From 7c030a594bd669588e8224fe3aa1eb9dc19d18f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Czy=C5=BC?= <mike@c2yz.com>
Date: Tue, 7 Jan 2025 11:48:48 +0100
Subject: [PATCH] fix: fixed cpu utilization

---
 home-manager/dwm/bar.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/home-manager/dwm/bar.sh b/home-manager/dwm/bar.sh
index 3e18e02..35721df 100755
--- a/home-manager/dwm/bar.sh
+++ b/home-manager/dwm/bar.sh
@@ -22,8 +22,10 @@ HIGHLIGHT_HIGH=#524f67
 
 # Function to get CPU usage
 get_cpu_usage() {
-    cpu_usage=$(grep 'cpu ' /proc/stat | awk '{usage=($2+$4)*100/($2+$4+$5)} END {printf "%.0f%%\n", usage}')
-    echo "^c$FOAM^CPU: $cpu_usage"
+    cpu_usage=$(awk '{u=$2+$4; t=$2+$4+$5; if (NR==1){u1=u; t1=t;} else print int(($2+$4-u1) * 100 / (t-t1)); }' \
+    <(grep 'cpu ' /proc/stat) <(sleep 1; grep 'cpu ' /proc/stat))
+    
+    echo "^c$FOAM^CPU: $cpu_usage%"
 }
 
 # Function to get memory usage