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"
44 #ifdef CONFIG_SOLARISAIO
45 #include <sys/asynch.h>
49 #include <linux/mempolicy.h>
53 * "local" is pseudo-policy
55 #define MPOL_LOCAL MPOL_MAX
59 * offset generator types
68 TD_F_TRIM_BACKLOG = 2,
70 TD_F_REFILL_BUFFERS = 8,
71 TD_F_SCRAMBLE_BUFFERS = 16,
73 TD_F_PROFILE_OPS = 64,
82 FIO_RAND_FILE_SIZE_OFF,
85 FIO_RAND_SEQ_RAND_READ_OFF,
86 FIO_RAND_SEQ_RAND_WRITE_OFF,
87 FIO_RAND_SEQ_RAND_TRIM_OFF,
92 * This describes a single thread/process executing a fio job.
95 struct thread_options o;
98 char verror[FIO_VERROR_SIZE];
100 unsigned int thread_number;
101 unsigned int groupid;
102 struct thread_stat ts;
106 struct io_log *slat_log;
107 struct io_log *clat_log;
108 struct io_log *lat_log;
109 struct io_log *bw_log;
110 struct io_log *iops_log;
112 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
113 struct timeval bw_sample_time;
115 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
116 struct timeval iops_sample_time;
118 volatile int update_rusage;
119 struct fio_mutex *rusage_sem;
120 struct rusage ru_start;
121 struct rusage ru_end;
123 struct fio_file **files;
124 unsigned char *file_locks;
125 unsigned int files_size;
126 unsigned int files_index;
127 unsigned int nr_open_files;
128 unsigned int nr_done_files;
129 unsigned int nr_normal_files;
131 unsigned int next_file;
132 os_random_state_t next_file_state;
133 struct frand_state __next_file_state;
140 size_t orig_buffer_size;
141 volatile int terminate;
142 volatile int runstate;
143 unsigned int last_was_sync;
144 enum fio_ddir last_ddir;
153 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
156 os_random_state_t bsrange_state;
157 struct frand_state __bsrange_state;
160 os_random_state_t verify_state;
161 struct frand_state __verify_state;
164 os_random_state_t trim_state;
165 struct frand_state __trim_state;
168 struct frand_state buf_state;
170 unsigned int verify_batch;
171 unsigned int trim_batch;
176 * IO engine hooks, contains everything needed to submit an io_u
177 * to any of the available IO engines.
179 struct ioengine_ops *io_ops;
182 * Queue depth of io_u's that fio MIGHT do
184 unsigned int cur_depth;
187 * io_u's about to be committed
189 unsigned int io_u_queued;
192 * io_u's submitted but not completed yet
194 unsigned int io_u_in_flight;
197 * List of free and busy io_u's
199 struct io_u_ring io_u_requeues;
200 struct io_u_queue io_u_freelist;
201 struct io_u_queue io_u_all;
202 pthread_mutex_t io_u_lock;
203 pthread_cond_t free_cond;
206 * async verify offload
208 struct flist_head verify_list;
209 pthread_t *verify_threads;
210 unsigned int nr_verify_threads;
211 pthread_cond_t verify_cond;
212 int verify_thread_exit;
217 uint64_t rate_bps[DDIR_RWDIR_CNT];
218 long rate_pending_usleep[DDIR_RWDIR_CNT];
219 unsigned long rate_bytes[DDIR_RWDIR_CNT];
220 unsigned long rate_blocks[DDIR_RWDIR_CNT];
221 struct timeval lastrate[DDIR_RWDIR_CNT];
223 uint64_t total_io_size;
224 uint64_t fill_device_size;
226 unsigned long io_issues[DDIR_RWDIR_CNT];
227 uint64_t io_blocks[DDIR_RWDIR_CNT];
228 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
229 uint64_t io_bytes[DDIR_RWDIR_CNT];
230 uint64_t io_skip_bytes;
231 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
233 struct fio_mutex *mutex;
236 * State for random io, a bitmap of blocks done vs not done
239 os_random_state_t random_state;
240 struct frand_state __random_state;
243 struct timeval start; /* start of this loop */
244 struct timeval epoch; /* time job was started */
245 struct timeval last_issue;
246 struct timeval tv_cache;
247 unsigned int tv_cache_nr;
248 unsigned int tv_cache_mask;
249 unsigned int ramp_time_over;
252 * read/write mixed workload state
255 os_random_state_t rwmix_state;
256 struct frand_state __rwmix_state;
258 unsigned long rwmix_issues;
259 enum fio_ddir rwmix_ddir;
260 unsigned int ddir_seq_nr;
263 * rand/seq mixed workload state
266 os_random_state_t seq_rand_state[DDIR_RWDIR_CNT];
267 struct frand_state __seq_rand_state[DDIR_RWDIR_CNT];
271 * IO history logs for verification. We use a tree for sorting,
272 * if we are overwriting. Otherwise just use a fifo.
274 struct rb_root io_hist_tree;
275 struct flist_head io_hist_list;
276 unsigned long io_hist_len;
281 struct flist_head io_log_list;
284 * For tracking/handling discards
286 struct flist_head trim_list;
287 unsigned long trim_entries;
289 struct flist_head next_rand_list;
292 * for fileservice, how often to switch to a new file
294 unsigned int file_service_nr;
295 unsigned int file_service_left;
296 struct fio_file *file_service_file;
298 unsigned int sync_file_range_nr;
301 * For generating file sizes
304 os_random_state_t file_size_state;
305 struct frand_state __file_size_state;
311 unsigned int total_err_count;
314 struct fio_flow *flow;
317 * Can be overloaded by profiles
319 struct prof_io_ops prof_io_ops;
326 * when should interactive ETA output be generated
334 #define __td_verror(td, err, msg, func) \
340 if (!(td)->first_error) \
341 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
345 #define td_clear_error(td) \
347 #define td_verror(td, err, func) \
348 __td_verror((td), (err), strerror((err)), (func))
349 #define td_vmsg(td, err, msg, func) \
350 __td_verror((td), (err), (msg), (func))
352 #define __fio_stringify_1(x) #x
353 #define __fio_stringify(x) __fio_stringify_1(x)
355 extern int exitall_on_terminate;
356 extern unsigned int thread_number;
357 extern unsigned int stat_number;
360 extern int output_format;
361 extern int temp_stall_ts;
362 extern uintptr_t page_mask, page_size;
363 extern int read_only;
364 extern int eta_print;
365 extern int eta_new_line;
366 extern unsigned long done_secs;
367 extern char *job_section;
368 extern int fio_gtod_offload;
369 extern int fio_gtod_cpu;
370 extern enum fio_cs fio_clock_source;
371 extern int fio_clock_source_set;
372 extern int warnings_fatal;
373 extern int terse_version;
374 extern int is_backend;
375 extern int nr_clients;
376 extern int log_syslog;
377 extern int status_interval;
378 extern const char fio_version_string[];
380 extern struct thread_data *threads;
382 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
384 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
387 #define REAL_MAX_JOBS 2048
389 static inline int should_fsync(struct thread_data *td)
391 if (td->last_was_sync)
393 if (td_write(td) || td_rw(td) || td->o.override_sync)
400 * Init/option functions
402 extern int __must_check fio_init_options(void);
403 extern int __must_check parse_options(int, char **);
404 extern int parse_jobs_ini(char *, int, int, int);
405 extern int parse_cmd_line(int, char **, int);
406 extern int fio_backend(void);
407 extern void reset_fio_state(void);
408 extern void clear_io_state(struct thread_data *);
409 extern int fio_options_parse(struct thread_data *, char **, int);
410 extern void fio_keywords_init(void);
411 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
412 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
413 extern void fio_fill_default_options(struct thread_data *);
414 extern int fio_show_option_help(const char *);
415 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
416 extern void fio_options_dup_and_init(struct option *);
417 extern void fio_options_mem_dupe(struct thread_data *);
418 extern void options_mem_dupe(void *data, struct fio_option *options);
419 extern void td_fill_rand_seeds(struct thread_data *);
420 extern void add_job_opts(const char **, int);
421 extern char *num2str(unsigned long, int, int, int, int);
422 extern int ioengine_load(struct thread_data *);
424 extern uintptr_t page_mask;
425 extern uintptr_t page_size;
426 extern int initialize_fio(char *envp[]);
428 #define FIO_GETOPT_JOB 0x89000000
429 #define FIO_GETOPT_IOENGINE 0x98000000
430 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
435 extern void print_thread_status(void);
436 extern void print_status_init(int);
437 extern char *fio_uint_to_kmg(unsigned int val);
440 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
441 * will never back again. It may cycle between running/verififying/fsyncing.
442 * Once the thread reaches TD_EXITED, it is just waiting for the core to
459 extern void td_set_runstate(struct thread_data *, int);
460 #define TERMINATE_ALL (-1)
461 extern void fio_terminate_threads(int);
466 extern int __must_check fio_pin_memory(struct thread_data *);
467 extern void fio_unpin_memory(struct thread_data *);
468 extern int __must_check allocate_io_mem(struct thread_data *);
469 extern void free_io_mem(struct thread_data *);
470 extern void free_threads_shm(void);
473 * Reset stats after ramp time completes
475 extern void reset_all_stats(struct thread_data *);
480 #ifdef FIO_HAVE_BLKTRACE
481 extern int is_blktrace(const char *);
482 extern int load_blktrace(struct thread_data *, const char *);
485 #define for_each_td(td, i) \
486 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
487 #define for_each_file(td, f, i) \
488 if ((td)->files_index) \
489 for ((i) = 0, (f) = (td)->files[0]; \
490 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
493 #define fio_assert(td, cond) do { \
496 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
497 td_set_runstate((td), TD_EXITED); \
498 (td)->error = EFAULT; \
503 static inline int fio_fill_issue_time(struct thread_data *td)
505 if (td->o.read_iolog_file ||
506 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
512 static inline int __should_check_rate(struct thread_data *td,
515 struct thread_options *o = &td->o;
518 * If some rate setting was given, we need to check it
520 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
521 o->rate_iops_min[ddir])
527 static inline int should_check_rate(struct thread_data *td,
528 uint64_t *bytes_done)
532 if (bytes_done[DDIR_READ])
533 ret |= __should_check_rate(td, DDIR_READ);
534 if (bytes_done[DDIR_WRITE])
535 ret |= __should_check_rate(td, DDIR_WRITE);
536 if (bytes_done[DDIR_TRIM])
537 ret |= __should_check_rate(td, DDIR_TRIM);
542 static inline unsigned int td_max_bs(struct thread_data *td)
546 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
547 return max(td->o.max_bs[DDIR_TRIM], max_bs);
550 static inline unsigned int td_min_bs(struct thread_data *td)
554 min_bs = min(td->o.min_bs[DDIR_READ], td->o.min_bs[DDIR_WRITE]);
555 return min(td->o.min_bs[DDIR_TRIM], min_bs);
558 static inline int is_power_of_2(unsigned int val)
560 return (val != 0 && ((val & (val - 1)) == 0));
564 * We currently only need to do locking if we have verifier threads
565 * accessing our internal structures too
567 static inline void td_io_u_lock(struct thread_data *td)
569 if (td->o.verify_async)
570 pthread_mutex_lock(&td->io_u_lock);
573 static inline void td_io_u_unlock(struct thread_data *td)
575 if (td->o.verify_async)
576 pthread_mutex_unlock(&td->io_u_lock);
579 static inline void td_io_u_free_notify(struct thread_data *td)
581 if (td->o.verify_async)
582 pthread_cond_signal(&td->free_cond);
585 extern const char *fio_get_arch_string(int);
586 extern const char *fio_get_os_string(int);
588 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
591 FIO_OUTPUT_TERSE = 0,
597 FIO_RAND_DIST_RANDOM = 0,
599 FIO_RAND_DIST_PARETO,
603 FIO_RAND_GEN_TAUSWORTHE = 0,