function bind_numa_node {
  if [ -z "$NESTED_BASH" ]; then
    NUMACTL_NODE=$1 NESTED_BASH=1 numactl -N $1 -m $1 bash
  fi
}

default_numa_node=0
# Login without promt. If a promt shall be required, remove the following two lines.
bind_numa_node $default_numa_node
skip_prompt=1

if [ -z "$NUMACTL_NODE" ] && [ -z "$skip_prompt"]; then
  target_numa_node=""
  # TODO(anyone) add script support for multiple nodes
  echo "Enter NUMA node index (default: $default_numa_node):"
  while [ -z "$target_numa_node" ]; do
    read input
    case $input in
      "") # enter as input
        echo "using default node"
        target_numa_node=$default_numa_node;;
      *[!0-9]*) # non-numeric input
        echo "Please enter an unsigned numeric node index.";;
      *) # numeric input
        node_size=$(numactl --hardware | grep available | cut -c12-12)
        if [ $input -lt $node_size ]; then
          target_numa_node=$input
        else
          echo "The entered node index exceeds the maximum index. $node_size nodes are available."
        fi;;
    esac
  done
  bind_numa_node $target_numa_node
else
  numactl -s
fi

function set_iterm_badge {
  printf "\e]1337;SetBadgeFormat=%s\a" $(echo -n "Node(s): $NUMACTL_NODE" | base64)
}
export PROMPT_COMMAND="set_iterm_badge; $PROMPT_COMMAND"

for pid in $(ps -a -o pid=); do cmdline=$(tr '\0' ' ' < /proc/$pid/cmdline 2>/dev/null); if [ "$cmdline" = "" ] || [ "$cmdline" = "zsh " ] || [ "$cmdline" = "bash " ]; then continue; fi; getent passwd $(tr '\0' ' ' < /proc/$pid/loginuid) | cut -d: -f1; echo $cmdline; taskset -pc $pid 2>/dev/null; echo; done