mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-13 20:12:26 +00:00
97 lines
3.0 KiB
Bash
Executable File
97 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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. common
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generate_checkpoints=true
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while getopts a:C OPT; do
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case "$OPT" in
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a)
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arch="$OPTARG"
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;;
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C)
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generate_checkpoints=false
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;;
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esac
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done
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shift "$(($OPTIND - 1))"
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# Vars
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set_common_vars "$arch" true
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cmd="./run -a $arch -g"
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cache_small='--caches --l2cache --l1d_size=1024 --l1i_size=1024 --l2_size=1024 --l3_size=1024 '
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cache_large='--caches --l2cache --l1d_size=1024kB --l1i_size=1024kB --l2_size=1024kB --l3_size=1024kB'
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result_file="${gem5_out_dir}/bench-cache.txt"
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bench() (
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cmd="$1"
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printf 'cmd ' >> "$result_file"
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eeval "$cmd" "$result_file"
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{
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printf 'cycles '
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./gem5-stat -a "$arch"
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# RESTORE_INVESTIGATION
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#cycles_switch="$(./gem5-stat -a "$arch" system.switch_cpus.numCycles)"
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#if [ -n "$cycles_switch" ]; then
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# printf "cycles_switch ${cycles_switch}\n"
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#fi
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} >> "$result_file"
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)
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bench-all() (
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bench "${cmd} -- -r 1 ${cache_small} --cpu-type=HPI --restore-with-cpu=HPI"
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bench "${cmd} -- -r 1 ${cache_large} --cpu-type=HPI --restore-with-cpu=HPI"
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# RESTORE_INVESTIGATION
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# These were mostly to investigate what happens on restore:
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# https://stackoverflow.com/questions/49011096/how-to-switch-cpu-models-in-gem5-after-restoring-a-checkpoint-and-then-observe-t
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#bench "$cmd -- -r 1"
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#bench "$cmd -- -r 1 $cache_small"
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#bench "$cmd -- -r 1 $cache_large"
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#bench "$cmd -- -r 2 $cache_small"
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#bench "$cmd -- -r 3 $cache_large"
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#bench "$cmd -- -r 4 $cache_small --cpu-type=HPI"
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#bench "$cmd -- -r 5 $cache_large --cpu-type=HPI"
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## Restore from AtomicSimpleCPU to HPI.
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#bench "$cmd -- -r 2 $cache_small --cpu-type=HPI --restore-with-cpu=HPI"
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#bench "$cmd -- -r 3 $cache_large --cpu-type=HPI --restore-with-cpu=HPI"
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#bench "$cmd -- -r 2 $cache_small --restore-with-cpu=HPI"
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#bench "$cmd -- -r 3 $cache_large --restore-with-cpu=HPI"
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#bench "$cmd -- -r 2 $cache_small --cpu-type=HPI"
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#bench "$cmd -- -r 3 $cache_large --cpu-type=HPI"
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## Restore HPI with different cache sizes and see if it is used.
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#bench "$cmd -- -r 4 $cache_large --cpu-type=HPI"
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#bench "$cmd -- -r 5 $cache_small --cpu-type=HPI"
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#bench "$cmd -- -r 2 $cache_large --cpu-type=HPI"
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#bench "$cmd -- -r 3 $cache_small --cpu-type=HPI"
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)
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if "$generate_checkpoints"; then
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# Create the checkpoints after the kernel boot.
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rm -rf "${m5out_dir}/cpt.*";
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printf 'm5 exit' >readfile.gitignore
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cpt_cmd="-E 'm5 checkpoint;m5 readfile > a.sh;sh a.sh'"
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# 1
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eeval "$cmd $cpt_cmd"
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# RESTORE_INVESTIGATION
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## 2
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#eeval "$cmd $cpt_cmd -- $cache_small"
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## 3
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#eeval "$cmd $cpt_cmd -- $cache_large"
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## 4
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#eeval "$cmd $cpt_cmd -- $cache_small --cpu-type=HPI"
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## 5
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#eeval "$cmd $cpt_cmd -- $cache_large --cpu-type=HPI"
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fi
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# Restore and run benchmarks.
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rm -f "$result_file"
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printf '#!/bin/sh
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m5 resetstats
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dhrystone XXX
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m5 exit
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' >readfile.gitignore
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for n in 1000 10000 100000; do
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printf "n ${n}\n" >> "$result_file"
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sed -Ei "s/^dhrystone .*/dhrystone ${n}/" readfile.gitignore
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bench-all
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done
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