X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=07163916585baea680eb14604b3020c2d300e20b;hp=2b646866007f89c3ea5cb3112ac0519f205b54a5;hb=47986339e372697d9a79d48de21eb0f311386bf0;hpb=5995a6a46a4c697a6c68c02da3c7c46c0cdea23f diff --git a/iolog.h b/iolog.h index 2b646866..07163916 100644 --- a/iolog.h +++ b/iolog.h @@ -1,35 +1,73 @@ #ifndef FIO_IOLOG_H #define FIO_IOLOG_H +#include "lib/rbtree.h" +#include "lib/ieee754.h" +#include "flist.h" +#include "ioengine.h" + /* * Use for maintaining statistics */ struct io_stat { - unsigned long max_val; - unsigned long min_val; - unsigned long samples; + uint64_t max_val; + uint64_t min_val; + uint64_t samples; - double mean; - double S; + fio_fp64_t mean; + fio_fp64_t S; }; /* * A single data sample */ struct io_sample { - unsigned long time; - unsigned long val; - enum fio_ddir ddir; - unsigned int bs; + uint64_t time; + uint64_t val; + uint32_t ddir; + uint32_t bs; +}; + +enum { + IO_LOG_TYPE_LAT = 1, + IO_LOG_TYPE_CLAT, + IO_LOG_TYPE_SLAT, + IO_LOG_TYPE_BW, + IO_LOG_TYPE_IOPS, }; /* * Dynamically growing data sample log */ struct io_log { + /* + * Entries already logged + */ unsigned long nr_samples; unsigned long max_samples; struct io_sample *log; + + unsigned int log_type; + + /* + * If we fail extending the log, stop collecting more entries. + */ + unsigned int disabled; + + /* + * Windowed average, for logging single entries average over some + * period of time. + */ + struct io_stat avg_window[DDIR_RWDIR_CNT]; + unsigned long avg_msec; + unsigned long avg_last; +}; + +enum { + IP_F_ONRB = 1, + IP_F_ONLIST = 2, + IP_F_TRIMMED = 4, + IP_F_IN_FLIGHT = 8, }; /* @@ -40,12 +78,15 @@ struct io_piece { struct rb_node rb_node; struct flist_head list; }; + struct flist_head trim_list; union { int fileno; struct fio_file *file; }; unsigned long long offset; + unsigned short numberio; unsigned long len; + unsigned int flags; enum fio_ddir ddir; union { unsigned long delay; @@ -63,6 +104,7 @@ enum file_log_act { FIO_LOG_UNLINK_FILE, }; +struct io_u; 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); @@ -75,22 +117,31 @@ extern void write_iolog_close(struct thread_data *); /* * Logging */ +extern void finalize_logs(struct thread_data *td); +extern void add_lat_sample(struct thread_data *, enum fio_ddir, unsigned long, + unsigned 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 add_iops_sample(struct thread_data *, enum fio_ddir, unsigned int, + struct timeval *); extern void init_disk_util(struct thread_data *); extern void update_rusage_stat(struct thread_data *); -extern void update_io_ticks(void); -extern void setup_log(struct io_log **); +extern void setup_log(struct io_log **, unsigned long, int); extern void finish_log(struct thread_data *, struct io_log *, const char *); 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 struct io_log *agg_io_log[DDIR_RWDIR_CNT]; extern int write_bw_log; extern void add_agg_sample(unsigned long, enum fio_ddir, unsigned int); +static inline void init_ipo(struct io_piece *ipo) +{ + memset(ipo, 0, sizeof(*ipo)); + INIT_FLIST_HEAD(&ipo->trim_list); +} + #endif