4655 JA |
184 | struct verify_header { |
185 | unsigned int fio_magic; | |
186 | unsigned int len; | |
187 | unsigned int verify_type; | |
188 | union { | |
189 | char md5_digest[MD5_HASH_WORDS * 4]; | |
190 | unsigned long crc32; | |
191 | }; | |
192 | }; | |
193 | ||
194 | struct group_run_stats { | |
9104f874 JA |
195 | unsigned long long max_run[2], min_run[2]; |
196 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 197 | unsigned long long io_kb[2]; |
9104f874 | 198 | unsigned long long agg[2]; |
ebac4655 JA |
199 | }; |
200 | ||
e9c047a0 JA |
201 | /* |
202 | * What type of allocation to use for io buffers | |
203 | */ | |
204 | enum fio_memtype { | |
205 | MEM_MALLOC = 0, /* ordinary malloc */ | |
206 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 207 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 208 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 209 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
210 | }; |
211 | ||
212 | /* | |
213 | * The type of object we are working on | |
214 | */ | |
215 | enum fio_filetype { | |
1c9e06ee JA |
216 | FIO_TYPE_FILE = 1, /* plain file */ |
217 | FIO_TYPE_BD, /* block device */ | |
218 | FIO_TYPE_CHAR, /* character device */ | |
e9c047a0 JA |
219 | }; |
220 | ||
2866c82d | 221 | enum fio_ioengine_flags { |
1c9e06ee | 222 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
223 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
224 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 225 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 226 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
e9c047a0 JA |
227 | }; |
228 | ||
f11bd94d | 229 | enum fio_file_flags { |
0ad920e7 JA |
230 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
231 | FIO_FILE_UNLINK = 1 << 1, /* unlink on close */ | |
232 | FIO_FILE_CLOSING = 1 << 2, /* file being closed */ | |
96d32d51 | 233 | FIO_FILE_EXISTS = 1 << 3, /* no need to create */ |
f11bd94d JA |
234 | }; |
235 | ||
1c9e06ee JA |
236 | /* |
237 | * Each thread_data structure has a number of files associated with it, | |
238 | * this structure holds state information for a single file. | |
239 | */ | |
53cdc686 | 240 | struct fio_file { |
af52b345 JA |
241 | enum fio_filetype filetype; |
242 | ||
53cdc686 JA |
243 | /* |
244 | * A file may not be a file descriptor, let the io engine decide | |
245 | */ | |
246 | union { | |
247 | unsigned long file_data; | |
e26f8f7a | 248 | int fd; |
53cdc686 | 249 | }; |
1315a68a | 250 | char *file_name; |
53cdc686 JA |
251 | void *mmap; |
252 | unsigned long long file_size; | |
253 | unsigned long long real_file_size; | |
254 | unsigned long long file_offset; | |
255 | unsigned long long last_pos; | |
02bcaa8c | 256 | unsigned long long last_completed_pos; |
53cdc686 | 257 | |
1c9e06ee JA |
258 | /* |
259 | * block map for random io | |
260 | */ | |
53cdc686 JA |
261 | unsigned long *file_map; |
262 | unsigned int num_maps; | |
1c9e06ee | 263 | unsigned int last_free_lookup; |
9b031dc8 | 264 | |
0ad920e7 | 265 | int references; |
f11bd94d | 266 | enum fio_file_flags flags; |
53cdc686 JA |
267 | }; |
268 | ||
b2560f3c JA |
269 | /* |
270 | * How many depth levels to log | |
271 | */ | |
272 | #define FIO_IO_U_MAP_NR 8 | |
273 | #define FIO_IO_U_LAT_NR 12 | |
274 | ||
079ad09b | 275 | struct thread_stat { |
756867bd JA |
276 | char *name; |
277 | char *verror; | |
278 | int error; | |
279 | int groupid; | |
280 | pid_t pid; | |
281 | char *description; | |
6586ee89 | 282 | int members; |
756867bd | 283 | |
079ad09b JA |
284 | struct io_log *slat_log; |
285 | struct io_log *clat_log; | |
286 | struct io_log *bw_log; | |
287 | ||
288 | /* | |
289 | * bandwidth and latency stats | |
290 | */ | |
291 | struct io_stat clat_stat[2]; /* completion latency */ | |
292 | struct io_stat slat_stat[2]; /* submission latency */ | |
293 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
294 | ||
295 | unsigned long long stat_io_bytes[2]; | |
296 | struct timeval stat_sample_time[2]; | |
297 | ||
298 | /* | |
299 | * fio system usage accounting | |
300 | */ | |
301 | struct rusage ru_start; | |
302 | struct rusage ru_end; | |
303 | unsigned long usr_time; | |
304 | unsigned long sys_time; | |
305 | unsigned long ctx; | |
079ad09b | 306 | |
b2560f3c JA |
307 | /* |
308 | * IO depth and latency stats | |
309 | */ | |
310 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
311 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 312 | unsigned long total_io_u[2]; |
756867bd JA |
313 | |
314 | unsigned long long io_bytes[2]; | |
315 | unsigned long runtime[2]; | |
316 | unsigned long total_run_time; | |
b2560f3c | 317 | }; |
71619dc2 | 318 | |
2dc1bbeb | 319 | struct thread_options { |
b1ec1da6 | 320 | int pad; |
61697c37 | 321 | char *description; |
b4692828 | 322 | char *name; |
ef899b63 | 323 | char *directory; |
13f8e2d2 | 324 | char *filename; |
2dc1bbeb | 325 | char *opendir; |
09629a90 | 326 | char *ioengine; |
413dd459 | 327 | enum td_ddir td_ddir; |
211097b2 | 328 | unsigned int ddir_nr; |
2dc1bbeb JA |
329 | unsigned int iodepth; |
330 | unsigned int iodepth_low; | |
331 | unsigned int iodepth_batch; | |
332 | ||
333 | unsigned long long size; | |
334 | unsigned long long file_size_low; | |
335 | unsigned long long file_size_high; | |
336 | unsigned long long start_offset; | |
337 | ||
338 | unsigned int bs[2]; | |
339 | unsigned int min_bs[2]; | |
340 | unsigned int max_bs[2]; | |
341 | ||
342 | unsigned int nr_files; | |
343 | unsigned int open_files; | |
e9c047a0 | 344 | |
9158d2f7 JA |
345 | unsigned int odirect; |
346 | unsigned int invalidate_cache; | |
347 | unsigned int create_serialize; | |
348 | unsigned int create_fsync; | |
349 | unsigned int end_fsync; | |
350 | unsigned int sync_io; | |
351 | unsigned int verify; | |
352 | unsigned int use_thread; | |
353 | unsigned int unlink; | |
354 | unsigned int do_disk_util; | |
355 | unsigned int override_sync; | |
356 | unsigned int rand_repeatable; | |
357 | unsigned int write_lat_log; | |
358 | unsigned int write_bw_log; | |
bb8895e0 | 359 | unsigned int norandommap; |
690adba3 | 360 | unsigned int bs_unaligned; |
ebb1415f | 361 | unsigned int fsync_on_close; |
e9c047a0 | 362 | |
56bb17f2 | 363 | unsigned int hugepage_size; |
a00735e6 | 364 | unsigned int rw_min_bs; |
ebac4655 | 365 | unsigned int thinktime; |
48097d5c | 366 | unsigned int thinktime_spin; |
9c1f7434 | 367 | unsigned int thinktime_blocks; |
ebac4655 JA |
368 | unsigned int fsync_blocks; |
369 | unsigned int start_delay; | |
906c8d75 | 370 | unsigned long timeout; |
ebac4655 | 371 | unsigned int overwrite; |
ebac4655 | 372 | unsigned int bw_avg_time; |
ebac4655 | 373 | unsigned int loops; |
20dc95c4 JA |
374 | unsigned long long zone_size; |
375 | unsigned long long zone_skip; | |
e9c047a0 | 376 | enum fio_memtype mem_type; |
2dc1bbeb | 377 | |
ebac4655 | 378 | unsigned int stonewall; |
b3d62a75 | 379 | unsigned int new_group; |
ebac4655 | 380 | unsigned int numjobs; |
ebac4655 | 381 | os_cpu_mask_t cpumask; |
aea47d44 | 382 | unsigned int iolog; |
843a7413 | 383 | unsigned int read_iolog; |
a6ccc7be | 384 | unsigned int rwmixcycle; |
e47f799f | 385 | unsigned int rwmix[2]; |
b6f4d880 | 386 | unsigned int nice; |
0aabe160 | 387 | unsigned int file_service_type; |
b2560f3c | 388 | unsigned int group_reporting; |
d2f3ac35 | 389 | unsigned int fadvise_hint; |
aea47d44 | 390 | |
076efc7c JA |
391 | char *read_iolog_file; |
392 | char *write_iolog_file; | |
2dc1bbeb JA |
393 | |
394 | /* | |
395 | * Pre-run and post-run shell | |
396 | */ | |
397 | char *exec_prerun; | |
398 | char *exec_postrun; | |
399 | ||
400 | unsigned int rate; | |
401 | unsigned int ratemin; | |
402 | unsigned int ratecycle; | |
403 | unsigned int rate_iops; | |
404 | unsigned int rate_iops_min; | |
405 | ||
406 | char *ioscheduler; | |
407 | ||
408 | /* | |
409 | * CPU "io" cycle burner | |
410 | */ | |
411 | unsigned int cpuload; | |
412 | unsigned int cpucycle; | |
413 | }; | |
414 | ||
e4e33258 JA |
415 | #define FIO_VERROR_SIZE 128 |
416 | ||
2dc1bbeb JA |
417 | /* |
418 | * This describes a single thread/process executing a fio job. | |
419 | */ | |
420 | struct thread_data { | |
421 | struct thread_options o; | |
e4e33258 | 422 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
423 | pthread_t thread; |
424 | int thread_number; | |
425 | int groupid; | |
426 | struct thread_stat ts; | |
427 | struct fio_file *files; | |
428 | unsigned int files_index; | |
429 | unsigned int nr_open_files; | |
430 | unsigned int nr_normal_files; | |
431 | union { | |
432 | unsigned int next_file; | |
433 | os_random_state_t next_file_state; | |
434 | }; | |
435 | int error; | |
436 | pid_t pid; | |
437 | char *orig_buffer; | |
438 | size_t orig_buffer_size; | |
439 | volatile int terminate; | |
440 | volatile int runstate; | |
441 | unsigned int ioprio; | |
442 | unsigned int last_was_sync; | |
443 | ||
444 | char *mmapfile; | |
445 | int mmapfd; | |
446 | ||
843a7413 JA |
447 | void *iolog_buf; |
448 | FILE *iolog_f; | |
ebac4655 | 449 | |
da86774e | 450 | char *sysfs_root; |
da86774e | 451 | |
6dfd46b9 JA |
452 | os_random_state_t bsrange_state; |
453 | os_random_state_t verify_state; | |
ebac4655 JA |
454 | |
455 | int shm_id; | |
456 | ||
e9c047a0 JA |
457 | /* |
458 | * IO engine hooks, contains everything needed to submit an io_u | |
459 | * to any of the available IO engines. | |
460 | */ | |
2866c82d | 461 | struct ioengine_ops *io_ops; |
ebac4655 | 462 | |
e9c047a0 JA |
463 | /* |
464 | * Current IO depth and list of free and busy io_u's. | |
465 | */ | |
ebac4655 JA |
466 | unsigned int cur_depth; |
467 | struct list_head io_u_freelist; | |
468 | struct list_head io_u_busylist; | |
755200a3 | 469 | struct list_head io_u_requeues; |
cb5ab512 | 470 | unsigned int io_u_queued; |
ebac4655 | 471 | |
e9c047a0 JA |
472 | /* |
473 | * Rate state | |
474 | */ | |
ebac4655 JA |
475 | unsigned long rate_usec_cycle; |
476 | long rate_pending_usleep; | |
477 | unsigned long rate_bytes; | |
4e991c23 | 478 | unsigned long rate_blocks; |
ebac4655 JA |
479 | struct timeval lastrate; |
480 | ||
ebac4655 JA |
481 | unsigned long long io_size; |
482 | unsigned long long total_io_size; | |
483 | ||
755200a3 | 484 | unsigned long io_issues[2]; |
9104f874 JA |
485 | unsigned long long io_blocks[2]; |
486 | unsigned long long io_bytes[2]; | |
9104f874 | 487 | unsigned long long this_io_bytes[2]; |
079ad09b | 488 | unsigned long long zone_bytes; |
07739b57 | 489 | struct fio_sem *mutex; |
ebac4655 | 490 | |
e9c047a0 JA |
491 | /* |
492 | * State for random io, a bitmap of blocks done vs not done | |
493 | */ | |
6dfd46b9 | 494 | os_random_state_t random_state; |
ebac4655 | 495 | |
ebac4655 JA |
496 | struct timeval start; /* start of this loop */ |
497 | struct timeval epoch; /* time job was started */ | |
38d77cae JA |
498 | struct timeval rw_end[2]; |
499 | unsigned int rw_end_set[2]; | |
ebac4655 | 500 | |
e9c047a0 JA |
501 | /* |
502 | * read/write mixed workload state | |
503 | */ | |
6dfd46b9 | 504 | os_random_state_t rwmix_state; |
afe24a5a | 505 | unsigned long long rwmix_bytes; |
a6ccc7be | 506 | struct timeval rwmix_switch; |
e9c047a0 | 507 | enum fio_ddir rwmix_ddir; |
211097b2 | 508 | unsigned int ddir_nr; |
a6ccc7be | 509 | |
e9c047a0 JA |
510 | /* |
511 | * IO historic logs | |
512 | */ | |
ebac4655 | 513 | struct list_head io_hist_list; |
aea47d44 | 514 | struct list_head io_log_list; |
433afcb4 JA |
515 | |
516 | /* | |
517 | * timeout handling | |
518 | */ | |
519 | struct timeval timeout_end; | |
520 | struct itimerval timer; | |
1907dbc6 JA |
521 | |
522 | /* | |
523 | * for fileservice, how often to switch to a new file | |
524 | */ | |
525 | unsigned int file_service_nr; | |
526 | unsigned int file_service_left; | |
527 | struct fio_file *file_service_file; | |
9c60ce64 JA |
528 | |
529 | /* | |
530 | * For generating file sizes | |
531 | */ | |
532 | os_random_state_t file_size_state; | |
ebac4655 JA |
533 | }; |
534 | ||
0aabe160 JA |
535 | /* |
536 | * roundrobin available files, or choose one at random. | |
537 | */ | |
538 | enum { | |
539 | FIO_FSERVICE_RANDOM = 1, | |
540 | FIO_FSERVICE_RR = 2, | |
541 | }; | |
542 | ||
433afcb4 JA |
543 | /* |
544 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
545 | * the timer on each queue operation. | |
546 | */ | |
547 | #define IO_U_TIMEOUT_INC 5 | |
548 | #define IO_U_TIMEOUT 30 | |
549 | ||
e1161c32 | 550 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 551 | do { \ |
19abcd3d JA |
552 | if ((td)->error) \ |
553 | break; \ | |
ebac4655 JA |
554 | int e = (err); \ |
555 | (td)->error = e; \ | |
e1161c32 | 556 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
557 | } while (0) |
558 | ||
b990b5c0 | 559 | |
e1161c32 JA |
560 | #define td_verror(td, err, func) \ |
561 | __td_verror((td), (err), strerror((err)), (func)) | |
562 | #define td_vmsg(td, err, msg, func) \ | |
563 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 564 | |
ebac4655 JA |
565 | extern int exitall_on_terminate; |
566 | extern int thread_number; | |
9cedf167 | 567 | extern int nr_process, nr_thread; |
ebac4655 JA |
568 | extern int shm_id; |
569 | extern int groupid; | |
c6ae0a5b | 570 | extern int terse_output; |
eb8bbf48 JA |
571 | extern FILE *f_out; |
572 | extern FILE *f_err; | |
53cdc686 | 573 | extern int temp_stall_ts; |
1e97cce9 | 574 | extern unsigned long long mlock_size; |
cfc99db7 | 575 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
576 | |
577 | extern struct thread_data *threads; | |
578 | ||
2dc1bbeb JA |
579 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
580 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
581 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
582 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
583 | |
584 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 585 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
586 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
587 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
588 | |
589 | #define MAX_JOBS (1024) | |
590 | ||
87dc1ab1 JA |
591 | static inline int should_fsync(struct thread_data *td) |
592 | { | |
593 | if (td->last_was_sync) | |
594 | return 0; | |
2dc1bbeb | 595 | if (td->o.odirect) |
87dc1ab1 | 596 | return 0; |
2dc1bbeb | 597 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
598 | return 1; |
599 | ||
600 | return 0; | |
601 | } | |
602 | ||
1c9e06ee JA |
603 | /* |
604 | * Disk utils as read in /sys/block/<dev>/stat | |
605 | */ | |
ebac4655 JA |
606 | struct disk_util_stat { |
607 | unsigned ios[2]; | |
608 | unsigned merges[2]; | |
609 | unsigned long long sectors[2]; | |
610 | unsigned ticks[2]; | |
611 | unsigned io_ticks; | |
612 | unsigned time_in_queue; | |
613 | }; | |
614 | ||
1c9e06ee JA |
615 | /* |
616 | * Per-device disk util management | |
617 | */ | |
ebac4655 JA |
618 | struct disk_util { |
619 | struct list_head list; | |
620 | ||
621 | char *name; | |
622 | char path[256]; | |
623 | dev_t dev; | |
624 | ||
625 | struct disk_util_stat dus; | |
626 | struct disk_util_stat last_dus; | |
627 | ||
628 | unsigned long msec; | |
629 | struct timeval time; | |
630 | }; | |
631 | ||
ebac4655 JA |
632 | #define DISK_UTIL_MSEC (250) |
633 | ||
6a0106a0 JA |
634 | #ifndef min |
635 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
636 | #endif | |
a00735e6 JA |
637 | #ifndef max |
638 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
639 | #endif | |
6a0106a0 | 640 | |
6796209a JA |
641 | /* |
642 | * Log exports | |
643 | */ | |
72cb971b | 644 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 645 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 646 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
647 | extern void log_io_piece(struct thread_data *, struct io_u *); |
648 | extern void prune_io_piece_log(struct thread_data *); | |
649 | extern void write_iolog_close(struct thread_data *); | |
650 | ||
651 | /* | |
652 | * Logging | |
653 | */ | |
1e97cce9 JA |
654 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
655 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
656 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
657 | extern void show_run_stats(void); |
658 | extern void init_disk_util(struct thread_data *); | |
659 | extern void update_rusage_stat(struct thread_data *); | |
660 | extern void update_io_ticks(void); | |
661 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
662 | extern void setup_log(struct io_log **); |
663 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 664 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
665 | extern struct io_log *agg_io_log[2]; |
666 | extern int write_bw_log; | |
667 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
668 | |
669 | /* | |
670 | * Time functions | |
671 | */ | |
672 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 673 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
674 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
675 | extern unsigned long mtime_since_now(struct timeval *); | |
676 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 677 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 678 | extern void __usec_sleep(unsigned int); |
6796209a | 679 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 680 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 681 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 682 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 683 | extern void set_genesis_time(void); |
6796209a | 684 | |
8914a9d8 | 685 | /* |
214e1eca | 686 | * Init/option functions |
8914a9d8 | 687 | */ |
72cb971b | 688 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
689 | extern int fio_option_parse(struct thread_data *, const char *); |
690 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
691 | extern void fio_fill_default_options(struct thread_data *); | |
692 | extern int fio_show_option_help(const char *); | |
693 | extern void fio_options_dup_and_init(struct option *); | |
694 | #define FIO_GETOPT_JOB 0x89988998 | |
695 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 696 | |
53cdc686 JA |
697 | /* |
698 | * File setup/shutdown | |
699 | */ | |
700 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
701 | extern int __must_check setup_files(struct thread_data *); |
702 | extern int __must_check open_files(struct thread_data *); | |
703 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
704 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
705 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 706 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
707 | extern void get_file(struct fio_file *); |
708 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 709 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 710 | extern int init_random_map(struct thread_data *); |
53cdc686 | 711 | |
263e529f JA |
712 | /* |
713 | * ETA/status stuff | |
714 | */ | |
715 | extern void print_thread_status(void); | |
716 | extern void print_status_init(int); | |
717 | ||
718 | /* | |
719 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
720 | * will never back again. It may cycle between running/verififying/fsyncing. | |
721 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
722 | * reap it. | |
723 | */ | |
724 | enum { | |
725 | TD_NOT_CREATED = 0, | |
726 | TD_CREATED, | |
727 | TD_INITIALIZED, | |
728 | TD_RUNNING, | |
729 | TD_VERIFYING, | |
730 | TD_FSYNCING, | |
731 | TD_EXITED, | |
732 | TD_REAPED, | |
733 | }; | |
734 | ||
e29d1b70 JA |
735 | /* |
736 | * Verify helpers | |
737 | */ | |
738 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 JA |
739 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
740 | extern int __must_check verify_io_u(struct io_u *); | |
e29d1b70 | 741 | |
2f9ade3c JA |
742 | /* |
743 | * Memory helpers | |
744 | */ | |
b2fdda43 | 745 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 746 | extern void fio_unpin_memory(void); |
b2fdda43 | 747 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
748 | extern void free_io_mem(struct thread_data *); |
749 | ||
10ba535a JA |
750 | /* |
751 | * io unit handling | |
752 | */ | |
753 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
754 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 755 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 756 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 757 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
758 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
759 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 760 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 761 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
762 | extern void io_u_init_timeout(void); |
763 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 764 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
765 | |
766 | /* | |
767 | * io engine entry points | |
768 | */ | |
b2fdda43 JA |
769 | extern int __must_check td_io_init(struct thread_data *); |
770 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
771 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
772 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
773 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
774 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
775 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
776 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 777 | |
3b70d7e5 JA |
778 | /* |
779 | * If logging output to a file, stderr should go to both stderr and f_err | |
780 | */ | |
781 | #define log_err(args...) do { \ | |
782 | fprintf(f_err, ##args); \ | |
783 | if (f_err != stderr) \ | |
784 | fprintf(stderr, ##args); \ | |
785 | } while (0) | |
786 | ||
9c60ce64 JA |
787 | #define log_info(args...) fprintf(f_out, ##args) |
788 | ||
9728ce37 JB |
789 | FILE *get_f_out(void); |
790 | FILE *get_f_err(void); | |
791 | ||
2866c82d | 792 | struct ioengine_ops { |
5f350952 | 793 | struct list_head list; |
2866c82d JA |
794 | char name[16]; |
795 | int version; | |
796 | int flags; | |
ea2877a4 | 797 | int (*setup)(struct thread_data *); |
2866c82d JA |
798 | int (*init)(struct thread_data *); |
799 | int (*prep)(struct thread_data *, struct io_u *); | |
800 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 801 | int (*commit)(struct thread_data *); |
2866c82d JA |
802 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
803 | struct io_u *(*event)(struct thread_data *, int); | |
804 | int (*cancel)(struct thread_data *, struct io_u *); | |
805 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
806 | int (*open_file)(struct thread_data *, struct fio_file *); |
807 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
808 | void *data; |
809 | void *dlhandle; | |
810 | }; | |
811 | ||
b5af8293 | 812 | #define FIO_IOOPS_VERSION 6 |
2866c82d | 813 | |
b4692828 | 814 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 815 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 816 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
817 | extern void close_ioengine(struct thread_data *); |
818 | ||
819 | /* | |
820 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
821 | */ | |
822 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
823 | #define fio_init __attribute__((constructor)) |
824 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 825 | |
34572e28 JA |
826 | #define for_each_td(td, i) \ |
827 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 828 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 829 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 830 | |
0032bf9f JA |
831 | #define fio_assert(td, cond) do { \ |
832 | if (!(cond)) { \ | |
340fd243 | 833 | int *__foo = NULL; \ |
0032bf9f JA |
834 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
835 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 836 | (td)->error = EFAULT; \ |
340fd243 | 837 | *__foo = 0; \ |
0032bf9f JA |
838 | } \ |
839 | } while (0) | |
840 | ||
ebac4655 | 841 | #endif |