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#!/bin/sh
set -eu
online_governors() {
FOUND=""
for cpu in "/sys/devices/system/cpu/cpu"[0-9]* ; do
if grep -vq '^1$' "$cpu/online" 2>/dev/null; then
continue
fi
if [ ! -e "$cpu/cpufreq" ]; then
continue
fi
cat "$cpu/cpufreq/scaling_governor"
FOUND=1
done
if [ -z "$FOUND" ]; then
echo "nocpufreq_support"
fi
}
printf "$(hostname)"
printf -
grep -q '[^0-9]' /sys/devices/system/cpu/cpu[0-9]*/topology/thread_siblings_list && printf ht || printf noht
printf -
if [ -f /sys/devices/system/cpu/intel_pstate/no_turbo ]; then
grep -q 1 /sys/devices/system/cpu/intel_pstate/no_turbo && printf notb || printf tb
else
printf notb_support
fi
printf -
if [ -f /sys/class/power_supply/AC/online ]; then
grep -q 1 /sys/class/power_supply/AC/online && printf ac || printf noac
else
printf nops
fi
printf -
printf "$(echo -n "$(online_governors | uniq)" | tr '\n' '_')"
printf -
printf "$(gcc -march=native -Q --help=target|grep march | cut -d= -f2 | grep -ow '\S*')"
printf '\n'
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