8 #include <sys/resource.h>
17 #include "compiler/compiler.h"
18 #include "thread_options.h"
21 #include "arch/arch.h"
28 #include "ioengines.h"
35 #include "oslib/getopt.h"
37 #include "lib/rbtree.h"
38 #include "lib/num2str.h"
44 #include "io_u_queue.h"
45 #include "workqueue.h"
46 #include "steadystate.h"
48 #ifdef CONFIG_SOLARISAIO
49 #include <sys/asynch.h>
53 #include <linux/mempolicy.h>
57 * "local" is pseudo-policy
59 #define MPOL_LOCAL MPOL_MAX
67 * offset generator types
75 __TD_F_VER_BACKLOG = 0,
78 __TD_F_REFILL_BUFFERS,
79 __TD_F_SCRAMBLE_BUFFERS,
91 __TD_F_LAST, /* not a real bit, keep last */
95 TD_F_VER_BACKLOG = 1U << __TD_F_VER_BACKLOG,
96 TD_F_TRIM_BACKLOG = 1U << __TD_F_TRIM_BACKLOG,
97 TD_F_READ_IOLOG = 1U << __TD_F_READ_IOLOG,
98 TD_F_REFILL_BUFFERS = 1U << __TD_F_REFILL_BUFFERS,
99 TD_F_SCRAMBLE_BUFFERS = 1U << __TD_F_SCRAMBLE_BUFFERS,
100 TD_F_VER_NONE = 1U << __TD_F_VER_NONE,
101 TD_F_PROFILE_OPS = 1U << __TD_F_PROFILE_OPS,
102 TD_F_COMPRESS = 1U << __TD_F_COMPRESS,
103 TD_F_COMPRESS_LOG = 1U << __TD_F_COMPRESS_LOG,
104 TD_F_VSTATE_SAVED = 1U << __TD_F_VSTATE_SAVED,
105 TD_F_NEED_LOCK = 1U << __TD_F_NEED_LOCK,
106 TD_F_CHILD = 1U << __TD_F_CHILD,
107 TD_F_NO_PROGRESS = 1U << __TD_F_NO_PROGRESS,
108 TD_F_REGROW_LOGS = 1U << __TD_F_REGROW_LOGS,
109 TD_F_MMAP_KEEP = 1U << __TD_F_MMAP_KEEP,
110 TD_F_DIRS_CREATED = 1U << __TD_F_DIRS_CREATED,
121 FIO_RAND_FILE_SIZE_OFF,
124 FIO_RAND_SEQ_RAND_READ_OFF,
125 FIO_RAND_SEQ_RAND_WRITE_OFF,
126 FIO_RAND_SEQ_RAND_TRIM_OFF,
127 FIO_RAND_START_DELAY,
129 FIO_RAND_POISSON_OFF,
131 FIO_RAND_POISSON2_OFF,
132 FIO_RAND_POISSON3_OFF,
140 RATE_PROCESS_LINEAR = 0,
141 RATE_PROCESS_POISSON = 1,
152 * Per-thread/process specific data. Only used for the network client
155 void sk_out_assign(struct sk_out *);
156 void sk_out_drop(void);
158 struct zone_split_index {
160 uint8_t size_perc_prev;
164 * This describes a single thread/process executing a fio job.
167 struct flist_head opt_list;
169 struct thread_options o;
172 unsigned int thread_number;
173 unsigned int subjob_number;
174 unsigned int groupid;
175 struct thread_stat ts __attribute__ ((aligned(8)));
179 struct io_log *slat_log;
180 struct io_log *clat_log;
181 struct io_log *clat_hist_log;
182 struct io_log *lat_log;
183 struct io_log *bw_log;
184 struct io_log *iops_log;
186 struct workqueue log_compress_wq;
188 struct thread_data *parent;
190 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
191 struct timespec bw_sample_time;
193 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
194 struct timespec iops_sample_time;
196 volatile int update_rusage;
197 struct fio_mutex *rusage_sem;
198 struct rusage ru_start;
199 struct rusage ru_end;
201 struct fio_file **files;
202 unsigned char *file_locks;
203 unsigned int files_size;
204 unsigned int files_index;
205 unsigned int nr_open_files;
206 unsigned int nr_done_files;
207 unsigned int nr_normal_files;
209 unsigned int next_file;
210 struct frand_state next_file_state;
213 struct zipf_state next_file_zipf;
214 struct gauss_state next_file_gauss;
227 size_t orig_buffer_size;
228 volatile int terminate;
229 volatile int runstate;
230 unsigned int last_was_sync;
231 enum fio_ddir last_ddir;
238 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
240 struct frand_state bsrange_state[DDIR_RWDIR_CNT];
241 struct frand_state verify_state;
242 struct frand_state trim_state;
243 struct frand_state delay_state;
245 struct frand_state buf_state;
246 struct frand_state buf_state_prev;
247 struct frand_state dedupe_state;
248 struct frand_state zone_state;
250 struct zone_split_index **zone_state_index;
252 unsigned int verify_batch;
253 unsigned int trim_batch;
255 struct thread_io_list *vstate;
260 * IO engine hooks, contains everything needed to submit an io_u
261 * to any of the available IO engines.
263 struct ioengine_ops *io_ops;
267 * IO engine private data and dlhandle.
270 void *io_ops_dlhandle;
273 * Queue depth of io_u's that fio MIGHT do
275 unsigned int cur_depth;
278 * io_u's about to be committed
280 unsigned int io_u_queued;
283 * io_u's submitted but not completed yet
285 unsigned int io_u_in_flight;
288 * List of free and busy io_u's
290 struct io_u_ring io_u_requeues;
291 struct io_u_queue io_u_freelist;
292 struct io_u_queue io_u_all;
293 pthread_mutex_t io_u_lock;
294 pthread_cond_t free_cond;
297 * async verify offload
299 struct flist_head verify_list;
300 pthread_t *verify_threads;
301 unsigned int nr_verify_threads;
302 pthread_cond_t verify_cond;
303 int verify_thread_exit;
308 uint64_t rate_bps[DDIR_RWDIR_CNT];
309 uint64_t rate_next_io_time[DDIR_RWDIR_CNT];
310 unsigned long rate_bytes[DDIR_RWDIR_CNT];
311 unsigned long rate_blocks[DDIR_RWDIR_CNT];
312 unsigned long long rate_io_issue_bytes[DDIR_RWDIR_CNT];
313 struct timespec lastrate[DDIR_RWDIR_CNT];
314 int64_t last_usec[DDIR_RWDIR_CNT];
315 struct frand_state poisson_state[DDIR_RWDIR_CNT];
318 * Enforced rate submission/completion workqueue
320 struct workqueue io_wq;
322 uint64_t total_io_size;
323 uint64_t fill_device_size;
328 uint64_t io_issues[DDIR_RWDIR_CNT];
329 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
335 uint64_t io_blocks[DDIR_RWDIR_CNT];
336 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
337 uint64_t io_bytes[DDIR_RWDIR_CNT];
338 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
339 uint64_t io_skip_bytes;
341 struct fio_mutex *mutex;
342 uint64_t bytes_done[DDIR_RWDIR_CNT];
345 * State for random io, a bitmap of blocks done vs not done
347 struct frand_state random_state;
349 struct timespec start; /* start of this loop */
350 struct timespec epoch; /* time job was started */
351 unsigned long long unix_epoch; /* Time job was started, unix epoch based. */
352 struct timespec last_issue;
354 struct timespec ts_cache;
355 struct timespec terminate_time;
356 unsigned int ts_cache_nr;
357 unsigned int ts_cache_mask;
361 * Time since last latency_window was started
363 struct timespec latency_ts;
364 unsigned int latency_qd;
365 unsigned int latency_qd_high;
366 unsigned int latency_qd_low;
367 unsigned int latency_failed;
368 uint64_t latency_ios;
372 * read/write mixed workload state
374 struct frand_state rwmix_state;
375 unsigned long rwmix_issues;
376 enum fio_ddir rwmix_ddir;
377 unsigned int ddir_seq_nr;
380 * rand/seq mixed workload state
382 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
385 * IO history logs for verification. We use a tree for sorting,
386 * if we are overwriting. Otherwise just use a fifo.
388 struct rb_root io_hist_tree;
389 struct flist_head io_hist_list;
390 unsigned long io_hist_len;
395 struct flist_head io_log_list;
398 * For tracking/handling discards
400 struct flist_head trim_list;
401 unsigned long trim_entries;
403 struct flist_head next_rand_list;
406 * for fileservice, how often to switch to a new file
408 unsigned int file_service_nr;
409 unsigned int file_service_left;
410 struct fio_file *file_service_file;
412 unsigned int sync_file_range_nr;
415 * For generating file sizes
417 struct frand_state file_size_state;
422 unsigned int total_err_count;
425 struct fio_flow *flow;
428 * Can be overloaded by profiles
430 struct prof_io_ops prof_io_ops;
435 struct steadystate_data ss;
437 char verror[FIO_VERROR_SIZE];
441 * for GPU memory management
447 CUdeviceptr dev_mem_ptr;
453 * when should interactive ETA output be generated
461 #define __td_verror(td, err, msg, func) \
463 unsigned int ____e = (err); \
466 (td)->error = ____e; \
467 if (!(td)->first_error) \
468 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
472 #define td_clear_error(td) do { \
475 (td)->parent->error = 0; \
478 #define td_verror(td, err, func) do { \
479 __td_verror((td), (err), strerror((err)), (func)); \
481 __td_verror((td)->parent, (err), strerror((err)), (func)); \
484 #define td_vmsg(td, err, msg, func) do { \
485 __td_verror((td), (err), (msg), (func)); \
487 __td_verror((td)->parent, (err), (msg), (func)); \
490 #define __fio_stringify_1(x) #x
491 #define __fio_stringify(x) __fio_stringify_1(x)
493 extern int exitall_on_terminate;
494 extern unsigned int thread_number;
495 extern unsigned int stat_number;
498 extern int output_format;
499 extern int append_terse_output;
500 extern int temp_stall_ts;
501 extern uintptr_t page_mask, page_size;
502 extern int read_only;
503 extern int eta_print;
504 extern int eta_new_line;
505 extern unsigned long done_secs;
506 extern int fio_gtod_offload;
507 extern int fio_gtod_cpu;
508 extern enum fio_cs fio_clock_source;
509 extern int fio_clock_source_set;
510 extern int warnings_fatal;
511 extern int terse_version;
512 extern int is_backend;
513 extern int nr_clients;
514 extern int log_syslog;
515 extern int status_interval;
516 extern const char fio_version_string[];
517 extern char *trigger_file;
518 extern char *trigger_cmd;
519 extern char *trigger_remote_cmd;
520 extern long long trigger_timeout;
521 extern char *aux_path;
523 extern struct thread_data *threads;
525 static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
527 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
530 #define REAL_MAX_JOBS 4096
532 static inline int should_fsync(struct thread_data *td)
534 if (td->last_was_sync)
536 if (td_write(td) || td->o.override_sync)
543 * Init/option functions
545 extern int __must_check fio_init_options(void);
546 extern int __must_check parse_options(int, char **);
547 extern int parse_jobs_ini(char *, int, int, int);
548 extern int parse_cmd_line(int, char **, int);
549 extern int fio_backend(struct sk_out *);
550 extern void reset_fio_state(void);
551 extern void clear_io_state(struct thread_data *, int);
552 extern int fio_options_parse(struct thread_data *, char **, int);
553 extern void fio_keywords_init(void);
554 extern void fio_keywords_exit(void);
555 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
556 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
557 extern void fio_fill_default_options(struct thread_data *);
558 extern int fio_show_option_help(const char *);
559 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
560 extern void fio_options_dup_and_init(struct option *);
561 extern void fio_options_mem_dupe(struct thread_data *);
562 extern void td_fill_rand_seeds(struct thread_data *);
563 extern void td_fill_verify_state_seed(struct thread_data *);
564 extern void add_job_opts(const char **, int);
565 extern int ioengine_load(struct thread_data *);
566 extern bool parse_dryrun(void);
567 extern int fio_running_or_pending_io_threads(void);
568 extern int fio_set_fd_nonblocking(int, const char *);
569 extern void sig_show_status(int sig);
570 extern struct thread_data *get_global_options(void);
572 extern uintptr_t page_mask;
573 extern uintptr_t page_size;
574 extern int initialize_fio(char *envp[]);
575 extern void deinitialize_fio(void);
577 #define FIO_GETOPT_JOB 0x89000000
578 #define FIO_GETOPT_IOENGINE 0x98000000
579 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
584 extern void print_thread_status(void);
585 extern void print_status_init(int);
586 extern char *fio_uint_to_kmg(unsigned int val);
589 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
590 * will never back again. It may cycle between running/verififying/fsyncing.
591 * Once the thread reaches TD_EXITED, it is just waiting for the core to
611 #define TD_ENG_FLAG_SHIFT 16
612 #define TD_ENG_FLAG_MASK ((1U << 16) - 1)
614 static inline void td_set_ioengine_flags(struct thread_data *td)
616 td->flags = (~(TD_ENG_FLAG_MASK << TD_ENG_FLAG_SHIFT) & td->flags) |
617 (td->io_ops->flags << TD_ENG_FLAG_SHIFT);
620 static inline bool td_ioengine_flagged(struct thread_data *td,
621 enum fio_ioengine_flags flags)
623 return ((td->flags >> TD_ENG_FLAG_SHIFT) & flags) != 0;
626 extern void td_set_runstate(struct thread_data *, int);
627 extern int td_bump_runstate(struct thread_data *, int);
628 extern void td_restore_runstate(struct thread_data *, int);
629 extern const char *runstate_to_name(int runstate);
632 * Allow 60 seconds for a job to quit on its own, otherwise reap with
635 #define FIO_REAP_TIMEOUT 300
637 #define TERMINATE_ALL (-1U)
638 extern void fio_terminate_threads(unsigned int);
639 extern void fio_mark_td_terminate(struct thread_data *);
644 extern int __must_check fio_pin_memory(struct thread_data *);
645 extern void fio_unpin_memory(struct thread_data *);
646 extern int __must_check allocate_io_mem(struct thread_data *);
647 extern void free_io_mem(struct thread_data *);
648 extern void free_threads_shm(void);
651 #define PTR_ALIGN(ptr, mask) \
652 (char *) (((uintptr_t) (ptr) + (mask)) & ~(mask))
656 * Reset stats after ramp time completes
658 extern void reset_all_stats(struct thread_data *);
660 extern int io_queue_event(struct thread_data *td, struct io_u *io_u, int *ret,
661 enum fio_ddir ddir, uint64_t *bytes_issued, int from_verify,
662 struct timespec *comp_time);
665 * Latency target helpers
667 extern void lat_target_check(struct thread_data *);
668 extern void lat_target_init(struct thread_data *);
669 extern void lat_target_reset(struct thread_data *);
672 * Iterates all threads/processes within all the defined jobs
674 #define for_each_td(td, i) \
675 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
676 #define for_each_file(td, f, i) \
677 if ((td)->files_index) \
678 for ((i) = 0, (f) = (td)->files[0]; \
679 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
682 #define fio_assert(td, cond) do { \
685 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
686 td_set_runstate((td), TD_EXITED); \
687 (td)->error = EFAULT; \
692 static inline bool fio_fill_issue_time(struct thread_data *td)
694 if (td->o.read_iolog_file ||
695 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
701 static inline bool __should_check_rate(struct thread_data *td,
704 struct thread_options *o = &td->o;
707 * If some rate setting was given, we need to check it
709 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
710 o->rate_iops_min[ddir])
716 static inline bool should_check_rate(struct thread_data *td)
718 if (td->bytes_done[DDIR_READ] && __should_check_rate(td, DDIR_READ))
720 if (td->bytes_done[DDIR_WRITE] && __should_check_rate(td, DDIR_WRITE))
722 if (td->bytes_done[DDIR_TRIM] && __should_check_rate(td, DDIR_TRIM))
728 static inline unsigned int td_max_bs(struct thread_data *td)
732 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
733 return max(td->o.max_bs[DDIR_TRIM], max_bs);
736 static inline unsigned int td_min_bs(struct thread_data *td)
740 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
741 return min(td->o.min_bs[DDIR_TRIM], min_bs);
744 static inline bool td_async_processing(struct thread_data *td)
746 return (td->flags & TD_F_NEED_LOCK) != 0;
750 * We currently only need to do locking if we have verifier threads
751 * accessing our internal structures too
753 static inline void td_io_u_lock(struct thread_data *td)
755 if (td_async_processing(td))
756 pthread_mutex_lock(&td->io_u_lock);
759 static inline void td_io_u_unlock(struct thread_data *td)
761 if (td_async_processing(td))
762 pthread_mutex_unlock(&td->io_u_lock);
765 static inline void td_io_u_free_notify(struct thread_data *td)
767 if (td_async_processing(td))
768 pthread_cond_signal(&td->free_cond);
771 static inline void td_flags_clear(struct thread_data *td, unsigned int *flags,
774 if (!td_async_processing(td))
777 __sync_fetch_and_and(flags, ~value);
780 static inline void td_flags_set(struct thread_data *td, unsigned int *flags,
783 if (!td_async_processing(td))
786 __sync_fetch_and_or(flags, value);
789 extern const char *fio_get_arch_string(int);
790 extern const char *fio_get_os_string(int);
793 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
794 #define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
798 __FIO_OUTPUT_TERSE = 0,
799 __FIO_OUTPUT_JSON = 1,
800 __FIO_OUTPUT_NORMAL = 2,
801 __FIO_OUTPUT_JSON_PLUS = 3,
804 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
805 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
806 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
807 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
811 FIO_RAND_DIST_RANDOM = 0,
813 FIO_RAND_DIST_PARETO,
818 #define FIO_DEF_ZIPF 1.1
819 #define FIO_DEF_PARETO 0.2
822 FIO_RAND_GEN_TAUSWORTHE = 0,
824 FIO_RAND_GEN_TAUSWORTHE64,
832 extern void exec_trigger(const char *);
833 extern void check_trigger_file(void);