linux-kernel-module-cheat/bench-boot

#!/usr/bin/env bash
set -eu
. common
results_file="${out_dir}/bench-boot.txt"
bench() (
  printf 'cmd ' >> "$results_file"
  env time --append -f 'time %e' --output="$results_file" ./eeval "./run -a $1" "$results_file"
)
insts() (
  { printf 'instructions '; ./gem5-stat -a "$1" sim_insts; } >> "$results_file"
)
rm -f "${results_file}"

arch=arm
# Manual Ctrl+C required.
#bench "$arch -E '/poweroff.out'"
bench "$arch -E 'm5 exit' -g"
insts "$arch"
# TODO takes more than 1 hours to finish. Why so long?
#bench "$arch -E 'm5 exit' -g -- --caches --cpu-type=HPI"
#insts "$arch"

arch=aarch64
bench "$arch -E '/poweroff.out'"
bench "$arch -E 'm5 exit' -g"
insts "$arch"
bench "$arch -E 'm5 exit' -g -- --caches --cpu-type=HPI"
insts "$arch"

arch=x86_64
bench "$arch -E '/poweroff.out'"
bench "$arch -E '/poweroff.out' -- -enable-kvm"
bench "$arch -E 'm5 exit' -g"
insts "$arch"