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> |
ebac4655 JA |
14 | |
15 | #include "list.h" | |
16 | #include "md5.h" | |
17 | #include "crc32.h" | |
18 | #include "arch.h" | |
19 | #include "os.h" | |
07739b57 | 20 | #include "mutex.h" |
ebac4655 | 21 | |
b6959b55 | 22 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 23 | #include "syslet.h" |
b6959b55 | 24 | #endif |
a4f4fdd7 | 25 | |
1e97cce9 JA |
26 | enum fio_ddir { |
27 | DDIR_READ = 0, | |
28 | DDIR_WRITE, | |
29 | DDIR_SYNC, | |
30 | }; | |
31 | ||
413dd459 | 32 | enum td_ddir { |
b1ec1da6 JA |
33 | TD_DDIR_READ = 1 << 0, |
34 | TD_DDIR_WRITE = 1 << 1, | |
35 | TD_DDIR_RAND = 1 << 2, | |
36 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
37 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 38 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 39 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
40 | }; |
41 | ||
1c9e06ee JA |
42 | /* |
43 | * Use for maintaining statistics | |
44 | */ | |
ebac4655 | 45 | struct io_stat { |
ebac4655 JA |
46 | unsigned long max_val; |
47 | unsigned long min_val; | |
48 | unsigned long samples; | |
68704084 JA |
49 | |
50 | double mean; | |
51 | double S; | |
ebac4655 JA |
52 | }; |
53 | ||
1c9e06ee JA |
54 | /* |
55 | * A single data sample | |
56 | */ | |
ebac4655 JA |
57 | struct io_sample { |
58 | unsigned long time; | |
59 | unsigned long val; | |
1e97cce9 | 60 | enum fio_ddir ddir; |
ebac4655 JA |
61 | }; |
62 | ||
1c9e06ee JA |
63 | /* |
64 | * Dynamically growing data sample log | |
65 | */ | |
ebac4655 JA |
66 | struct io_log { |
67 | unsigned long nr_samples; | |
68 | unsigned long max_samples; | |
69 | struct io_sample *log; | |
70 | }; | |
71 | ||
1c9e06ee JA |
72 | /* |
73 | * When logging io actions, this matches a single sent io_u | |
74 | */ | |
ebac4655 JA |
75 | struct io_piece { |
76 | struct list_head list; | |
53cdc686 | 77 | struct fio_file *file; |
ebac4655 | 78 | unsigned long long offset; |
a4f4fdd7 | 79 | unsigned long len; |
1e97cce9 | 80 | enum fio_ddir ddir; |
ebac4655 JA |
81 | }; |
82 | ||
a4f4fdd7 JA |
83 | #ifdef FIO_HAVE_SYSLET |
84 | struct syslet_req { | |
5b38ee84 JA |
85 | struct syslet_uatom atom; /* the atom to submit */ |
86 | struct syslet_uatom *head; /* head of the sequence */ | |
87 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
88 | }; |
89 | #endif | |
90 | ||
0c6e7517 JA |
91 | enum { |
92 | IO_U_F_FREE = 1 << 0, | |
93 | IO_U_F_FLIGHT = 1 << 1, | |
94 | }; | |
95 | ||
ebac4655 JA |
96 | /* |
97 | * The io unit | |
98 | */ | |
99 | struct io_u { | |
100 | union { | |
101 | #ifdef FIO_HAVE_LIBAIO | |
102 | struct iocb iocb; | |
103 | #endif | |
104 | #ifdef FIO_HAVE_POSIXAIO | |
105 | struct aiocb aiocb; | |
106 | #endif | |
107 | #ifdef FIO_HAVE_SGIO | |
108 | struct sg_io_hdr hdr; | |
a4f4fdd7 JA |
109 | #endif |
110 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 111 | struct syslet_req req; |
ebac4655 JA |
112 | #endif |
113 | }; | |
114 | struct timeval start_time; | |
115 | struct timeval issue_time; | |
116 | ||
1c9e06ee JA |
117 | /* |
118 | * Allocated/set buffer and length | |
119 | */ | |
6b9cea23 | 120 | void *buf; |
a4f4fdd7 | 121 | unsigned long buflen; |
ebac4655 JA |
122 | unsigned long long offset; |
123 | ||
1c9e06ee JA |
124 | /* |
125 | * IO engine state, may be different from above when we get | |
126 | * partial transfers / residual data counts | |
127 | */ | |
cec6b55d | 128 | void *xfer_buf; |
a4f4fdd7 | 129 | unsigned long xfer_buflen; |
cec6b55d | 130 | |
ebac4655 JA |
131 | unsigned int resid; |
132 | unsigned int error; | |
133 | ||
1e97cce9 | 134 | enum fio_ddir ddir; |
ebac4655 | 135 | |
dfd7bc2c JA |
136 | /* |
137 | * io engine private data | |
138 | */ | |
139 | union { | |
140 | unsigned int index; | |
141 | unsigned int seen; | |
142 | }; | |
143 | ||
0c6e7517 JA |
144 | unsigned int flags; |
145 | ||
53cdc686 JA |
146 | struct fio_file *file; |
147 | ||
ebac4655 | 148 | struct list_head list; |
d7762cf8 JA |
149 | |
150 | /* | |
151 | * Callback for io completion | |
152 | */ | |
153 | int (*end_io)(struct io_u *); | |
ebac4655 JA |
154 | }; |
155 | ||
36167d82 JA |
156 | /* |
157 | * io_ops->queue() return values | |
158 | */ | |
159 | enum { | |
160 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
161 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 162 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
163 | }; |
164 | ||
ebac4655 JA |
165 | #define FIO_HDR_MAGIC 0xf00baaef |
166 | ||
167 | enum { | |
1c9e06ee JA |
168 | VERIFY_NONE = 0, /* no verification */ |
169 | VERIFY_MD5, /* md5 sum data blocks */ | |
170 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
ebac4655 JA |
171 | }; |
172 | ||
1c9e06ee JA |
173 | /* |
174 | * A header structure associated with each checksummed data block | |
175 | */ | |
ebac4655 JA |
176 | struct verify_header { |
177 | unsigned int fio_magic; | |
178 | unsigned int len; | |
179 | unsigned int verify_type; | |
180 | union { | |
181 | char md5_digest[MD5_HASH_WORDS * 4]; | |
182 | unsigned long crc32; | |
183 | }; | |
184 | }; | |
185 | ||
186 | struct group_run_stats { | |
9104f874 JA |
187 | unsigned long long max_run[2], min_run[2]; |
188 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 189 | unsigned long long io_kb[2]; |
9104f874 | 190 | unsigned long long agg[2]; |
ebac4655 JA |
191 | }; |
192 | ||
e9c047a0 JA |
193 | /* |
194 | * What type of allocation to use for io buffers | |
195 | */ | |
196 | enum fio_memtype { | |
197 | MEM_MALLOC = 0, /* ordinary malloc */ | |
198 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 199 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 200 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 201 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
202 | }; |
203 | ||
204 | /* | |
205 | * The type of object we are working on | |
206 | */ | |
207 | enum fio_filetype { | |
1c9e06ee JA |
208 | FIO_TYPE_FILE = 1, /* plain file */ |
209 | FIO_TYPE_BD, /* block device */ | |
210 | FIO_TYPE_CHAR, /* character device */ | |
e9c047a0 JA |
211 | }; |
212 | ||
2866c82d | 213 | enum fio_ioengine_flags { |
1c9e06ee | 214 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
215 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
216 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 217 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 218 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
e9c047a0 JA |
219 | }; |
220 | ||
f11bd94d | 221 | enum fio_file_flags { |
0ad920e7 JA |
222 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
223 | FIO_FILE_UNLINK = 1 << 1, /* unlink on close */ | |
224 | FIO_FILE_CLOSING = 1 << 2, /* file being closed */ | |
f11bd94d JA |
225 | }; |
226 | ||
1c9e06ee JA |
227 | /* |
228 | * Each thread_data structure has a number of files associated with it, | |
229 | * this structure holds state information for a single file. | |
230 | */ | |
53cdc686 | 231 | struct fio_file { |
af52b345 JA |
232 | enum fio_filetype filetype; |
233 | ||
53cdc686 JA |
234 | /* |
235 | * A file may not be a file descriptor, let the io engine decide | |
236 | */ | |
237 | union { | |
238 | unsigned long file_data; | |
e26f8f7a | 239 | int fd; |
53cdc686 | 240 | }; |
af52b345 | 241 | const char *file_name; |
53cdc686 JA |
242 | void *mmap; |
243 | unsigned long long file_size; | |
244 | unsigned long long real_file_size; | |
245 | unsigned long long file_offset; | |
246 | unsigned long long last_pos; | |
02bcaa8c | 247 | unsigned long long last_completed_pos; |
53cdc686 | 248 | |
1c9e06ee JA |
249 | /* |
250 | * block map for random io | |
251 | */ | |
53cdc686 JA |
252 | unsigned long *file_map; |
253 | unsigned int num_maps; | |
1c9e06ee | 254 | unsigned int last_free_lookup; |
9b031dc8 | 255 | |
0ad920e7 | 256 | int references; |
f11bd94d | 257 | enum fio_file_flags flags; |
53cdc686 JA |
258 | }; |
259 | ||
b2560f3c JA |
260 | /* |
261 | * How many depth levels to log | |
262 | */ | |
263 | #define FIO_IO_U_MAP_NR 8 | |
264 | #define FIO_IO_U_LAT_NR 12 | |
265 | ||
079ad09b | 266 | struct thread_stat { |
756867bd JA |
267 | char *name; |
268 | char *verror; | |
269 | int error; | |
270 | int groupid; | |
271 | pid_t pid; | |
272 | char *description; | |
6586ee89 | 273 | int members; |
756867bd | 274 | |
079ad09b JA |
275 | struct io_log *slat_log; |
276 | struct io_log *clat_log; | |
277 | struct io_log *bw_log; | |
278 | ||
279 | /* | |
280 | * bandwidth and latency stats | |
281 | */ | |
282 | struct io_stat clat_stat[2]; /* completion latency */ | |
283 | struct io_stat slat_stat[2]; /* submission latency */ | |
284 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
285 | ||
286 | unsigned long long stat_io_bytes[2]; | |
287 | struct timeval stat_sample_time[2]; | |
288 | ||
289 | /* | |
290 | * fio system usage accounting | |
291 | */ | |
292 | struct rusage ru_start; | |
293 | struct rusage ru_end; | |
294 | unsigned long usr_time; | |
295 | unsigned long sys_time; | |
296 | unsigned long ctx; | |
079ad09b | 297 | |
b2560f3c JA |
298 | /* |
299 | * IO depth and latency stats | |
300 | */ | |
301 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
302 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 303 | unsigned long total_io_u[2]; |
756867bd JA |
304 | |
305 | unsigned long long io_bytes[2]; | |
306 | unsigned long runtime[2]; | |
307 | unsigned long total_run_time; | |
b2560f3c | 308 | }; |
71619dc2 | 309 | |
e9c047a0 JA |
310 | /* |
311 | * This describes a single thread/process executing a fio job. | |
312 | */ | |
ebac4655 | 313 | struct thread_data { |
b1ec1da6 | 314 | int pad; |
61697c37 | 315 | char *description; |
b4692828 | 316 | char *name; |
ef899b63 | 317 | char *directory; |
13f8e2d2 | 318 | char *filename; |
09629a90 | 319 | char *ioengine; |
480936dd | 320 | char verror[128]; |
ebac4655 JA |
321 | pthread_t thread; |
322 | int thread_number; | |
323 | int groupid; | |
756867bd | 324 | struct thread_stat ts; |
53cdc686 JA |
325 | struct fio_file *files; |
326 | unsigned int nr_files; | |
bdb4e2e9 | 327 | unsigned int nr_open_files; |
13f8e2d2 | 328 | unsigned int nr_uniq_files; |
0aabe160 JA |
329 | union { |
330 | unsigned int next_file; | |
331 | os_random_state_t next_file_state; | |
332 | }; | |
ebac4655 | 333 | int error; |
ebac4655 JA |
334 | pid_t pid; |
335 | char *orig_buffer; | |
336 | size_t orig_buffer_size; | |
337 | volatile int terminate; | |
338 | volatile int runstate; | |
413dd459 | 339 | enum td_ddir td_ddir; |
ebac4655 | 340 | unsigned int ioprio; |
87dc1ab1 | 341 | unsigned int last_was_sync; |
e9c047a0 | 342 | |
9158d2f7 JA |
343 | unsigned int odirect; |
344 | unsigned int invalidate_cache; | |
345 | unsigned int create_serialize; | |
346 | unsigned int create_fsync; | |
347 | unsigned int end_fsync; | |
348 | unsigned int sync_io; | |
349 | unsigned int verify; | |
350 | unsigned int use_thread; | |
351 | unsigned int unlink; | |
352 | unsigned int do_disk_util; | |
353 | unsigned int override_sync; | |
354 | unsigned int rand_repeatable; | |
355 | unsigned int write_lat_log; | |
356 | unsigned int write_bw_log; | |
bb8895e0 | 357 | unsigned int norandommap; |
690adba3 | 358 | unsigned int bs_unaligned; |
e9c047a0 | 359 | |
a00735e6 JA |
360 | unsigned int bs[2]; |
361 | unsigned int min_bs[2]; | |
362 | unsigned int max_bs[2]; | |
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; |
313cb206 JA |
377 | char *mmapfile; |
378 | int mmapfd; | |
ebac4655 JA |
379 | unsigned int stonewall; |
380 | unsigned int numjobs; | |
ebac4655 | 381 | unsigned int iodepth; |
e916b390 | 382 | unsigned int iodepth_low; |
cb5ab512 | 383 | unsigned int iodepth_batch; |
ebac4655 | 384 | os_cpu_mask_t cpumask; |
aea47d44 | 385 | unsigned int iolog; |
843a7413 | 386 | unsigned int read_iolog; |
a6ccc7be JA |
387 | unsigned int rwmixcycle; |
388 | unsigned int rwmixread; | |
e1f36503 | 389 | unsigned int rwmixwrite; |
b6f4d880 | 390 | unsigned int nice; |
0aabe160 | 391 | unsigned int file_service_type; |
b2560f3c | 392 | unsigned int group_reporting; |
b5af8293 | 393 | unsigned int open_files; |
aea47d44 | 394 | |
076efc7c JA |
395 | char *read_iolog_file; |
396 | char *write_iolog_file; | |
843a7413 JA |
397 | void *iolog_buf; |
398 | FILE *iolog_f; | |
ebac4655 | 399 | |
da86774e | 400 | char *sysfs_root; |
da86774e JA |
401 | char *ioscheduler; |
402 | ||
6dfd46b9 JA |
403 | os_random_state_t bsrange_state; |
404 | os_random_state_t verify_state; | |
ebac4655 JA |
405 | |
406 | int shm_id; | |
407 | ||
e9c047a0 JA |
408 | /* |
409 | * IO engine hooks, contains everything needed to submit an io_u | |
410 | * to any of the available IO engines. | |
411 | */ | |
2866c82d | 412 | struct ioengine_ops *io_ops; |
ebac4655 | 413 | |
e9c047a0 JA |
414 | /* |
415 | * Current IO depth and list of free and busy io_u's. | |
416 | */ | |
ebac4655 JA |
417 | unsigned int cur_depth; |
418 | struct list_head io_u_freelist; | |
419 | struct list_head io_u_busylist; | |
755200a3 | 420 | struct list_head io_u_requeues; |
cb5ab512 | 421 | unsigned int io_u_queued; |
ebac4655 | 422 | |
e9c047a0 JA |
423 | /* |
424 | * Rate state | |
425 | */ | |
ebac4655 JA |
426 | unsigned int rate; |
427 | unsigned int ratemin; | |
428 | unsigned int ratecycle; | |
429 | unsigned long rate_usec_cycle; | |
430 | long rate_pending_usleep; | |
431 | unsigned long rate_bytes; | |
432 | struct timeval lastrate; | |
433 | ||
ebac4655 | 434 | unsigned long long io_size; |
53cdc686 JA |
435 | unsigned long long total_file_size; |
436 | unsigned long long start_offset; | |
ebac4655 JA |
437 | unsigned long long total_io_size; |
438 | ||
755200a3 | 439 | unsigned long io_issues[2]; |
9104f874 JA |
440 | unsigned long long io_blocks[2]; |
441 | unsigned long long io_bytes[2]; | |
9104f874 | 442 | unsigned long long this_io_bytes[2]; |
079ad09b | 443 | unsigned long long zone_bytes; |
07739b57 | 444 | struct fio_sem *mutex; |
ebac4655 | 445 | |
e9c047a0 JA |
446 | /* |
447 | * State for random io, a bitmap of blocks done vs not done | |
448 | */ | |
6dfd46b9 | 449 | os_random_state_t random_state; |
ebac4655 | 450 | |
b990b5c0 JA |
451 | /* |
452 | * CPU "io" cycle burner | |
453 | */ | |
454 | unsigned int cpuload; | |
455 | unsigned int cpucycle; | |
456 | ||
ebac4655 JA |
457 | struct timeval start; /* start of this loop */ |
458 | struct timeval epoch; /* time job was started */ | |
459 | ||
e9c047a0 JA |
460 | /* |
461 | * read/write mixed workload state | |
462 | */ | |
6dfd46b9 | 463 | os_random_state_t rwmix_state; |
a6ccc7be | 464 | struct timeval rwmix_switch; |
e9c047a0 | 465 | enum fio_ddir rwmix_ddir; |
a6ccc7be | 466 | |
4e0ba8af JA |
467 | /* |
468 | * Pre-run and post-run shell | |
469 | */ | |
470 | char *exec_prerun; | |
471 | char *exec_postrun; | |
472 | ||
e9c047a0 JA |
473 | /* |
474 | * IO historic logs | |
475 | */ | |
ebac4655 | 476 | struct list_head io_hist_list; |
aea47d44 | 477 | struct list_head io_log_list; |
433afcb4 JA |
478 | |
479 | /* | |
480 | * timeout handling | |
481 | */ | |
482 | struct timeval timeout_end; | |
483 | struct itimerval timer; | |
1907dbc6 JA |
484 | |
485 | /* | |
486 | * for fileservice, how often to switch to a new file | |
487 | */ | |
488 | unsigned int file_service_nr; | |
489 | unsigned int file_service_left; | |
490 | struct fio_file *file_service_file; | |
ebac4655 JA |
491 | }; |
492 | ||
0aabe160 JA |
493 | /* |
494 | * roundrobin available files, or choose one at random. | |
495 | */ | |
496 | enum { | |
497 | FIO_FSERVICE_RANDOM = 1, | |
498 | FIO_FSERVICE_RR = 2, | |
499 | }; | |
500 | ||
433afcb4 JA |
501 | /* |
502 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
503 | * the timer on each queue operation. | |
504 | */ | |
505 | #define IO_U_TIMEOUT_INC 5 | |
506 | #define IO_U_TIMEOUT 30 | |
507 | ||
e1161c32 | 508 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 509 | do { \ |
19abcd3d JA |
510 | if ((td)->error) \ |
511 | break; \ | |
ebac4655 JA |
512 | int e = (err); \ |
513 | (td)->error = e; \ | |
e1161c32 | 514 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
515 | } while (0) |
516 | ||
b990b5c0 | 517 | |
e1161c32 JA |
518 | #define td_verror(td, err, func) \ |
519 | __td_verror((td), (err), strerror((err)), (func)) | |
520 | #define td_vmsg(td, err, msg, func) \ | |
521 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 522 | |
ebac4655 JA |
523 | extern int exitall_on_terminate; |
524 | extern int thread_number; | |
9cedf167 | 525 | extern int nr_process, nr_thread; |
ebac4655 JA |
526 | extern int shm_id; |
527 | extern int groupid; | |
c6ae0a5b | 528 | extern int terse_output; |
eb8bbf48 JA |
529 | extern FILE *f_out; |
530 | extern FILE *f_err; | |
53cdc686 | 531 | extern int temp_stall_ts; |
1e97cce9 | 532 | extern unsigned long long mlock_size; |
ebac4655 JA |
533 | |
534 | extern struct thread_data *threads; | |
535 | ||
413dd459 JA |
536 | #define td_read(td) ((td)->td_ddir & TD_DDIR_READ) |
537 | #define td_write(td) ((td)->td_ddir & TD_DDIR_WRITE) | |
538 | #define td_rw(td) (((td)->td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
539 | #define td_random(td) ((td)->td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
540 | |
541 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
a00735e6 | 542 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_min_bs)) |
53cdc686 JA |
543 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
544 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
545 | |
546 | #define MAX_JOBS (1024) | |
547 | ||
87dc1ab1 JA |
548 | static inline int should_fsync(struct thread_data *td) |
549 | { | |
550 | if (td->last_was_sync) | |
551 | return 0; | |
552 | if (td->odirect) | |
553 | return 0; | |
554 | if (td_write(td) || td_rw(td) || td->override_sync) | |
555 | return 1; | |
556 | ||
557 | return 0; | |
558 | } | |
559 | ||
1c9e06ee JA |
560 | /* |
561 | * Disk utils as read in /sys/block/<dev>/stat | |
562 | */ | |
ebac4655 JA |
563 | struct disk_util_stat { |
564 | unsigned ios[2]; | |
565 | unsigned merges[2]; | |
566 | unsigned long long sectors[2]; | |
567 | unsigned ticks[2]; | |
568 | unsigned io_ticks; | |
569 | unsigned time_in_queue; | |
570 | }; | |
571 | ||
1c9e06ee JA |
572 | /* |
573 | * Per-device disk util management | |
574 | */ | |
ebac4655 JA |
575 | struct disk_util { |
576 | struct list_head list; | |
577 | ||
578 | char *name; | |
579 | char path[256]; | |
580 | dev_t dev; | |
581 | ||
582 | struct disk_util_stat dus; | |
583 | struct disk_util_stat last_dus; | |
584 | ||
585 | unsigned long msec; | |
586 | struct timeval time; | |
587 | }; | |
588 | ||
ebac4655 JA |
589 | #define DISK_UTIL_MSEC (250) |
590 | ||
6a0106a0 JA |
591 | #ifndef min |
592 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
593 | #endif | |
a00735e6 JA |
594 | #ifndef max |
595 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
596 | #endif | |
6a0106a0 | 597 | |
6796209a JA |
598 | /* |
599 | * Log exports | |
600 | */ | |
72cb971b | 601 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 602 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 603 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
604 | extern void log_io_piece(struct thread_data *, struct io_u *); |
605 | extern void prune_io_piece_log(struct thread_data *); | |
606 | extern void write_iolog_close(struct thread_data *); | |
607 | ||
608 | /* | |
609 | * Logging | |
610 | */ | |
1e97cce9 JA |
611 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
612 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
613 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
614 | extern void show_run_stats(void); |
615 | extern void init_disk_util(struct thread_data *); | |
616 | extern void update_rusage_stat(struct thread_data *); | |
617 | extern void update_io_ticks(void); | |
618 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
619 | extern void setup_log(struct io_log **); |
620 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 621 | extern void __finish_log(struct io_log *, const char *); |
8914a9d8 | 622 | extern int setup_rate(struct thread_data *); |
bb3884d8 JA |
623 | extern struct io_log *agg_io_log[2]; |
624 | extern int write_bw_log; | |
625 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
626 | |
627 | /* | |
628 | * Time functions | |
629 | */ | |
630 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 631 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
632 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
633 | extern unsigned long mtime_since_now(struct timeval *); | |
634 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 635 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 636 | extern void __usec_sleep(unsigned int); |
6796209a | 637 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 638 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 639 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 640 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 641 | extern void set_genesis_time(void); |
6796209a | 642 | |
8914a9d8 JA |
643 | /* |
644 | * Init functions | |
645 | */ | |
72cb971b JA |
646 | extern int __must_check parse_options(int, char **); |
647 | extern int __must_check init_random_state(struct thread_data *); | |
8914a9d8 | 648 | |
53cdc686 JA |
649 | /* |
650 | * File setup/shutdown | |
651 | */ | |
652 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
653 | extern int __must_check setup_files(struct thread_data *); |
654 | extern int __must_check open_files(struct thread_data *); | |
655 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
656 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
657 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 658 | extern void add_file(struct thread_data *, const char *); |
0ad920e7 JA |
659 | extern void get_file(struct fio_file *); |
660 | extern void put_file(struct thread_data *, struct fio_file *); | |
53cdc686 | 661 | |
263e529f JA |
662 | /* |
663 | * ETA/status stuff | |
664 | */ | |
665 | extern void print_thread_status(void); | |
666 | extern void print_status_init(int); | |
667 | ||
668 | /* | |
669 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
670 | * will never back again. It may cycle between running/verififying/fsyncing. | |
671 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
672 | * reap it. | |
673 | */ | |
674 | enum { | |
675 | TD_NOT_CREATED = 0, | |
676 | TD_CREATED, | |
677 | TD_INITIALIZED, | |
678 | TD_RUNNING, | |
679 | TD_VERIFYING, | |
680 | TD_FSYNCING, | |
681 | TD_EXITED, | |
682 | TD_REAPED, | |
683 | }; | |
684 | ||
e29d1b70 JA |
685 | /* |
686 | * Verify helpers | |
687 | */ | |
688 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 JA |
689 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
690 | extern int __must_check verify_io_u(struct io_u *); | |
e29d1b70 | 691 | |
2f9ade3c JA |
692 | /* |
693 | * Memory helpers | |
694 | */ | |
b2fdda43 | 695 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 696 | extern void fio_unpin_memory(void); |
b2fdda43 | 697 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
698 | extern void free_io_mem(struct thread_data *); |
699 | ||
10ba535a JA |
700 | /* |
701 | * io unit handling | |
702 | */ | |
703 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
704 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 705 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 706 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 707 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
708 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
709 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 710 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 711 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
712 | extern void io_u_init_timeout(void); |
713 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 714 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
715 | |
716 | /* | |
717 | * io engine entry points | |
718 | */ | |
b2fdda43 JA |
719 | extern int __must_check td_io_init(struct thread_data *); |
720 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
721 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
722 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
723 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
724 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
725 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
726 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 727 | |
3b70d7e5 JA |
728 | /* |
729 | * If logging output to a file, stderr should go to both stderr and f_err | |
730 | */ | |
731 | #define log_err(args...) do { \ | |
732 | fprintf(f_err, ##args); \ | |
733 | if (f_err != stderr) \ | |
734 | fprintf(stderr, ##args); \ | |
735 | } while (0) | |
736 | ||
9728ce37 JB |
737 | FILE *get_f_out(void); |
738 | FILE *get_f_err(void); | |
739 | ||
2866c82d | 740 | struct ioengine_ops { |
5f350952 | 741 | struct list_head list; |
2866c82d JA |
742 | char name[16]; |
743 | int version; | |
744 | int flags; | |
ea2877a4 | 745 | int (*setup)(struct thread_data *); |
2866c82d JA |
746 | int (*init)(struct thread_data *); |
747 | int (*prep)(struct thread_data *, struct io_u *); | |
748 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 749 | int (*commit)(struct thread_data *); |
2866c82d JA |
750 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
751 | struct io_u *(*event)(struct thread_data *, int); | |
752 | int (*cancel)(struct thread_data *, struct io_u *); | |
753 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
754 | int (*open_file)(struct thread_data *, struct fio_file *); |
755 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
756 | void *data; |
757 | void *dlhandle; | |
758 | }; | |
759 | ||
b5af8293 | 760 | #define FIO_IOOPS_VERSION 6 |
2866c82d | 761 | |
b4692828 | 762 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 763 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 764 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
765 | extern void close_ioengine(struct thread_data *); |
766 | ||
767 | /* | |
768 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
769 | */ | |
770 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
771 | #define fio_init __attribute__((constructor)) |
772 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 773 | |
34572e28 JA |
774 | #define for_each_td(td, i) \ |
775 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 776 | #define for_each_file(td, f, i) \ |
af52b345 | 777 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->open_files; (i)++, (f)++) |
53cdc686 | 778 | |
0032bf9f JA |
779 | #define fio_assert(td, cond) do { \ |
780 | if (!(cond)) { \ | |
340fd243 | 781 | int *__foo = NULL; \ |
0032bf9f JA |
782 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
783 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 784 | (td)->error = EFAULT; \ |
340fd243 | 785 | *__foo = 0; \ |
0032bf9f JA |
786 | } \ |
787 | } while (0) | |
788 | ||
ebac4655 | 789 | #endif |