8 #include <sys/resource.h>
19 #include "compiler/compiler.h"
20 #include "thread_options.h"
23 #include "lib/rbtree.h"
24 #include "arch/arch.h"
38 #include "lib/getopt.h"
49 #ifdef FIO_HAVE_SOLARISAIO
50 #include <sys/asynch.h>
53 #ifdef FIO_HAVE_LIBNUMA
54 #include <linux/mempolicy.h>
58 * "local" is pseudo-policy
60 #define MPOL_LOCAL MPOL_MAX
64 * offset generator types
72 * This describes a single thread/process executing a fio job.
75 struct thread_options o;
77 char verror[FIO_VERROR_SIZE];
79 unsigned int thread_number;
81 struct thread_stat ts;
85 struct io_log *slat_log;
86 struct io_log *clat_log;
87 struct io_log *lat_log;
88 struct io_log *bw_log;
89 struct io_log *iops_log;
91 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
92 struct timeval bw_sample_time;
94 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
95 struct timeval iops_sample_time;
97 struct rusage ru_start;
100 struct fio_file **files;
101 unsigned int files_size;
102 unsigned int files_index;
103 unsigned int nr_open_files;
104 unsigned int nr_done_files;
105 unsigned int nr_normal_files;
107 unsigned int next_file;
108 os_random_state_t next_file_state;
109 struct frand_state __next_file_state;
116 size_t orig_buffer_size;
117 volatile int terminate;
118 volatile int runstate;
119 unsigned int last_was_sync;
120 enum fio_ddir last_ddir;
129 unsigned long rand_seeds[8];
132 os_random_state_t bsrange_state;
133 struct frand_state __bsrange_state;
136 os_random_state_t verify_state;
137 struct frand_state __verify_state;
140 os_random_state_t trim_state;
141 struct frand_state __trim_state;
144 struct frand_state buf_state;
146 unsigned int verify_batch;
147 unsigned int trim_batch;
152 * IO engine hooks, contains everything needed to submit an io_u
153 * to any of the available IO engines.
155 struct ioengine_ops *io_ops;
158 * Queue depth of io_u's that fio MIGHT do
160 unsigned int cur_depth;
163 * io_u's about to be committed
165 unsigned int io_u_queued;
168 * io_u's submitted but not completed yet
170 unsigned int io_u_in_flight;
173 * List of free and busy io_u's
175 struct flist_head io_u_freelist;
176 struct flist_head io_u_busylist;
177 struct flist_head io_u_requeues;
178 pthread_mutex_t io_u_lock;
179 pthread_cond_t free_cond;
182 * async verify offload
184 struct flist_head verify_list;
185 pthread_t *verify_threads;
186 unsigned int nr_verify_threads;
187 pthread_cond_t verify_cond;
188 int verify_thread_exit;
193 unsigned long long rate_bps[DDIR_RWDIR_CNT];
194 long rate_pending_usleep[DDIR_RWDIR_CNT];
195 unsigned long rate_bytes[DDIR_RWDIR_CNT];
196 unsigned long rate_blocks[DDIR_RWDIR_CNT];
197 struct timeval lastrate[DDIR_RWDIR_CNT];
199 unsigned long long total_io_size;
200 unsigned long long fill_device_size;
202 unsigned long io_issues[DDIR_RWDIR_CNT];
203 unsigned long long io_blocks[DDIR_RWDIR_CNT];
204 unsigned long long this_io_blocks[DDIR_RWDIR_CNT];
205 unsigned long long io_bytes[DDIR_RWDIR_CNT];
206 unsigned long long io_skip_bytes;
207 unsigned long long this_io_bytes[DDIR_RWDIR_CNT];
208 unsigned long long zone_bytes;
209 struct fio_mutex *mutex;
212 * State for random io, a bitmap of blocks done vs not done
215 os_random_state_t random_state;
216 struct frand_state __random_state;
219 struct timeval start; /* start of this loop */
220 struct timeval epoch; /* time job was started */
221 struct timeval last_issue;
222 struct timeval tv_cache;
223 unsigned int tv_cache_nr;
224 unsigned int tv_cache_mask;
225 unsigned int ramp_time_over;
228 * read/write mixed workload state
231 os_random_state_t rwmix_state;
232 struct frand_state __rwmix_state;
234 unsigned long rwmix_issues;
235 enum fio_ddir rwmix_ddir;
236 unsigned int ddir_seq_nr;
239 * IO history logs for verification. We use a tree for sorting,
240 * if we are overwriting. Otherwise just use a fifo.
242 struct rb_root io_hist_tree;
243 struct flist_head io_hist_list;
244 unsigned long io_hist_len;
249 struct flist_head io_log_list;
252 * For tracking/handling discards
254 struct flist_head trim_list;
255 unsigned long trim_entries;
258 * for fileservice, how often to switch to a new file
260 unsigned int file_service_nr;
261 unsigned int file_service_left;
262 struct fio_file *file_service_file;
264 unsigned int sync_file_range_nr;
267 * For generating file sizes
270 os_random_state_t file_size_state;
271 struct frand_state __file_size_state;
277 unsigned int total_err_count;
280 struct fio_flow *flow;
283 * Can be overloaded by profiles
285 struct prof_io_ops prof_io_ops;
292 * when should interactive ETA output be generated
300 #define __td_verror(td, err, msg, func) \
306 if (!(td)->first_error) \
307 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
311 #define td_clear_error(td) \
313 #define td_verror(td, err, func) \
314 __td_verror((td), (err), strerror((err)), (func))
315 #define td_vmsg(td, err, msg, func) \
316 __td_verror((td), (err), (msg), (func))
318 #define __fio_stringify_1(x) #x
319 #define __fio_stringify(x) __fio_stringify_1(x)
321 extern int exitall_on_terminate;
322 extern unsigned int thread_number;
323 extern unsigned int stat_number;
326 extern int output_format;
327 extern int temp_stall_ts;
328 extern uintptr_t page_mask, page_size;
329 extern int read_only;
330 extern int eta_print;
331 extern unsigned long done_secs;
332 extern char *job_section;
333 extern int fio_gtod_offload;
334 extern int fio_gtod_cpu;
335 extern enum fio_cs fio_clock_source;
336 extern int warnings_fatal;
337 extern int terse_version;
338 extern int is_backend;
339 extern int nr_clients;
340 extern int log_syslog;
341 extern const char fio_version_string[];
342 extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
344 extern struct thread_data *threads;
346 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
348 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
351 #define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
352 #define TO_MAP_BLOCK(f, b) (b)
353 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
354 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
356 #define REAL_MAX_JOBS 2048
358 static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
361 return ERROR_TYPE_VERIFY_BIT;
362 if (ddir == DDIR_READ)
363 return ERROR_TYPE_READ_BIT;
364 return ERROR_TYPE_WRITE_BIT;
367 static int __NON_FATAL_ERR[] = {EIO, EILSEQ};
368 static inline int td_non_fatal_error(struct thread_data *td,
369 enum error_type_bit etype, int err)
372 if (!td->o.ignore_error[etype]) {
373 td->o.ignore_error[etype] = __NON_FATAL_ERR;
374 td->o.ignore_error_nr[etype] = sizeof(__NON_FATAL_ERR)
378 if (!(td->o.continue_on_error & (1 << etype)))
380 for (i = 0; i < td->o.ignore_error_nr[etype]; i++)
381 if (td->o.ignore_error[etype][i] == err)
386 static inline void update_error_count(struct thread_data *td, int err)
388 td->total_err_count++;
389 if (td->total_err_count == 1)
390 td->first_error = err;
393 static inline int should_fsync(struct thread_data *td)
395 if (td->last_was_sync)
399 if (td_write(td) || td_rw(td) || td->o.override_sync)
406 * Init/option functions
408 extern int __must_check fio_init_options(void);
409 extern int __must_check parse_options(int, char **);
410 extern int parse_jobs_ini(char *, int, int, int);
411 extern int parse_cmd_line(int, char **, int);
412 extern int fio_backend(void);
413 extern void reset_fio_state(void);
414 extern void clear_io_state(struct thread_data *);
415 extern int fio_options_parse(struct thread_data *, char **, int);
416 extern void fio_keywords_init(void);
417 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
418 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
419 extern void fio_fill_default_options(struct thread_data *);
420 extern int fio_show_option_help(const char *);
421 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
422 extern void fio_options_dup_and_init(struct option *);
423 extern void fio_options_mem_dupe(struct thread_data *);
424 extern void options_mem_dupe(void *data, struct fio_option *options);
425 extern void td_fill_rand_seeds(struct thread_data *);
426 extern void add_job_opts(const char **, int);
427 extern char *num2str(unsigned long, int, int, int);
428 extern int ioengine_load(struct thread_data *);
430 extern unsigned long page_mask;
431 extern unsigned long page_size;
432 extern int initialize_fio(char *envp[]);
434 #define FIO_GETOPT_JOB 0x89000000
435 #define FIO_GETOPT_IOENGINE 0x98000000
436 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
441 extern void print_thread_status(void);
442 extern void print_status_init(int);
443 extern char *fio_uint_to_kmg(unsigned int val);
446 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
447 * will never back again. It may cycle between running/verififying/fsyncing.
448 * Once the thread reaches TD_EXITED, it is just waiting for the core to
465 extern void td_set_runstate(struct thread_data *, int);
466 #define TERMINATE_ALL (-1)
467 extern void fio_terminate_threads(int);
472 extern int __must_check fio_pin_memory(struct thread_data *);
473 extern void fio_unpin_memory(struct thread_data *);
474 extern int __must_check allocate_io_mem(struct thread_data *);
475 extern void free_io_mem(struct thread_data *);
476 extern void free_threads_shm(void);
479 * Reset stats after ramp time completes
481 extern void reset_all_stats(struct thread_data *);
486 #ifdef FIO_HAVE_BLKTRACE
487 extern int is_blktrace(const char *);
488 extern int load_blktrace(struct thread_data *, const char *);
492 * Mark unused variables passed to ops functions as unused, to silence gcc
494 #define fio_unused __attribute((__unused__))
495 #define fio_init __attribute__((constructor))
496 #define fio_exit __attribute__((destructor))
498 #define for_each_td(td, i) \
499 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
500 #define for_each_file(td, f, i) \
501 if ((td)->files_index) \
502 for ((i) = 0, (f) = (td)->files[0]; \
503 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
506 #define fio_assert(td, cond) do { \
509 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
510 td_set_runstate((td), TD_EXITED); \
511 (td)->error = EFAULT; \
516 static inline int fio_fill_issue_time(struct thread_data *td)
518 if (td->o.read_iolog_file ||
519 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
525 static inline int __should_check_rate(struct thread_data *td,
528 struct thread_options *o = &td->o;
531 * If some rate setting was given, we need to check it
533 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
534 o->rate_iops_min[ddir])
540 static inline int should_check_rate(struct thread_data *td,
541 unsigned long *bytes_done)
545 if (bytes_done[DDIR_READ])
546 ret |= __should_check_rate(td, DDIR_READ);
547 if (bytes_done[DDIR_WRITE])
548 ret |= __should_check_rate(td, DDIR_WRITE);
549 if (bytes_done[DDIR_TRIM])
550 ret |= __should_check_rate(td, DDIR_TRIM);
555 static inline int is_power_of_2(unsigned int val)
557 return (val != 0 && ((val & (val - 1)) == 0));
561 * We currently only need to do locking if we have verifier threads
562 * accessing our internal structures too
564 static inline void td_io_u_lock(struct thread_data *td)
566 if (td->o.verify_async)
567 pthread_mutex_lock(&td->io_u_lock);
570 static inline void td_io_u_unlock(struct thread_data *td)
572 if (td->o.verify_async)
573 pthread_mutex_unlock(&td->io_u_lock);
576 static inline void td_io_u_free_notify(struct thread_data *td)
578 if (td->o.verify_async)
579 pthread_cond_signal(&td->free_cond);
582 extern const char *fio_get_arch_string(int);
583 extern const char *fio_get_os_string(int);
585 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
588 FIO_OUTPUT_TERSE = 0,
594 FIO_RAND_DIST_RANDOM = 0,
596 FIO_RAND_DIST_PARETO,