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parse: dump option type when using --debug=parse
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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>
9#include <errno.h>
10#include <stdlib.h>
11#include <stdio.h>
12#include <unistd.h>
13#include <string.h>
14#include <inttypes.h>
15#include <assert.h>
16
17#include "compiler/compiler.h"
18#include "thread_options.h"
19#include "flist.h"
20#include "fifo.h"
21#include "arch/arch.h"
22#include "os/os.h"
23#include "mutex.h"
24#include "log.h"
25#include "debug.h"
26#include "file.h"
27#include "io_ddir.h"
28#include "ioengines.h"
29#include "iolog.h"
30#include "helpers.h"
31#include "options.h"
32#include "profile.h"
33#include "fio_time.h"
34#include "gettime.h"
35#include "oslib/getopt.h"
36#include "lib/rand.h"
37#include "lib/rbtree.h"
38#include "lib/num2str.h"
39#include "client.h"
40#include "server.h"
41#include "stat.h"
42#include "flow.h"
43#include "io_u.h"
44#include "io_u_queue.h"
45#include "workqueue.h"
46#include "steadystate.h"
47
48#ifdef CONFIG_SOLARISAIO
49#include <sys/asynch.h>
50#endif
51
52#ifdef CONFIG_LIBNUMA
53#include <linux/mempolicy.h>
54#include <numa.h>
55
56/*
57 * "local" is pseudo-policy
58 */
59#define MPOL_LOCAL MPOL_MAX
60#endif
61
62#ifdef CONFIG_CUDA
63#include <cuda.h>
64#endif
65
66/*
67 * offset generator types
68 */
69enum {
70 RW_SEQ_SEQ = 0,
71 RW_SEQ_IDENT,
72};
73
74enum {
75 __TD_F_VER_BACKLOG = 0,
76 __TD_F_TRIM_BACKLOG,
77 __TD_F_READ_IOLOG,
78 __TD_F_REFILL_BUFFERS,
79 __TD_F_SCRAMBLE_BUFFERS,
80 __TD_F_VER_NONE,
81 __TD_F_PROFILE_OPS,
82 __TD_F_COMPRESS,
83 __TD_F_COMPRESS_LOG,
84 __TD_F_VSTATE_SAVED,
85 __TD_F_NEED_LOCK,
86 __TD_F_CHILD,
87 __TD_F_NO_PROGRESS,
88 __TD_F_REGROW_LOGS,
89 __TD_F_MMAP_KEEP,
90 __TD_F_DIRS_CREATED,
91 __TD_F_CHECK_RATE,
92 __TD_F_LAST, /* not a real bit, keep last */
93};
94
95enum {
96 TD_F_VER_BACKLOG = 1U << __TD_F_VER_BACKLOG,
97 TD_F_TRIM_BACKLOG = 1U << __TD_F_TRIM_BACKLOG,
98 TD_F_READ_IOLOG = 1U << __TD_F_READ_IOLOG,
99 TD_F_REFILL_BUFFERS = 1U << __TD_F_REFILL_BUFFERS,
100 TD_F_SCRAMBLE_BUFFERS = 1U << __TD_F_SCRAMBLE_BUFFERS,
101 TD_F_VER_NONE = 1U << __TD_F_VER_NONE,
102 TD_F_PROFILE_OPS = 1U << __TD_F_PROFILE_OPS,
103 TD_F_COMPRESS = 1U << __TD_F_COMPRESS,
104 TD_F_COMPRESS_LOG = 1U << __TD_F_COMPRESS_LOG,
105 TD_F_VSTATE_SAVED = 1U << __TD_F_VSTATE_SAVED,
106 TD_F_NEED_LOCK = 1U << __TD_F_NEED_LOCK,
107 TD_F_CHILD = 1U << __TD_F_CHILD,
108 TD_F_NO_PROGRESS = 1U << __TD_F_NO_PROGRESS,
109 TD_F_REGROW_LOGS = 1U << __TD_F_REGROW_LOGS,
110 TD_F_MMAP_KEEP = 1U << __TD_F_MMAP_KEEP,
111 TD_F_DIRS_CREATED = 1U << __TD_F_DIRS_CREATED,
112 TD_F_CHECK_RATE = 1U << __TD_F_CHECK_RATE,
113};
114
115enum {
116 FIO_RAND_BS_OFF = 0,
117 FIO_RAND_BS1_OFF,
118 FIO_RAND_BS2_OFF,
119 FIO_RAND_VER_OFF,
120 FIO_RAND_MIX_OFF,
121 FIO_RAND_FILE_OFF,
122 FIO_RAND_BLOCK_OFF,
123 FIO_RAND_FILE_SIZE_OFF,
124 FIO_RAND_TRIM_OFF,
125 FIO_RAND_BUF_OFF,
126 FIO_RAND_SEQ_RAND_READ_OFF,
127 FIO_RAND_SEQ_RAND_WRITE_OFF,
128 FIO_RAND_SEQ_RAND_TRIM_OFF,
129 FIO_RAND_START_DELAY,
130 FIO_DEDUPE_OFF,
131 FIO_RAND_POISSON_OFF,
132 FIO_RAND_ZONE_OFF,
133 FIO_RAND_POISSON2_OFF,
134 FIO_RAND_POISSON3_OFF,
135 FIO_RAND_NR_OFFS,
136};
137
138enum {
139 IO_MODE_INLINE = 0,
140 IO_MODE_OFFLOAD = 1,
141
142 RATE_PROCESS_LINEAR = 0,
143 RATE_PROCESS_POISSON = 1,
144};
145
146enum {
147 F_ADV_NONE = 0,
148 F_ADV_TYPE,
149 F_ADV_RANDOM,
150 F_ADV_SEQUENTIAL,
151};
152
153/*
154 * Per-thread/process specific data. Only used for the network client
155 * for now.
156 */
157void sk_out_assign(struct sk_out *);
158void sk_out_drop(void);
159
160struct zone_split_index {
161 uint8_t size_perc;
162 uint8_t size_perc_prev;
163 uint64_t size;
164 uint64_t size_prev;
165};
166
167/*
168 * This describes a single thread/process executing a fio job.
169 */
170struct thread_data {
171 struct flist_head opt_list;
172 unsigned long flags;
173 struct thread_options o;
174 void *eo;
175 pthread_t thread;
176 unsigned int thread_number;
177 unsigned int subjob_number;
178 unsigned int groupid;
179 struct thread_stat ts __attribute__ ((aligned(8)));
180
181 int client_type;
182
183 struct io_log *slat_log;
184 struct io_log *clat_log;
185 struct io_log *clat_hist_log;
186 struct io_log *lat_log;
187 struct io_log *bw_log;
188 struct io_log *iops_log;
189
190 struct workqueue log_compress_wq;
191
192 struct thread_data *parent;
193
194 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
195 struct timespec bw_sample_time;
196
197 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
198 struct timespec iops_sample_time;
199
200 volatile int update_rusage;
201 struct fio_mutex *rusage_sem;
202 struct rusage ru_start;
203 struct rusage ru_end;
204
205 struct fio_file **files;
206 unsigned char *file_locks;
207 unsigned int files_size;
208 unsigned int files_index;
209 unsigned int nr_open_files;
210 unsigned int nr_done_files;
211 union {
212 unsigned int next_file;
213 struct frand_state next_file_state;
214 };
215 union {
216 struct zipf_state next_file_zipf;
217 struct gauss_state next_file_gauss;
218 };
219 union {
220 double zipf_theta;
221 double pareto_h;
222 double gauss_dev;
223 };
224 int error;
225 int sig;
226 int done;
227 int stop_io;
228 pid_t pid;
229 char *orig_buffer;
230 size_t orig_buffer_size;
231 volatile int terminate;
232 volatile int runstate;
233 unsigned int last_was_sync;
234 enum fio_ddir last_ddir;
235
236 int mmapfd;
237
238 void *iolog_buf;
239 FILE *iolog_f;
240
241 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
242
243 struct frand_state bsrange_state[DDIR_RWDIR_CNT];
244 struct frand_state verify_state;
245 struct frand_state trim_state;
246 struct frand_state delay_state;
247
248 struct frand_state buf_state;
249 struct frand_state buf_state_prev;
250 struct frand_state dedupe_state;
251 struct frand_state zone_state;
252
253 struct zone_split_index **zone_state_index;
254
255 unsigned int verify_batch;
256 unsigned int trim_batch;
257
258 struct thread_io_list *vstate;
259
260 int shm_id;
261
262 /*
263 * IO engine hooks, contains everything needed to submit an io_u
264 * to any of the available IO engines.
265 */
266 struct ioengine_ops *io_ops;
267 int io_ops_init;
268
269 /*
270 * IO engine private data and dlhandle.
271 */
272 void *io_ops_data;
273 void *io_ops_dlhandle;
274
275 /*
276 * Queue depth of io_u's that fio MIGHT do
277 */
278 unsigned int cur_depth;
279
280 /*
281 * io_u's about to be committed
282 */
283 unsigned int io_u_queued;
284
285 /*
286 * io_u's submitted but not completed yet
287 */
288 unsigned int io_u_in_flight;
289
290 /*
291 * List of free and busy io_u's
292 */
293 struct io_u_ring io_u_requeues;
294 struct io_u_queue io_u_freelist;
295 struct io_u_queue io_u_all;
296 pthread_mutex_t io_u_lock;
297 pthread_cond_t free_cond;
298
299 /*
300 * async verify offload
301 */
302 struct flist_head verify_list;
303 pthread_t *verify_threads;
304 unsigned int nr_verify_threads;
305 pthread_cond_t verify_cond;
306 int verify_thread_exit;
307
308 /*
309 * Rate state
310 */
311 uint64_t rate_bps[DDIR_RWDIR_CNT];
312 uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
313 unsigned long rate_bytes[DDIR_RWDIR_CNT];
314 unsigned long rate_blocks[DDIR_RWDIR_CNT];
315 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
316 struct timespec lastrate[DDIR_RWDIR_CNT];
317 int64_t last_usec[DDIR_RWDIR_CNT];
318 struct frand_state poisson_state[DDIR_RWDIR_CNT];
319
320 /*
321 * Enforced rate submission/completion workqueue
322 */
323 struct workqueue io_wq;
324
325 uint64_t total_io_size;
326 uint64_t fill_device_size;
327
328 /*
329 * Issue side
330 */
331 uint64_t io_issues[DDIR_RWDIR_CNT];
332 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
333 uint64_t loops;
334
335 /*
336 * Completions
337 */
338 uint64_t io_blocks[DDIR_RWDIR_CNT];
339 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
340 uint64_t io_bytes[DDIR_RWDIR_CNT];
341 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
342 uint64_t io_skip_bytes;
343 uint64_t zone_bytes;
344 struct fio_mutex *mutex;
345 uint64_t bytes_done[DDIR_RWDIR_CNT];
346
347 /*
348 * State for random io, a bitmap of blocks done vs not done
349 */
350 struct frand_state random_state;
351
352 struct timespec start; /* start of this loop */
353 struct timespec epoch; /* time job was started */
354 unsigned long long unix_epoch; /* Time job was started, unix epoch based. */
355 struct timespec last_issue;
356 long time_offset;
357 struct timespec ts_cache;
358 struct timespec terminate_time;
359 unsigned int ts_cache_nr;
360 unsigned int ts_cache_mask;
361 bool ramp_time_over;
362
363 /*
364 * Time since last latency_window was started
365 */
366 struct timespec latency_ts;
367 unsigned int latency_qd;
368 unsigned int latency_qd_high;
369 unsigned int latency_qd_low;
370 unsigned int latency_failed;
371 uint64_t latency_ios;
372 int latency_end_run;
373
374 /*
375 * read/write mixed workload state
376 */
377 struct frand_state rwmix_state;
378 unsigned long rwmix_issues;
379 enum fio_ddir rwmix_ddir;
380 unsigned int ddir_seq_nr;
381
382 /*
383 * rand/seq mixed workload state
384 */
385 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
386
387 /*
388 * IO history logs for verification. We use a tree for sorting,
389 * if we are overwriting. Otherwise just use a fifo.
390 */
391 struct rb_root io_hist_tree;
392 struct flist_head io_hist_list;
393 unsigned long io_hist_len;
394
395 /*
396 * For IO replaying
397 */
398 struct flist_head io_log_list;
399
400 /*
401 * For tracking/handling discards
402 */
403 struct flist_head trim_list;
404 unsigned long trim_entries;
405
406 struct flist_head next_rand_list;
407
408 /*
409 * for fileservice, how often to switch to a new file
410 */
411 unsigned int file_service_nr;
412 unsigned int file_service_left;
413 struct fio_file *file_service_file;
414
415 unsigned int sync_file_range_nr;
416
417 /*
418 * For generating file sizes
419 */
420 struct frand_state file_size_state;
421
422 /*
423 * Error counts
424 */
425 unsigned int total_err_count;
426 int first_error;
427
428 struct fio_flow *flow;
429
430 /*
431 * Can be overloaded by profiles
432 */
433 struct prof_io_ops prof_io_ops;
434 void *prof_data;
435
436 void *pinned_mem;
437
438 struct steadystate_data ss;
439
440 char verror[FIO_VERROR_SIZE];
441
442#ifdef CONFIG_CUDA
443 /*
444 * for GPU memory management
445 */
446 int gpu_dev_cnt;
447 int gpu_dev_id;
448 CUdevice cu_dev;
449 CUcontext cu_ctx;
450 CUdeviceptr dev_mem_ptr;
451#endif
452
453};
454
455/*
456 * when should interactive ETA output be generated
457 */
458enum {
459 FIO_ETA_AUTO,
460 FIO_ETA_ALWAYS,
461 FIO_ETA_NEVER,
462};
463
464#define __td_verror(td, err, msg, func) \
465 do { \
466 unsigned int ____e = (err); \
467 if ((td)->error) \
468 break; \
469 (td)->error = ____e; \
470 if (!(td)->first_error) \
471 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
472 } while (0)
473
474
475#define td_clear_error(td) do { \
476 (td)->error = 0; \
477 if ((td)->parent) \
478 (td)->parent->error = 0; \
479} while (0)
480
481#define td_verror(td, err, func) do { \
482 __td_verror((td), (err), strerror((err)), (func)); \
483 if ((td)->parent) \
484 __td_verror((td)->parent, (err), strerror((err)), (func)); \
485} while (0)
486
487#define td_vmsg(td, err, msg, func) do { \
488 __td_verror((td), (err), (msg), (func)); \
489 if ((td)->parent) \
490 __td_verror((td)->parent, (err), (msg), (func)); \
491} while (0)
492
493#define __fio_stringify_1(x) #x
494#define __fio_stringify(x) __fio_stringify_1(x)
495
496extern int exitall_on_terminate;
497extern unsigned int thread_number;
498extern unsigned int stat_number;
499extern int shm_id;
500extern int groupid;
501extern int output_format;
502extern int append_terse_output;
503extern int temp_stall_ts;
504extern uintptr_t page_mask, page_size;
505extern int read_only;
506extern int eta_print;
507extern int eta_new_line;
508extern unsigned int eta_interval_msec;
509extern unsigned long done_secs;
510extern int fio_gtod_offload;
511extern int fio_gtod_cpu;
512extern enum fio_cs fio_clock_source;
513extern int fio_clock_source_set;
514extern int warnings_fatal;
515extern int terse_version;
516extern int is_backend;
517extern int nr_clients;
518extern int log_syslog;
519extern int status_interval;
520extern const char fio_version_string[];
521extern char *trigger_file;
522extern char *trigger_cmd;
523extern char *trigger_remote_cmd;
524extern long long trigger_timeout;
525extern char *aux_path;
526
527extern struct thread_data *threads;
528
529extern bool eta_time_within_slack(unsigned int time);
530
531static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
532{
533 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
534}
535
536#define REAL_MAX_JOBS 4096
537
538static inline int should_fsync(struct thread_data *td)
539{
540 if (td->last_was_sync)
541 return 0;
542 if (td_write(td) || td->o.override_sync)
543 return 1;
544
545 return 0;
546}
547
548/*
549 * Init/option functions
550 */
551extern int __must_check fio_init_options(void);
552extern int __must_check parse_options(int, char **);
553extern int parse_jobs_ini(char *, int, int, int);
554extern int parse_cmd_line(int, char **, int);
555extern int fio_backend(struct sk_out *);
556extern void reset_fio_state(void);
557extern void clear_io_state(struct thread_data *, int);
558extern int fio_options_parse(struct thread_data *, char **, int);
559extern void fio_keywords_init(void);
560extern void fio_keywords_exit(void);
561extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
562extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
563extern void fio_fill_default_options(struct thread_data *);
564extern int fio_show_option_help(const char *);
565extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
566extern void fio_options_dup_and_init(struct option *);
567extern void fio_options_mem_dupe(struct thread_data *);
568extern void td_fill_rand_seeds(struct thread_data *);
569extern void td_fill_verify_state_seed(struct thread_data *);
570extern void add_job_opts(const char **, int);
571extern int ioengine_load(struct thread_data *);
572extern bool parse_dryrun(void);
573extern int fio_running_or_pending_io_threads(void);
574extern int fio_set_fd_nonblocking(int, const char *);
575extern void sig_show_status(int sig);
576extern struct thread_data *get_global_options(void);
577
578extern uintptr_t page_mask;
579extern uintptr_t page_size;
580extern int initialize_fio(char *envp[]);
581extern void deinitialize_fio(void);
582
583#define FIO_GETOPT_JOB 0x89000000
584#define FIO_GETOPT_IOENGINE 0x98000000
585#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
586
587/*
588 * ETA/status stuff
589 */
590extern void print_thread_status(void);
591extern void print_status_init(int);
592extern char *fio_uint_to_kmg(unsigned int val);
593
594/*
595 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
596 * will never back again. It may cycle between running/verififying/fsyncing.
597 * Once the thread reaches TD_EXITED, it is just waiting for the core to
598 * reap it.
599 */
600enum {
601 TD_NOT_CREATED = 0,
602 TD_CREATED,
603 TD_INITIALIZED,
604 TD_RAMP,
605 TD_SETTING_UP,
606 TD_RUNNING,
607 TD_PRE_READING,
608 TD_VERIFYING,
609 TD_FSYNCING,
610 TD_FINISHING,
611 TD_EXITED,
612 TD_REAPED,
613 TD_LAST,
614 TD_NR,
615};
616
617#define TD_ENG_FLAG_SHIFT 17
618#define TD_ENG_FLAG_MASK ((1U << 17) - 1)
619
620static inline void td_set_ioengine_flags(struct thread_data *td)
621{
622 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
623 (td->io_ops->flags << TD_ENG_FLAG_SHIFT);
624}
625
626static inline bool td_ioengine_flagged(struct thread_data *td,
627 enum fio_ioengine_flags flags)
628{
629 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
630}
631
632extern void td_set_runstate(struct thread_data *, int);
633extern int td_bump_runstate(struct thread_data *, int);
634extern void td_restore_runstate(struct thread_data *, int);
635extern const char *runstate_to_name(int runstate);
636
637/*
638 * Allow 60 seconds for a job to quit on its own, otherwise reap with
639 * a vengeance.
640 */
641#define FIO_REAP_TIMEOUT 300
642
643#define TERMINATE_ALL (-1U)
644extern void fio_terminate_threads(unsigned int);
645extern void fio_mark_td_terminate(struct thread_data *);
646
647/*
648 * Memory helpers
649 */
650extern int __must_check fio_pin_memory(struct thread_data *);
651extern void fio_unpin_memory(struct thread_data *);
652extern int __must_check allocate_io_mem(struct thread_data *);
653extern void free_io_mem(struct thread_data *);
654extern void free_threads_shm(void);
655
656#ifdef FIO_INTERNAL
657#define PTR_ALIGN(ptr, mask) \
658 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
659#endif
660
661/*
662 * Reset stats after ramp time completes
663 */
664extern void reset_all_stats(struct thread_data *);
665
666extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
667 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
668 struct timespec *comp_time);
669
670/*
671 * Latency target helpers
672 */
673extern void lat_target_check(struct thread_data *);
674extern void lat_target_init(struct thread_data *);
675extern void lat_target_reset(struct thread_data *);
676
677/*
678 * Iterates all threads/processes within all the defined jobs
679 */
680#define for_each_td(td, i) \
681 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
682#define for_each_file(td, f, i) \
683 if ((td)->files_index) \
684 for ((i) = 0, (f) = (td)->files[0]; \
685 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
686 (i)++)
687
688#define fio_assert(td, cond) do { \
689 if (!(cond)) { \
690 int *__foo = NULL; \
691 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
692 td_set_runstate((td), TD_EXITED); \
693 (td)->error = EFAULT; \
694 *__foo = 0; \
695 } \
696} while (0)
697
698static inline bool fio_fill_issue_time(struct thread_data *td)
699{
700 if (td->o.read_iolog_file ||
701 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
702 return true;
703
704 return false;
705}
706
707static inline bool option_check_rate(struct thread_data *td, enum fio_ddir ddir)
708{
709 struct thread_options *o = &td->o;
710
711 /*
712 * If some rate setting was given, we need to check it
713 */
714 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
715 o->rate_iops_min[ddir])
716 return true;
717
718 return false;
719}
720
721static inline bool __should_check_rate(struct thread_data *td,
722 enum fio_ddir ddir)
723{
724 return (td->flags & TD_F_CHECK_RATE) != 0;
725}
726
727static inline bool should_check_rate(struct thread_data *td)
728{
729 if (__should_check_rate(td, DDIR_READ) && td->bytes_done[DDIR_READ])
730 return true;
731 if (__should_check_rate(td, DDIR_WRITE) && td->bytes_done[DDIR_WRITE])
732 return true;
733 if (__should_check_rate(td, DDIR_TRIM) && td->bytes_done[DDIR_TRIM])
734 return true;
735
736 return false;
737}
738
739static inline unsigned int td_max_bs(struct thread_data *td)
740{
741 unsigned int max_bs;
742
743 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
744 return max(td->o.max_bs[DDIR_TRIM], max_bs);
745}
746
747static inline unsigned int td_min_bs(struct thread_data *td)
748{
749 unsigned int min_bs;
750
751 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
752 return min(td->o.min_bs[DDIR_TRIM], min_bs);
753}
754
755static inline bool td_async_processing(struct thread_data *td)
756{
757 return (td->flags & TD_F_NEED_LOCK) != 0;
758}
759
760/*
761 * We currently only need to do locking if we have verifier threads
762 * accessing our internal structures too
763 */
764static inline void td_io_u_lock(struct thread_data *td)
765{
766 if (td_async_processing(td))
767 pthread_mutex_lock(&td->io_u_lock);
768}
769
770static inline void td_io_u_unlock(struct thread_data *td)
771{
772 if (td_async_processing(td))
773 pthread_mutex_unlock(&td->io_u_lock);
774}
775
776static inline void td_io_u_free_notify(struct thread_data *td)
777{
778 if (td_async_processing(td))
779 pthread_cond_signal(&td->free_cond);
780}
781
782static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
783 unsigned int value)
784{
785 if (!td_async_processing(td))
786 *flags &= ~value;
787 else
788 __sync_fetch_and_and(flags, ~value);
789}
790
791static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
792 unsigned int value)
793{
794 if (!td_async_processing(td))
795 *flags |= value;
796 else
797 __sync_fetch_and_or(flags, value);
798}
799
800extern const char *fio_get_arch_string(int);
801extern const char *fio_get_os_string(int);
802
803enum {
804 __FIO_OUTPUT_TERSE = 0,
805 __FIO_OUTPUT_JSON = 1,
806 __FIO_OUTPUT_NORMAL = 2,
807 __FIO_OUTPUT_JSON_PLUS = 3,
808 FIO_OUTPUT_NR = 4,
809
810 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
811 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
812 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
813 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
814};
815
816enum {
817 FIO_RAND_DIST_RANDOM = 0,
818 FIO_RAND_DIST_ZIPF,
819 FIO_RAND_DIST_PARETO,
820 FIO_RAND_DIST_GAUSS,
821 FIO_RAND_DIST_ZONED,
822 FIO_RAND_DIST_ZONED_ABS,
823};
824
825#define FIO_DEF_ZIPF 1.1
826#define FIO_DEF_PARETO 0.2
827
828enum {
829 FIO_RAND_GEN_TAUSWORTHE = 0,
830 FIO_RAND_GEN_LFSR,
831 FIO_RAND_GEN_TAUSWORTHE64,
832};
833
834enum {
835 FIO_CPUS_SHARED = 0,
836 FIO_CPUS_SPLIT,
837};
838
839extern void exec_trigger(const char *);
840extern void check_trigger_file(void);
841
842#endif
fio - Flexible IO Tester