8 #include <sys/resource.h>
18 #include "compiler/compiler.h"
22 #include "arch/arch.h"
36 #ifdef FIO_HAVE_SOLARISAIO
37 #include <sys/asynch.h>
40 struct group_run_stats {
41 unsigned long long max_run[2], min_run[2];
42 unsigned long long max_bw[2], min_bw[2];
43 unsigned long long io_kb[2];
44 unsigned long long agg[2];
49 * What type of allocation to use for io buffers
52 MEM_MALLOC = 0, /* ordinary malloc */
53 MEM_SHM, /* use shared memory segments */
54 MEM_SHMHUGE, /* use shared memory segments with huge pages */
55 MEM_MMAP, /* use anonynomous mmap */
56 MEM_MMAPHUGE, /* memory mapped huge file */
60 * How many depth levels to log
62 #define FIO_IO_U_MAP_NR 8
63 #define FIO_IO_U_LAT_U_NR 10
64 #define FIO_IO_U_LAT_M_NR 12
66 #define MAX_PATTERN_SIZE 512
77 struct io_log *slat_log;
78 struct io_log *clat_log;
79 struct io_log *bw_log;
82 * bandwidth and latency stats
84 struct io_stat clat_stat[2]; /* completion latency */
85 struct io_stat slat_stat[2]; /* submission latency */
86 struct io_stat bw_stat[2]; /* bandwidth stats */
88 unsigned long long stat_io_bytes[2];
89 struct timeval stat_sample_time[2];
92 * fio system usage accounting
94 struct rusage ru_start;
96 unsigned long usr_time;
97 unsigned long sys_time;
99 unsigned long minf, majf;
102 * IO depth and latency stats
104 unsigned int io_u_map[FIO_IO_U_MAP_NR];
105 unsigned int io_u_submit[FIO_IO_U_MAP_NR];
106 unsigned int io_u_complete[FIO_IO_U_MAP_NR];
107 unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
108 unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
109 unsigned long total_io_u[2];
110 unsigned long short_io_u[2];
111 unsigned long total_submit;
112 unsigned long total_complete;
114 unsigned long long io_bytes[2];
115 unsigned long runtime[2];
116 unsigned long total_run_time;
119 * IO Error related stats
121 unsigned continue_on_error;
122 unsigned long total_err_count;
125 unsigned int kb_base;
133 struct thread_options {
141 enum td_ddir td_ddir;
142 unsigned int kb_base;
143 unsigned int ddir_nr;
144 unsigned int iodepth;
145 unsigned int iodepth_low;
146 unsigned int iodepth_batch;
147 unsigned int iodepth_batch_complete;
149 unsigned long long size;
150 unsigned int fill_device;
151 unsigned long long file_size_low;
152 unsigned long long file_size_high;
153 unsigned long long start_offset;
157 unsigned int min_bs[2];
158 unsigned int max_bs[2];
159 struct bssplit *bssplit[2];
160 unsigned int bssplit_nr[2];
162 unsigned int nr_files;
163 unsigned int open_files;
164 enum file_lock_mode file_lock_mode;
165 unsigned int lockfile_batch;
167 unsigned int odirect;
168 unsigned int invalidate_cache;
169 unsigned int create_serialize;
170 unsigned int create_fsync;
171 unsigned int create_on_open;
172 unsigned int end_fsync;
173 unsigned int pre_read;
174 unsigned int sync_io;
176 unsigned int do_verify;
177 unsigned int verifysort;
178 unsigned int verify_interval;
179 unsigned int verify_offset;
180 char verify_pattern[MAX_PATTERN_SIZE];
181 unsigned int verify_pattern_bytes;
182 unsigned int verify_fatal;
183 unsigned int verify_async;
184 unsigned int use_thread;
186 unsigned int do_disk_util;
187 unsigned int override_sync;
188 unsigned int rand_repeatable;
189 unsigned int write_lat_log;
190 unsigned int write_bw_log;
191 unsigned int norandommap;
192 unsigned int softrandommap;
193 unsigned int bs_unaligned;
194 unsigned int fsync_on_close;
196 unsigned int hugepage_size;
197 unsigned int rw_min_bs;
198 unsigned int thinktime;
199 unsigned int thinktime_spin;
200 unsigned int thinktime_blocks;
201 unsigned int fsync_blocks;
202 unsigned int fdatasync_blocks;
203 unsigned int start_delay;
204 unsigned long long timeout;
205 unsigned long long ramp_time;
206 unsigned int overwrite;
207 unsigned int bw_avg_time;
209 unsigned long long zone_size;
210 unsigned long long zone_skip;
211 enum fio_memtype mem_type;
212 unsigned int mem_align;
214 unsigned int stonewall;
215 unsigned int new_group;
216 unsigned int numjobs;
217 os_cpu_mask_t cpumask;
218 unsigned int cpumask_set;
219 os_cpu_mask_t verify_cpumask;
220 unsigned int verify_cpumask_set;
222 unsigned int rwmixcycle;
223 unsigned int rwmix[2];
225 unsigned int file_service_type;
226 unsigned int group_reporting;
227 unsigned int fadvise_hint;
228 unsigned int zero_buffers;
229 unsigned int refill_buffers;
230 unsigned int time_based;
231 unsigned int disable_clat;
232 unsigned int disable_slat;
233 unsigned int disable_bw;
234 unsigned int gtod_reduce;
235 unsigned int gtod_cpu;
236 unsigned int gtod_offload;
238 char *read_iolog_file;
239 char *write_iolog_file;
244 * Pre-run and post-run shell
249 unsigned int rate[2];
250 unsigned int ratemin[2];
251 unsigned int ratecycle;
252 unsigned int rate_iops[2];
253 unsigned int rate_iops_min[2];
258 * CPU "io" cycle burner
260 unsigned int cpuload;
261 unsigned int cpucycle;
266 unsigned int continue_on_error;
269 #define FIO_VERROR_SIZE 128
272 * This describes a single thread/process executing a fio job.
275 struct thread_options o;
276 char verror[FIO_VERROR_SIZE];
280 struct thread_stat ts;
281 struct fio_file **files;
282 unsigned int files_size;
283 unsigned int files_index;
284 unsigned int nr_open_files;
285 unsigned int nr_done_files;
286 unsigned int nr_normal_files;
288 unsigned int next_file;
289 os_random_state_t next_file_state;
295 size_t orig_buffer_size;
296 volatile int terminate;
297 volatile int runstate;
299 unsigned int ioprio_set;
300 unsigned int last_was_sync;
310 unsigned long rand_seeds[6];
312 os_random_state_t bsrange_state;
313 os_random_state_t verify_state;
318 * IO engine hooks, contains everything needed to submit an io_u
319 * to any of the available IO engines.
321 struct ioengine_ops *io_ops;
324 * Current IO depth and list of free and busy io_u's.
326 unsigned int cur_depth;
327 unsigned int io_u_queued;
328 struct flist_head io_u_freelist;
329 struct flist_head io_u_busylist;
330 struct flist_head io_u_requeues;
331 pthread_mutex_t io_u_lock;
332 pthread_cond_t free_cond;
335 * async verify offload
337 struct flist_head verify_list;
338 pthread_t *verify_threads;
339 unsigned int nr_verify_threads;
340 pthread_cond_t verify_cond;
341 int verify_thread_exit;
346 unsigned long rate_usec_cycle[2];
347 long rate_pending_usleep[2];
348 unsigned long rate_bytes[2];
349 unsigned long rate_blocks[2];
350 struct timeval lastrate[2];
352 unsigned long long total_io_size;
354 unsigned long io_issues[2];
355 unsigned long long io_blocks[2];
356 unsigned long long io_bytes[2];
357 unsigned long long io_skip_bytes;
358 unsigned long long this_io_bytes[2];
359 unsigned long long zone_bytes;
360 struct fio_mutex *mutex;
363 * State for random io, a bitmap of blocks done vs not done
365 os_random_state_t random_state;
367 struct timeval start; /* start of this loop */
368 struct timeval epoch; /* time job was started */
369 struct timeval last_issue;
370 struct timeval tv_cache;
371 unsigned int tv_cache_nr;
372 unsigned int tv_cache_mask;
373 unsigned int ramp_time_over;
376 * read/write mixed workload state
378 os_random_state_t rwmix_state;
379 unsigned long rwmix_issues;
380 enum fio_ddir rwmix_ddir;
381 unsigned int ddir_nr;
384 * IO history logs for verification. We use a tree for sorting,
385 * if we are overwriting. Otherwise just use a fifo.
387 struct rb_root io_hist_tree;
388 struct flist_head io_hist_list;
393 struct flist_head io_log_list;
396 * for fileservice, how often to switch to a new file
398 unsigned int file_service_nr;
399 unsigned int file_service_left;
400 struct fio_file *file_service_file;
403 * For generating file sizes
405 os_random_state_t file_size_state;
410 unsigned int total_err_count;
415 * when should interactive ETA output be generated
423 #define __td_verror(td, err, msg, func) \
429 if (!(td)->first_error) \
430 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
434 #define td_clear_error(td) \
436 #define td_verror(td, err, func) \
437 __td_verror((td), (err), strerror((err)), (func))
438 #define td_vmsg(td, err, msg, func) \
439 __td_verror((td), (err), (msg), (func))
441 extern int exitall_on_terminate;
442 extern int thread_number;
443 extern int nr_process, nr_thread;
446 extern int terse_output;
447 extern int temp_stall_ts;
448 extern unsigned long long mlock_size;
449 extern unsigned long page_mask, page_size;
450 extern int read_only;
451 extern int eta_print;
452 extern unsigned long done_secs;
453 extern char *job_section;
454 extern int fio_gtod_offload;
455 extern int fio_gtod_cpu;
457 extern struct thread_data *threads;
459 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
461 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
464 #define BLOCKS_PER_MAP (8 * sizeof(int))
465 #define TO_MAP_BLOCK(f, b) (b)
466 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
467 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
469 #define MAX_JOBS (1024)
471 #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
473 static inline void update_error_count(struct thread_data *td, int err)
475 td->total_err_count++;
476 if (td->total_err_count == 1)
477 td->first_error = err;
480 static inline int should_fsync(struct thread_data *td)
482 if (td->last_was_sync)
486 if (td_write(td) || td_rw(td) || td->o.override_sync)
495 extern unsigned long long utime_since(struct timeval *, struct timeval *);
496 extern unsigned long long utime_since_now(struct timeval *);
497 extern unsigned long mtime_since(struct timeval *, struct timeval *);
498 extern unsigned long mtime_since_now(struct timeval *);
499 extern unsigned long time_since_now(struct timeval *);
500 extern unsigned long mtime_since_genesis(void);
501 extern void usec_spin(unsigned int);
502 extern void usec_sleep(struct thread_data *, unsigned long);
503 extern void fill_start_time(struct timeval *);
504 extern void fio_gettime(struct timeval *, void *);
505 extern void fio_gtod_init(void);
506 extern void fio_gtod_update(void);
507 extern void set_genesis_time(void);
508 extern int ramp_time_over(struct thread_data *);
509 extern int in_ramp_time(struct thread_data *);
512 * Init/option functions
514 extern int __must_check parse_options(int, char **);
515 extern int fio_options_parse(struct thread_data *, char **, int);
516 extern void fio_keywords_init(void);
517 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
518 extern void fio_fill_default_options(struct thread_data *);
519 extern int fio_show_option_help(const char *);
520 extern void fio_options_dup_and_init(struct option *);
521 extern void options_mem_dupe(struct thread_data *);
522 extern void options_mem_free(struct thread_data *);
523 extern void td_fill_rand_seeds(struct thread_data *);
524 #define FIO_GETOPT_JOB 0x89988998
525 #define FIO_NR_OPTIONS 128
530 extern void print_thread_status(void);
531 extern void print_status_init(int);
534 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
535 * will never back again. It may cycle between running/verififying/fsyncing.
536 * Once the thread reaches TD_EXITED, it is just waiting for the core to
552 extern void td_set_runstate(struct thread_data *, int);
557 extern int __must_check fio_pin_memory(void);
558 extern void fio_unpin_memory(void);
559 extern int __must_check allocate_io_mem(struct thread_data *);
560 extern void free_io_mem(struct thread_data *);
563 * Reset stats after ramp time completes
565 extern void reset_all_stats(struct thread_data *);
570 #ifdef FIO_HAVE_BLKTRACE
571 extern int is_blktrace(const char *);
572 extern int load_blktrace(struct thread_data *, const char *);
576 * Mark unused variables passed to ops functions as unused, to silence gcc
578 #define fio_unused __attribute((__unused__))
579 #define fio_init __attribute__((constructor))
580 #define fio_exit __attribute__((destructor))
582 #define for_each_td(td, i) \
583 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
584 #define for_each_file(td, f, i) \
585 if ((td)->files_index) \
586 for ((i) = 0, (f) = (td)->files[0]; \
587 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
590 #define fio_assert(td, cond) do { \
593 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
594 (td)->runstate = TD_EXITED; \
595 (td)->error = EFAULT; \
600 static inline int fio_fill_issue_time(struct thread_data *td)
602 if (td->o.read_iolog_file ||
603 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
610 * Cheesy number->string conversion, complete with carry rounding error.
612 static inline char *num2str(unsigned long num, int maxlen, int base, int pow2)
614 char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' };
615 unsigned int thousand;
626 for (i = 0; base > 1; i++)
632 len = sprintf(buf, "%'lu", num);
635 buf[len] = postfix[i];
641 if ((num % thousand) >= (thousand / 2))
652 static inline int __should_check_rate(struct thread_data *td,
655 struct thread_options *o = &td->o;
658 * If some rate setting was given, we need to check it
660 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
661 o->rate_iops_min[ddir])
667 static inline int should_check_rate(struct thread_data *td,
668 unsigned long *bytes_done)
673 ret |= __should_check_rate(td, 0);
675 ret |= __should_check_rate(td, 1);
680 static inline int is_power_of_2(unsigned int val)
682 return (val != 0 && ((val & (val - 1)) == 0));
686 * We currently only need to do locking if we have verifier threads
687 * accessing our internal structures too
689 static inline void td_io_u_lock(struct thread_data *td)
691 if (td->o.verify_async)
692 pthread_mutex_lock(&td->io_u_lock);
695 static inline void td_io_u_unlock(struct thread_data *td)
697 if (td->o.verify_async)
698 pthread_mutex_unlock(&td->io_u_lock);
701 static inline void td_io_u_free_notify(struct thread_data *td)
703 if (td->o.verify_async)
704 pthread_cond_signal(&td->free_cond);