[status] feat: add sb-cpu

.local/bin/statusbar/sb-cpu

@@ -0,0 +1,37 @@
+#!/usr/bin/env sh
+
+# Module showing CPU load as a changing bars.
+# Just like in polybar.
+# Each bar represents amount of load on one core since
+# last run.
+
+# Cache in tmpfs to improve speed and reduce SSD load
+cache=/tmp/cpubarscache
+
+# id total idle
+stats=$(awk '/cpu[0-9]+/ {printf "%d %d %d\n", substr($1,4), ($2 + $3 + $4 + $5), $5 }' /proc/stat)
+[ ! -f $cache ] && echo "$stats" > "$cache"
+old=$(cat "$cache")
+printf " %s " " "
+echo "$stats" | while read -r row; do
+	id=${row%% *}
+	rest=${row#* }
+	total=${rest%% *}
+	idle=${rest##* }
+
+	case "$(echo "$old" | awk '{if ($1 == id)
+		printf "%d\n", (1 - (idle - $3)  / (total - $2))*100 /12.5}' \
+		id="$id" total="$total" idle="$idle")" in
+
+		"0") printf "▁";;
+		"1") printf "▂";;
+		"2") printf "▃";;
+		"3") printf "▄";;
+		"4") printf "▅";;
+		"5") printf "▆";;
+		"6") printf "▇";;
+		"7") printf "█";;
+		"8") printf "█";;
+	esac
+done; printf " \\n"
+echo "$stats" > "$cache"

.local/src/dwmblocks

@@ -1 +1 @@
-Subproject commit b78f4dc620d0ab9eb6e70eace07263b2c1f9a66c
+Subproject commit 5c9090ae551a08e13201b92d63bcff8110264f23