#!/usr/bin/env bash
set -eu
. "$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/common"
while getopts a:hs: OPT; do
  case "$OPT" in
    a)
      arch="$OPTARG"
      ;;
    h)
      printf "\
usage: $0 [-a arch] [stat=system.cpu.numCycles]
Get the value for a gem5 stat from the stats.txt file.
" 1>&2
      exit
      ;;
  esac
done
shift "$(($OPTIND - 1))"
if [ $# -gt 0 ]; then
  stat="$1"
else
  stat=system.cpu[0-9]*.numCycles
fi
set_common_vars "$arch" true
awk "/^$stat /{ print \$2 }" "${common_m5out_dir}/stats.txt"