Add the new statistics structure, put one in consumers and providers.

include <sys/time.h> as necessary.

sys/geom/bde/g_bde_lock.c

@@ -41,6 +41,7 @@
 #include <sys/stdint.h>
 #include <sys/lock.h>
 #include <sys/mutex.h>
+#include <sys/time.h>
 #include <sys/md5.h>
 
 #ifdef _KERNEL

sys/geom/geom.h

@@ -135,6 +135,30 @@ struct g_bioq {
 	int			bio_queue_length;
 };
 
+/*
+ * A g_stat contains the statistics we collect on consumers and
+ * providers.
+ */
+struct g_stat {
+	void		*id;
+	uint64_t	nop;
+	uint64_t	nend;
+	struct bintime	it;
+	struct bintime	wentidle;
+	struct {
+		uint64_t	nop;
+		uint64_t	nbyte;
+		uint64_t	nmem;
+		uint64_t	nerr;
+		struct bintime	dt;
+	} ops[5];
+#define G_STAT_IDX_READ		0
+#define G_STAT_IDX_WRITE	2
+#define G_STAT_IDX_DELETE	3
+#define G_STAT_IDX_GETATTR	4
+#define G_STAT_IDX_SETATTR	5
+};
+
 /*
  * A g_consumer is an attachment point for a g_provider.  One g_consumer
  * can only be attached to one g_provider, but multiple g_consumers
@@ -152,6 +176,7 @@ struct g_consumer {
 
 	int			biocount;
 	int			spoiled;
+	struct g_stat		stat;
 };
 
 /*
@@ -170,6 +195,7 @@ struct g_provider {
 	u_int			index;
 	off_t			mediasize;
 	u_int			sectorsize;
+	struct g_stat		stat;
 };
 
 /*

sys/geom/geom_enc.c

@@ -59,6 +59,7 @@
 #include <sys/malloc.h>
 #include <sys/systm.h>
 #endif
+#include <sys/time.h>
 #include <geom/geom.h>
 
 uint16_t