New offset_increment option
[fio.git] / fio.h
CommitLineData
ebac4655
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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>
cd14cc10 14#include <inttypes.h>
7101d9c2 15#include <assert.h>
ebac4655 16
ecc314ba
BC
17struct thread_data;
18
317b95d0 19#include "compiler/compiler.h"
01743ee1 20#include "flist.h"
e2887563 21#include "fifo.h"
4b87898e 22#include "rbtree.h"
317b95d0
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23#include "arch/arch.h"
24#include "os/os.h"
07739b57 25#include "mutex.h"
a3d741fa
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26#include "log.h"
27#include "debug.h"
d6aed795
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28#include "file.h"
29#include "io_ddir.h"
dcefb588 30#include "ioengine.h"
5995a6a4 31#include "iolog.h"
c5c8bd5c 32#include "helpers.h"
07b3232d 33#include "options.h"
7eb36574 34#include "profile.h"
c223da83 35#include "time.h"
a7346816 36#include "gettime.h"
bf2e821a 37#include "lib/getopt.h"
2615cc4b 38#include "lib/rand.h"
37db14fe 39#include "server.h"
a64e88da 40#include "stat.h"
9e684a49 41#include "flow.h"
ebac4655 42
609342ff
DL
43#ifdef FIO_HAVE_GUASI
44#include <guasi.h>
45#endif
46
417f0068
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47#ifdef FIO_HAVE_SOLARISAIO
48#include <sys/asynch.h>
49#endif
50
e9c047a0
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51/*
52 * What type of allocation to use for io buffers
53 */
54enum fio_memtype {
55 MEM_MALLOC = 0, /* ordinary malloc */
56 MEM_SHM, /* use shared memory segments */
74b025b0 57 MEM_SHMHUGE, /* use shared memory segments with huge pages */
e9c047a0 58 MEM_MMAP, /* use anonynomous mmap */
d0bdaf49 59 MEM_MMAPHUGE, /* memory mapped huge file */
e9c047a0
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60};
61
38dad62d
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62/*
63 * offset generator types
64 */
65enum {
66 RW_SEQ_SEQ = 0,
67 RW_SEQ_IDENT,
68};
69
06842027
SL
70/*
71 * What type of errors to continue on when continue_on_error is used
72 */
73enum error_type {
74 ERROR_TYPE_NONE = 0,
75 ERROR_TYPE_READ = 1 << 0,
76 ERROR_TYPE_WRITE = 1 << 1,
77 ERROR_TYPE_VERIFY = 1 << 2,
78 ERROR_TYPE_ANY = 0xffff,
79};
80
564ca972
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81struct bssplit {
82 unsigned int bs;
83 unsigned char perc;
84};
85
2dc1bbeb 86struct thread_options {
b1ec1da6 87 int pad;
61697c37 88 char *description;
b4692828 89 char *name;
ef899b63 90 char *directory;
13f8e2d2 91 char *filename;
2dc1bbeb 92 char *opendir;
09629a90 93 char *ioengine;
413dd459 94 enum td_ddir td_ddir;
38dad62d 95 unsigned int rw_seq;
90fef2d1 96 unsigned int kb_base;
5736c10d 97 unsigned int ddir_seq_nr;
a66da7a2 98 long ddir_seq_add;
2dc1bbeb
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99 unsigned int iodepth;
100 unsigned int iodepth_low;
101 unsigned int iodepth_batch;
4950421a 102 unsigned int iodepth_batch_complete;
2dc1bbeb
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103
104 unsigned long long size;
7bb59102 105 unsigned int size_percent;
aa31f1f1 106 unsigned int fill_device;
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107 unsigned long long file_size_low;
108 unsigned long long file_size_high;
109 unsigned long long start_offset;
110
111 unsigned int bs[2];
2b7a01d0 112 unsigned int ba[2];
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113 unsigned int min_bs[2];
114 unsigned int max_bs[2];
720e84ad
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115 struct bssplit *bssplit[2];
116 unsigned int bssplit_nr[2];
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117
118 unsigned int nr_files;
119 unsigned int open_files;
4d4e80f2 120 enum file_lock_mode file_lock_mode;
29c1349f 121 unsigned int lockfile_batch;
e9c047a0 122
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123 unsigned int odirect;
124 unsigned int invalidate_cache;
125 unsigned int create_serialize;
126 unsigned int create_fsync;
814452bd 127 unsigned int create_on_open;
9158d2f7 128 unsigned int end_fsync;
afad68f7 129 unsigned int pre_read;
9158d2f7
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130 unsigned int sync_io;
131 unsigned int verify;
e84c73a8 132 unsigned int do_verify;
160b966d 133 unsigned int verifysort;
a59e170d
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134 unsigned int verify_interval;
135 unsigned int verify_offset;
0e92f873 136 char verify_pattern[MAX_PATTERN_SIZE];
90059d65 137 unsigned int verify_pattern_bytes;
a12a3b4d 138 unsigned int verify_fatal;
b463e936 139 unsigned int verify_dump;
e8462bd8 140 unsigned int verify_async;
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141 unsigned long long verify_backlog;
142 unsigned int verify_batch;
9158d2f7
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143 unsigned int use_thread;
144 unsigned int unlink;
145 unsigned int do_disk_util;
146 unsigned int override_sync;
147 unsigned int rand_repeatable;
2615cc4b 148 unsigned int use_os_rand;
9158d2f7
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149 unsigned int write_lat_log;
150 unsigned int write_bw_log;
c8eeb9df 151 unsigned int write_iops_log;
b8bc8cba 152 unsigned int log_avg_msec;
bb8895e0 153 unsigned int norandommap;
2b386d25 154 unsigned int softrandommap;
690adba3 155 unsigned int bs_unaligned;
ebb1415f 156 unsigned int fsync_on_close;
e9c047a0 157
56bb17f2 158 unsigned int hugepage_size;
a00735e6 159 unsigned int rw_min_bs;
ebac4655 160 unsigned int thinktime;
48097d5c 161 unsigned int thinktime_spin;
9c1f7434 162 unsigned int thinktime_blocks;
ebac4655 163 unsigned int fsync_blocks;
5f9099ea 164 unsigned int fdatasync_blocks;
1ef2b6be 165 unsigned int barrier_blocks;
dce8b847 166 unsigned long long start_delay;
0db26797 167 unsigned long long timeout;
721938ae 168 unsigned long long ramp_time;
ebac4655 169 unsigned int overwrite;
ebac4655 170 unsigned int bw_avg_time;
c8eeb9df 171 unsigned int iops_avg_time;
ebac4655 172 unsigned int loops;
ed335855 173 unsigned long long zone_range;
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174 unsigned long long zone_size;
175 unsigned long long zone_skip;
e9c047a0 176 enum fio_memtype mem_type;
d529ee19 177 unsigned int mem_align;
2dc1bbeb 178
ebac4655 179 unsigned int stonewall;
b3d62a75 180 unsigned int new_group;
ebac4655 181 unsigned int numjobs;
ebac4655 182 os_cpu_mask_t cpumask;
375b2695 183 unsigned int cpumask_set;
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184 os_cpu_mask_t verify_cpumask;
185 unsigned int verify_cpumask_set;
aea47d44 186 unsigned int iolog;
a6ccc7be 187 unsigned int rwmixcycle;
e47f799f 188 unsigned int rwmix[2];
b6f4d880 189 unsigned int nice;
0aabe160 190 unsigned int file_service_type;
b2560f3c 191 unsigned int group_reporting;
d2f3ac35 192 unsigned int fadvise_hint;
a596f047 193 enum fio_fallocate_mode fallocate_mode;
e9459e5a 194 unsigned int zero_buffers;
5973cafb 195 unsigned int refill_buffers;
fd68418e 196 unsigned int scramble_buffers;
9c42684e 197 unsigned int compress_percentage;
f97a43a1 198 unsigned int compress_chunk;
cf4464ca 199 unsigned int time_based;
02af0988 200 unsigned int disable_lat;
9520ebb9
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201 unsigned int disable_clat;
202 unsigned int disable_slat;
203 unsigned int disable_bw;
993bf48b 204 unsigned int gtod_reduce;
be4ecfdf
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205 unsigned int gtod_cpu;
206 unsigned int gtod_offload;
c223da83 207 enum fio_cs clocksource;
64bbb865 208 unsigned int no_stall;
0d29de83
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209 unsigned int trim_percentage;
210 unsigned int trim_batch;
211 unsigned int trim_zero;
212 unsigned long long trim_backlog;
83349190
YH
213 unsigned int clat_percentiles;
214 unsigned int overwrite_plist;
802ad4a8 215 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
aea47d44 216
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217 char *read_iolog_file;
218 char *write_iolog_file;
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219 char *bw_log_file;
220 char *lat_log_file;
c8eeb9df 221 char *iops_log_file;
d1c46c04 222 char *replay_redirect;
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223
224 /*
225 * Pre-run and post-run shell
226 */
227 char *exec_prerun;
228 char *exec_postrun;
229
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230 unsigned int rate[2];
231 unsigned int ratemin[2];
2dc1bbeb 232 unsigned int ratecycle;
581e7141
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233 unsigned int rate_iops[2];
234 unsigned int rate_iops_min[2];
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235
236 char *ioscheduler;
237
238 /*
239 * CPU "io" cycle burner
240 */
241 unsigned int cpuload;
242 unsigned int cpucycle;
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243
244 /*
245 * I/O Error handling
246 */
06842027 247 enum error_type continue_on_error;
9ac8a797
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248
249 /*
250 * Benchmark profile type
251 */
79d16311 252 char *profile;
a696fa2a
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253
254 /*
255 * blkio cgroup support
256 */
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257 char *cgroup;
258 unsigned int cgroup_weight;
7de87099 259 unsigned int cgroup_nodelete;
e0b0d892
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260
261 unsigned int uid;
262 unsigned int gid;
44f29692 263
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DE
264 int flow_id;
265 int flow;
266 int flow_watermark;
267 unsigned int flow_sleep;
268
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DE
269 unsigned long long offset_increment;
270
44f29692 271 unsigned int sync_file_range;
2dc1bbeb
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272};
273
274/*
275 * This describes a single thread/process executing a fio job.
276 */
277struct thread_data {
278 struct thread_options o;
de890a1e 279 void *eo;
e4e33258 280 char verror[FIO_VERROR_SIZE];
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281 pthread_t thread;
282 int thread_number;
283 int groupid;
284 struct thread_stat ts;
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285
286 struct io_log *slat_log;
287 struct io_log *clat_log;
288 struct io_log *lat_log;
289 struct io_log *bw_log;
c8eeb9df 290 struct io_log *iops_log;
7b9f733a 291
f0505a14 292 uint64_t stat_io_bytes[2];
c8eeb9df
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293 struct timeval bw_sample_time;
294
295 uint64_t stat_io_blocks[2];
296 struct timeval iops_sample_time;
f0505a14 297
c8aaba19
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298 struct rusage ru_start;
299 struct rusage ru_end;
300
126d65c6 301 struct fio_file **files;
dd87b2c9 302 unsigned int files_size;
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303 unsigned int files_index;
304 unsigned int nr_open_files;
1020a139 305 unsigned int nr_done_files;
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306 unsigned int nr_normal_files;
307 union {
308 unsigned int next_file;
309 os_random_state_t next_file_state;
4c07ad86 310 struct frand_state __next_file_state;
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311 };
312 int error;
20e354ef 313 int done;
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314 pid_t pid;
315 char *orig_buffer;
316 size_t orig_buffer_size;
317 volatile int terminate;
318 volatile int runstate;
319 unsigned int ioprio;
ac684785 320 unsigned int ioprio_set;
2dc1bbeb 321 unsigned int last_was_sync;
9e144189 322 enum fio_ddir last_ddir;
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323
324 char *mmapfile;
325 int mmapfd;
326
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327 void *iolog_buf;
328 FILE *iolog_f;
ebac4655 329
da86774e 330 char *sysfs_root;
da86774e 331
3545a109 332 unsigned long rand_seeds[8];
5bfc35d7 333
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334 union {
335 os_random_state_t bsrange_state;
336 struct frand_state __bsrange_state;
337 };
338 union {
339 os_random_state_t verify_state;
340 struct frand_state __verify_state;
341 };
342 union {
343 os_random_state_t trim_state;
344 struct frand_state __trim_state;
345 };
ebac4655 346
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347 struct frand_state buf_state;
348
9e144189 349 unsigned int verify_batch;
0d29de83 350 unsigned int trim_batch;
9e144189 351
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352 int shm_id;
353
e9c047a0
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354 /*
355 * IO engine hooks, contains everything needed to submit an io_u
356 * to any of the available IO engines.
357 */
2866c82d 358 struct ioengine_ops *io_ops;
ebac4655 359
e9c047a0 360 /*
422f9e4b 361 * Queue depth of io_u's that fio MIGHT do
e9c047a0 362 */
ebac4655 363 unsigned int cur_depth;
422f9e4b
RM
364
365 /*
366 * io_u's about to be committed
367 */
d8005759 368 unsigned int io_u_queued;
422f9e4b
RM
369
370 /*
371 * io_u's submitted but not completed yet
372 */
373 unsigned int io_u_in_flight;
374
375 /*
376 * List of free and busy io_u's
377 */
01743ee1
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378 struct flist_head io_u_freelist;
379 struct flist_head io_u_busylist;
380 struct flist_head io_u_requeues;
e8462bd8
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381 pthread_mutex_t io_u_lock;
382 pthread_cond_t free_cond;
383
384 /*
385 * async verify offload
386 */
387 struct flist_head verify_list;
388 pthread_t *verify_threads;
389 unsigned int nr_verify_threads;
390 pthread_cond_t verify_cond;
391 int verify_thread_exit;
ebac4655 392
e9c047a0
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393 /*
394 * Rate state
395 */
1b8dbf25 396 unsigned long long rate_bps[2];
581e7141
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397 long rate_pending_usleep[2];
398 unsigned long rate_bytes[2];
399 unsigned long rate_blocks[2];
400 struct timeval lastrate[2];
ebac4655 401
ebac4655 402 unsigned long long total_io_size;
2e3bd4c2 403 unsigned long long fill_device_size;
ebac4655 404
755200a3 405 unsigned long io_issues[2];
9104f874 406 unsigned long long io_blocks[2];
c8eeb9df 407 unsigned long long this_io_blocks[2];
9104f874 408 unsigned long long io_bytes[2];
48f5abd3 409 unsigned long long io_skip_bytes;
9104f874 410 unsigned long long this_io_bytes[2];
079ad09b 411 unsigned long long zone_bytes;
cdd18ad8 412 struct fio_mutex *mutex;
ebac4655 413
e9c047a0
JA
414 /*
415 * State for random io, a bitmap of blocks done vs not done
416 */
4c07ad86
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417 union {
418 os_random_state_t random_state;
419 struct frand_state __random_state;
420 };
ebac4655 421
ebac4655
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422 struct timeval start; /* start of this loop */
423 struct timeval epoch; /* time job was started */
a61eddec 424 struct timeval last_issue;
993bf48b
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425 struct timeval tv_cache;
426 unsigned int tv_cache_nr;
427 unsigned int tv_cache_mask;
721938ae 428 unsigned int ramp_time_over;
ebac4655 429
e9c047a0
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430 /*
431 * read/write mixed workload state
432 */
4c07ad86
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433 union {
434 os_random_state_t rwmix_state;
435 struct frand_state __rwmix_state;
436 };
e4928662 437 unsigned long rwmix_issues;
e9c047a0 438 enum fio_ddir rwmix_ddir;
5736c10d 439 unsigned int ddir_seq_nr;
a6ccc7be 440
e9c047a0 441 /*
8de8f047
JA
442 * IO history logs for verification. We use a tree for sorting,
443 * if we are overwriting. Otherwise just use a fifo.
e9c047a0 444 */
4b87898e 445 struct rb_root io_hist_tree;
01743ee1 446 struct flist_head io_hist_list;
9e144189 447 unsigned long io_hist_len;
8de8f047
JA
448
449 /*
450 * For IO replaying
451 */
01743ee1 452 struct flist_head io_log_list;
433afcb4 453
0d29de83
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454 /*
455 * For tracking/handling discards
456 */
457 struct flist_head trim_list;
458 unsigned long trim_entries;
459
1907dbc6
JA
460 /*
461 * for fileservice, how often to switch to a new file
462 */
463 unsigned int file_service_nr;
464 unsigned int file_service_left;
465 struct fio_file *file_service_file;
9c60ce64 466
44f29692
JA
467 unsigned int sync_file_range_nr;
468
9c60ce64
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469 /*
470 * For generating file sizes
471 */
4c07ad86
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472 union {
473 os_random_state_t file_size_state;
474 struct frand_state __file_size_state;
475 };
f2bba182
RR
476
477 /*
478 * Error counts
479 */
480 unsigned int total_err_count;
481 int first_error;
15dc1934 482
9e684a49
DE
483 struct fio_flow *flow;
484
15dc1934
JA
485 /*
486 * Can be overloaded by profiles
487 */
7eb36574 488 struct prof_io_ops prof_io_ops;
58c55ba0 489 void *prof_data;
ebac4655
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490};
491
e592a06b
AC
492/*
493 * when should interactive ETA output be generated
494 */
495enum {
496 FIO_ETA_AUTO,
497 FIO_ETA_ALWAYS,
498 FIO_ETA_NEVER,
499};
500
e1161c32 501#define __td_verror(td, err, msg, func) \
ebac4655 502 do { \
19abcd3d
JA
503 if ((td)->error) \
504 break; \
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505 int e = (err); \
506 (td)->error = e; \
f2bba182
RR
507 if (!(td)->first_error) \
508 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
ebac4655
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509 } while (0)
510
b990b5c0 511
f2bba182
RR
512#define td_clear_error(td) \
513 (td)->error = 0;
e1161c32
JA
514#define td_verror(td, err, func) \
515 __td_verror((td), (err), strerror((err)), (func))
516#define td_vmsg(td, err, msg, func) \
517 __td_verror((td), (err), (msg), (func))
b990b5c0 518
81179eec
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519#define __fio_stringify_1(x) #x
520#define __fio_stringify(x) __fio_stringify_1(x)
521
ebac4655 522extern int exitall_on_terminate;
11e950bd
JA
523extern unsigned int thread_number;
524extern unsigned int nr_process, nr_thread;
ebac4655
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525extern int shm_id;
526extern int groupid;
c6ae0a5b 527extern int terse_output;
53cdc686 528extern int temp_stall_ts;
1e97cce9 529extern unsigned long long mlock_size;
cfc99db7 530extern unsigned long page_mask, page_size;
4241ea8f 531extern int read_only;
e592a06b 532extern int eta_print;
d3eeeabc 533extern unsigned long done_secs;
01f06b63 534extern char *job_section;
be4ecfdf
JA
535extern int fio_gtod_offload;
536extern int fio_gtod_cpu;
c223da83 537extern enum fio_cs fio_clock_source;
a9523c6f 538extern int warnings_fatal;
f57a9c59 539extern int terse_version;
5c341e9a 540extern int is_backend;
a37f69b7 541extern int nr_clients;
e46d8091 542extern int log_syslog;
5e726d0a 543extern const char fio_version_string[];
802ad4a8 544extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
ebac4655
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545
546extern struct thread_data *threads;
547
7101d9c2
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548static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
549{
550 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
551}
552
0ce8b119 553#define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
aec2de20
JA
554#define TO_MAP_BLOCK(f, b) (b)
555#define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
556#define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
ebac4655 557
fca70358 558#define REAL_MAX_JOBS 2048
ebac4655 559
1ec99eea 560#define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
f2bba182 561
06842027
SL
562static inline enum error_type td_error_type(enum fio_ddir ddir, int err)
563{
564 if (err == EILSEQ)
565 return ERROR_TYPE_VERIFY;
566 if (ddir == DDIR_READ)
567 return ERROR_TYPE_READ;
568 return ERROR_TYPE_WRITE;
569}
570
f2bba182
RR
571static inline void update_error_count(struct thread_data *td, int err)
572{
573 td->total_err_count++;
574 if (td->total_err_count == 1)
575 td->first_error = err;
576}
577
87dc1ab1
JA
578static inline int should_fsync(struct thread_data *td)
579{
580 if (td->last_was_sync)
581 return 0;
2dc1bbeb 582 if (td->o.odirect)
87dc1ab1 583 return 0;
2dc1bbeb 584 if (td_write(td) || td_rw(td) || td->o.override_sync)
87dc1ab1
JA
585 return 1;
586
587 return 0;
588}
589
8914a9d8 590/*
214e1eca 591 * Init/option functions
8914a9d8 592 */
72cb971b 593extern int __must_check parse_options(int, char **);
50d16976 594extern int parse_jobs_ini(char *, int, int);
81179eec 595extern int parse_cmd_line(int, char **);
2e1df07d 596extern int fio_backend(void);
50d16976 597extern void reset_fio_state(void);
2e1df07d 598extern void clear_io_state(struct thread_data *);
3b8b7135 599extern int fio_options_parse(struct thread_data *, char **, int);
74929ac2 600extern void fio_keywords_init(void);
214e1eca 601extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
de890a1e 602extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
214e1eca
JA
603extern void fio_fill_default_options(struct thread_data *);
604extern int fio_show_option_help(const char *);
de890a1e 605extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
214e1eca 606extern void fio_options_dup_and_init(struct option *);
de890a1e
SL
607extern void fio_options_mem_dupe(struct thread_data *);
608extern void options_mem_dupe(void *data, struct fio_option *options);
5bfc35d7 609extern void td_fill_rand_seeds(struct thread_data *);
79d16311 610extern void add_job_opts(const char **);
1ec3d69b 611extern char *num2str(unsigned long, int, int, int);
de890a1e 612extern int ioengine_load(struct thread_data *);
1ec3d69b 613
de890a1e
SL
614#define FIO_GETOPT_JOB 0x89000000
615#define FIO_GETOPT_IOENGINE 0x98000000
07b3232d 616#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
8914a9d8 617
263e529f
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618/*
619 * ETA/status stuff
620 */
621extern void print_thread_status(void);
622extern void print_status_init(int);
623
624/*
625 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
626 * will never back again. It may cycle between running/verififying/fsyncing.
627 * Once the thread reaches TD_EXITED, it is just waiting for the core to
628 * reap it.
629 */
630enum {
631 TD_NOT_CREATED = 0,
632 TD_CREATED,
633 TD_INITIALIZED,
b29ee5b3 634 TD_RAMP,
263e529f 635 TD_RUNNING,
b0f65863 636 TD_PRE_READING,
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637 TD_VERIFYING,
638 TD_FSYNCING,
639 TD_EXITED,
640 TD_REAPED,
641};
642
b29ee5b3 643extern void td_set_runstate(struct thread_data *, int);
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644#define TERMINATE_ALL (-1)
645extern void fio_terminate_threads(int);
b29ee5b3 646
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647/*
648 * Memory helpers
649 */
b2fdda43 650extern int __must_check fio_pin_memory(void);
2f9ade3c 651extern void fio_unpin_memory(void);
b2fdda43 652extern int __must_check allocate_io_mem(struct thread_data *);
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653extern void free_io_mem(struct thread_data *);
654
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655/*
656 * Reset stats after ramp time completes
657 */
658extern void reset_all_stats(struct thread_data *);
659
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660/*
661 * blktrace support
662 */
5e62c22a 663#ifdef FIO_HAVE_BLKTRACE
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664extern int is_blktrace(const char *);
665extern int load_blktrace(struct thread_data *, const char *);
5e62c22a 666#endif
fb7b71a3 667
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668/*
669 * Mark unused variables passed to ops functions as unused, to silence gcc
670 */
671#define fio_unused __attribute((__unused__))
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672#define fio_init __attribute__((constructor))
673#define fio_exit __attribute__((destructor))
2866c82d 674
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675#define for_each_td(td, i) \
676 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
53cdc686 677#define for_each_file(td, f, i) \
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678 if ((td)->files_index) \
679 for ((i) = 0, (f) = (td)->files[0]; \
680 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
681 (i)++)
53cdc686 682
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683#define fio_assert(td, cond) do { \
684 if (!(cond)) { \
340fd243 685 int *__foo = NULL; \
0032bf9f 686 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
ac18ea38 687 td_set_runstate((td), TD_EXITED); \
437c9b71 688 (td)->error = EFAULT; \
340fd243 689 *__foo = 0; \
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690 } \
691} while (0)
692
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693static inline int fio_fill_issue_time(struct thread_data *td)
694{
695 if (td->o.read_iolog_file ||
696 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
697 return 1;
698
699 return 0;
700}
701
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702static inline int __should_check_rate(struct thread_data *td,
703 enum fio_ddir ddir)
704{
705 struct thread_options *o = &td->o;
706
707 /*
708 * If some rate setting was given, we need to check it
709 */
710 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
711 o->rate_iops_min[ddir])
712 return 1;
713
714 return 0;
715}
716
717static inline int should_check_rate(struct thread_data *td,
718 unsigned long *bytes_done)
719{
720 int ret = 0;
721
722 if (bytes_done[0])
723 ret |= __should_check_rate(td, 0);
724 if (bytes_done[1])
725 ret |= __should_check_rate(td, 1);
726
727 return ret;
728}
729
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730static inline int is_power_of_2(unsigned int val)
731{
732 return (val != 0 && ((val & (val - 1)) == 0));
733}
734
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735/*
736 * We currently only need to do locking if we have verifier threads
737 * accessing our internal structures too
738 */
739static inline void td_io_u_lock(struct thread_data *td)
740{
741 if (td->o.verify_async)
742 pthread_mutex_lock(&td->io_u_lock);
743}
744
745static inline void td_io_u_unlock(struct thread_data *td)
746{
747 if (td->o.verify_async)
748 pthread_mutex_unlock(&td->io_u_lock);
749}
750
751static inline void td_io_u_free_notify(struct thread_data *td)
752{
753 if (td->o.verify_async)
754 pthread_cond_signal(&td->free_cond);
755}
756
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757extern const char *fio_get_arch_string(int);
758extern const char *fio_get_os_string(int);
759
ebac4655 760#endif