X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=iolog.h;h=70981f99de474cc751767b278a1ac8712066a0c5;hp=011179a020ccd05830be26ca1d82053417623f32;hb=44e8e956254815d90472076951b81bc933f83fd5;hpb=3c746856fd63f3f7624a34ea70e226a290d9cc01 diff --git a/iolog.h b/iolog.h index 011179a0..70981f99 100644 --- a/iolog.h +++ b/iolog.h @@ -4,7 +4,7 @@ #include "lib/rbtree.h" #include "lib/ieee754.h" #include "flist.h" -#include "ioengine.h" +#include "ioengines.h" /* * Use for maintaining statistics @@ -21,14 +21,24 @@ struct io_stat { struct io_hist { uint64_t samples; unsigned long hist_last; + struct flist_head list; +}; + + +union io_sample_data { + uint64_t val; + struct io_u_plat_entry *plat_entry; }; +#define sample_val(value) ((union io_sample_data) { .val = value }) +#define sample_plat(plat) ((union io_sample_data) { .plat_entry = plat }) + /* * A single data sample */ struct io_sample { uint64_t time; - uint64_t val; + union io_sample_data data; uint32_t __ddir; uint32_t bs; }; @@ -107,19 +117,25 @@ struct io_log { */ struct io_stat avg_window[DDIR_RWDIR_CNT]; unsigned long avg_msec; - unsigned long avg_last; + unsigned long avg_last[DDIR_RWDIR_CNT]; - /* - * Windowed latency histograms, for keeping track of when we need to - * save a copy of the histogram every approximately hist_msec milliseconds. - */ + /* + * Windowed latency histograms, for keeping track of when we need to + * save a copy of the histogram every approximately hist_msec + * milliseconds. + */ struct io_hist hist_window[DDIR_RWDIR_CNT]; unsigned long hist_msec; - int hist_coarseness; + unsigned int hist_coarseness; pthread_mutex_t chunk_lock; unsigned int chunk_seq; struct flist_head chunk_list; + + pthread_mutex_t deferred_free_lock; +#define IOLOG_MAX_DEFER 8 + void *deferred_items[IOLOG_MAX_DEFER]; + unsigned int deferred; }; /* @@ -148,6 +164,11 @@ static inline size_t log_entry_sz(struct io_log *log) return __log_entry_sz(log->log_offset); } +static inline size_t log_sample_sz(struct io_log *log, struct io_logs *cur_log) +{ + return cur_log->nr_samples * log_entry_sz(log); +} + static inline struct io_sample *__get_sample(void *samples, int log_offset, uint64_t sample) { @@ -178,7 +199,7 @@ enum { */ struct io_piece { union { - struct rb_node rb_node; + struct fio_rb_node rb_node; struct flist_head list; }; struct flist_head trim_list; @@ -243,7 +264,7 @@ struct log_params { static inline bool per_unit_log(struct io_log *log) { - return log && !log->avg_msec; + return log && (!log->avg_msec || log->log_gz || log->log_gz_store); } static inline bool inline_log(struct io_log *log) @@ -253,10 +274,19 @@ static inline bool inline_log(struct io_log *log) log->log_type == IO_LOG_TYPE_SLAT; } +static inline void ipo_bytes_align(unsigned int replay_align, struct io_piece *ipo) +{ + if (!replay_align) + return; + + ipo->offset &= ~(replay_align - (uint64_t)1); +} + extern void finalize_logs(struct thread_data *td, bool); extern void setup_log(struct io_log **, struct log_params *, const char *); extern void flush_log(struct io_log *, bool); extern void flush_samples(FILE *, void *, uint64_t); +extern uint64_t hist_sum(int, int, uint64_t *, uint64_t *); extern void free_log(struct io_log *); extern void fio_writeout_logs(bool); extern void td_writeout_logs(struct thread_data *, bool);