server: cleanup and proper error returns
[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
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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
317b95d0 17#include "compiler/compiler.h"
8062f527 18#include "thread_options.h"
01743ee1 19#include "flist.h"
e2887563 20#include "fifo.h"
317b95d0
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21#include "arch/arch.h"
22#include "os/os.h"
07739b57 23#include "mutex.h"
a3d741fa
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24#include "log.h"
25#include "debug.h"
d6aed795
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26#include "file.h"
27#include "io_ddir.h"
dcefb588 28#include "ioengine.h"
5995a6a4 29#include "iolog.h"
c5c8bd5c 30#include "helpers.h"
07b3232d 31#include "options.h"
7eb36574 32#include "profile.h"
ef3c94b6 33#include "fio_time.h"
a7346816 34#include "gettime.h"
bf2e821a 35#include "lib/getopt.h"
2615cc4b 36#include "lib/rand.h"
7fb6d453 37#include "lib/rbtree.h"
dd366728 38#include "client.h"
37db14fe 39#include "server.h"
a64e88da 40#include "stat.h"
9e684a49 41#include "flow.h"
2ae0b204 42#include "io_u_queue.h"
a9da8ab2 43#include "workqueue.h"
ebac4655 44
4700b234 45#ifdef CONFIG_SOLARISAIO
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46#include <sys/asynch.h>
47#endif
48
67bf9823 49#ifdef CONFIG_LIBNUMA
d0b937ed
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50#include <linux/mempolicy.h>
51#include <numa.h>
52
53/*
54 * "local" is pseudo-policy
55 */
56#define MPOL_LOCAL MPOL_MAX
57#endif
58
38dad62d
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59/*
60 * offset generator types
61 */
62enum {
63 RW_SEQ_SEQ = 0,
64 RW_SEQ_IDENT,
65};
66
d72be545 67enum {
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68 TD_F_VER_BACKLOG = 1U << 0,
69 TD_F_TRIM_BACKLOG = 1U << 1,
70 TD_F_READ_IOLOG = 1U << 2,
71 TD_F_REFILL_BUFFERS = 1U << 3,
72 TD_F_SCRAMBLE_BUFFERS = 1U << 4,
73 TD_F_VER_NONE = 1U << 5,
74 TD_F_PROFILE_OPS = 1U << 6,
75 TD_F_COMPRESS = 1U << 7,
76 TD_F_NOIO = 1U << 8,
77 TD_F_COMPRESS_LOG = 1U << 9,
78 TD_F_VSTATE_SAVED = 1U << 10,
79 TD_F_NEED_LOCK = 1U << 11,
80 TD_F_CHILD = 1U << 12,
263775ad 81 TD_F_NO_PROGRESS = 1U << 13,
d72be545
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82};
83
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84enum {
85 FIO_RAND_BS_OFF = 0,
86 FIO_RAND_VER_OFF,
87 FIO_RAND_MIX_OFF,
88 FIO_RAND_FILE_OFF,
89 FIO_RAND_BLOCK_OFF,
90 FIO_RAND_FILE_SIZE_OFF,
91 FIO_RAND_TRIM_OFF,
92 FIO_RAND_BUF_OFF,
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93 FIO_RAND_SEQ_RAND_READ_OFF,
94 FIO_RAND_SEQ_RAND_WRITE_OFF,
95 FIO_RAND_SEQ_RAND_TRIM_OFF,
23ed19b0 96 FIO_RAND_START_DELAY,
5c94b008 97 FIO_DEDUPE_OFF,
e7b24047 98 FIO_RAND_POISSON_OFF,
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99 FIO_RAND_NR_OFFS,
100};
101
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102enum {
103 IO_MODE_INLINE = 0,
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104 IO_MODE_OFFLOAD = 1,
105
106 RATE_PROCESS_LINEAR = 0,
107 RATE_PROCESS_POISSON = 1,
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108};
109
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110/*
111 * Per-thread/process specific data. Only used for the network client
112 * for now.
113 */
114struct backend_data {
115 pthread_key_t key;
116 void *ptr;
117};
118
2dc1bbeb
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119/*
120 * This describes a single thread/process executing a fio job.
121 */
122struct thread_data {
123 struct thread_options o;
d72be545 124 unsigned long flags;
de890a1e 125 void *eo;
e4e33258 126 char verror[FIO_VERROR_SIZE];
2dc1bbeb 127 pthread_t thread;
2f122b13 128 unsigned int thread_number;
69bdd6ba 129 unsigned int subjob_number;
2f122b13 130 unsigned int groupid;
2dc1bbeb 131 struct thread_stat ts;
7b9f733a 132
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133 int client_type;
134
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135 struct io_log *slat_log;
136 struct io_log *clat_log;
137 struct io_log *lat_log;
138 struct io_log *bw_log;
c8eeb9df 139 struct io_log *iops_log;
7b9f733a 140
155f2f02 141 struct workqueue log_compress_wq;
aee2ab67 142
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143 struct thread_data *parent;
144
6eaf09d6 145 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
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146 struct timeval bw_sample_time;
147
6eaf09d6 148 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
c8eeb9df 149 struct timeval iops_sample_time;
f0505a14 150
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151 /*
152 * Tracks the last iodepth number of completed writes, if data
153 * verification is enabled
154 */
155 uint64_t *last_write_comp;
156 unsigned int last_write_idx;
157
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158 volatile int update_rusage;
159 struct fio_mutex *rusage_sem;
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160 struct rusage ru_start;
161 struct rusage ru_end;
162
126d65c6 163 struct fio_file **files;
d7df1d13 164 unsigned char *file_locks;
dd87b2c9 165 unsigned int files_size;
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166 unsigned int files_index;
167 unsigned int nr_open_files;
1020a139 168 unsigned int nr_done_files;
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169 unsigned int nr_normal_files;
170 union {
171 unsigned int next_file;
d6b72507 172 struct frand_state next_file_state;
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173 };
174 int error;
a5e371a6 175 int sig;
20e354ef 176 int done;
ca09be4b 177 int stop_io;
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178 pid_t pid;
179 char *orig_buffer;
180 size_t orig_buffer_size;
181 volatile int terminate;
182 volatile int runstate;
2dc1bbeb 183 unsigned int last_was_sync;
9e144189 184 enum fio_ddir last_ddir;
2dc1bbeb 185
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186 int mmapfd;
187
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188 void *iolog_buf;
189 FILE *iolog_f;
ebac4655 190
da86774e 191 char *sysfs_root;
da86774e 192
d24945f0 193 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
5bfc35d7 194
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195 struct frand_state bsrange_state;
196 struct frand_state verify_state;
197 struct frand_state trim_state;
198 struct frand_state delay_state;
ebac4655 199
3545a109 200 struct frand_state buf_state;
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201 struct frand_state buf_state_prev;
202 struct frand_state dedupe_state;
3545a109 203
9e144189 204 unsigned int verify_batch;
0d29de83 205 unsigned int trim_batch;
9e144189 206
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207 struct thread_io_list *vstate;
208
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209 int shm_id;
210
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211 /*
212 * IO engine hooks, contains everything needed to submit an io_u
213 * to any of the available IO engines.
214 */
2866c82d 215 struct ioengine_ops *io_ops;
ebac4655 216
e9c047a0 217 /*
422f9e4b 218 * Queue depth of io_u's that fio MIGHT do
e9c047a0 219 */
ebac4655 220 unsigned int cur_depth;
422f9e4b
RM
221
222 /*
223 * io_u's about to be committed
224 */
d8005759 225 unsigned int io_u_queued;
422f9e4b
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226
227 /*
228 * io_u's submitted but not completed yet
229 */
230 unsigned int io_u_in_flight;
231
232 /*
233 * List of free and busy io_u's
234 */
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235 struct io_u_ring io_u_requeues;
236 struct io_u_queue io_u_freelist;
237 struct io_u_queue io_u_all;
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238 pthread_mutex_t io_u_lock;
239 pthread_cond_t free_cond;
240
241 /*
242 * async verify offload
243 */
244 struct flist_head verify_list;
245 pthread_t *verify_threads;
246 unsigned int nr_verify_threads;
247 pthread_cond_t verify_cond;
248 int verify_thread_exit;
ebac4655 249
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250 /*
251 * Rate state
252 */
bdb6d20a 253 uint64_t rate_bps[DDIR_RWDIR_CNT];
50a8ce86 254 unsigned long rate_next_io_time[DDIR_RWDIR_CNT];
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SL
255 unsigned long rate_bytes[DDIR_RWDIR_CNT];
256 unsigned long rate_blocks[DDIR_RWDIR_CNT];
50a8ce86 257 unsigned long rate_io_issue_bytes[DDIR_RWDIR_CNT];
6eaf09d6 258 struct timeval lastrate[DDIR_RWDIR_CNT];
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259 int64_t last_usec;
260 struct frand_state poisson_state;
ebac4655 261
a9da8ab2
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262 /*
263 * Enforced rate submission/completion workqueue
264 */
265 struct workqueue io_wq;
266
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267 uint64_t total_io_size;
268 uint64_t fill_device_size;
ebac4655 269
74d6277f
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270 /*
271 * Issue side
272 */
ca09be4b 273 uint64_t io_issues[DDIR_RWDIR_CNT];
74d6277f 274 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
cf8a46a7 275 uint64_t loops;
74d6277f
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276
277 /*
278 * Completions
279 */
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280 uint64_t io_blocks[DDIR_RWDIR_CNT];
281 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
282 uint64_t io_bytes[DDIR_RWDIR_CNT];
bdb6d20a 283 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
55312f9f 284 uint64_t io_skip_bytes;
bdb6d20a 285 uint64_t zone_bytes;
cdd18ad8 286 struct fio_mutex *mutex;
55312f9f 287 uint64_t bytes_done[DDIR_RWDIR_CNT];
ebac4655 288
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289 /*
290 * State for random io, a bitmap of blocks done vs not done
291 */
d6b72507 292 struct frand_state random_state;
ebac4655 293
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294 struct timeval start; /* start of this loop */
295 struct timeval epoch; /* time job was started */
a61eddec 296 struct timeval last_issue;
df8fb609 297 long time_offset;
993bf48b 298 struct timeval tv_cache;
cba5460c 299 struct timeval terminate_time;
993bf48b
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300 unsigned int tv_cache_nr;
301 unsigned int tv_cache_mask;
721938ae 302 unsigned int ramp_time_over;
ebac4655 303
3e260a46
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304 /*
305 * Time since last latency_window was started
306 */
307 struct timeval latency_ts;
308 unsigned int latency_qd;
309 unsigned int latency_qd_high;
310 unsigned int latency_qd_low;
311 unsigned int latency_failed;
312 uint64_t latency_ios;
6bb58215 313 int latency_end_run;
3e260a46 314
e9c047a0
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315 /*
316 * read/write mixed workload state
317 */
d6b72507 318 struct frand_state rwmix_state;
e4928662 319 unsigned long rwmix_issues;
e9c047a0 320 enum fio_ddir rwmix_ddir;
5736c10d 321 unsigned int ddir_seq_nr;
a6ccc7be 322
211c9b89
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323 /*
324 * rand/seq mixed workload state
325 */
d6b72507 326 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
211c9b89 327
e9c047a0 328 /*
8de8f047
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329 * IO history logs for verification. We use a tree for sorting,
330 * if we are overwriting. Otherwise just use a fifo.
e9c047a0 331 */
4b87898e 332 struct rb_root io_hist_tree;
01743ee1 333 struct flist_head io_hist_list;
9e144189 334 unsigned long io_hist_len;
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335
336 /*
337 * For IO replaying
338 */
01743ee1 339 struct flist_head io_log_list;
433afcb4 340
0d29de83
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341 /*
342 * For tracking/handling discards
343 */
344 struct flist_head trim_list;
345 unsigned long trim_entries;
346
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347 struct flist_head next_rand_list;
348
1907dbc6
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349 /*
350 * for fileservice, how often to switch to a new file
351 */
352 unsigned int file_service_nr;
353 unsigned int file_service_left;
354 struct fio_file *file_service_file;
9c60ce64 355
44f29692
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356 unsigned int sync_file_range_nr;
357
9c60ce64
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358 /*
359 * For generating file sizes
360 */
d6b72507 361 struct frand_state file_size_state;
f2bba182
RR
362
363 /*
364 * Error counts
365 */
366 unsigned int total_err_count;
367 int first_error;
15dc1934 368
9e684a49
DE
369 struct fio_flow *flow;
370
15dc1934
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371 /*
372 * Can be overloaded by profiles
373 */
7eb36574 374 struct prof_io_ops prof_io_ops;
58c55ba0 375 void *prof_data;
9a3f1100
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376
377 void *pinned_mem;
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378};
379
e592a06b
AC
380/*
381 * when should interactive ETA output be generated
382 */
383enum {
384 FIO_ETA_AUTO,
385 FIO_ETA_ALWAYS,
386 FIO_ETA_NEVER,
387};
388
e1161c32 389#define __td_verror(td, err, msg, func) \
ebac4655 390 do { \
21beb609 391 unsigned int ____e = (err); \
19abcd3d
JA
392 if ((td)->error) \
393 break; \
8271963e 394 (td)->error = ____e; \
f2bba182 395 if (!(td)->first_error) \
98ffb8f3 396 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
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397 } while (0)
398
b990b5c0 399
a9da8ab2
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400#define td_clear_error(td) do { \
401 (td)->error = 0; \
402 if ((td)->parent) \
403 (td)->parent->error = 0; \
404} while (0)
405
406#define td_verror(td, err, func) do { \
407 __td_verror((td), (err), strerror((err)), (func)); \
408 if ((td)->parent) \
409 __td_verror((td)->parent, (err), strerror((err)), (func)); \
410} while (0)
411
412#define td_vmsg(td, err, msg, func) do { \
413 __td_verror((td), (err), (msg), (func)); \
414 if ((td)->parent) \
415 __td_verror((td)->parent, (err), (msg), (func)); \
416} while (0)
b990b5c0 417
81179eec
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418#define __fio_stringify_1(x) #x
419#define __fio_stringify(x) __fio_stringify_1(x)
420
ebac4655 421extern int exitall_on_terminate;
11e950bd 422extern unsigned int thread_number;
108fea77 423extern unsigned int stat_number;
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424extern int shm_id;
425extern int groupid;
f3afa57e 426extern int output_format;
2b8c71b0 427extern int append_terse_output;
53cdc686 428extern int temp_stall_ts;
7078106d 429extern uintptr_t page_mask, page_size;
4241ea8f 430extern int read_only;
e592a06b 431extern int eta_print;
e382e661 432extern int eta_new_line;
d3eeeabc 433extern unsigned long done_secs;
01f06b63 434extern char *job_section;
be4ecfdf
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435extern int fio_gtod_offload;
436extern int fio_gtod_cpu;
c223da83 437extern enum fio_cs fio_clock_source;
fa80feae 438extern int fio_clock_source_set;
a9523c6f 439extern int warnings_fatal;
f57a9c59 440extern int terse_version;
5c341e9a 441extern int is_backend;
a37f69b7 442extern int nr_clients;
e46d8091 443extern int log_syslog;
06464907 444extern int status_interval;
5e726d0a 445extern const char fio_version_string[];
5ddc6707
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446extern int helper_do_stat;
447extern pthread_cond_t helper_cond;
ca09be4b
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448extern char *trigger_file;
449extern char *trigger_cmd;
b63efd30 450extern char *trigger_remote_cmd;
ca09be4b 451extern long long trigger_timeout;
d264264a 452extern char *aux_path;
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453
454extern struct thread_data *threads;
455
effd6ff0 456static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
7101d9c2
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457{
458 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
459}
460
fca70358 461#define REAL_MAX_JOBS 2048
ebac4655 462
87dc1ab1
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463static inline int should_fsync(struct thread_data *td)
464{
465 if (td->last_was_sync)
466 return 0;
2dc1bbeb 467 if (td_write(td) || td_rw(td) || td->o.override_sync)
87dc1ab1
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468 return 1;
469
470 return 0;
471}
472
8914a9d8 473/*
214e1eca 474 * Init/option functions
8914a9d8 475 */
0420ba6a 476extern int __must_check fio_init_options(void);
72cb971b 477extern int __must_check parse_options(int, char **);
46bcd498
JA
478extern int parse_jobs_ini(char *, int, int, int);
479extern int parse_cmd_line(int, char **, int);
2a2804c9 480extern int fio_backend(struct backend_data *);
50d16976 481extern void reset_fio_state(void);
ac28d905 482extern void clear_io_state(struct thread_data *, int);
292cc475 483extern int fio_options_parse(struct thread_data *, char **, int, int);
74929ac2 484extern void fio_keywords_init(void);
af1dc266 485extern void fio_keywords_exit(void);
214e1eca 486extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
de890a1e 487extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
214e1eca
JA
488extern void fio_fill_default_options(struct thread_data *);
489extern int fio_show_option_help(const char *);
de890a1e 490extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
214e1eca 491extern void fio_options_dup_and_init(struct option *);
de890a1e
SL
492extern void fio_options_mem_dupe(struct thread_data *);
493extern void options_mem_dupe(void *data, struct fio_option *options);
5bfc35d7 494extern void td_fill_rand_seeds(struct thread_data *);
46bcd498 495extern void add_job_opts(const char **, int);
ca09be4b 496extern char *num2str(uint64_t, int, int, int, int);
de890a1e 497extern int ioengine_load(struct thread_data *);
f9633d72 498extern int parse_dryrun(void);
046395d7 499extern int fio_running_or_pending_io_threads(void);
3a35845f 500extern int fio_set_fd_nonblocking(int, const char *);
d2235e56 501extern void sig_show_status(int sig);
1ec3d69b 502
a569b45f
JA
503extern uintptr_t page_mask;
504extern uintptr_t page_size;
505extern int initialize_fio(char *envp[]);
af1dc266 506extern void deinitialize_fio(void);
a569b45f 507
de890a1e
SL
508#define FIO_GETOPT_JOB 0x89000000
509#define FIO_GETOPT_IOENGINE 0x98000000
07b3232d 510#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
8914a9d8 511
263e529f
JA
512/*
513 * ETA/status stuff
514 */
515extern void print_thread_status(void);
516extern void print_status_init(int);
0a428b23 517extern char *fio_uint_to_kmg(unsigned int val);
263e529f
JA
518
519/*
520 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
521 * will never back again. It may cycle between running/verififying/fsyncing.
522 * Once the thread reaches TD_EXITED, it is just waiting for the core to
523 * reap it.
524 */
525enum {
526 TD_NOT_CREATED = 0,
527 TD_CREATED,
528 TD_INITIALIZED,
b29ee5b3 529 TD_RAMP,
36d80bc7 530 TD_SETTING_UP,
263e529f 531 TD_RUNNING,
b0f65863 532 TD_PRE_READING,
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533 TD_VERIFYING,
534 TD_FSYNCING,
3d434057 535 TD_FINISHING,
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536 TD_EXITED,
537 TD_REAPED,
6e760cf3 538 TD_LAST,
263e529f
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539};
540
b29ee5b3 541extern void td_set_runstate(struct thread_data *, int);
8edd973d
JA
542extern int td_bump_runstate(struct thread_data *, int);
543extern void td_restore_runstate(struct thread_data *, int);
544
cba5460c
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545/*
546 * Allow 60 seconds for a job to quit on its own, otherwise reap with
547 * a vengeance.
548 */
549#define FIO_REAP_TIMEOUT 60
550
d883efbd
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551#define TERMINATE_ALL (-1U)
552extern void fio_terminate_threads(unsigned int);
ebea2133 553extern void fio_mark_td_terminate(struct thread_data *);
b29ee5b3 554
2f9ade3c
JA
555/*
556 * Memory helpers
557 */
9a3f1100
JA
558extern int __must_check fio_pin_memory(struct thread_data *);
559extern void fio_unpin_memory(struct thread_data *);
b2fdda43 560extern int __must_check allocate_io_mem(struct thread_data *);
2f9ade3c 561extern void free_io_mem(struct thread_data *);
2bb3f0a7 562extern void free_threads_shm(void);
2f9ade3c 563
b29ee5b3
JA
564/*
565 * Reset stats after ramp time completes
566 */
567extern void reset_all_stats(struct thread_data *);
568
fb7b71a3
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569/*
570 * blktrace support
571 */
5e62c22a 572#ifdef FIO_HAVE_BLKTRACE
d95b34a6
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573extern int is_blktrace(const char *, int *);
574extern int load_blktrace(struct thread_data *, const char *, int);
5e62c22a 575#endif
fb7b71a3 576
40511301
JA
577extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
578 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
579 struct timeval *comp_time);
580
3e260a46
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581/*
582 * Latency target helpers
583 */
584extern void lat_target_check(struct thread_data *);
585extern void lat_target_init(struct thread_data *);
6bb58215 586extern void lat_target_reset(struct thread_data *);
3e260a46 587
34572e28
JA
588#define for_each_td(td, i) \
589 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
53cdc686 590#define for_each_file(td, f, i) \
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591 if ((td)->files_index) \
592 for ((i) = 0, (f) = (td)->files[0]; \
593 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
594 (i)++)
53cdc686 595
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596#define fio_assert(td, cond) do { \
597 if (!(cond)) { \
340fd243 598 int *__foo = NULL; \
0032bf9f 599 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
ac18ea38 600 td_set_runstate((td), TD_EXITED); \
437c9b71 601 (td)->error = EFAULT; \
340fd243 602 *__foo = 0; \
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603 } \
604} while (0)
605
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606static inline int fio_fill_issue_time(struct thread_data *td)
607{
608 if (td->o.read_iolog_file ||
609 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
610 return 1;
611
612 return 0;
613}
614
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615static inline int __should_check_rate(struct thread_data *td,
616 enum fio_ddir ddir)
617{
618 struct thread_options *o = &td->o;
619
620 /*
621 * If some rate setting was given, we need to check it
622 */
623 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
624 o->rate_iops_min[ddir])
625 return 1;
626
627 return 0;
628}
629
55312f9f 630static inline int should_check_rate(struct thread_data *td)
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631{
632 int ret = 0;
633
55312f9f 634 if (td->bytes_done[DDIR_READ])
6eaf09d6 635 ret |= __should_check_rate(td, DDIR_READ);
55312f9f 636 if (td->bytes_done[DDIR_WRITE])
6eaf09d6 637 ret |= __should_check_rate(td, DDIR_WRITE);
55312f9f 638 if (td->bytes_done[DDIR_TRIM])
6eaf09d6 639 ret |= __should_check_rate(td, DDIR_TRIM);
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640
641 return ret;
642}
643
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644static inline unsigned int td_max_bs(struct thread_data *td)
645{
646 unsigned int max_bs;
647
648 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
649 return max(td->o.max_bs[DDIR_TRIM], max_bs);
650}
651
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652static inline unsigned int td_min_bs(struct thread_data *td)
653{
654 unsigned int min_bs;
655
656 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
657 return min(td->o.min_bs[DDIR_TRIM], min_bs);
658}
659
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660static inline int td_async_processing(struct thread_data *td)
661{
662 return (td->flags & TD_F_NEED_LOCK) != 0;
663}
664
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665/*
666 * We currently only need to do locking if we have verifier threads
667 * accessing our internal structures too
668 */
669static inline void td_io_u_lock(struct thread_data *td)
670{
a9da8ab2 671 if (td_async_processing(td))
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672 pthread_mutex_lock(&td->io_u_lock);
673}
674
675static inline void td_io_u_unlock(struct thread_data *td)
676{
a9da8ab2 677 if (td_async_processing(td))
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678 pthread_mutex_unlock(&td->io_u_lock);
679}
680
681static inline void td_io_u_free_notify(struct thread_data *td)
682{
a9da8ab2 683 if (td_async_processing(td))
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684 pthread_cond_signal(&td->free_cond);
685}
686
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687extern const char *fio_get_arch_string(int);
688extern const char *fio_get_os_string(int);
689
e2c81040 690#ifdef FIO_INTERNAL
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691#define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
692#define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
e2c81040 693#endif
05775438 694
f3afa57e 695enum {
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696 __FIO_OUTPUT_TERSE = 0,
697 __FIO_OUTPUT_JSON = 1,
698 __FIO_OUTPUT_NORMAL = 2,
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699 __FIO_OUTPUT_JSON_PLUS = 3,
700 FIO_OUTPUT_NR = 4,
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701
702 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
703 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
704 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
513e37ee 705 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
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706};
707
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708enum {
709 FIO_RAND_DIST_RANDOM = 0,
710 FIO_RAND_DIST_ZIPF,
925fee33 711 FIO_RAND_DIST_PARETO,
56d9fa4b 712 FIO_RAND_DIST_GAUSS,
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713};
714
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715#define FIO_DEF_ZIPF 1.1
716#define FIO_DEF_PARETO 0.2
717
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718enum {
719 FIO_RAND_GEN_TAUSWORTHE = 0,
720 FIO_RAND_GEN_LFSR,
c3546b53 721 FIO_RAND_GEN_TAUSWORTHE64,
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722};
723
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724enum {
725 FIO_CPUS_SHARED = 0,
726 FIO_CPUS_SPLIT,
727};
728
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729extern void exec_trigger(const char *);
730extern void check_trigger_file(void);
731
ebac4655 732#endif