diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 977ba02c154e..b39ab87b3c75 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -4101,6 +4101,8 @@ dump_l2arc_log_entries(uint64_t log_entries,
 		    (u_longlong_t)L2BLK_GET_PREFETCH((&le[j])->le_prop));
 		(void) printf("|\t\t\t\taddress: %llu\n",
 		    (u_longlong_t)le[j].le_daddr);
+		(void) printf("|\t\t\t\tstate: %llu\n",
+		    (u_longlong_t)L2BLK_GET_STATE((&le[j])->le_prop));
 		(void) printf("|\n");
 	}
 	(void) printf("\n");
diff --git a/include/sys/arc_impl.h b/include/sys/arc_impl.h
index d07791d07d4e..338aa64d5a88 100644
--- a/include/sys/arc_impl.h
+++ b/include/sys/arc_impl.h
@@ -349,6 +349,8 @@ typedef struct l2arc_lb_ptr_buf {
 #define	L2BLK_SET_TYPE(field, x)	BF64_SET((field), 48, 8, x)
 #define	L2BLK_GET_PROTECTED(field)	BF64_GET((field), 56, 1)
 #define	L2BLK_SET_PROTECTED(field, x)	BF64_SET((field), 56, 1, x)
+#define	L2BLK_GET_STATE(field)		BF64_GET((field), 57, 4)
+#define	L2BLK_SET_STATE(field, x)	BF64_SET((field), 57, 4, x)
 
 #define	PTR_SWAP(x, y)		\
 	do {			\
@@ -445,6 +447,7 @@ typedef struct l2arc_buf_hdr {
 	uint64_t		b_daddr;	/* disk address, offset byte */
 	uint32_t		b_hits;
 	list_node_t		b_l2node;
+	arc_state_type_t	b_arcs_state;
 } l2arc_buf_hdr_t;
 
 typedef struct l2arc_write_callback {
@@ -733,6 +736,20 @@ typedef struct arc_stats {
 	kstat_named_t arcstat_mfu_ghost_evictable_metadata;
 	kstat_named_t arcstat_l2_hits;
 	kstat_named_t arcstat_l2_misses;
+	/*
+	 * Aligned size (in bytes) of L2ARC cached buffers according to their
+	 * ARC state at the time of caching in L2ARC.
+	 */
+	kstat_named_t arcstat_l2_mru_asize;
+	kstat_named_t arcstat_l2_mru_ghost_asize;
+	kstat_named_t arcstat_l2_mfu_asize;
+	kstat_named_t arcstat_l2_mfu_ghost_asize;
+	/*
+	 * Aligned size (in bytes) of L2ARC cached buffers by buffer content
+	 * type.
+	 */
+	kstat_named_t arcstat_l2_bufc_data_asize;
+	kstat_named_t arcstat_l2_bufc_metadata_asize;
 	kstat_named_t arcstat_l2_feeds;
 	kstat_named_t arcstat_l2_rw_clash;
 	kstat_named_t arcstat_l2_read_bytes;
diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index 0512497d50d5..6b818d106917 100644
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -527,6 +527,12 @@ arc_stats_t arc_stats = {
 	{ "mfu_ghost_evictable_metadata", KSTAT_DATA_UINT64 },
 	{ "l2_hits",			KSTAT_DATA_UINT64 },
 	{ "l2_misses",			KSTAT_DATA_UINT64 },
+	{ "l2_mru_asize",		KSTAT_DATA_UINT64 },
+	{ "l2_mru_ghost_asize",		KSTAT_DATA_UINT64 },
+	{ "l2_mfu_asize",		KSTAT_DATA_UINT64 },
+	{ "l2_mfu_ghost_asize",		KSTAT_DATA_UINT64 },
+	{ "l2_bufc_data_asize",		KSTAT_DATA_UINT64 },
+	{ "l2_bufc_metadata_asize",	KSTAT_DATA_UINT64 },
 	{ "l2_feeds",			KSTAT_DATA_UINT64 },
 	{ "l2_rw_clash",		KSTAT_DATA_UINT64 },
 	{ "l2_read_bytes",		KSTAT_DATA_UINT64 },
@@ -887,6 +893,7 @@ static inline void arc_hdr_clear_flags(arc_buf_hdr_t *hdr, arc_flags_t flags);
 static boolean_t l2arc_write_eligible(uint64_t, arc_buf_hdr_t *);
 static void l2arc_read_done(zio_t *);
 static void l2arc_do_free_on_write(void);
+static void l2arc_hdr_arcstats_update(arc_buf_hdr_t *hdr, boolean_t incr);
 
 /*
  * L2ARC TRIM
@@ -1707,7 +1714,8 @@ arc_buf_try_copy_decompressed_data(arc_buf_t *buf)
 static arc_buf_hdr_t *
 arc_buf_alloc_l2only(size_t size, arc_buf_contents_t type, l2arc_dev_t *dev,
     dva_t dva, uint64_t daddr, int32_t psize, uint64_t birth,
-    enum zio_compress compress, boolean_t protected, boolean_t prefetch)
+    enum zio_compress compress, boolean_t protected, boolean_t prefetch,
+    arc_state_type_t arcs_state)
 {
 	arc_buf_hdr_t	*hdr;
 
@@ -1730,6 +1738,7 @@ arc_buf_alloc_l2only(size_t size, arc_buf_contents_t type, l2arc_dev_t *dev,
 
 	hdr->b_l2hdr.b_dev = dev;
 	hdr->b_l2hdr.b_daddr = daddr;
+	hdr->b_l2hdr.b_arcs_state = arcs_state;
 
 	return (hdr);
 }
@@ -3661,6 +3670,62 @@ arc_alloc_raw_buf(spa_t *spa, void *tag, uint64_t dsobj, boolean_t byteorder,
 	return (buf);
 }
 
+static void
+l2arc_hdr_arcstats_update(arc_buf_hdr_t *hdr, boolean_t incr)
+{
+	l2arc_buf_hdr_t *l2hdr = &hdr->b_l2hdr;
+	l2arc_dev_t *dev = l2hdr->b_dev;
+	uint64_t lsize = HDR_GET_LSIZE(hdr);
+	uint64_t psize = HDR_GET_PSIZE(hdr);
+	uint64_t asize = vdev_psize_to_asize(dev->l2ad_vdev, psize);
+	arc_buf_contents_t type = hdr->b_type;
+	int64_t lsize_s;
+	int64_t psize_s;
+	int64_t asize_s;
+
+	if (!incr) {
+		lsize_s = -lsize;
+		psize_s = -psize;
+		asize_s = -asize;
+	} else {
+		lsize_s = lsize;
+		psize_s = psize;
+		asize_s = asize;
+	}
+
+	ARCSTAT_INCR(arcstat_l2_psize, psize_s);
+	ARCSTAT_INCR(arcstat_l2_lsize, lsize_s);
+
+	switch (hdr->b_l2hdr.b_arcs_state) {
+		case ARC_STATE_MRU:
+			ARCSTAT_INCR(arcstat_l2_mru_asize, asize_s);
+			break;
+		case ARC_STATE_MRU_GHOST:
+			ARCSTAT_INCR(arcstat_l2_mru_ghost_asize, asize_s);
+			break;
+		case ARC_STATE_MFU:
+			ARCSTAT_INCR(arcstat_l2_mfu_asize, asize_s);
+			break;
+		case ARC_STATE_MFU_GHOST:
+			ARCSTAT_INCR(arcstat_l2_mfu_ghost_asize, asize_s);
+			break;
+		default:
+			break;
+	}
+
+	switch (type) {
+		case ARC_BUFC_DATA:
+			ARCSTAT_INCR(arcstat_l2_bufc_data_asize, asize_s);
+			break;
+		case ARC_BUFC_METADATA:
+			ARCSTAT_INCR(arcstat_l2_bufc_metadata_asize, asize_s);
+			break;
+		default:
+			break;
+	}
+}
+
+
 static void
 arc_hdr_l2hdr_destroy(arc_buf_hdr_t *hdr)
 {
@@ -3674,9 +3739,7 @@ arc_hdr_l2hdr_destroy(arc_buf_hdr_t *hdr)
 
 	list_remove(&dev->l2ad_buflist, hdr);
 
-	ARCSTAT_INCR(arcstat_l2_psize, -psize);
-	ARCSTAT_INCR(arcstat_l2_lsize, -HDR_GET_LSIZE(hdr));
-
+	l2arc_hdr_arcstats_update(hdr, B_FALSE);
 	vdev_space_update(dev->l2ad_vdev, -asize, 0, 0);
 
 	(void) zfs_refcount_remove_many(&dev->l2ad_alloc, arc_hdr_size(hdr),
@@ -8025,9 +8088,6 @@ l2arc_write_done(zio_t *zio)
 	DTRACE_PROBE2(l2arc__iodone, zio_t *, zio,
 	    l2arc_write_callback_t *, cb);
 
-	if (zio->io_error != 0)
-		ARCSTAT_BUMP(arcstat_l2_writes_error);
-
 	/*
 	 * All writes completed, or an error was hit.
 	 */
@@ -8091,8 +8151,7 @@ l2arc_write_done(zio_t *zio)
 			arc_hdr_clear_flags(hdr, ARC_FLAG_HAS_L2HDR);
 
 			uint64_t psize = HDR_GET_PSIZE(hdr);
-			ARCSTAT_INCR(arcstat_l2_psize, -psize);
-			ARCSTAT_INCR(arcstat_l2_lsize, -HDR_GET_LSIZE(hdr));
+			l2arc_hdr_arcstats_update(hdr, B_FALSE);
 
 			bytes_dropped +=
 			    vdev_psize_to_asize(dev->l2ad_vdev, psize);
@@ -8140,6 +8199,8 @@ l2arc_write_done(zio_t *zio)
 	list_destroy(&cb->l2wcb_abd_list);
 
 	if (zio->io_error != 0) {
+		ARCSTAT_BUMP(arcstat_l2_writes_error);
+
 		/*
 		 * Restore the lbps array in the header to its previous state.
 		 * If the list of log block pointers is empty, zero out the
@@ -9024,6 +9085,8 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
 			hdr->b_l2hdr.b_hits = 0;
 
 			hdr->b_l2hdr.b_daddr = dev->l2ad_hand;
+			hdr->b_l2hdr.b_arcs_state =
+			    hdr->b_l1hdr.b_state->arcs_state;
 			arc_hdr_set_flags(hdr, ARC_FLAG_HAS_L2HDR);
 
 			mutex_enter(&dev->l2ad_mtx);
@@ -9046,6 +9109,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
 			write_psize += psize;
 			write_asize += asize;
 			dev->l2ad_hand += asize;
+			l2arc_hdr_arcstats_update(hdr, B_TRUE);
 			vdev_space_update(dev->l2ad_vdev, asize, 0, 0);
 
 			mutex_exit(hash_lock);
@@ -10023,19 +10087,18 @@ l2arc_hdr_restore(const l2arc_log_ent_phys_t *le, l2arc_dev_t *dev)
 	    L2BLK_GET_PSIZE((le)->le_prop), le->le_birth,
 	    L2BLK_GET_COMPRESS((le)->le_prop),
 	    L2BLK_GET_PROTECTED((le)->le_prop),
-	    L2BLK_GET_PREFETCH((le)->le_prop));
+	    L2BLK_GET_PREFETCH((le)->le_prop),
+	    L2BLK_GET_STATE((le)->le_prop));
 	asize = vdev_psize_to_asize(dev->l2ad_vdev,
 	    L2BLK_GET_PSIZE((le)->le_prop));
 
 	/*
 	 * vdev_space_update() has to be called before arc_hdr_destroy() to
-	 * avoid underflow since the latter also calls the former.
+	 * avoid underflow since the latter also calls vdev_space_update().
 	 */
+	l2arc_hdr_arcstats_update(hdr, B_TRUE);
 	vdev_space_update(dev->l2ad_vdev, asize, 0, 0);
 
-	ARCSTAT_INCR(arcstat_l2_lsize, HDR_GET_LSIZE(hdr));
-	ARCSTAT_INCR(arcstat_l2_psize, HDR_GET_PSIZE(hdr));
-
 	mutex_enter(&dev->l2ad_mtx);
 	list_insert_tail(&dev->l2ad_buflist, hdr);
 	(void) zfs_refcount_add_many(&dev->l2ad_alloc, arc_hdr_size(hdr), hdr);
@@ -10055,14 +10118,15 @@ l2arc_hdr_restore(const l2arc_log_ent_phys_t *le, l2arc_dev_t *dev)
 			arc_hdr_set_flags(exists, ARC_FLAG_HAS_L2HDR);
 			exists->b_l2hdr.b_dev = dev;
 			exists->b_l2hdr.b_daddr = le->le_daddr;
+			exists->b_l2hdr.b_arcs_state =
+			    L2BLK_GET_STATE((le)->le_prop);
 			mutex_enter(&dev->l2ad_mtx);
 			list_insert_tail(&dev->l2ad_buflist, exists);
 			(void) zfs_refcount_add_many(&dev->l2ad_alloc,
 			    arc_hdr_size(exists), exists);
 			mutex_exit(&dev->l2ad_mtx);
+			l2arc_hdr_arcstats_update(exists, B_TRUE);
 			vdev_space_update(dev->l2ad_vdev, asize, 0, 0);
-			ARCSTAT_INCR(arcstat_l2_lsize, HDR_GET_LSIZE(exists));
-			ARCSTAT_INCR(arcstat_l2_psize, HDR_GET_PSIZE(exists));
 		}
 		ARCSTAT_BUMP(arcstat_l2_rebuild_bufs_precached);
 	}
@@ -10357,6 +10421,7 @@ l2arc_log_blk_insert(l2arc_dev_t *dev, const arc_buf_hdr_t *hdr)
 	L2BLK_SET_TYPE((le)->le_prop, hdr->b_type);
 	L2BLK_SET_PROTECTED((le)->le_prop, !!(HDR_PROTECTED(hdr)));
 	L2BLK_SET_PREFETCH((le)->le_prop, !!(HDR_PREFETCH(hdr)));
+	L2BLK_SET_STATE((le)->le_prop, hdr->b_l1hdr.b_state->arcs_state);
 
 	dev->l2ad_log_blk_payload_asize += vdev_psize_to_asize(dev->l2ad_vdev,
 	    HDR_GET_PSIZE(hdr));