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os: define EDQUOT to EIO if the OS doesn't provide it
[fio.git] / fio.h
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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 "log.h"
24#include "debug.h"
25#include "file.h"
26#include "io_ddir.h"
27#include "ioengines.h"
28#include "iolog.h"
29#include "helpers.h"
30#include "minmax.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 "lib/memalign.h"
40#include "smalloc.h"
41#include "client.h"
42#include "server.h"
43#include "stat.h"
44#include "flow.h"
45#include "io_u.h"
46#include "io_u_queue.h"
47#include "workqueue.h"
48#include "steadystate.h"
49#include "lib/nowarn_snprintf.h"
50
51#ifdef CONFIG_SOLARISAIO
52#include <sys/asynch.h>
53#endif
54
55#ifdef CONFIG_LIBNUMA
56#include <linux/mempolicy.h>
57#include <numa.h>
58
59/*
60 * "local" is pseudo-policy
61 */
62#ifndef MPOL_LOCAL
63#define MPOL_LOCAL 4
64#endif
65#endif
66
67#ifdef CONFIG_CUDA
68#include <cuda.h>
69#endif
70
71struct fio_sem;
72
73/*
74 * offset generator types
75 */
76enum {
77 RW_SEQ_SEQ = 0,
78 RW_SEQ_IDENT,
79};
80
81enum {
82 __TD_F_VER_BACKLOG = 0,
83 __TD_F_TRIM_BACKLOG,
84 __TD_F_READ_IOLOG,
85 __TD_F_REFILL_BUFFERS,
86 __TD_F_SCRAMBLE_BUFFERS,
87 __TD_F_DO_VERIFY,
88 __TD_F_PROFILE_OPS,
89 __TD_F_COMPRESS,
90 __TD_F_COMPRESS_LOG,
91 __TD_F_VSTATE_SAVED,
92 __TD_F_NEED_LOCK,
93 __TD_F_CHILD,
94 __TD_F_NO_PROGRESS,
95 __TD_F_REGROW_LOGS,
96 __TD_F_MMAP_KEEP,
97 __TD_F_DIRS_CREATED,
98 __TD_F_CHECK_RATE,
99 __TD_F_LAST, /* not a real bit, keep last */
100};
101
102enum {
103 TD_F_VER_BACKLOG = 1U << __TD_F_VER_BACKLOG,
104 TD_F_TRIM_BACKLOG = 1U << __TD_F_TRIM_BACKLOG,
105 TD_F_READ_IOLOG = 1U << __TD_F_READ_IOLOG,
106 TD_F_REFILL_BUFFERS = 1U << __TD_F_REFILL_BUFFERS,
107 TD_F_SCRAMBLE_BUFFERS = 1U << __TD_F_SCRAMBLE_BUFFERS,
108 TD_F_DO_VERIFY = 1U << __TD_F_DO_VERIFY,
109 TD_F_PROFILE_OPS = 1U << __TD_F_PROFILE_OPS,
110 TD_F_COMPRESS = 1U << __TD_F_COMPRESS,
111 TD_F_COMPRESS_LOG = 1U << __TD_F_COMPRESS_LOG,
112 TD_F_VSTATE_SAVED = 1U << __TD_F_VSTATE_SAVED,
113 TD_F_NEED_LOCK = 1U << __TD_F_NEED_LOCK,
114 TD_F_CHILD = 1U << __TD_F_CHILD,
115 TD_F_NO_PROGRESS = 1U << __TD_F_NO_PROGRESS,
116 TD_F_REGROW_LOGS = 1U << __TD_F_REGROW_LOGS,
117 TD_F_MMAP_KEEP = 1U << __TD_F_MMAP_KEEP,
118 TD_F_DIRS_CREATED = 1U << __TD_F_DIRS_CREATED,
119 TD_F_CHECK_RATE = 1U << __TD_F_CHECK_RATE,
120};
121
122enum {
123 FIO_RAND_BS_OFF = 0,
124 FIO_RAND_BS1_OFF,
125 FIO_RAND_BS2_OFF,
126 FIO_RAND_VER_OFF,
127 FIO_RAND_MIX_OFF,
128 FIO_RAND_FILE_OFF,
129 FIO_RAND_BLOCK_OFF,
130 FIO_RAND_FILE_SIZE_OFF,
131 FIO_RAND_TRIM_OFF,
132 FIO_RAND_BUF_OFF,
133 FIO_RAND_SEQ_RAND_READ_OFF,
134 FIO_RAND_SEQ_RAND_WRITE_OFF,
135 FIO_RAND_SEQ_RAND_TRIM_OFF,
136 FIO_RAND_START_DELAY,
137 FIO_DEDUPE_OFF,
138 FIO_RAND_POISSON_OFF,
139 FIO_RAND_ZONE_OFF,
140 FIO_RAND_POISSON2_OFF,
141 FIO_RAND_POISSON3_OFF,
142 FIO_RAND_PRIO_CMDS,
143 FIO_RAND_NR_OFFS,
144};
145
146enum {
147 IO_MODE_INLINE = 0,
148 IO_MODE_OFFLOAD = 1,
149
150 RATE_PROCESS_LINEAR = 0,
151 RATE_PROCESS_POISSON = 1,
152
153 THINKTIME_BLOCKS_TYPE_COMPLETE = 0,
154 THINKTIME_BLOCKS_TYPE_ISSUE = 1,
155};
156
157enum {
158 F_ADV_NONE = 0,
159 F_ADV_TYPE,
160 F_ADV_RANDOM,
161 F_ADV_SEQUENTIAL,
162};
163
164/*
165 * Per-thread/process specific data. Only used for the network client
166 * for now.
167 */
168void sk_out_assign(struct sk_out *);
169void sk_out_drop(void);
170
171struct zone_split_index {
172 uint8_t size_perc;
173 uint8_t size_perc_prev;
174 uint64_t size;
175 uint64_t size_prev;
176};
177
178/*
179 * This describes a single thread/process executing a fio job.
180 */
181struct thread_data {
182 struct flist_head opt_list;
183 unsigned long flags;
184 struct thread_options o;
185 void *eo;
186 pthread_t thread;
187 unsigned int thread_number;
188 unsigned int subjob_number;
189 unsigned int groupid;
190 struct thread_stat ts __attribute__ ((aligned(8)));
191
192 int client_type;
193
194 struct io_log *slat_log;
195 struct io_log *clat_log;
196 struct io_log *clat_hist_log;
197 struct io_log *lat_log;
198 struct io_log *bw_log;
199 struct io_log *iops_log;
200
201 struct workqueue log_compress_wq;
202
203 struct thread_data *parent;
204
205 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
206 struct timespec bw_sample_time;
207
208 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
209 struct timespec iops_sample_time;
210
211 volatile int update_rusage;
212 struct fio_sem *rusage_sem;
213 struct rusage ru_start;
214 struct rusage ru_end;
215
216 struct fio_file **files;
217 unsigned char *file_locks;
218 unsigned int files_size;
219 unsigned int files_index;
220 unsigned int nr_open_files;
221 unsigned int nr_done_files;
222 union {
223 unsigned int next_file;
224 struct frand_state next_file_state;
225 };
226 union {
227 struct zipf_state next_file_zipf;
228 struct gauss_state next_file_gauss;
229 };
230 union {
231 double zipf_theta;
232 double pareto_h;
233 double gauss_dev;
234 };
235 double random_center;
236 int error;
237 int sig;
238 int done;
239 int stop_io;
240 pid_t pid;
241 char *orig_buffer;
242 size_t orig_buffer_size;
243 volatile int runstate;
244 volatile bool terminate;
245 bool last_was_sync;
246 enum fio_ddir last_ddir;
247
248 int mmapfd;
249
250 void *iolog_buf;
251 FILE *iolog_f;
252
253 uint64_t rand_seeds[FIO_RAND_NR_OFFS];
254
255 struct frand_state bsrange_state[DDIR_RWDIR_CNT];
256 struct frand_state verify_state;
257 struct frand_state trim_state;
258 struct frand_state delay_state;
259
260 struct frand_state buf_state;
261 struct frand_state buf_state_prev;
262 struct frand_state dedupe_state;
263 struct frand_state zone_state;
264 struct frand_state prio_state;
265
266 struct zone_split_index **zone_state_index;
267 unsigned int num_open_zones;
268
269 unsigned int verify_batch;
270 unsigned int trim_batch;
271
272 struct thread_io_list *vstate;
273
274 int shm_id;
275
276 /*
277 * IO engine hooks, contains everything needed to submit an io_u
278 * to any of the available IO engines.
279 */
280 struct ioengine_ops *io_ops;
281 int io_ops_init;
282
283 /*
284 * IO engine private data and dlhandle.
285 */
286 void *io_ops_data;
287
288 /*
289 * Queue depth of io_u's that fio MIGHT do
290 */
291 unsigned int cur_depth;
292
293 /*
294 * io_u's about to be committed
295 */
296 unsigned int io_u_queued;
297
298 /*
299 * io_u's submitted but not completed yet
300 */
301 unsigned int io_u_in_flight;
302
303 /*
304 * List of free and busy io_u's
305 */
306 struct io_u_ring io_u_requeues;
307 struct io_u_queue io_u_freelist;
308 struct io_u_queue io_u_all;
309 pthread_mutex_t io_u_lock;
310 pthread_cond_t free_cond;
311
312 /*
313 * async verify offload
314 */
315 struct flist_head verify_list;
316 pthread_t *verify_threads;
317 unsigned int nr_verify_threads;
318 pthread_cond_t verify_cond;
319 int verify_thread_exit;
320
321 /*
322 * Rate state
323 */
324 uint64_t rate_bps[DDIR_RWDIR_CNT];
325 uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
326 unsigned long long rate_bytes[DDIR_RWDIR_CNT];
327 unsigned long rate_blocks[DDIR_RWDIR_CNT];
328 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
329 struct timespec lastrate[DDIR_RWDIR_CNT];
330 int64_t last_usec[DDIR_RWDIR_CNT];
331 struct frand_state poisson_state[DDIR_RWDIR_CNT];
332
333 /*
334 * Enforced rate submission/completion workqueue
335 */
336 struct workqueue io_wq;
337
338 uint64_t total_io_size;
339 uint64_t fill_device_size;
340
341 /*
342 * Issue side
343 */
344 uint64_t io_issues[DDIR_RWDIR_CNT];
345 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
346 uint64_t loops;
347
348 /*
349 * Completions
350 */
351 uint64_t io_blocks[DDIR_RWDIR_CNT];
352 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
353 uint64_t io_bytes[DDIR_RWDIR_CNT];
354 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
355 uint64_t io_skip_bytes;
356 uint64_t zone_bytes;
357 struct fio_sem *sem;
358 uint64_t bytes_done[DDIR_RWDIR_CNT];
359
360 uint64_t *thinktime_blocks_counter;
361
362 /*
363 * State for random io, a bitmap of blocks done vs not done
364 */
365 struct frand_state random_state;
366
367 struct timespec start; /* start of this loop */
368 struct timespec epoch; /* time job was started */
369 unsigned long long unix_epoch; /* Time job was started, unix epoch based. */
370 struct timespec last_issue;
371 long time_offset;
372 struct timespec ts_cache;
373 struct timespec terminate_time;
374 unsigned int ts_cache_nr;
375 unsigned int ts_cache_mask;
376 bool ramp_time_over;
377
378 /*
379 * Time since last latency_window was started
380 */
381 struct timespec latency_ts;
382 unsigned int latency_qd;
383 unsigned int latency_qd_high;
384 unsigned int latency_qd_low;
385 unsigned int latency_failed;
386 unsigned int latency_stable_count;
387 uint64_t latency_ios;
388 int latency_end_run;
389
390 /*
391 * read/write mixed workload state
392 */
393 struct frand_state rwmix_state;
394 unsigned long rwmix_issues;
395 enum fio_ddir rwmix_ddir;
396 unsigned int ddir_seq_nr;
397
398 /*
399 * rand/seq mixed workload state
400 */
401 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
402
403 /*
404 * IO history logs for verification. We use a tree for sorting,
405 * if we are overwriting. Otherwise just use a fifo.
406 */
407 struct rb_root io_hist_tree;
408 struct flist_head io_hist_list;
409 unsigned long io_hist_len;
410
411 /*
412 * For IO replaying
413 */
414 struct flist_head io_log_list;
415 FILE *io_log_rfile;
416 unsigned int io_log_current;
417 unsigned int io_log_checkmark;
418 unsigned int io_log_highmark;
419 struct timespec io_log_highmark_time;
420
421 /*
422 * For tracking/handling discards
423 */
424 struct flist_head trim_list;
425 unsigned long trim_entries;
426
427 /*
428 * for fileservice, how often to switch to a new file
429 */
430 unsigned int file_service_nr;
431 unsigned int file_service_left;
432 struct fio_file *file_service_file;
433
434 unsigned int sync_file_range_nr;
435
436 /*
437 * For generating file sizes
438 */
439 struct frand_state file_size_state;
440
441 /*
442 * Error counts
443 */
444 unsigned int total_err_count;
445 int first_error;
446
447 struct fio_flow *flow;
448 unsigned long long flow_counter;
449
450 /*
451 * Can be overloaded by profiles
452 */
453 struct prof_io_ops prof_io_ops;
454 void *prof_data;
455
456 void *pinned_mem;
457
458 struct steadystate_data ss;
459
460 char verror[FIO_VERROR_SIZE];
461
462#ifdef CONFIG_CUDA
463 /*
464 * for GPU memory management
465 */
466 int gpu_dev_cnt;
467 int gpu_dev_id;
468 CUdevice cu_dev;
469 CUcontext cu_ctx;
470 CUdeviceptr dev_mem_ptr;
471#endif
472
473};
474
475struct thread_segment {
476 struct thread_data *threads;
477 int shm_id;
478 int nr_threads;
479};
480
481/*
482 * when should interactive ETA output be generated
483 */
484enum {
485 FIO_ETA_AUTO,
486 FIO_ETA_ALWAYS,
487 FIO_ETA_NEVER,
488};
489
490#define __td_verror(td, err, msg, func) \
491 do { \
492 unsigned int ____e = (err); \
493 if ((td)->error) \
494 break; \
495 (td)->error = ____e; \
496 if (!(td)->first_error) \
497 nowarn_snprintf(td->verror, sizeof(td->verror), \
498 "file:%s:%d, func=%s, error=%s", \
499 __FILE__, __LINE__, (func), (msg)); \
500 } while (0)
501
502
503#define td_clear_error(td) do { \
504 (td)->error = 0; \
505 if ((td)->parent) \
506 (td)->parent->error = 0; \
507} while (0)
508
509#define td_verror(td, err, func) do { \
510 __td_verror((td), (err), strerror((err)), (func)); \
511 if ((td)->parent) \
512 __td_verror((td)->parent, (err), strerror((err)), (func)); \
513} while (0)
514
515#define td_vmsg(td, err, msg, func) do { \
516 __td_verror((td), (err), (msg), (func)); \
517 if ((td)->parent) \
518 __td_verror((td)->parent, (err), (msg), (func)); \
519} while (0)
520
521#define __fio_stringify_1(x) #x
522#define __fio_stringify(x) __fio_stringify_1(x)
523
524#define REAL_MAX_JOBS 4096
525#define JOBS_PER_SEG 8
526#define REAL_MAX_SEG (REAL_MAX_JOBS / JOBS_PER_SEG)
527
528extern bool exitall_on_terminate;
529extern unsigned int thread_number;
530extern unsigned int stat_number;
531extern unsigned int nr_segments;
532extern unsigned int cur_segment;
533extern int groupid;
534extern int output_format;
535extern int append_terse_output;
536extern int temp_stall_ts;
537extern uintptr_t page_mask, page_size;
538extern bool read_only;
539extern int eta_print;
540extern int eta_new_line;
541extern unsigned int eta_interval_msec;
542extern unsigned long done_secs;
543extern int fio_gtod_offload;
544extern int fio_gtod_cpu;
545extern enum fio_cs fio_clock_source;
546extern int fio_clock_source_set;
547extern int warnings_fatal;
548extern int terse_version;
549extern bool is_backend;
550extern bool is_local_backend;
551extern int nr_clients;
552extern bool log_syslog;
553extern int status_interval;
554extern const char fio_version_string[];
555extern char *trigger_file;
556extern char *trigger_cmd;
557extern char *trigger_remote_cmd;
558extern long long trigger_timeout;
559extern char *aux_path;
560
561extern struct thread_segment segments[REAL_MAX_SEG];
562
563static inline struct thread_data *tnumber_to_td(unsigned int tnumber)
564{
565 struct thread_segment *seg;
566
567 seg = &segments[tnumber / JOBS_PER_SEG];
568 return &seg->threads[tnumber & (JOBS_PER_SEG - 1)];
569}
570
571static inline bool is_running_backend(void)
572{
573 return is_backend || is_local_backend;
574}
575
576extern bool eta_time_within_slack(unsigned int time);
577
578static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
579{
580 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)) &&
581 !(io_u->ddir == DDIR_TRIM && !td_trim(td)));
582}
583
584static inline bool should_fsync(struct thread_data *td)
585{
586 if (td->last_was_sync)
587 return false;
588 if (td_write(td) || td->o.override_sync)
589 return true;
590
591 return false;
592}
593
594/*
595 * Init/option functions
596 */
597extern int __must_check fio_init_options(void);
598extern int __must_check parse_options(int, char **);
599extern int parse_jobs_ini(char *, int, int, int);
600extern int parse_cmd_line(int, char **, int);
601extern int fio_backend(struct sk_out *);
602extern void reset_fio_state(void);
603extern void clear_io_state(struct thread_data *, int);
604extern int fio_options_parse(struct thread_data *, char **, int);
605extern void fio_keywords_init(void);
606extern void fio_keywords_exit(void);
607extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
608extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
609extern void fio_fill_default_options(struct thread_data *);
610extern int fio_show_option_help(const char *);
611extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
612extern void fio_options_dup_and_init(struct option *);
613extern char *fio_option_dup_subs(const char *);
614extern void fio_options_mem_dupe(struct thread_data *);
615extern void td_fill_rand_seeds(struct thread_data *);
616extern void td_fill_verify_state_seed(struct thread_data *);
617extern void add_job_opts(const char **, int);
618extern int ioengine_load(struct thread_data *);
619extern bool parse_dryrun(void);
620extern int fio_running_or_pending_io_threads(void);
621extern int fio_set_fd_nonblocking(int, const char *);
622extern void sig_show_status(int sig);
623extern struct thread_data *get_global_options(void);
624
625extern uintptr_t page_mask;
626extern uintptr_t page_size;
627extern int initialize_fio(char *envp[]);
628extern void deinitialize_fio(void);
629
630#define FIO_GETOPT_JOB 0x89000000
631#define FIO_GETOPT_IOENGINE 0x98000000
632#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
633
634/*
635 * ETA/status stuff
636 */
637extern void print_thread_status(void);
638extern void print_status_init(int);
639extern char *fio_uint_to_kmg(unsigned int val);
640
641/*
642 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
643 * will never back again. It may cycle between running/verififying/fsyncing.
644 * Once the thread reaches TD_EXITED, it is just waiting for the core to
645 * reap it.
646 */
647enum {
648 TD_NOT_CREATED = 0,
649 TD_CREATED,
650 TD_INITIALIZED,
651 TD_RAMP,
652 TD_SETTING_UP,
653 TD_RUNNING,
654 TD_PRE_READING,
655 TD_VERIFYING,
656 TD_FSYNCING,
657 TD_FINISHING,
658 TD_EXITED,
659 TD_REAPED,
660 TD_LAST,
661 TD_NR,
662};
663
664#define TD_ENG_FLAG_SHIFT 17
665#define TD_ENG_FLAG_MASK ((1U << 17) - 1)
666
667static inline void td_set_ioengine_flags(struct thread_data *td)
668{
669 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
670 (td->io_ops->flags << TD_ENG_FLAG_SHIFT);
671}
672
673static inline bool td_ioengine_flagged(struct thread_data *td,
674 enum fio_ioengine_flags flags)
675{
676 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
677}
678
679extern void td_set_runstate(struct thread_data *, int);
680extern int td_bump_runstate(struct thread_data *, int);
681extern void td_restore_runstate(struct thread_data *, int);
682extern const char *runstate_to_name(int runstate);
683
684/*
685 * Allow 60 seconds for a job to quit on its own, otherwise reap with
686 * a vengeance.
687 */
688#define FIO_REAP_TIMEOUT 300
689
690enum {
691 TERMINATE_NONE = 0,
692 TERMINATE_GROUP = 1,
693 TERMINATE_STONEWALL = 2,
694 TERMINATE_ALL = -1,
695};
696
697extern void fio_terminate_threads(unsigned int, unsigned int);
698extern void fio_mark_td_terminate(struct thread_data *);
699
700/*
701 * Memory helpers
702 */
703extern int __must_check fio_pin_memory(struct thread_data *);
704extern void fio_unpin_memory(struct thread_data *);
705extern int __must_check allocate_io_mem(struct thread_data *);
706extern void free_io_mem(struct thread_data *);
707extern void free_threads_shm(void);
708
709#ifdef FIO_INTERNAL
710#define PTR_ALIGN(ptr, mask) \
711 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
712#endif
713
714/*
715 * Reset stats after ramp time completes
716 */
717extern void reset_all_stats(struct thread_data *);
718
719extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
720 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
721 struct timespec *comp_time);
722
723/*
724 * Latency target helpers
725 */
726extern void lat_target_check(struct thread_data *);
727extern void lat_target_init(struct thread_data *);
728extern void lat_target_reset(struct thread_data *);
729
730/*
731 * Iterates all threads/processes within all the defined jobs
732 */
733#define for_each_td(td, i) \
734 for ((i) = 0, (td) = &segments[0].threads[0]; (i) < (int) thread_number; (i)++, (td) = tnumber_to_td((i)))
735#define for_each_file(td, f, i) \
736 if ((td)->files_index) \
737 for ((i) = 0, (f) = (td)->files[0]; \
738 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
739 (i)++)
740
741static inline bool fio_fill_issue_time(struct thread_data *td)
742{
743 if (td->o.read_iolog_file ||
744 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
745 return true;
746
747 return false;
748}
749
750static inline bool option_check_rate(struct thread_data *td, enum fio_ddir ddir)
751{
752 struct thread_options *o = &td->o;
753
754 /*
755 * If some rate setting was given, we need to check it
756 */
757 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
758 o->rate_iops_min[ddir])
759 return true;
760
761 return false;
762}
763
764static inline bool should_check_rate(struct thread_data *td)
765{
766 return (td->flags & TD_F_CHECK_RATE) != 0;
767}
768
769static inline unsigned long long td_max_bs(struct thread_data *td)
770{
771 unsigned long long max_bs;
772
773 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
774 return max(td->o.max_bs[DDIR_TRIM], max_bs);
775}
776
777static inline unsigned long long td_min_bs(struct thread_data *td)
778{
779 unsigned long long min_bs;
780
781 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
782 return min(td->o.min_bs[DDIR_TRIM], min_bs);
783}
784
785static inline bool td_async_processing(struct thread_data *td)
786{
787 return (td->flags & TD_F_NEED_LOCK) != 0;
788}
789
790static inline bool td_offload_overlap(struct thread_data *td)
791{
792 return td->o.serialize_overlap && td->o.io_submit_mode == IO_MODE_OFFLOAD;
793}
794
795/*
796 * We currently only need to do locking if we have verifier threads
797 * accessing our internal structures too
798 */
799static inline void __td_io_u_lock(struct thread_data *td)
800{
801 pthread_mutex_lock(&td->io_u_lock);
802}
803
804static inline void __td_io_u_unlock(struct thread_data *td)
805{
806 pthread_mutex_unlock(&td->io_u_lock);
807}
808
809static inline void td_io_u_free_notify(struct thread_data *td)
810{
811 if (td_async_processing(td))
812 pthread_cond_signal(&td->free_cond);
813}
814
815static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
816 unsigned int value)
817{
818 if (!td_async_processing(td))
819 *flags &= ~value;
820 else
821 __sync_fetch_and_and(flags, ~value);
822}
823
824static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
825 unsigned int value)
826{
827 if (!td_async_processing(td))
828 *flags |= value;
829 else
830 __sync_fetch_and_or(flags, value);
831}
832
833extern const char *fio_get_arch_string(int);
834extern const char *fio_get_os_string(int);
835
836enum {
837 __FIO_OUTPUT_TERSE = 0,
838 __FIO_OUTPUT_JSON = 1,
839 __FIO_OUTPUT_NORMAL = 2,
840 __FIO_OUTPUT_JSON_PLUS = 3,
841 FIO_OUTPUT_NR = 4,
842
843 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
844 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
845 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
846 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
847};
848
849enum {
850 FIO_RAND_DIST_RANDOM = 0,
851 FIO_RAND_DIST_ZIPF,
852 FIO_RAND_DIST_PARETO,
853 FIO_RAND_DIST_GAUSS,
854 FIO_RAND_DIST_ZONED,
855 FIO_RAND_DIST_ZONED_ABS,
856};
857
858#define FIO_DEF_ZIPF 1.1
859#define FIO_DEF_PARETO 0.2
860
861enum {
862 FIO_RAND_GEN_TAUSWORTHE = 0,
863 FIO_RAND_GEN_LFSR,
864 FIO_RAND_GEN_TAUSWORTHE64,
865};
866
867enum {
868 FIO_CPUS_SHARED = 0,
869 FIO_CPUS_SPLIT,
870};
871
872extern void exec_trigger(const char *);
873extern void check_trigger_file(void);
874
875extern bool in_flight_overlap(struct io_u_queue *q, struct io_u *io_u);
876extern pthread_mutex_t overlap_check;
877
878static inline void *fio_memalign(size_t alignment, size_t size, bool shared)
879{
880 return __fio_memalign(alignment, size, shared ? smalloc : malloc);
881}
882
883static inline void fio_memfree(void *ptr, size_t size, bool shared)
884{
885 return __fio_memfree(ptr, size, shared ? sfree : free);
886}
887
888#endif
fio - Flexible IO Tester