8 #include <sys/resource.h>
19 #include "compiler/compiler.h"
23 #include "arch/arch.h"
36 #include "lib/getopt.h"
45 #ifdef FIO_HAVE_SOLARISAIO
46 #include <sys/asynch.h>
50 * What type of allocation to use for io buffers
53 MEM_MALLOC = 0, /* ordinary malloc */
54 MEM_SHM, /* use shared memory segments */
55 MEM_SHMHUGE, /* use shared memory segments with huge pages */
56 MEM_MMAP, /* use anonynomous mmap */
57 MEM_MMAPHUGE, /* memory mapped huge file */
61 * offset generator types
73 struct thread_options {
84 unsigned int ddir_seq_nr;
87 unsigned int iodepth_low;
88 unsigned int iodepth_batch;
89 unsigned int iodepth_batch_complete;
91 unsigned long long size;
92 unsigned int size_percent;
93 unsigned int fill_device;
94 unsigned long long file_size_low;
95 unsigned long long file_size_high;
96 unsigned long long start_offset;
100 unsigned int min_bs[2];
101 unsigned int max_bs[2];
102 struct bssplit *bssplit[2];
103 unsigned int bssplit_nr[2];
105 unsigned int nr_files;
106 unsigned int open_files;
107 enum file_lock_mode file_lock_mode;
108 unsigned int lockfile_batch;
110 unsigned int odirect;
111 unsigned int invalidate_cache;
112 unsigned int create_serialize;
113 unsigned int create_fsync;
114 unsigned int create_on_open;
115 unsigned int end_fsync;
116 unsigned int pre_read;
117 unsigned int sync_io;
119 unsigned int do_verify;
120 unsigned int verifysort;
121 unsigned int verify_interval;
122 unsigned int verify_offset;
123 char verify_pattern[MAX_PATTERN_SIZE];
124 unsigned int verify_pattern_bytes;
125 unsigned int verify_fatal;
126 unsigned int verify_dump;
127 unsigned int verify_async;
128 unsigned long long verify_backlog;
129 unsigned int verify_batch;
130 unsigned int use_thread;
132 unsigned int do_disk_util;
133 unsigned int override_sync;
134 unsigned int rand_repeatable;
135 unsigned int use_os_rand;
136 unsigned int write_lat_log;
137 unsigned int write_bw_log;
138 unsigned int write_iops_log;
139 unsigned int norandommap;
140 unsigned int softrandommap;
141 unsigned int bs_unaligned;
142 unsigned int fsync_on_close;
144 unsigned int hugepage_size;
145 unsigned int rw_min_bs;
146 unsigned int thinktime;
147 unsigned int thinktime_spin;
148 unsigned int thinktime_blocks;
149 unsigned int fsync_blocks;
150 unsigned int fdatasync_blocks;
151 unsigned int barrier_blocks;
152 unsigned long long start_delay;
153 unsigned long long timeout;
154 unsigned long long ramp_time;
155 unsigned int overwrite;
156 unsigned int bw_avg_time;
157 unsigned int iops_avg_time;
159 unsigned long long zone_size;
160 unsigned long long zone_skip;
161 enum fio_memtype mem_type;
162 unsigned int mem_align;
164 unsigned int stonewall;
165 unsigned int new_group;
166 unsigned int numjobs;
167 os_cpu_mask_t cpumask;
168 unsigned int cpumask_set;
169 os_cpu_mask_t verify_cpumask;
170 unsigned int verify_cpumask_set;
172 unsigned int rwmixcycle;
173 unsigned int rwmix[2];
175 unsigned int file_service_type;
176 unsigned int group_reporting;
177 unsigned int fadvise_hint;
178 enum fio_fallocate_mode fallocate_mode;
179 unsigned int zero_buffers;
180 unsigned int refill_buffers;
181 unsigned int scramble_buffers;
182 unsigned int time_based;
183 unsigned int disable_lat;
184 unsigned int disable_clat;
185 unsigned int disable_slat;
186 unsigned int disable_bw;
187 unsigned int gtod_reduce;
188 unsigned int gtod_cpu;
189 unsigned int gtod_offload;
190 enum fio_cs clocksource;
191 unsigned int no_stall;
192 unsigned int trim_percentage;
193 unsigned int trim_batch;
194 unsigned int trim_zero;
195 unsigned long long trim_backlog;
196 unsigned int clat_percentiles;
197 unsigned int overwrite_plist;
198 fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
200 char *read_iolog_file;
201 char *write_iolog_file;
205 char *replay_redirect;
208 * Pre-run and post-run shell
213 unsigned int rate[2];
214 unsigned int ratemin[2];
215 unsigned int ratecycle;
216 unsigned int rate_iops[2];
217 unsigned int rate_iops_min[2];
222 * CPU "io" cycle burner
224 unsigned int cpuload;
225 unsigned int cpucycle;
230 unsigned int continue_on_error;
233 * Benchmark profile type
238 * blkio cgroup support
241 unsigned int cgroup_weight;
242 unsigned int cgroup_nodelete;
247 unsigned int sync_file_range;
249 unsigned int userspace_libaio_reap;
253 * This describes a single thread/process executing a fio job.
256 struct thread_options o;
257 char verror[FIO_VERROR_SIZE];
261 struct thread_stat ts;
263 struct io_log *slat_log;
264 struct io_log *clat_log;
265 struct io_log *lat_log;
266 struct io_log *bw_log;
267 struct io_log *iops_log;
269 uint64_t stat_io_bytes[2];
270 struct timeval bw_sample_time;
272 uint64_t stat_io_blocks[2];
273 struct timeval iops_sample_time;
275 struct rusage ru_start;
276 struct rusage ru_end;
278 struct fio_file **files;
279 unsigned int files_size;
280 unsigned int files_index;
281 unsigned int nr_open_files;
282 unsigned int nr_done_files;
283 unsigned int nr_normal_files;
285 unsigned int next_file;
286 os_random_state_t next_file_state;
287 struct frand_state __next_file_state;
293 size_t orig_buffer_size;
294 volatile int terminate;
295 volatile int runstate;
297 unsigned int ioprio_set;
298 unsigned int last_was_sync;
299 enum fio_ddir last_ddir;
309 unsigned long rand_seeds[8];
312 os_random_state_t bsrange_state;
313 struct frand_state __bsrange_state;
316 os_random_state_t verify_state;
317 struct frand_state __verify_state;
320 os_random_state_t trim_state;
321 struct frand_state __trim_state;
324 struct frand_state buf_state;
326 unsigned int verify_batch;
327 unsigned int trim_batch;
332 * IO engine hooks, contains everything needed to submit an io_u
333 * to any of the available IO engines.
335 struct ioengine_ops *io_ops;
338 * Current IO depth and list of free and busy io_u's.
340 unsigned int cur_depth;
341 unsigned int io_u_queued;
342 struct flist_head io_u_freelist;
343 struct flist_head io_u_busylist;
344 struct flist_head io_u_requeues;
345 pthread_mutex_t io_u_lock;
346 pthread_cond_t free_cond;
349 * async verify offload
351 struct flist_head verify_list;
352 pthread_t *verify_threads;
353 unsigned int nr_verify_threads;
354 pthread_cond_t verify_cond;
355 int verify_thread_exit;
360 unsigned long rate_nsec_cycle[2];
361 long rate_pending_usleep[2];
362 unsigned long rate_bytes[2];
363 unsigned long rate_blocks[2];
364 struct timeval lastrate[2];
366 unsigned long long total_io_size;
367 unsigned long long fill_device_size;
369 unsigned long io_issues[2];
370 unsigned long long io_blocks[2];
371 unsigned long long this_io_blocks[2];
372 unsigned long long io_bytes[2];
373 unsigned long long io_skip_bytes;
374 unsigned long long this_io_bytes[2];
375 unsigned long long zone_bytes;
376 struct fio_mutex *mutex;
379 * State for random io, a bitmap of blocks done vs not done
382 os_random_state_t random_state;
383 struct frand_state __random_state;
386 struct timeval start; /* start of this loop */
387 struct timeval epoch; /* time job was started */
388 struct timeval last_issue;
389 struct timeval tv_cache;
390 unsigned int tv_cache_nr;
391 unsigned int tv_cache_mask;
392 unsigned int ramp_time_over;
395 * read/write mixed workload state
398 os_random_state_t rwmix_state;
399 struct frand_state __rwmix_state;
401 unsigned long rwmix_issues;
402 enum fio_ddir rwmix_ddir;
403 unsigned int ddir_seq_nr;
406 * IO history logs for verification. We use a tree for sorting,
407 * if we are overwriting. Otherwise just use a fifo.
409 struct rb_root io_hist_tree;
410 struct flist_head io_hist_list;
411 unsigned long io_hist_len;
416 struct flist_head io_log_list;
419 * For tracking/handling discards
421 struct flist_head trim_list;
422 unsigned long trim_entries;
425 * for fileservice, how often to switch to a new file
427 unsigned int file_service_nr;
428 unsigned int file_service_left;
429 struct fio_file *file_service_file;
431 unsigned int sync_file_range_nr;
434 * For generating file sizes
437 os_random_state_t file_size_state;
438 struct frand_state __file_size_state;
444 unsigned int total_err_count;
448 * Can be overloaded by profiles
450 struct prof_io_ops prof_io_ops;
455 * when should interactive ETA output be generated
463 #define __td_verror(td, err, msg, func) \
469 if (!(td)->first_error) \
470 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
474 #define td_clear_error(td) \
476 #define td_verror(td, err, func) \
477 __td_verror((td), (err), strerror((err)), (func))
478 #define td_vmsg(td, err, msg, func) \
479 __td_verror((td), (err), (msg), (func))
481 #define __fio_stringify_1(x) #x
482 #define __fio_stringify(x) __fio_stringify_1(x)
484 extern int exitall_on_terminate;
485 extern int thread_number;
486 extern int nr_process, nr_thread;
489 extern int terse_output;
490 extern int temp_stall_ts;
491 extern unsigned long long mlock_size;
492 extern unsigned long page_mask, page_size;
493 extern int read_only;
494 extern int eta_print;
495 extern unsigned long done_secs;
496 extern char *job_section;
497 extern int fio_gtod_offload;
498 extern int fio_gtod_cpu;
499 extern enum fio_cs fio_clock_source;
500 extern int warnings_fatal;
501 extern int terse_version;
502 extern int is_backend;
503 extern int nr_clients;
504 extern int log_syslog;
505 extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
507 extern struct thread_data *threads;
509 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
511 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
514 #define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
515 #define TO_MAP_BLOCK(f, b) (b)
516 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
517 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
519 #define REAL_MAX_JOBS 2048
521 #define td_non_fatal_error(e) ((e) == EIO || (e) == EILSEQ)
523 static inline void update_error_count(struct thread_data *td, int err)
525 td->total_err_count++;
526 if (td->total_err_count == 1)
527 td->first_error = err;
530 static inline int should_fsync(struct thread_data *td)
532 if (td->last_was_sync)
536 if (td_write(td) || td_rw(td) || td->o.override_sync)
543 * Init/option functions
545 extern int __must_check parse_options(int, char **);
546 extern int parse_jobs_ini(char *, int, int);
547 extern int parse_cmd_line(int, char **);
548 extern int exec_run(void);
549 extern void reset_fio_state(void);
550 extern int fio_options_parse(struct thread_data *, char **, int);
551 extern void fio_keywords_init(void);
552 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
553 extern void fio_fill_default_options(struct thread_data *);
554 extern int fio_show_option_help(const char *);
555 extern void fio_options_dup_and_init(struct option *);
556 extern void options_mem_dupe(struct thread_data *);
557 extern void options_mem_free(struct thread_data *);
558 extern void td_fill_rand_seeds(struct thread_data *);
559 extern void add_job_opts(const char **);
560 extern char *num2str(unsigned long, int, int, int);
562 #define FIO_GETOPT_JOB 0x89988998
563 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
568 extern void print_thread_status(void);
569 extern void print_status_init(int);
572 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
573 * will never back again. It may cycle between running/verififying/fsyncing.
574 * Once the thread reaches TD_EXITED, it is just waiting for the core to
590 extern void td_set_runstate(struct thread_data *, int);
591 #define TERMINATE_ALL (-1)
592 extern void fio_terminate_threads(int);
597 extern int __must_check fio_pin_memory(void);
598 extern void fio_unpin_memory(void);
599 extern int __must_check allocate_io_mem(struct thread_data *);
600 extern void free_io_mem(struct thread_data *);
603 * Reset stats after ramp time completes
605 extern void reset_all_stats(struct thread_data *);
610 #ifdef FIO_HAVE_BLKTRACE
611 extern int is_blktrace(const char *);
612 extern int load_blktrace(struct thread_data *, const char *);
616 * Mark unused variables passed to ops functions as unused, to silence gcc
618 #define fio_unused __attribute((__unused__))
619 #define fio_init __attribute__((constructor))
620 #define fio_exit __attribute__((destructor))
622 #define for_each_td(td, i) \
623 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
624 #define for_each_file(td, f, i) \
625 if ((td)->files_index) \
626 for ((i) = 0, (f) = (td)->files[0]; \
627 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
630 #define fio_assert(td, cond) do { \
633 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
634 td_set_runstate((td), TD_EXITED); \
635 (td)->error = EFAULT; \
640 static inline int fio_fill_issue_time(struct thread_data *td)
642 if (td->o.read_iolog_file ||
643 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
649 static inline int __should_check_rate(struct thread_data *td,
652 struct thread_options *o = &td->o;
655 * If some rate setting was given, we need to check it
657 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
658 o->rate_iops_min[ddir])
664 static inline int should_check_rate(struct thread_data *td,
665 unsigned long *bytes_done)
670 ret |= __should_check_rate(td, 0);
672 ret |= __should_check_rate(td, 1);
677 static inline int is_power_of_2(unsigned int val)
679 return (val != 0 && ((val & (val - 1)) == 0));
683 * We currently only need to do locking if we have verifier threads
684 * accessing our internal structures too
686 static inline void td_io_u_lock(struct thread_data *td)
688 if (td->o.verify_async)
689 pthread_mutex_lock(&td->io_u_lock);
692 static inline void td_io_u_unlock(struct thread_data *td)
694 if (td->o.verify_async)
695 pthread_mutex_unlock(&td->io_u_lock);
698 static inline void td_io_u_free_notify(struct thread_data *td)
700 if (td->o.verify_async)
701 pthread_cond_signal(&td->free_cond);
704 extern const char *fio_get_arch_string(int);
705 extern const char *fio_get_os_string(int);