* etc/byobu/statusrc, usr/lib/byobu/disk_io, usr/lib/byobu/network,

usr/share/man/man1/byobu.1:
    ignore network traffic less than threshold, less busy status
  - add support for a disk threshold setting; set to 50kB/s by default,
    ignore disk traffic less than threshold, less busy status

debian/changelog

@@ -10,9 +10,12 @@ byobu (4.3) unreleased; urgency=low
     - fix the motd display at auto launch, which was broken recently
   * usr/lib/byobu/mem_available:
     - fix MB display bug
-  * etc/byobu/statusrc, usr/lib/byobu/network:
+  * etc/byobu/statusrc, usr/lib/byobu/disk_io, usr/lib/byobu/network,
+    usr/share/man/man1/byobu.1:
     - add support for a network threshold setting; set to 20kbps by default,
-      ignore network traffic less than 20kbps; less busy status
+      ignore network traffic less than threshold, less busy status
+    - add support for a disk threshold setting; set to 50kB/s by default,
+      ignore disk traffic less than threshold, less busy status
 
   [ Scott Moser ]
   * usr/lib/byobu/.shutil: fix rounding across a decimal point in fpdiv()

etc/byobu/statusrc

@@ -62,6 +62,7 @@ wifi_quality=1
 # Byobu will auto-detect them.
 #LOGO="\o/"
 #MONITORED_DISK=/
+#DISK_IO_THRESHOLD=50
 #MONITORED_INTERFACE=eth0
 #NETWORK_THRESHOLD=20
 #MONITORED_TEMP=/proc/acpi/thermal_zone/THM0/temperature

usr/lib/byobu/disk_io

@@ -29,7 +29,7 @@ getdisk() {
 		t="$1"
 	fi
 	t="${t##*/}";
-	rtrim "$t" "0-9"
+	[ -h "/sys/block/$t" ] && _RET="$t" || rtrim "$t" "0-9"
 }
 
 [ "$UTF8" = "1" ] && ICON_RD="◀" || ICON_RD="<"
@@ -38,6 +38,10 @@ getdisk() {
 # Default to disk providing /, but let users override with MONITORED_DISK
 [ -z "$MONITORED_DISK" ] && MP="/" ||  MP="$MONITORED_DISK"
 
+# By default, we won't bug the user with the display of network traffic
+# below DISK_IO_THRESHOLD in kB/s; override in $DATA/status
+[ -n "$DISK_IO_THRESHOLD" ] || DISK_IO_THRESHOLD=50
+
 if [ "$1" = "--detail" ]; then
 	if command -v iostat >/dev/null; then
 		iostat -d -m -h
@@ -74,7 +78,10 @@ for i in "read" "write"; do
 		fi
 		echo "$x2" > "$cache"
 		rate=$((($x2 - $x1) / ($t2 - $t1) * 512 / 1024))
-		if [ "$rate" -lt 0 ]; then
+		if [ $rate -lt $DISK_IO_THRESHOLD ]; then
+			# Below threshold, exit immediately!
+			exit 0
+		elif [ "$rate" -lt 0 ]; then
 			rate=0
 		elif [ "$rate" -gt 1048576 ]; then
 			unit="GB/s"

usr/lib/byobu/network

@@ -61,12 +61,16 @@ for i in up down; do
 			fi
 		done < /proc/net/dev
 		echo "$x2" > "$cache"
-		rate=$((($x2 - $x1) / ($t2 - $t1) / 1024))
+		rate=$(8 * (($x2 - $x1) / ($t2 - $t1) / 1024))  # in kbps
-		if [ "$rate" -lt 0 ]; then
+		[ "$rate" -lt 0 ] && rate=0
-			rate=0
+		fi
+		if [ $rate -lt $NETWORK_THRESHOLD ];
+			# Below threshold, exit immediately!
+			exit 0
 		fi
 		case "$NETWORK_UNITS" in
 			bytes)
+				rate=$(($rate/8))
 				if [ "$rate" -gt 1048576 ]; then
 					fpdiv "$rate" 1048576 1
 					rate=${_RET}
@@ -81,7 +85,6 @@ for i in up down; do
 			;;
 			*)
 				# Default to bps
-				rate=$(($rate*8))
 				# Why 1000 and not 1024?  http://en.wikipedia.org/wiki/Data_rate_units
 				if [ "$rate" -gt 1000000 ]; then
 					fpdiv "$rate" 1000000 1
@@ -95,7 +98,7 @@ for i in up down; do
 			;;
 		esac
 	fi
-	if [ "$rate" -gt $NETWORK_THRESHOLD ]; then
+	if [ "$rate" -gt 0 ]; then
 		color b m w; printf "%s%s" "$symbol" "$rate"; color -; color m w; printf "%s" "$unit"; color --
 	fi
 done

usr/share/man/man1/byobu.1

@@ -37,7 +37,7 @@ Note that DATA=\fI$HOME/.byobu\fP.
 
 \fBdisk\fP \- total disk space available and total used on / directory; displayed in the lower bar on the far right in white text on a light purple background; override the default directory by specifying an alternate mount point with MONITORED_DISK=/wherever in \fI$DATA/statusrc\fP
 
-\fBdisk_io\fP \- instantaneous read/write througput in kB/s or MB/s over the last 3 seconds; displayed in the lower bar toward the right in white text on a light purple background with a leading '<' sign indicating 'read speed' and '>' sign indicating 'write speed'; override the default monitored disk by specifying an alternate device with MONITORED_DISK=/dev/sdb in \fI$DATA/statusrc\fP
+\fBdisk_io\fP \- instantaneous read/write througput in kB/s or MB/s over the last 3 seconds; displayed in the lower bar toward the right in white text on a light purple background with a leading '<' sign indicating 'read speed' and '>' sign indicating 'write speed'; override the default monitored disk by specifying an alternate device with MONITORED_DISK=/dev/sdb, and override the default DISK_IO_THRESHOLD=50 (kB/s) in \fI$DATA/statusrc\fP
 
 \fBec2_cost\fP \- an estimation of the cost of the current boot of the system in terms of the Amazon EC2 billing model; displayed in the lower bar toward the right in green text on a black background; there is a leading '~' to indicate that this is an estimation, and the monetary units are US Dollars '$'
 
@@ -63,7 +63,7 @@ Note that DATA=\fI$HOME/.byobu\fP.
 
 \fBmenu\fP \- a simple indicator directing new users to use the F9 keybinding to access the byobu menu
 
-\fBnetwork\fP \- instantaneous upload/download bandwidth in [GMk]bps over the last 3 seconds; nothing is displayed if traffic is 0; displayed in the lower bar toward the left in white text on a purple background with a leading '^' sign indicating 'up' and 'v' sign indicating 'down'; override the default interface by specifying an alternate interface with MONITORED_NETWORK=eth1, and override the default units (bits) with NETWORK_UNITS=bytes in \fI$DATA/statusrc\fP
+\fBnetwork\fP \- instantaneous upload/download bandwidth in [GMk]bps over the last 3 seconds; nothing is displayed if traffic is 0; displayed in the lower bar toward the left in white text on a purple background with a leading '^' sign indicating 'up' and 'v' sign indicating 'down'; override the default interface by specifying an alternate interface with MONITORED_NETWORK=eth1, and override the default units (bits) with NETWORK_UNITS=bytes, and override the default NETWORK_THRESHOLD=20 (kbps) in \fI$DATA/statusrc\fP
 
 \fBnotify_osd\fP \- Send on-screen notification messages to screen's notification buffer