Better diff: remove the comment as well.
Index: iostat.8
===================================================================
RCS file: /cvs/src/usr.sbin/iostat/iostat.8,v
retrieving revision 1.28
diff -u -p -r1.28 iostat.8
--- iostat.8 17 Sep 2022 11:39:09 -0000 1.28
+++ iostat.8 18 Sep 2022 16:15:26 -0000
@@ -134,9 +134,9 @@ characters written to terminals
.It disks
Disk operations.
The header of the field is the disk name and unit number.
-If more than four disk drives are configured in the system,
+By default,
.Nm
-displays only the first four drives.
+displays all drives.
To force
.Nm
to display specific drives, their names may be supplied on the command
Index: iostat.c
===================================================================
RCS file: /cvs/src/usr.sbin/iostat/iostat.c,v
retrieving revision 1.44
diff -u -p -r1.44 iostat.c
--- iostat.c 12 Jul 2021 15:09:21 -0000 1.44
+++ iostat.c 18 Sep 2022 16:15:26 -0000
@@ -442,9 +442,8 @@ selectdrives(char *argv[])
if (reps)
interval = 1;
- /* Pick up to 4 drives if none specified. */
if (ndrives == 0)
- for (i = 0; i < dk_ndrive && ndrives < 4; i++) {
+ for (i = 0; i < dk_ndrive ; i++) {
if (cur.dk_select[i])
continue;
cur.dk_select[i] = 1;
On Sep 18 18:10:51, h...@stare.cz wrote:
> By default, iostat displays the first for drives.
> It would be less surprising if it displayed all drives.
>
> It seems that the reason to display four is that
> it fits into the 80 columns (that is, with -d; otherwise,
> the cpu and tty display make the line overflow anyway).
>
> Jan
>
>
>
> Index: iostat.8
> ===================================================================
> RCS file: /cvs/src/usr.sbin/iostat/iostat.8,v
> retrieving revision 1.28
> diff -u -p -r1.28 iostat.8
> --- iostat.8 17 Sep 2022 11:39:09 -0000 1.28
> +++ iostat.8 18 Sep 2022 16:05:52 -0000
> @@ -134,9 +134,9 @@ characters written to terminals
> .It disks
> Disk operations.
> The header of the field is the disk name and unit number.
> -If more than four disk drives are configured in the system,
> +By default,
> .Nm
> -displays only the first four drives.
> +displays all drives.
> To force
> .Nm
> to display specific drives, their names may be supplied on the command
> Index: iostat.c
> ===================================================================
> RCS file: /cvs/src/usr.sbin/iostat/iostat.c,v
> retrieving revision 1.44
> diff -u -p -r1.44 iostat.c
> --- iostat.c 12 Jul 2021 15:09:21 -0000 1.44
> +++ iostat.c 18 Sep 2022 16:05:52 -0000
> @@ -444,7 +444,7 @@ selectdrives(char *argv[])
>
> /* Pick up to 4 drives if none specified. */
> if (ndrives == 0)
> - for (i = 0; i < dk_ndrive && ndrives < 4; i++) {
> + for (i = 0; i < dk_ndrive ; i++) {
> if (cur.dk_select[i])
> continue;
> cur.dk_select[i] = 1;
