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];
48 * What type of allocation to use for io buffers
51 MEM_MALLOC = 0, /* ordinary malloc */
52 MEM_SHM, /* use shared memory segments */
53 MEM_SHMHUGE, /* use shared memory segments with huge pages */
54 MEM_MMAP, /* use anonynomous mmap */
55 MEM_MMAPHUGE, /* memory mapped huge file */
59 * How many depth levels to log
61 #define FIO_IO_U_MAP_NR 8
62 #define FIO_IO_U_LAT_U_NR 10
63 #define FIO_IO_U_LAT_M_NR 12
74 struct io_log *slat_log;
75 struct io_log *clat_log;
76 struct io_log *bw_log;
79 * bandwidth and latency stats
81 struct io_stat clat_stat[2]; /* completion latency */
82 struct io_stat slat_stat[2]; /* submission latency */
83 struct io_stat bw_stat[2]; /* bandwidth stats */
85 unsigned long long stat_io_bytes[2];
86 struct timeval stat_sample_time[2];
89 * fio system usage accounting
91 struct rusage ru_start;
93 unsigned long usr_time;
94 unsigned long sys_time;
96 unsigned long minf, majf;
99 * IO depth and latency stats
101 unsigned int io_u_map[FIO_IO_U_MAP_NR];
102 unsigned int io_u_submit[FIO_IO_U_MAP_NR];
103 unsigned int io_u_complete[FIO_IO_U_MAP_NR];
104 unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR];
105 unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR];
106 unsigned long total_io_u[2];
107 unsigned long short_io_u[2];
108 unsigned long total_submit;
109 unsigned long total_complete;
111 unsigned long long io_bytes[2];
112 unsigned long runtime[2];
113 unsigned long total_run_time;
121 struct thread_options {
129 enum td_ddir td_ddir;
130 unsigned int ddir_nr;
131 unsigned int iodepth;
132 unsigned int iodepth_low;
133 unsigned int iodepth_batch;
134 unsigned int iodepth_batch_complete;
136 unsigned long long size;
137 unsigned int fill_device;
138 unsigned long long file_size_low;
139 unsigned long long file_size_high;
140 unsigned long long start_offset;
144 unsigned int min_bs[2];
145 unsigned int max_bs[2];
146 struct bssplit *bssplit[2];
147 unsigned int bssplit_nr[2];
149 unsigned int nr_files;
150 unsigned int open_files;
151 enum file_lock_mode file_lock_mode;
152 unsigned int lockfile_batch;
154 unsigned int odirect;
155 unsigned int invalidate_cache;
156 unsigned int create_serialize;
157 unsigned int create_fsync;
158 unsigned int create_on_open;
159 unsigned int end_fsync;
160 unsigned int pre_read;
161 unsigned int sync_io;
163 unsigned int do_verify;
164 unsigned int verifysort;
165 unsigned int verify_interval;
166 unsigned int verify_offset;
167 unsigned int verify_pattern;
168 unsigned int verify_pattern_bytes;
169 unsigned int verify_fatal;
170 unsigned int use_thread;
172 unsigned int do_disk_util;
173 unsigned int override_sync;
174 unsigned int rand_repeatable;
175 unsigned int write_lat_log;
176 unsigned int write_bw_log;
177 unsigned int norandommap;
178 unsigned int softrandommap;
179 unsigned int bs_unaligned;
180 unsigned int fsync_on_close;
182 unsigned int hugepage_size;
183 unsigned int rw_min_bs;
184 unsigned int thinktime;
185 unsigned int thinktime_spin;
186 unsigned int thinktime_blocks;
187 unsigned int fsync_blocks;
188 unsigned int start_delay;
189 unsigned long long timeout;
190 unsigned long long ramp_time;
191 unsigned int overwrite;
192 unsigned int bw_avg_time;
194 unsigned long long zone_size;
195 unsigned long long zone_skip;
196 enum fio_memtype mem_type;
198 unsigned int stonewall;
199 unsigned int new_group;
200 unsigned int numjobs;
201 os_cpu_mask_t cpumask;
202 unsigned int cpumask_set;
204 unsigned int rwmixcycle;
205 unsigned int rwmix[2];
207 unsigned int file_service_type;
208 unsigned int group_reporting;
209 unsigned int fadvise_hint;
210 unsigned int zero_buffers;
211 unsigned int refill_buffers;
212 unsigned int time_based;
213 unsigned int disable_clat;
214 unsigned int disable_slat;
215 unsigned int disable_bw;
216 unsigned int gtod_reduce;
217 unsigned int gtod_cpu;
218 unsigned int gtod_offload;
220 char *read_iolog_file;
221 char *write_iolog_file;
226 * Pre-run and post-run shell
232 unsigned int ratemin;
233 unsigned int ratecycle;
234 unsigned int rate_iops;
235 unsigned int rate_iops_min;
240 * CPU "io" cycle burner
242 unsigned int cpuload;
243 unsigned int cpucycle;
246 #define FIO_VERROR_SIZE 128
249 * This describes a single thread/process executing a fio job.
252 struct thread_options o;
253 char verror[FIO_VERROR_SIZE];
257 struct thread_stat ts;
258 struct fio_file **files;
259 unsigned int files_size;
260 unsigned int files_index;
261 unsigned int nr_open_files;
262 unsigned int nr_done_files;
263 unsigned int nr_normal_files;
265 unsigned int next_file;
266 os_random_state_t next_file_state;
272 size_t orig_buffer_size;
273 volatile int terminate;
274 volatile int runstate;
276 unsigned int ioprio_set;
277 unsigned int last_was_sync;
287 unsigned long rand_seeds[6];
289 os_random_state_t bsrange_state;
290 os_random_state_t verify_state;
295 * IO engine hooks, contains everything needed to submit an io_u
296 * to any of the available IO engines.
298 struct ioengine_ops *io_ops;
301 * Current IO depth and list of free and busy io_u's.
303 unsigned int cur_depth;
304 unsigned int io_u_queued;
305 struct flist_head io_u_freelist;
306 struct flist_head io_u_busylist;
307 struct flist_head io_u_requeues;
312 unsigned long rate_usec_cycle;
313 long rate_pending_usleep;
314 unsigned long rate_bytes;
315 unsigned long rate_blocks;
316 struct timeval lastrate;
318 unsigned long long total_io_size;
320 unsigned long io_issues[2];
321 unsigned long long io_blocks[2];
322 unsigned long long io_bytes[2];
323 unsigned long long io_skip_bytes;
324 unsigned long long this_io_bytes[2];
325 unsigned long long zone_bytes;
326 struct fio_mutex *mutex;
329 * State for random io, a bitmap of blocks done vs not done
331 os_random_state_t random_state;
333 struct timeval start; /* start of this loop */
334 struct timeval epoch; /* time job was started */
335 struct timeval rw_end[2];
336 struct timeval last_issue;
337 struct timeval tv_cache;
338 unsigned int tv_cache_nr;
339 unsigned int tv_cache_mask;
340 unsigned int rw_end_set[2];
341 unsigned int ramp_time_over;
344 * read/write mixed workload state
346 os_random_state_t rwmix_state;
347 unsigned long rwmix_issues;
348 enum fio_ddir rwmix_ddir;
349 unsigned int ddir_nr;
352 * IO history logs for verification. We use a tree for sorting,
353 * if we are overwriting. Otherwise just use a fifo.
355 struct rb_root io_hist_tree;
356 struct flist_head io_hist_list;
361 struct flist_head io_log_list;
364 * for fileservice, how often to switch to a new file
366 unsigned int file_service_nr;
367 unsigned int file_service_left;
368 struct fio_file *file_service_file;
371 * For generating file sizes
373 os_random_state_t file_size_state;
377 * when should interactive ETA output be generated
385 #define __td_verror(td, err, msg, func) \
391 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
395 #define td_verror(td, err, func) \
396 __td_verror((td), (err), strerror((err)), (func))
397 #define td_vmsg(td, err, msg, func) \
398 __td_verror((td), (err), (msg), (func))
400 extern int exitall_on_terminate;
401 extern int thread_number;
402 extern int nr_process, nr_thread;
405 extern int terse_output;
406 extern int temp_stall_ts;
407 extern unsigned long long mlock_size;
408 extern unsigned long page_mask, page_size;
409 extern int read_only;
410 extern int eta_print;
411 extern unsigned long done_secs;
412 extern char *job_section;
413 extern int fio_gtod_offload;
414 extern int fio_gtod_cpu;
416 extern struct thread_data *threads;
418 #define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ)
419 #define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE)
420 #define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW)
421 #define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND)
422 #define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map)
424 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
426 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
429 #define BLOCKS_PER_MAP (8 * sizeof(int))
430 #define TO_MAP_BLOCK(f, b) (b)
431 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
432 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
434 #define MAX_JOBS (1024)
436 static inline int should_fsync(struct thread_data *td)
438 if (td->last_was_sync)
442 if (td_write(td) || td_rw(td) || td->o.override_sync)
451 extern unsigned long long utime_since(struct timeval *, struct timeval *);
452 extern unsigned long long utime_since_now(struct timeval *);
453 extern unsigned long mtime_since(struct timeval *, struct timeval *);
454 extern unsigned long mtime_since_now(struct timeval *);
455 extern unsigned long time_since_now(struct timeval *);
456 extern unsigned long mtime_since_genesis(void);
457 extern void usec_spin(unsigned int);
458 extern void usec_sleep(struct thread_data *, unsigned long);
459 extern void rate_throttle(struct thread_data *, unsigned long, unsigned int);
460 extern void fill_start_time(struct timeval *);
461 extern void fio_gettime(struct timeval *, void *);
462 extern void fio_gtod_init(void);
463 extern void fio_gtod_update(void);
464 extern void set_genesis_time(void);
465 extern int ramp_time_over(struct thread_data *);
466 extern int in_ramp_time(struct thread_data *);
469 * Init/option functions
471 extern int __must_check parse_options(int, char **);
472 extern int fio_options_parse(struct thread_data *, char **, int);
473 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
474 extern void fio_fill_default_options(struct thread_data *);
475 extern int fio_show_option_help(const char *);
476 extern void fio_options_dup_and_init(struct option *);
477 extern void options_mem_dupe(struct thread_data *);
478 extern void options_mem_free(struct thread_data *);
479 extern void td_fill_rand_seeds(struct thread_data *);
480 #define FIO_GETOPT_JOB 0x89988998
481 #define FIO_NR_OPTIONS 128
486 extern void print_thread_status(void);
487 extern void print_status_init(int);
490 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
491 * will never back again. It may cycle between running/verififying/fsyncing.
492 * Once the thread reaches TD_EXITED, it is just waiting for the core to
508 extern void td_set_runstate(struct thread_data *, int);
513 extern int __must_check fio_pin_memory(void);
514 extern void fio_unpin_memory(void);
515 extern int __must_check allocate_io_mem(struct thread_data *);
516 extern void free_io_mem(struct thread_data *);
519 * Reset stats after ramp time completes
521 extern void reset_all_stats(struct thread_data *);
526 #ifdef FIO_HAVE_BLKTRACE
527 extern int is_blktrace(const char *);
528 extern int load_blktrace(struct thread_data *, const char *);
532 * Mark unused variables passed to ops functions as unused, to silence gcc
534 #define fio_unused __attribute((__unused__))
535 #define fio_init __attribute__((constructor))
536 #define fio_exit __attribute__((destructor))
538 #define for_each_td(td, i) \
539 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
540 #define for_each_file(td, f, i) \
541 if ((td)->files_index) \
542 for ((i) = 0, (f) = (td)->files[0]; \
543 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
546 #define fio_assert(td, cond) do { \
549 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
550 (td)->runstate = TD_EXITED; \
551 (td)->error = EFAULT; \
556 static inline void fio_file_reset(struct fio_file *f)
558 f->last_free_lookup = 0;
559 f->last_pos = f->file_offset;
561 memset(f->file_map, 0, f->num_maps * sizeof(int));
564 static inline void clear_error(struct thread_data *td)
567 td->verror[0] = '\0';
571 static inline void dprint_io_u(struct io_u *io_u, const char *p)
573 struct fio_file *f = io_u->file;
575 dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u,
576 (unsigned long long) io_u->offset,
577 io_u->buflen, io_u->ddir);
578 if (fio_debug & (1 << FD_IO)) {
580 log_info("/%s", f->file_name);
586 #define dprint_io_u(io_u, p)
589 static inline int fio_fill_issue_time(struct thread_data *td)
591 if (td->o.read_iolog_file ||
592 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)