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dwmbar/modules/cpuload

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+# Prints out the CPU load percentage
+
+PREFIX=' '
+
+get_load()
+{
+  # Get the first line with aggregate of all CPUs
+  cpu_last=($(head -n1 /proc/stat))
+  cpu_last_sum="${cpu_last[@]:1}"
+  cpu_last_sum=$((${cpu_last_sum// /+}))
+
+  sleep 0.05
+
+  cpu_now=($(head -n1 /proc/stat))
+  cpu_sum="${cpu_now[@]:1}"
+  cpu_sum=$((${cpu_sum// /+}))
+
+  cpu_delta=$((cpu_sum - cpu_last_sum))
+  cpu_idle=$((cpu_now[4]- cpu_last[4]))
+  cpu_used=$((cpu_delta - cpu_idle))
+  cpu_usage=$((100 * cpu_used / cpu_delta))
+
+  # Keep this as last for our next read
+  cpu_last=("${cpu_now[@]}")
+  cpu_last_sum=$cpu_sum
+
+  echo "$PREFIX $cpu_usage%"
+}
+
+get_load