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
74 TD_F_TRIM_BACKLOG = 2,
76 TD_F_REFILL_BUFFERS = 8,
77 TD_F_SCRAMBLE_BUFFERS = 16,
79 TD_F_PROFILE_OPS = 64,
83 * This describes a single thread/process executing a fio job.
86 struct thread_options o;
89 char verror[FIO_VERROR_SIZE];
91 unsigned int thread_number;
93 struct thread_stat ts;
97 struct io_log *slat_log;
98 struct io_log *clat_log;
99 struct io_log *lat_log;
100 struct io_log *bw_log;
101 struct io_log *iops_log;
103 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
104 struct timeval bw_sample_time;
106 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
107 struct timeval iops_sample_time;
109 struct rusage ru_start;
110 struct rusage ru_end;
112 struct fio_file **files;
113 unsigned int files_size;
114 unsigned int files_index;
115 unsigned int nr_open_files;
116 unsigned int nr_done_files;
117 unsigned int nr_normal_files;
119 unsigned int next_file;
120 os_random_state_t next_file_state;
121 struct frand_state __next_file_state;
128 size_t orig_buffer_size;
129 volatile int terminate;
130 volatile int runstate;
131 unsigned int last_was_sync;
132 enum fio_ddir last_ddir;
141 unsigned long rand_seeds[8];
144 os_random_state_t bsrange_state;
145 struct frand_state __bsrange_state;
148 os_random_state_t verify_state;
149 struct frand_state __verify_state;
152 os_random_state_t trim_state;
153 struct frand_state __trim_state;
156 struct frand_state buf_state;
158 unsigned int verify_batch;
159 unsigned int trim_batch;
164 * IO engine hooks, contains everything needed to submit an io_u
165 * to any of the available IO engines.
167 struct ioengine_ops *io_ops;
170 * Queue depth of io_u's that fio MIGHT do
172 unsigned int cur_depth;
175 * io_u's about to be committed
177 unsigned int io_u_queued;
180 * io_u's submitted but not completed yet
182 unsigned int io_u_in_flight;
185 * List of free and busy io_u's
187 struct flist_head io_u_freelist;
188 struct flist_head io_u_busylist;
189 struct flist_head io_u_requeues;
190 pthread_mutex_t io_u_lock;
191 pthread_cond_t free_cond;
194 * async verify offload
196 struct flist_head verify_list;
197 pthread_t *verify_threads;
198 unsigned int nr_verify_threads;
199 pthread_cond_t verify_cond;
200 int verify_thread_exit;
205 unsigned long long rate_bps[DDIR_RWDIR_CNT];
206 long rate_pending_usleep[DDIR_RWDIR_CNT];
207 unsigned long rate_bytes[DDIR_RWDIR_CNT];
208 unsigned long rate_blocks[DDIR_RWDIR_CNT];
209 struct timeval lastrate[DDIR_RWDIR_CNT];
211 unsigned long long total_io_size;
212 unsigned long long fill_device_size;
214 unsigned long io_issues[DDIR_RWDIR_CNT];
215 unsigned long long io_blocks[DDIR_RWDIR_CNT];
216 unsigned long long this_io_blocks[DDIR_RWDIR_CNT];
217 unsigned long long io_bytes[DDIR_RWDIR_CNT];
218 unsigned long long io_skip_bytes;
219 unsigned long long this_io_bytes[DDIR_RWDIR_CNT];
220 unsigned long long zone_bytes;
221 struct fio_mutex *mutex;
224 * State for random io, a bitmap of blocks done vs not done
227 os_random_state_t random_state;
228 struct frand_state __random_state;
231 struct timeval start; /* start of this loop */
232 struct timeval epoch; /* time job was started */
233 struct timeval last_issue;
234 struct timeval tv_cache;
235 unsigned int tv_cache_nr;
236 unsigned int tv_cache_mask;
237 unsigned int ramp_time_over;
240 * read/write mixed workload state
243 os_random_state_t rwmix_state;
244 struct frand_state __rwmix_state;
246 unsigned long rwmix_issues;
247 enum fio_ddir rwmix_ddir;
248 unsigned int ddir_seq_nr;
251 * IO history logs for verification. We use a tree for sorting,
252 * if we are overwriting. Otherwise just use a fifo.
254 struct rb_root io_hist_tree;
255 struct flist_head io_hist_list;
256 unsigned long io_hist_len;
261 struct flist_head io_log_list;
264 * For tracking/handling discards
266 struct flist_head trim_list;
267 unsigned long trim_entries;
270 * for fileservice, how often to switch to a new file
272 unsigned int file_service_nr;
273 unsigned int file_service_left;
274 struct fio_file *file_service_file;
276 unsigned int sync_file_range_nr;
279 * For generating file sizes
282 os_random_state_t file_size_state;
283 struct frand_state __file_size_state;
289 unsigned int total_err_count;
292 struct fio_flow *flow;
295 * Can be overloaded by profiles
297 struct prof_io_ops prof_io_ops;
304 * when should interactive ETA output be generated
312 #define __td_verror(td, err, msg, func) \
318 if (!(td)->first_error) \
319 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
323 #define td_clear_error(td) \
325 #define td_verror(td, err, func) \
326 __td_verror((td), (err), strerror((err)), (func))
327 #define td_vmsg(td, err, msg, func) \
328 __td_verror((td), (err), (msg), (func))
330 #define __fio_stringify_1(x) #x
331 #define __fio_stringify(x) __fio_stringify_1(x)
333 extern int exitall_on_terminate;
334 extern unsigned int thread_number;
335 extern unsigned int stat_number;
338 extern int output_format;
339 extern int temp_stall_ts;
340 extern uintptr_t page_mask, page_size;
341 extern int read_only;
342 extern int eta_print;
343 extern unsigned long done_secs;
344 extern char *job_section;
345 extern int fio_gtod_offload;
346 extern int fio_gtod_cpu;
347 extern enum fio_cs fio_clock_source;
348 extern int warnings_fatal;
349 extern int terse_version;
350 extern int is_backend;
351 extern int nr_clients;
352 extern int log_syslog;
353 extern const char fio_version_string[];
354 extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
356 extern struct thread_data *threads;
358 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
360 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
363 #define REAL_MAX_JOBS 2048
365 static inline enum error_type_bit td_error_type(enum fio_ddir ddir, int err)
368 return ERROR_TYPE_VERIFY_BIT;
369 if (ddir == DDIR_READ)
370 return ERROR_TYPE_READ_BIT;
371 return ERROR_TYPE_WRITE_BIT;
374 static int __NON_FATAL_ERR[] = {EIO, EILSEQ};
375 static inline int td_non_fatal_error(struct thread_data *td,
376 enum error_type_bit etype, int err)
379 if (!td->o.ignore_error[etype]) {
380 td->o.ignore_error[etype] = __NON_FATAL_ERR;
381 td->o.ignore_error_nr[etype] = sizeof(__NON_FATAL_ERR)
385 if (!(td->o.continue_on_error & (1 << etype)))
387 for (i = 0; i < td->o.ignore_error_nr[etype]; i++)
388 if (td->o.ignore_error[etype][i] == err)
393 static inline void update_error_count(struct thread_data *td, int err)
395 td->total_err_count++;
396 if (td->total_err_count == 1)
397 td->first_error = err;
400 static inline int should_fsync(struct thread_data *td)
402 if (td->last_was_sync)
406 if (td_write(td) || td_rw(td) || td->o.override_sync)
413 * Init/option functions
415 extern int __must_check fio_init_options(void);
416 extern int __must_check parse_options(int, char **);
417 extern int parse_jobs_ini(char *, int, int, int);
418 extern int parse_cmd_line(int, char **, int);
419 extern int fio_backend(void);
420 extern void reset_fio_state(void);
421 extern void clear_io_state(struct thread_data *);
422 extern int fio_options_parse(struct thread_data *, char **, int);
423 extern void fio_keywords_init(void);
424 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
425 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
426 extern void fio_fill_default_options(struct thread_data *);
427 extern int fio_show_option_help(const char *);
428 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
429 extern void fio_options_dup_and_init(struct option *);
430 extern void fio_options_mem_dupe(struct thread_data *);
431 extern void options_mem_dupe(void *data, struct fio_option *options);
432 extern void td_fill_rand_seeds(struct thread_data *);
433 extern void add_job_opts(const char **, int);
434 extern char *num2str(unsigned long, int, int, int);
435 extern int ioengine_load(struct thread_data *);
437 extern unsigned long page_mask;
438 extern unsigned long page_size;
439 extern int initialize_fio(char *envp[]);
441 #define FIO_GETOPT_JOB 0x89000000
442 #define FIO_GETOPT_IOENGINE 0x98000000
443 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
448 extern void print_thread_status(void);
449 extern void print_status_init(int);
450 extern char *fio_uint_to_kmg(unsigned int val);
453 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
454 * will never back again. It may cycle between running/verififying/fsyncing.
455 * Once the thread reaches TD_EXITED, it is just waiting for the core to
472 extern void td_set_runstate(struct thread_data *, int);
473 #define TERMINATE_ALL (-1)
474 extern void fio_terminate_threads(int);
479 extern int __must_check fio_pin_memory(struct thread_data *);
480 extern void fio_unpin_memory(struct thread_data *);
481 extern int __must_check allocate_io_mem(struct thread_data *);
482 extern void free_io_mem(struct thread_data *);
483 extern void free_threads_shm(void);
486 * Reset stats after ramp time completes
488 extern void reset_all_stats(struct thread_data *);
493 #ifdef FIO_HAVE_BLKTRACE
494 extern int is_blktrace(const char *);
495 extern int load_blktrace(struct thread_data *, const char *);
499 * Mark unused variables passed to ops functions as unused, to silence gcc
501 #define fio_unused __attribute((__unused__))
502 #define fio_init __attribute__((constructor))
503 #define fio_exit __attribute__((destructor))
505 #define for_each_td(td, i) \
506 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
507 #define for_each_file(td, f, i) \
508 if ((td)->files_index) \
509 for ((i) = 0, (f) = (td)->files[0]; \
510 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
513 #define fio_assert(td, cond) do { \
516 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
517 td_set_runstate((td), TD_EXITED); \
518 (td)->error = EFAULT; \
523 static inline int fio_fill_issue_time(struct thread_data *td)
525 if (td->o.read_iolog_file ||
526 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
532 static inline int __should_check_rate(struct thread_data *td,
535 struct thread_options *o = &td->o;
538 * If some rate setting was given, we need to check it
540 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
541 o->rate_iops_min[ddir])
547 static inline int should_check_rate(struct thread_data *td,
548 unsigned long *bytes_done)
552 if (bytes_done[DDIR_READ])
553 ret |= __should_check_rate(td, DDIR_READ);
554 if (bytes_done[DDIR_WRITE])
555 ret |= __should_check_rate(td, DDIR_WRITE);
556 if (bytes_done[DDIR_TRIM])
557 ret |= __should_check_rate(td, DDIR_TRIM);
562 static inline int is_power_of_2(unsigned int val)
564 return (val != 0 && ((val & (val - 1)) == 0));
568 * We currently only need to do locking if we have verifier threads
569 * accessing our internal structures too
571 static inline void td_io_u_lock(struct thread_data *td)
573 if (td->o.verify_async)
574 pthread_mutex_lock(&td->io_u_lock);
577 static inline void td_io_u_unlock(struct thread_data *td)
579 if (td->o.verify_async)
580 pthread_mutex_unlock(&td->io_u_lock);
583 static inline void td_io_u_free_notify(struct thread_data *td)
585 if (td->o.verify_async)
586 pthread_cond_signal(&td->free_cond);
589 extern const char *fio_get_arch_string(int);
590 extern const char *fio_get_os_string(int);
592 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
595 FIO_OUTPUT_TERSE = 0,
601 FIO_RAND_DIST_RANDOM = 0,
603 FIO_RAND_DIST_PARETO,
607 FIO_RAND_GEN_TAUSWORTHE = 0,