linux-kernel-module-cheat/bench-boot

#!/usr/bin/env bash
set -eu
root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
test_size=1
while [ $# -gt 0 ]; do
  case "$1" in
    --size)
      # 1: a few seconds and important
      # 2: < 5 minutes and important or a few seconds and not too important
      # 3: all
      test_size="$2"
      shift 2
      ;;
  esac
done

if [ $# -gt 1 ]; then
  extra_args=" $*"
else
  extra_args=
fi
getvar="${root_dir}/getvar"
common_bench_boot="$("$getvar" bench_boot)"
caches='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'

bench() (
  "${root_dir}/bench-cmd" "./run --arch ${1}${extra_args}" "$common_bench_boot"
)

newline() (
  echo >> "$common_bench_boot"
)

gem5_insts() (
  printf "instructions $(./gem5-stat --arch "$1" sim_insts)\n" >> "$common_bench_boot"
  newline
)

qemu_insts() (
  common_arch="$1"
  ./qemu-trace2txt --arch "$common_arch"
  common_qemu_trace_txt_file="$("$getvar" --arch "$common_arch" qemu_trace_txt_file)"
  printf "instructions $(wc -l "${common_qemu_trace_txt_file}" | cut -d' ' -f1)\n" >> "$common_bench_boot"
  newline
)

rm -f "${common_bench_boot}"

arch=x86_64
bench "${arch} --eval '/poweroff.out'"
newline
bench "${arch} --eval '/poweroff.out' --kvm"
newline
if [ "$test_size" -ge 2 ]; then
  bench "${arch} --eval '/poweroff.out' --trace exec_tb"
  qemu_insts "$arch"
  bench "$arch --eval 'm5 exit' --gem5"
  gem5_insts "$arch"
fi
#bench "$arch --eval 'm5 exit' --gem5 -- --cpu-type=DerivO3CPU ${caches}"
#gem5_insts "$arch"

arch=arm
bench "$arch --eval '/poweroff.out'"
if [ "$test_size" -ge 2 ]; then
  bench "$arch --eval '/poweroff.out' --trace exec_tb"
  qemu_insts "$arch"
  bench "$arch --eval 'm5 exit' --gem5"
  gem5_insts "$arch"
fi
if [ "$test_size" -ge 3 ]; then
  bench "$arch --eval 'm5 exit' --gem5 -- --cpu-type=HPI ${caches}"
  gem5_insts "$arch"
  bench "$arch --eval 'm5 exit' --gem5 --gem5-script biglittle"
  gem5_insts "$arch"
fi

arch=aarch64
bench "$arch --eval '/poweroff.out'"
newline
if [ "$test_size" -ge 2 ]; then
  bench "$arch --eval '/poweroff.out' --trace exec_tb"
  qemu_insts "$arch"
  bench "$arch --eval 'm5 exit' --gem5"
  gem5_insts "$arch"
fi
if [ "$test_size" -ge 3 ]; then
  bench "$arch --eval 'm5 exit' --gem5 -- --cpu-type=HPI ${caches}"
  gem5_insts "$arch"
fi