Add section 9 to HOWTO table of contents.

[fio.git] / iolog.h

diff --git a/iolog.h b/iolog.h
index 2a97e2855c2e11455a508947f594d20316f184c0..bb5c9b785813bd4b4dd0e18eb20c26f231872fd5 100644 (file)
--- a/iolog.h
+++ b/iolog.h
@@ -1,16 +1,18 @@
 #ifndef FIO_IOLOG_H
 #define FIO_IOLOG_H
 
+#include "lib/ieee754.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;
 };
 
 /*
@@ -27,9 +29,26 @@ struct io_sample {
  * Dynamically growing data sample log
  */
 struct io_log {
+       /*
+        * Entries already logged
+        */
        unsigned long nr_samples;
        unsigned long max_samples;
        struct io_sample *log;
+
+       /*
+        * 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,
 };
 
 /*
@@ -40,12 +59,14 @@ 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 long len;
+       unsigned int flags;
        enum fio_ddir ddir;
        union {
                unsigned long delay;
@@ -83,16 +104,21 @@ 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, 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);
 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