8 #include <sys/resource.h>
23 #include "compiler/compiler.h"
27 #include "arch/arch.h"
40 #include "lib/getopt.h"
49 #ifdef FIO_HAVE_SOLARISAIO
50 #include <sys/asynch.h>
54 * What type of allocation to use for io buffers
57 MEM_MALLOC = 0, /* ordinary malloc */
58 MEM_SHM, /* use shared memory segments */
59 MEM_SHMHUGE, /* use shared memory segments with huge pages */
60 MEM_MMAP, /* use anonynomous mmap */
61 MEM_MMAPHUGE, /* memory mapped huge file */
65 * offset generator types
77 struct thread_options {
88 unsigned int ddir_seq_nr;
91 unsigned int iodepth_low;
92 unsigned int iodepth_batch;
93 unsigned int iodepth_batch_complete;
95 unsigned long long size;
96 unsigned int size_percent;
97 unsigned int fill_device;
98 unsigned long long file_size_low;
99 unsigned long long file_size_high;
100 unsigned long long start_offset;
104 unsigned int min_bs[2];
105 unsigned int max_bs[2];
106 struct bssplit *bssplit[2];
107 unsigned int bssplit_nr[2];
109 unsigned int nr_files;
110 unsigned int open_files;
111 enum file_lock_mode file_lock_mode;
112 unsigned int lockfile_batch;
114 unsigned int odirect;
115 unsigned int invalidate_cache;
116 unsigned int create_serialize;
117 unsigned int create_fsync;
118 unsigned int create_on_open;
119 unsigned int end_fsync;
120 unsigned int pre_read;
121 unsigned int sync_io;
123 unsigned int do_verify;
124 unsigned int verifysort;
125 unsigned int verify_interval;
126 unsigned int verify_offset;
127 char verify_pattern[MAX_PATTERN_SIZE];
128 unsigned int verify_pattern_bytes;
129 unsigned int verify_fatal;
130 unsigned int verify_dump;
131 unsigned int verify_async;
132 unsigned long long verify_backlog;
133 unsigned int verify_batch;
134 unsigned int use_thread;
136 unsigned int do_disk_util;
137 unsigned int override_sync;
138 unsigned int rand_repeatable;
139 unsigned int use_os_rand;
140 unsigned int write_lat_log;
141 unsigned int write_bw_log;
142 unsigned int write_iops_log;
143 unsigned int norandommap;
144 unsigned int softrandommap;
145 unsigned int bs_unaligned;
146 unsigned int fsync_on_close;
148 unsigned int hugepage_size;
149 unsigned int rw_min_bs;
150 unsigned int thinktime;
151 unsigned int thinktime_spin;
152 unsigned int thinktime_blocks;
153 unsigned int fsync_blocks;
154 unsigned int fdatasync_blocks;
155 unsigned int barrier_blocks;
156 unsigned long long start_delay;
157 unsigned long long timeout;
158 unsigned long long ramp_time;
159 unsigned int overwrite;
160 unsigned int bw_avg_time;
161 unsigned int iops_avg_time;
163 unsigned long long zone_size;
164 unsigned long long zone_skip;
165 enum fio_memtype mem_type;
166 unsigned int mem_align;
168 unsigned int stonewall;
169 unsigned int new_group;
170 unsigned int numjobs;
171 os_cpu_mask_t cpumask;
172 unsigned int cpumask_set;
173 os_cpu_mask_t verify_cpumask;
174 unsigned int verify_cpumask_set;
176 unsigned int rwmixcycle;
177 unsigned int rwmix[2];
179 unsigned int file_service_type;
180 unsigned int group_reporting;
181 unsigned int fadvise_hint;
182 enum fio_fallocate_mode fallocate_mode;
183 unsigned int zero_buffers;
184 unsigned int refill_buffers;
185 unsigned int scramble_buffers;
186 unsigned int time_based;
187 unsigned int disable_lat;
188 unsigned int disable_clat;
189 unsigned int disable_slat;
190 unsigned int disable_bw;
191 unsigned int gtod_reduce;
192 unsigned int gtod_cpu;
193 unsigned int gtod_offload;
194 enum fio_cs clocksource;
195 unsigned int no_stall;
196 unsigned int trim_percentage;
197 unsigned int trim_batch;
198 unsigned int trim_zero;
199 unsigned long long trim_backlog;
200 unsigned int clat_percentiles;
201 unsigned int overwrite_plist;
202 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
204 char *read_iolog_file;
205 char *write_iolog_file;
209 char *replay_redirect;
212 * Pre-run and post-run shell
217 unsigned int rate[2];
218 unsigned int ratemin[2];
219 unsigned int ratecycle;
220 unsigned int rate_iops[2];
221 unsigned int rate_iops_min[2];
226 * CPU "io" cycle burner
228 unsigned int cpuload;
229 unsigned int cpucycle;
234 unsigned int continue_on_error;
237 * Benchmark profile type
242 * blkio cgroup support
245 unsigned int cgroup_weight;
246 unsigned int cgroup_nodelete;
251 unsigned int sync_file_range;
253 unsigned int userspace_libaio_reap;
257 * This describes a single thread/process executing a fio job.
260 struct thread_options o;
261 char verror[FIO_VERROR_SIZE];
265 struct thread_stat ts;
267 struct io_log *slat_log;
268 struct io_log *clat_log;
269 struct io_log *lat_log;
270 struct io_log *bw_log;
271 struct io_log *iops_log;
273 uint64_t stat_io_bytes[2];
274 struct timeval bw_sample_time;
276 uint64_t stat_io_blocks[2];
277 struct timeval iops_sample_time;
279 struct rusage ru_start;
280 struct rusage ru_end;
282 struct fio_file **files;
283 unsigned int files_size;
284 unsigned int files_index;
285 unsigned int nr_open_files;
286 unsigned int nr_done_files;
287 unsigned int nr_normal_files;
289 unsigned int next_file;
290 os_random_state_t next_file_state;
291 struct frand_state __next_file_state;
297 size_t orig_buffer_size;
298 volatile int terminate;
299 volatile int runstate;
301 unsigned int ioprio_set;
302 unsigned int last_was_sync;
303 enum fio_ddir last_ddir;
313 unsigned long rand_seeds[8];
316 os_random_state_t bsrange_state;
317 struct frand_state __bsrange_state;
320 os_random_state_t verify_state;
321 struct frand_state __verify_state;
324 os_random_state_t trim_state;
325 struct frand_state __trim_state;
328 struct frand_state buf_state;
330 unsigned int verify_batch;
331 unsigned int trim_batch;
336 * IO engine hooks, contains everything needed to submit an io_u
337 * to any of the available IO engines.
339 struct ioengine_ops *io_ops;
342 * Current IO depth and list of free and busy io_u's.
344 unsigned int cur_depth;
345 unsigned int io_u_queued;
346 struct flist_head io_u_freelist;
347 struct flist_head io_u_busylist;
348 struct flist_head io_u_requeues;
349 pthread_mutex_t io_u_lock;
350 pthread_cond_t free_cond;
353 * async verify offload
355 struct flist_head verify_list;
356 pthread_t *verify_threads;
357 unsigned int nr_verify_threads;
358 pthread_cond_t verify_cond;
359 int verify_thread_exit;
364 unsigned long rate_nsec_cycle[2];
365 long rate_pending_usleep[2];
366 unsigned long rate_bytes[2];
367 unsigned long rate_blocks[2];
368 struct timeval lastrate[2];
370 unsigned long long total_io_size;
371 unsigned long long fill_device_size;
373 unsigned long io_issues[2];
374 unsigned long long io_blocks[2];
375 unsigned long long this_io_blocks[2];
376 unsigned long long io_bytes[2];
377 unsigned long long io_skip_bytes;
378 unsigned long long this_io_bytes[2];
379 unsigned long long zone_bytes;
380 struct fio_mutex *mutex;
383 * State for random io, a bitmap of blocks done vs not done
386 os_random_state_t random_state;
387 struct frand_state __random_state;
390 struct timeval start; /* start of this loop */
391 struct timeval epoch; /* time job was started */
392 struct timeval last_issue;
393 struct timeval tv_cache;
394 unsigned int tv_cache_nr;
395 unsigned int tv_cache_mask;
396 unsigned int ramp_time_over;
399 * read/write mixed workload state
402 os_random_state_t rwmix_state;
403 struct frand_state __rwmix_state;
405 unsigned long rwmix_issues;
406 enum fio_ddir rwmix_ddir;
407 unsigned int ddir_seq_nr;
410 * IO history logs for verification. We use a tree for sorting,
411 * if we are overwriting. Otherwise just use a fifo.
413 struct rb_root io_hist_tree;
414 struct flist_head io_hist_list;
415 unsigned long io_hist_len;
420 struct flist_head io_log_list;
423 * For tracking/handling discards
425 struct flist_head trim_list;
426 unsigned long trim_entries;
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
441 os_random_state_t file_size_state;
442 struct frand_state __file_size_state;
448 unsigned int total_err_count;
452 * Can be overloaded by profiles
454 struct prof_io_ops prof_io_ops;
459 * when should interactive ETA output be generated
467 #define __td_verror(td, err, msg, func) \
473 if (!(td)->first_error) \
474 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
478 #define td_clear_error(td) \
480 #define td_verror(td, err, func) \
481 __td_verror((td), (err), strerror((err)), (func))
482 #define td_vmsg(td, err, msg, func) \
483 __td_verror((td), (err), (msg), (func))
485 #define __fio_stringify_1(x) #x
486 #define __fio_stringify(x) __fio_stringify_1(x)
488 extern int exitall_on_terminate;
489 extern int thread_number;
490 extern int nr_process, nr_thread;
493 extern int terse_output;
494 extern int temp_stall_ts;
495 extern unsigned long long mlock_size;
496 extern unsigned long page_mask, page_size;
497 extern int read_only;
498 extern int eta_print;
499 extern unsigned long done_secs;
500 extern char *job_section;
501 extern int fio_gtod_offload;
502 extern int fio_gtod_cpu;
503 extern enum fio_cs fio_clock_source;
504 extern int warnings_fatal;
505 extern int terse_version;
506 extern int is_backend;
507 extern int nr_clients;
508 extern int log_syslog;
509 extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
511 extern struct thread_data *threads;
513 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
515 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
518 #define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
519 #define TO_MAP_BLOCK(f, b) (b)
520 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
521 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
523 #define REAL_MAX_JOBS 2048
525 #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
527 static inline void update_error_count(struct thread_data *td, int err)
529 td->total_err_count++;
530 if (td->total_err_count == 1)
531 td->first_error = err;
534 static inline int should_fsync(struct thread_data *td)
536 if (td->last_was_sync)
540 if (td_write(td) || td_rw(td) || td->o.override_sync)
547 * Init/option functions
549 extern int __must_check parse_options(int, char **);
550 extern int parse_jobs_ini(char *, int, int);
551 extern int parse_cmd_line(int, char **);
552 extern int exec_run(void);
553 extern void reset_fio_state(void);
554 extern int fio_options_parse(struct thread_data *, char **, int);
555 extern void fio_keywords_init(void);
556 extern int fio_cmd_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_dup_and_init(struct option *);
560 extern void options_mem_dupe(struct thread_data *);
561 extern void options_mem_free(struct thread_data *);
562 extern void td_fill_rand_seeds(struct thread_data *);
563 extern void add_job_opts(const char **);
564 extern char *num2str(unsigned long, int, int, int);
566 #define FIO_GETOPT_JOB 0x89988998
567 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
572 extern void print_thread_status(void);
573 extern void print_status_init(int);
576 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
577 * will never back again. It may cycle between running/verififying/fsyncing.
578 * Once the thread reaches TD_EXITED, it is just waiting for the core to
594 extern void td_set_runstate(struct thread_data *, int);
595 #define TERMINATE_ALL (-1)
596 extern void fio_terminate_threads(int);
601 extern int __must_check fio_pin_memory(void);
602 extern void fio_unpin_memory(void);
603 extern int __must_check allocate_io_mem(struct thread_data *);
604 extern void free_io_mem(struct thread_data *);
607 * Reset stats after ramp time completes
609 extern void reset_all_stats(struct thread_data *);
614 #ifdef FIO_HAVE_BLKTRACE
615 extern int is_blktrace(const char *);
616 extern int load_blktrace(struct thread_data *, const char *);
620 * Mark unused variables passed to ops functions as unused, to silence gcc
622 #define fio_unused __attribute((__unused__))
623 #define fio_init __attribute__((constructor))
624 #define fio_exit __attribute__((destructor))
626 #define for_each_td(td, i) \
627 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
628 #define for_each_file(td, f, i) \
629 if ((td)->files_index) \
630 for ((i) = 0, (f) = (td)->files[0]; \
631 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
634 #define fio_assert(td, cond) do { \
637 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
638 td_set_runstate((td), TD_EXITED); \
639 (td)->error = EFAULT; \
644 static inline int fio_fill_issue_time(struct thread_data *td)
646 if (td->o.read_iolog_file ||
647 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
653 static inline int __should_check_rate(struct thread_data *td,
656 struct thread_options *o = &td->o;
659 * If some rate setting was given, we need to check it
661 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
662 o->rate_iops_min[ddir])
668 static inline int should_check_rate(struct thread_data *td,
669 unsigned long *bytes_done)
674 ret |= __should_check_rate(td, 0);
676 ret |= __should_check_rate(td, 1);
681 static inline int is_power_of_2(unsigned int val)
683 return (val != 0 && ((val & (val - 1)) == 0));
687 * We currently only need to do locking if we have verifier threads
688 * accessing our internal structures too
690 static inline void td_io_u_lock(struct thread_data *td)
692 if (td->o.verify_async)
693 pthread_mutex_lock(&td->io_u_lock);
696 static inline void td_io_u_unlock(struct thread_data *td)
698 if (td->o.verify_async)
699 pthread_mutex_unlock(&td->io_u_lock);
702 static inline void td_io_u_free_notify(struct thread_data *td)
704 if (td->o.verify_async)
705 pthread_cond_signal(&td->free_cond);