X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.h;h=1115c62ea3b7555fdaf6e43368b15c6e3086099e;hp=9471666b02b45cf7328637841e249636247f06c1;hb=21972cdef7db6b557c2d56138f8434658a9d1e49;hpb=263e529f7d90892a610a5b26a519116fe3a675a6 diff --git a/fio.h b/fio.h index 9471666b..1115c62e 100644 --- a/fio.h +++ b/fio.h @@ -10,6 +10,7 @@ #include #include #include +#include #include "list.h" #include "md5.h" @@ -63,17 +64,23 @@ struct io_u { struct timeval start_time; struct timeval issue_time; - char *buf; + void *buf; unsigned int buflen; unsigned long long offset; - unsigned int index; unsigned int resid; unsigned int error; - unsigned char seen; unsigned char ddir; + /* + * io engine private data + */ + union { + unsigned int index; + unsigned int seen; + }; + struct fio_file *file; struct list_head list; @@ -107,6 +114,7 @@ struct group_run_stats { enum fio_ddir { DDIR_READ = 0, DDIR_WRITE, + DDIR_SYNC, }; /* @@ -151,16 +159,15 @@ struct fio_file { unsigned long *file_map; unsigned int num_maps; - - int fileno; }; /* * This describes a single thread/process executing a fio job. */ struct thread_data { - char name[32]; + char *name; char *directory; + char *filename; char verror[80]; pthread_t thread; int thread_number; @@ -168,6 +175,7 @@ struct thread_data { enum fio_filetype filetype; struct fio_file *files; unsigned int nr_files; + unsigned int nr_uniq_files; unsigned int next_file; int error; pid_t pid; @@ -178,25 +186,30 @@ struct thread_data { enum fio_ddir ddir; unsigned int iomix; unsigned int ioprio; - - unsigned char sequential; - unsigned char odirect; - unsigned char create_file; - unsigned char invalidate_cache; - unsigned char create_serialize; - unsigned char create_fsync; - unsigned char end_fsync; - unsigned char sync_io; - unsigned char verify; - unsigned char use_thread; - unsigned char unlink; - unsigned char do_disk_util; - unsigned char override_sync; - unsigned char rand_repeatable; - - unsigned int bs; - unsigned int min_bs; - unsigned int max_bs; + unsigned int last_was_sync; + + unsigned int sequential; + unsigned int odirect; + unsigned int invalidate_cache; + unsigned int create_serialize; + unsigned int create_fsync; + unsigned int end_fsync; + unsigned int sync_io; + unsigned int verify; + unsigned int use_thread; + unsigned int unlink; + unsigned int do_disk_util; + unsigned int override_sync; + unsigned int rand_repeatable; + unsigned int write_lat_log; + unsigned int write_bw_log; + unsigned int norandommap; + unsigned int bs_unaligned; + + unsigned int bs[2]; + unsigned int min_bs[2]; + unsigned int max_bs[2]; + unsigned int rw_min_bs; unsigned int thinktime; unsigned int fsync_blocks; unsigned int start_delay; @@ -213,12 +226,13 @@ struct thread_data { os_cpu_mask_t cpumask; unsigned int iolog; unsigned int read_iolog; - unsigned int write_iolog; unsigned int rwmixcycle; unsigned int rwmixread; + unsigned int rwmixwrite; unsigned int nice; - char *iolog_file; + char *read_iolog_file; + char *write_iolog_file; void *iolog_buf; FILE *iolog_f; @@ -334,12 +348,6 @@ struct thread_data { #define td_verror(td, err) __td_verror((td), (err), strerror((err))) #define td_vmsg(td, err, msg) __td_verror((td), (err), (msg)) -extern struct io_u *__get_io_u(struct thread_data *); -extern void put_io_u(struct thread_data *, struct io_u *); - -extern int rate_quit; -extern int write_lat_log; -extern int write_bw_log; extern int exitall_on_terminate; extern int thread_number; extern int shm_id; @@ -347,7 +355,7 @@ extern int groupid; extern int terse_output; extern FILE *f_out; extern FILE *f_err; -extern char *fio_inst_prefix; +extern const char *fio_inst_prefix; extern int temp_stall_ts; extern struct thread_data *threads; @@ -357,12 +365,24 @@ extern struct thread_data *threads; #define td_rw(td) ((td)->iomix != 0) #define BLOCKS_PER_MAP (8 * sizeof(long)) -#define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->min_bs)) +#define TO_MAP_BLOCK(td, f, b) ((b) - ((f)->file_offset / (td)->rw_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 MAX_JOBS (1024) +static inline int should_fsync(struct thread_data *td) +{ + if (td->last_was_sync) + return 0; + if (td->odirect) + return 0; + if (td_write(td) || td_rw(td) || td->override_sync) + return 1; + + return 0; +} + struct disk_util_stat { unsigned ios[2]; unsigned merges[2]; @@ -398,6 +418,9 @@ struct io_completion_data { #ifndef min #define min(a, b) ((a) < (b) ? (a) : (b)) #endif +#ifndef max +#define max(a, b) ((a) > (b) ? (a) : (b)) +#endif /* * Log exports @@ -435,7 +458,8 @@ extern unsigned long time_since_now(struct timeval *); extern unsigned long mtime_since_genesis(void); extern void __usec_sleep(unsigned int); extern void usec_sleep(struct thread_data *, unsigned long); -extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); +extern void rate_throttle(struct thread_data *, unsigned long, unsigned int, int); +extern void fill_start_time(struct timeval *); /* * Init functions @@ -448,6 +472,8 @@ extern int init_random_state(struct thread_data *); */ extern void close_files(struct thread_data *); extern int setup_files(struct thread_data *); +extern int open_files(struct thread_data *); +extern int file_invalidate_cache(struct thread_data *, struct fio_file *); /* * ETA/status stuff @@ -472,6 +498,40 @@ enum { 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 **); + +/* + * Memory helpers + */ +extern int fio_pin_memory(void); +extern void fio_unpin_memory(void); +extern int allocate_io_mem(struct thread_data *); +extern void free_io_mem(struct thread_data *); + +/* + * io unit handling + */ +#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 *); + +/* + * io engine entry points + */ +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 *); + /* * 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. @@ -506,6 +566,7 @@ static inline void fio_sem_up(volatile int *sem) } while (0) struct ioengine_ops { + struct list_head list; char name[16]; int version; int flags; @@ -517,22 +578,27 @@ struct ioengine_ops { struct io_u *(*event)(struct thread_data *, int); int (*cancel)(struct thread_data *, struct io_u *); void (*cleanup)(struct thread_data *); - int (*sync)(struct thread_data *, struct fio_file *); void *data; void *dlhandle; }; -#define FIO_IOOPS_VERSION 2 +#define FIO_IOOPS_VERSION 3 -extern struct ioengine_ops *load_ioengine(struct thread_data *, char *); +extern struct ioengine_ops *load_ioengine(struct thread_data *, const char *); +extern int register_ioengine(struct ioengine_ops *); +extern void unregister_ioengine(struct ioengine_ops *); extern void close_ioengine(struct thread_data *); /* * Mark unused variables passed to ops functions as unused, to silence gcc */ #define fio_unused __attribute((__unused__)) +#define fio_init __attribute__((constructor)) +#define fio_exit __attribute__((destructor)) +#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) < (td)->nr_files; (i)++, (f) = &(td)->files[(i)]) + for ((i) = 0, (f) = &(td)->files[0]; (i) < (int) (td)->nr_files; (i)++, (f)++) #endif