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> |
ebac4655 JA |
13 | |
14 | #include "list.h" | |
15 | #include "md5.h" | |
16 | #include "crc32.h" | |
17 | #include "arch.h" | |
18 | #include "os.h" | |
19 | ||
20 | struct io_stat { | |
21 | unsigned long val; | |
22 | unsigned long val_sq; | |
23 | unsigned long max_val; | |
24 | unsigned long min_val; | |
25 | unsigned long samples; | |
26 | }; | |
27 | ||
28 | struct io_sample { | |
29 | unsigned long time; | |
30 | unsigned long val; | |
31 | unsigned int ddir; | |
32 | }; | |
33 | ||
34 | struct io_log { | |
35 | unsigned long nr_samples; | |
36 | unsigned long max_samples; | |
37 | struct io_sample *log; | |
38 | }; | |
39 | ||
40 | struct io_piece { | |
41 | struct list_head list; | |
53cdc686 | 42 | struct fio_file *file; |
ebac4655 JA |
43 | unsigned long long offset; |
44 | unsigned int len; | |
aea47d44 | 45 | int ddir; |
ebac4655 JA |
46 | }; |
47 | ||
48 | /* | |
49 | * The io unit | |
50 | */ | |
51 | struct io_u { | |
52 | union { | |
53 | #ifdef FIO_HAVE_LIBAIO | |
54 | struct iocb iocb; | |
55 | #endif | |
56 | #ifdef FIO_HAVE_POSIXAIO | |
57 | struct aiocb aiocb; | |
58 | #endif | |
59 | #ifdef FIO_HAVE_SGIO | |
60 | struct sg_io_hdr hdr; | |
61 | #endif | |
62 | }; | |
63 | struct timeval start_time; | |
64 | struct timeval issue_time; | |
65 | ||
66 | char *buf; | |
67 | unsigned int buflen; | |
68 | unsigned long long offset; | |
69 | ||
70 | unsigned int resid; | |
71 | unsigned int error; | |
72 | ||
ebac4655 JA |
73 | unsigned char ddir; |
74 | ||
dfd7bc2c JA |
75 | /* |
76 | * io engine private data | |
77 | */ | |
78 | union { | |
79 | unsigned int index; | |
80 | unsigned int seen; | |
81 | }; | |
82 | ||
53cdc686 JA |
83 | struct fio_file *file; |
84 | ||
ebac4655 JA |
85 | struct list_head list; |
86 | }; | |
87 | ||
88 | #define FIO_HDR_MAGIC 0xf00baaef | |
89 | ||
90 | enum { | |
91 | VERIFY_NONE = 0, | |
92 | VERIFY_MD5, | |
93 | VERIFY_CRC32, | |
94 | }; | |
95 | ||
96 | struct verify_header { | |
97 | unsigned int fio_magic; | |
98 | unsigned int len; | |
99 | unsigned int verify_type; | |
100 | union { | |
101 | char md5_digest[MD5_HASH_WORDS * 4]; | |
102 | unsigned long crc32; | |
103 | }; | |
104 | }; | |
105 | ||
106 | struct group_run_stats { | |
9104f874 JA |
107 | unsigned long long max_run[2], min_run[2]; |
108 | unsigned long long max_bw[2], min_bw[2]; | |
e9b2a3fa | 109 | unsigned long long io_kb[2]; |
9104f874 | 110 | unsigned long long agg[2]; |
ebac4655 JA |
111 | }; |
112 | ||
e9c047a0 JA |
113 | enum fio_ddir { |
114 | DDIR_READ = 0, | |
115 | DDIR_WRITE, | |
87dc1ab1 | 116 | DDIR_SYNC, |
e9c047a0 JA |
117 | }; |
118 | ||
119 | /* | |
120 | * What type of allocation to use for io buffers | |
121 | */ | |
122 | enum fio_memtype { | |
123 | MEM_MALLOC = 0, /* ordinary malloc */ | |
124 | MEM_SHM, /* use shared memory segments */ | |
125 | MEM_MMAP, /* use anonynomous mmap */ | |
126 | }; | |
127 | ||
128 | /* | |
129 | * The type of object we are working on | |
130 | */ | |
131 | enum fio_filetype { | |
132 | FIO_TYPE_FILE = 1, | |
133 | FIO_TYPE_BD, | |
134 | FIO_TYPE_CHAR, | |
135 | }; | |
136 | ||
2866c82d | 137 | enum fio_ioengine_flags { |
e9c047a0 | 138 | FIO_SYNCIO = 1 << 0, |
2866c82d JA |
139 | FIO_CPUIO = 1 << 1, |
140 | FIO_MMAPIO = 1 << 2, | |
b2a15192 | 141 | FIO_RAWIO = 1 << 3, |
e9c047a0 JA |
142 | }; |
143 | ||
53cdc686 JA |
144 | struct fio_file { |
145 | /* | |
146 | * A file may not be a file descriptor, let the io engine decide | |
147 | */ | |
148 | union { | |
149 | unsigned long file_data; | |
150 | int fd; | |
151 | }; | |
152 | char *file_name; | |
153 | void *mmap; | |
154 | unsigned long long file_size; | |
155 | unsigned long long real_file_size; | |
156 | unsigned long long file_offset; | |
157 | unsigned long long last_pos; | |
158 | ||
159 | unsigned long *file_map; | |
160 | unsigned int num_maps; | |
161 | }; | |
162 | ||
e9c047a0 JA |
163 | /* |
164 | * This describes a single thread/process executing a fio job. | |
165 | */ | |
ebac4655 | 166 | struct thread_data { |
b4692828 | 167 | char *name; |
ef899b63 | 168 | char *directory; |
13f8e2d2 | 169 | char *filename; |
ebac4655 JA |
170 | char verror[80]; |
171 | pthread_t thread; | |
172 | int thread_number; | |
173 | int groupid; | |
e9c047a0 | 174 | enum fio_filetype filetype; |
53cdc686 JA |
175 | struct fio_file *files; |
176 | unsigned int nr_files; | |
13f8e2d2 | 177 | unsigned int nr_uniq_files; |
53cdc686 | 178 | unsigned int next_file; |
ebac4655 | 179 | int error; |
ebac4655 JA |
180 | pid_t pid; |
181 | char *orig_buffer; | |
182 | size_t orig_buffer_size; | |
183 | volatile int terminate; | |
184 | volatile int runstate; | |
e9c047a0 | 185 | enum fio_ddir ddir; |
3d60d1ed | 186 | unsigned int iomix; |
ebac4655 | 187 | unsigned int ioprio; |
87dc1ab1 | 188 | unsigned int last_was_sync; |
e9c047a0 | 189 | |
9158d2f7 JA |
190 | unsigned int sequential; |
191 | unsigned int odirect; | |
192 | unsigned int invalidate_cache; | |
193 | unsigned int create_serialize; | |
194 | unsigned int create_fsync; | |
195 | unsigned int end_fsync; | |
196 | unsigned int sync_io; | |
197 | unsigned int verify; | |
198 | unsigned int use_thread; | |
199 | unsigned int unlink; | |
200 | unsigned int do_disk_util; | |
201 | unsigned int override_sync; | |
202 | unsigned int rand_repeatable; | |
203 | unsigned int write_lat_log; | |
204 | unsigned int write_bw_log; | |
e9c047a0 | 205 | |
ebac4655 JA |
206 | unsigned int bs; |
207 | unsigned int min_bs; | |
208 | unsigned int max_bs; | |
ebac4655 JA |
209 | unsigned int thinktime; |
210 | unsigned int fsync_blocks; | |
211 | unsigned int start_delay; | |
906c8d75 | 212 | unsigned long timeout; |
ebac4655 | 213 | unsigned int overwrite; |
ebac4655 | 214 | unsigned int bw_avg_time; |
ebac4655 | 215 | unsigned int loops; |
20dc95c4 JA |
216 | unsigned long long zone_size; |
217 | unsigned long long zone_skip; | |
e9c047a0 | 218 | enum fio_memtype mem_type; |
ebac4655 JA |
219 | unsigned int stonewall; |
220 | unsigned int numjobs; | |
ebac4655 JA |
221 | unsigned int iodepth; |
222 | os_cpu_mask_t cpumask; | |
aea47d44 | 223 | unsigned int iolog; |
843a7413 | 224 | unsigned int read_iolog; |
a6ccc7be JA |
225 | unsigned int rwmixcycle; |
226 | unsigned int rwmixread; | |
e1f36503 | 227 | unsigned int rwmixwrite; |
b6f4d880 | 228 | unsigned int nice; |
aea47d44 | 229 | |
076efc7c JA |
230 | char *read_iolog_file; |
231 | char *write_iolog_file; | |
843a7413 JA |
232 | void *iolog_buf; |
233 | FILE *iolog_f; | |
ebac4655 | 234 | |
da86774e | 235 | char *sysfs_root; |
da86774e JA |
236 | char *ioscheduler; |
237 | ||
6dfd46b9 JA |
238 | os_random_state_t bsrange_state; |
239 | os_random_state_t verify_state; | |
ebac4655 JA |
240 | |
241 | int shm_id; | |
242 | ||
e9c047a0 JA |
243 | /* |
244 | * IO engine hooks, contains everything needed to submit an io_u | |
245 | * to any of the available IO engines. | |
246 | */ | |
2866c82d | 247 | struct ioengine_ops *io_ops; |
ebac4655 | 248 | |
e9c047a0 JA |
249 | /* |
250 | * Current IO depth and list of free and busy io_u's. | |
251 | */ | |
ebac4655 JA |
252 | unsigned int cur_depth; |
253 | struct list_head io_u_freelist; | |
254 | struct list_head io_u_busylist; | |
255 | ||
e9c047a0 JA |
256 | /* |
257 | * Rate state | |
258 | */ | |
ebac4655 JA |
259 | unsigned int rate; |
260 | unsigned int ratemin; | |
261 | unsigned int ratecycle; | |
262 | unsigned long rate_usec_cycle; | |
263 | long rate_pending_usleep; | |
264 | unsigned long rate_bytes; | |
265 | struct timeval lastrate; | |
266 | ||
267 | unsigned long runtime[2]; /* msec */ | |
268 | unsigned long long io_size; | |
53cdc686 JA |
269 | unsigned long long total_file_size; |
270 | unsigned long long start_offset; | |
ebac4655 JA |
271 | unsigned long long total_io_size; |
272 | ||
9104f874 JA |
273 | unsigned long long io_blocks[2]; |
274 | unsigned long long io_bytes[2]; | |
275 | unsigned long long zone_bytes; | |
276 | unsigned long long this_io_bytes[2]; | |
bbfd6b00 | 277 | volatile int mutex; |
ebac4655 | 278 | |
e9c047a0 JA |
279 | /* |
280 | * State for random io, a bitmap of blocks done vs not done | |
281 | */ | |
6dfd46b9 | 282 | os_random_state_t random_state; |
ebac4655 | 283 | |
b990b5c0 JA |
284 | /* |
285 | * CPU "io" cycle burner | |
286 | */ | |
287 | unsigned int cpuload; | |
288 | unsigned int cpucycle; | |
289 | ||
ebac4655 JA |
290 | /* |
291 | * bandwidth and latency stats | |
292 | */ | |
293 | struct io_stat clat_stat[2]; /* completion latency */ | |
294 | struct io_stat slat_stat[2]; /* submission latency */ | |
295 | struct io_stat bw_stat[2]; /* bandwidth stats */ | |
296 | ||
9104f874 | 297 | unsigned long long stat_io_bytes[2]; |
ebac4655 JA |
298 | struct timeval stat_sample_time[2]; |
299 | ||
300 | struct io_log *slat_log; | |
301 | struct io_log *clat_log; | |
302 | struct io_log *bw_log; | |
303 | ||
304 | struct timeval start; /* start of this loop */ | |
305 | struct timeval epoch; /* time job was started */ | |
306 | ||
e9c047a0 JA |
307 | /* |
308 | * fio system usage accounting | |
309 | */ | |
ebac4655 JA |
310 | struct rusage ru_start; |
311 | struct rusage ru_end; | |
312 | unsigned long usr_time; | |
313 | unsigned long sys_time; | |
314 | unsigned long ctx; | |
315 | ||
e9c047a0 JA |
316 | /* |
317 | * read/write mixed workload state | |
318 | */ | |
6dfd46b9 | 319 | os_random_state_t rwmix_state; |
a6ccc7be | 320 | struct timeval rwmix_switch; |
e9c047a0 | 321 | enum fio_ddir rwmix_ddir; |
a6ccc7be | 322 | |
4e0ba8af JA |
323 | /* |
324 | * Pre-run and post-run shell | |
325 | */ | |
326 | char *exec_prerun; | |
327 | char *exec_postrun; | |
328 | ||
e9c047a0 JA |
329 | /* |
330 | * IO historic logs | |
331 | */ | |
ebac4655 | 332 | struct list_head io_hist_list; |
aea47d44 | 333 | struct list_head io_log_list; |
ebac4655 JA |
334 | }; |
335 | ||
b990b5c0 | 336 | #define __td_verror(td, err, msg) \ |
ebac4655 JA |
337 | do { \ |
338 | int e = (err); \ | |
339 | (td)->error = e; \ | |
b990b5c0 | 340 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg)); \ |
ebac4655 JA |
341 | } while (0) |
342 | ||
b990b5c0 JA |
343 | |
344 | #define td_verror(td, err) __td_verror((td), (err), strerror((err))) | |
345 | #define td_vmsg(td, err, msg) __td_verror((td), (err), (msg)) | |
346 | ||
ebac4655 | 347 | extern int rate_quit; |
ebac4655 JA |
348 | extern int exitall_on_terminate; |
349 | extern int thread_number; | |
350 | extern int shm_id; | |
351 | extern int groupid; | |
c6ae0a5b | 352 | extern int terse_output; |
eb8bbf48 JA |
353 | extern FILE *f_out; |
354 | extern FILE *f_err; | |
c1d5725e | 355 | extern char *fio_inst_prefix; |
53cdc686 | 356 | extern int temp_stall_ts; |
ebac4655 JA |
357 | |
358 | extern struct thread_data *threads; | |
359 | ||
ebac4655 JA |
360 | #define td_read(td) ((td)->ddir == DDIR_READ) |
361 | #define td_write(td) ((td)->ddir == DDIR_WRITE) | |
3d60d1ed | 362 | #define td_rw(td) ((td)->iomix != 0) |
ebac4655 JA |
363 | |
364 | #define BLOCKS_PER_MAP (8 * sizeof(long)) | |
53cdc686 JA |
365 | #define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->min_bs)) |
366 | #define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) | |
367 | #define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 JA |
368 | |
369 | #define MAX_JOBS (1024) | |
370 | ||
87dc1ab1 JA |
371 | static inline int should_fsync(struct thread_data *td) |
372 | { | |
373 | if (td->last_was_sync) | |
374 | return 0; | |
375 | if (td->odirect) | |
376 | return 0; | |
377 | if (td_write(td) || td_rw(td) || td->override_sync) | |
378 | return 1; | |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
ebac4655 JA |
383 | struct disk_util_stat { |
384 | unsigned ios[2]; | |
385 | unsigned merges[2]; | |
386 | unsigned long long sectors[2]; | |
387 | unsigned ticks[2]; | |
388 | unsigned io_ticks; | |
389 | unsigned time_in_queue; | |
390 | }; | |
391 | ||
392 | struct disk_util { | |
393 | struct list_head list; | |
394 | ||
395 | char *name; | |
396 | char path[256]; | |
397 | dev_t dev; | |
398 | ||
399 | struct disk_util_stat dus; | |
400 | struct disk_util_stat last_dus; | |
401 | ||
402 | unsigned long msec; | |
403 | struct timeval time; | |
404 | }; | |
405 | ||
406 | struct io_completion_data { | |
407 | int nr; /* input */ | |
408 | ||
409 | int error; /* output */ | |
410 | unsigned long bytes_done[2]; /* output */ | |
411 | }; | |
412 | ||
413 | #define DISK_UTIL_MSEC (250) | |
414 | ||
6a0106a0 JA |
415 | #ifndef min |
416 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
417 | #endif | |
418 | ||
6796209a JA |
419 | /* |
420 | * Log exports | |
421 | */ | |
422 | extern int read_iolog_get(struct thread_data *, struct io_u *); | |
423 | extern void write_iolog_put(struct thread_data *, struct io_u *); | |
424 | extern int init_iolog(struct thread_data *td); | |
425 | extern void log_io_piece(struct thread_data *, struct io_u *); | |
426 | extern void prune_io_piece_log(struct thread_data *); | |
427 | extern void write_iolog_close(struct thread_data *); | |
428 | ||
429 | /* | |
430 | * Logging | |
431 | */ | |
432 | extern void add_clat_sample(struct thread_data *, int, unsigned long); | |
433 | extern void add_slat_sample(struct thread_data *, int, unsigned long); | |
434 | extern void add_bw_sample(struct thread_data *, int); | |
435 | extern void show_run_stats(void); | |
436 | extern void init_disk_util(struct thread_data *); | |
437 | extern void update_rusage_stat(struct thread_data *); | |
438 | extern void update_io_ticks(void); | |
439 | extern void disk_util_timer_arm(void); | |
8914a9d8 JA |
440 | extern void setup_log(struct io_log **); |
441 | extern void finish_log(struct thread_data *, struct io_log *, const char *); | |
442 | extern int setup_rate(struct thread_data *); | |
6796209a JA |
443 | |
444 | /* | |
445 | * Time functions | |
446 | */ | |
263e529f | 447 | extern void time_init(void); |
6796209a JA |
448 | extern unsigned long utime_since(struct timeval *, struct timeval *); |
449 | extern unsigned long mtime_since(struct timeval *, struct timeval *); | |
450 | extern unsigned long mtime_since_now(struct timeval *); | |
451 | extern unsigned long time_since_now(struct timeval *); | |
263e529f | 452 | extern unsigned long mtime_since_genesis(void); |
b990b5c0 | 453 | extern void __usec_sleep(unsigned int); |
6796209a JA |
454 | extern void usec_sleep(struct thread_data *, unsigned long); |
455 | extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); | |
456 | ||
8914a9d8 JA |
457 | /* |
458 | * Init functions | |
459 | */ | |
460 | extern int parse_options(int, char **); | |
461 | extern int init_random_state(struct thread_data *); | |
462 | ||
53cdc686 JA |
463 | /* |
464 | * File setup/shutdown | |
465 | */ | |
466 | extern void close_files(struct thread_data *); | |
467 | extern int setup_files(struct thread_data *); | |
e5b401d4 | 468 | extern int file_invalidate_cache(struct thread_data *, struct fio_file *); |
53cdc686 | 469 | |
263e529f JA |
470 | /* |
471 | * ETA/status stuff | |
472 | */ | |
473 | extern void print_thread_status(void); | |
474 | extern void print_status_init(int); | |
475 | ||
476 | /* | |
477 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
478 | * will never back again. It may cycle between running/verififying/fsyncing. | |
479 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
480 | * reap it. | |
481 | */ | |
482 | enum { | |
483 | TD_NOT_CREATED = 0, | |
484 | TD_CREATED, | |
485 | TD_INITIALIZED, | |
486 | TD_RUNNING, | |
487 | TD_VERIFYING, | |
488 | TD_FSYNCING, | |
489 | TD_EXITED, | |
490 | TD_REAPED, | |
491 | }; | |
492 | ||
e29d1b70 JA |
493 | /* |
494 | * Verify helpers | |
495 | */ | |
496 | extern void populate_verify_io_u(struct thread_data *, struct io_u *); | |
497 | extern int get_next_verify(struct thread_data *td, struct io_u *); | |
a9619d44 | 498 | extern int do_io_u_verify(struct thread_data *, struct io_u **); |
e29d1b70 | 499 | |
2f9ade3c JA |
500 | /* |
501 | * Memory helpers | |
502 | */ | |
503 | extern int fio_pin_memory(void); | |
504 | extern void fio_unpin_memory(void); | |
505 | extern int allocate_io_mem(struct thread_data *); | |
506 | extern void free_io_mem(struct thread_data *); | |
507 | ||
10ba535a JA |
508 | /* |
509 | * io unit handling | |
510 | */ | |
511 | #define queue_full(td) list_empty(&(td)->io_u_freelist) | |
512 | extern struct io_u *__get_io_u(struct thread_data *); | |
513 | extern struct io_u *get_io_u(struct thread_data *, struct fio_file *); | |
514 | extern void put_io_u(struct thread_data *, struct io_u *); | |
515 | extern void ios_completed(struct thread_data *, struct io_completion_data *); | |
516 | extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *); | |
517 | ||
518 | /* | |
519 | * io engine entry points | |
520 | */ | |
8c16d840 | 521 | extern int td_io_init(struct thread_data *); |
10ba535a JA |
522 | extern int td_io_prep(struct thread_data *, struct io_u *); |
523 | extern int td_io_queue(struct thread_data *, struct io_u *); | |
524 | extern int td_io_sync(struct thread_data *, struct fio_file *); | |
525 | extern int td_io_getevents(struct thread_data *, int, int, struct timespec *); | |
526 | ||
bbfd6b00 JA |
527 | /* |
528 | * This is a pretty crappy semaphore implementation, but with the use that fio | |
529 | * has (just signalling start/go conditions), it doesn't have to be better. | |
530 | * Naturally this would not work for any type of contended semaphore or | |
531 | * for real locking. | |
532 | */ | |
1056eaad | 533 | static inline void fio_sem_init(volatile int *sem, int val) |
bbfd6b00 JA |
534 | { |
535 | *sem = val; | |
536 | } | |
537 | ||
1056eaad | 538 | static inline void fio_sem_down(volatile int *sem) |
bbfd6b00 JA |
539 | { |
540 | while (*sem == 0) | |
541 | usleep(10000); | |
542 | ||
543 | (*sem)--; | |
544 | } | |
545 | ||
1056eaad | 546 | static inline void fio_sem_up(volatile int *sem) |
bbfd6b00 JA |
547 | { |
548 | (*sem)++; | |
549 | } | |
550 | ||
3b70d7e5 JA |
551 | /* |
552 | * If logging output to a file, stderr should go to both stderr and f_err | |
553 | */ | |
554 | #define log_err(args...) do { \ | |
555 | fprintf(f_err, ##args); \ | |
556 | if (f_err != stderr) \ | |
557 | fprintf(stderr, ##args); \ | |
558 | } while (0) | |
559 | ||
2866c82d JA |
560 | struct ioengine_ops { |
561 | char name[16]; | |
562 | int version; | |
563 | int flags; | |
ea2877a4 | 564 | int (*setup)(struct thread_data *); |
2866c82d JA |
565 | int (*init)(struct thread_data *); |
566 | int (*prep)(struct thread_data *, struct io_u *); | |
567 | int (*queue)(struct thread_data *, struct io_u *); | |
568 | int (*getevents)(struct thread_data *, int, int, struct timespec *); | |
569 | struct io_u *(*event)(struct thread_data *, int); | |
570 | int (*cancel)(struct thread_data *, struct io_u *); | |
571 | void (*cleanup)(struct thread_data *); | |
2866c82d JA |
572 | void *data; |
573 | void *dlhandle; | |
574 | }; | |
575 | ||
87dc1ab1 | 576 | #define FIO_IOOPS_VERSION 3 |
2866c82d | 577 | |
b4692828 | 578 | extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); |
2866c82d JA |
579 | extern void close_ioengine(struct thread_data *); |
580 | ||
581 | /* | |
582 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
583 | */ | |
584 | #define fio_unused __attribute((__unused__)) | |
585 | ||
34572e28 JA |
586 | #define for_each_td(td, i) \ |
587 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 588 | #define for_each_file(td, f, i) \ |
34572e28 | 589 | for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) |
53cdc686 | 590 | |
ebac4655 | 591 | #endif |