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-rw-r--r--include/sys/kstat.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/sys/kstat.h b/include/sys/kstat.h
index 45386d49a..06379f827 100644
--- a/include/sys/kstat.h
+++ b/include/sys/kstat.h
@@ -43,7 +43,8 @@
#define KSTAT_TYPE_INTR 2 /* interrupt stats; ks_ndata == 1 */
#define KSTAT_TYPE_IO 3 /* I/O stats; ks_ndata == 1 */
#define KSTAT_TYPE_TIMER 4 /* event timer; ks_ndata >= 1 */
-#define KSTAT_NUM_TYPES 5
+#define KSTAT_TYPE_TXG 5 /* txg sync; ks_ndata >= 1 */
+#define KSTAT_NUM_TYPES 6
#define KSTAT_DATA_CHAR 0
#define KSTAT_DATA_INT32 1
@@ -156,6 +157,26 @@ typedef struct kstat_timer {
hrtime_t stop_time; /* previous event stop time */
} kstat_timer_t;
+typedef enum kstat_txg_state {
+ TXG_STATE_OPEN = 1,
+ TXG_STATE_QUIESCING = 2,
+ TXG_STATE_SYNCING = 3,
+ TXG_STATE_COMMITTED = 4,
+} kstat_txg_state_t;
+
+typedef struct kstat_txg {
+ u_longlong_t txg; /* txg id */
+ kstat_txg_state_t state; /* txg state */
+ hrtime_t birth; /* birth time stamp */
+ u_longlong_t nread; /* number of bytes read */
+ u_longlong_t nwritten; /* number of bytes written */
+ uint_t reads; /* number of read operations */
+ uint_t writes; /* number of write operations */
+ hrtime_t open_time; /* open time */
+ hrtime_t quiesce_time;/* quiesce time */
+ hrtime_t sync_time; /* sync time */
+} kstat_txg_t;
+
int spl_kstat_init(void);
void spl_kstat_fini(void);