8 #include <sys/resource.h>
17 #include "compiler/compiler.h"
18 #include "thread_options.h"
21 #include "arch/arch.h"
27 #include "ioengines.h"
35 #include "oslib/getopt.h"
37 #include "lib/rbtree.h"
38 #include "lib/num2str.h"
39 #include "lib/memalign.h"
46 #include "io_u_queue.h"
47 #include "workqueue.h"
48 #include "steadystate.h"
49 #include "lib/nowarn_snprintf.h"
51 #ifdef CONFIG_SOLARISAIO
52 #include <sys/asynch.h>
56 #include <linux/mempolicy.h>
60 * "local" is pseudo-policy
74 * offset generator types
82 __TD_F_VER_BACKLOG = 0,
85 __TD_F_REFILL_BUFFERS,
86 __TD_F_SCRAMBLE_BUFFERS,
99 __TD_F_LAST, /* not a real bit, keep last */
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,
130 FIO_RAND_FILE_SIZE_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,
138 FIO_RAND_POISSON_OFF,
140 FIO_RAND_POISSON2_OFF,
141 FIO_RAND_POISSON3_OFF,
150 RATE_PROCESS_LINEAR = 0,
151 RATE_PROCESS_POISSON = 1,
153 THINKTIME_BLOCKS_TYPE_COMPLETE = 0,
154 THINKTIME_BLOCKS_TYPE_ISSUE = 1,
165 * Per-thread/process specific data. Only used for the network client
168 void sk_out_assign(struct sk_out *);
169 void sk_out_drop(void);
171 struct zone_split_index {
173 uint8_t size_perc_prev;
179 * This describes a single thread/process executing a fio job.
182 struct flist_head opt_list;
184 struct thread_options o;
187 unsigned int thread_number;
188 unsigned int subjob_number;
189 unsigned int groupid;
190 struct thread_stat ts __attribute__ ((aligned(8)));
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;
201 struct workqueue log_compress_wq;
203 struct thread_data *parent;
205 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
206 struct timespec bw_sample_time;
208 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
209 struct timespec iops_sample_time;
211 volatile int update_rusage;
212 struct fio_sem *rusage_sem;
213 struct rusage ru_start;
214 struct rusage ru_end;
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;
223 unsigned int next_file;
224 struct frand_state next_file_state;
227 struct zipf_state next_file_zipf;
228 struct gauss_state next_file_gauss;
235 double random_center;
242 size_t orig_buffer_size;
243 volatile int runstate;
244 volatile bool terminate;
246 enum fio_ddir last_ddir;
253 uint64_t rand_seeds[FIO_RAND_NR_OFFS];
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;
260 struct frand_state buf_state;
261 struct frand_state buf_state_prev;
262 struct frand_state buf_state_ret;
263 struct frand_state dedupe_state;
264 struct frand_state zone_state;
265 struct frand_state prio_state;
267 struct zone_split_index **zone_state_index;
268 unsigned int num_open_zones;
270 unsigned int verify_batch;
271 unsigned int trim_batch;
273 struct thread_io_list *vstate;
278 * IO engine hooks, contains everything needed to submit an io_u
279 * to any of the available IO engines.
281 struct ioengine_ops *io_ops;
285 * IO engine private data and dlhandle.
290 * Queue depth of io_u's that fio MIGHT do
292 unsigned int cur_depth;
295 * io_u's about to be committed
297 unsigned int io_u_queued;
300 * io_u's submitted but not completed yet
302 unsigned int io_u_in_flight;
305 * List of free and busy io_u's
307 struct io_u_ring io_u_requeues;
308 struct io_u_queue io_u_freelist;
309 struct io_u_queue io_u_all;
310 pthread_mutex_t io_u_lock;
311 pthread_cond_t free_cond;
314 * async verify offload
316 struct flist_head verify_list;
317 pthread_t *verify_threads;
318 unsigned int nr_verify_threads;
319 pthread_cond_t verify_cond;
320 int verify_thread_exit;
325 uint64_t rate_bps[DDIR_RWDIR_CNT];
326 uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
327 unsigned long long rate_bytes[DDIR_RWDIR_CNT];
328 unsigned long rate_blocks[DDIR_RWDIR_CNT];
329 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
330 struct timespec lastrate[DDIR_RWDIR_CNT];
331 int64_t last_usec[DDIR_RWDIR_CNT];
332 struct frand_state poisson_state[DDIR_RWDIR_CNT];
335 * Enforced rate submission/completion workqueue
337 struct workqueue io_wq;
339 uint64_t total_io_size;
340 uint64_t fill_device_size;
345 uint64_t io_issues[DDIR_RWDIR_CNT];
346 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
352 uint64_t io_blocks[DDIR_RWDIR_CNT];
353 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
354 uint64_t io_bytes[DDIR_RWDIR_CNT];
355 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
356 uint64_t io_skip_bytes;
359 uint64_t bytes_done[DDIR_RWDIR_CNT];
361 uint64_t *thinktime_blocks_counter;
364 * State for random io, a bitmap of blocks done vs not done
366 struct frand_state random_state;
368 struct timespec start; /* start of this loop */
369 struct timespec epoch; /* time job was started */
370 unsigned long long unix_epoch; /* Time job was started, unix epoch based. */
371 struct timespec last_issue;
373 struct timespec ts_cache;
374 struct timespec terminate_time;
375 unsigned int ts_cache_nr;
376 unsigned int ts_cache_mask;
380 * Time since last latency_window was started
382 struct timespec latency_ts;
383 unsigned int latency_qd;
384 unsigned int latency_qd_high;
385 unsigned int latency_qd_low;
386 unsigned int latency_failed;
387 unsigned int latency_stable_count;
388 uint64_t latency_ios;
392 * read/write mixed workload state
394 struct frand_state rwmix_state;
395 unsigned long rwmix_issues;
396 enum fio_ddir rwmix_ddir;
397 unsigned int ddir_seq_nr;
400 * rand/seq mixed workload state
402 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
405 * IO history logs for verification. We use a tree for sorting,
406 * if we are overwriting. Otherwise just use a fifo.
408 struct rb_root io_hist_tree;
409 struct flist_head io_hist_list;
410 unsigned long io_hist_len;
415 struct flist_head io_log_list;
417 unsigned int io_log_current;
418 unsigned int io_log_checkmark;
419 unsigned int io_log_highmark;
420 struct timespec io_log_highmark_time;
423 * For tracking/handling discards
425 struct flist_head trim_list;
426 unsigned long trim_entries;
429 * for fileservice, how often to switch to a new file
431 unsigned int file_service_nr;
432 unsigned int file_service_left;
433 struct fio_file *file_service_file;
435 unsigned int sync_file_range_nr;
438 * For generating file sizes
440 struct frand_state file_size_state;
445 unsigned int total_err_count;
448 struct fio_flow *flow;
449 unsigned long long flow_counter;
452 * Can be overloaded by profiles
454 struct prof_io_ops prof_io_ops;
459 struct steadystate_data ss;
461 char verror[FIO_VERROR_SIZE];
465 * for GPU memory management
471 CUdeviceptr dev_mem_ptr;
476 struct thread_segment {
477 struct thread_data *threads;
483 * when should interactive ETA output be generated
491 #define __td_verror(td, err, msg, func) \
493 unsigned int ____e = (err); \
496 (td)->error = ____e; \
497 if (!(td)->first_error) \
498 nowarn_snprintf(td->verror, sizeof(td->verror), \
499 "file:%s:%d, func=%s, error=%s", \
500 __FILE__, __LINE__, (func), (msg)); \
504 #define td_clear_error(td) do { \
507 (td)->parent->error = 0; \
510 #define td_verror(td, err, func) do { \
511 __td_verror((td), (err), strerror((err)), (func)); \
513 __td_verror((td)->parent, (err), strerror((err)), (func)); \
516 #define td_vmsg(td, err, msg, func) do { \
517 __td_verror((td), (err), (msg), (func)); \
519 __td_verror((td)->parent, (err), (msg), (func)); \
522 #define __fio_stringify_1(x) #x
523 #define __fio_stringify(x) __fio_stringify_1(x)
525 #define REAL_MAX_JOBS 4096
526 #define JOBS_PER_SEG 8
527 #define REAL_MAX_SEG (REAL_MAX_JOBS / JOBS_PER_SEG)
529 extern bool exitall_on_terminate;
530 extern unsigned int thread_number;
531 extern unsigned int stat_number;
532 extern unsigned int nr_segments;
533 extern unsigned int cur_segment;
535 extern int output_format;
536 extern int append_terse_output;
537 extern int temp_stall_ts;
538 extern uintptr_t page_mask, page_size;
539 extern bool read_only;
540 extern int eta_print;
541 extern int eta_new_line;
542 extern unsigned int eta_interval_msec;
543 extern unsigned long done_secs;
544 extern int fio_gtod_offload;
545 extern int fio_gtod_cpu;
546 extern enum fio_cs fio_clock_source;
547 extern int fio_clock_source_set;
548 extern int warnings_fatal;
549 extern int terse_version;
550 extern bool is_backend;
551 extern bool is_local_backend;
552 extern int nr_clients;
553 extern bool log_syslog;
554 extern int status_interval;
555 extern const char fio_version_string[];
556 extern char *trigger_file;
557 extern char *trigger_cmd;
558 extern char *trigger_remote_cmd;
559 extern long long trigger_timeout;
560 extern char *aux_path;
562 extern struct thread_segment segments[REAL_MAX_SEG];
564 static inline struct thread_data *tnumber_to_td(unsigned int tnumber)
566 struct thread_segment *seg;
568 seg = &segments[tnumber / JOBS_PER_SEG];
569 return &seg->threads[tnumber & (JOBS_PER_SEG - 1)];
572 static inline bool is_running_backend(void)
574 return is_backend || is_local_backend;
577 extern bool eta_time_within_slack(unsigned int time);
579 static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
581 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)) &&
582 !(io_u->ddir == DDIR_TRIM && !td_trim(td)));
585 static inline bool should_fsync(struct thread_data *td)
587 if (td->last_was_sync)
589 if (td_write(td) || td->o.override_sync)
596 * Init/option functions
598 extern int __must_check fio_init_options(void);
599 extern int __must_check parse_options(int, char **);
600 extern int parse_jobs_ini(char *, int, int, int);
601 extern int parse_cmd_line(int, char **, int);
602 extern int fio_backend(struct sk_out *);
603 extern void reset_fio_state(void);
604 extern void clear_io_state(struct thread_data *, int);
605 extern int fio_options_parse(struct thread_data *, char **, int);
606 extern void fio_keywords_init(void);
607 extern void fio_keywords_exit(void);
608 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
609 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
610 extern void fio_fill_default_options(struct thread_data *);
611 extern int fio_show_option_help(const char *);
612 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
613 extern void fio_options_dup_and_init(struct option *);
614 extern char *fio_option_dup_subs(const char *);
615 extern void fio_options_mem_dupe(struct thread_data *);
616 extern void td_fill_rand_seeds(struct thread_data *);
617 extern void td_fill_verify_state_seed(struct thread_data *);
618 extern void add_job_opts(const char **, int);
619 extern int ioengine_load(struct thread_data *);
620 extern bool parse_dryrun(void);
621 extern int fio_running_or_pending_io_threads(void);
622 extern int fio_set_fd_nonblocking(int, const char *);
623 extern void sig_show_status(int sig);
624 extern struct thread_data *get_global_options(void);
626 extern uintptr_t page_mask;
627 extern uintptr_t page_size;
628 extern int initialize_fio(char *envp[]);
629 extern void deinitialize_fio(void);
631 #define FIO_GETOPT_JOB 0x89000000
632 #define FIO_GETOPT_IOENGINE 0x98000000
633 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
638 extern void print_thread_status(void);
639 extern void print_status_init(int);
640 extern char *fio_uint_to_kmg(unsigned int val);
643 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
644 * will never back again. It may cycle between running/verififying/fsyncing.
645 * Once the thread reaches TD_EXITED, it is just waiting for the core to
665 #define TD_ENG_FLAG_SHIFT 17
666 #define TD_ENG_FLAG_MASK ((1U << 17) - 1)
668 static inline void td_set_ioengine_flags(struct thread_data *td)
670 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
671 (td->io_ops->flags << TD_ENG_FLAG_SHIFT);
674 static inline bool td_ioengine_flagged(struct thread_data *td,
675 enum fio_ioengine_flags flags)
677 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
680 extern void td_set_runstate(struct thread_data *, int);
681 extern int td_bump_runstate(struct thread_data *, int);
682 extern void td_restore_runstate(struct thread_data *, int);
683 extern const char *runstate_to_name(int runstate);
686 * Allow 60 seconds for a job to quit on its own, otherwise reap with
689 #define FIO_REAP_TIMEOUT 300
694 TERMINATE_STONEWALL = 2,
698 extern void fio_terminate_threads(unsigned int, unsigned int);
699 extern void fio_mark_td_terminate(struct thread_data *);
704 extern int __must_check fio_pin_memory(struct thread_data *);
705 extern void fio_unpin_memory(struct thread_data *);
706 extern int __must_check allocate_io_mem(struct thread_data *);
707 extern void free_io_mem(struct thread_data *);
708 extern void free_threads_shm(void);
711 #define PTR_ALIGN(ptr, mask) \
712 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
716 * Reset stats after ramp time completes
718 extern void reset_all_stats(struct thread_data *);
720 extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
721 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
722 struct timespec *comp_time);
725 * Latency target helpers
727 extern void lat_target_check(struct thread_data *);
728 extern void lat_target_init(struct thread_data *);
729 extern void lat_target_reset(struct thread_data *);
732 * Iterates all threads/processes within all the defined jobs
734 #define for_each_td(td, i) \
735 for ((i) = 0, (td) = &segments[0].threads[0]; (i) < (int) thread_number; (i)++, (td) = tnumber_to_td((i)))
736 #define for_each_file(td, f, i) \
737 if ((td)->files_index) \
738 for ((i) = 0, (f) = (td)->files[0]; \
739 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
742 static inline bool fio_fill_issue_time(struct thread_data *td)
744 if (td->o.read_iolog_file ||
745 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
751 static inline bool option_check_rate(struct thread_data *td, enum fio_ddir ddir)
753 struct thread_options *o = &td->o;
756 * If some rate setting was given, we need to check it
758 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
759 o->rate_iops_min[ddir])
765 static inline bool should_check_rate(struct thread_data *td)
767 return (td->flags & TD_F_CHECK_RATE) != 0;
770 static inline unsigned long long td_max_bs(struct thread_data *td)
772 unsigned long long max_bs;
774 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
775 return max(td->o.max_bs[DDIR_TRIM], max_bs);
778 static inline unsigned long long td_min_bs(struct thread_data *td)
780 unsigned long long min_bs;
782 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
783 return min(td->o.min_bs[DDIR_TRIM], min_bs);
786 static inline bool td_async_processing(struct thread_data *td)
788 return (td->flags & TD_F_NEED_LOCK) != 0;
791 static inline bool td_offload_overlap(struct thread_data *td)
793 return td->o.serialize_overlap && td->o.io_submit_mode == IO_MODE_OFFLOAD;
797 * We currently only need to do locking if we have verifier threads
798 * accessing our internal structures too
800 static inline void __td_io_u_lock(struct thread_data *td)
802 pthread_mutex_lock(&td->io_u_lock);
805 static inline void __td_io_u_unlock(struct thread_data *td)
807 pthread_mutex_unlock(&td->io_u_lock);
810 static inline void td_io_u_free_notify(struct thread_data *td)
812 if (td_async_processing(td))
813 pthread_cond_signal(&td->free_cond);
816 static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
819 if (!td_async_processing(td))
822 __sync_fetch_and_and(flags, ~value);
825 static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
828 if (!td_async_processing(td))
831 __sync_fetch_and_or(flags, value);
834 extern const char *fio_get_arch_string(int);
835 extern const char *fio_get_os_string(int);
838 __FIO_OUTPUT_TERSE = 0,
839 __FIO_OUTPUT_JSON = 1,
840 __FIO_OUTPUT_NORMAL = 2,
841 __FIO_OUTPUT_JSON_PLUS = 3,
844 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
845 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
846 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
847 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
851 FIO_RAND_DIST_RANDOM = 0,
853 FIO_RAND_DIST_PARETO,
856 FIO_RAND_DIST_ZONED_ABS,
859 #define FIO_DEF_ZIPF 1.1
860 #define FIO_DEF_PARETO 0.2
863 FIO_RAND_GEN_TAUSWORTHE = 0,
865 FIO_RAND_GEN_TAUSWORTHE64,
873 extern void exec_trigger(const char *);
874 extern void check_trigger_file(void);
876 extern bool in_flight_overlap(struct io_u_queue *q, struct io_u *io_u);
877 extern pthread_mutex_t overlap_check;
879 static inline void *fio_memalign(size_t alignment, size_t size, bool shared)
881 return __fio_memalign(alignment, size, shared ? smalloc : malloc);
884 static inline void fio_memfree(void *ptr, size_t size, bool shared)
886 return __fio_memfree(ptr, size, shared ? sfree : free);