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>
54 * offset generator types
62 * This describes a single thread/process executing a fio job.
65 struct thread_options o;
67 char verror[FIO_VERROR_SIZE];
69 unsigned int thread_number;
71 struct thread_stat ts;
75 struct io_log *slat_log;
76 struct io_log *clat_log;
77 struct io_log *lat_log;
78 struct io_log *bw_log;
79 struct io_log *iops_log;
81 uint64_t stat_io_bytes[DDIR_RWDIR_CNT];
82 struct timeval bw_sample_time;
84 uint64_t stat_io_blocks[DDIR_RWDIR_CNT];
85 struct timeval iops_sample_time;
87 struct rusage ru_start;
90 struct fio_file **files;
91 unsigned int files_size;
92 unsigned int files_index;
93 unsigned int nr_open_files;
94 unsigned int nr_done_files;
95 unsigned int nr_normal_files;
97 unsigned int next_file;
98 os_random_state_t next_file_state;
99 struct frand_state __next_file_state;
106 size_t orig_buffer_size;
107 volatile int terminate;
108 volatile int runstate;
109 unsigned int last_was_sync;
110 enum fio_ddir last_ddir;
119 unsigned long rand_seeds[8];
122 os_random_state_t bsrange_state;
123 struct frand_state __bsrange_state;
126 os_random_state_t verify_state;
127 struct frand_state __verify_state;
130 os_random_state_t trim_state;
131 struct frand_state __trim_state;
134 struct frand_state buf_state;
136 unsigned int verify_batch;
137 unsigned int trim_batch;
142 * IO engine hooks, contains everything needed to submit an io_u
143 * to any of the available IO engines.
145 struct ioengine_ops *io_ops;
148 * Queue depth of io_u's that fio MIGHT do
150 unsigned int cur_depth;
153 * io_u's about to be committed
155 unsigned int io_u_queued;
158 * io_u's submitted but not completed yet
160 unsigned int io_u_in_flight;
163 * List of free and busy io_u's
165 struct flist_head io_u_freelist;
166 struct flist_head io_u_busylist;
167 struct flist_head io_u_requeues;
168 pthread_mutex_t io_u_lock;
169 pthread_cond_t free_cond;
172 * async verify offload
174 struct flist_head verify_list;
175 pthread_t *verify_threads;
176 unsigned int nr_verify_threads;
177 pthread_cond_t verify_cond;
178 int verify_thread_exit;
183 unsigned long long rate_bps[DDIR_RWDIR_CNT];
184 long rate_pending_usleep[DDIR_RWDIR_CNT];
185 unsigned long rate_bytes[DDIR_RWDIR_CNT];
186 unsigned long rate_blocks[DDIR_RWDIR_CNT];
187 struct timeval lastrate[DDIR_RWDIR_CNT];
189 unsigned long long total_io_size;
190 unsigned long long fill_device_size;
192 unsigned long io_issues[DDIR_RWDIR_CNT];
193 unsigned long long io_blocks[DDIR_RWDIR_CNT];
194 unsigned long long this_io_blocks[DDIR_RWDIR_CNT];
195 unsigned long long io_bytes[DDIR_RWDIR_CNT];
196 unsigned long long io_skip_bytes;
197 unsigned long long this_io_bytes[DDIR_RWDIR_CNT];
198 unsigned long long zone_bytes;
199 struct fio_mutex *mutex;
202 * State for random io, a bitmap of blocks done vs not done
205 os_random_state_t random_state;
206 struct frand_state __random_state;
209 struct timeval start; /* start of this loop */
210 struct timeval epoch; /* time job was started */
211 struct timeval last_issue;
212 struct timeval tv_cache;
213 unsigned int tv_cache_nr;
214 unsigned int tv_cache_mask;
215 unsigned int ramp_time_over;
218 * read/write mixed workload state
221 os_random_state_t rwmix_state;
222 struct frand_state __rwmix_state;
224 unsigned long rwmix_issues;
225 enum fio_ddir rwmix_ddir;
226 unsigned int ddir_seq_nr;
229 * IO history logs for verification. We use a tree for sorting,
230 * if we are overwriting. Otherwise just use a fifo.
232 struct rb_root io_hist_tree;
233 struct flist_head io_hist_list;
234 unsigned long io_hist_len;
239 struct flist_head io_log_list;
242 * For tracking/handling discards
244 struct flist_head trim_list;
245 unsigned long trim_entries;
248 * for fileservice, how often to switch to a new file
250 unsigned int file_service_nr;
251 unsigned int file_service_left;
252 struct fio_file *file_service_file;
254 unsigned int sync_file_range_nr;
257 * For generating file sizes
260 os_random_state_t file_size_state;
261 struct frand_state __file_size_state;
267 unsigned int total_err_count;
270 struct fio_flow *flow;
273 * Can be overloaded by profiles
275 struct prof_io_ops prof_io_ops;
282 * when should interactive ETA output be generated
290 #define __td_verror(td, err, msg, func) \
296 if (!(td)->first_error) \
297 snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \
301 #define td_clear_error(td) \
303 #define td_verror(td, err, func) \
304 __td_verror((td), (err), strerror((err)), (func))
305 #define td_vmsg(td, err, msg, func) \
306 __td_verror((td), (err), (msg), (func))
308 #define __fio_stringify_1(x) #x
309 #define __fio_stringify(x) __fio_stringify_1(x)
311 extern int exitall_on_terminate;
312 extern unsigned int thread_number;
315 extern int output_format;
316 extern int temp_stall_ts;
317 extern uintptr_t page_mask, page_size;
318 extern int read_only;
319 extern int eta_print;
320 extern unsigned long done_secs;
321 extern char *job_section;
322 extern int fio_gtod_offload;
323 extern int fio_gtod_cpu;
324 extern enum fio_cs fio_clock_source;
325 extern int warnings_fatal;
326 extern int terse_version;
327 extern int is_backend;
328 extern int nr_clients;
329 extern int log_syslog;
330 extern const char fio_version_string[];
331 extern const fio_fp64_t def_percentile_list[FIO_IO_U_LIST_MAX_LEN];
333 extern struct thread_data *threads;
335 static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u)
337 assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
340 #define BLOCKS_PER_MAP (8 * sizeof(unsigned long))
341 #define TO_MAP_BLOCK(f, b) (b)
342 #define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP)
343 #define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1))
345 #define REAL_MAX_JOBS 2048
347 static inline enum error_type td_error_type(enum fio_ddir ddir, int err)
350 return ERROR_TYPE_VERIFY_BIT;
351 if (ddir == DDIR_READ)
352 return ERROR_TYPE_READ_BIT;
353 return ERROR_TYPE_WRITE_BIT;
356 static int __NON_FATAL_ERR[] = {EIO, EILSEQ};
357 static inline int td_non_fatal_error(struct thread_data *td,
358 enum error_type_bit etype, int err)
361 if (!td->o.ignore_error[etype]) {
362 td->o.ignore_error[etype] = __NON_FATAL_ERR;
363 td->o.ignore_error_nr[etype] = sizeof(__NON_FATAL_ERR)
367 if (!(td->o.continue_on_error & (1 << etype)))
369 for (i = 0; i < td->o.ignore_error_nr[etype]; i++)
370 if (td->o.ignore_error[etype][i] == err)
375 static inline void update_error_count(struct thread_data *td, int err)
377 td->total_err_count++;
378 if (td->total_err_count == 1)
379 td->first_error = err;
382 static inline int should_fsync(struct thread_data *td)
384 if (td->last_was_sync)
388 if (td_write(td) || td_rw(td) || td->o.override_sync)
395 * Init/option functions
397 extern int __must_check fio_init_options(void);
398 extern int __must_check parse_options(int, char **);
399 extern int parse_jobs_ini(char *, int, int, int);
400 extern int parse_cmd_line(int, char **, int);
401 extern int fio_backend(void);
402 extern void reset_fio_state(void);
403 extern void clear_io_state(struct thread_data *);
404 extern int fio_options_parse(struct thread_data *, char **, int);
405 extern void fio_keywords_init(void);
406 extern int fio_cmd_option_parse(struct thread_data *, const char *, char *);
407 extern int fio_cmd_ioengine_option_parse(struct thread_data *, const char *, char *);
408 extern void fio_fill_default_options(struct thread_data *);
409 extern int fio_show_option_help(const char *);
410 extern void fio_options_set_ioengine_opts(struct option *long_options, struct thread_data *td);
411 extern void fio_options_dup_and_init(struct option *);
412 extern void fio_options_mem_dupe(struct thread_data *);
413 extern void options_mem_dupe(void *data, struct fio_option *options);
414 extern void td_fill_rand_seeds(struct thread_data *);
415 extern void add_job_opts(const char **, int);
416 extern char *num2str(unsigned long, int, int, int);
417 extern int ioengine_load(struct thread_data *);
419 extern unsigned long page_mask;
420 extern unsigned long page_size;
421 extern int initialize_fio(char *envp[]);
423 #define FIO_GETOPT_JOB 0x89000000
424 #define FIO_GETOPT_IOENGINE 0x98000000
425 #define FIO_NR_OPTIONS (FIO_MAX_OPTS + 128)
430 extern void print_thread_status(void);
431 extern void print_status_init(int);
432 extern char *fio_uint_to_kmg(unsigned int val);
435 * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it
436 * will never back again. It may cycle between running/verififying/fsyncing.
437 * Once the thread reaches TD_EXITED, it is just waiting for the core to
453 extern void td_set_runstate(struct thread_data *, int);
454 #define TERMINATE_ALL (-1)
455 extern void fio_terminate_threads(int);
460 extern int __must_check fio_pin_memory(struct thread_data *);
461 extern void fio_unpin_memory(struct thread_data *);
462 extern int __must_check allocate_io_mem(struct thread_data *);
463 extern void free_io_mem(struct thread_data *);
464 extern void free_threads_shm(void);
467 * Reset stats after ramp time completes
469 extern void reset_all_stats(struct thread_data *);
474 #ifdef FIO_HAVE_BLKTRACE
475 extern int is_blktrace(const char *);
476 extern int load_blktrace(struct thread_data *, const char *);
480 * Mark unused variables passed to ops functions as unused, to silence gcc
482 #define fio_unused __attribute((__unused__))
483 #define fio_init __attribute__((constructor))
484 #define fio_exit __attribute__((destructor))
486 #define for_each_td(td, i) \
487 for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++)
488 #define for_each_file(td, f, i) \
489 if ((td)->files_index) \
490 for ((i) = 0, (f) = (td)->files[0]; \
491 (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \
494 #define fio_assert(td, cond) do { \
497 fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \
498 td_set_runstate((td), TD_EXITED); \
499 (td)->error = EFAULT; \
504 static inline int fio_fill_issue_time(struct thread_data *td)
506 if (td->o.read_iolog_file ||
507 !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw)
513 static inline int __should_check_rate(struct thread_data *td,
516 struct thread_options *o = &td->o;
519 * If some rate setting was given, we need to check it
521 if (o->rate[ddir] || o->ratemin[ddir] || o->rate_iops[ddir] ||
522 o->rate_iops_min[ddir])
528 static inline int should_check_rate(struct thread_data *td,
529 unsigned long *bytes_done)
533 if (bytes_done[DDIR_READ])
534 ret |= __should_check_rate(td, DDIR_READ);
535 if (bytes_done[DDIR_WRITE])
536 ret |= __should_check_rate(td, DDIR_WRITE);
537 if (bytes_done[DDIR_TRIM])
538 ret |= __should_check_rate(td, DDIR_TRIM);
543 static inline int is_power_of_2(unsigned int val)
545 return (val != 0 && ((val & (val - 1)) == 0));
549 * We currently only need to do locking if we have verifier threads
550 * accessing our internal structures too
552 static inline void td_io_u_lock(struct thread_data *td)
554 if (td->o.verify_async)
555 pthread_mutex_lock(&td->io_u_lock);
558 static inline void td_io_u_unlock(struct thread_data *td)
560 if (td->o.verify_async)
561 pthread_mutex_unlock(&td->io_u_lock);
564 static inline void td_io_u_free_notify(struct thread_data *td)
566 if (td->o.verify_async)
567 pthread_cond_signal(&td->free_cond);
570 extern const char *fio_get_arch_string(int);
571 extern const char *fio_get_os_string(int);
573 #define ARRAY_SIZE(x) (sizeof((x)) / (sizeof((x)[0])))
576 FIO_OUTPUT_TERSE = 0,