8 #include <sys/resource.h>
17 #include "compiler/compiler.h"
18 #include "thread_options.h"
21 #include "arch/arch.h"
35 #include "lib/getopt.h"
37 #include "lib/rbtree.h"
42 #include "io_u_queue.h"
43 #include "workqueue.h"
45 #ifdef CONFIG_SOLARISAIO
46 #include <sys/asynch.h>
50 #include <linux/mempolicy.h>
54 * "local" is pseudo-policy
56 #define MPOL_LOCAL MPOL_MAX
60 * offset generator types
68 TD_F_VER_BACKLOG = 1U << 0,
69 TD_F_TRIM_BACKLOG = 1U << 1,
70 TD_F_READ_IOLOG = 1U << 2,
71 TD_F_REFILL_BUFFERS = 1U << 3,
72 TD_F_SCRAMBLE_BUFFERS = 1U << 4,
73 TD_F_VER_NONE = 1U << 5,
74 TD_F_PROFILE_OPS = 1U << 6,
75 TD_F_COMPRESS = 1U << 7,
77 TD_F_COMPRESS_LOG = 1U << 9,
78 TD_F_VSTATE_SAVED = 1U << 10,
79 TD_F_NEED_LOCK = 1U << 11,
80 TD_F_CHILD = 1U << 12,
81 TD_F_NO_PROGRESS = 1U << 13,
90 FIO_RAND_FILE_SIZE_OFF,
93 FIO_RAND_SEQ_RAND_READ_OFF,
94 FIO_RAND_SEQ_RAND_WRITE_OFF,
95 FIO_RAND_SEQ_RAND_TRIM_OFF,
108 * This describes a single thread/process executing a fio job.
111 struct thread_options o;
114 char verror[FIO_VERROR_SIZE];
116 unsigned int thread_number;
117 unsigned int subjob_number;
118 unsigned int groupid;
119 struct thread_stat ts;
123 struct io_log *slat_log;
124 struct io_log *clat_log;
125 struct io_log *lat_log;
126 struct io_log *bw_log;
127 struct io_log *iops_log;
129 struct tp_data *tp_data;
131 struct thread_data *parent;
133 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
134 struct timeval bw_sample_time;
136 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
137 struct timeval iops_sample_time;
140 * Tracks the last iodepth number of completed writes, if data
141 * verification is enabled
143 uint64_t *last_write_comp;
144 unsigned int last_write_idx;
146 volatile int update_rusage;
147 struct fio_mutex *rusage_sem;
148 struct rusage ru_start;
149 struct rusage ru_end;
151 struct fio_file **files;
152 unsigned char *file_locks;
153 unsigned int files_size;
154 unsigned int files_index;
155 unsigned int nr_open_files;
156 unsigned int nr_done_files;
157 unsigned int nr_normal_files;
159 unsigned int next_file;
160 struct frand_state next_file_state;
168 size_t orig_buffer_size;
169 volatile int terminate;
170 volatile int runstate;
171 unsigned int last_was_sync;
172 enum fio_ddir last_ddir;
181 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
183 struct frand_state bsrange_state;
184 struct frand_state verify_state;
185 struct frand_state trim_state;
186 struct frand_state delay_state;
188 struct frand_state buf_state;
189 struct frand_state buf_state_prev;
190 struct frand_state dedupe_state;
192 unsigned int verify_batch;
193 unsigned int trim_batch;
195 struct thread_io_list *vstate;
200 * IO engine hooks, contains everything needed to submit an io_u
201 * to any of the available IO engines.
203 struct ioengine_ops *io_ops;
206 * Queue depth of io_u's that fio MIGHT do
208 unsigned int cur_depth;
211 * io_u's about to be committed
213 unsigned int io_u_queued;
216 * io_u's submitted but not completed yet
218 unsigned int io_u_in_flight;
221 * List of free and busy io_u's
223 struct io_u_ring io_u_requeues;
224 struct io_u_queue io_u_freelist;
225 struct io_u_queue io_u_all;
226 pthread_mutex_t io_u_lock;
227 pthread_cond_t free_cond;
230 * async verify offload
232 struct flist_head verify_list;
233 pthread_t *verify_threads;
234 unsigned int nr_verify_threads;
235 pthread_cond_t verify_cond;
236 int verify_thread_exit;
241 uint64_t rate_bps[DDIR_RWDIR_CNT];
242 unsigned long rate_next_io_time[DDIR_RWDIR_CNT];
243 unsigned long rate_bytes[DDIR_RWDIR_CNT];
244 unsigned long rate_blocks[DDIR_RWDIR_CNT];
245 unsigned long rate_io_issue_bytes[DDIR_RWDIR_CNT];
246 struct timeval lastrate[DDIR_RWDIR_CNT];
248 struct frand_state poisson_state;
251 * Enforced rate submission/completion workqueue
253 struct workqueue io_wq;
255 uint64_t total_io_size;
256 uint64_t fill_device_size;
261 uint64_t io_issues[DDIR_RWDIR_CNT];
262 uint64_t io_issue_bytes[DDIR_RWDIR_CNT];
268 uint64_t io_blocks[DDIR_RWDIR_CNT];
269 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
270 uint64_t io_bytes[DDIR_RWDIR_CNT];
271 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
272 uint64_t io_skip_bytes;
274 struct fio_mutex *mutex;
275 uint64_t bytes_done[DDIR_RWDIR_CNT];
278 * State for random io, a bitmap of blocks done vs not done
280 struct frand_state random_state;
282 struct timeval start; /* start of this loop */
283 struct timeval epoch; /* time job was started */
284 struct timeval last_issue;
286 struct timeval tv_cache;
287 struct timeval terminate_time;
288 unsigned int tv_cache_nr;
289 unsigned int tv_cache_mask;
290 unsigned int ramp_time_over;
293 * Time since last latency_window was started
295 struct timeval latency_ts;
296 unsigned int latency_qd;
297 unsigned int latency_qd_high;
298 unsigned int latency_qd_low;
299 unsigned int latency_failed;
300 uint64_t latency_ios;
304 * read/write mixed workload state
306 struct frand_state rwmix_state;
307 unsigned long rwmix_issues;
308 enum fio_ddir rwmix_ddir;
309 unsigned int ddir_seq_nr;
312 * rand/seq mixed workload state
314 struct frand_state seq_rand_state[DDIR_RWDIR_CNT];
317 * IO history logs for verification. We use a tree for sorting,
318 * if we are overwriting. Otherwise just use a fifo.
320 struct rb_root io_hist_tree;
321 struct flist_head io_hist_list;
322 unsigned long io_hist_len;
327 struct flist_head io_log_list;
330 * For tracking/handling discards
332 struct flist_head trim_list;
333 unsigned long trim_entries;
335 struct flist_head next_rand_list;
338 * for fileservice, how often to switch to a new file
340 unsigned int file_service_nr;
341 unsigned int file_service_left;
342 struct fio_file *file_service_file;
344 unsigned int sync_file_range_nr;
347 * For generating file sizes
349 struct frand_state file_size_state;
354 unsigned int total_err_count;
357 struct fio_flow *flow;
360 * Can be overloaded by profiles
362 struct prof_io_ops prof_io_ops;
369 * when should interactive ETA output be generated
377 #define __td_verror(td, err, msg, func) \
379 unsigned int ____e = (err); \
382 (td)->error = ____e; \
383 if (!(td)->first_error) \
384 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
388 #define td_clear_error(td) do { \
391 (td)->parent->error = 0; \
394 #define td_verror(td, err, func) do { \
395 __td_verror((td), (err), strerror((err)), (func)); \
397 __td_verror((td)->parent, (err), strerror((err)), (func)); \
400 #define td_vmsg(td, err, msg, func) do { \
401 __td_verror((td), (err), (msg), (func)); \
403 __td_verror((td)->parent, (err), (msg), (func)); \
406 #define __fio_stringify_1(x) #x
407 #define __fio_stringify(x) __fio_stringify_1(x)
409 extern int exitall_on_terminate;
410 extern unsigned int thread_number;
411 extern unsigned int stat_number;
414 extern int output_format;
415 extern int append_terse_output;
416 extern int temp_stall_ts;
417 extern uintptr_t page_mask, page_size;
418 extern int read_only;
419 extern int eta_print;
420 extern int eta_new_line;
421 extern unsigned long done_secs;
422 extern char *job_section;
423 extern int fio_gtod_offload;
424 extern int fio_gtod_cpu;
425 extern enum fio_cs fio_clock_source;
426 extern int fio_clock_source_set;
427 extern int warnings_fatal;
428 extern int terse_version;
429 extern int is_backend;
430 extern int nr_clients;
431 extern int log_syslog;
432 extern int status_interval;
433 extern const char fio_version_string[];
434 extern int helper_do_stat;
435 extern pthread_cond_t helper_cond;
436 extern char *trigger_file;
437 extern char *trigger_cmd;
438 extern char *trigger_remote_cmd;
439 extern long long trigger_timeout;
440 extern char *aux_path;
442 extern struct thread_data *threads;
444 static inline void fio_ro_check(const struct thread_data *td, struct io_u *io_u)
446 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
449 #define REAL_MAX_JOBS 2048
451 static inline int should_fsync(struct thread_data *td)
453 if (td->last_was_sync)
455 if (td_write(td) || td_rw(td) || td->o.override_sync)
462 * Init/option functions
464 extern int __must_check fio_init_options(void);
465 extern int __must_check parse_options(int, char **);
466 extern int parse_jobs_ini(char *, int, int, int);
467 extern int parse_cmd_line(int, char **, int);
468 extern int fio_backend(void);
469 extern void reset_fio_state(void);
470 extern void clear_io_state(struct thread_data *, int);
471 extern int fio_options_parse(struct thread_data *, char **, int, int);
472 extern void fio_keywords_init(void);
473 extern void fio_keywords_exit(void);
474 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
475 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
476 extern void fio_fill_default_options(struct thread_data *);
477 extern int fio_show_option_help(const char *);
478 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
479 extern void fio_options_dup_and_init(struct option *);
480 extern void fio_options_mem_dupe(struct thread_data *);
481 extern void options_mem_dupe(void *data, struct fio_option *options);
482 extern void td_fill_rand_seeds(struct thread_data *);
483 extern void add_job_opts(const char **, int);
484 extern char *num2str(uint64_t, int, int, int, int);
485 extern int ioengine_load(struct thread_data *);
486 extern int parse_dryrun(void);
487 extern int fio_running_or_pending_io_threads(void);
488 extern int fio_set_fd_nonblocking(int, const char *);
489 extern void sig_show_status(int sig);
491 extern uintptr_t page_mask;
492 extern uintptr_t page_size;
493 extern int initialize_fio(char *envp[]);
494 extern void deinitialize_fio(void);
496 #define FIO_GETOPT_JOB 0x89000000
497 #define FIO_GETOPT_IOENGINE 0x98000000
498 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
503 extern void print_thread_status(void);
504 extern void print_status_init(int);
505 extern char *fio_uint_to_kmg(unsigned int val);
508 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
509 * will never back again. It may cycle between running/verififying/fsyncing.
510 * Once the thread reaches TD_EXITED, it is just waiting for the core to
529 extern void td_set_runstate(struct thread_data *, int);
530 extern int td_bump_runstate(struct thread_data *, int);
531 extern void td_restore_runstate(struct thread_data *, int);
534 * Allow 60 seconds for a job to quit on its own, otherwise reap with
537 #define FIO_REAP_TIMEOUT 60
539 #define TERMINATE_ALL (-1)
540 extern void fio_terminate_threads(int);
541 extern void fio_mark_td_terminate(struct thread_data *);
546 extern int __must_check fio_pin_memory(struct thread_data *);
547 extern void fio_unpin_memory(struct thread_data *);
548 extern int __must_check allocate_io_mem(struct thread_data *);
549 extern void free_io_mem(struct thread_data *);
550 extern void free_threads_shm(void);
553 * Reset stats after ramp time completes
555 extern void reset_all_stats(struct thread_data *);
560 #ifdef FIO_HAVE_BLKTRACE
561 extern int is_blktrace(const char *, int *);
562 extern int load_blktrace(struct thread_data *, const char *, int);
566 * Latency target helpers
568 extern void lat_target_check(struct thread_data *);
569 extern void lat_target_init(struct thread_data *);
570 extern void lat_target_reset(struct thread_data *);
572 #define for_each_td(td, i) \
573 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
574 #define for_each_file(td, f, i) \
575 if ((td)->files_index) \
576 for ((i) = 0, (f) = (td)->files[0]; \
577 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
580 #define fio_assert(td, cond) do { \
583 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
584 td_set_runstate((td), TD_EXITED); \
585 (td)->error = EFAULT; \
590 static inline int fio_fill_issue_time(struct thread_data *td)
592 if (td->o.read_iolog_file ||
593 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
599 static inline int __should_check_rate(struct thread_data *td,
602 struct thread_options *o = &td->o;
605 * If some rate setting was given, we need to check it
607 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
608 o->rate_iops_min[ddir])
614 static inline int should_check_rate(struct thread_data *td)
618 if (td->bytes_done[DDIR_READ])
619 ret |= __should_check_rate(td, DDIR_READ);
620 if (td->bytes_done[DDIR_WRITE])
621 ret |= __should_check_rate(td, DDIR_WRITE);
622 if (td->bytes_done[DDIR_TRIM])
623 ret |= __should_check_rate(td, DDIR_TRIM);
628 static inline unsigned int td_max_bs(struct thread_data *td)
632 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
633 return max(td->o.max_bs[DDIR_TRIM], max_bs);
636 static inline unsigned int td_min_bs(struct thread_data *td)
640 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
641 return min(td->o.min_bs[DDIR_TRIM], min_bs);
644 static inline int td_async_processing(struct thread_data *td)
646 return (td->flags & TD_F_NEED_LOCK) != 0;
650 * We currently only need to do locking if we have verifier threads
651 * accessing our internal structures too
653 static inline void td_io_u_lock(struct thread_data *td)
655 if (td_async_processing(td))
656 pthread_mutex_lock(&td->io_u_lock);
659 static inline void td_io_u_unlock(struct thread_data *td)
661 if (td_async_processing(td))
662 pthread_mutex_unlock(&td->io_u_lock);
665 static inline void td_io_u_free_notify(struct thread_data *td)
667 if (td_async_processing(td))
668 pthread_cond_signal(&td->free_cond);
671 extern const char *fio_get_arch_string(int);
672 extern const char *fio_get_os_string(int);
675 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
676 #define FIELD_SIZE(s, f) (sizeof(((typeof(s))0)->f))
680 __FIO_OUTPUT_TERSE = 0,
681 __FIO_OUTPUT_JSON = 1,
682 __FIO_OUTPUT_NORMAL = 2,
683 __FIO_OUTPUT_JSON_PLUS = 3,
686 FIO_OUTPUT_TERSE = 1U << __FIO_OUTPUT_TERSE,
687 FIO_OUTPUT_JSON = 1U << __FIO_OUTPUT_JSON,
688 FIO_OUTPUT_NORMAL = 1U << __FIO_OUTPUT_NORMAL,
689 FIO_OUTPUT_JSON_PLUS = 1U << __FIO_OUTPUT_JSON_PLUS,
693 FIO_RAND_DIST_RANDOM = 0,
695 FIO_RAND_DIST_PARETO,
699 #define FIO_DEF_ZIPF 1.1
700 #define FIO_DEF_PARETO 0.2
703 FIO_RAND_GEN_TAUSWORTHE = 0,
705 FIO_RAND_GEN_TAUSWORTHE64,
713 extern void exec_trigger(const char *);
714 extern void check_trigger_file(void);