8 #include <sys/resource.h>
18 #include "compiler/compiler.h"
22 #include "arch/arch.h"
40 #ifdef FIO_HAVE_SOLARISAIO
41 #include <sys/asynch.h>
44 struct group_run_stats {
45 unsigned long long max_run[2], min_run[2];
46 unsigned long long max_bw[2], min_bw[2];
47 unsigned long long io_kb[2];
48 unsigned long long agg[2];
53 * What type of allocation to use for io buffers
56 MEM_MALLOC = 0, /* ordinary malloc */
57 MEM_SHM, /* use shared memory segments */
58 MEM_SHMHUGE, /* use shared memory segments with huge pages */
59 MEM_MMAP, /* use anonynomous mmap */
60 MEM_MMAPHUGE, /* memory mapped huge file */
64 * How many depth levels to log
66 #define FIO_IO_U_MAP_NR 8
67 #define FIO_IO_U_LAT_U_NR 10
68 #define FIO_IO_U_LAT_M_NR 12
70 #define MAX_PATTERN_SIZE 512
81 struct io_log *slat_log;
82 struct io_log *clat_log;
83 struct io_log *lat_log;
84 struct io_log *bw_log;
87 * bandwidth and latency stats
89 struct io_stat clat_stat[2]; /* completion latency */
90 struct io_stat slat_stat[2]; /* submission latency */
91 struct io_stat lat_stat[2]; /* total latency */
92 struct io_stat bw_stat[2]; /* bandwidth stats */
94 unsigned long long stat_io_bytes[2];
95 struct timeval stat_sample_time[2];
98 * fio system usage accounting
100 struct rusage ru_start;
101 struct rusage ru_end;
102 unsigned long usr_time;
103 unsigned long sys_time;
105 unsigned long minf, majf;
108 * IO depth and latency stats
110 unsigned int io_u_map[FIO_IO_U_MAP_NR];
111 unsigned int io_u_submit[FIO_IO_U_MAP_NR];
112 unsigned int io_u_complete[FIO_IO_U_MAP_NR];
113 unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
114 unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
115 unsigned long total_io_u[2];
116 unsigned long short_io_u[2];
117 unsigned long total_submit;
118 unsigned long total_complete;
120 unsigned long long io_bytes[2];
121 unsigned long runtime[2];
122 unsigned long total_run_time;
125 * IO Error related stats
127 unsigned continue_on_error;
128 unsigned long total_err_count;
131 unsigned int kb_base;
139 struct thread_options {
147 enum td_ddir td_ddir;
148 unsigned int kb_base;
149 unsigned int ddir_nr;
150 unsigned int iodepth;
151 unsigned int iodepth_low;
152 unsigned int iodepth_batch;
153 unsigned int iodepth_batch_complete;
155 unsigned long long size;
156 unsigned int fill_device;
157 unsigned long long file_size_low;
158 unsigned long long file_size_high;
159 unsigned long long start_offset;
163 unsigned int min_bs[2];
164 unsigned int max_bs[2];
165 struct bssplit *bssplit[2];
166 unsigned int bssplit_nr[2];
168 unsigned int nr_files;
169 unsigned int open_files;
170 enum file_lock_mode file_lock_mode;
171 unsigned int lockfile_batch;
173 unsigned int odirect;
174 unsigned int invalidate_cache;
175 unsigned int create_serialize;
176 unsigned int create_fsync;
177 unsigned int create_on_open;
178 unsigned int end_fsync;
179 unsigned int pre_read;
180 unsigned int sync_io;
182 unsigned int do_verify;
183 unsigned int verifysort;
184 unsigned int verify_interval;
185 unsigned int verify_offset;
186 char verify_pattern[MAX_PATTERN_SIZE];
187 unsigned int verify_pattern_bytes;
188 unsigned int verify_fatal;
189 unsigned int verify_async;
190 unsigned long long verify_backlog;
191 unsigned int verify_batch;
192 unsigned int use_thread;
194 unsigned int do_disk_util;
195 unsigned int override_sync;
196 unsigned int rand_repeatable;
197 unsigned int write_lat_log;
198 unsigned int write_bw_log;
199 unsigned int norandommap;
200 unsigned int softrandommap;
201 unsigned int bs_unaligned;
202 unsigned int fsync_on_close;
204 unsigned int hugepage_size;
205 unsigned int rw_min_bs;
206 unsigned int thinktime;
207 unsigned int thinktime_spin;
208 unsigned int thinktime_blocks;
209 unsigned int fsync_blocks;
210 unsigned int fdatasync_blocks;
211 unsigned int start_delay;
212 unsigned long long timeout;
213 unsigned long long ramp_time;
214 unsigned int overwrite;
215 unsigned int bw_avg_time;
217 unsigned long long zone_size;
218 unsigned long long zone_skip;
219 enum fio_memtype mem_type;
220 unsigned int mem_align;
222 unsigned int stonewall;
223 unsigned int new_group;
224 unsigned int numjobs;
225 os_cpu_mask_t cpumask;
226 unsigned int cpumask_set;
227 os_cpu_mask_t verify_cpumask;
228 unsigned int verify_cpumask_set;
230 unsigned int rwmixcycle;
231 unsigned int rwmix[2];
233 unsigned int file_service_type;
234 unsigned int group_reporting;
235 unsigned int fadvise_hint;
236 unsigned int fallocate;
237 unsigned int zero_buffers;
238 unsigned int refill_buffers;
239 unsigned int time_based;
240 unsigned int disable_lat;
241 unsigned int disable_clat;
242 unsigned int disable_slat;
243 unsigned int disable_bw;
244 unsigned int gtod_reduce;
245 unsigned int gtod_cpu;
246 unsigned int gtod_offload;
247 enum fio_cs clocksource;
249 char *read_iolog_file;
250 char *write_iolog_file;
255 * Pre-run and post-run shell
260 unsigned int rate[2];
261 unsigned int ratemin[2];
262 unsigned int ratecycle;
263 unsigned int rate_iops[2];
264 unsigned int rate_iops_min[2];
269 * CPU "io" cycle burner
271 unsigned int cpuload;
272 unsigned int cpucycle;
277 unsigned int continue_on_error;
280 * Benchmark profile type
285 * blkio cgroup support
288 unsigned int cgroup_weight;
289 unsigned int cgroup_nodelete;
294 unsigned int sync_file_range;
297 #define FIO_VERROR_SIZE 128
300 * This describes a single thread/process executing a fio job.
303 struct thread_options o;
304 char verror[FIO_VERROR_SIZE];
308 struct thread_stat ts;
309 struct fio_file **files;
310 unsigned int files_size;
311 unsigned int files_index;
312 unsigned int nr_open_files;
313 unsigned int nr_done_files;
314 unsigned int nr_normal_files;
316 unsigned int next_file;
317 os_random_state_t next_file_state;
323 size_t orig_buffer_size;
324 volatile int terminate;
325 volatile int runstate;
327 unsigned int ioprio_set;
328 unsigned int last_was_sync;
329 enum fio_ddir last_ddir;
339 unsigned long rand_seeds[6];
341 os_random_state_t bsrange_state;
342 os_random_state_t verify_state;
344 unsigned int verify_batch;
349 * IO engine hooks, contains everything needed to submit an io_u
350 * to any of the available IO engines.
352 struct ioengine_ops *io_ops;
355 * Current IO depth and list of free and busy io_u's.
357 unsigned int cur_depth;
358 unsigned int io_u_queued;
359 struct flist_head io_u_freelist;
360 struct flist_head io_u_busylist;
361 struct flist_head io_u_requeues;
362 pthread_mutex_t io_u_lock;
363 pthread_cond_t free_cond;
366 * async verify offload
368 struct flist_head verify_list;
369 pthread_t *verify_threads;
370 unsigned int nr_verify_threads;
371 pthread_cond_t verify_cond;
372 int verify_thread_exit;
377 unsigned long rate_nsec_cycle[2];
378 long rate_pending_usleep[2];
379 unsigned long rate_bytes[2];
380 unsigned long rate_blocks[2];
381 struct timeval lastrate[2];
383 unsigned long long total_io_size;
384 unsigned long long fill_device_size;
386 unsigned long io_issues[2];
387 unsigned long long io_blocks[2];
388 unsigned long long io_bytes[2];
389 unsigned long long io_skip_bytes;
390 unsigned long long this_io_bytes[2];
391 unsigned long long zone_bytes;
392 struct fio_mutex *mutex;
395 * State for random io, a bitmap of blocks done vs not done
397 os_random_state_t random_state;
399 struct timeval start; /* start of this loop */
400 struct timeval epoch; /* time job was started */
401 struct timeval last_issue;
402 struct timeval tv_cache;
403 unsigned int tv_cache_nr;
404 unsigned int tv_cache_mask;
405 unsigned int ramp_time_over;
408 * read/write mixed workload state
410 os_random_state_t rwmix_state;
411 unsigned long rwmix_issues;
412 enum fio_ddir rwmix_ddir;
413 unsigned int ddir_nr;
416 * IO history logs for verification. We use a tree for sorting,
417 * if we are overwriting. Otherwise just use a fifo.
419 struct rb_root io_hist_tree;
420 struct flist_head io_hist_list;
421 unsigned long io_hist_len;
426 struct flist_head io_log_list;
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 os_random_state_t file_size_state;
445 unsigned int total_err_count;
449 * Can be overloaded by profiles
451 struct prof_io_ops prof_io_ops;
456 * when should interactive ETA output be generated
464 #define __td_verror(td, err, msg, func) \
470 if (!(td)->first_error) \
471 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
475 #define td_clear_error(td) \
477 #define td_verror(td, err, func) \
478 __td_verror((td), (err), strerror((err)), (func))
479 #define td_vmsg(td, err, msg, func) \
480 __td_verror((td), (err), (msg), (func))
482 extern int exitall_on_terminate;
483 extern int thread_number;
484 extern int nr_process, nr_thread;
487 extern int terse_output;
488 extern int temp_stall_ts;
489 extern unsigned long long mlock_size;
490 extern unsigned long page_mask, page_size;
491 extern int read_only;
492 extern int eta_print;
493 extern unsigned long done_secs;
494 extern char *job_section;
495 extern int fio_gtod_offload;
496 extern int fio_gtod_cpu;
497 extern enum fio_cs fio_clock_source;
499 extern struct thread_data *threads;
501 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
503 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
506 #define BLOCKS_PER_MAP (8 * sizeof(int))
507 #define TO_MAP_BLOCK(f, b) (b)
508 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
509 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
511 #define MAX_JOBS (1024)
513 #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
515 static inline void update_error_count(struct thread_data *td, int err)
517 td->total_err_count++;
518 if (td->total_err_count == 1)
519 td->first_error = err;
522 static inline int should_fsync(struct thread_data *td)
524 if (td->last_was_sync)
528 if (td_write(td) || td_rw(td) || td->o.override_sync)
535 * Init/option functions
537 extern int __must_check parse_options(int, char **);
538 extern int fio_options_parse(struct thread_data *, char **, int);
539 extern void fio_keywords_init(void);
540 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
541 extern void fio_fill_default_options(struct thread_data *);
542 extern int fio_show_option_help(const char *);
543 extern void fio_options_dup_and_init(struct option *);
544 extern void options_mem_dupe(struct thread_data *);
545 extern void options_mem_free(struct thread_data *);
546 extern void td_fill_rand_seeds(struct thread_data *);
547 extern void add_job_opts(const char **);
548 #define FIO_GETOPT_JOB 0x89988998
549 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
554 extern void print_thread_status(void);
555 extern void print_status_init(int);
558 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
559 * will never back again. It may cycle between running/verififying/fsyncing.
560 * Once the thread reaches TD_EXITED, it is just waiting for the core to
576 extern void td_set_runstate(struct thread_data *, int);
581 extern int __must_check fio_pin_memory(void);
582 extern void fio_unpin_memory(void);
583 extern int __must_check allocate_io_mem(struct thread_data *);
584 extern void free_io_mem(struct thread_data *);
587 * Reset stats after ramp time completes
589 extern void reset_all_stats(struct thread_data *);
594 #ifdef FIO_HAVE_BLKTRACE
595 extern int is_blktrace(const char *);
596 extern int load_blktrace(struct thread_data *, const char *);
600 * Mark unused variables passed to ops functions as unused, to silence gcc
602 #define fio_unused __attribute((__unused__))
603 #define fio_init __attribute__((constructor))
604 #define fio_exit __attribute__((destructor))
606 #define for_each_td(td, i) \
607 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
608 #define for_each_file(td, f, i) \
609 if ((td)->files_index) \
610 for ((i) = 0, (f) = (td)->files[0]; \
611 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
614 #define fio_assert(td, cond) do { \
617 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
618 (td)->runstate = TD_EXITED; \
619 (td)->error = EFAULT; \
624 static inline int fio_fill_issue_time(struct thread_data *td)
626 if (td->o.read_iolog_file ||
627 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
634 * Cheesy number->string conversion, complete with carry rounding error.
636 static inline char *num2str(unsigned long num, int maxlen, int base, int pow2)
638 char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' };
639 unsigned int thousand;
650 for (i = 0; base > 1; i++)
656 len = sprintf(buf, "%'lu", num);
659 buf[len] = postfix[i];
665 if ((num % thousand) >= (thousand / 2))
676 static inline int __should_check_rate(struct thread_data *td,
679 struct thread_options *o = &td->o;
682 * If some rate setting was given, we need to check it
684 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
685 o->rate_iops_min[ddir])
691 static inline int should_check_rate(struct thread_data *td,
692 unsigned long *bytes_done)
697 ret |= __should_check_rate(td, 0);
699 ret |= __should_check_rate(td, 1);
704 static inline int is_power_of_2(unsigned int val)
706 return (val != 0 && ((val & (val - 1)) == 0));
710 * We currently only need to do locking if we have verifier threads
711 * accessing our internal structures too
713 static inline void td_io_u_lock(struct thread_data *td)
715 if (td->o.verify_async)
716 pthread_mutex_lock(&td->io_u_lock);
719 static inline void td_io_u_unlock(struct thread_data *td)
721 if (td->o.verify_async)
722 pthread_mutex_unlock(&td->io_u_lock);
725 static inline void td_io_u_free_notify(struct thread_data *td)
727 if (td->o.verify_async)
728 pthread_cond_signal(&td->free_cond);