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 JA |
240 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
241 | FIO_FILE_UNLINK = 1 << 1, /* unlink on close */ | |
242 | FIO_FILE_CLOSING = 1 << 2, /* file being closed */ | |
7bb48f84 JA |
243 | FIO_FILE_EXISTS = 1 << 3, /* file there */ |
244 | FIO_FILE_EXTEND = 1 << 4, /* needs extend */ | |
245 | FIO_FILE_NOSORT = 1 << 5, /* don't sort verify blocks */ | |
059e63c0 | 246 | FIO_FILE_DONE = 1 << 6, /* io completed to this file */ |
409b3417 | 247 | FIO_SIZE_KNOWN = 1 << 7, /* size has been set */ |
f11bd94d JA |
248 | }; |
249 | ||
1c9e06ee JA |
250 | /* |
251 | * Each thread_data structure has a number of files associated with it, | |
252 | * this structure holds state information for a single file. | |
253 | */ | |
53cdc686 | 254 | struct fio_file { |
af52b345 JA |
255 | enum fio_filetype filetype; |
256 | ||
53cdc686 JA |
257 | /* |
258 | * A file may not be a file descriptor, let the io engine decide | |
259 | */ | |
260 | union { | |
261 | unsigned long file_data; | |
e26f8f7a | 262 | int fd; |
53cdc686 | 263 | }; |
7bb48f84 JA |
264 | |
265 | /* | |
266 | * filename and possible memory mapping | |
267 | */ | |
1315a68a | 268 | char *file_name; |
53cdc686 | 269 | void *mmap; |
7bb48f84 JA |
270 | |
271 | /* | |
272 | * size of the file, offset into file, and io size from that offset | |
273 | */ | |
53cdc686 JA |
274 | unsigned long long real_file_size; |
275 | unsigned long long file_offset; | |
7bb48f84 JA |
276 | unsigned long long io_size; |
277 | ||
53cdc686 | 278 | unsigned long long last_pos; |
02bcaa8c | 279 | unsigned long long last_completed_pos; |
53cdc686 | 280 | |
1c9e06ee JA |
281 | /* |
282 | * block map for random io | |
283 | */ | |
53cdc686 JA |
284 | unsigned long *file_map; |
285 | unsigned int num_maps; | |
1c9e06ee | 286 | unsigned int last_free_lookup; |
9b031dc8 | 287 | |
0ad920e7 | 288 | int references; |
f11bd94d | 289 | enum fio_file_flags flags; |
53cdc686 JA |
290 | }; |
291 | ||
b2560f3c JA |
292 | /* |
293 | * How many depth levels to log | |
294 | */ | |
295 | #define FIO_IO_U_MAP_NR 8 | |
296 | #define FIO_IO_U_LAT_NR 12 | |
297 | ||
079ad09b | 298 | struct thread_stat { |
756867bd JA |
299 | char *name; |
300 | char *verror; | |
301 | int error; | |
302 | int groupid; | |
303 | pid_t pid; | |
304 | char *description; | |
6586ee89 | 305 | int members; |
756867bd | 306 | |
079ad09b JA |
307 | struct io_log *slat_log; |
308 | struct io_log *clat_log; | |
309 | struct io_log *bw_log; | |
310 | ||
311 | /* | |
312 | * bandwidth and latency stats | |
313 | */ | |
314 | struct io_stat clat_stat[2]; /* completion latency */ | |
315 | struct io_stat slat_stat[2]; /* submission latency */ | |
316 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
317 | ||
318 | unsigned long long stat_io_bytes[2]; | |
319 | struct timeval stat_sample_time[2]; | |
320 | ||
321 | /* | |
322 | * fio system usage accounting | |
323 | */ | |
324 | struct rusage ru_start; | |
325 | struct rusage ru_end; | |
326 | unsigned long usr_time; | |
327 | unsigned long sys_time; | |
328 | unsigned long ctx; | |
079ad09b | 329 | |
b2560f3c JA |
330 | /* |
331 | * IO depth and latency stats | |
332 | */ | |
333 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
334 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 335 | unsigned long total_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; |
aea47d44 | 414 | |
076efc7c JA |
415 | char *read_iolog_file; |
416 | char *write_iolog_file; | |
2dc1bbeb JA |
417 | |
418 | /* | |
419 | * Pre-run and post-run shell | |
420 | */ | |
421 | char *exec_prerun; | |
422 | char *exec_postrun; | |
423 | ||
424 | unsigned int rate; | |
425 | unsigned int ratemin; | |
426 | unsigned int ratecycle; | |
427 | unsigned int rate_iops; | |
428 | unsigned int rate_iops_min; | |
429 | ||
430 | char *ioscheduler; | |
431 | ||
432 | /* | |
433 | * CPU "io" cycle burner | |
434 | */ | |
435 | unsigned int cpuload; | |
436 | unsigned int cpucycle; | |
437 | }; | |
438 | ||
e4e33258 JA |
439 | #define FIO_VERROR_SIZE 128 |
440 | ||
2dc1bbeb JA |
441 | /* |
442 | * This describes a single thread/process executing a fio job. | |
443 | */ | |
444 | struct thread_data { | |
445 | struct thread_options o; | |
e4e33258 | 446 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
447 | pthread_t thread; |
448 | int thread_number; | |
449 | int groupid; | |
450 | struct thread_stat ts; | |
451 | struct fio_file *files; | |
452 | unsigned int files_index; | |
453 | unsigned int nr_open_files; | |
1020a139 | 454 | unsigned int nr_done_files; |
2dc1bbeb JA |
455 | unsigned int nr_normal_files; |
456 | union { | |
457 | unsigned int next_file; | |
458 | os_random_state_t next_file_state; | |
459 | }; | |
460 | int error; | |
461 | pid_t pid; | |
462 | char *orig_buffer; | |
463 | size_t orig_buffer_size; | |
464 | volatile int terminate; | |
465 | volatile int runstate; | |
466 | unsigned int ioprio; | |
467 | unsigned int last_was_sync; | |
468 | ||
469 | char *mmapfile; | |
470 | int mmapfd; | |
471 | ||
843a7413 JA |
472 | void *iolog_buf; |
473 | FILE *iolog_f; | |
ebac4655 | 474 | |
da86774e | 475 | char *sysfs_root; |
da86774e | 476 | |
6dfd46b9 JA |
477 | os_random_state_t bsrange_state; |
478 | os_random_state_t verify_state; | |
ebac4655 JA |
479 | |
480 | int shm_id; | |
481 | ||
e9c047a0 JA |
482 | /* |
483 | * IO engine hooks, contains everything needed to submit an io_u | |
484 | * to any of the available IO engines. | |
485 | */ | |
2866c82d | 486 | struct ioengine_ops *io_ops; |
ebac4655 | 487 | |
e9c047a0 JA |
488 | /* |
489 | * Current IO depth and list of free and busy io_u's. | |
490 | */ | |
ebac4655 JA |
491 | unsigned int cur_depth; |
492 | struct list_head io_u_freelist; | |
493 | struct list_head io_u_busylist; | |
755200a3 | 494 | struct list_head io_u_requeues; |
cb5ab512 | 495 | unsigned int io_u_queued; |
ebac4655 | 496 | |
e9c047a0 JA |
497 | /* |
498 | * Rate state | |
499 | */ | |
ebac4655 JA |
500 | unsigned long rate_usec_cycle; |
501 | long rate_pending_usleep; | |
502 | unsigned long rate_bytes; | |
4e991c23 | 503 | unsigned long rate_blocks; |
ebac4655 JA |
504 | struct timeval lastrate; |
505 | ||
ebac4655 JA |
506 | unsigned long long total_io_size; |
507 | ||
755200a3 | 508 | unsigned long io_issues[2]; |
9104f874 JA |
509 | unsigned long long io_blocks[2]; |
510 | unsigned long long io_bytes[2]; | |
9104f874 | 511 | unsigned long long this_io_bytes[2]; |
079ad09b | 512 | unsigned long long zone_bytes; |
07739b57 | 513 | struct fio_sem *mutex; |
ebac4655 | 514 | |
e9c047a0 JA |
515 | /* |
516 | * State for random io, a bitmap of blocks done vs not done | |
517 | */ | |
6dfd46b9 | 518 | os_random_state_t random_state; |
ebac4655 | 519 | |
ebac4655 JA |
520 | struct timeval start; /* start of this loop */ |
521 | struct timeval epoch; /* time job was started */ | |
38d77cae JA |
522 | struct timeval rw_end[2]; |
523 | unsigned int rw_end_set[2]; | |
ebac4655 | 524 | |
e9c047a0 JA |
525 | /* |
526 | * read/write mixed workload state | |
527 | */ | |
6dfd46b9 | 528 | os_random_state_t rwmix_state; |
afe24a5a | 529 | unsigned long long rwmix_bytes; |
a6ccc7be | 530 | struct timeval rwmix_switch; |
e9c047a0 | 531 | enum fio_ddir rwmix_ddir; |
211097b2 | 532 | unsigned int ddir_nr; |
a6ccc7be | 533 | |
e9c047a0 | 534 | /* |
8de8f047 JA |
535 | * IO history logs for verification. We use a tree for sorting, |
536 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 537 | */ |
4b87898e | 538 | struct rb_root io_hist_tree; |
8de8f047 JA |
539 | struct list_head io_hist_list; |
540 | ||
541 | /* | |
542 | * For IO replaying | |
543 | */ | |
aea47d44 | 544 | struct list_head io_log_list; |
433afcb4 JA |
545 | |
546 | /* | |
547 | * timeout handling | |
548 | */ | |
549 | struct timeval timeout_end; | |
550 | struct itimerval timer; | |
1907dbc6 JA |
551 | |
552 | /* | |
553 | * for fileservice, how often to switch to a new file | |
554 | */ | |
555 | unsigned int file_service_nr; | |
556 | unsigned int file_service_left; | |
557 | struct fio_file *file_service_file; | |
9c60ce64 JA |
558 | |
559 | /* | |
560 | * For generating file sizes | |
561 | */ | |
562 | os_random_state_t file_size_state; | |
ebac4655 JA |
563 | }; |
564 | ||
0aabe160 JA |
565 | /* |
566 | * roundrobin available files, or choose one at random. | |
567 | */ | |
568 | enum { | |
569 | FIO_FSERVICE_RANDOM = 1, | |
570 | FIO_FSERVICE_RR = 2, | |
571 | }; | |
572 | ||
433afcb4 JA |
573 | /* |
574 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
575 | * the timer on each queue operation. | |
576 | */ | |
577 | #define IO_U_TIMEOUT_INC 5 | |
578 | #define IO_U_TIMEOUT 30 | |
579 | ||
e1161c32 | 580 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 581 | do { \ |
19abcd3d JA |
582 | if ((td)->error) \ |
583 | break; \ | |
ebac4655 JA |
584 | int e = (err); \ |
585 | (td)->error = e; \ | |
e1161c32 | 586 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
587 | } while (0) |
588 | ||
b990b5c0 | 589 | |
e1161c32 JA |
590 | #define td_verror(td, err, func) \ |
591 | __td_verror((td), (err), strerror((err)), (func)) | |
592 | #define td_vmsg(td, err, msg, func) \ | |
593 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 594 | |
ebac4655 JA |
595 | extern int exitall_on_terminate; |
596 | extern int thread_number; | |
9cedf167 | 597 | extern int nr_process, nr_thread; |
ebac4655 JA |
598 | extern int shm_id; |
599 | extern int groupid; | |
c6ae0a5b | 600 | extern int terse_output; |
eb8bbf48 JA |
601 | extern FILE *f_out; |
602 | extern FILE *f_err; | |
53cdc686 | 603 | extern int temp_stall_ts; |
1e97cce9 | 604 | extern unsigned long long mlock_size; |
cfc99db7 | 605 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
606 | |
607 | extern struct thread_data *threads; | |
608 | ||
2dc1bbeb JA |
609 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
610 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
611 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
612 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
613 | |
614 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 615 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
616 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
617 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
618 | |
619 | #define MAX_JOBS (1024) | |
620 | ||
87dc1ab1 JA |
621 | static inline int should_fsync(struct thread_data *td) |
622 | { | |
623 | if (td->last_was_sync) | |
624 | return 0; | |
2dc1bbeb | 625 | if (td->o.odirect) |
87dc1ab1 | 626 | return 0; |
2dc1bbeb | 627 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
628 | return 1; |
629 | ||
630 | return 0; | |
631 | } | |
632 | ||
1c9e06ee JA |
633 | /* |
634 | * Disk utils as read in /sys/block/<dev>/stat | |
635 | */ | |
ebac4655 JA |
636 | struct disk_util_stat { |
637 | unsigned ios[2]; | |
638 | unsigned merges[2]; | |
639 | unsigned long long sectors[2]; | |
640 | unsigned ticks[2]; | |
641 | unsigned io_ticks; | |
642 | unsigned time_in_queue; | |
643 | }; | |
644 | ||
1c9e06ee JA |
645 | /* |
646 | * Per-device disk util management | |
647 | */ | |
ebac4655 JA |
648 | struct disk_util { |
649 | struct list_head list; | |
650 | ||
651 | char *name; | |
e11c410c | 652 | char *sysfs_root; |
ebac4655 | 653 | char path[256]; |
07e5b264 | 654 | int major, minor; |
ebac4655 JA |
655 | |
656 | struct disk_util_stat dus; | |
657 | struct disk_util_stat last_dus; | |
658 | ||
659 | unsigned long msec; | |
660 | struct timeval time; | |
661 | }; | |
662 | ||
ebac4655 JA |
663 | #define DISK_UTIL_MSEC (250) |
664 | ||
6a0106a0 JA |
665 | #ifndef min |
666 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
667 | #endif | |
a00735e6 JA |
668 | #ifndef max |
669 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
670 | #endif | |
6a0106a0 | 671 | |
6796209a JA |
672 | /* |
673 | * Log exports | |
674 | */ | |
72cb971b | 675 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 676 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 677 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
678 | extern void log_io_piece(struct thread_data *, struct io_u *); |
679 | extern void prune_io_piece_log(struct thread_data *); | |
680 | extern void write_iolog_close(struct thread_data *); | |
681 | ||
682 | /* | |
683 | * Logging | |
684 | */ | |
1e97cce9 JA |
685 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
686 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
687 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
688 | extern void show_run_stats(void); |
689 | extern void init_disk_util(struct thread_data *); | |
690 | extern void update_rusage_stat(struct thread_data *); | |
691 | extern void update_io_ticks(void); | |
692 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
693 | extern void setup_log(struct io_log **); |
694 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 695 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
696 | extern struct io_log *agg_io_log[2]; |
697 | extern int write_bw_log; | |
698 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
699 | |
700 | /* | |
701 | * Time functions | |
702 | */ | |
703 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 704 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
705 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
706 | extern unsigned long mtime_since_now(struct timeval *); | |
707 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 708 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 709 | extern void __usec_sleep(unsigned int); |
6796209a | 710 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 711 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 712 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 713 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 714 | extern void set_genesis_time(void); |
6796209a | 715 | |
8914a9d8 | 716 | /* |
214e1eca | 717 | * Init/option functions |
8914a9d8 | 718 | */ |
72cb971b | 719 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
720 | extern int fio_option_parse(struct thread_data *, const char *); |
721 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
722 | extern void fio_fill_default_options(struct thread_data *); | |
723 | extern int fio_show_option_help(const char *); | |
724 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
725 | extern void options_mem_dupe(struct thread_data *); |
726 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
727 | #define FIO_GETOPT_JOB 0x89988998 |
728 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 729 | |
53cdc686 JA |
730 | /* |
731 | * File setup/shutdown | |
732 | */ | |
733 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
734 | extern int __must_check setup_files(struct thread_data *); |
735 | extern int __must_check open_files(struct thread_data *); | |
736 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
737 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
738 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 739 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
740 | extern void get_file(struct fio_file *); |
741 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 742 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 743 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 744 | extern void dup_files(struct thread_data *, struct thread_data *); |
53cdc686 | 745 | |
263e529f JA |
746 | /* |
747 | * ETA/status stuff | |
748 | */ | |
749 | extern void print_thread_status(void); | |
750 | extern void print_status_init(int); | |
751 | ||
9f8f2064 JA |
752 | /* |
753 | * disk util stuff | |
754 | */ | |
755 | #ifdef FIO_HAVE_DISK_UTIL | |
756 | extern void show_disk_util(void); | |
757 | extern void disk_util_timer_arm(void); | |
758 | extern void init_disk_util(struct thread_data *); | |
759 | extern void update_io_ticks(void); | |
760 | #else | |
761 | #define show_disk_util() | |
762 | #define disk_util_timer_arm() | |
763 | #define init_disk_util(td) | |
764 | #define update_io_ticks() | |
765 | #endif | |
766 | ||
263e529f JA |
767 | /* |
768 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
769 | * will never back again. It may cycle between running/verififying/fsyncing. | |
770 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
771 | * reap it. | |
772 | */ | |
773 | enum { | |
774 | TD_NOT_CREATED = 0, | |
775 | TD_CREATED, | |
776 | TD_INITIALIZED, | |
777 | TD_RUNNING, | |
778 | TD_VERIFYING, | |
779 | TD_FSYNCING, | |
780 | TD_EXITED, | |
781 | TD_REAPED, | |
782 | }; | |
783 | ||
e29d1b70 JA |
784 | /* |
785 | * Verify helpers | |
786 | */ | |
787 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 788 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 789 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 790 | |
2f9ade3c JA |
791 | /* |
792 | * Memory helpers | |
793 | */ | |
b2fdda43 | 794 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 795 | extern void fio_unpin_memory(void); |
b2fdda43 | 796 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
797 | extern void free_io_mem(struct thread_data *); |
798 | ||
10ba535a JA |
799 | /* |
800 | * io unit handling | |
801 | */ | |
802 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
803 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 804 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 805 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 806 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
807 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
808 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 809 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 810 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
811 | extern void io_u_init_timeout(void); |
812 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 813 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
814 | |
815 | /* | |
816 | * io engine entry points | |
817 | */ | |
b2fdda43 JA |
818 | extern int __must_check td_io_init(struct thread_data *); |
819 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
820 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
821 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
822 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
823 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
824 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
825 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 826 | |
3b70d7e5 JA |
827 | /* |
828 | * If logging output to a file, stderr should go to both stderr and f_err | |
829 | */ | |
830 | #define log_err(args...) do { \ | |
831 | fprintf(f_err, ##args); \ | |
832 | if (f_err != stderr) \ | |
833 | fprintf(stderr, ##args); \ | |
834 | } while (0) | |
835 | ||
9c60ce64 JA |
836 | #define log_info(args...) fprintf(f_out, ##args) |
837 | ||
9728ce37 JB |
838 | FILE *get_f_out(void); |
839 | FILE *get_f_err(void); | |
840 | ||
2866c82d | 841 | struct ioengine_ops { |
5f350952 | 842 | struct list_head list; |
2866c82d JA |
843 | char name[16]; |
844 | int version; | |
845 | int flags; | |
ea2877a4 | 846 | int (*setup)(struct thread_data *); |
2866c82d JA |
847 | int (*init)(struct thread_data *); |
848 | int (*prep)(struct thread_data *, struct io_u *); | |
849 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 850 | int (*commit)(struct thread_data *); |
2866c82d JA |
851 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
852 | struct io_u *(*event)(struct thread_data *, int); | |
853 | int (*cancel)(struct thread_data *, struct io_u *); | |
854 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
855 | int (*open_file)(struct thread_data *, struct fio_file *); |
856 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
857 | void *data; |
858 | void *dlhandle; | |
859 | }; | |
860 | ||
2c187c0f | 861 | #define FIO_IOOPS_VERSION 7 |
2866c82d | 862 | |
b4692828 | 863 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 864 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 865 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
866 | extern void close_ioengine(struct thread_data *); |
867 | ||
868 | /* | |
869 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
870 | */ | |
871 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
872 | #define fio_init __attribute__((constructor)) |
873 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 874 | |
34572e28 JA |
875 | #define for_each_td(td, i) \ |
876 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 877 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 878 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 879 | |
0032bf9f JA |
880 | #define fio_assert(td, cond) do { \ |
881 | if (!(cond)) { \ | |
340fd243 | 882 | int *__foo = NULL; \ |
0032bf9f JA |
883 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
884 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 885 | (td)->error = EFAULT; \ |
340fd243 | 886 | *__foo = 0; \ |
0032bf9f JA |
887 | } \ |
888 | } while (0) | |
889 | ||
9bf27b45 JA |
890 | static inline void clear_error(struct thread_data *td) |
891 | { | |
892 | td->error = 0; | |
893 | td->verror[0] = '\0'; | |
894 | } | |
895 | ||
ebac4655 | 896 | #endif |