HT warning

enable-HT.sh

@@ -1,10 +1,9 @@
 #!/usr/bin/env bash
 
 if [ "$EUID" -ne 0 ]; then
-    echo "This script must be run as root" 1>&2
+    echo "This script must be run as root" >&2
+    echo "Try \"sudo ./enable-HT.sh\"" >&2
     exit 1
 fi
 
-for cpu in /sys/devices/system/cpu/cpu[1-9]*; do
-    echo 1 > "$cpu/online"
-done
+echo on > /sys/devices/system/cpu/smt/control