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 JA |
15 | |
16 | #include "list.h" | |
4b87898e | 17 | #include "rbtree.h" |
ebac4655 JA |
18 | #include "md5.h" |
19 | #include "crc32.h" | |
20 | #include "arch.h" | |
21 | #include "os.h" | |
07739b57 | 22 | #include "mutex.h" |
ebac4655 | 23 | |
b6959b55 | 24 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 25 | #include "syslet.h" |
b6959b55 | 26 | #endif |
a4f4fdd7 | 27 | |
609342ff DL |
28 | #ifdef FIO_HAVE_GUASI |
29 | #include <guasi.h> | |
30 | #endif | |
31 | ||
1e97cce9 JA |
32 | enum fio_ddir { |
33 | DDIR_READ = 0, | |
34 | DDIR_WRITE, | |
35 | DDIR_SYNC, | |
36 | }; | |
37 | ||
413dd459 | 38 | enum td_ddir { |
b1ec1da6 JA |
39 | TD_DDIR_READ = 1 << 0, |
40 | TD_DDIR_WRITE = 1 << 1, | |
41 | TD_DDIR_RAND = 1 << 2, | |
42 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
43 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 44 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 45 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
46 | }; |
47 | ||
1c9e06ee JA |
48 | /* |
49 | * Use for maintaining statistics | |
50 | */ | |
ebac4655 | 51 | struct io_stat { |
ebac4655 JA |
52 | unsigned long max_val; |
53 | unsigned long min_val; | |
54 | unsigned long samples; | |
68704084 JA |
55 | |
56 | double mean; | |
57 | double S; | |
ebac4655 JA |
58 | }; |
59 | ||
1c9e06ee JA |
60 | /* |
61 | * A single data sample | |
62 | */ | |
ebac4655 JA |
63 | struct io_sample { |
64 | unsigned long time; | |
65 | unsigned long val; | |
1e97cce9 | 66 | enum fio_ddir ddir; |
ebac4655 JA |
67 | }; |
68 | ||
1c9e06ee JA |
69 | /* |
70 | * Dynamically growing data sample log | |
71 | */ | |
ebac4655 JA |
72 | struct io_log { |
73 | unsigned long nr_samples; | |
74 | unsigned long max_samples; | |
75 | struct io_sample *log; | |
76 | }; | |
77 | ||
1c9e06ee JA |
78 | /* |
79 | * When logging io actions, this matches a single sent io_u | |
80 | */ | |
ebac4655 | 81 | struct io_piece { |
4b87898e JA |
82 | union { |
83 | struct rb_node rb_node; | |
84 | struct list_head list; | |
85 | }; | |
53cdc686 | 86 | struct fio_file *file; |
ebac4655 | 87 | unsigned long long offset; |
a4f4fdd7 | 88 | unsigned long len; |
1e97cce9 | 89 | enum fio_ddir ddir; |
ebac4655 JA |
90 | }; |
91 | ||
a4f4fdd7 JA |
92 | #ifdef FIO_HAVE_SYSLET |
93 | struct syslet_req { | |
5b38ee84 JA |
94 | struct syslet_uatom atom; /* the atom to submit */ |
95 | struct syslet_uatom *head; /* head of the sequence */ | |
96 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
97 | }; |
98 | #endif | |
99 | ||
0c6e7517 JA |
100 | enum { |
101 | IO_U_F_FREE = 1 << 0, | |
102 | IO_U_F_FLIGHT = 1 << 1, | |
103 | }; | |
104 | ||
36690c9b JA |
105 | struct thread_data; |
106 | ||
ebac4655 JA |
107 | /* |
108 | * The io unit | |
109 | */ | |
110 | struct io_u { | |
111 | union { | |
112 | #ifdef FIO_HAVE_LIBAIO | |
113 | struct iocb iocb; | |
114 | #endif | |
115 | #ifdef FIO_HAVE_POSIXAIO | |
116 | struct aiocb aiocb; | |
117 | #endif | |
118 | #ifdef FIO_HAVE_SGIO | |
119 | struct sg_io_hdr hdr; | |
a4f4fdd7 JA |
120 | #endif |
121 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 122 | struct syslet_req req; |
609342ff DL |
123 | #endif |
124 | #ifdef FIO_HAVE_GUASI | |
125 | guasi_req_t greq; | |
ebac4655 JA |
126 | #endif |
127 | }; | |
128 | struct timeval start_time; | |
129 | struct timeval issue_time; | |
130 | ||
1c9e06ee JA |
131 | /* |
132 | * Allocated/set buffer and length | |
133 | */ | |
6b9cea23 | 134 | void *buf; |
a4f4fdd7 | 135 | unsigned long buflen; |
ebac4655 JA |
136 | unsigned long long offset; |
137 | ||
1c9e06ee JA |
138 | /* |
139 | * IO engine state, may be different from above when we get | |
140 | * partial transfers / residual data counts | |
141 | */ | |
cec6b55d | 142 | void *xfer_buf; |
a4f4fdd7 | 143 | unsigned long xfer_buflen; |
cec6b55d | 144 | |
ebac4655 JA |
145 | unsigned int resid; |
146 | unsigned int error; | |
147 | ||
1e97cce9 | 148 | enum fio_ddir ddir; |
ebac4655 | 149 | |
dfd7bc2c JA |
150 | /* |
151 | * io engine private data | |
152 | */ | |
153 | union { | |
154 | unsigned int index; | |
155 | unsigned int seen; | |
156 | }; | |
157 | ||
0c6e7517 JA |
158 | unsigned int flags; |
159 | ||
53cdc686 JA |
160 | struct fio_file *file; |
161 | ||
ebac4655 | 162 | struct list_head list; |
d7762cf8 JA |
163 | |
164 | /* | |
165 | * Callback for io completion | |
166 | */ | |
36690c9b | 167 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
168 | }; |
169 | ||
36167d82 JA |
170 | /* |
171 | * io_ops->queue() return values | |
172 | */ | |
173 | enum { | |
174 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
175 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 176 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
177 | }; |
178 | ||
ebac4655 JA |
179 | #define FIO_HDR_MAGIC 0xf00baaef |
180 | ||
181 | enum { | |
1c9e06ee JA |
182 | VERIFY_NONE = 0, /* no verification */ |
183 | VERIFY_MD5, /* md5 sum data blocks */ | |
184 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
36690c9b | 185 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
186 | }; |
187 | ||
1c9e06ee JA |
188 | /* |
189 | * A header structure associated with each checksummed data block | |
190 | */ | |
ebac4655 JA |
191 | struct verify_header { |
192 | unsigned int fio_magic; | |
193 | unsigned int len; | |
194 | unsigned int verify_type; | |
195 | union { | |
196 | char md5_digest[MD5_HASH_WORDS * 4]; | |
197 | unsigned long crc32; | |
198 | }; | |
199 | }; | |
200 | ||
201 | struct group_run_stats { | |
9104f874 JA |
202 | unsigned long long max_run[2], min_run[2]; |
203 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 204 | unsigned long long io_kb[2]; |
9104f874 | 205 | unsigned long long agg[2]; |
ebac4655 JA |
206 | }; |
207 | ||
e9c047a0 JA |
208 | /* |
209 | * What type of allocation to use for io buffers | |
210 | */ | |
211 | enum fio_memtype { | |
212 | MEM_MALLOC = 0, /* ordinary malloc */ | |
213 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 214 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 215 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 216 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
217 | }; |
218 | ||
219 | /* | |
220 | * The type of object we are working on | |
221 | */ | |
222 | enum fio_filetype { | |
1c9e06ee JA |
223 | FIO_TYPE_FILE = 1, /* plain file */ |
224 | FIO_TYPE_BD, /* block device */ | |
225 | FIO_TYPE_CHAR, /* character device */ | |
e9c047a0 JA |
226 | }; |
227 | ||
2866c82d | 228 | enum fio_ioengine_flags { |
1c9e06ee | 229 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
230 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
231 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 232 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 233 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
e9c047a0 JA |
234 | }; |
235 | ||
f11bd94d | 236 | enum fio_file_flags { |
0ad920e7 JA |
237 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
238 | FIO_FILE_UNLINK = 1 << 1, /* unlink on close */ | |
239 | FIO_FILE_CLOSING = 1 << 2, /* file being closed */ | |
7bb48f84 JA |
240 | FIO_FILE_EXISTS = 1 << 3, /* file there */ |
241 | FIO_FILE_EXTEND = 1 << 4, /* needs extend */ | |
242 | FIO_FILE_NOSORT = 1 << 5, /* don't sort verify blocks */ | |
059e63c0 | 243 | FIO_FILE_DONE = 1 << 6, /* io completed to this file */ |
409b3417 | 244 | FIO_SIZE_KNOWN = 1 << 7, /* size has been set */ |
f11bd94d JA |
245 | }; |
246 | ||
1c9e06ee JA |
247 | /* |
248 | * Each thread_data structure has a number of files associated with it, | |
249 | * this structure holds state information for a single file. | |
250 | */ | |
53cdc686 | 251 | struct fio_file { |
af52b345 JA |
252 | enum fio_filetype filetype; |
253 | ||
53cdc686 JA |
254 | /* |
255 | * A file may not be a file descriptor, let the io engine decide | |
256 | */ | |
257 | union { | |
258 | unsigned long file_data; | |
e26f8f7a | 259 | int fd; |
53cdc686 | 260 | }; |
7bb48f84 JA |
261 | |
262 | /* | |
263 | * filename and possible memory mapping | |
264 | */ | |
1315a68a | 265 | char *file_name; |
53cdc686 | 266 | void *mmap; |
7bb48f84 JA |
267 | |
268 | /* | |
269 | * size of the file, offset into file, and io size from that offset | |
270 | */ | |
53cdc686 JA |
271 | unsigned long long real_file_size; |
272 | unsigned long long file_offset; | |
7bb48f84 JA |
273 | unsigned long long io_size; |
274 | ||
53cdc686 | 275 | unsigned long long last_pos; |
02bcaa8c | 276 | unsigned long long last_completed_pos; |
53cdc686 | 277 | |
1c9e06ee JA |
278 | /* |
279 | * block map for random io | |
280 | */ | |
53cdc686 JA |
281 | unsigned long *file_map; |
282 | unsigned int num_maps; | |
1c9e06ee | 283 | unsigned int last_free_lookup; |
9b031dc8 | 284 | |
0ad920e7 | 285 | int references; |
f11bd94d | 286 | enum fio_file_flags flags; |
53cdc686 JA |
287 | }; |
288 | ||
b2560f3c JA |
289 | /* |
290 | * How many depth levels to log | |
291 | */ | |
292 | #define FIO_IO_U_MAP_NR 8 | |
293 | #define FIO_IO_U_LAT_NR 12 | |
294 | ||
079ad09b | 295 | struct thread_stat { |
756867bd JA |
296 | char *name; |
297 | char *verror; | |
298 | int error; | |
299 | int groupid; | |
300 | pid_t pid; | |
301 | char *description; | |
6586ee89 | 302 | int members; |
756867bd | 303 | |
079ad09b JA |
304 | struct io_log *slat_log; |
305 | struct io_log *clat_log; | |
306 | struct io_log *bw_log; | |
307 | ||
308 | /* | |
309 | * bandwidth and latency stats | |
310 | */ | |
311 | struct io_stat clat_stat[2]; /* completion latency */ | |
312 | struct io_stat slat_stat[2]; /* submission latency */ | |
313 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
314 | ||
315 | unsigned long long stat_io_bytes[2]; | |
316 | struct timeval stat_sample_time[2]; | |
317 | ||
318 | /* | |
319 | * fio system usage accounting | |
320 | */ | |
321 | struct rusage ru_start; | |
322 | struct rusage ru_end; | |
323 | unsigned long usr_time; | |
324 | unsigned long sys_time; | |
325 | unsigned long ctx; | |
079ad09b | 326 | |
b2560f3c JA |
327 | /* |
328 | * IO depth and latency stats | |
329 | */ | |
330 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
331 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 332 | unsigned long total_io_u[2]; |
756867bd JA |
333 | |
334 | unsigned long long io_bytes[2]; | |
335 | unsigned long runtime[2]; | |
336 | unsigned long total_run_time; | |
b2560f3c | 337 | }; |
71619dc2 | 338 | |
2dc1bbeb | 339 | struct thread_options { |
b1ec1da6 | 340 | int pad; |
61697c37 | 341 | char *description; |
b4692828 | 342 | char *name; |
ef899b63 | 343 | char *directory; |
13f8e2d2 | 344 | char *filename; |
2dc1bbeb | 345 | char *opendir; |
09629a90 | 346 | char *ioengine; |
413dd459 | 347 | enum td_ddir td_ddir; |
211097b2 | 348 | unsigned int ddir_nr; |
2dc1bbeb JA |
349 | unsigned int iodepth; |
350 | unsigned int iodepth_low; | |
351 | unsigned int iodepth_batch; | |
352 | ||
353 | unsigned long long size; | |
354 | unsigned long long file_size_low; | |
355 | unsigned long long file_size_high; | |
356 | unsigned long long start_offset; | |
357 | ||
358 | unsigned int bs[2]; | |
359 | unsigned int min_bs[2]; | |
360 | unsigned int max_bs[2]; | |
361 | ||
362 | unsigned int nr_files; | |
363 | unsigned int open_files; | |
e9c047a0 | 364 | |
9158d2f7 JA |
365 | unsigned int odirect; |
366 | unsigned int invalidate_cache; | |
367 | unsigned int create_serialize; | |
368 | unsigned int create_fsync; | |
369 | unsigned int end_fsync; | |
370 | unsigned int sync_io; | |
371 | unsigned int verify; | |
160b966d | 372 | unsigned int verifysort; |
9158d2f7 JA |
373 | unsigned int use_thread; |
374 | unsigned int unlink; | |
375 | unsigned int do_disk_util; | |
376 | unsigned int override_sync; | |
377 | unsigned int rand_repeatable; | |
378 | unsigned int write_lat_log; | |
379 | unsigned int write_bw_log; | |
bb8895e0 | 380 | unsigned int norandommap; |
690adba3 | 381 | unsigned int bs_unaligned; |
ebb1415f | 382 | unsigned int fsync_on_close; |
e9c047a0 | 383 | |
56bb17f2 | 384 | unsigned int hugepage_size; |
a00735e6 | 385 | unsigned int rw_min_bs; |
ebac4655 | 386 | unsigned int thinktime; |
48097d5c | 387 | unsigned int thinktime_spin; |
9c1f7434 | 388 | unsigned int thinktime_blocks; |
ebac4655 JA |
389 | unsigned int fsync_blocks; |
390 | unsigned int start_delay; | |
906c8d75 | 391 | unsigned long timeout; |
ebac4655 | 392 | unsigned int overwrite; |
ebac4655 | 393 | unsigned int bw_avg_time; |
ebac4655 | 394 | unsigned int loops; |
20dc95c4 JA |
395 | unsigned long long zone_size; |
396 | unsigned long long zone_skip; | |
e9c047a0 | 397 | enum fio_memtype mem_type; |
2dc1bbeb | 398 | |
ebac4655 | 399 | unsigned int stonewall; |
b3d62a75 | 400 | unsigned int new_group; |
ebac4655 | 401 | unsigned int numjobs; |
ebac4655 | 402 | os_cpu_mask_t cpumask; |
aea47d44 | 403 | unsigned int iolog; |
843a7413 | 404 | unsigned int read_iolog; |
a6ccc7be | 405 | unsigned int rwmixcycle; |
e47f799f | 406 | unsigned int rwmix[2]; |
b6f4d880 | 407 | unsigned int nice; |
0aabe160 | 408 | unsigned int file_service_type; |
b2560f3c | 409 | unsigned int group_reporting; |
d2f3ac35 | 410 | unsigned int fadvise_hint; |
aea47d44 | 411 | |
076efc7c JA |
412 | char *read_iolog_file; |
413 | char *write_iolog_file; | |
2dc1bbeb JA |
414 | |
415 | /* | |
416 | * Pre-run and post-run shell | |
417 | */ | |
418 | char *exec_prerun; | |
419 | char *exec_postrun; | |
420 | ||
421 | unsigned int rate; | |
422 | unsigned int ratemin; | |
423 | unsigned int ratecycle; | |
424 | unsigned int rate_iops; | |
425 | unsigned int rate_iops_min; | |
426 | ||
427 | char *ioscheduler; | |
428 | ||
429 | /* | |
430 | * CPU "io" cycle burner | |
431 | */ | |
432 | unsigned int cpuload; | |
433 | unsigned int cpucycle; | |
434 | }; | |
435 | ||
e4e33258 JA |
436 | #define FIO_VERROR_SIZE 128 |
437 | ||
2dc1bbeb JA |
438 | /* |
439 | * This describes a single thread/process executing a fio job. | |
440 | */ | |
441 | struct thread_data { | |
442 | struct thread_options o; | |
e4e33258 | 443 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
444 | pthread_t thread; |
445 | int thread_number; | |
446 | int groupid; | |
447 | struct thread_stat ts; | |
448 | struct fio_file *files; | |
449 | unsigned int files_index; | |
450 | unsigned int nr_open_files; | |
451 | unsigned int nr_normal_files; | |
452 | union { | |
453 | unsigned int next_file; | |
454 | os_random_state_t next_file_state; | |
455 | }; | |
456 | int error; | |
457 | pid_t pid; | |
458 | char *orig_buffer; | |
459 | size_t orig_buffer_size; | |
460 | volatile int terminate; | |
461 | volatile int runstate; | |
462 | unsigned int ioprio; | |
463 | unsigned int last_was_sync; | |
464 | ||
465 | char *mmapfile; | |
466 | int mmapfd; | |
467 | ||
843a7413 JA |
468 | void *iolog_buf; |
469 | FILE *iolog_f; | |
ebac4655 | 470 | |
da86774e | 471 | char *sysfs_root; |
da86774e | 472 | |
6dfd46b9 JA |
473 | os_random_state_t bsrange_state; |
474 | os_random_state_t verify_state; | |
ebac4655 JA |
475 | |
476 | int shm_id; | |
477 | ||
e9c047a0 JA |
478 | /* |
479 | * IO engine hooks, contains everything needed to submit an io_u | |
480 | * to any of the available IO engines. | |
481 | */ | |
2866c82d | 482 | struct ioengine_ops *io_ops; |
ebac4655 | 483 | |
e9c047a0 JA |
484 | /* |
485 | * Current IO depth and list of free and busy io_u's. | |
486 | */ | |
ebac4655 JA |
487 | unsigned int cur_depth; |
488 | struct list_head io_u_freelist; | |
489 | struct list_head io_u_busylist; | |
755200a3 | 490 | struct list_head io_u_requeues; |
cb5ab512 | 491 | unsigned int io_u_queued; |
ebac4655 | 492 | |
e9c047a0 JA |
493 | /* |
494 | * Rate state | |
495 | */ | |
ebac4655 JA |
496 | unsigned long rate_usec_cycle; |
497 | long rate_pending_usleep; | |
498 | unsigned long rate_bytes; | |
4e991c23 | 499 | unsigned long rate_blocks; |
ebac4655 JA |
500 | struct timeval lastrate; |
501 | ||
ebac4655 JA |
502 | unsigned long long total_io_size; |
503 | ||
755200a3 | 504 | unsigned long io_issues[2]; |
9104f874 JA |
505 | unsigned long long io_blocks[2]; |
506 | unsigned long long io_bytes[2]; | |
9104f874 | 507 | unsigned long long this_io_bytes[2]; |
079ad09b | 508 | unsigned long long zone_bytes; |
07739b57 | 509 | struct fio_sem *mutex; |
ebac4655 | 510 | |
e9c047a0 JA |
511 | /* |
512 | * State for random io, a bitmap of blocks done vs not done | |
513 | */ | |
6dfd46b9 | 514 | os_random_state_t random_state; |
ebac4655 | 515 | |
ebac4655 JA |
516 | struct timeval start; /* start of this loop */ |
517 | struct timeval epoch; /* time job was started */ | |
38d77cae JA |
518 | struct timeval rw_end[2]; |
519 | unsigned int rw_end_set[2]; | |
ebac4655 | 520 | |
e9c047a0 JA |
521 | /* |
522 | * read/write mixed workload state | |
523 | */ | |
6dfd46b9 | 524 | os_random_state_t rwmix_state; |
afe24a5a | 525 | unsigned long long rwmix_bytes; |
a6ccc7be | 526 | struct timeval rwmix_switch; |
e9c047a0 | 527 | enum fio_ddir rwmix_ddir; |
211097b2 | 528 | unsigned int ddir_nr; |
a6ccc7be | 529 | |
e9c047a0 | 530 | /* |
8de8f047 JA |
531 | * IO history logs for verification. We use a tree for sorting, |
532 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 533 | */ |
4b87898e | 534 | struct rb_root io_hist_tree; |
8de8f047 JA |
535 | struct list_head io_hist_list; |
536 | ||
537 | /* | |
538 | * For IO replaying | |
539 | */ | |
aea47d44 | 540 | struct list_head io_log_list; |
433afcb4 JA |
541 | |
542 | /* | |
543 | * timeout handling | |
544 | */ | |
545 | struct timeval timeout_end; | |
546 | struct itimerval timer; | |
1907dbc6 JA |
547 | |
548 | /* | |
549 | * for fileservice, how often to switch to a new file | |
550 | */ | |
551 | unsigned int file_service_nr; | |
552 | unsigned int file_service_left; | |
553 | struct fio_file *file_service_file; | |
9c60ce64 JA |
554 | |
555 | /* | |
556 | * For generating file sizes | |
557 | */ | |
558 | os_random_state_t file_size_state; | |
ebac4655 JA |
559 | }; |
560 | ||
0aabe160 JA |
561 | /* |
562 | * roundrobin available files, or choose one at random. | |
563 | */ | |
564 | enum { | |
565 | FIO_FSERVICE_RANDOM = 1, | |
566 | FIO_FSERVICE_RR = 2, | |
567 | }; | |
568 | ||
433afcb4 JA |
569 | /* |
570 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
571 | * the timer on each queue operation. | |
572 | */ | |
573 | #define IO_U_TIMEOUT_INC 5 | |
574 | #define IO_U_TIMEOUT 30 | |
575 | ||
e1161c32 | 576 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 577 | do { \ |
19abcd3d JA |
578 | if ((td)->error) \ |
579 | break; \ | |
ebac4655 JA |
580 | int e = (err); \ |
581 | (td)->error = e; \ | |
e1161c32 | 582 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
583 | } while (0) |
584 | ||
b990b5c0 | 585 | |
e1161c32 JA |
586 | #define td_verror(td, err, func) \ |
587 | __td_verror((td), (err), strerror((err)), (func)) | |
588 | #define td_vmsg(td, err, msg, func) \ | |
589 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 590 | |
ebac4655 JA |
591 | extern int exitall_on_terminate; |
592 | extern int thread_number; | |
9cedf167 | 593 | extern int nr_process, nr_thread; |
ebac4655 JA |
594 | extern int shm_id; |
595 | extern int groupid; | |
c6ae0a5b | 596 | extern int terse_output; |
eb8bbf48 JA |
597 | extern FILE *f_out; |
598 | extern FILE *f_err; | |
53cdc686 | 599 | extern int temp_stall_ts; |
1e97cce9 | 600 | extern unsigned long long mlock_size; |
cfc99db7 | 601 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
602 | |
603 | extern struct thread_data *threads; | |
604 | ||
2dc1bbeb JA |
605 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
606 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
607 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
608 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
609 | |
610 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 611 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
612 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
613 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
614 | |
615 | #define MAX_JOBS (1024) | |
616 | ||
87dc1ab1 JA |
617 | static inline int should_fsync(struct thread_data *td) |
618 | { | |
619 | if (td->last_was_sync) | |
620 | return 0; | |
2dc1bbeb | 621 | if (td->o.odirect) |
87dc1ab1 | 622 | return 0; |
2dc1bbeb | 623 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
624 | return 1; |
625 | ||
626 | return 0; | |
627 | } | |
628 | ||
1c9e06ee JA |
629 | /* |
630 | * Disk utils as read in /sys/block/<dev>/stat | |
631 | */ | |
ebac4655 JA |
632 | struct disk_util_stat { |
633 | unsigned ios[2]; | |
634 | unsigned merges[2]; | |
635 | unsigned long long sectors[2]; | |
636 | unsigned ticks[2]; | |
637 | unsigned io_ticks; | |
638 | unsigned time_in_queue; | |
639 | }; | |
640 | ||
1c9e06ee JA |
641 | /* |
642 | * Per-device disk util management | |
643 | */ | |
ebac4655 JA |
644 | struct disk_util { |
645 | struct list_head list; | |
646 | ||
647 | char *name; | |
648 | char path[256]; | |
649 | dev_t dev; | |
650 | ||
651 | struct disk_util_stat dus; | |
652 | struct disk_util_stat last_dus; | |
653 | ||
654 | unsigned long msec; | |
655 | struct timeval time; | |
656 | }; | |
657 | ||
ebac4655 JA |
658 | #define DISK_UTIL_MSEC (250) |
659 | ||
6a0106a0 JA |
660 | #ifndef min |
661 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
662 | #endif | |
a00735e6 JA |
663 | #ifndef max |
664 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
665 | #endif | |
6a0106a0 | 666 | |
6796209a JA |
667 | /* |
668 | * Log exports | |
669 | */ | |
72cb971b | 670 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 671 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 672 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
673 | extern void log_io_piece(struct thread_data *, struct io_u *); |
674 | extern void prune_io_piece_log(struct thread_data *); | |
675 | extern void write_iolog_close(struct thread_data *); | |
676 | ||
677 | /* | |
678 | * Logging | |
679 | */ | |
1e97cce9 JA |
680 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
681 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
682 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
683 | extern void show_run_stats(void); |
684 | extern void init_disk_util(struct thread_data *); | |
685 | extern void update_rusage_stat(struct thread_data *); | |
686 | extern void update_io_ticks(void); | |
687 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
688 | extern void setup_log(struct io_log **); |
689 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 690 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
691 | extern struct io_log *agg_io_log[2]; |
692 | extern int write_bw_log; | |
693 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
694 | |
695 | /* | |
696 | * Time functions | |
697 | */ | |
698 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 699 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
700 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
701 | extern unsigned long mtime_since_now(struct timeval *); | |
702 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 703 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 704 | extern void __usec_sleep(unsigned int); |
6796209a | 705 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 706 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 707 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 708 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 709 | extern void set_genesis_time(void); |
6796209a | 710 | |
8914a9d8 | 711 | /* |
214e1eca | 712 | * Init/option functions |
8914a9d8 | 713 | */ |
72cb971b | 714 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
715 | extern int fio_option_parse(struct thread_data *, const char *); |
716 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
717 | extern void fio_fill_default_options(struct thread_data *); | |
718 | extern int fio_show_option_help(const char *); | |
719 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
720 | extern void options_mem_dupe(struct thread_data *); |
721 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
722 | #define FIO_GETOPT_JOB 0x89988998 |
723 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 724 | |
53cdc686 JA |
725 | /* |
726 | * File setup/shutdown | |
727 | */ | |
728 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
729 | extern int __must_check setup_files(struct thread_data *); |
730 | extern int __must_check open_files(struct thread_data *); | |
731 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
732 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
733 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 734 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
735 | extern void get_file(struct fio_file *); |
736 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 737 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 738 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 739 | extern void dup_files(struct thread_data *, struct thread_data *); |
53cdc686 | 740 | |
263e529f JA |
741 | /* |
742 | * ETA/status stuff | |
743 | */ | |
744 | extern void print_thread_status(void); | |
745 | extern void print_status_init(int); | |
746 | ||
747 | /* | |
748 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
749 | * will never back again. It may cycle between running/verififying/fsyncing. | |
750 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
751 | * reap it. | |
752 | */ | |
753 | enum { | |
754 | TD_NOT_CREATED = 0, | |
755 | TD_CREATED, | |
756 | TD_INITIALIZED, | |
757 | TD_RUNNING, | |
758 | TD_VERIFYING, | |
759 | TD_FSYNCING, | |
760 | TD_EXITED, | |
761 | TD_REAPED, | |
762 | }; | |
763 | ||
e29d1b70 JA |
764 | /* |
765 | * Verify helpers | |
766 | */ | |
767 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 768 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 769 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 770 | |
2f9ade3c JA |
771 | /* |
772 | * Memory helpers | |
773 | */ | |
b2fdda43 | 774 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 775 | extern void fio_unpin_memory(void); |
b2fdda43 | 776 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
777 | extern void free_io_mem(struct thread_data *); |
778 | ||
10ba535a JA |
779 | /* |
780 | * io unit handling | |
781 | */ | |
782 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
783 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 784 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 785 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 786 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
787 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
788 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 789 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 790 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
791 | extern void io_u_init_timeout(void); |
792 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 793 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
794 | |
795 | /* | |
796 | * io engine entry points | |
797 | */ | |
b2fdda43 JA |
798 | extern int __must_check td_io_init(struct thread_data *); |
799 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
800 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
801 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
802 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
803 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
804 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
805 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 806 | |
3b70d7e5 JA |
807 | /* |
808 | * If logging output to a file, stderr should go to both stderr and f_err | |
809 | */ | |
810 | #define log_err(args...) do { \ | |
811 | fprintf(f_err, ##args); \ | |
812 | if (f_err != stderr) \ | |
813 | fprintf(stderr, ##args); \ | |
814 | } while (0) | |
815 | ||
9c60ce64 JA |
816 | #define log_info(args...) fprintf(f_out, ##args) |
817 | ||
9728ce37 JB |
818 | FILE *get_f_out(void); |
819 | FILE *get_f_err(void); | |
820 | ||
2866c82d | 821 | struct ioengine_ops { |
5f350952 | 822 | struct list_head list; |
2866c82d JA |
823 | char name[16]; |
824 | int version; | |
825 | int flags; | |
ea2877a4 | 826 | int (*setup)(struct thread_data *); |
2866c82d JA |
827 | int (*init)(struct thread_data *); |
828 | int (*prep)(struct thread_data *, struct io_u *); | |
829 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 830 | int (*commit)(struct thread_data *); |
2866c82d JA |
831 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
832 | struct io_u *(*event)(struct thread_data *, int); | |
833 | int (*cancel)(struct thread_data *, struct io_u *); | |
834 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
835 | int (*open_file)(struct thread_data *, struct fio_file *); |
836 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
837 | void *data; |
838 | void *dlhandle; | |
839 | }; | |
840 | ||
2c187c0f | 841 | #define FIO_IOOPS_VERSION 7 |
2866c82d | 842 | |
b4692828 | 843 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 844 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 845 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
846 | extern void close_ioengine(struct thread_data *); |
847 | ||
848 | /* | |
849 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
850 | */ | |
851 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
852 | #define fio_init __attribute__((constructor)) |
853 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 854 | |
34572e28 JA |
855 | #define for_each_td(td, i) \ |
856 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 857 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 858 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 859 | |
0032bf9f JA |
860 | #define fio_assert(td, cond) do { \ |
861 | if (!(cond)) { \ | |
340fd243 | 862 | int *__foo = NULL; \ |
0032bf9f JA |
863 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
864 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 865 | (td)->error = EFAULT; \ |
340fd243 | 866 | *__foo = 0; \ |
0032bf9f JA |
867 | } \ |
868 | } while (0) | |
869 | ||
9bf27b45 JA |
870 | static inline void clear_error(struct thread_data *td) |
871 | { | |
872 | td->error = 0; | |
873 | td->verror[0] = '\0'; | |
874 | } | |
875 | ||
ebac4655 | 876 | #endif |