diff --git a/rootdir/etc/init/hw/init.mt6789.rc b/rootdir/etc/init/hw/init.mt6789.rc
index ab66c6e..5e9fca4 100644
--- a/rootdir/etc/init/hw/init.mt6789.rc
+++ b/rootdir/etc/init/hw/init.mt6789.rc
@@ -1112,4 +1112,16 @@ service vendor.charger /system/bin/charger
     file /dev/kmsg w
     file /sys/fs/pstore/console-ramoops-0 r
     file /sys/fs/pstore/console-ramoops r
-    file /proc/last_kmsg r
\ No newline at end of file
+    file /proc/last_kmsg r
+
+on property:sys.boot_completed=1
+# Setup cpu.shares to throttle background groups (bg ~ 5% sysbg ~ 10%)
+    write /dev/cpuctl/background/cpu.shares 1024
+    write /dev/cpuctl/system-background/cpu.shares 2048
+    write /dev/cpuctl/system/cpu.shares 20480
+    # We only have system and background groups holding tasks and the groups below are empty
+    write /dev/cpuctl/camera-daemon/cpu.shares 20480
+    write /dev/cpuctl/foreground/cpu.shares 20480
+    write /dev/cpuctl/nnapi-hal/cpu.shares 20480
+    write /dev/cpuctl/rt/cpu.shares 20480
+    write /dev/cpuctl/top-app/cpu.shares 20480