A dhrystone benchmark script I made for finding out dhrystones per frequency, which can be used to find CPU capacities.

dhrybench.sh

#!/bin/sh

# User tunables
# Number of cores in the system
coreno=8

# Cores in the big cluster
bigcluster=4

# Cores in the little cluster
littlecluster=4

# Little cluster availiable frequencies
lcfreqs=(633600 902400 1113600 1401600 1536000 1747200 1843200)

# Big cluster availiable frequencies
bcfreqs=(1113600 1401600 1747200 1804800 1958400 2150400 2208000)

# Stop Android for accuracy and some services
function stopserv() {
	stop
	stop cameraserver
	stop audioserver
	stop bluetooth
	stop thermal-engine
	stop storaged
	stop keystore
	stop drmserver
	stop logcat
	stop mediaserver
	stop servicemanager
	stop qti
	stop time_daemon
	stop drmserver
	stop portbridge
	stop netmgrd
	stop xtra-daemon
	stop tombstoned
	stop therm_core
	stop wpa_supplicant
	stop sensors.qti
	stop perfprofd
	stop lowi-server
	stop imsqmidaemon
	stop thermalserviced
	stop rmt_storage
	stop pm-service
	stop healthd
	stop vold
	stop lmkd
	stop pd-mapper
	stop tftp_server
}

# Offline big cores
function offlinebig() {
        for i in $(seq $((coreno - bigcluster)) $((coreno - 1))); do 
		chmod 777 /sys/devices/system/cpu/cpu$i/online
		echo 0 > /sys/devices/system/cpu/cpu$i/online
	done
}

# Offline little cores
function offlinelittle() {
        for i in $(seq 0 $((littlecluster - 1))); do 
		chmod 777 /sys/devices/system/cpu/cpu$i/online
		echo 0 > /sys/devices/system/cpu/cpu$i/online
	done
}

# Online big cores
function onlinebig() {
        for i in $(seq $((coreno - bigcluster)) $((coreno - 1))); do
		chmod 777 /sys/devices/system/cpu/cpu$i/online
		echo 1 > /sys/devices/system/cpu/cpu$i/online
	done
}

# Online little cores
function onlinelittle() {
        for i in $(seq 0 $((littlecluster - 1))); do
		chmod 777 /sys/devices/system/cpu/cpu$i/online
		echo 1 > /sys/devices/system/cpu/cpu$i/online
	done
}

# Lock big cores to the passed through frequency
function lockbig() {
	for i in $(seq $((coreno - bigcluster)) $((coreno - 1))); do
		echo $1 > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq
		echo $1 > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_min_freq
	done
}

# Lock little cores to the passed through frequency
function locklittle () {
        for i in $(seq 0 $((littlecluster - 1))); do
		echo $1 > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq
		echo $1 > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_min_freq
	done
}

# Run dhrystone 3x - this assumes you have the binary in /data.
function rundhry() {
	for i in $(seq 0 2); do
		./dhrystone -l 100 | grep dhrystones
		sleep 1
	done
}

echo ""
echo ""
echo "dhrystones/frequency benchmark by @nysascape"
echo ""
echo ""
echo "Setting all cores online..."
onlinebig
onlinelittle

echo "Stopping Android and other processes..."
stopserv

echo "Setting big cores offline..."
echo ""
offlinebig 

# Test all little cluster frequencies
range=${#lcfreqs[@]}
for i in $(seq 0 $((range - 1))); do
	locklittle ${lcfreqs[$i]}
	freq=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq)
	echo "Testing little cluster @ $freq"
	rundhry
	echo ""
done

echo "Setting big cores online..."
echo ""
onlinebig
echo "Setting little cores offline..."
echo ""
offlinelittle

# Test all big cluster frequencies
range=${#bcfreqs[@]};
for i in $(seq 0 $((range - 1))); do 
	lockbig ${bcfreqs[$i]}
	freq=$(cat /sys/devices/system/cpu/cpu$((coreno - 1))/cpufreq/scaling_min_freq)
	echo "Testing big cluster @ $freq"
	rundhry
	echo ""
done

echo "Test done! Setting all cores back online and booting up..."
echo "NOTE: You will need to set your frequencies yourself!"
onlinelittle
onlinebig
reboot
echo "Made by @nysascape"