X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=fio.h;h=9471666b02b45cf7328637841e249636247f06c1;hp=112736c81a360b265bd25c26820734f743ee34eb;hb=263e529f7d90892a610a5b26a519116fe3a675a6;hpb=c1d5725eaad49dbf5b3a05c27b0b3677af69f64c diff --git a/fio.h b/fio.h index 112736c8..9471666b 100644 --- a/fio.h +++ b/fio.h @@ -39,6 +39,7 @@ struct io_log { struct io_piece { struct list_head list; + struct fio_file *file; unsigned long long offset; unsigned int len; int ddir; @@ -73,6 +74,8 @@ struct io_u { unsigned char seen; unsigned char ddir; + struct fio_file *file; + struct list_head list; }; @@ -128,6 +131,28 @@ enum fio_ioengine_flags { FIO_SYNCIO = 1 << 0, FIO_CPUIO = 1 << 1, FIO_MMAPIO = 1 << 2, + FIO_RAWIO = 1 << 3, +}; + +struct fio_file { + /* + * A file may not be a file descriptor, let the io engine decide + */ + 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; + + int fileno; }; /* @@ -135,16 +160,16 @@ enum fio_ioengine_flags { */ struct thread_data { char name[32]; - char *file_name; char *directory; char verror[80]; pthread_t thread; int thread_number; int groupid; enum fio_filetype filetype; + struct fio_file *files; + unsigned int nr_files; + unsigned int next_file; int error; - int fd; - void *mmap; pid_t pid; char *orig_buffer; size_t orig_buffer_size; @@ -164,6 +189,7 @@ struct thread_data { 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; @@ -178,9 +204,6 @@ struct thread_data { unsigned int overwrite; unsigned int bw_avg_time; unsigned int loops; - unsigned long long file_size; - unsigned long long real_file_size; - unsigned long long file_offset; unsigned long long zone_size; unsigned long long zone_skip; enum fio_memtype mem_type; @@ -233,21 +256,20 @@ struct thread_data { 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 long io_blocks[2]; unsigned long long io_bytes[2]; unsigned long long zone_bytes; unsigned long long this_io_bytes[2]; - unsigned long long last_pos; volatile int mutex; /* * State for random io, a bitmap of blocks done vs not done */ os_random_state_t random_state; - unsigned long *file_map; - unsigned int num_maps; /* * CPU "io" cycle burner @@ -326,6 +348,7 @@ extern int terse_output; extern FILE *f_out; extern FILE *f_err; extern char *fio_inst_prefix; +extern int temp_stall_ts; extern struct thread_data *threads; @@ -334,9 +357,9 @@ extern struct thread_data *threads; #define td_rw(td) ((td)->iomix != 0) #define BLOCKS_PER_MAP (8 * sizeof(long)) -#define TO_MAP_BLOCK(td, b) ((b) - ((td)->file_offset / (td)->min_bs)) -#define RAND_MAP_IDX(td, b) (TO_MAP_BLOCK(td, b) / BLOCKS_PER_MAP) -#define RAND_MAP_BIT(td, b) (TO_MAP_BLOCK(td, b) & (BLOCKS_PER_MAP - 1)) +#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 MAX_JOBS (1024) @@ -404,10 +427,12 @@ extern int setup_rate(struct thread_data *); /* * Time functions */ +extern void time_init(void); extern unsigned long utime_since(struct timeval *, 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_sleep(struct thread_data *, unsigned long); extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); @@ -418,6 +443,35 @@ extern void rate_throttle(struct thread_data *, unsigned long, unsigned int); 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 *); + +/* + * ETA/status stuff + */ +extern void print_thread_status(void); +extern void print_status_init(int); + +/* + * Thread life cycle. Once a thread has a runstate beyond TD_INITIALIZED, it + * will never back again. It may cycle between running/verififying/fsyncing. + * Once the thread reaches TD_EXITED, it is just waiting for the core to + * reap it. + */ +enum { + TD_NOT_CREATED = 0, + TD_CREATED, + TD_INITIALIZED, + TD_RUNNING, + TD_VERIFYING, + TD_FSYNCING, + TD_EXITED, + TD_REAPED, +}; + /* * 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. @@ -455,6 +509,7 @@ 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 *); @@ -462,12 +517,12 @@ 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 *); + int (*sync)(struct thread_data *, struct fio_file *); void *data; void *dlhandle; }; -#define FIO_IOOPS_VERSION 1 +#define FIO_IOOPS_VERSION 2 extern struct ioengine_ops *load_ioengine(struct thread_data *, char *); extern void close_ioengine(struct thread_data *); @@ -477,4 +532,7 @@ extern void close_ioengine(struct thread_data *); */ #define fio_unused __attribute((__unused__)) +#define for_each_file(td, f, i) \ + for ((i) = 0, (f) = &(td)->files[0]; (i) < (td)->nr_files; (i)++, (f) = &(td)->files[(i)]) + #endif