8 #include <sys/resource.h>
17 #include "compiler/compiler.h"
18 #include "thread_options.h"
21 #include "arch/arch.h"
35 #include "oslib/getopt.h"
37 #include "lib/rbtree.h"
42 #include "io_u_queue.h"
43 #include "workqueue.h"
44 #include "steadystate.h"
46 #ifdef CONFIG_SOLARISAIO
47 #include <sys/asynch.h>
51 #include <linux/mempolicy.h>
55 * "local" is pseudo-policy
57 #define MPOL_LOCAL MPOL_MAX
61 * offset generator types
69 TD_F_VER_BACKLOG = 1U << 0,
70 TD_F_TRIM_BACKLOG = 1U << 1,
71 TD_F_READ_IOLOG = 1U << 2,
72 TD_F_REFILL_BUFFERS = 1U << 3,
73 TD_F_SCRAMBLE_BUFFERS = 1U << 4,
74 TD_F_VER_NONE = 1U << 5,
75 TD_F_PROFILE_OPS = 1U << 6,
76 TD_F_COMPRESS = 1U << 7,
78 TD_F_COMPRESS_LOG = 1U << 9,
79 TD_F_VSTATE_SAVED = 1U << 10,
80 TD_F_NEED_LOCK = 1U << 11,
81 TD_F_CHILD = 1U << 12,
82 TD_F_NO_PROGRESS = 1U << 13,
83 TD_F_REGROW_LOGS = 1U << 14,
92 FIO_RAND_FILE_SIZE_OFF,
95 FIO_RAND_SEQ_RAND_READ_OFF,
96 FIO_RAND_SEQ_RAND_WRITE_OFF,
97 FIO_RAND_SEQ_RAND_TRIM_OFF,
100 FIO_RAND_POISSON_OFF,
109 RATE_PROCESS_LINEAR = 0,
110 RATE_PROCESS_POISSON = 1,
114 * Per-thread/process specific data. Only used for the network client
118 void sk_out_assign(struct sk_out *);
119 void sk_out_drop(void);
121 struct zone_split_index {
123 uint8_t size_perc_prev;
127 * This describes a single thread/process executing a fio job.
130 struct flist_head opt_list;
132 struct thread_options o;
135 unsigned int thread_number;
136 unsigned int subjob_number;
137 unsigned int groupid;
138 struct thread_stat ts;
142 struct io_log *slat_log;
143 struct io_log *clat_log;
144 struct io_log *clat_hist_log;
145 struct io_log *lat_log;
146 struct io_log *bw_log;
147 struct io_log *iops_log;
149 struct workqueue log_compress_wq;
151 struct thread_data *parent;
153 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
154 struct timeval bw_sample_time;
156 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
157 struct timeval iops_sample_time;
159 volatile int update_rusage;
160 struct fio_mutex *rusage_sem;
161 struct rusage ru_start;
162 struct rusage ru_end;
164 struct fio_file **files;
165 unsigned char *file_locks;
166 unsigned int files_size;
167 unsigned int files_index;
168 unsigned int nr_open_files;
169 unsigned int nr_done_files;
170 unsigned int nr_normal_files;
172 unsigned int next_file;
173 struct frand_state next_file_state;
176 struct zipf_state next_file_zipf;
177 struct gauss_state next_file_gauss;
190 size_t orig_buffer_size;
191 volatile int terminate;
192 volatile int runstate;
193 unsigned int last_was_sync;
194 enum fio_ddir last_ddir;
203 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
205 struct frand_state bsrange_state;
206 struct frand_state verify_state;
207 struct frand_state trim_state;
208 struct frand_state delay_state;
210 struct frand_state buf_state;
211 struct frand_state buf_state_prev;
212 struct frand_state dedupe_state;
213 struct frand_state zone_state;
215 struct zone_split_index **zone_state_index;
217 unsigned int verify_batch;
218 unsigned int trim_batch;
220 struct thread_io_list *vstate;
225 * IO engine hooks, contains everything needed to submit an io_u
226 * to any of the available IO engines.
228 struct ioengine_ops *io_ops;
231 * IO engine private data and dlhandle.
234 void *io_ops_dlhandle;
237 * Queue depth of io_u's that fio MIGHT do
239 unsigned int cur_depth;
242 * io_u's about to be committed
244 unsigned int io_u_queued;
247 * io_u's submitted but not completed yet
249 unsigned int io_u_in_flight;
252 * List of free and busy io_u's
254 struct io_u_ring io_u_requeues;
255 struct io_u_queue io_u_freelist;
256 struct io_u_queue io_u_all;
257 pthread_mutex_t io_u_lock;
258 pthread_cond_t free_cond;
261 * async verify offload
263 struct flist_head verify_list;
264 pthread_t *verify_threads;
265 unsigned int nr_verify_threads;
266 pthread_cond_t verify_cond;
267 int verify_thread_exit;
272 uint64_t rate_bps[DDIR_RWDIR_CNT];
273 unsigned long rate_next_io_time[DDIR_RWDIR_CNT];
274 unsigned long rate_bytes[DDIR_RWDIR_CNT];
275 unsigned long rate_blocks[DDIR_RWDIR_CNT];
276 unsigned long rate_io_issue_bytes[DDIR_RWDIR_CNT];
277 struct timeval lastrate[DDIR_RWDIR_CNT];
279 struct frand_state poisson_state;
282 * Enforced rate submission/completion workqueue
284 struct workqueue io_wq;
286 uint64_t total_io_size;
287 uint64_t fill_device_size;
292 uint64_t io_issues[DDIR_RWDIR_CNT];
293 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
299 uint64_t io_blocks[DDIR_RWDIR_CNT];
300 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
301 uint64_t io_bytes[DDIR_RWDIR_CNT];
302 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
303 uint64_t io_skip_bytes;
305 struct fio_mutex *mutex;
306 uint64_t bytes_done[DDIR_RWDIR_CNT];
309 * State for random io, a bitmap of blocks done vs not done
311 struct frand_state random_state;
313 struct timeval start; /* start of this loop */
314 struct timeval epoch; /* time job was started */
315 struct timeval last_issue;
317 struct timeval tv_cache;
318 struct timeval terminate_time;
319 unsigned int tv_cache_nr;
320 unsigned int tv_cache_mask;
321 unsigned int ramp_time_over;
324 * Time since last latency_window was started
326 struct timeval latency_ts;
327 unsigned int latency_qd;
328 unsigned int latency_qd_high;
329 unsigned int latency_qd_low;
330 unsigned int latency_failed;
331 uint64_t latency_ios;
335 * read/write mixed workload state
337 struct frand_state rwmix_state;
338 unsigned long rwmix_issues;
339 enum fio_ddir rwmix_ddir;
340 unsigned int ddir_seq_nr;
343 * rand/seq mixed workload state
345 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
348 * IO history logs for verification. We use a tree for sorting,
349 * if we are overwriting. Otherwise just use a fifo.
351 struct rb_root io_hist_tree;
352 struct flist_head io_hist_list;
353 unsigned long io_hist_len;
358 struct flist_head io_log_list;
361 * For tracking/handling discards
363 struct flist_head trim_list;
364 unsigned long trim_entries;
366 struct flist_head next_rand_list;
369 * for fileservice, how often to switch to a new file
371 unsigned int file_service_nr;
372 unsigned int file_service_left;
373 struct fio_file *file_service_file;
375 unsigned int sync_file_range_nr;
378 * For generating file sizes
380 struct frand_state file_size_state;
385 unsigned int total_err_count;
388 struct fio_flow *flow;
391 * Can be overloaded by profiles
393 struct prof_io_ops prof_io_ops;
398 struct steadystate_data ss;
400 char verror[FIO_VERROR_SIZE];
404 * when should interactive ETA output be generated
412 #define __td_verror(td, err, msg, func) \
414 unsigned int ____e = (err); \
417 (td)->error = ____e; \
418 if (!(td)->first_error) \
419 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
423 #define td_clear_error(td) do { \
426 (td)->parent->error = 0; \
429 #define td_verror(td, err, func) do { \
430 __td_verror((td), (err), strerror((err)), (func)); \
432 __td_verror((td)->parent, (err), strerror((err)), (func)); \
435 #define td_vmsg(td, err, msg, func) do { \
436 __td_verror((td), (err), (msg), (func)); \
438 __td_verror((td)->parent, (err), (msg), (func)); \
441 #define __fio_stringify_1(x) #x
442 #define __fio_stringify(x) __fio_stringify_1(x)
444 extern int exitall_on_terminate;
445 extern unsigned int thread_number;
446 extern unsigned int stat_number;
449 extern int output_format;
450 extern int append_terse_output;
451 extern int temp_stall_ts;
452 extern uintptr_t page_mask, page_size;
453 extern int read_only;
454 extern int eta_print;
455 extern int eta_new_line;
456 extern unsigned long done_secs;
457 extern char *job_section;
458 extern int fio_gtod_offload;
459 extern int fio_gtod_cpu;
460 extern enum fio_cs fio_clock_source;
461 extern int fio_clock_source_set;
462 extern int warnings_fatal;
463 extern int terse_version;
464 extern int is_backend;
465 extern int nr_clients;
466 extern int log_syslog;
467 extern int status_interval;
468 extern const char fio_version_string[];
469 extern char *trigger_file;
470 extern char *trigger_cmd;
471 extern char *trigger_remote_cmd;
472 extern long long trigger_timeout;
473 extern char *aux_path;
475 extern struct thread_data *threads;
477 static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
479 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
482 #define REAL_MAX_JOBS 2048
484 static inline int should_fsync(struct thread_data *td)
486 if (td->last_was_sync)
488 if (td_write(td) || td_rw(td) || td->o.override_sync)
495 * Init/option functions
497 extern int __must_check fio_init_options(void);
498 extern int __must_check parse_options(int, char **);
499 extern int parse_jobs_ini(char *, int, int, int);
500 extern int parse_cmd_line(int, char **, int);
501 extern int fio_backend(struct sk_out *);
502 extern void reset_fio_state(void);
503 extern void clear_io_state(struct thread_data *, int);
504 extern int fio_options_parse(struct thread_data *, char **, int);
505 extern void fio_keywords_init(void);
506 extern void fio_keywords_exit(void);
507 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
508 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
509 extern void fio_fill_default_options(struct thread_data *);
510 extern int fio_show_option_help(const char *);
511 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
512 extern void fio_options_dup_and_init(struct option *);
513 extern void fio_options_mem_dupe(struct thread_data *);
514 extern void options_mem_dupe(void *data, struct fio_option *options);
515 extern void td_fill_rand_seeds(struct thread_data *);
516 extern void td_fill_verify_state_seed(struct thread_data *);
517 extern void add_job_opts(const char **, int);
518 extern char *num2str(uint64_t, int, int, int, int);
519 extern int ioengine_load(struct thread_data *);
520 extern int parse_dryrun(void);
521 extern int fio_running_or_pending_io_threads(void);
522 extern int fio_set_fd_nonblocking(int, const char *);
523 extern void sig_show_status(int sig);
524 extern struct thread_data *get_global_options(void);
526 extern uintptr_t page_mask;
527 extern uintptr_t page_size;
528 extern int initialize_fio(char *envp[]);
529 extern void deinitialize_fio(void);
531 #define FIO_GETOPT_JOB 0x89000000
532 #define FIO_GETOPT_IOENGINE 0x98000000
533 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
538 extern void print_thread_status(void);
539 extern void print_status_init(int);
540 extern char *fio_uint_to_kmg(unsigned int val);
543 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
544 * will never back again. It may cycle between running/verififying/fsyncing.
545 * Once the thread reaches TD_EXITED, it is just waiting for the core to
565 #define TD_ENG_FLAG_SHIFT 16
566 #define TD_ENG_FLAG_MASK ((1U << 16) - 1)
568 static inline enum fio_ioengine_flags td_ioengine_flags(struct thread_data *td)
570 return (td->flags >> TD_ENG_FLAG_SHIFT) & TD_ENG_FLAG_MASK;
573 static inline void td_set_ioengine_flags(struct thread_data *td)
575 td->flags |= (td->io_ops->flags << TD_ENG_FLAG_SHIFT);
578 static inline bool td_ioengine_flagged(struct thread_data *td, unsigned int val)
580 return ((td->flags >> TD_ENG_FLAG_SHIFT) & val) != 0;
583 extern void td_set_runstate(struct thread_data *, int);
584 extern int td_bump_runstate(struct thread_data *, int);
585 extern void td_restore_runstate(struct thread_data *, int);
586 extern const char *runstate_to_name(int runstate);
589 * Allow 60 seconds for a job to quit on its own, otherwise reap with
592 #define FIO_REAP_TIMEOUT 60
594 #define TERMINATE_ALL (-1U)
595 extern void fio_terminate_threads(unsigned int);
596 extern void fio_mark_td_terminate(struct thread_data *);
601 extern int __must_check fio_pin_memory(struct thread_data *);
602 extern void fio_unpin_memory(struct thread_data *);
603 extern int __must_check allocate_io_mem(struct thread_data *);
604 extern void free_io_mem(struct thread_data *);
605 extern void free_threads_shm(void);
608 * Reset stats after ramp time completes
610 extern void reset_all_stats(struct thread_data *);
615 #ifdef FIO_HAVE_BLKTRACE
616 extern int is_blktrace(const char *, int *);
617 extern int load_blktrace(struct thread_data *, const char *, int);
620 extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
621 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
622 struct timeval *comp_time);
625 * Latency target helpers
627 extern void lat_target_check(struct thread_data *);
628 extern void lat_target_init(struct thread_data *);
629 extern void lat_target_reset(struct thread_data *);
631 #define for_each_td(td, i) \
632 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
633 #define for_each_file(td, f, i) \
634 if ((td)->files_index) \
635 for ((i) = 0, (f) = (td)->files[0]; \
636 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
639 #define fio_assert(td, cond) do { \
642 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
643 td_set_runstate((td), TD_EXITED); \
644 (td)->error = EFAULT; \
649 static inline int fio_fill_issue_time(struct thread_data *td)
651 if (td->o.read_iolog_file ||
652 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
658 static inline int __should_check_rate(struct thread_data *td,
661 struct thread_options *o = &td->o;
664 * If some rate setting was given, we need to check it
666 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
667 o->rate_iops_min[ddir])
673 static inline int should_check_rate(struct thread_data *td)
677 if (td->bytes_done[DDIR_READ])
678 ret |= __should_check_rate(td, DDIR_READ);
679 if (td->bytes_done[DDIR_WRITE])
680 ret |= __should_check_rate(td, DDIR_WRITE);
681 if (td->bytes_done[DDIR_TRIM])
682 ret |= __should_check_rate(td, DDIR_TRIM);
687 static inline unsigned int td_max_bs(struct thread_data *td)
691 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
692 return max(td->o.max_bs[DDIR_TRIM], max_bs);
695 static inline unsigned int td_min_bs(struct thread_data *td)
699 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
700 return min(td->o.min_bs[DDIR_TRIM], min_bs);
703 static inline bool td_async_processing(struct thread_data *td)
705 return (td->flags & TD_F_NEED_LOCK) != 0;
709 * We currently only need to do locking if we have verifier threads
710 * accessing our internal structures too
712 static inline void td_io_u_lock(struct thread_data *td)
714 if (td_async_processing(td))
715 pthread_mutex_lock(&td->io_u_lock);
718 static inline void td_io_u_unlock(struct thread_data *td)
720 if (td_async_processing(td))
721 pthread_mutex_unlock(&td->io_u_lock);
724 static inline void td_io_u_free_notify(struct thread_data *td)
726 if (td_async_processing(td))
727 pthread_cond_signal(&td->free_cond);
730 static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
733 if (!td_async_processing(td))
736 __sync_fetch_and_and(flags, ~value);
739 static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
742 if (!td_async_processing(td))
745 __sync_fetch_and_or(flags, value);
748 extern const char *fio_get_arch_string(int);
749 extern const char *fio_get_os_string(int);
752 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
753 #define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
757 __FIO_OUTPUT_TERSE = 0,
758 __FIO_OUTPUT_JSON = 1,
759 __FIO_OUTPUT_NORMAL = 2,
760 __FIO_OUTPUT_JSON_PLUS = 3,
763 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
764 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
765 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
766 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
770 FIO_RAND_DIST_RANDOM = 0,
772 FIO_RAND_DIST_PARETO,
777 #define FIO_DEF_ZIPF 1.1
778 #define FIO_DEF_PARETO 0.2
781 FIO_RAND_GEN_TAUSWORTHE = 0,
783 FIO_RAND_GEN_TAUSWORTHE64,
791 extern void exec_trigger(const char *);
792 extern void check_trigger_file(void);