Commit | Line | Data |
---|---|---|
ebac4655 JA |
1 | #ifndef FIO_H |
2 | #define FIO_H | |
3 | ||
4 | #include <sched.h> | |
5 | #include <limits.h> | |
6 | #include <pthread.h> | |
7 | #include <sys/time.h> | |
8 | #include <sys/resource.h> | |
3c39a379 JA |
9 | #include <errno.h> |
10 | #include <stdlib.h> | |
11 | #include <stdio.h> | |
6d6f031f | 12 | #include <unistd.h> |
34cfcdaf | 13 | #include <string.h> |
214e1eca | 14 | #include <getopt.h> |
ebac4655 | 15 | |
317b95d0 | 16 | #include "compiler/compiler.h" |
ebac4655 | 17 | #include "list.h" |
e2887563 | 18 | #include "fifo.h" |
4b87898e | 19 | #include "rbtree.h" |
ebac4655 JA |
20 | #include "md5.h" |
21 | #include "crc32.h" | |
969f7ed3 | 22 | #include "crc16.h" |
1e154bdb | 23 | #include "crc7.h" |
317b95d0 JA |
24 | #include "arch/arch.h" |
25 | #include "os/os.h" | |
07739b57 | 26 | #include "mutex.h" |
ebac4655 | 27 | |
b6959b55 | 28 | #ifdef FIO_HAVE_SYSLET |
a4f4fdd7 | 29 | #include "syslet.h" |
b6959b55 | 30 | #endif |
a4f4fdd7 | 31 | |
609342ff DL |
32 | #ifdef FIO_HAVE_GUASI |
33 | #include <guasi.h> | |
34 | #endif | |
35 | ||
1e97cce9 JA |
36 | enum fio_ddir { |
37 | DDIR_READ = 0, | |
38 | DDIR_WRITE, | |
39 | DDIR_SYNC, | |
f29b25a3 | 40 | DDIR_INVAL = -1, |
1e97cce9 JA |
41 | }; |
42 | ||
413dd459 | 43 | enum td_ddir { |
b1ec1da6 JA |
44 | TD_DDIR_READ = 1 << 0, |
45 | TD_DDIR_WRITE = 1 << 1, | |
46 | TD_DDIR_RAND = 1 << 2, | |
47 | TD_DDIR_RW = TD_DDIR_READ | TD_DDIR_WRITE, | |
48 | TD_DDIR_RANDREAD = TD_DDIR_READ | TD_DDIR_RAND, | |
7ff1c14b | 49 | TD_DDIR_RANDWRITE = TD_DDIR_WRITE | TD_DDIR_RAND, |
b1ec1da6 | 50 | TD_DDIR_RANDRW = TD_DDIR_RW | TD_DDIR_RAND, |
413dd459 JA |
51 | }; |
52 | ||
1c9e06ee JA |
53 | /* |
54 | * Use for maintaining statistics | |
55 | */ | |
ebac4655 | 56 | struct io_stat { |
ebac4655 JA |
57 | unsigned long max_val; |
58 | unsigned long min_val; | |
59 | unsigned long samples; | |
68704084 JA |
60 | |
61 | double mean; | |
62 | double S; | |
ebac4655 JA |
63 | }; |
64 | ||
1c9e06ee JA |
65 | /* |
66 | * A single data sample | |
67 | */ | |
ebac4655 JA |
68 | struct io_sample { |
69 | unsigned long time; | |
70 | unsigned long val; | |
1e97cce9 | 71 | enum fio_ddir ddir; |
ebac4655 JA |
72 | }; |
73 | ||
1c9e06ee JA |
74 | /* |
75 | * Dynamically growing data sample log | |
76 | */ | |
ebac4655 JA |
77 | struct io_log { |
78 | unsigned long nr_samples; | |
79 | unsigned long max_samples; | |
80 | struct io_sample *log; | |
81 | }; | |
82 | ||
1c9e06ee JA |
83 | /* |
84 | * When logging io actions, this matches a single sent io_u | |
85 | */ | |
ebac4655 | 86 | struct io_piece { |
4b87898e JA |
87 | union { |
88 | struct rb_node rb_node; | |
89 | struct list_head list; | |
90 | }; | |
f29b25a3 JA |
91 | union { |
92 | int fileno; | |
93 | struct fio_file *file; | |
94 | }; | |
ebac4655 | 95 | unsigned long long offset; |
a4f4fdd7 | 96 | unsigned long len; |
1e97cce9 | 97 | enum fio_ddir ddir; |
f29b25a3 JA |
98 | union { |
99 | unsigned long delay; | |
100 | unsigned int file_action; | |
101 | }; | |
ebac4655 JA |
102 | }; |
103 | ||
a4f4fdd7 JA |
104 | #ifdef FIO_HAVE_SYSLET |
105 | struct syslet_req { | |
5b38ee84 JA |
106 | struct syslet_uatom atom; /* the atom to submit */ |
107 | struct syslet_uatom *head; /* head of the sequence */ | |
108 | long ret; /* syscall return value */ | |
a4f4fdd7 JA |
109 | }; |
110 | #endif | |
111 | ||
0c6e7517 JA |
112 | enum { |
113 | IO_U_F_FREE = 1 << 0, | |
114 | IO_U_F_FLIGHT = 1 << 1, | |
115 | }; | |
116 | ||
36690c9b JA |
117 | struct thread_data; |
118 | ||
ebac4655 JA |
119 | /* |
120 | * The io unit | |
121 | */ | |
122 | struct io_u { | |
123 | union { | |
124 | #ifdef FIO_HAVE_LIBAIO | |
125 | struct iocb iocb; | |
126 | #endif | |
127 | #ifdef FIO_HAVE_POSIXAIO | |
128 | struct aiocb aiocb; | |
129 | #endif | |
130 | #ifdef FIO_HAVE_SGIO | |
131 | struct sg_io_hdr hdr; | |
a4f4fdd7 JA |
132 | #endif |
133 | #ifdef FIO_HAVE_SYSLET | |
a2e1b08a | 134 | struct syslet_req req; |
609342ff DL |
135 | #endif |
136 | #ifdef FIO_HAVE_GUASI | |
137 | guasi_req_t greq; | |
ebac4655 JA |
138 | #endif |
139 | }; | |
140 | struct timeval start_time; | |
141 | struct timeval issue_time; | |
142 | ||
1c9e06ee JA |
143 | /* |
144 | * Allocated/set buffer and length | |
145 | */ | |
6b9cea23 | 146 | void *buf; |
a4f4fdd7 | 147 | unsigned long buflen; |
ebac4655 | 148 | unsigned long long offset; |
d460eb31 | 149 | unsigned long long endpos; |
ebac4655 | 150 | |
1c9e06ee JA |
151 | /* |
152 | * IO engine state, may be different from above when we get | |
153 | * partial transfers / residual data counts | |
154 | */ | |
cec6b55d | 155 | void *xfer_buf; |
a4f4fdd7 | 156 | unsigned long xfer_buflen; |
cec6b55d | 157 | |
ebac4655 JA |
158 | unsigned int resid; |
159 | unsigned int error; | |
160 | ||
1e97cce9 | 161 | enum fio_ddir ddir; |
ebac4655 | 162 | |
dfd7bc2c JA |
163 | /* |
164 | * io engine private data | |
165 | */ | |
166 | union { | |
167 | unsigned int index; | |
168 | unsigned int seen; | |
169 | }; | |
170 | ||
0c6e7517 JA |
171 | unsigned int flags; |
172 | ||
53cdc686 JA |
173 | struct fio_file *file; |
174 | ||
ebac4655 | 175 | struct list_head list; |
d7762cf8 JA |
176 | |
177 | /* | |
178 | * Callback for io completion | |
179 | */ | |
36690c9b | 180 | int (*end_io)(struct thread_data *, struct io_u *); |
ebac4655 JA |
181 | }; |
182 | ||
36167d82 JA |
183 | /* |
184 | * io_ops->queue() return values | |
185 | */ | |
186 | enum { | |
187 | FIO_Q_COMPLETED = 0, /* completed sync */ | |
188 | FIO_Q_QUEUED = 1, /* queued, will complete async */ | |
755200a3 | 189 | FIO_Q_BUSY = 2, /* no more room, call ->commit() */ |
36167d82 JA |
190 | }; |
191 | ||
ebac4655 JA |
192 | #define FIO_HDR_MAGIC 0xf00baaef |
193 | ||
194 | enum { | |
1c9e06ee JA |
195 | VERIFY_NONE = 0, /* no verification */ |
196 | VERIFY_MD5, /* md5 sum data blocks */ | |
197 | VERIFY_CRC32, /* crc32 sum data blocks */ | |
969f7ed3 | 198 | VERIFY_CRC16, /* crc16 sum data blocks */ |
1e154bdb | 199 | VERIFY_CRC7, /* crc7 sum data blocks */ |
36690c9b | 200 | VERIFY_NULL, /* pretend to verify */ |
ebac4655 JA |
201 | }; |
202 | ||
1c9e06ee JA |
203 | /* |
204 | * A header structure associated with each checksummed data block | |
205 | */ | |
ebac4655 JA |
206 | struct verify_header { |
207 | unsigned int fio_magic; | |
208 | unsigned int len; | |
209 | unsigned int verify_type; | |
210 | union { | |
211 | char md5_digest[MD5_HASH_WORDS * 4]; | |
212 | unsigned long crc32; | |
969f7ed3 | 213 | unsigned short crc16; |
1e154bdb | 214 | unsigned char crc7; |
ebac4655 JA |
215 | }; |
216 | }; | |
217 | ||
218 | struct group_run_stats { | |
9104f874 JA |
219 | unsigned long long max_run[2], min_run[2]; |
220 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 221 | unsigned long long io_kb[2]; |
9104f874 | 222 | unsigned long long agg[2]; |
ebac4655 JA |
223 | }; |
224 | ||
e9c047a0 JA |
225 | /* |
226 | * What type of allocation to use for io buffers | |
227 | */ | |
228 | enum fio_memtype { | |
229 | MEM_MALLOC = 0, /* ordinary malloc */ | |
230 | MEM_SHM, /* use shared memory segments */ | |
74b025b0 | 231 | MEM_SHMHUGE, /* use shared memory segments with huge pages */ |
e9c047a0 | 232 | MEM_MMAP, /* use anonynomous mmap */ |
d0bdaf49 | 233 | MEM_MMAPHUGE, /* memory mapped huge file */ |
e9c047a0 JA |
234 | }; |
235 | ||
236 | /* | |
237 | * The type of object we are working on | |
238 | */ | |
239 | enum fio_filetype { | |
1c9e06ee JA |
240 | FIO_TYPE_FILE = 1, /* plain file */ |
241 | FIO_TYPE_BD, /* block device */ | |
242 | FIO_TYPE_CHAR, /* character device */ | |
b5605e9d | 243 | FIO_TYPE_PIPE, /* pipe */ |
e9c047a0 JA |
244 | }; |
245 | ||
2866c82d | 246 | enum fio_ioengine_flags { |
1c9e06ee | 247 | FIO_SYNCIO = 1 << 0, /* io engine has synchronous ->queue */ |
ba0fbe10 JA |
248 | FIO_RAWIO = 1 << 1, /* some sort of direct/raw io */ |
249 | FIO_DISKLESSIO = 1 << 2, /* no disk involved */ | |
0263882a | 250 | FIO_NOEXTEND = 1 << 3, /* engine can't extend file */ |
62d984e2 | 251 | FIO_NODISKUTIL = 1 << 4, /* diskutil can't handle filename */ |
b67740d3 | 252 | FIO_UNIDIR = 1 << 5, /* engine is uni-directional */ |
e9c047a0 JA |
253 | }; |
254 | ||
f11bd94d | 255 | enum fio_file_flags { |
0ad920e7 | 256 | FIO_FILE_OPEN = 1 << 0, /* file is open */ |
a9b7b305 JA |
257 | FIO_FILE_CLOSING = 1 << 1, /* file being closed */ |
258 | FIO_FILE_EXISTS = 1 << 2, /* file there */ | |
259 | FIO_FILE_EXTEND = 1 << 3, /* needs extend */ | |
260 | FIO_FILE_NOSORT = 1 << 4, /* don't sort verify blocks */ | |
261 | FIO_FILE_DONE = 1 << 5, /* io completed to this file */ | |
262 | FIO_SIZE_KNOWN = 1 << 6, /* size has been set */ | |
f11bd94d JA |
263 | }; |
264 | ||
1c9e06ee JA |
265 | /* |
266 | * Each thread_data structure has a number of files associated with it, | |
267 | * this structure holds state information for a single file. | |
268 | */ | |
53cdc686 | 269 | struct fio_file { |
af52b345 JA |
270 | enum fio_filetype filetype; |
271 | ||
53cdc686 JA |
272 | /* |
273 | * A file may not be a file descriptor, let the io engine decide | |
274 | */ | |
275 | union { | |
276 | unsigned long file_data; | |
e26f8f7a | 277 | int fd; |
53cdc686 | 278 | }; |
7bb48f84 JA |
279 | |
280 | /* | |
281 | * filename and possible memory mapping | |
282 | */ | |
1315a68a | 283 | char *file_name; |
53cdc686 | 284 | void *mmap; |
5e6c2067 | 285 | unsigned int major, minor; |
7bb48f84 JA |
286 | |
287 | /* | |
288 | * size of the file, offset into file, and io size from that offset | |
289 | */ | |
53cdc686 JA |
290 | unsigned long long real_file_size; |
291 | unsigned long long file_offset; | |
7bb48f84 JA |
292 | unsigned long long io_size; |
293 | ||
53cdc686 | 294 | unsigned long long last_pos; |
02bcaa8c | 295 | unsigned long long last_completed_pos; |
53cdc686 | 296 | |
1c9e06ee JA |
297 | /* |
298 | * block map for random io | |
299 | */ | |
53cdc686 JA |
300 | unsigned long *file_map; |
301 | unsigned int num_maps; | |
1c9e06ee | 302 | unsigned int last_free_lookup; |
9b031dc8 | 303 | |
0ad920e7 | 304 | int references; |
f11bd94d | 305 | enum fio_file_flags flags; |
53cdc686 JA |
306 | }; |
307 | ||
b2560f3c JA |
308 | /* |
309 | * How many depth levels to log | |
310 | */ | |
311 | #define FIO_IO_U_MAP_NR 8 | |
a9a18a3f JA |
312 | #define FIO_IO_U_LAT_U_NR 10 |
313 | #define FIO_IO_U_LAT_M_NR 12 | |
b2560f3c | 314 | |
079ad09b | 315 | struct thread_stat { |
756867bd JA |
316 | char *name; |
317 | char *verror; | |
318 | int error; | |
319 | int groupid; | |
320 | pid_t pid; | |
321 | char *description; | |
6586ee89 | 322 | int members; |
756867bd | 323 | |
079ad09b JA |
324 | struct io_log *slat_log; |
325 | struct io_log *clat_log; | |
326 | struct io_log *bw_log; | |
327 | ||
328 | /* | |
329 | * bandwidth and latency stats | |
330 | */ | |
331 | struct io_stat clat_stat[2]; /* completion latency */ | |
332 | struct io_stat slat_stat[2]; /* submission latency */ | |
333 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
334 | ||
335 | unsigned long long stat_io_bytes[2]; | |
336 | struct timeval stat_sample_time[2]; | |
337 | ||
338 | /* | |
339 | * fio system usage accounting | |
340 | */ | |
341 | struct rusage ru_start; | |
342 | struct rusage ru_end; | |
343 | unsigned long usr_time; | |
344 | unsigned long sys_time; | |
345 | unsigned long ctx; | |
079ad09b | 346 | |
b2560f3c JA |
347 | /* |
348 | * IO depth and latency stats | |
349 | */ | |
350 | unsigned int io_u_map[FIO_IO_U_MAP_NR]; | |
04a0feae JA |
351 | unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; |
352 | unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; | |
b3605062 | 353 | unsigned long total_io_u[2]; |
30061b97 | 354 | unsigned long short_io_u[2]; |
756867bd JA |
355 | |
356 | unsigned long long io_bytes[2]; | |
357 | unsigned long runtime[2]; | |
358 | unsigned long total_run_time; | |
b2560f3c | 359 | }; |
71619dc2 | 360 | |
2dc1bbeb | 361 | struct thread_options { |
b1ec1da6 | 362 | int pad; |
61697c37 | 363 | char *description; |
b4692828 | 364 | char *name; |
ef899b63 | 365 | char *directory; |
13f8e2d2 | 366 | char *filename; |
2dc1bbeb | 367 | char *opendir; |
09629a90 | 368 | char *ioengine; |
413dd459 | 369 | enum td_ddir td_ddir; |
211097b2 | 370 | unsigned int ddir_nr; |
2dc1bbeb JA |
371 | unsigned int iodepth; |
372 | unsigned int iodepth_low; | |
373 | unsigned int iodepth_batch; | |
374 | ||
375 | unsigned long long size; | |
376 | unsigned long long file_size_low; | |
377 | unsigned long long file_size_high; | |
378 | unsigned long long start_offset; | |
379 | ||
380 | unsigned int bs[2]; | |
381 | unsigned int min_bs[2]; | |
382 | unsigned int max_bs[2]; | |
383 | ||
384 | unsigned int nr_files; | |
385 | unsigned int open_files; | |
e9c047a0 | 386 | |
9158d2f7 JA |
387 | unsigned int odirect; |
388 | unsigned int invalidate_cache; | |
389 | unsigned int create_serialize; | |
390 | unsigned int create_fsync; | |
391 | unsigned int end_fsync; | |
392 | unsigned int sync_io; | |
393 | unsigned int verify; | |
160b966d | 394 | unsigned int verifysort; |
9158d2f7 JA |
395 | unsigned int use_thread; |
396 | unsigned int unlink; | |
397 | unsigned int do_disk_util; | |
398 | unsigned int override_sync; | |
399 | unsigned int rand_repeatable; | |
400 | unsigned int write_lat_log; | |
401 | unsigned int write_bw_log; | |
bb8895e0 | 402 | unsigned int norandommap; |
690adba3 | 403 | unsigned int bs_unaligned; |
ebb1415f | 404 | unsigned int fsync_on_close; |
e9c047a0 | 405 | |
56bb17f2 | 406 | unsigned int hugepage_size; |
a00735e6 | 407 | unsigned int rw_min_bs; |
ebac4655 | 408 | unsigned int thinktime; |
48097d5c | 409 | unsigned int thinktime_spin; |
9c1f7434 | 410 | unsigned int thinktime_blocks; |
ebac4655 JA |
411 | unsigned int fsync_blocks; |
412 | unsigned int start_delay; | |
0db26797 | 413 | unsigned long long timeout; |
ebac4655 | 414 | unsigned int overwrite; |
ebac4655 | 415 | unsigned int bw_avg_time; |
ebac4655 | 416 | unsigned int loops; |
20dc95c4 JA |
417 | unsigned long long zone_size; |
418 | unsigned long long zone_skip; | |
e9c047a0 | 419 | enum fio_memtype mem_type; |
2dc1bbeb | 420 | |
ebac4655 | 421 | unsigned int stonewall; |
b3d62a75 | 422 | unsigned int new_group; |
ebac4655 | 423 | unsigned int numjobs; |
ebac4655 | 424 | os_cpu_mask_t cpumask; |
375b2695 | 425 | unsigned int cpumask_set; |
aea47d44 | 426 | unsigned int iolog; |
a6ccc7be | 427 | unsigned int rwmixcycle; |
e47f799f | 428 | unsigned int rwmix[2]; |
b6f4d880 | 429 | unsigned int nice; |
0aabe160 | 430 | unsigned int file_service_type; |
b2560f3c | 431 | unsigned int group_reporting; |
d2f3ac35 | 432 | unsigned int fadvise_hint; |
e9459e5a | 433 | unsigned int zero_buffers; |
cf4464ca | 434 | unsigned int time_based; |
aea47d44 | 435 | |
076efc7c JA |
436 | char *read_iolog_file; |
437 | char *write_iolog_file; | |
2dc1bbeb JA |
438 | |
439 | /* | |
440 | * Pre-run and post-run shell | |
441 | */ | |
442 | char *exec_prerun; | |
443 | char *exec_postrun; | |
444 | ||
445 | unsigned int rate; | |
446 | unsigned int ratemin; | |
447 | unsigned int ratecycle; | |
448 | unsigned int rate_iops; | |
449 | unsigned int rate_iops_min; | |
450 | ||
451 | char *ioscheduler; | |
452 | ||
453 | /* | |
454 | * CPU "io" cycle burner | |
455 | */ | |
456 | unsigned int cpuload; | |
457 | unsigned int cpucycle; | |
458 | }; | |
459 | ||
e4e33258 JA |
460 | #define FIO_VERROR_SIZE 128 |
461 | ||
2dc1bbeb JA |
462 | /* |
463 | * This describes a single thread/process executing a fio job. | |
464 | */ | |
465 | struct thread_data { | |
466 | struct thread_options o; | |
e4e33258 | 467 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb JA |
468 | pthread_t thread; |
469 | int thread_number; | |
470 | int groupid; | |
471 | struct thread_stat ts; | |
472 | struct fio_file *files; | |
473 | unsigned int files_index; | |
474 | unsigned int nr_open_files; | |
1020a139 | 475 | unsigned int nr_done_files; |
2dc1bbeb JA |
476 | unsigned int nr_normal_files; |
477 | union { | |
478 | unsigned int next_file; | |
479 | os_random_state_t next_file_state; | |
480 | }; | |
481 | int error; | |
20e354ef | 482 | int done; |
2dc1bbeb JA |
483 | pid_t pid; |
484 | char *orig_buffer; | |
485 | size_t orig_buffer_size; | |
486 | volatile int terminate; | |
487 | volatile int runstate; | |
488 | unsigned int ioprio; | |
489 | unsigned int last_was_sync; | |
490 | ||
491 | char *mmapfile; | |
492 | int mmapfd; | |
493 | ||
843a7413 JA |
494 | void *iolog_buf; |
495 | FILE *iolog_f; | |
ebac4655 | 496 | |
da86774e | 497 | char *sysfs_root; |
da86774e | 498 | |
6dfd46b9 JA |
499 | os_random_state_t bsrange_state; |
500 | os_random_state_t verify_state; | |
ebac4655 JA |
501 | |
502 | int shm_id; | |
503 | ||
e9c047a0 JA |
504 | /* |
505 | * IO engine hooks, contains everything needed to submit an io_u | |
506 | * to any of the available IO engines. | |
507 | */ | |
2866c82d | 508 | struct ioengine_ops *io_ops; |
ebac4655 | 509 | |
e9c047a0 JA |
510 | /* |
511 | * Current IO depth and list of free and busy io_u's. | |
512 | */ | |
ebac4655 JA |
513 | unsigned int cur_depth; |
514 | struct list_head io_u_freelist; | |
515 | struct list_head io_u_busylist; | |
755200a3 | 516 | struct list_head io_u_requeues; |
cb5ab512 | 517 | unsigned int io_u_queued; |
ebac4655 | 518 | |
e9c047a0 JA |
519 | /* |
520 | * Rate state | |
521 | */ | |
ebac4655 JA |
522 | unsigned long rate_usec_cycle; |
523 | long rate_pending_usleep; | |
524 | unsigned long rate_bytes; | |
4e991c23 | 525 | unsigned long rate_blocks; |
ebac4655 JA |
526 | struct timeval lastrate; |
527 | ||
ebac4655 JA |
528 | unsigned long long total_io_size; |
529 | ||
755200a3 | 530 | unsigned long io_issues[2]; |
9104f874 JA |
531 | unsigned long long io_blocks[2]; |
532 | unsigned long long io_bytes[2]; | |
48f5abd3 | 533 | unsigned long long io_skip_bytes; |
9104f874 | 534 | unsigned long long this_io_bytes[2]; |
079ad09b | 535 | unsigned long long zone_bytes; |
07739b57 | 536 | struct fio_sem *mutex; |
ebac4655 | 537 | |
e9c047a0 JA |
538 | /* |
539 | * State for random io, a bitmap of blocks done vs not done | |
540 | */ | |
6dfd46b9 | 541 | os_random_state_t random_state; |
ebac4655 | 542 | |
ebac4655 JA |
543 | struct timeval start; /* start of this loop */ |
544 | struct timeval epoch; /* time job was started */ | |
38d77cae | 545 | struct timeval rw_end[2]; |
a61eddec | 546 | struct timeval last_issue; |
38d77cae | 547 | unsigned int rw_end_set[2]; |
ebac4655 | 548 | |
e9c047a0 JA |
549 | /* |
550 | * read/write mixed workload state | |
551 | */ | |
6dfd46b9 | 552 | os_random_state_t rwmix_state; |
afe24a5a | 553 | unsigned long long rwmix_bytes; |
a6ccc7be | 554 | struct timeval rwmix_switch; |
e9c047a0 | 555 | enum fio_ddir rwmix_ddir; |
211097b2 | 556 | unsigned int ddir_nr; |
a6ccc7be | 557 | |
e9c047a0 | 558 | /* |
8de8f047 JA |
559 | * IO history logs for verification. We use a tree for sorting, |
560 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 561 | */ |
4b87898e | 562 | struct rb_root io_hist_tree; |
8de8f047 JA |
563 | struct list_head io_hist_list; |
564 | ||
565 | /* | |
566 | * For IO replaying | |
567 | */ | |
aea47d44 | 568 | struct list_head io_log_list; |
433afcb4 JA |
569 | |
570 | /* | |
571 | * timeout handling | |
572 | */ | |
573 | struct timeval timeout_end; | |
574 | struct itimerval timer; | |
1907dbc6 JA |
575 | |
576 | /* | |
577 | * for fileservice, how often to switch to a new file | |
578 | */ | |
579 | unsigned int file_service_nr; | |
580 | unsigned int file_service_left; | |
581 | struct fio_file *file_service_file; | |
9c60ce64 JA |
582 | |
583 | /* | |
584 | * For generating file sizes | |
585 | */ | |
586 | os_random_state_t file_size_state; | |
ebac4655 JA |
587 | }; |
588 | ||
0aabe160 JA |
589 | /* |
590 | * roundrobin available files, or choose one at random. | |
591 | */ | |
592 | enum { | |
593 | FIO_FSERVICE_RANDOM = 1, | |
594 | FIO_FSERVICE_RR = 2, | |
595 | }; | |
596 | ||
433afcb4 JA |
597 | /* |
598 | * 30 second per-io_u timeout, with 5 second intervals to avoid resetting | |
599 | * the timer on each queue operation. | |
600 | */ | |
601 | #define IO_U_TIMEOUT_INC 5 | |
602 | #define IO_U_TIMEOUT 30 | |
603 | ||
e1161c32 | 604 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 605 | do { \ |
19abcd3d JA |
606 | if ((td)->error) \ |
607 | break; \ | |
ebac4655 JA |
608 | int e = (err); \ |
609 | (td)->error = e; \ | |
e1161c32 | 610 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ |
ebac4655 JA |
611 | } while (0) |
612 | ||
b990b5c0 | 613 | |
e1161c32 JA |
614 | #define td_verror(td, err, func) \ |
615 | __td_verror((td), (err), strerror((err)), (func)) | |
616 | #define td_vmsg(td, err, msg, func) \ | |
617 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 618 | |
ebac4655 JA |
619 | extern int exitall_on_terminate; |
620 | extern int thread_number; | |
9cedf167 | 621 | extern int nr_process, nr_thread; |
ebac4655 JA |
622 | extern int shm_id; |
623 | extern int groupid; | |
c6ae0a5b | 624 | extern int terse_output; |
eb8bbf48 JA |
625 | extern FILE *f_out; |
626 | extern FILE *f_err; | |
53cdc686 | 627 | extern int temp_stall_ts; |
1e97cce9 | 628 | extern unsigned long long mlock_size; |
cfc99db7 | 629 | extern unsigned long page_mask, page_size; |
ebac4655 JA |
630 | |
631 | extern struct thread_data *threads; | |
632 | ||
2dc1bbeb JA |
633 | #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) |
634 | #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) | |
635 | #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) | |
636 | #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) | |
ebac4655 JA |
637 | |
638 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
2dc1bbeb | 639 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->o.rw_min_bs)) |
53cdc686 JA |
640 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) |
641 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
642 | |
643 | #define MAX_JOBS (1024) | |
644 | ||
87dc1ab1 JA |
645 | static inline int should_fsync(struct thread_data *td) |
646 | { | |
647 | if (td->last_was_sync) | |
648 | return 0; | |
2dc1bbeb | 649 | if (td->o.odirect) |
87dc1ab1 | 650 | return 0; |
2dc1bbeb | 651 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
652 | return 1; |
653 | ||
654 | return 0; | |
655 | } | |
656 | ||
1c9e06ee JA |
657 | /* |
658 | * Disk utils as read in /sys/block/<dev>/stat | |
659 | */ | |
ebac4655 JA |
660 | struct disk_util_stat { |
661 | unsigned ios[2]; | |
662 | unsigned merges[2]; | |
663 | unsigned long long sectors[2]; | |
664 | unsigned ticks[2]; | |
665 | unsigned io_ticks; | |
666 | unsigned time_in_queue; | |
667 | }; | |
668 | ||
1c9e06ee JA |
669 | /* |
670 | * Per-device disk util management | |
671 | */ | |
ebac4655 JA |
672 | struct disk_util { |
673 | struct list_head list; | |
674 | ||
675 | char *name; | |
e11c410c | 676 | char *sysfs_root; |
ebac4655 | 677 | char path[256]; |
07e5b264 | 678 | int major, minor; |
ebac4655 JA |
679 | |
680 | struct disk_util_stat dus; | |
681 | struct disk_util_stat last_dus; | |
682 | ||
683 | unsigned long msec; | |
684 | struct timeval time; | |
685 | }; | |
686 | ||
ebac4655 JA |
687 | #define DISK_UTIL_MSEC (250) |
688 | ||
6796209a JA |
689 | /* |
690 | * Log exports | |
691 | */ | |
f29b25a3 JA |
692 | enum file_log_act { |
693 | FIO_LOG_ADD_FILE, | |
694 | FIO_LOG_OPEN_FILE, | |
695 | FIO_LOG_CLOSE_FILE, | |
696 | }; | |
697 | ||
72cb971b | 698 | extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); |
f29b25a3 JA |
699 | extern void log_io_u(struct thread_data *, struct io_u *); |
700 | extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); | |
72cb971b | 701 | extern int __must_check init_iolog(struct thread_data *td); |
6796209a JA |
702 | extern void log_io_piece(struct thread_data *, struct io_u *); |
703 | extern void prune_io_piece_log(struct thread_data *); | |
704 | extern void write_iolog_close(struct thread_data *); | |
705 | ||
706 | /* | |
707 | * Logging | |
708 | */ | |
1e97cce9 JA |
709 | extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long); |
710 | extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long); | |
711 | extern void add_bw_sample(struct thread_data *, enum fio_ddir, struct timeval *); | |
6796209a JA |
712 | extern void show_run_stats(void); |
713 | extern void init_disk_util(struct thread_data *); | |
714 | extern void update_rusage_stat(struct thread_data *); | |
715 | extern void update_io_ticks(void); | |
716 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
717 | extern void setup_log(struct io_log **); |
718 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
bb3884d8 | 719 | extern void __finish_log(struct io_log *, const char *); |
bb3884d8 JA |
720 | extern struct io_log *agg_io_log[2]; |
721 | extern int write_bw_log; | |
722 | extern void add_agg_sample(unsigned long, enum fio_ddir); | |
6796209a JA |
723 | |
724 | /* | |
725 | * Time functions | |
726 | */ | |
727 | extern unsigned long utime_since(struct timeval *, struct timeval *); | |
69008999 | 728 | extern unsigned long utime_since_now(struct timeval *); |
6796209a JA |
729 | extern unsigned long mtime_since(struct timeval *, struct timeval *); |
730 | extern unsigned long mtime_since_now(struct timeval *); | |
731 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 732 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 733 | extern void __usec_sleep(unsigned int); |
6796209a | 734 | extern void usec_sleep(struct thread_data *, unsigned long); |
413dd459 | 735 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); |
6043c579 | 736 | extern void fill_start_time(struct timeval *); |
02bcaa8c | 737 | extern void fio_gettime(struct timeval *, void *); |
a2f77c9f | 738 | extern void set_genesis_time(void); |
6796209a | 739 | |
8914a9d8 | 740 | /* |
214e1eca | 741 | * Init/option functions |
8914a9d8 | 742 | */ |
72cb971b | 743 | extern int __must_check parse_options(int, char **); |
214e1eca JA |
744 | extern int fio_option_parse(struct thread_data *, const char *); |
745 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); | |
746 | extern void fio_fill_default_options(struct thread_data *); | |
747 | extern int fio_show_option_help(const char *); | |
748 | extern void fio_options_dup_and_init(struct option *); | |
d23bb327 JA |
749 | extern void options_mem_dupe(struct thread_data *); |
750 | extern void options_mem_free(struct thread_data *); | |
214e1eca JA |
751 | #define FIO_GETOPT_JOB 0x89988998 |
752 | #define FIO_NR_OPTIONS 128 | |
8914a9d8 | 753 | |
53cdc686 JA |
754 | /* |
755 | * File setup/shutdown | |
756 | */ | |
757 | extern void close_files(struct thread_data *); | |
b2fdda43 JA |
758 | extern int __must_check setup_files(struct thread_data *); |
759 | extern int __must_check open_files(struct thread_data *); | |
760 | extern int __must_check file_invalidate_cache(struct thread_data *, struct fio_file *); | |
b5af8293 JA |
761 | extern int __must_check generic_open_file(struct thread_data *, struct fio_file *); |
762 | extern void generic_close_file(struct thread_data *, struct fio_file *); | |
f29b25a3 | 763 | extern int add_file(struct thread_data *, const char *); |
0ad920e7 JA |
764 | extern void get_file(struct fio_file *); |
765 | extern void put_file(struct thread_data *, struct fio_file *); | |
bbf6b540 | 766 | extern int add_dir_files(struct thread_data *, const char *); |
68727076 | 767 | extern int init_random_map(struct thread_data *); |
cade3ef4 | 768 | extern void dup_files(struct thread_data *, struct thread_data *); |
f29b25a3 JA |
769 | extern int get_fileno(struct thread_data *, const char *); |
770 | extern void free_release_files(struct thread_data *); | |
53cdc686 | 771 | |
263e529f JA |
772 | /* |
773 | * ETA/status stuff | |
774 | */ | |
775 | extern void print_thread_status(void); | |
776 | extern void print_status_init(int); | |
777 | ||
9f8f2064 JA |
778 | /* |
779 | * disk util stuff | |
780 | */ | |
781 | #ifdef FIO_HAVE_DISK_UTIL | |
782 | extern void show_disk_util(void); | |
783 | extern void disk_util_timer_arm(void); | |
784 | extern void init_disk_util(struct thread_data *); | |
785 | extern void update_io_ticks(void); | |
786 | #else | |
787 | #define show_disk_util() | |
788 | #define disk_util_timer_arm() | |
789 | #define init_disk_util(td) | |
790 | #define update_io_ticks() | |
791 | #endif | |
792 | ||
263e529f JA |
793 | /* |
794 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
795 | * will never back again. It may cycle between running/verififying/fsyncing. | |
796 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
797 | * reap it. | |
798 | */ | |
799 | enum { | |
800 | TD_NOT_CREATED = 0, | |
801 | TD_CREATED, | |
802 | TD_INITIALIZED, | |
803 | TD_RUNNING, | |
804 | TD_VERIFYING, | |
805 | TD_FSYNCING, | |
806 | TD_EXITED, | |
807 | TD_REAPED, | |
808 | }; | |
809 | ||
e29d1b70 JA |
810 | /* |
811 | * Verify helpers | |
812 | */ | |
813 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
b2fdda43 | 814 | extern int __must_check get_next_verify(struct thread_data *td, struct io_u *); |
36690c9b | 815 | extern int __must_check verify_io_u(struct thread_data *, struct io_u *); |
e29d1b70 | 816 | |
2f9ade3c JA |
817 | /* |
818 | * Memory helpers | |
819 | */ | |
b2fdda43 | 820 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 821 | extern void fio_unpin_memory(void); |
b2fdda43 | 822 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c JA |
823 | extern void free_io_mem(struct thread_data *); |
824 | ||
10ba535a JA |
825 | /* |
826 | * io unit handling | |
827 | */ | |
828 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
829 | extern struct io_u *__get_io_u(struct thread_data *); | |
3d7c391d | 830 | extern struct io_u *get_io_u(struct thread_data *); |
10ba535a | 831 | extern void put_io_u(struct thread_data *, struct io_u *); |
755200a3 | 832 | extern void requeue_io_u(struct thread_data *, struct io_u **); |
d7762cf8 JA |
833 | extern long __must_check io_u_sync_complete(struct thread_data *, struct io_u *); |
834 | extern long __must_check io_u_queued_complete(struct thread_data *, int); | |
7e77dd02 | 835 | extern void io_u_queued(struct thread_data *, struct io_u *); |
5451792e | 836 | extern void io_u_log_error(struct thread_data *, struct io_u *); |
433afcb4 JA |
837 | extern void io_u_init_timeout(void); |
838 | extern void io_u_set_timeout(struct thread_data *); | |
b3605062 | 839 | extern void io_u_mark_depth(struct thread_data *, struct io_u *); |
10ba535a JA |
840 | |
841 | /* | |
842 | * io engine entry points | |
843 | */ | |
b2fdda43 JA |
844 | extern int __must_check td_io_init(struct thread_data *); |
845 | extern int __must_check td_io_prep(struct thread_data *, struct io_u *); | |
846 | extern int __must_check td_io_queue(struct thread_data *, struct io_u *); | |
847 | extern int __must_check td_io_sync(struct thread_data *, struct fio_file *); | |
848 | extern int __must_check td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
849 | extern int __must_check td_io_commit(struct thread_data *); | |
b5af8293 JA |
850 | extern int __must_check td_io_open_file(struct thread_data *, struct fio_file *); |
851 | extern void td_io_close_file(struct thread_data *, struct fio_file *); | |
10ba535a | 852 | |
fb7b71a3 JA |
853 | /* |
854 | * blktrace support | |
855 | */ | |
5e62c22a | 856 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
857 | extern int is_blktrace(const char *); |
858 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 859 | #endif |
fb7b71a3 | 860 | |
3b70d7e5 JA |
861 | /* |
862 | * If logging output to a file, stderr should go to both stderr and f_err | |
863 | */ | |
864 | #define log_err(args...) do { \ | |
865 | fprintf(f_err, ##args); \ | |
866 | if (f_err != stderr) \ | |
867 | fprintf(stderr, ##args); \ | |
868 | } while (0) | |
869 | ||
9c60ce64 JA |
870 | #define log_info(args...) fprintf(f_out, ##args) |
871 | ||
9728ce37 JB |
872 | FILE *get_f_out(void); |
873 | FILE *get_f_err(void); | |
874 | ||
2866c82d | 875 | struct ioengine_ops { |
5f350952 | 876 | struct list_head list; |
2866c82d JA |
877 | char name[16]; |
878 | int version; | |
879 | int flags; | |
ea2877a4 | 880 | int (*setup)(struct thread_data *); |
2866c82d JA |
881 | int (*init)(struct thread_data *); |
882 | int (*prep)(struct thread_data *, struct io_u *); | |
883 | int (*queue)(struct thread_data *, struct io_u *); | |
755200a3 | 884 | int (*commit)(struct thread_data *); |
2866c82d JA |
885 | int (*getevents)(struct thread_data *, int, int, struct timespec *); |
886 | struct io_u *(*event)(struct thread_data *, int); | |
887 | int (*cancel)(struct thread_data *, struct io_u *); | |
888 | void (*cleanup)(struct thread_data *); | |
b5af8293 JA |
889 | int (*open_file)(struct thread_data *, struct fio_file *); |
890 | void (*close_file)(struct thread_data *, struct fio_file *); | |
2866c82d JA |
891 | void *data; |
892 | void *dlhandle; | |
893 | }; | |
894 | ||
2c187c0f | 895 | #define FIO_IOOPS_VERSION 7 |
2866c82d | 896 | |
b4692828 | 897 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
b2fdda43 | 898 | extern void register_ioengine(struct ioengine_ops *); |
5f350952 | 899 | extern void unregister_ioengine(struct ioengine_ops *); |
2866c82d JA |
900 | extern void close_ioengine(struct thread_data *); |
901 | ||
902 | /* | |
903 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
904 | */ | |
905 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
906 | #define fio_init __attribute__((constructor)) |
907 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 908 | |
34572e28 JA |
909 | #define for_each_td(td, i) \ |
910 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 911 | #define for_each_file(td, f, i) \ |
2dc1bbeb | 912 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->o.nr_files; (i)++, (f)++) |
53cdc686 | 913 | |
0032bf9f JA |
914 | #define fio_assert(td, cond) do { \ |
915 | if (!(cond)) { \ | |
340fd243 | 916 | int *__foo = NULL; \ |
0032bf9f JA |
917 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
918 | (td)->runstate = TD_EXITED; \ | |
437c9b71 | 919 | (td)->error = EFAULT; \ |
340fd243 | 920 | *__foo = 0; \ |
0032bf9f JA |
921 | } \ |
922 | } while (0) | |
923 | ||
9bf27b45 JA |
924 | static inline void clear_error(struct thread_data *td) |
925 | { | |
926 | td->error = 0; | |
927 | td->verror[0] = '\0'; | |
928 | } | |
929 | ||
ebac4655 | 930 | #endif |