mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
89 lines
3.5 KiB
Bash
Executable File
89 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -eu
|
|
root_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null && pwd)"
|
|
generate_checkpoints=true
|
|
while getopts "C" OPT; do
|
|
case "$OPT" in
|
|
C)
|
|
generate_checkpoints=false
|
|
;;
|
|
?)
|
|
exit 2;
|
|
;;
|
|
esac
|
|
done
|
|
shift "$(($OPTIND - 1))"
|
|
common_opts="--emulator gem5 $@"
|
|
|
|
# Vars
|
|
cmd="./run ${common_opts}"
|
|
cache_small='--caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 '
|
|
cache_large='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'
|
|
results_file="$(${root_dir}/getvar ${common_opts} run_dir)/bench-cache.txt"
|
|
|
|
bench() (
|
|
"${root_dir}/bench-cmd" "$1"
|
|
{
|
|
printf 'cycles '
|
|
./gem5-stat ${common_opts}
|
|
printf 'instructions '
|
|
./gem5-stat ${common_opts} sim_insts
|
|
# RESTORE_INVESTIGATION
|
|
#cycles_switch="$(./gem5-stat ${common_opts} system.switch_cpus.numCycles)"
|
|
#if [ -n "$cycles_switch" ]; then
|
|
# printf "cycles_switch ${cycles_switch}\n"
|
|
#fi
|
|
printf "\n"
|
|
} >> "$results_file"
|
|
)
|
|
|
|
bench-all() (
|
|
bench "${cmd} --gem5-readfile \"$1\" --gem5-restore 1 -- ${cache_small} --cpu-type=HPI --restore-with-cpu=HPI"
|
|
bench "${cmd} --gem5-readfile \"$1\" --gem5-restore 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} --gem5-readfile '$1' --gem5-restore 1"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 1 -- ${cache_small}"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 1 -- ${cache_large}"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 2 -- ${cache_small}"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 3 -- ${cache_large}"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 4 -- ${cache_small} --cpu-type=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 5 -- ${cache_large} --cpu-type=HPI"
|
|
## Restore from At-- omicSimpleCPU to HPI.
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 2 -- ${cache_small} --cpu-type=HPI --restore-with-cpu=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 3 -- ${cache_large} --cpu-type=HPI --restore-with-cpu=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 2 -- ${cache_small} --restore-with-cpu=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 3 -- ${cache_large} --restore-with-cpu=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 2 -- ${cache_small} --cpu-type=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 3 -- ${cache_large} --cpu-type=HPI"
|
|
## Restore HPI with different cache sizes and see if it is used.
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 4 -- ${cache_large} --cpu-type=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 5 -- ${cache_small} --cpu-type=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 2 -- ${cache_large} --cpu-type=HPI"
|
|
#bench "${cmd} --gem5-readfile '$1' --gem5-restore 3 -- ${cache_small} --cpu-type=HPI"
|
|
)
|
|
|
|
|
|
if "$generate_checkpoints"; then
|
|
# Create the checkpoints after the kernel boot.
|
|
cpt_cmd="--eval './gem5.sh'"
|
|
# RESTORE_INVESTIGATION
|
|
## 5
|
|
#./eeval "$cmd $cpt_cmd -- $cache_large --cpu-type=HPI"
|
|
## 4
|
|
#./eeval "$cmd $cpt_cmd -- $cache_small --cpu-type=HPI"
|
|
## 3
|
|
#./eeval "$cmd $cpt_cmd -- $cache_large"
|
|
## 2
|
|
#./eeval "$cmd $cpt_cmd -- $cache_small"
|
|
# 1
|
|
./eeval "$cmd $cpt_cmd"
|
|
fi
|
|
|
|
# Restore and run benchmarks.
|
|
rm -f "$results_file"
|
|
for n in 1000 10000 100000; do
|
|
bench-all "dhrystone ${n}"
|
|
done
|