1 files changed, 30 insertions, 0 deletions
diff --git a/local/bin/sb-cpuusage b/local/bin/sb-cpuusage
new file mode 100755
index 0000000..c05576b
--- /dev/null
+++ b/local/bin/sb-cpuusage
@@ -0,0 +1,30 @@
+#!/bin/sh
+#Display CPU usage percentage
+
+_openbsd() {
+	CPUS=$(sysctl | grep 'hw.ncpuonline' | sed 's/^.*=//')
+	TOTALUSAGE=$(ps aux | awk '{print $3}' | sed '1d' | sort | paste -s -d+ - | bc)
+	USAGE=$(printf "$TOTALUSAGE / $CPUS\n" | bc -l)
+	printf "$USAGE" | grep "^\.[0-9]" > /dev/null && printf "0$(printf $USAGE | cut -c1-3)%%" || printf "$(printf "$USAGE" | cut -c1-4)%%\n"
+}
+
+_freebsd() {
+	CPUS="$(sysctl hw.ncpu | sed 's/^.*: //')"
+	FREE=$(ps -o %cpu -p $(pgrep -S idle) | tail -n 1)
+	TPP=$(expr $CPUS \* 100)
+	TOTALUSAGE=$(printf "$TPP - $FREE" | bc -l)
+	USAGE=$(printf "$TOTALUSAGE / $CPUS" | bc -l | cut -c -4)
+	printf "$USAGE" | egrep "\.[0-9]{3}" > /dev/null && printf "0$(printf $USAGE | cut -c -3)%%\n" || printf -- "$USAGE%%\n"
+}
+
+_linux() {
+	TOTALUSAGE="$(ps axch -o cmd,%cpu --sort=-%cpu | sed 's/ //' | grep -E -o " [0-9].*" | sed 's/ //' | paste -s -d+ - | bc)"
+	USAGE="$(printf "$(printf "$TOTALUSAGE / $(nproc)\n" | bc -l | cut -c1-4)%%\n")"
+	printf -- "$USAGE%" | grep "^\.[0-9]" > /dev/null && printf -- "0$(printf -- $USAGE% | cut -c1-3)%%" || printf -- "$(printf -- "$USAGE%" | cut -c1-4)%%\n"
+}
+
+case $(uname) in
+	Linux) _linux ;;
+	OpenBSD) _openbsd  ;;
+	FreeBSD) _freebsd ;;
+esac