8 #include <sys/resource.h>
17 #include "compiler/compiler.h"
18 #include "thread_options.h"
21 #include "arch/arch.h"
35 #include "lib/getopt.h"
37 #include "lib/rbtree.h"
43 #ifdef CONFIG_SOLARISAIO
44 #include <sys/asynch.h>
48 #include <linux/mempolicy.h>
52 * "local" is pseudo-policy
54 #define MPOL_LOCAL MPOL_MAX
58 * offset generator types
67 TD_F_TRIM_BACKLOG = 2,
69 TD_F_REFILL_BUFFERS = 8,
70 TD_F_SCRAMBLE_BUFFERS = 16,
72 TD_F_PROFILE_OPS = 64,
81 FIO_RAND_FILE_SIZE_OFF,
88 * This describes a single thread/process executing a fio job.
91 struct thread_options o;
94 char verror[FIO_VERROR_SIZE];
96 unsigned int thread_number;
98 struct thread_stat ts;
102 struct io_log *slat_log;
103 struct io_log *clat_log;
104 struct io_log *lat_log;
105 struct io_log *bw_log;
106 struct io_log *iops_log;
108 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
109 struct timeval bw_sample_time;
111 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
112 struct timeval iops_sample_time;
114 volatile int update_rusage;
115 struct fio_mutex *rusage_sem;
116 struct rusage ru_start;
117 struct rusage ru_end;
119 struct fio_file **files;
120 unsigned char *file_locks;
121 unsigned int files_size;
122 unsigned int files_index;
123 unsigned int nr_open_files;
124 unsigned int nr_done_files;
125 unsigned int nr_normal_files;
127 unsigned int next_file;
128 os_random_state_t next_file_state;
129 struct frand_state __next_file_state;
136 size_t orig_buffer_size;
137 volatile int terminate;
138 volatile int runstate;
139 unsigned int last_was_sync;
140 enum fio_ddir last_ddir;
149 unsigned long rand_seeds[FIO_RAND_NR_OFFS];
152 os_random_state_t bsrange_state;
153 struct frand_state __bsrange_state;
156 os_random_state_t verify_state;
157 struct frand_state __verify_state;
160 os_random_state_t trim_state;
161 struct frand_state __trim_state;
164 struct frand_state buf_state;
166 unsigned int verify_batch;
167 unsigned int trim_batch;
172 * IO engine hooks, contains everything needed to submit an io_u
173 * to any of the available IO engines.
175 struct ioengine_ops *io_ops;
178 * Queue depth of io_u's that fio MIGHT do
180 unsigned int cur_depth;
183 * io_u's about to be committed
185 unsigned int io_u_queued;
188 * io_u's submitted but not completed yet
190 unsigned int io_u_in_flight;
193 * List of free and busy io_u's
195 struct flist_head io_u_freelist;
196 struct flist_head io_u_busylist;
197 struct flist_head io_u_requeues;
198 pthread_mutex_t io_u_lock;
199 pthread_cond_t free_cond;
202 * async verify offload
204 struct flist_head verify_list;
205 pthread_t *verify_threads;
206 unsigned int nr_verify_threads;
207 pthread_cond_t verify_cond;
208 int verify_thread_exit;
213 uint64_t rate_bps[DDIR_RWDIR_CNT];
214 long rate_pending_usleep[DDIR_RWDIR_CNT];
215 unsigned long rate_bytes[DDIR_RWDIR_CNT];
216 unsigned long rate_blocks[DDIR_RWDIR_CNT];
217 struct timeval lastrate[DDIR_RWDIR_CNT];
219 uint64_t total_io_size;
220 uint64_t fill_device_size;
222 unsigned long io_issues[DDIR_RWDIR_CNT];
223 uint64_t io_blocks[DDIR_RWDIR_CNT];
224 uint64_t this_io_blocks[DDIR_RWDIR_CNT];
225 uint64_t io_bytes[DDIR_RWDIR_CNT];
226 uint64_t io_skip_bytes;
227 uint64_t this_io_bytes[DDIR_RWDIR_CNT];
229 struct fio_mutex *mutex;
232 * State for random io, a bitmap of blocks done vs not done
235 os_random_state_t random_state;
236 struct frand_state __random_state;
239 struct timeval start; /* start of this loop */
240 struct timeval epoch; /* time job was started */
241 struct timeval last_issue;
242 struct timeval tv_cache;
243 unsigned int tv_cache_nr;
244 unsigned int tv_cache_mask;
245 unsigned int ramp_time_over;
248 * read/write mixed workload state
251 os_random_state_t rwmix_state;
252 struct frand_state __rwmix_state;
254 unsigned long rwmix_issues;
255 enum fio_ddir rwmix_ddir;
256 unsigned int ddir_seq_nr;
259 * IO history logs for verification. We use a tree for sorting,
260 * if we are overwriting. Otherwise just use a fifo.
262 struct rb_root io_hist_tree;
263 struct flist_head io_hist_list;
264 unsigned long io_hist_len;
269 struct flist_head io_log_list;
272 * For tracking/handling discards
274 struct flist_head trim_list;
275 unsigned long trim_entries;
277 struct flist_head next_rand_list;
280 * for fileservice, how often to switch to a new file
282 unsigned int file_service_nr;
283 unsigned int file_service_left;
284 struct fio_file *file_service_file;
286 unsigned int sync_file_range_nr;
289 * For generating file sizes
292 os_random_state_t file_size_state;
293 struct frand_state __file_size_state;
299 unsigned int total_err_count;
302 struct fio_flow *flow;
305 * Can be overloaded by profiles
307 struct prof_io_ops prof_io_ops;
314 * when should interactive ETA output be generated
322 #define __td_verror(td, err, msg, func) \
328 if (!(td)->first_error) \
329 snprintf(td->verror, sizeof(td->verror), "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
333 #define td_clear_error(td) \
335 #define td_verror(td, err, func) \
336 __td_verror((td), (err), strerror((err)), (func))
337 #define td_vmsg(td, err, msg, func) \
338 __td_verror((td), (err), (msg), (func))
340 #define __fio_stringify_1(x) #x
341 #define __fio_stringify(x) __fio_stringify_1(x)
343 extern int exitall_on_terminate;
344 extern unsigned int thread_number;
345 extern unsigned int stat_number;
348 extern int output_format;
349 extern int temp_stall_ts;
350 extern uintptr_t page_mask, page_size;
351 extern int read_only;
352 extern int eta_print;
353 extern int eta_new_line;
354 extern unsigned long done_secs;
355 extern char *job_section;
356 extern int fio_gtod_offload;
357 extern int fio_gtod_cpu;
358 extern enum fio_cs fio_clock_source;
359 extern int fio_clock_source_set;
360 extern int warnings_fatal;
361 extern int terse_version;
362 extern int is_backend;
363 extern int nr_clients;
364 extern int log_syslog;
365 extern int status_interval;
366 extern const char fio_version_string[];
368 extern struct thread_data *threads;
370 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
372 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
375 #define REAL_MAX_JOBS 2048
377 static inline int should_fsync(struct thread_data *td)
379 if (td->last_was_sync)
381 if (td_write(td) || td_rw(td) || td->o.override_sync)
388 * Init/option functions
390 extern int __must_check fio_init_options(void);
391 extern int __must_check parse_options(int, char **);
392 extern int parse_jobs_ini(char *, int, int, int);
393 extern int parse_cmd_line(int, char **, int);
394 extern int fio_backend(void);
395 extern void reset_fio_state(void);
396 extern void clear_io_state(struct thread_data *);
397 extern int fio_options_parse(struct thread_data *, char **, int);
398 extern void fio_keywords_init(void);
399 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
400 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
401 extern void fio_fill_default_options(struct thread_data *);
402 extern int fio_show_option_help(const char *);
403 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
404 extern void fio_options_dup_and_init(struct option *);
405 extern void fio_options_mem_dupe(struct thread_data *);
406 extern void options_mem_dupe(void *data, struct fio_option *options);
407 extern void td_fill_rand_seeds(struct thread_data *);
408 extern void add_job_opts(const char **, int);
409 extern char *num2str(unsigned long, int, int, int, int);
410 extern int ioengine_load(struct thread_data *);
412 extern uintptr_t page_mask;
413 extern uintptr_t page_size;
414 extern int initialize_fio(char *envp[]);
416 #define FIO_GETOPT_JOB 0x89000000
417 #define FIO_GETOPT_IOENGINE 0x98000000
418 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
423 extern void print_thread_status(void);
424 extern void print_status_init(int);
425 extern char *fio_uint_to_kmg(unsigned int val);
428 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
429 * will never back again. It may cycle between running/verififying/fsyncing.
430 * Once the thread reaches TD_EXITED, it is just waiting for the core to
447 extern void td_set_runstate(struct thread_data *, int);
448 #define TERMINATE_ALL (-1)
449 extern void fio_terminate_threads(int);
454 extern int __must_check fio_pin_memory(struct thread_data *);
455 extern void fio_unpin_memory(struct thread_data *);
456 extern int __must_check allocate_io_mem(struct thread_data *);
457 extern void free_io_mem(struct thread_data *);
458 extern void free_threads_shm(void);
461 * Reset stats after ramp time completes
463 extern void reset_all_stats(struct thread_data *);
468 #ifdef FIO_HAVE_BLKTRACE
469 extern int is_blktrace(const char *);
470 extern int load_blktrace(struct thread_data *, const char *);
473 #define for_each_td(td, i) \
474 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
475 #define for_each_file(td, f, i) \
476 if ((td)->files_index) \
477 for ((i) = 0, (f) = (td)->files[0]; \
478 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
481 #define fio_assert(td, cond) do { \
484 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
485 td_set_runstate((td), TD_EXITED); \
486 (td)->error = EFAULT; \
491 static inline int fio_fill_issue_time(struct thread_data *td)
493 if (td->o.read_iolog_file ||
494 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
500 static inline int __should_check_rate(struct thread_data *td,
503 struct thread_options *o = &td->o;
506 * If some rate setting was given, we need to check it
508 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
509 o->rate_iops_min[ddir])
515 static inline int should_check_rate(struct thread_data *td,
516 uint64_t *bytes_done)
520 if (bytes_done[DDIR_READ])
521 ret |= __should_check_rate(td, DDIR_READ);
522 if (bytes_done[DDIR_WRITE])
523 ret |= __should_check_rate(td, DDIR_WRITE);
524 if (bytes_done[DDIR_TRIM])
525 ret |= __should_check_rate(td, DDIR_TRIM);
530 static inline unsigned int td_max_bs(struct thread_data *td)
534 max_bs = max(td->o.max_bs[DDIR_READ], td->o.max_bs[DDIR_WRITE]);
535 return max(td->o.max_bs[DDIR_TRIM], max_bs);
538 static inline int is_power_of_2(unsigned int val)
540 return (val != 0 && ((val & (val - 1)) == 0));
544 * We currently only need to do locking if we have verifier threads
545 * accessing our internal structures too
547 static inline void td_io_u_lock(struct thread_data *td)
549 if (td->o.verify_async)
550 pthread_mutex_lock(&td->io_u_lock);
553 static inline void td_io_u_unlock(struct thread_data *td)
555 if (td->o.verify_async)
556 pthread_mutex_unlock(&td->io_u_lock);
559 static inline void td_io_u_free_notify(struct thread_data *td)
561 if (td->o.verify_async)
562 pthread_cond_signal(&td->free_cond);
565 extern const char *fio_get_arch_string(int);
566 extern const char *fio_get_os_string(int);
568 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
571 FIO_OUTPUT_TERSE = 0,
577 FIO_RAND_DIST_RANDOM = 0,
579 FIO_RAND_DIST_PARETO,
583 FIO_RAND_GEN_TAUSWORTHE = 0,