diff --git a/format.c b/format.c
index c7f7b90a..6ff04e72 100644
--- a/format.c
+++ b/format.c
@@ -761,22 +761,46 @@ format_cb_history_bytes(struct format_tree *ft, struct format_entry *fe)
 	struct window_pane	*wp = ft->wp;
 	struct grid		*gd;
 	struct grid_line	*gl;
-	unsigned long long	 size;
+	size_t		         size = 0;
 	u_int			 i;
 
 	if (wp == NULL)
 		return;
 	gd = wp->base.grid;
 
-	size = 0;
-	for (i = 0; i < gd->hsize; i++) {
+	for (i = 0; i < gd->hsize + gd->sy; i++) {
 		gl = grid_get_line(gd, i);
 		size += gl->cellsize * sizeof *gl->celldata;
 		size += gl->extdsize * sizeof *gl->extddata;
 	}
-	size += gd->hsize * sizeof *gl;
+	size += (gd->hsize + gd->sy) * sizeof *gl;
 
-	xasprintf(&fe->value, "%llu", size);
+	xasprintf(&fe->value, "%zu", size);
+}
+
+/* Callback for history_all_bytes. */
+static void
+format_cb_history_all_bytes(struct format_tree *ft, struct format_entry *fe)
+{
+	struct window_pane	*wp = ft->wp;
+	struct grid		*gd;
+	struct grid_line	*gl;
+	u_int			 i, lines, cells = 0, extended_cells = 0;
+
+	if (wp == NULL)
+		return;
+	gd = wp->base.grid;
+
+	lines = gd->hsize + gd->sy;
+	for (i = 0; i < lines; i++) {
+		gl = grid_get_line(gd, i);
+		cells += gl->cellsize;
+		extended_cells += gl->extdsize;
+	}
+
+	xasprintf(&fe->value, "%u,%zu,%u,%zu,%u,%zu", lines,
+	    lines * sizeof *gl, cells, cells * sizeof *gl->celldata,
+	    extended_cells, extended_cells * sizeof *gl->extddata);
 }
 
 /* Callback for pane_tabs. */
@@ -2823,6 +2847,7 @@ format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
 	format_add(ft, "history_size", "%u", gd->hsize);
 	format_add(ft, "history_limit", "%u", gd->hlimit);
 	format_add_cb(ft, "history_bytes", format_cb_history_bytes);
+	format_add_cb(ft, "history_all_bytes", format_cb_history_all_bytes);
 
 	format_add(ft, "pane_written", "%zu", wp->written);
 	format_add(ft, "pane_skipped", "%zu", wp->skipped);
diff --git a/tmux.h b/tmux.h
index 118faf9c..1eaa1cc1 100644
--- a/tmux.h
+++ b/tmux.h
@@ -673,7 +673,7 @@ struct grid_cell {
 
 /* Grid extended cell entry. */
 struct grid_extd_entry {
-	uint32_t		data;
+	u_int			data;
 	u_short			attr;
 	u_char			flags;
 	int			fg;
@@ -2889,9 +2889,9 @@ u_int		 session_group_attached_count(struct session_group *);
 void		 session_renumber_windows(struct session *);
 
 /* utf8.c */
-uint32_t	 utf8_set_big(char, u_int);
-uint32_t	 utf8_map_big(const struct utf8_data *);
-void		 utf8_get_big(uint32_t, struct utf8_data *);
+u_int		 utf8_set_big(char, u_int);
+u_int		 utf8_map_big(const struct utf8_data *);
+void		 utf8_get_big(u_int, struct utf8_data *);
 void		 utf8_set(struct utf8_data *, u_char);
 void		 utf8_copy(struct utf8_data *, const struct utf8_data *);
 enum utf8_state	 utf8_open(struct utf8_data *, u_char);
diff --git a/utf8.c b/utf8.c
index 68c970d0..a01540b1 100644
--- a/utf8.c
+++ b/utf8.c
@@ -55,7 +55,7 @@ static u_int utf8_big_list_size;
 static u_int utf8_big_list_used;
 
 union utf8_big_map {
-	uint32_t	value;
+	u_int	value;
 	struct {
 		u_char	flags;
 #define UTF8_BIG_SIZE 0x1f
@@ -125,7 +125,7 @@ utf8_put_big_item(const char *data, size_t size, u_int *index)
 }
 
 /* Get UTF-8 as index into buffer. */
-uint32_t
+u_int
 utf8_map_big(const struct utf8_data *ud)
 {
 	union utf8_big_map	 m = { .value = 0 };
@@ -165,7 +165,7 @@ fail:
 
 /* Get UTF-8 from index into buffer. */
 void
-utf8_get_big(uint32_t v, struct utf8_data *ud)
+utf8_get_big(u_int v, struct utf8_data *ud)
 {
 	union utf8_big_map	 m = { .value = v };
 	struct utf8_big_item	*bi;
@@ -183,7 +183,7 @@ utf8_get_big(uint32_t v, struct utf8_data *ud)
 		return;
 	}
 
-	o = ((uint32_t)m.data[2] << 16)|((uint32_t)m.data[1] << 8)|m.data[0];
+	o = ((u_int)m.data[2] << 16)|((u_int)m.data[1] << 8)|m.data[0];
 	if (o >= utf8_big_list_used)
 		memset(ud->data, ' ', ud->size);
 	else {
@@ -193,7 +193,7 @@ utf8_get_big(uint32_t v, struct utf8_data *ud)
 }
 
 /* Get big value for UTF-8 single character. */
-uint32_t
+u_int
 utf8_set_big(char c, u_int width)
 {
 	union utf8_big_map	m = { .flags = 1, .data[0] = c };