X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fio.h;h=57d1b6b995d28dee547e5c9dfeb4858a83e305de;hb=2b4f4abec640f36ccdff39de00e74b2234e27116;hp=6a68ec8dc674b0af8b074faba0627ef9940e82ab;hpb=6b9cea23c22c218625b68eca63da38089b299846;p=fio.git diff --git a/fio.h b/fio.h index 6a68ec8d..31164f5b 100644 --- a/fio.h +++ b/fio.h @@ -10,96 +10,81 @@ #include #include #include +#include +#include +#include +#include + +#include "compiler/compiler.h" +#include "flist.h" +#include "fifo.h" +#include "rbtree.h" +#include "arch/arch.h" +#include "os/os.h" +#include "mutex.h" +#include "log.h" +#include "debug.h" +#include "file.h" +#include "io_ddir.h" +#include "ioengine.h" + +#ifdef FIO_HAVE_GUASI +#include +#endif -#include "list.h" -#include "md5.h" -#include "crc32.h" -#include "arch.h" -#include "os.h" +#ifdef FIO_HAVE_SOLARISAIO +#include +#endif +/* + * Use for maintaining statistics + */ struct io_stat { - unsigned long val; - unsigned long val_sq; unsigned long max_val; unsigned long min_val; unsigned long samples; + + double mean; + double S; }; +/* + * A single data sample + */ struct io_sample { unsigned long time; unsigned long val; - unsigned int ddir; + enum fio_ddir ddir; + unsigned int bs; }; +/* + * Dynamically growing data sample log + */ struct io_log { unsigned long nr_samples; unsigned long max_samples; struct io_sample *log; }; -struct io_piece { - struct list_head list; - struct fio_file *file; - unsigned long long offset; - unsigned int len; - int ddir; -}; - /* - * The io unit + * When logging io actions, this matches a single sent io_u */ -struct io_u { +struct io_piece { union { -#ifdef FIO_HAVE_LIBAIO - struct iocb iocb; -#endif -#ifdef FIO_HAVE_POSIXAIO - struct aiocb aiocb; -#endif -#ifdef FIO_HAVE_SGIO - struct sg_io_hdr hdr; -#endif + struct rb_node rb_node; + struct flist_head list; }; - struct timeval start_time; - struct timeval issue_time; - - void *buf; - unsigned int buflen; - unsigned long long offset; - - unsigned int resid; - unsigned int error; - - unsigned char ddir; - - /* - * io engine private data - */ union { - unsigned int index; - unsigned int seen; + int fileno; + struct fio_file *file; }; - - struct fio_file *file; - - struct list_head list; -}; - -#define FIO_HDR_MAGIC 0xf00baaef - -enum { - VERIFY_NONE = 0, - VERIFY_MD5, - VERIFY_CRC32, -}; - -struct verify_header { - unsigned int fio_magic; - unsigned int len; - unsigned int verify_type; + unsigned long long offset; + unsigned long len; + enum fio_ddir ddir; union { - char md5_digest[MD5_HASH_WORDS * 4]; - unsigned long crc32; + unsigned long delay; + unsigned int file_action; }; }; @@ -110,91 +95,129 @@ struct group_run_stats { unsigned long long agg[2]; }; -enum fio_ddir { - DDIR_READ = 0, - DDIR_WRITE, - DDIR_SYNC, -}; - /* * What type of allocation to use for io buffers */ enum fio_memtype { MEM_MALLOC = 0, /* ordinary malloc */ MEM_SHM, /* use shared memory segments */ + MEM_SHMHUGE, /* use shared memory segments with huge pages */ MEM_MMAP, /* use anonynomous mmap */ + MEM_MMAPHUGE, /* memory mapped huge file */ }; /* - * The type of object we are working on + * How many depth levels to log */ -enum fio_filetype { - FIO_TYPE_FILE = 1, - FIO_TYPE_BD, - FIO_TYPE_CHAR, -}; +#define FIO_IO_U_MAP_NR 8 +#define FIO_IO_U_LAT_U_NR 10 +#define FIO_IO_U_LAT_M_NR 12 -enum fio_ioengine_flags { - FIO_SYNCIO = 1 << 0, - FIO_CPUIO = 1 << 1, - FIO_MMAPIO = 1 << 2, - FIO_RAWIO = 1 << 3, -}; +struct thread_stat { + char *name; + char *verror; + int error; + int groupid; + pid_t pid; + char *description; + int members; + + struct io_log *slat_log; + struct io_log *clat_log; + struct io_log *bw_log; -struct fio_file { /* - * A file may not be a file descriptor, let the io engine decide + * bandwidth and latency stats */ - union { - unsigned long file_data; - int fd; - }; - char *file_name; - void *mmap; - unsigned long long file_size; - unsigned long long real_file_size; - unsigned long long file_offset; - unsigned long long last_pos; - - unsigned long *file_map; - unsigned int num_maps; + struct io_stat clat_stat[2]; /* completion latency */ + struct io_stat slat_stat[2]; /* submission latency */ + struct io_stat bw_stat[2]; /* bandwidth stats */ + + unsigned long long stat_io_bytes[2]; + struct timeval stat_sample_time[2]; + + /* + * fio system usage accounting + */ + struct rusage ru_start; + struct rusage ru_end; + unsigned long usr_time; + unsigned long sys_time; + unsigned long ctx; + unsigned long minf, majf; + + /* + * IO depth and latency stats + */ + unsigned int io_u_map[FIO_IO_U_MAP_NR]; + unsigned int io_u_submit[FIO_IO_U_MAP_NR]; + unsigned int io_u_complete[FIO_IO_U_MAP_NR]; + unsigned int io_u_lat_u[FIO_IO_U_LAT_U_NR]; + unsigned int io_u_lat_m[FIO_IO_U_LAT_M_NR]; + unsigned long total_io_u[2]; + unsigned long short_io_u[2]; + unsigned long total_submit; + unsigned long total_complete; + + unsigned long long io_bytes[2]; + unsigned long runtime[2]; + unsigned long total_run_time; }; -/* - * This describes a single thread/process executing a fio job. - */ -struct thread_data { +struct bssplit { + unsigned int bs; + unsigned char perc; +}; + +struct thread_options { + int pad; + char *description; char *name; char *directory; char *filename; - char verror[80]; - pthread_t thread; - int thread_number; - int groupid; - enum fio_filetype filetype; - struct fio_file *files; + char *opendir; + char *ioengine; + enum td_ddir td_ddir; + unsigned int ddir_nr; + unsigned int iodepth; + unsigned int iodepth_low; + unsigned int iodepth_batch; + unsigned int iodepth_batch_complete; + + unsigned long long size; + unsigned int fill_device; + unsigned long long file_size_low; + unsigned long long file_size_high; + unsigned long long start_offset; + + unsigned int bs[2]; + unsigned int ba[2]; + unsigned int min_bs[2]; + unsigned int max_bs[2]; + struct bssplit *bssplit[2]; + unsigned int bssplit_nr[2]; + unsigned int nr_files; - unsigned int nr_uniq_files; - unsigned int next_file; - int error; - pid_t pid; - char *orig_buffer; - size_t orig_buffer_size; - volatile int terminate; - volatile int runstate; - enum fio_ddir ddir; - unsigned int iomix; - unsigned int ioprio; - unsigned int last_was_sync; + unsigned int open_files; + enum file_lock_mode file_lock_mode; + unsigned int lockfile_batch; - unsigned int sequential; unsigned int odirect; unsigned int invalidate_cache; unsigned int create_serialize; unsigned int create_fsync; + unsigned int create_on_open; unsigned int end_fsync; + unsigned int pre_read; unsigned int sync_io; unsigned int verify; + unsigned int do_verify; + unsigned int verifysort; + unsigned int verify_interval; + unsigned int verify_offset; + unsigned int verify_pattern; + unsigned int verify_pattern_bytes; + unsigned int verify_fatal; unsigned int use_thread; unsigned int unlink; unsigned int do_disk_util; @@ -203,39 +226,116 @@ struct thread_data { unsigned int write_lat_log; unsigned int write_bw_log; unsigned int norandommap; + unsigned int softrandommap; unsigned int bs_unaligned; + unsigned int fsync_on_close; - unsigned int bs; - unsigned int min_bs; - unsigned int max_bs; + unsigned int hugepage_size; + unsigned int rw_min_bs; unsigned int thinktime; + unsigned int thinktime_spin; + unsigned int thinktime_blocks; unsigned int fsync_blocks; unsigned int start_delay; - unsigned long timeout; + unsigned long long timeout; + unsigned long long ramp_time; unsigned int overwrite; unsigned int bw_avg_time; unsigned int loops; unsigned long long zone_size; unsigned long long zone_skip; enum fio_memtype mem_type; + unsigned int stonewall; + unsigned int new_group; unsigned int numjobs; - unsigned int iodepth; os_cpu_mask_t cpumask; + unsigned int cpumask_set; unsigned int iolog; - unsigned int read_iolog; unsigned int rwmixcycle; - unsigned int rwmixread; - unsigned int rwmixwrite; + unsigned int rwmix[2]; unsigned int nice; + unsigned int file_service_type; + unsigned int group_reporting; + unsigned int fadvise_hint; + unsigned int zero_buffers; + unsigned int refill_buffers; + unsigned int time_based; + unsigned int disable_clat; + unsigned int disable_slat; + unsigned int disable_bw; + unsigned int gtod_reduce; + unsigned int gtod_cpu; + unsigned int gtod_offload; char *read_iolog_file; char *write_iolog_file; + char *bw_log_file; + char *lat_log_file; + + /* + * Pre-run and post-run shell + */ + char *exec_prerun; + char *exec_postrun; + + unsigned int rate; + unsigned int ratemin; + unsigned int ratecycle; + unsigned int rate_iops; + unsigned int rate_iops_min; + + char *ioscheduler; + + /* + * CPU "io" cycle burner + */ + unsigned int cpuload; + unsigned int cpucycle; +}; + +#define FIO_VERROR_SIZE 128 + +/* + * This describes a single thread/process executing a fio job. + */ +struct thread_data { + struct thread_options o; + char verror[FIO_VERROR_SIZE]; + pthread_t thread; + int thread_number; + int groupid; + struct thread_stat ts; + struct fio_file **files; + unsigned int files_size; + unsigned int files_index; + unsigned int nr_open_files; + unsigned int nr_done_files; + unsigned int nr_normal_files; + union { + unsigned int next_file; + os_random_state_t next_file_state; + }; + int error; + int done; + pid_t pid; + char *orig_buffer; + size_t orig_buffer_size; + volatile int terminate; + volatile int runstate; + unsigned int ioprio; + unsigned int ioprio_set; + unsigned int last_was_sync; + + char *mmapfile; + int mmapfd; + void *iolog_buf; FILE *iolog_f; char *sysfs_root; - char *ioscheduler; + + unsigned long rand_seeds[6]; os_random_state_t bsrange_state; os_random_state_t verify_state; @@ -252,121 +352,145 @@ struct thread_data { * Current IO depth and list of free and busy io_u's. */ unsigned int cur_depth; - struct list_head io_u_freelist; - struct list_head io_u_busylist; + unsigned int io_u_queued; + struct flist_head io_u_freelist; + struct flist_head io_u_busylist; + struct flist_head io_u_requeues; /* * Rate state */ - unsigned int rate; - unsigned int ratemin; - unsigned int ratecycle; unsigned long rate_usec_cycle; long rate_pending_usleep; unsigned long rate_bytes; + unsigned long rate_blocks; struct timeval lastrate; - unsigned long runtime[2]; /* msec */ - unsigned long long io_size; - unsigned long long total_file_size; - unsigned long long start_offset; unsigned long long total_io_size; + unsigned long io_issues[2]; unsigned long long io_blocks[2]; unsigned long long io_bytes[2]; - unsigned long long zone_bytes; + unsigned long long io_skip_bytes; unsigned long long this_io_bytes[2]; - volatile int mutex; + unsigned long long zone_bytes; + struct fio_mutex *mutex; /* * State for random io, a bitmap of blocks done vs not done */ os_random_state_t random_state; - /* - * CPU "io" cycle burner - */ - unsigned int cpuload; - unsigned int cpucycle; + struct timeval start; /* start of this loop */ + struct timeval epoch; /* time job was started */ + struct timeval rw_end[2]; + struct timeval last_issue; + struct timeval tv_cache; + unsigned int tv_cache_nr; + unsigned int tv_cache_mask; + unsigned int rw_end_set[2]; + unsigned int ramp_time_over; /* - * bandwidth and latency stats + * read/write mixed workload state */ - struct io_stat clat_stat[2]; /* completion latency */ - struct io_stat slat_stat[2]; /* submission latency */ - struct io_stat bw_stat[2]; /* bandwidth stats */ - - unsigned long long stat_io_bytes[2]; - struct timeval stat_sample_time[2]; - - struct io_log *slat_log; - struct io_log *clat_log; - struct io_log *bw_log; - - struct timeval start; /* start of this loop */ - struct timeval epoch; /* time job was started */ + os_random_state_t rwmix_state; + unsigned long rwmix_issues; + enum fio_ddir rwmix_ddir; + unsigned int ddir_nr; /* - * fio system usage accounting + * IO history logs for verification. We use a tree for sorting, + * if we are overwriting. Otherwise just use a fifo. */ - struct rusage ru_start; - struct rusage ru_end; - unsigned long usr_time; - unsigned long sys_time; - unsigned long ctx; + struct rb_root io_hist_tree; + struct flist_head io_hist_list; /* - * read/write mixed workload state + * For IO replaying */ - os_random_state_t rwmix_state; - struct timeval rwmix_switch; - enum fio_ddir rwmix_ddir; + struct flist_head io_log_list; /* - * Pre-run and post-run shell + * for fileservice, how often to switch to a new file */ - char *exec_prerun; - char *exec_postrun; + unsigned int file_service_nr; + unsigned int file_service_left; + struct fio_file *file_service_file; /* - * IO historic logs + * For generating file sizes */ - struct list_head io_hist_list; - struct list_head io_log_list; + os_random_state_t file_size_state; +}; + +/* + * roundrobin available files, or choose one at random, or do each one + * serially. + */ +enum { + FIO_FSERVICE_RANDOM = 1, + FIO_FSERVICE_RR = 2, + FIO_FSERVICE_SEQ = 3, +}; + +/* + * when should interactive ETA output be generated + */ +enum { + FIO_ETA_AUTO, + FIO_ETA_ALWAYS, + FIO_ETA_NEVER, }; -#define __td_verror(td, err, msg) \ +#define __td_verror(td, err, msg, func) \ do { \ + if ((td)->error) \ + break; \ int e = (err); \ (td)->error = e; \ - snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, error=%s", __FILE__, __LINE__, (msg)); \ + snprintf(td->verror, sizeof(td->verror) - 1, "file:%s:%d, func=%s, error=%s", __FILE__, __LINE__, (func), (msg)); \ } while (0) -#define td_verror(td, err) __td_verror((td), (err), strerror((err))) -#define td_vmsg(td, err, msg) __td_verror((td), (err), (msg)) +#define td_verror(td, err, func) \ + __td_verror((td), (err), strerror((err)), (func)) +#define td_vmsg(td, err, msg, func) \ + __td_verror((td), (err), (msg), (func)) -extern int rate_quit; extern int exitall_on_terminate; extern int thread_number; +extern int nr_process, nr_thread; extern int shm_id; extern int groupid; extern int terse_output; -extern FILE *f_out; -extern FILE *f_err; -extern char *fio_inst_prefix; extern int temp_stall_ts; +extern unsigned long long mlock_size; +extern unsigned long page_mask, page_size; +extern int read_only; +extern int eta_print; +extern unsigned long done_secs; +extern char *job_section; +extern int fio_gtod_offload; +extern int fio_gtod_cpu; extern struct thread_data *threads; -#define td_read(td) ((td)->ddir == DDIR_READ) -#define td_write(td) ((td)->ddir == DDIR_WRITE) -#define td_rw(td) ((td)->iomix != 0) +#define td_read(td) ((td)->o.td_ddir & TD_DDIR_READ) +#define td_write(td) ((td)->o.td_ddir & TD_DDIR_WRITE) +#define td_rw(td) (((td)->o.td_ddir & TD_DDIR_RW) == TD_DDIR_RW) +#define td_random(td) ((td)->o.td_ddir & TD_DDIR_RAND) +#define file_randommap(td, f) (!(td)->o.norandommap && (f)->file_map) + +static inline void fio_ro_check(struct thread_data *td, struct io_u *io_u) +{ + assert(!(io_u->ddir == DDIR_WRITE && !td_write(td))); +} -#define BLOCKS_PER_MAP (8 * sizeof(long)) -#define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->min_bs)) -#define RAND_MAP_IDX(td, f, b) (TO_MAP_BLOCK(td, f, b) / BLOCKS_PER_MAP) -#define RAND_MAP_BIT(td, f, b) (TO_MAP_BLOCK(td, f, b) & (BLOCKS_PER_MAP - 1)) +#define BLOCKS_PER_MAP (8 * sizeof(int)) +#define TO_MAP_BLOCK(f, b) (b) +#define RAND_MAP_IDX(f, b) (TO_MAP_BLOCK(f, b) / BLOCKS_PER_MAP) +#define RAND_MAP_BIT(f, b) (TO_MAP_BLOCK(f, b) & (BLOCKS_PER_MAP - 1)) #define MAX_JOBS (1024) @@ -374,14 +498,17 @@ static inline int should_fsync(struct thread_data *td) { if (td->last_was_sync) return 0; - if (td->odirect) + if (td->o.odirect) return 0; - if (td_write(td) || td_rw(td) || td->override_sync) + if (td_write(td) || td_rw(td) || td->o.override_sync) return 1; return 0; } +/* + * Disk utils as read in /sys/block//stat + */ struct disk_util_stat { unsigned ios[2]; unsigned merges[2]; @@ -391,83 +518,134 @@ struct disk_util_stat { unsigned time_in_queue; }; +/* + * Per-device disk util management + */ struct disk_util { - struct list_head list; + struct flist_head list; + /* If this disk is a slave, hook it into the master's + * list using this head. + */ + struct flist_head slavelist; char *name; + char *sysfs_root; char path[256]; - dev_t dev; + int major, minor; struct disk_util_stat dus; struct disk_util_stat last_dus; + /* For software raids, this entry maintains pointers to the + * entries for the slave devices. The disk_util entries for + * the slaves devices should primarily be maintained through + * the disk_list list, i.e. for memory allocation and + * de-allocation, etc. Whereas this list should be used only + * for aggregating a software RAID's disk util figures. + */ + struct flist_head slaves; + unsigned long msec; struct timeval time; + + struct fio_mutex *lock; + unsigned long users; }; -struct io_completion_data { - int nr; /* input */ +static inline void disk_util_inc(struct disk_util *du) +{ + if (du) { + fio_mutex_down(du->lock); + du->users++; + fio_mutex_up(du->lock); + } +} - int error; /* output */ - unsigned long bytes_done[2]; /* output */ -}; +static inline void disk_util_dec(struct disk_util *du) +{ + if (du) { + fio_mutex_down(du->lock); + du->users--; + fio_mutex_up(du->lock); + } +} #define DISK_UTIL_MSEC (250) -#ifndef min -#define min(a, b) ((a) < (b) ? (a) : (b)) -#endif - /* * Log exports */ -extern int read_iolog_get(struct thread_data *, struct io_u *); -extern void write_iolog_put(struct thread_data *, struct io_u *); -extern int init_iolog(struct thread_data *td); +enum file_log_act { + FIO_LOG_ADD_FILE, + FIO_LOG_OPEN_FILE, + FIO_LOG_CLOSE_FILE, + FIO_LOG_UNLINK_FILE, +}; + +extern int __must_check read_iolog_get(struct thread_data *, struct io_u *); +extern void log_io_u(struct thread_data *, struct io_u *); +extern void log_file(struct thread_data *, struct fio_file *, enum file_log_act); +extern int __must_check init_iolog(struct thread_data *td); extern void log_io_piece(struct thread_data *, struct io_u *); +extern void queue_io_piece(struct thread_data *, struct io_piece *); extern void prune_io_piece_log(struct thread_data *); extern void write_iolog_close(struct thread_data *); /* * Logging */ -extern void add_clat_sample(struct thread_data *, int, unsigned long); -extern void add_slat_sample(struct thread_data *, int, unsigned long); -extern void add_bw_sample(struct thread_data *, int); +extern void add_clat_sample(struct thread_data *, enum fio_ddir, unsigned long, + unsigned int); +extern void add_slat_sample(struct thread_data *, enum fio_ddir, unsigned long, + unsigned int); +extern void add_bw_sample(struct thread_data *, enum fio_ddir, unsigned int, + struct timeval *); extern void show_run_stats(void); extern void init_disk_util(struct thread_data *); extern void update_rusage_stat(struct thread_data *); extern void update_io_ticks(void); -extern void disk_util_timer_arm(void); extern void setup_log(struct io_log **); extern void finish_log(struct thread_data *, struct io_log *, const char *); -extern int setup_rate(struct thread_data *); +extern void finish_log_named(struct thread_data *, struct io_log *, const char *, const char *); +extern void __finish_log(struct io_log *, const char *); +extern struct io_log *agg_io_log[2]; +extern int write_bw_log; +extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); /* * Time functions */ -extern void time_init(void); -extern unsigned long utime_since(struct timeval *, struct timeval *); +extern unsigned long long utime_since(struct timeval *, struct timeval *); +extern unsigned long long utime_since_now(struct timeval *); extern unsigned long mtime_since(struct timeval *, struct timeval *); extern unsigned long mtime_since_now(struct timeval *); extern unsigned long time_since_now(struct timeval *); extern unsigned long mtime_since_genesis(void); -extern void __usec_sleep(unsigned int); +extern void usec_spin(unsigned int); extern void usec_sleep(struct thread_data *, unsigned long); extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); +extern void fill_start_time(struct timeval *); +extern void fio_gettime(struct timeval *, void *); +extern void fio_gtod_init(void); +extern void fio_gtod_update(void); +extern void set_genesis_time(void); +extern int ramp_time_over(struct thread_data *); +extern int in_ramp_time(struct thread_data *); /* - * Init functions + * Init/option functions */ -extern int parse_options(int, char **); -extern int init_random_state(struct thread_data *); - -/* - * File setup/shutdown - */ -extern void close_files(struct thread_data *); -extern int setup_files(struct thread_data *); -extern int file_invalidate_cache(struct thread_data *, struct fio_file *); +extern int __must_check parse_options(int, char **); +extern int fio_options_parse(struct thread_data *, char **, int); +extern int fio_cmd_option_parse(struct thread_data *, const char *, char *); +extern void fio_fill_default_options(struct thread_data *); +extern int fio_show_option_help(const char *); +extern void fio_options_dup_and_init(struct option *); +extern void options_mem_dupe(struct thread_data *); +extern void options_mem_free(struct thread_data *); +extern void td_fill_rand_seeds(struct thread_data *); +#define FIO_GETOPT_JOB 0x89988998 +#define FIO_NR_OPTIONS 128 /* * ETA/status stuff @@ -475,6 +653,19 @@ extern int file_invalidate_cache(struct thread_data *, struct fio_file *); extern void print_thread_status(void); extern void print_status_init(int); +/* + * disk util stuff + */ +#ifdef FIO_HAVE_DISK_UTIL +extern void show_disk_util(void); +extern void init_disk_util(struct thread_data *); +extern void update_io_ticks(void); +#else +#define show_disk_util() +#define init_disk_util(td) +#define update_io_ticks() +#endif + /* * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it * will never back again. It may cycle between running/verififying/fsyncing. @@ -485,109 +676,103 @@ enum { TD_NOT_CREATED = 0, TD_CREATED, TD_INITIALIZED, + TD_RAMP, TD_RUNNING, + TD_PRE_READING, TD_VERIFYING, TD_FSYNCING, TD_EXITED, TD_REAPED, }; -/* - * Verify helpers - */ -extern void populate_verify_io_u(struct thread_data *, struct io_u *); -extern int get_next_verify(struct thread_data *td, struct io_u *); -extern int do_io_u_verify(struct thread_data *, struct io_u **); +extern void td_set_runstate(struct thread_data *, int); /* * Memory helpers */ -extern int fio_pin_memory(void); +extern int __must_check fio_pin_memory(void); extern void fio_unpin_memory(void); -extern int allocate_io_mem(struct thread_data *); +extern int __must_check allocate_io_mem(struct thread_data *); extern void free_io_mem(struct thread_data *); /* - * io unit handling + * Reset stats after ramp time completes */ -#define queue_full(td) list_empty(&(td)->io_u_freelist) -extern struct io_u *__get_io_u(struct thread_data *); -extern struct io_u *get_io_u(struct thread_data *, struct fio_file *); -extern void put_io_u(struct thread_data *, struct io_u *); -extern void ios_completed(struct thread_data *, struct io_completion_data *); -extern void io_completed(struct thread_data *, struct io_u *, struct io_completion_data *); +extern void reset_all_stats(struct thread_data *); /* - * io engine entry points + * blktrace support */ -extern int td_io_init(struct thread_data *); -extern int td_io_prep(struct thread_data *, struct io_u *); -extern int td_io_queue(struct thread_data *, struct io_u *); -extern int td_io_sync(struct thread_data *, struct fio_file *); -extern int td_io_getevents(struct thread_data *, int, int, struct timespec *); +#ifdef FIO_HAVE_BLKTRACE +extern int is_blktrace(const char *); +extern int load_blktrace(struct thread_data *, const char *); +#endif /* - * This is a pretty crappy semaphore implementation, but with the use that fio - * has (just signalling start/go conditions), it doesn't have to be better. - * Naturally this would not work for any type of contended semaphore or - * for real locking. + * Mark unused variables passed to ops functions as unused, to silence gcc */ -static inline void fio_sem_init(volatile int *sem, int val) -{ - *sem = val; -} +#define fio_unused __attribute((__unused__)) +#define fio_init __attribute__((constructor)) +#define fio_exit __attribute__((destructor)) -static inline void fio_sem_down(volatile int *sem) +#define for_each_td(td, i) \ + for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) +#define for_each_file(td, f, i) \ + if ((td)->files_index) \ + for ((i) = 0, (f) = (td)->files[0]; \ + (i) < (td)->o.nr_files && ((f) = (td)->files[i]) != NULL; \ + (i)++) + +#define fio_assert(td, cond) do { \ + if (!(cond)) { \ + int *__foo = NULL; \ + fprintf(stderr, "file:%s:%d, assert %s failed\n", __FILE__, __LINE__, #cond); \ + (td)->runstate = TD_EXITED; \ + (td)->error = EFAULT; \ + *__foo = 0; \ + } \ +} while (0) + +static inline void fio_file_reset(struct fio_file *f) { - while (*sem == 0) - usleep(10000); - - (*sem)--; + f->last_free_lookup = 0; + f->last_pos = f->file_offset; + if (f->file_map) + memset(f->file_map, 0, f->num_maps * sizeof(int)); } -static inline void fio_sem_up(volatile int *sem) +static inline void clear_error(struct thread_data *td) { - (*sem)++; + td->error = 0; + td->verror[0] = '\0'; } -/* - * If logging output to a file, stderr should go to both stderr and f_err - */ -#define log_err(args...) do { \ - fprintf(f_err, ##args); \ - if (f_err != stderr) \ - fprintf(stderr, ##args); \ - } while (0) - -struct ioengine_ops { - char name[16]; - int version; - int flags; - int (*setup)(struct thread_data *); - int (*init)(struct thread_data *); - int (*prep)(struct thread_data *, struct io_u *); - int (*queue)(struct thread_data *, struct io_u *); - int (*getevents)(struct thread_data *, int, int, struct timespec *); - struct io_u *(*event)(struct thread_data *, int); - int (*cancel)(struct thread_data *, struct io_u *); - void (*cleanup)(struct thread_data *); - void *data; - void *dlhandle; -}; +#ifdef FIO_INC_DEBUG +static inline void dprint_io_u(struct io_u *io_u, const char *p) +{ + struct fio_file *f = io_u->file; -#define FIO_IOOPS_VERSION 3 + dprint(FD_IO, "%s: io_u %p: off=%llu/len=%lu/ddir=%d", p, io_u, + (unsigned long long) io_u->offset, + io_u->buflen, io_u->ddir); + if (fio_debug & (1 << FD_IO)) { + if (f) + log_info("/%s", f->file_name); -extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); -extern void close_ioengine(struct thread_data *); + log_info("\n"); + } +} +#else +#define dprint_io_u(io_u, p) +#endif -/* - * Mark unused variables passed to ops functions as unused, to silence gcc - */ -#define fio_unused __attribute((__unused__)) +static inline int fio_fill_issue_time(struct thread_data *td) +{ + if (td->o.read_iolog_file || + !td->o.disable_clat || !td->o.disable_slat || !td->o.disable_bw) + return 1; -#define for_each_td(td, i) \ - for ((i) = 0, (td) = &threads[0]; (i) < (int) thread_number; (i)++, (td)++) -#define for_each_file(td, f, i) \ - for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) + return 0; +} #endif