Store disabled CPUs

We will use those later for a report and to not duplicate the method of disabling.

Author: vmcj

provision-contest/disable-turboboost_ht

@@ -4,6 +4,13 @@ set -eu -o pipefail
 shopt -s extglob
 
 declare -A core_ids
+declare -a disabled_cores
+
+disable_cpu () {
+  cpu="$1"
+  echo 0 > $cpu/online
+  disabled_cores+=("${cpu##*/}")
+}
 
 # shellcheck disable=SC2012
 for cpu in $(ls -1d /sys/devices/system/cpu/cpu* | sort --version-sort) ; do
@@ -41,7 +48,7 @@ for cpu in $(ls -1d /sys/devices/system/cpu/cpu* | sort --version-sort) ; do
     # 'delimiter'.
     core_id=$(cat $cpu/topology/core_id | tr -d '\n')'-'$(cat $cpu/topology/physical_package_id | tr -d '\n')
     if [[ ${core_ids[$core_id]:-} ]]; then
-        echo 0 > $cpu/online
+        disable_cpu $cpu
     else
         core_ids[$core_id]=1
     fi