Commit | Line | Data |
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ebac4655 JA |
1 | #ifndef FIO_H |
2 | #define FIO_H | |
3 | ||
4 | #include <sched.h> | |
5 | #include <limits.h> | |
6 | #include <pthread.h> | |
7 | #include <sys/time.h> | |
8 | #include <sys/resource.h> | |
3c39a379 JA |
9 | #include <errno.h> |
10 | #include <stdlib.h> | |
11 | #include <stdio.h> | |
6d6f031f | 12 | #include <unistd.h> |
34cfcdaf | 13 | #include <string.h> |
cd14cc10 | 14 | #include <inttypes.h> |
7101d9c2 | 15 | #include <assert.h> |
ebac4655 | 16 | |
ecc314ba BC |
17 | struct thread_data; |
18 | ||
317b95d0 | 19 | #include "compiler/compiler.h" |
ec41265e | 20 | #include "thread_options.h" |
01743ee1 | 21 | #include "flist.h" |
e2887563 | 22 | #include "fifo.h" |
05775438 | 23 | #include "lib/rbtree.h" |
317b95d0 JA |
24 | #include "arch/arch.h" |
25 | #include "os/os.h" | |
07739b57 | 26 | #include "mutex.h" |
a3d741fa JA |
27 | #include "log.h" |
28 | #include "debug.h" | |
d6aed795 JA |
29 | #include "file.h" |
30 | #include "io_ddir.h" | |
dcefb588 | 31 | #include "ioengine.h" |
5995a6a4 | 32 | #include "iolog.h" |
c5c8bd5c | 33 | #include "helpers.h" |
07b3232d | 34 | #include "options.h" |
7eb36574 | 35 | #include "profile.h" |
c223da83 | 36 | #include "time.h" |
a7346816 | 37 | #include "gettime.h" |
bf2e821a | 38 | #include "lib/getopt.h" |
2615cc4b | 39 | #include "lib/rand.h" |
dd366728 | 40 | #include "client.h" |
37db14fe | 41 | #include "server.h" |
a64e88da | 42 | #include "stat.h" |
9e684a49 | 43 | #include "flow.h" |
ebac4655 | 44 | |
609342ff DL |
45 | #ifdef FIO_HAVE_GUASI |
46 | #include <guasi.h> | |
47 | #endif | |
48 | ||
417f0068 JA |
49 | #ifdef FIO_HAVE_SOLARISAIO |
50 | #include <sys/asynch.h> | |
51 | #endif | |
52 | ||
38dad62d JA |
53 | /* |
54 | * offset generator types | |
55 | */ | |
56 | enum { | |
57 | RW_SEQ_SEQ = 0, | |
58 | RW_SEQ_IDENT, | |
59 | }; | |
60 | ||
2dc1bbeb JA |
61 | /* |
62 | * This describes a single thread/process executing a fio job. | |
63 | */ | |
64 | struct thread_data { | |
65 | struct thread_options o; | |
de890a1e | 66 | void *eo; |
e4e33258 | 67 | char verror[FIO_VERROR_SIZE]; |
2dc1bbeb | 68 | pthread_t thread; |
2f122b13 JA |
69 | unsigned int thread_number; |
70 | unsigned int groupid; | |
2dc1bbeb | 71 | struct thread_stat ts; |
7b9f733a | 72 | |
46bcd498 JA |
73 | int client_type; |
74 | ||
7b9f733a JA |
75 | struct io_log *slat_log; |
76 | struct io_log *clat_log; | |
77 | struct io_log *lat_log; | |
78 | struct io_log *bw_log; | |
c8eeb9df | 79 | struct io_log *iops_log; |
7b9f733a | 80 | |
f0505a14 | 81 | uint64_t stat_io_bytes[2]; |
c8eeb9df JA |
82 | struct timeval bw_sample_time; |
83 | ||
84 | uint64_t stat_io_blocks[2]; | |
85 | struct timeval iops_sample_time; | |
f0505a14 | 86 | |
c8aaba19 JA |
87 | struct rusage ru_start; |
88 | struct rusage ru_end; | |
89 | ||
126d65c6 | 90 | struct fio_file **files; |
dd87b2c9 | 91 | unsigned int files_size; |
2dc1bbeb JA |
92 | unsigned int files_index; |
93 | unsigned int nr_open_files; | |
1020a139 | 94 | unsigned int nr_done_files; |
2dc1bbeb JA |
95 | unsigned int nr_normal_files; |
96 | union { | |
97 | unsigned int next_file; | |
98 | os_random_state_t next_file_state; | |
4c07ad86 | 99 | struct frand_state __next_file_state; |
2dc1bbeb JA |
100 | }; |
101 | int error; | |
20e354ef | 102 | int done; |
2dc1bbeb JA |
103 | pid_t pid; |
104 | char *orig_buffer; | |
105 | size_t orig_buffer_size; | |
106 | volatile int terminate; | |
107 | volatile int runstate; | |
108 | unsigned int ioprio; | |
ac684785 | 109 | unsigned int ioprio_set; |
2dc1bbeb | 110 | unsigned int last_was_sync; |
9e144189 | 111 | enum fio_ddir last_ddir; |
2dc1bbeb JA |
112 | |
113 | char *mmapfile; | |
114 | int mmapfd; | |
115 | ||
843a7413 JA |
116 | void *iolog_buf; |
117 | FILE *iolog_f; | |
ebac4655 | 118 | |
da86774e | 119 | char *sysfs_root; |
da86774e | 120 | |
3545a109 | 121 | unsigned long rand_seeds[8]; |
5bfc35d7 | 122 | |
4c07ad86 JA |
123 | union { |
124 | os_random_state_t bsrange_state; | |
125 | struct frand_state __bsrange_state; | |
126 | }; | |
127 | union { | |
128 | os_random_state_t verify_state; | |
129 | struct frand_state __verify_state; | |
130 | }; | |
131 | union { | |
132 | os_random_state_t trim_state; | |
133 | struct frand_state __trim_state; | |
134 | }; | |
ebac4655 | 135 | |
3545a109 JA |
136 | struct frand_state buf_state; |
137 | ||
9e144189 | 138 | unsigned int verify_batch; |
0d29de83 | 139 | unsigned int trim_batch; |
9e144189 | 140 | |
ebac4655 JA |
141 | int shm_id; |
142 | ||
e9c047a0 JA |
143 | /* |
144 | * IO engine hooks, contains everything needed to submit an io_u | |
145 | * to any of the available IO engines. | |
146 | */ | |
2866c82d | 147 | struct ioengine_ops *io_ops; |
ebac4655 | 148 | |
e9c047a0 | 149 | /* |
422f9e4b | 150 | * Queue depth of io_u's that fio MIGHT do |
e9c047a0 | 151 | */ |
ebac4655 | 152 | unsigned int cur_depth; |
422f9e4b RM |
153 | |
154 | /* | |
155 | * io_u's about to be committed | |
156 | */ | |
d8005759 | 157 | unsigned int io_u_queued; |
422f9e4b RM |
158 | |
159 | /* | |
160 | * io_u's submitted but not completed yet | |
161 | */ | |
162 | unsigned int io_u_in_flight; | |
163 | ||
164 | /* | |
165 | * List of free and busy io_u's | |
166 | */ | |
01743ee1 JA |
167 | struct flist_head io_u_freelist; |
168 | struct flist_head io_u_busylist; | |
169 | struct flist_head io_u_requeues; | |
e8462bd8 JA |
170 | pthread_mutex_t io_u_lock; |
171 | pthread_cond_t free_cond; | |
172 | ||
173 | /* | |
174 | * async verify offload | |
175 | */ | |
176 | struct flist_head verify_list; | |
177 | pthread_t *verify_threads; | |
178 | unsigned int nr_verify_threads; | |
179 | pthread_cond_t verify_cond; | |
180 | int verify_thread_exit; | |
ebac4655 | 181 | |
e9c047a0 JA |
182 | /* |
183 | * Rate state | |
184 | */ | |
1b8dbf25 | 185 | unsigned long long rate_bps[2]; |
581e7141 JA |
186 | long rate_pending_usleep[2]; |
187 | unsigned long rate_bytes[2]; | |
188 | unsigned long rate_blocks[2]; | |
189 | struct timeval lastrate[2]; | |
ebac4655 | 190 | |
ebac4655 | 191 | unsigned long long total_io_size; |
2e3bd4c2 | 192 | unsigned long long fill_device_size; |
ebac4655 | 193 | |
755200a3 | 194 | unsigned long io_issues[2]; |
9104f874 | 195 | unsigned long long io_blocks[2]; |
c8eeb9df | 196 | unsigned long long this_io_blocks[2]; |
9104f874 | 197 | unsigned long long io_bytes[2]; |
48f5abd3 | 198 | unsigned long long io_skip_bytes; |
9104f874 | 199 | unsigned long long this_io_bytes[2]; |
079ad09b | 200 | unsigned long long zone_bytes; |
cdd18ad8 | 201 | struct fio_mutex *mutex; |
ebac4655 | 202 | |
e9c047a0 JA |
203 | /* |
204 | * State for random io, a bitmap of blocks done vs not done | |
205 | */ | |
4c07ad86 JA |
206 | union { |
207 | os_random_state_t random_state; | |
208 | struct frand_state __random_state; | |
209 | }; | |
ebac4655 | 210 | |
ebac4655 JA |
211 | struct timeval start; /* start of this loop */ |
212 | struct timeval epoch; /* time job was started */ | |
a61eddec | 213 | struct timeval last_issue; |
993bf48b JA |
214 | struct timeval tv_cache; |
215 | unsigned int tv_cache_nr; | |
216 | unsigned int tv_cache_mask; | |
721938ae | 217 | unsigned int ramp_time_over; |
ebac4655 | 218 | |
e9c047a0 JA |
219 | /* |
220 | * read/write mixed workload state | |
221 | */ | |
4c07ad86 JA |
222 | union { |
223 | os_random_state_t rwmix_state; | |
224 | struct frand_state __rwmix_state; | |
225 | }; | |
e4928662 | 226 | unsigned long rwmix_issues; |
e9c047a0 | 227 | enum fio_ddir rwmix_ddir; |
5736c10d | 228 | unsigned int ddir_seq_nr; |
a6ccc7be | 229 | |
e9c047a0 | 230 | /* |
8de8f047 JA |
231 | * IO history logs for verification. We use a tree for sorting, |
232 | * if we are overwriting. Otherwise just use a fifo. | |
e9c047a0 | 233 | */ |
4b87898e | 234 | struct rb_root io_hist_tree; |
01743ee1 | 235 | struct flist_head io_hist_list; |
9e144189 | 236 | unsigned long io_hist_len; |
8de8f047 JA |
237 | |
238 | /* | |
239 | * For IO replaying | |
240 | */ | |
01743ee1 | 241 | struct flist_head io_log_list; |
433afcb4 | 242 | |
0d29de83 JA |
243 | /* |
244 | * For tracking/handling discards | |
245 | */ | |
246 | struct flist_head trim_list; | |
247 | unsigned long trim_entries; | |
248 | ||
1907dbc6 JA |
249 | /* |
250 | * for fileservice, how often to switch to a new file | |
251 | */ | |
252 | unsigned int file_service_nr; | |
253 | unsigned int file_service_left; | |
254 | struct fio_file *file_service_file; | |
9c60ce64 | 255 | |
44f29692 JA |
256 | unsigned int sync_file_range_nr; |
257 | ||
9c60ce64 JA |
258 | /* |
259 | * For generating file sizes | |
260 | */ | |
4c07ad86 JA |
261 | union { |
262 | os_random_state_t file_size_state; | |
263 | struct frand_state __file_size_state; | |
264 | }; | |
f2bba182 RR |
265 | |
266 | /* | |
267 | * Error counts | |
268 | */ | |
269 | unsigned int total_err_count; | |
270 | int first_error; | |
15dc1934 | 271 | |
9e684a49 DE |
272 | struct fio_flow *flow; |
273 | ||
15dc1934 JA |
274 | /* |
275 | * Can be overloaded by profiles | |
276 | */ | |
7eb36574 | 277 | struct prof_io_ops prof_io_ops; |
58c55ba0 | 278 | void *prof_data; |
ebac4655 JA |
279 | }; |
280 | ||
e592a06b AC |
281 | /* |
282 | * when should interactive ETA output be generated | |
283 | */ | |
284 | enum { | |
285 | FIO_ETA_AUTO, | |
286 | FIO_ETA_ALWAYS, | |
287 | FIO_ETA_NEVER, | |
288 | }; | |
289 | ||
e1161c32 | 290 | #define __td_verror(td, err, msg, func) \ |
ebac4655 | 291 | do { \ |
19abcd3d JA |
292 | if ((td)->error) \ |
293 | break; \ | |
ebac4655 JA |
294 | int e = (err); \ |
295 | (td)->error = e; \ | |
f2bba182 RR |
296 | if (!(td)->first_error) \ |
297 | snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ | |
ebac4655 JA |
298 | } while (0) |
299 | ||
b990b5c0 | 300 | |
f2bba182 RR |
301 | #define td_clear_error(td) \ |
302 | (td)->error = 0; | |
e1161c32 JA |
303 | #define td_verror(td, err, func) \ |
304 | __td_verror((td), (err), strerror((err)), (func)) | |
305 | #define td_vmsg(td, err, msg, func) \ | |
306 | __td_verror((td), (err), (msg), (func)) | |
b990b5c0 | 307 | |
81179eec JA |
308 | #define __fio_stringify_1(x) #x |
309 | #define __fio_stringify(x) __fio_stringify_1(x) | |
310 | ||
ebac4655 | 311 | extern int exitall_on_terminate; |
11e950bd | 312 | extern unsigned int thread_number; |
ebac4655 JA |
313 | extern int shm_id; |
314 | extern int groupid; | |
c6ae0a5b | 315 | extern int terse_output; |
53cdc686 | 316 | extern int temp_stall_ts; |
1e97cce9 | 317 | extern unsigned long long mlock_size; |
cfc99db7 | 318 | extern unsigned long page_mask, page_size; |
4241ea8f | 319 | extern int read_only; |
e592a06b | 320 | extern int eta_print; |
d3eeeabc | 321 | extern unsigned long done_secs; |
01f06b63 | 322 | extern char *job_section; |
be4ecfdf JA |
323 | extern int fio_gtod_offload; |
324 | extern int fio_gtod_cpu; | |
c223da83 | 325 | extern enum fio_cs fio_clock_source; |
a9523c6f | 326 | extern int warnings_fatal; |
f57a9c59 | 327 | extern int terse_version; |
5c341e9a | 328 | extern int is_backend; |
a37f69b7 | 329 | extern int nr_clients; |
e46d8091 | 330 | extern int log_syslog; |
5e726d0a | 331 | extern const char fio_version_string[]; |
802ad4a8 | 332 | extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN]; |
ebac4655 JA |
333 | |
334 | extern struct thread_data *threads; | |
335 | ||
7101d9c2 JA |
336 | static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) |
337 | { | |
338 | assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); | |
339 | } | |
340 | ||
0ce8b119 | 341 | #define BLOCKS_PER_MAP (8 * sizeof(unsigned long)) |
aec2de20 JA |
342 | #define TO_MAP_BLOCK(f, b) (b) |
343 | #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) | |
344 | #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) | |
ebac4655 | 345 | |
fca70358 | 346 | #define REAL_MAX_JOBS 2048 |
ebac4655 | 347 | |
1ec99eea | 348 | #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ) |
f2bba182 | 349 | |
06842027 SL |
350 | static inline enum error_type td_error_type(enum fio_ddir ddir, int err) |
351 | { | |
352 | if (err == EILSEQ) | |
353 | return ERROR_TYPE_VERIFY; | |
354 | if (ddir == DDIR_READ) | |
355 | return ERROR_TYPE_READ; | |
356 | return ERROR_TYPE_WRITE; | |
357 | } | |
358 | ||
f2bba182 RR |
359 | static inline void update_error_count(struct thread_data *td, int err) |
360 | { | |
361 | td->total_err_count++; | |
362 | if (td->total_err_count == 1) | |
363 | td->first_error = err; | |
364 | } | |
365 | ||
87dc1ab1 JA |
366 | static inline int should_fsync(struct thread_data *td) |
367 | { | |
368 | if (td->last_was_sync) | |
369 | return 0; | |
2dc1bbeb | 370 | if (td->o.odirect) |
87dc1ab1 | 371 | return 0; |
2dc1bbeb | 372 | if (td_write(td) || td_rw(td) || td->o.override_sync) |
87dc1ab1 JA |
373 | return 1; |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
8914a9d8 | 378 | /* |
214e1eca | 379 | * Init/option functions |
8914a9d8 | 380 | */ |
0420ba6a | 381 | extern int __must_check fio_init_options(void); |
72cb971b | 382 | extern int __must_check parse_options(int, char **); |
46bcd498 JA |
383 | extern int parse_jobs_ini(char *, int, int, int); |
384 | extern int parse_cmd_line(int, char **, int); | |
2e1df07d | 385 | extern int fio_backend(void); |
50d16976 | 386 | extern void reset_fio_state(void); |
2e1df07d | 387 | extern void clear_io_state(struct thread_data *); |
3b8b7135 | 388 | extern int fio_options_parse(struct thread_data *, char **, int); |
74929ac2 | 389 | extern void fio_keywords_init(void); |
214e1eca | 390 | extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); |
de890a1e | 391 | extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *); |
214e1eca JA |
392 | extern void fio_fill_default_options(struct thread_data *); |
393 | extern int fio_show_option_help(const char *); | |
de890a1e | 394 | extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td); |
214e1eca | 395 | extern void fio_options_dup_and_init(struct option *); |
de890a1e SL |
396 | extern void fio_options_mem_dupe(struct thread_data *); |
397 | extern void options_mem_dupe(void *data, struct fio_option *options); | |
5bfc35d7 | 398 | extern void td_fill_rand_seeds(struct thread_data *); |
46bcd498 | 399 | extern void add_job_opts(const char **, int); |
1ec3d69b | 400 | extern char *num2str(unsigned long, int, int, int); |
de890a1e | 401 | extern int ioengine_load(struct thread_data *); |
1ec3d69b | 402 | |
e61ca217 JA |
403 | extern unsigned long page_mask; |
404 | extern unsigned long page_size; | |
405 | extern int initialize_fio(char *envp[]); | |
406 | ||
de890a1e SL |
407 | #define FIO_GETOPT_JOB 0x89000000 |
408 | #define FIO_GETOPT_IOENGINE 0x98000000 | |
07b3232d | 409 | #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128) |
8914a9d8 | 410 | |
263e529f JA |
411 | /* |
412 | * ETA/status stuff | |
413 | */ | |
414 | extern void print_thread_status(void); | |
415 | extern void print_status_init(int); | |
99d633af | 416 | extern char *fio_uint_to_kmg(unsigned int val); |
263e529f JA |
417 | |
418 | /* | |
419 | * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it | |
420 | * will never back again. It may cycle between running/verififying/fsyncing. | |
421 | * Once the thread reaches TD_EXITED, it is just waiting for the core to | |
422 | * reap it. | |
423 | */ | |
424 | enum { | |
425 | TD_NOT_CREATED = 0, | |
426 | TD_CREATED, | |
427 | TD_INITIALIZED, | |
b29ee5b3 | 428 | TD_RAMP, |
263e529f | 429 | TD_RUNNING, |
b0f65863 | 430 | TD_PRE_READING, |
263e529f JA |
431 | TD_VERIFYING, |
432 | TD_FSYNCING, | |
433 | TD_EXITED, | |
434 | TD_REAPED, | |
435 | }; | |
436 | ||
b29ee5b3 | 437 | extern void td_set_runstate(struct thread_data *, int); |
cc0df00a JA |
438 | #define TERMINATE_ALL (-1) |
439 | extern void fio_terminate_threads(int); | |
b29ee5b3 | 440 | |
2f9ade3c JA |
441 | /* |
442 | * Memory helpers | |
443 | */ | |
b2fdda43 | 444 | extern int __must_check fio_pin_memory(void); |
2f9ade3c | 445 | extern void fio_unpin_memory(void); |
b2fdda43 | 446 | extern int __must_check allocate_io_mem(struct thread_data *); |
2f9ade3c | 447 | extern void free_io_mem(struct thread_data *); |
2bb3f0a7 | 448 | extern void free_threads_shm(void); |
2f9ade3c | 449 | |
b29ee5b3 JA |
450 | /* |
451 | * Reset stats after ramp time completes | |
452 | */ | |
453 | extern void reset_all_stats(struct thread_data *); | |
454 | ||
fb7b71a3 JA |
455 | /* |
456 | * blktrace support | |
457 | */ | |
5e62c22a | 458 | #ifdef FIO_HAVE_BLKTRACE |
fb7b71a3 JA |
459 | extern int is_blktrace(const char *); |
460 | extern int load_blktrace(struct thread_data *, const char *); | |
5e62c22a | 461 | #endif |
fb7b71a3 | 462 | |
2866c82d JA |
463 | /* |
464 | * Mark unused variables passed to ops functions as unused, to silence gcc | |
465 | */ | |
466 | #define fio_unused __attribute((__unused__)) | |
5f350952 JA |
467 | #define fio_init __attribute__((constructor)) |
468 | #define fio_exit __attribute__((destructor)) | |
2866c82d | 469 | |
34572e28 JA |
470 | #define for_each_td(td, i) \ |
471 | for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) | |
53cdc686 | 472 | #define for_each_file(td, f, i) \ |
691c8fb0 JA |
473 | if ((td)->files_index) \ |
474 | for ((i) = 0, (f) = (td)->files[0]; \ | |
475 | (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ | |
476 | (i)++) | |
53cdc686 | 477 | |
0032bf9f JA |
478 | #define fio_assert(td, cond) do { \ |
479 | if (!(cond)) { \ | |
340fd243 | 480 | int *__foo = NULL; \ |
0032bf9f | 481 | fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ |
ac18ea38 | 482 | td_set_runstate((td), TD_EXITED); \ |
437c9b71 | 483 | (td)->error = EFAULT; \ |
340fd243 | 484 | *__foo = 0; \ |
0032bf9f JA |
485 | } \ |
486 | } while (0) | |
487 | ||
12d9d841 JA |
488 | static inline int fio_fill_issue_time(struct thread_data *td) |
489 | { | |
490 | if (td->o.read_iolog_file || | |
491 | !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) | |
492 | return 1; | |
493 | ||
494 | return 0; | |
495 | } | |
496 | ||
581e7141 JA |
497 | static inline int __should_check_rate(struct thread_data *td, |
498 | enum fio_ddir ddir) | |
499 | { | |
500 | struct thread_options *o = &td->o; | |
501 | ||
502 | /* | |
503 | * If some rate setting was given, we need to check it | |
504 | */ | |
505 | if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] || | |
506 | o->rate_iops_min[ddir]) | |
507 | return 1; | |
508 | ||
509 | return 0; | |
510 | } | |
511 | ||
512 | static inline int should_check_rate(struct thread_data *td, | |
513 | unsigned long *bytes_done) | |
514 | { | |
515 | int ret = 0; | |
516 | ||
517 | if (bytes_done[0]) | |
518 | ret |= __should_check_rate(td, 0); | |
519 | if (bytes_done[1]) | |
520 | ret |= __should_check_rate(td, 1); | |
521 | ||
522 | return ret; | |
523 | } | |
524 | ||
d529ee19 JA |
525 | static inline int is_power_of_2(unsigned int val) |
526 | { | |
527 | return (val != 0 && ((val & (val - 1)) == 0)); | |
528 | } | |
529 | ||
e8462bd8 JA |
530 | /* |
531 | * We currently only need to do locking if we have verifier threads | |
532 | * accessing our internal structures too | |
533 | */ | |
534 | static inline void td_io_u_lock(struct thread_data *td) | |
535 | { | |
536 | if (td->o.verify_async) | |
537 | pthread_mutex_lock(&td->io_u_lock); | |
538 | } | |
539 | ||
540 | static inline void td_io_u_unlock(struct thread_data *td) | |
541 | { | |
542 | if (td->o.verify_async) | |
543 | pthread_mutex_unlock(&td->io_u_lock); | |
544 | } | |
545 | ||
546 | static inline void td_io_u_free_notify(struct thread_data *td) | |
547 | { | |
548 | if (td->o.verify_async) | |
549 | pthread_cond_signal(&td->free_cond); | |
550 | } | |
551 | ||
cca84643 JA |
552 | extern const char *fio_get_arch_string(int); |
553 | extern const char *fio_get_os_string(int); | |
554 | ||
05775438 JA |
555 | #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0]))) |
556 | ||
ebac4655 | 557 | #endif |