diff --git a/sys/dev/nvme/nvme_ns.c b/sys/dev/nvme/nvme_ns.c
--- a/sys/dev/nvme/nvme_ns.c
+++ b/sys/dev/nvme/nvme_ns.c
@@ -428,6 +428,7 @@
 	if (child_bios == NULL)
 		return (ENOMEM);
 
+	atomic_add_long(&ns->ctrlr->alignment_splits, 1);
 	for (i = 0; i < num_bios; i++) {
 		child = child_bios[i];
 		err = nvme_ns_bio_process(ns, child, nvme_bio_child_done);
diff --git a/sys/dev/nvme/nvme_private.h b/sys/dev/nvme/nvme_private.h
--- a/sys/dev/nvme/nvme_private.h
+++ b/sys/dev/nvme/nvme_private.h
@@ -317,6 +317,9 @@
 	bus_dmamap_t			hmb_desc_map;
 	struct nvme_hmb_desc		*hmb_desc_vaddr;
 	uint64_t			hmb_desc_paddr;
+
+	/* Statistics */
+	long				alignment_splits;
 };
 
 #define nvme_mmio_offsetof(reg)						       \
diff --git a/sys/dev/nvme/nvme_sysctl.c b/sys/dev/nvme/nvme_sysctl.c
--- a/sys/dev/nvme/nvme_sysctl.c
+++ b/sys/dev/nvme/nvme_sysctl.c
@@ -419,4 +419,8 @@
 		nvme_sysctl_initialize_queue(&ctrlr->ioq[i], ctrlr_ctx,
 		    que_tree);
 	}
+
+	SYSCTL_ADD_LONG(ctrlr_ctx, ctrlr_list, OID_AUTO, "alignment_splits",
+	    CTLFLAG_RD, &ctrlr->alignment_splits,
+	    "Number of times we split the I/O in a namespace to get better alignment");
 }