X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=diskutil.h;h=49c56ae63cb59fe17a5ad6b988df9fc98368b01d;hp=35fd0a5953b97c130f331c4691d9d4e6067450f5;hb=d09a64a01a6c807596e9286c93f6c6f30fd2ea26;hpb=7c9b1bce094d58c374b086bbb780c08265623ea4 diff --git a/diskutil.h b/diskutil.h index 35fd0a59..49c56ae6 100644 --- a/diskutil.h +++ b/diskutil.h @@ -1,16 +1,31 @@ #ifndef FIO_DISKUTIL_H #define FIO_DISKUTIL_H +#define FIO_DU_NAME_SZ 64 + /* * Disk utils as read in /sys/block//stat */ struct disk_util_stat { - unsigned ios[2]; - unsigned merges[2]; - unsigned long long sectors[2]; - unsigned ticks[2]; - unsigned io_ticks; - unsigned time_in_queue; + uint8_t name[FIO_DU_NAME_SZ]; + uint32_t ios[2]; + uint32_t merges[2]; + uint64_t sectors[2]; + uint32_t ticks[2]; + uint32_t io_ticks; + uint32_t time_in_queue; + uint64_t msec; +}; + +struct disk_util_agg { + uint32_t ios[2]; + uint32_t merges[2]; + uint64_t sectors[2]; + uint32_t ticks[2]; + uint32_t io_ticks; + uint32_t time_in_queue; + uint32_t slavecount; + fio_fp64_t max_util; }; /* @@ -31,6 +46,8 @@ struct disk_util { struct disk_util_stat dus; struct disk_util_stat last_dus; + struct disk_util_agg agg; + /* 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 @@ -40,42 +57,56 @@ struct disk_util { */ struct flist_head slaves; - unsigned long msec; struct timeval time; struct fio_mutex *lock; unsigned long users; }; -static inline void disk_util_inc(struct disk_util *du) +static inline void disk_util_mod(struct disk_util *du, int val) { if (du) { + struct flist_head *n; + fio_mutex_down(du->lock); - du->users++; + du->users += val; + + flist_for_each(n, &du->slavelist) { + struct disk_util *slave; + + slave = flist_entry(n, struct disk_util, slavelist); + slave->users += val; + } fio_mutex_up(du->lock); } } +static inline void disk_util_inc(struct disk_util *du) +{ + disk_util_mod(du, 1); +} static inline void disk_util_dec(struct disk_util *du) { - if (du) { - fio_mutex_down(du->lock); - du->users--; - fio_mutex_up(du->lock); - } + disk_util_mod(du, -1); } #define DISK_UTIL_MSEC (250) +extern struct flist_head disk_list; + /* * disk util stuff */ #ifdef FIO_HAVE_DISK_UTIL +extern void print_disk_util(struct disk_util_stat *, struct disk_util_agg *); extern void show_disk_util(void); +extern void free_disk_util(void); extern void init_disk_util(struct thread_data *); extern void update_io_ticks(void); #else +#define print_disk_util(dus, agg) #define show_disk_util() +#define free_disk_util() #define init_disk_util(td) #define update_io_ticks() #endif