Fio 3.5

[fio.git] / stat.h

diff --git a/stat.h b/stat.h
index 132dee3cd876dcda01d18e60b576049a66f00eb1..cc91dfcc332e8a96748b326f9a6a0cda7b421230 100644 (file)
--- a/stat.h
+++ b/stat.h
@@ -11,6 +11,7 @@ struct group_run_stats {
        uint64_t agg[DDIR_RWDIR_CNT];
        uint32_t kb_base;
        uint32_t unit_base;
+       uint32_t sig_figs;
        uint32_t groupid;
        uint32_t unified_rw_rep;
 } __attribute__((packed));
@@ -23,6 +24,16 @@ struct group_run_stats {
 #define FIO_IO_U_LAT_U_NR 10
 #define FIO_IO_U_LAT_M_NR 12
 
+/*
+ * Constants for clat percentiles
+ */
+#define FIO_IO_U_PLAT_BITS 6
+#define FIO_IO_U_PLAT_VAL (1 << FIO_IO_U_PLAT_BITS)
+#define FIO_IO_U_PLAT_GROUP_NR 29
+#define FIO_IO_U_PLAT_NR (FIO_IO_U_PLAT_GROUP_NR * FIO_IO_U_PLAT_VAL)
+#define FIO_IO_U_LIST_MAX_LEN 20 /* The size of the default and user-specified
+                                       list of percentiles */
+
 /*
  * Aggregate clat samples to report percentile(s) of them.
  *
@@ -34,7 +45,7 @@ struct group_run_stats {
  *
  * FIO_IO_U_PLAT_GROUP_NR and FIO_IO_U_PLAT_BITS determine the maximum
  * range being tracked for latency samples. The maximum value tracked
- * accurately will be 2^(GROUP_NR + PLAT_BITS -1) microseconds.
+ * accurately will be 2^(GROUP_NR + PLAT_BITS - 1) nanoseconds.
  *
  * FIO_IO_U_PLAT_GROUP_NR and FIO_IO_U_PLAT_BITS determine the memory
  * requirement of storing those aggregate counts. The memory used will
@@ -98,22 +109,15 @@ struct group_run_stats {
  *     3       8       2               [256,511]               64
  *     4       9       3               [512,1023]              64
  *     ...     ...     ...             [...,...]               ...
- *     18      23      17              [8838608,+inf]**        64
+ *     28      33      27              [8589934592,+inf]**     64
  *
  *  * Special cases: when n < (M-1) or when n == (M-1), in both cases,
  *    the value cannot be rounded off. Use all bits of the sample as
  *    index.
  *
- *  ** If a sample's MSB is greater than 23, it will be counted as 23.
+ *  ** If a sample's MSB is greater than 33, it will be counted as 33.
  */
 
-#define FIO_IO_U_PLAT_BITS 6
-#define FIO_IO_U_PLAT_VAL (1 << FIO_IO_U_PLAT_BITS)
-#define FIO_IO_U_PLAT_GROUP_NR 29
-#define FIO_IO_U_PLAT_NR (FIO_IO_U_PLAT_GROUP_NR * FIO_IO_U_PLAT_VAL)
-#define FIO_IO_U_LIST_MAX_LEN 20 /* The size of the default and user-specified
-                                       list of percentiles */
-
 /*
  * Trim cycle count measurements
  */
@@ -155,6 +159,7 @@ struct thread_stat {
        /*
         * bandwidth and latency stats
         */
+       struct io_stat sync_stat __attribute__((aligned(8)));/* fsync etc stats */
        struct io_stat clat_stat[DDIR_RWDIR_CNT]; /* completion latency */
        struct io_stat slat_stat[DDIR_RWDIR_CNT]; /* submission latency */
        struct io_stat lat_stat[DDIR_RWDIR_CNT]; /* total latency */
@@ -172,7 +177,8 @@ struct thread_stat {
        /*
         * IO depth and latency stats
         */
-       uint64_t clat_percentiles;
+       uint32_t clat_percentiles;
+       uint32_t lat_percentiles;
        uint64_t percentile_precision;
        fio_fp64_t percentile_list[FIO_IO_U_LIST_MAX_LEN];
 
@@ -183,9 +189,10 @@ struct thread_stat {
        uint32_t io_u_lat_u[FIO_IO_U_LAT_U_NR];
        uint32_t io_u_lat_m[FIO_IO_U_LAT_M_NR];
        uint32_t io_u_plat[DDIR_RWDIR_CNT][FIO_IO_U_PLAT_NR];
+       uint32_t io_u_sync_plat[FIO_IO_U_PLAT_NR];
        uint32_t pad;
 
-       uint64_t total_io_u[DDIR_RWDIR_CNT];
+       uint64_t total_io_u[DDIR_RWDIR_SYNC_CNT];
        uint64_t short_io_u[DDIR_RWDIR_CNT];
        uint64_t drop_io_u[DDIR_RWDIR_CNT];
        uint64_t total_submit;
@@ -217,6 +224,8 @@ struct thread_stat {
        fio_fp64_t latency_percentile;
        uint64_t latency_window;
 
+       uint32_t sig_figs;
+
        uint64_t ss_dur;
        uint32_t ss_state;
        uint32_t ss_head;
@@ -253,6 +262,8 @@ struct jobs_eta {
        uint32_t is_pow2;
        uint32_t unit_base;
 
+       uint32_t sig_figs;
+
        uint32_t files_open;
 
        /*
@@ -289,7 +300,7 @@ extern void init_thread_stat(struct thread_stat *ts);
 extern void init_group_run_stat(struct group_run_stats *gs);
 extern void eta_to_str(char *str, unsigned long eta_sec);
 extern bool calc_lat(struct io_stat *is, unsigned long long *min, unsigned long long *max, double *mean, double *dev);
-extern unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr, fio_fp64_t *plist, unsigned long long **output, unsigned long long *maxv, unsigned long long *minv);
+extern unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr, fio_fp64_t *plist, unsigned long long **output, unsigned long long *maxv, unsigned long long *minv);
 extern void stat_calc_lat_n(struct thread_stat *ts, double *io_u_lat);
 extern void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat);
 extern void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat);
@@ -309,6 +320,8 @@ extern void add_iops_sample(struct thread_data *, struct io_u *,
                                unsigned int);
 extern void add_bw_sample(struct thread_data *, struct io_u *,
                                unsigned int, unsigned long long);
+extern void add_sync_clat_sample(struct thread_stat *ts,
+                                       unsigned long long nsec);
 extern int calc_log_samples(void);
 
 extern struct io_log *agg_io_log[DDIR_RWDIR_CNT];