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