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engines:io_uring: generate and verify pi for 16b guard
[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#include "dedupe.h"
51
52#ifdef CONFIG_SOLARISAIO
53#include <sys/asynch.h>
54#endif
55
56#ifdef CONFIG_LIBNUMA
57#include <linux/mempolicy.h>
58#include <numa.h>
59
60/*
61 * "local" is pseudo-policy
62 */
63#ifndef MPOL_LOCAL
64#define MPOL_LOCAL 4
65#endif
66#endif
67
68#ifdef CONFIG_CUDA
69#include <cuda.h>
70#endif
71
72struct fio_sem;
73
74/*
75 * offset generator types
76 */
77enum {
78 RW_SEQ_SEQ = 0,
79 RW_SEQ_IDENT,
80};
81
82enum {
83 __TD_F_VER_BACKLOG = 0,
84 __TD_F_TRIM_BACKLOG,
85 __TD_F_READ_IOLOG,
86 __TD_F_REFILL_BUFFERS,
87 __TD_F_SCRAMBLE_BUFFERS,
88 __TD_F_DO_VERIFY,
89 __TD_F_PROFILE_OPS,
90 __TD_F_COMPRESS,
91 __TD_F_COMPRESS_LOG,
92 __TD_F_VSTATE_SAVED,
93 __TD_F_NEED_LOCK,
94 __TD_F_CHILD,
95 __TD_F_NO_PROGRESS,
96 __TD_F_REGROW_LOGS,
97 __TD_F_MMAP_KEEP,
98 __TD_F_DIRS_CREATED,
99 __TD_F_CHECK_RATE,
100 __TD_F_SYNCS,
101 __TD_F_LAST, /* not a real bit, keep last */
102};
103
104enum {
105 TD_F_VER_BACKLOG = 1U << __TD_F_VER_BACKLOG,
106 TD_F_TRIM_BACKLOG = 1U << __TD_F_TRIM_BACKLOG,
107 TD_F_READ_IOLOG = 1U << __TD_F_READ_IOLOG,
108 TD_F_REFILL_BUFFERS = 1U << __TD_F_REFILL_BUFFERS,
109 TD_F_SCRAMBLE_BUFFERS = 1U << __TD_F_SCRAMBLE_BUFFERS,
110 TD_F_DO_VERIFY = 1U << __TD_F_DO_VERIFY,
111 TD_F_PROFILE_OPS = 1U << __TD_F_PROFILE_OPS,
112 TD_F_COMPRESS = 1U << __TD_F_COMPRESS,
113 TD_F_COMPRESS_LOG = 1U << __TD_F_COMPRESS_LOG,
114 TD_F_VSTATE_SAVED = 1U << __TD_F_VSTATE_SAVED,
115 TD_F_NEED_LOCK = 1U << __TD_F_NEED_LOCK,
116 TD_F_CHILD = 1U << __TD_F_CHILD,
117 TD_F_NO_PROGRESS = 1U << __TD_F_NO_PROGRESS,
118 TD_F_REGROW_LOGS = 1U << __TD_F_REGROW_LOGS,
119 TD_F_MMAP_KEEP = 1U << __TD_F_MMAP_KEEP,
120 TD_F_DIRS_CREATED = 1U << __TD_F_DIRS_CREATED,
121 TD_F_CHECK_RATE = 1U << __TD_F_CHECK_RATE,
122 TD_F_SYNCS = 1U << __TD_F_SYNCS,
123};
124
125enum {
126 FIO_RAND_BS_OFF = 0,
127 FIO_RAND_BS1_OFF,
128 FIO_RAND_BS2_OFF,
129 FIO_RAND_VER_OFF,
130 FIO_RAND_MIX_OFF,
131 FIO_RAND_FILE_OFF,
132 FIO_RAND_BLOCK_OFF,
133 FIO_RAND_FILE_SIZE_OFF,
134 FIO_RAND_TRIM_OFF,
135 FIO_RAND_BUF_OFF,
136 FIO_RAND_SEQ_RAND_READ_OFF,
137 FIO_RAND_SEQ_RAND_WRITE_OFF,
138 FIO_RAND_SEQ_RAND_TRIM_OFF,
139 FIO_RAND_START_DELAY,
140 FIO_DEDUPE_OFF,
141 FIO_RAND_POISSON_OFF,
142 FIO_RAND_ZONE_OFF,
143 FIO_RAND_POISSON2_OFF,
144 FIO_RAND_POISSON3_OFF,
145 FIO_RAND_PRIO_CMDS,
146 FIO_RAND_DEDUPE_WORKING_SET_IX,
147 FIO_RAND_FDP_OFF,
148 FIO_RAND_NR_OFFS,
149};
150
151enum {
152 IO_MODE_INLINE = 0,
153 IO_MODE_OFFLOAD = 1,
154
155 RATE_PROCESS_LINEAR = 0,
156 RATE_PROCESS_POISSON = 1,
157
158 THINKTIME_BLOCKS_TYPE_COMPLETE = 0,
159 THINKTIME_BLOCKS_TYPE_ISSUE = 1,
160};
161
162enum {
163 F_ADV_NONE = 0,
164 F_ADV_TYPE,
165 F_ADV_RANDOM,
166 F_ADV_SEQUENTIAL,
167 F_ADV_NOREUSE,
168};
169
170/*
171 * Per-thread/process specific data. Only used for the network client
172 * for now.
173 */
174void sk_out_assign(struct sk_out *);
175void sk_out_drop(void);
176
177struct zone_split_index {
178 uint8_t size_perc;
179 uint8_t size_perc_prev;
180 uint64_t size;
181 uint64_t size_prev;
182};
183
184/*
185 * This describes a single thread/process executing a fio job.
186 */
187struct thread_data {
188 struct flist_head opt_list;
189 unsigned long long flags;
190 struct thread_options o;
191 void *eo;
192 pthread_t thread;
193 unsigned int thread_number;
194 unsigned int subjob_number;
195 unsigned int groupid;
196 struct thread_stat ts __attribute__ ((aligned(8)));
197
198 int client_type;
199
200 struct io_log *slat_log;
201 struct io_log *clat_log;
202 struct io_log *clat_hist_log;
203 struct io_log *lat_log;
204 struct io_log *bw_log;
205 struct io_log *iops_log;
206
207 struct workqueue log_compress_wq;
208
209 struct thread_data *parent;
210
211 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
212 struct timespec bw_sample_time;
213
214 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
215 struct timespec iops_sample_time;
216
217 volatile int update_rusage;
218 struct fio_sem *rusage_sem;
219 struct rusage ru_start;
220 struct rusage ru_end;
221
222 struct fio_file **files;
223 unsigned char *file_locks;
224 unsigned int files_size;
225 unsigned int files_index;
226 unsigned int nr_open_files;
227 unsigned int nr_done_files;
228 union {
229 unsigned int next_file;
230 struct frand_state next_file_state;
231 };
232 union {
233 struct zipf_state next_file_zipf;
234 struct gauss_state next_file_gauss;
235 };
236 union {
237 double zipf_theta;
238 double pareto_h;
239 double gauss_dev;
240 };
241 double random_center;
242 int error;
243 int sig;
244 int done;
245 int stop_io;
246 pid_t pid;
247 char *orig_buffer;
248 size_t orig_buffer_size;
249 volatile int runstate;
250 volatile bool terminate;
251 bool last_was_sync;
252 enum fio_ddir last_ddir;
253
254 int mmapfd;
255
256 void *iolog_buf;
257 FILE *iolog_f;
258
259 uint64_t rand_seeds[FIO_RAND_NR_OFFS];
260
261 struct frand_state bsrange_state[DDIR_RWDIR_CNT];
262 struct frand_state verify_state;
263 struct frand_state verify_state_last_do_io;
264 struct frand_state trim_state;
265 struct frand_state delay_state;
266 struct frand_state fdp_state;
267
268 struct frand_state buf_state;
269 struct frand_state buf_state_prev;
270 struct frand_state buf_state_ret;
271 struct frand_state dedupe_state;
272 struct frand_state zone_state;
273 struct frand_state prio_state;
274 struct frand_state dedupe_working_set_index_state;
275 struct frand_state *dedupe_working_set_states;
276
277 unsigned long long num_unique_pages;
278
279 struct zone_split_index **zone_state_index;
280 unsigned int num_write_zones;
281
282 unsigned int verify_batch;
283 unsigned int trim_batch;
284
285 struct thread_io_list *vstate;
286
287 int shm_id;
288
289 /*
290 * Job default IO priority set with prioclass and prio options.
291 */
292 unsigned int ioprio;
293
294 /*
295 * IO engine hooks, contains everything needed to submit an io_u
296 * to any of the available IO engines.
297 */
298 struct ioengine_ops *io_ops;
299 int io_ops_init;
300
301 /*
302 * IO engine private data and dlhandle.
303 */
304 void *io_ops_data;
305
306 /*
307 * Queue depth of io_u's that fio MIGHT do
308 */
309 unsigned int cur_depth;
310
311 /*
312 * io_u's about to be committed
313 */
314 unsigned int io_u_queued;
315
316 /*
317 * io_u's submitted but not completed yet
318 */
319 unsigned int io_u_in_flight;
320
321 /*
322 * List of free and busy io_u's
323 */
324 struct io_u_ring io_u_requeues;
325 struct io_u_queue io_u_freelist;
326 struct io_u_queue io_u_all;
327 pthread_mutex_t io_u_lock;
328 pthread_cond_t free_cond;
329
330 /*
331 * async verify offload
332 */
333 struct flist_head verify_list;
334 pthread_t *verify_threads;
335 unsigned int nr_verify_threads;
336 pthread_cond_t verify_cond;
337 int verify_thread_exit;
338
339 /*
340 * Rate state
341 */
342 uint64_t rate_bps[DDIR_RWDIR_CNT];
343 uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
344 unsigned long long last_rate_check_bytes[DDIR_RWDIR_CNT];
345 unsigned long last_rate_check_blocks[DDIR_RWDIR_CNT];
346 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
347 struct timespec last_rate_check_time[DDIR_RWDIR_CNT];
348 int64_t last_usec[DDIR_RWDIR_CNT];
349 struct frand_state poisson_state[DDIR_RWDIR_CNT];
350
351 /*
352 * Enforced rate submission/completion workqueue
353 */
354 struct workqueue io_wq;
355
356 uint64_t total_io_size;
357 uint64_t fill_device_size;
358
359 /*
360 * Issue side
361 */
362 uint64_t io_issues[DDIR_RWDIR_CNT];
363 uint64_t verify_read_issues;
364 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
365 uint64_t loops;
366
367 /*
368 * Completions
369 */
370 uint64_t io_blocks[DDIR_RWDIR_CNT];
371 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
372 uint64_t io_bytes[DDIR_RWDIR_CNT];
373 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
374 uint64_t io_skip_bytes;
375 uint64_t zone_bytes;
376 struct fio_sem *sem;
377 uint64_t bytes_done[DDIR_RWDIR_CNT];
378 uint64_t bytes_verified;
379
380 uint64_t *thinktime_blocks_counter;
381 struct timespec last_thinktime;
382 int64_t last_thinktime_blocks;
383
384 /*
385 * State for random io, a bitmap of blocks done vs not done
386 */
387 struct frand_state random_state;
388
389 struct timespec start; /* start of this loop */
390 struct timespec epoch; /* time job was started */
391 unsigned long long alternate_epoch; /* Time job was started, clock_gettime's clock_id epoch based. */
392 struct timespec last_issue;
393 long time_offset;
394 struct timespec ts_cache;
395 struct timespec terminate_time;
396 unsigned int ts_cache_nr;
397 unsigned int ts_cache_mask;
398 bool ramp_time_over;
399
400 /*
401 * Time since last latency_window was started
402 */
403 struct timespec latency_ts;
404 unsigned int latency_qd;
405 unsigned int latency_qd_high;
406 unsigned int latency_qd_low;
407 unsigned int latency_failed;
408 unsigned int latency_stable_count;
409 uint64_t latency_ios;
410 int latency_end_run;
411
412 /*
413 * read/write mixed workload state
414 */
415 struct frand_state rwmix_state;
416 unsigned long rwmix_issues;
417 enum fio_ddir rwmix_ddir;
418 unsigned int ddir_seq_nr;
419
420 /*
421 * rand/seq mixed workload state
422 */
423 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
424
425 /*
426 * IO history logs for verification. We use a tree for sorting,
427 * if we are overwriting. Otherwise just use a fifo.
428 */
429 struct rb_root io_hist_tree;
430 struct flist_head io_hist_list;
431 unsigned long io_hist_len;
432
433 /*
434 * For IO replaying
435 */
436 struct flist_head io_log_list;
437 FILE *io_log_rfile;
438 unsigned int io_log_blktrace;
439 unsigned int io_log_blktrace_swap;
440 unsigned long long io_log_last_ttime;
441 struct timespec io_log_start_time;
442 unsigned int io_log_current;
443 unsigned int io_log_checkmark;
444 unsigned int io_log_highmark;
445 unsigned int io_log_version;
446 struct timespec io_log_highmark_time;
447
448 /*
449 * For tracking/handling discards
450 */
451 struct flist_head trim_list;
452 unsigned long trim_entries;
453
454 /*
455 * for fileservice, how often to switch to a new file
456 */
457 unsigned int file_service_nr;
458 unsigned int file_service_left;
459 struct fio_file *file_service_file;
460
461 unsigned int sync_file_range_nr;
462
463 /*
464 * For generating file sizes
465 */
466 struct frand_state file_size_state;
467
468 /*
469 * Error counts
470 */
471 unsigned int total_err_count;
472 int first_error;
473
474 struct fio_flow *flow;
475 unsigned long long flow_counter;
476
477 /*
478 * Can be overloaded by profiles
479 */
480 struct prof_io_ops prof_io_ops;
481 void *prof_data;
482
483 void *pinned_mem;
484
485 struct steadystate_data ss;
486
487 char verror[FIO_VERROR_SIZE];
488
489#ifdef CONFIG_CUDA
490 /*
491 * for GPU memory management
492 */
493 int gpu_dev_cnt;
494 int gpu_dev_id;
495 CUdevice cu_dev;
496 CUcontext cu_ctx;
497 CUdeviceptr dev_mem_ptr;
498#endif
499
500};
501
502struct thread_segment {
503 struct thread_data *threads;
504 int shm_id;
505 int nr_threads;
506};
507
508/*
509 * when should interactive ETA output be generated
510 */
511enum {
512 FIO_ETA_AUTO,
513 FIO_ETA_ALWAYS,
514 FIO_ETA_NEVER,
515};
516
517#define __td_verror(td, err, msg, func) \
518 do { \
519 unsigned int ____e = (err); \
520 if ((td)->error) \
521 break; \
522 (td)->error = ____e; \
523 if (!(td)->first_error) \
524 nowarn_snprintf(td->verror, sizeof(td->verror), \
525 "file:%s:%d, func=%s, error=%s", \
526 __FILE__, __LINE__, (func), (msg)); \
527 } while (0)
528
529
530#define td_clear_error(td) do { \
531 (td)->error = 0; \
532 if ((td)->parent) \
533 (td)->parent->error = 0; \
534} while (0)
535
536#define td_verror(td, err, func) do { \
537 __td_verror((td), (err), strerror((err)), (func)); \
538 if ((td)->parent) \
539 __td_verror((td)->parent, (err), strerror((err)), (func)); \
540} while (0)
541
542#define td_vmsg(td, err, msg, func) do { \
543 __td_verror((td), (err), (msg), (func)); \
544 if ((td)->parent) \
545 __td_verror((td)->parent, (err), (msg), (func)); \
546} while (0)
547
548#define __fio_stringify_1(x) #x
549#define __fio_stringify(x) __fio_stringify_1(x)
550
551#define REAL_MAX_JOBS 4096
552#define JOBS_PER_SEG 8
553#define REAL_MAX_SEG (REAL_MAX_JOBS / JOBS_PER_SEG)
554
555extern bool exitall_on_terminate;
556extern unsigned int thread_number;
557extern unsigned int stat_number;
558extern unsigned int nr_segments;
559extern unsigned int cur_segment;
560extern int groupid;
561extern int output_format;
562extern int append_terse_output;
563extern int temp_stall_ts;
564extern uintptr_t page_mask, page_size;
565extern bool read_only;
566extern int eta_print;
567extern int eta_new_line;
568extern unsigned int eta_interval_msec;
569extern unsigned long done_secs;
570extern int fio_gtod_offload;
571extern int fio_gtod_cpu;
572extern enum fio_cs fio_clock_source;
573extern int fio_clock_source_set;
574extern int warnings_fatal;
575extern int terse_version;
576extern bool is_backend;
577extern bool is_local_backend;
578extern int nr_clients;
579extern bool log_syslog;
580extern int status_interval;
581extern const char fio_version_string[];
582extern char *trigger_file;
583extern char *trigger_cmd;
584extern char *trigger_remote_cmd;
585extern long long trigger_timeout;
586extern char *aux_path;
587
588extern struct thread_segment segments[REAL_MAX_SEG];
589
590static inline struct thread_data *tnumber_to_td(unsigned int tnumber)
591{
592 struct thread_segment *seg;
593
594 seg = &segments[tnumber / JOBS_PER_SEG];
595 return &seg->threads[tnumber & (JOBS_PER_SEG - 1)];
596}
597
598static inline bool is_running_backend(void)
599{
600 return is_backend || is_local_backend;
601}
602
603extern bool eta_time_within_slack(unsigned int time);
604
605static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
606{
607 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)) &&
608 !(io_u->ddir == DDIR_TRIM && !td_trim(td)));
609}
610
611static inline bool should_fsync(struct thread_data *td)
612{
613 if (td->last_was_sync)
614 return false;
615 if (td_write(td) || td->o.override_sync)
616 return true;
617
618 return false;
619}
620
621/*
622 * Init/option functions
623 */
624extern int __must_check fio_init_options(void);
625extern int __must_check parse_options(int, char **);
626extern int parse_jobs_ini(char *, int, int, int);
627extern int parse_cmd_line(int, char **, int);
628extern int fio_backend(struct sk_out *);
629extern void reset_fio_state(void);
630extern void clear_io_state(struct thread_data *, int);
631extern int fio_options_parse(struct thread_data *, char **, int);
632extern void fio_keywords_init(void);
633extern void fio_keywords_exit(void);
634extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
635extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
636extern void fio_fill_default_options(struct thread_data *);
637extern int fio_show_option_help(const char *);
638extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
639extern void fio_options_dup_and_init(struct option *);
640extern char *fio_option_dup_subs(const char *);
641extern void fio_options_mem_dupe(struct thread_data *);
642extern void td_fill_rand_seeds(struct thread_data *);
643extern void add_job_opts(const char **, int);
644extern int ioengine_load(struct thread_data *);
645extern bool parse_dryrun(void);
646extern int fio_running_or_pending_io_threads(void);
647extern int fio_set_fd_nonblocking(int, const char *);
648extern void sig_show_status(int sig);
649extern struct thread_data *get_global_options(void);
650
651extern uintptr_t page_mask;
652extern uintptr_t page_size;
653extern int initialize_fio(char *envp[]);
654extern void deinitialize_fio(void);
655
656#define FIO_GETOPT_JOB 0x89000000
657#define FIO_GETOPT_IOENGINE 0x98000000
658#define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
659
660/*
661 * ETA/status stuff
662 */
663extern void print_thread_status(void);
664extern void print_status_init(int);
665extern char *fio_uint_to_kmg(unsigned int val);
666
667/*
668 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
669 * will never back again. It may cycle between running/verififying/fsyncing.
670 * Once the thread reaches TD_EXITED, it is just waiting for the core to
671 * reap it.
672 */
673enum {
674 TD_NOT_CREATED = 0,
675 TD_CREATED,
676 TD_INITIALIZED,
677 TD_RAMP,
678 TD_SETTING_UP,
679 TD_RUNNING,
680 TD_PRE_READING,
681 TD_VERIFYING,
682 TD_FSYNCING,
683 TD_FINISHING,
684 TD_EXITED,
685 TD_REAPED,
686 TD_LAST,
687 TD_NR,
688};
689
690#define TD_ENG_FLAG_SHIFT 18
691#define TD_ENG_FLAG_MASK ((1ULL << 18) - 1)
692
693static inline void td_set_ioengine_flags(struct thread_data *td)
694{
695 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
696 ((unsigned long long)td->io_ops->flags << TD_ENG_FLAG_SHIFT);
697}
698
699static inline bool td_ioengine_flagged(struct thread_data *td,
700 enum fio_ioengine_flags flags)
701{
702 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
703}
704
705extern void td_set_runstate(struct thread_data *, int);
706extern int td_bump_runstate(struct thread_data *, int);
707extern void td_restore_runstate(struct thread_data *, int);
708extern const char *runstate_to_name(int runstate);
709
710/*
711 * Allow 60 seconds for a job to quit on its own, otherwise reap with
712 * a vengeance.
713 */
714#define FIO_REAP_TIMEOUT 300
715
716enum {
717 TERMINATE_NONE = 0,
718 TERMINATE_GROUP = 1,
719 TERMINATE_STONEWALL = 2,
720 TERMINATE_ALL = -1,
721};
722
723extern void fio_terminate_threads(unsigned int, unsigned int);
724extern void fio_mark_td_terminate(struct thread_data *);
725
726/*
727 * Memory helpers
728 */
729extern int __must_check fio_pin_memory(struct thread_data *);
730extern void fio_unpin_memory(struct thread_data *);
731extern int __must_check allocate_io_mem(struct thread_data *);
732extern void free_io_mem(struct thread_data *);
733extern void free_threads_shm(void);
734
735#ifdef FIO_INTERNAL
736#define PTR_ALIGN(ptr, mask) \
737 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
738#endif
739
740/*
741 * Reset stats after ramp time completes
742 */
743extern void reset_all_stats(struct thread_data *);
744
745extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
746 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
747 struct timespec *comp_time);
748
749/*
750 * Latency target helpers
751 */
752extern void lat_target_check(struct thread_data *);
753extern void lat_target_init(struct thread_data *);
754extern void lat_target_reset(struct thread_data *);
755
756/*
757 * Iterates all threads/processes within all the defined jobs
758 * Usage:
759 * for_each_td(var_name_for_td) {
760 * << bodoy of your loop >>
761 * Note: internally-scoped loop index availble as __td_index
762 * } end_for_each_td()
763 */
764#define for_each_td(td) \
765{ \
766 int __td_index; \
767 struct thread_data *(td); \
768 for (__td_index = 0, (td) = &segments[0].threads[0];\
769 __td_index < (int) thread_number; __td_index++, (td) = tnumber_to_td(__td_index))
770#define for_each_td_index() \
771{ \
772 int __td_index; \
773 for (__td_index = 0; __td_index < (int) thread_number; __td_index++)
774#define end_for_each() }
775
776#define for_each_file(td, f, i) \
777 if ((td)->files_index) \
778 for ((i) = 0, (f) = (td)->files[0]; \
779 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
780 (i)++)
781
782static inline bool fio_fill_issue_time(struct thread_data *td)
783{
784 if (td->o.read_iolog_file ||
785 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
786 return true;
787
788 return false;
789}
790
791static inline bool option_check_rate(struct thread_data *td, enum fio_ddir ddir)
792{
793 struct thread_options *o = &td->o;
794
795 /*
796 * If some rate setting was given, we need to check it
797 */
798 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
799 o->rate_iops_min[ddir])
800 return true;
801
802 return false;
803}
804
805static inline bool should_check_rate(struct thread_data *td)
806{
807 return (td->flags & TD_F_CHECK_RATE) != 0;
808}
809
810static inline unsigned long long td_max_bs(struct thread_data *td)
811{
812 unsigned long long max_bs;
813
814 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
815 return max(td->o.max_bs[DDIR_TRIM], max_bs);
816}
817
818static inline unsigned long long td_min_bs(struct thread_data *td)
819{
820 unsigned long long min_bs;
821
822 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
823 return min(td->o.min_bs[DDIR_TRIM], min_bs);
824}
825
826static inline bool td_async_processing(struct thread_data *td)
827{
828 return (td->flags & TD_F_NEED_LOCK) != 0;
829}
830
831static inline bool td_offload_overlap(struct thread_data *td)
832{
833 return td->o.serialize_overlap && td->o.io_submit_mode == IO_MODE_OFFLOAD;
834}
835
836/*
837 * We currently only need to do locking if we have verifier threads
838 * accessing our internal structures too
839 */
840static inline void __td_io_u_lock(struct thread_data *td)
841{
842 pthread_mutex_lock(&td->io_u_lock);
843}
844
845static inline void __td_io_u_unlock(struct thread_data *td)
846{
847 pthread_mutex_unlock(&td->io_u_lock);
848}
849
850static inline void td_io_u_free_notify(struct thread_data *td)
851{
852 if (td_async_processing(td))
853 pthread_cond_signal(&td->free_cond);
854}
855
856static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
857 unsigned int value)
858{
859 if (!td_async_processing(td))
860 *flags &= ~value;
861 else
862 __sync_fetch_and_and(flags, ~value);
863}
864
865static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
866 unsigned int value)
867{
868 if (!td_async_processing(td))
869 *flags |= value;
870 else
871 __sync_fetch_and_or(flags, value);
872}
873
874extern const char *fio_get_arch_string(int);
875extern const char *fio_get_os_string(int);
876
877enum {
878 __FIO_OUTPUT_TERSE = 0,
879 __FIO_OUTPUT_JSON = 1,
880 __FIO_OUTPUT_NORMAL = 2,
881 __FIO_OUTPUT_JSON_PLUS = 3,
882 FIO_OUTPUT_NR = 4,
883
884 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
885 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
886 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
887 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
888};
889
890enum {
891 FIO_RAND_DIST_RANDOM = 0,
892 FIO_RAND_DIST_ZIPF,
893 FIO_RAND_DIST_PARETO,
894 FIO_RAND_DIST_GAUSS,
895 FIO_RAND_DIST_ZONED,
896 FIO_RAND_DIST_ZONED_ABS,
897};
898
899#define FIO_DEF_ZIPF 1.1
900#define FIO_DEF_PARETO 0.2
901
902enum {
903 FIO_RAND_GEN_TAUSWORTHE = 0,
904 FIO_RAND_GEN_LFSR,
905 FIO_RAND_GEN_TAUSWORTHE64,
906};
907
908enum {
909 FIO_CPUS_SHARED = 0,
910 FIO_CPUS_SPLIT,
911};
912
913extern void exec_trigger(const char *);
914extern void check_trigger_file(void);
915
916extern bool in_flight_overlap(struct io_u_queue *q, struct io_u *io_u);
917extern pthread_mutex_t overlap_check;
918
919static inline void *fio_memalign(size_t alignment, size_t size, bool shared)
920{
921 return __fio_memalign(alignment, size, shared ? smalloc : malloc);
922}
923
924static inline void fio_memfree(void *ptr, size_t size, bool shared)
925{
926 return __fio_memfree(ptr, size, shared ? sfree : free);
927}
928
929#endif
fio - Flexible IO Tester