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 | ||
1c9e06ee JA |
221 | /* |
222 | * Each thread_data structure has a number of files associated with it, | |
223 | * this structure holds state information for a single file. | |
224 | */ | |
53cdc686 | 225 | struct fio_file { |
af52b345 JA |
226 | enum fio_filetype filetype; |
227 | ||
53cdc686 JA |
228 | /* |
229 | * A file may not be a file descriptor, let the io engine decide | |
230 | */ | |
231 | union { | |
232 | unsigned long file_data; | |
e26f8f7a | 233 | int fd; |
53cdc686 | 234 | }; |
af52b345 | 235 | const char *file_name; |
53cdc686 JA |
236 | void *mmap; |
237 | unsigned long long file_size; | |
238 | unsigned long long real_file_size; | |
239 | unsigned long long file_offset; | |
240 | unsigned long long last_pos; | |
02bcaa8c | 241 | unsigned long long last_completed_pos; |
53cdc686 | 242 | |
1c9e06ee JA |
243 | /* |
244 | * block map for random io | |
245 | */ | |
53cdc686 JA |
246 | unsigned long *file_map; |
247 | unsigned int num_maps; | |
1c9e06ee | 248 | unsigned int last_free_lookup; |
9b031dc8 JA |
249 | |
250 | unsigned int unlink; | |
860a3044 | 251 | unsigned int open; |
53cdc686 JA |
252 | }; |
253 | ||
b2560f3c JA |
254 | /* |
255 | * How many depth levels to log | |
256 | */ | |
257 | #define FIO_IO_U_MAP_NR 8 | |
258 | #define FIO_IO_U_LAT_NR 12 | |
259 | ||
079ad09b | 260 | struct thread_stat { |
756867bd JA |
261 | char *name; |
262 | char *verror; | |
263 | int error; | |
264 | int groupid; | |
265 | pid_t pid; | |
266 | char *description; | |
6586ee89 | 267 | int members; |
756867bd | 268 | |
079ad09b JA |
269 | struct io_log *slat_log; |
270 | struct io_log *clat_log; | |
271 | struct io_log *bw_log; | |
272 | ||
273 | /* | |
274 | * bandwidth and latency stats | |
275 | */ | |
276 | struct io_stat clat_stat[2]; /* completion latency */ | |
277 | struct io_stat slat_stat[2]; /* submission latency */ | |
278 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
279 | ||
280 | unsigned long long stat_io_bytes[2]; | |
281 | struct timeval stat_sample_time[2]; | |
282 | ||
283 | /* | |
284 | * fio system usage accounting | |
285 | */ | |
286 | struct rusage ru_start; | |
287 | struct rusage ru_end; | |
288 | unsigned long usr_time; | |
289 | unsigned long sys_time; | |
290 | unsigned long ctx; | |
079ad09b | 291 | |
b2560f3c JA |
292 | /* |
293 | * IO depth and latency stats | |
294 | */ | |
295 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
296 | unsigned int io_u_lat[FIO_IO_U_LAT_NR]; | |
b3605062 | 297 | unsigned long total_io_u[2]; |
756867bd JA |
298 | |
299 | unsigned long long io_bytes[2]; | |
300 | unsigned long runtime[2]; | |
301 | unsigned long total_run_time; | |
b2560f3c | 302 | }; |
71619dc2 | 303 | |
e9c047a0 JA |
304 | /* |
305 | * This describes a single thread/process executing a fio job. | |
306 | */ | |
ebac4655 | 307 | struct thread_data { |
b1ec1da6 | 308 | int pad; |
61697c37 | 309 | char *description; |
b4692828 | 310 | char *name; |
ef899b63 | 311 | char *directory; |
13f8e2d2 | 312 | char *filename; |
09629a90 | 313 | char *ioengine; |
480936dd | 314 | char verror[128]; |
ebac4655 JA |
315 | pthread_t thread; |
316 | int thread_number; | |
317 | int groupid; | |
756867bd | 318 | struct thread_stat ts; |
53cdc686 JA |
319 | struct fio_file *files; |
320 | unsigned int nr_files; | |
bdb4e2e9 | 321 | unsigned int nr_open_files; |
13f8e2d2 | 322 | unsigned int nr_uniq_files; |
0aabe160 JA |
323 | union { |
324 | unsigned int next_file; | |
325 | os_random_state_t next_file_state; | |
326 | }; | |
ebac4655 | 327 | int error; |
ebac4655 JA |
328 | pid_t pid; |
329 | char *orig_buffer; | |
330 | size_t orig_buffer_size; | |
331 | volatile int terminate; | |
332 | volatile int runstate; | |
413dd459 | 333 | enum td_ddir td_ddir; |
ebac4655 | 334 | unsigned int ioprio; |
87dc1ab1 | 335 | unsigned int last_was_sync; |
e9c047a0 | 336 | |
9158d2f7 JA |
337 | unsigned int odirect; |
338 | unsigned int invalidate_cache; | |
339 | unsigned int create_serialize; | |
340 | unsigned int create_fsync; | |
341 | unsigned int end_fsync; | |
342 | unsigned int sync_io; | |
343 | unsigned int verify; | |
344 | unsigned int use_thread; | |
345 | unsigned int unlink; | |
346 | unsigned int do_disk_util; | |
347 | unsigned int override_sync; | |
348 | unsigned int rand_repeatable; | |
349 | unsigned int write_lat_log; | |
350 | unsigned int write_bw_log; | |
bb8895e0 | 351 | unsigned int norandommap; |
690adba3 | 352 | unsigned int bs_unaligned; |
e9c047a0 | 353 | |
a00735e6 JA |
354 | unsigned int bs[2]; |
355 | unsigned int min_bs[2]; | |
356 | unsigned int max_bs[2]; | |
56bb17f2 | 357 | unsigned int hugepage_size; |
a00735e6 | 358 | unsigned int rw_min_bs; |
ebac4655 | 359 | unsigned int thinktime; |
48097d5c | 360 | unsigned int thinktime_spin; |
9c1f7434 | 361 | unsigned int thinktime_blocks; |
ebac4655 JA |
362 | unsigned int fsync_blocks; |
363 | unsigned int start_delay; | |
906c8d75 | 364 | unsigned long timeout; |
ebac4655 | 365 | unsigned int overwrite; |
ebac4655 | 366 | unsigned int bw_avg_time; |
ebac4655 | 367 | unsigned int loops; |
20dc95c4 JA |
368 | unsigned long long zone_size; |
369 | unsigned long long zone_skip; | |
e9c047a0 | 370 | enum fio_memtype mem_type; |
313cb206 JA |
371 | char *mmapfile; |
372 | int mmapfd; | |
ebac4655 JA |
373 | unsigned int stonewall; |
374 | unsigned int numjobs; | |
ebac4655 | 375 | unsigned int iodepth; |
e916b390 | 376 | unsigned int iodepth_low; |
cb5ab512 | 377 | unsigned int iodepth_batch; |
ebac4655 | 378 | os_cpu_mask_t cpumask; |
aea47d44 | 379 | unsigned int iolog; |
843a7413 | 380 | unsigned int read_iolog; |
a6ccc7be JA |
381 | unsigned int rwmixcycle; |
382 | unsigned int rwmixread; | |
e1f36503 | 383 | unsigned int rwmixwrite; |
b6f4d880 | 384 | unsigned int nice; |
0aabe160 | 385 | unsigned int file_service_type; |
b2560f3c | 386 | unsigned int group_reporting; |
b5af8293 | 387 | unsigned int open_files; |
aea47d44 | 388 | |
076efc7c JA |
389 | char *read_iolog_file; |
390 | char *write_iolog_file; | |
843a7413 JA |
391 | void *iolog_buf; |
392 | FILE *iolog_f; | |
ebac4655 | 393 | |
da86774e | 394 | char *sysfs_root; |
da86774e JA |
395 | char *ioscheduler; |
396 | ||
6dfd46b9 JA |
397 | os_random_state_t bsrange_state; |
398 | os_random_state_t verify_state; | |
ebac4655 JA |
399 | |
400 | int shm_id; | |
401 | ||
e9c047a0 JA |
402 | /* |
403 | * IO engine hooks, contains everything needed to submit an io_u | |
404 | * to any of the available IO engines. | |
405 | */ | |
2866c82d | 406 | struct ioengine_ops *io_ops; |
ebac4655 | 407 | |
e9c047a0 JA |
408 | /* |
409 | * Current IO depth and list of free and busy io_u's. | |
410 | */ | |
ebac4655 JA |
411 | unsigned int cur_depth; |
412 | struct list_head io_u_freelist; | |
413 | struct list_head io_u_busylist; | |
755200a3 | 414 | struct list_head io_u_requeues; |
cb5ab512 | 415 | unsigned int io_u_queued; |
ebac4655 | 416 | |
e9c047a0 JA |
417 | /* |
418 | * Rate state | |
419 | */ | |
ebac4655 JA |
420 | unsigned int rate; |
421 | unsigned int ratemin; | |
422 | unsigned int ratecycle; | |
423 | unsigned long rate_usec_cycle; | |
424 | long rate_pending_usleep; | |
425 | unsigned long rate_bytes; | |
426 | struct timeval lastrate; | |
427 | ||
ebac4655 | 428 | unsigned long long io_size; |
53cdc686 JA |
429 | unsigned long long total_file_size; |
430 | unsigned long long start_offset; | |
ebac4655 JA |
431 | unsigned long long total_io_size; |
432 | ||
755200a3 | 433 | unsigned long io_issues[2]; |
9104f874 JA |
434 | unsigned long long io_blocks[2]; |
435 | unsigned long long io_bytes[2]; | |
9104f874 | 436 | unsigned long long this_io_bytes[2]; |
079ad09b | 437 | unsigned long long zone_bytes; |
07739b57 | 438 | struct fio_sem *mutex; |
ebac4655 | 439 | |
e9c047a0 JA |
440 | /* |
441 | * State for random io, a bitmap of blocks done vs not done | |
442 | */ | |
6dfd46b9 | 443 | os_random_state_t random_state; |
ebac4655 | 444 | |
b990b5c0 JA |
445 | /* |
446 | * CPU "io" cycle burner | |
447 | */ | |
448 | unsigned int cpuload; | |
449 | unsigned int cpucycle; | |
450 | ||
ebac4655 JA |
451 | struct timeval start; /* start of this loop */ |
452 | struct timeval epoch; /* time job was started */ | |
453 | ||
e9c047a0 JA |
454 | /* |
455 | * read/write mixed workload state | |
456 | */ | |
6dfd46b9 | 457 | os_random_state_t rwmix_state; |
a6ccc7be | 458 | struct timeval rwmix_switch; |
e9c047a0 | 459 | enum fio_ddir rwmix_ddir; |
a6ccc7be | 460 | |
4e0ba8af JA |
461 | /* |
462 | * Pre-run and post-run shell | |
463 | */ | |
464 | char *exec_prerun; | |
465 | char *exec_postrun; | |
466 | ||
e9c047a0 JA |
467 | /* |
468 | * IO historic logs | |
469 | */ | |
ebac4655 | 470 | struct list_head io_hist_list; |
aea47d44 | 471 | struct list_head io_log_list; |
433afcb4 JA |
472 | |
473 | /* | |
474 | * timeout handling | |
475 | */ | |
476 | struct timeval timeout_end; | |
477 | struct itimerval timer; | |
1907dbc6 JA |
478 | |
479 | /* | |
480 | * for fileservice, how often to switch to a new file | |
481 | */ | |
482 | unsigned int file_service_nr; | |
483 | unsigned int file_service_left; | |
484 | struct fio_file *file_service_file; | |
ebac4655 JA |
485 | }; |
486 | ||
0aabe160 JA |
487 | /* |
488 | * roundrobin available files, or choose one at random. | |
489 | */ | |
490 | enum { | |
491 | FIO_FSERVICE_RANDOM = 1, | |
492 | FIO_FSERVICE_RR = 2, | |
493 | }; | |
494 | ||
433afcb4 JA |
495 | /* |
496 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
497 | * the timer on each queue operation. | |
498 | */ | |
499 | #define IO_U_TIMEOUT_INC 5 | |
500 | #define IO_U_TIMEOUT 30 | |
501 | ||
e1161c32 | 502 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 503 | do { \ |
19abcd3d JA |
504 | if ((td)->error) \ |
505 | break; \ | |
ebac4655 JA |
506 | int e = (err); \ |
507 | (td)->error = e; \ | |
e1161c32 | 508 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
509 | } while (0) |
510 | ||
b990b5c0 | 511 | |
e1161c32 JA |
512 | #define td_verror(td, err, func) \ |
513 | __td_verror((td), (err), strerror((err)), (func)) | |
514 | #define td_vmsg(td, err, msg, func) \ | |
515 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 516 | |
ebac4655 JA |
517 | extern int exitall_on_terminate; |
518 | extern int thread_number; | |
9cedf167 | 519 | extern int nr_process, nr_thread; |
ebac4655 JA |
520 | extern int shm_id; |
521 | extern int groupid; | |
c6ae0a5b | 522 | extern int terse_output; |
eb8bbf48 JA |
523 | extern FILE *f_out; |
524 | extern FILE *f_err; | |
53cdc686 | 525 | extern int temp_stall_ts; |
1e97cce9 | 526 | extern unsigned long long mlock_size; |
ebac4655 JA |
527 | |
528 | extern struct thread_data *threads; | |
529 | ||
413dd459 JA |
530 | #define td_read(td) ((td)->td_ddir & TD_DDIR_READ) |
531 | #define td_write(td) ((td)->td_ddir & TD_DDIR_WRITE) | |
532 | #define td_rw(td) (((td)->td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
533 | #define td_random(td) ((td)->td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
534 | |
535 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
a00735e6 | 536 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_min_bs)) |
53cdc686 JA |
537 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
538 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
539 | |
540 | #define MAX_JOBS (1024) | |
541 | ||
87dc1ab1 JA |
542 | static inline int should_fsync(struct thread_data *td) |
543 | { | |
544 | if (td->last_was_sync) | |
545 | return 0; | |
546 | if (td->odirect) | |
547 | return 0; | |
548 | if (td_write(td) || td_rw(td) || td->override_sync) | |
549 | return 1; | |
550 | ||
551 | return 0; | |
552 | } | |
553 | ||
1c9e06ee JA |
554 | /* |
555 | * Disk utils as read in /sys/block/<dev>/stat | |
556 | */ | |
ebac4655 JA |
557 | struct disk_util_stat { |
558 | unsigned ios[2]; | |
559 | unsigned merges[2]; | |
560 | unsigned long long sectors[2]; | |
561 | unsigned ticks[2]; | |
562 | unsigned io_ticks; | |
563 | unsigned time_in_queue; | |
564 | }; | |
565 | ||
1c9e06ee JA |
566 | /* |
567 | * Per-device disk util management | |
568 | */ | |
ebac4655 JA |
569 | struct disk_util { |
570 | struct list_head list; | |
571 | ||
572 | char *name; | |
573 | char path[256]; | |
574 | dev_t dev; | |
575 | ||
576 | struct disk_util_stat dus; | |
577 | struct disk_util_stat last_dus; | |
578 | ||
579 | unsigned long msec; | |
580 | struct timeval time; | |
581 | }; | |
582 | ||
ebac4655 JA |
583 | #define DISK_UTIL_MSEC (250) |
584 | ||
6a0106a0 JA |
585 | #ifndef min |
586 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
587 | #endif | |
a00735e6 JA |
588 | #ifndef max |
589 | #define max(a, b) ((a) > (b) ? (a) : (b)) | |
590 | #endif | |
6a0106a0 | 591 | |
6796209a JA |
592 | /* |
593 | * Log exports | |
594 | */ | |
72cb971b | 595 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
6796209a | 596 | extern void write_iolog_put(struct thread_data *, struct io_u *); |
72cb971b | 597 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
598 | extern void log_io_piece(struct thread_data *, struct io_u *); |
599 | extern void prune_io_piece_log(struct thread_data *); | |
600 | extern void write_iolog_close(struct thread_data *); | |
601 | ||
602 | /* | |
603 | * Logging | |
604 | */ | |
1e97cce9 JA |
605 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
606 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
607 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
608 | extern void show_run_stats(void); |
609 | extern void init_disk_util(struct thread_data *); | |
610 | extern void update_rusage_stat(struct thread_data *); | |
611 | extern void update_io_ticks(void); | |
612 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
613 | extern void setup_log(struct io_log **); |
614 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 615 | extern void __finish_log(struct io_log *, const char *); |
8914a9d8 | 616 | extern int setup_rate(struct thread_data *); |
bb3884d8 JA |
617 | extern struct io_log *agg_io_log[2]; |
618 | extern int write_bw_log; | |
619 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
620 | |
621 | /* | |
622 | * Time functions | |
623 | */ | |
624 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 625 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
626 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
627 | extern unsigned long mtime_since_now(struct timeval *); | |
628 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 629 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 630 | extern void __usec_sleep(unsigned int); |
6796209a | 631 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 632 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 633 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 634 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 635 | extern void set_genesis_time(void); |
6796209a | 636 | |
8914a9d8 JA |
637 | /* |
638 | * Init functions | |
639 | */ | |
72cb971b JA |
640 | extern int __must_check parse_options(int, char **); |
641 | extern int __must_check init_random_state(struct thread_data *); | |
8914a9d8 | 642 | |
53cdc686 JA |
643 | /* |
644 | * File setup/shutdown | |
645 | */ | |
646 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
647 | extern int __must_check setup_files(struct thread_data *); |
648 | extern int __must_check open_files(struct thread_data *); | |
649 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
650 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
651 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
af52b345 | 652 | extern void add_file(struct thread_data *, const char *); |
53cdc686 | 653 | |
263e529f JA |
654 | /* |
655 | * ETA/status stuff | |
656 | */ | |
657 | extern void print_thread_status(void); | |
658 | extern void print_status_init(int); | |
659 | ||
660 | /* | |
661 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
662 | * will never back again. It may cycle between running/verififying/fsyncing. | |
663 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
664 | * reap it. | |
665 | */ | |
666 | enum { | |
667 | TD_NOT_CREATED = 0, | |
668 | TD_CREATED, | |
669 | TD_INITIALIZED, | |
670 | TD_RUNNING, | |
671 | TD_VERIFYING, | |
672 | TD_FSYNCING, | |
673 | TD_EXITED, | |
674 | TD_REAPED, | |
675 | }; | |
676 | ||
e29d1b70 JA |
677 | /* |
678 | * Verify helpers | |
679 | */ | |
680 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 JA |
681 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
682 | extern int __must_check verify_io_u(struct io_u *); | |
e29d1b70 | 683 | |
2f9ade3c JA |
684 | /* |
685 | * Memory helpers | |
686 | */ | |
b2fdda43 | 687 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 688 | extern void fio_unpin_memory(void); |
b2fdda43 | 689 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
690 | extern void free_io_mem(struct thread_data *); |
691 | ||
10ba535a JA |
692 | /* |
693 | * io unit handling | |
694 | */ | |
695 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
696 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 697 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 698 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 699 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
700 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
701 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 702 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 703 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
704 | extern void io_u_init_timeout(void); |
705 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 706 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
707 | |
708 | /* | |
709 | * io engine entry points | |
710 | */ | |
b2fdda43 JA |
711 | extern int __must_check td_io_init(struct thread_data *); |
712 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
713 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
714 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
715 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
716 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
717 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
718 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 719 | |
3b70d7e5 JA |
720 | /* |
721 | * If logging output to a file, stderr should go to both stderr and f_err | |
722 | */ | |
723 | #define log_err(args...) do { \ | |
724 | fprintf(f_err, ##args); \ | |
725 | if (f_err != stderr) \ | |
726 | fprintf(stderr, ##args); \ | |
727 | } while (0) | |
728 | ||
9728ce37 JB |
729 | FILE *get_f_out(void); |
730 | FILE *get_f_err(void); | |
731 | ||
2866c82d | 732 | struct ioengine_ops { |
5f350952 | 733 | struct list_head list; |
2866c82d JA |
734 | char name[16]; |
735 | int version; | |
736 | int flags; | |
ea2877a4 | 737 | int (*setup)(struct thread_data *); |
2866c82d JA |
738 | int (*init)(struct thread_data *); |
739 | int (*prep)(struct thread_data *, struct io_u *); | |
740 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 741 | int (*commit)(struct thread_data *); |
2866c82d JA |
742 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
743 | struct io_u *(*event)(struct thread_data *, int); | |
744 | int (*cancel)(struct thread_data *, struct io_u *); | |
745 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
746 | int (*open_file)(struct thread_data *, struct fio_file *); |
747 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
748 | void *data; |
749 | void *dlhandle; | |
750 | }; | |
751 | ||
b5af8293 | 752 | #define FIO_IOOPS_VERSION 6 |
2866c82d | 753 | |
b4692828 | 754 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 755 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 756 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
757 | extern void close_ioengine(struct thread_data *); |
758 | ||
759 | /* | |
760 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
761 | */ | |
762 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
763 | #define fio_init __attribute__((constructor)) |
764 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 765 | |
34572e28 JA |
766 | #define for_each_td(td, i) \ |
767 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 768 | #define for_each_file(td, f, i) \ |
af52b345 | 769 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->open_files; (i)++, (f)++) |
53cdc686 | 770 | |
0032bf9f JA |
771 | #define fio_assert(td, cond) do { \ |
772 | if (!(cond)) { \ | |
340fd243 | 773 | int *__foo = NULL; \ |
0032bf9f JA |
774 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
775 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 776 | (td)->error = EFAULT; \ |
340fd243 | 777 | *__foo = 0; \ |
0032bf9f JA |
778 | } \ |
779 | } while (0) | |
780 | ||
ebac4655 | 781 | #endif |