mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
1721f184d6
Otherwise, checking out branches is too insane, as it does not update the worktrees, even though the gem5/gem5 module was updated. gem5: expose build types, document debug builds. simultaneous runs: store stdout and stderr on a file to allow running all from a single terminal on the background cleanly.
98 lines
3.0 KiB
Bash
Executable File
98 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -eu
|
|
. common
|
|
generate_checkpoints=true
|
|
while getopts a:C OPT; do
|
|
case "$OPT" in
|
|
a)
|
|
arch="$OPTARG"
|
|
;;
|
|
C)
|
|
generate_checkpoints=false
|
|
;;
|
|
esac
|
|
done
|
|
shift "$(($OPTIND - 1))"
|
|
|
|
# Vars
|
|
set_common_vars "$arch" true
|
|
cmd="./run -a $arch -g"
|
|
cache_small='--caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 '
|
|
cache_large='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'
|
|
results_file="${common_gem5_run_dir}/bench-cache.txt"
|
|
|
|
bench() (
|
|
common_bench_cmd "$1" "$results_file"
|
|
{
|
|
printf 'cycles '
|
|
./gem5-stat -a "$arch"
|
|
printf 'instructions '
|
|
./gem5-stat -a "$arch" sim_insts
|
|
# RESTORE_INVESTIGATION
|
|
#cycles_switch="$(./gem5-stat -a "$arch" system.switch_cpus.numCycles)"
|
|
#if [ -n "$cycles_switch" ]; then
|
|
# printf "cycles_switch ${cycles_switch}\n"
|
|
#fi
|
|
} >> "$results_file"
|
|
)
|
|
|
|
bench-all() (
|
|
bench "${cmd} -- -r 1 ${cache_small} --cpu-type=HPI --restore-with-cpu=HPI"
|
|
bench "${cmd} -- -r 1 ${cache_large} --cpu-type=HPI --restore-with-cpu=HPI"
|
|
# RESTORE_INVESTIGATION
|
|
# These were mostly to investigate what happens on restore:
|
|
# https://stackoverflow.com/questions/49011096/how-to-switch-cpu-models-in-gem5-after-restoring-a-checkpoint-and-then-observe-t
|
|
#bench "$cmd -- -r 1"
|
|
#bench "$cmd -- -r 1 $cache_small"
|
|
#bench "$cmd -- -r 1 $cache_large"
|
|
#bench "$cmd -- -r 2 $cache_small"
|
|
#bench "$cmd -- -r 3 $cache_large"
|
|
#bench "$cmd -- -r 4 $cache_small --cpu-type=HPI"
|
|
#bench "$cmd -- -r 5 $cache_large --cpu-type=HPI"
|
|
## Restore from AtomicSimpleCPU to HPI.
|
|
#bench "$cmd -- -r 2 $cache_small --cpu-type=HPI --restore-with-cpu=HPI"
|
|
#bench "$cmd -- -r 3 $cache_large --cpu-type=HPI --restore-with-cpu=HPI"
|
|
#bench "$cmd -- -r 2 $cache_small --restore-with-cpu=HPI"
|
|
#bench "$cmd -- -r 3 $cache_large --restore-with-cpu=HPI"
|
|
#bench "$cmd -- -r 2 $cache_small --cpu-type=HPI"
|
|
#bench "$cmd -- -r 3 $cache_large --cpu-type=HPI"
|
|
## Restore HPI with different cache sizes and see if it is used.
|
|
#bench "$cmd -- -r 4 $cache_large --cpu-type=HPI"
|
|
#bench "$cmd -- -r 5 $cache_small --cpu-type=HPI"
|
|
#bench "$cmd -- -r 2 $cache_large --cpu-type=HPI"
|
|
#bench "$cmd -- -r 3 $cache_small --cpu-type=HPI"
|
|
)
|
|
|
|
|
|
if "$generate_checkpoints"; then
|
|
# Create the checkpoints after the kernel boot.
|
|
rm -rf "${common_m5out_dir}"/cpt.*;
|
|
printf 'm5 exit' > "${readfile_file}"
|
|
cpt_cmd="-E '/gem5.sh'"
|
|
# 1
|
|
./eeval "$cmd $cpt_cmd"
|
|
# RESTORE_INVESTIGATION
|
|
## 2
|
|
#./eeval "$cmd $cpt_cmd -- $cache_small"
|
|
## 3
|
|
#./eeval "$cmd $cpt_cmd -- $cache_large"
|
|
## 4
|
|
#./eeval "$cmd $cpt_cmd -- $cache_small --cpu-type=HPI"
|
|
## 5
|
|
#./eeval "$cmd $cpt_cmd -- $cache_large --cpu-type=HPI"
|
|
fi
|
|
|
|
# Restore and run benchmarks.
|
|
rm -f "$results_file"
|
|
printf '#!/bin/sh
|
|
m5 resetstats
|
|
dhrystone XXX
|
|
m5 exit
|
|
' >"${readfile_file}"
|
|
for n in 1000 10000 100000; do
|
|
printf "n ${n}\n" >> "$results_file"
|
|
sed -Ei "s/^dhrystone .*/dhrystone ${n}/" "${readfile_file}"
|
|
bench-all
|
|
printf "\n" >> "$results_file"
|
|
done
|