mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-30 07:34:12 +08:00
828f369d76
"git diff" says:
\ No newline at end of file
after modifying the files.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
89 lines
3.4 KiB
Bash
89 lines
3.4 KiB
Bash
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
|
|
# Author/Copyright(c): 2009, Thomas Renninger <trenn@suse.de>, Novell Inc.
|
|
|
|
# Ondemand up_threshold and sampling rate test script for cpufreq-bench
|
|
# mircobenchmark.
|
|
# Modify the general variables at the top or extend or copy out parts
|
|
# if you want to test other things
|
|
#
|
|
|
|
# Default with latest kernels is 95, before micro account patches
|
|
# it was 80, cmp. with git commit 808009131046b62ac434dbc796
|
|
UP_THRESHOLD="60 80 95"
|
|
# Depending on the kernel and the HW sampling rate could be restricted
|
|
# and cannot be set that low...
|
|
# E.g. before git commit cef9615a853ebc4972084f7 one could only set
|
|
# min sampling rate of 80000 if CONFIG_HZ=250
|
|
SAMPLING_RATE="20000 80000"
|
|
|
|
function measure()
|
|
{
|
|
local -i up_threshold_set
|
|
local -i sampling_rate_set
|
|
|
|
for up_threshold in $UP_THRESHOLD;do
|
|
for sampling_rate in $SAMPLING_RATE;do
|
|
# Set values in sysfs
|
|
echo $up_threshold >/sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold
|
|
echo $sampling_rate >/sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate
|
|
up_threshold_set=$(cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold)
|
|
sampling_rate_set=$(cat /sys/devices/system/cpu/cpu0/cpufreq/ondemand/sampling_rate)
|
|
|
|
# Verify set values in sysfs
|
|
if [ ${up_threshold_set} -eq ${up_threshold} ];then
|
|
echo "up_threshold: $up_threshold, set in sysfs: ${up_threshold_set}"
|
|
else
|
|
echo "WARNING: Tried to set up_threshold: $up_threshold, set in sysfs: ${up_threshold_set}"
|
|
fi
|
|
if [ ${sampling_rate_set} -eq ${sampling_rate} ];then
|
|
echo "sampling_rate: $sampling_rate, set in sysfs: ${sampling_rate_set}"
|
|
else
|
|
echo "WARNING: Tried to set sampling_rate: $sampling_rate, set in sysfs: ${sampling_rate_set}"
|
|
fi
|
|
|
|
# Benchmark
|
|
cpufreq-bench -o /var/log/cpufreq-bench/up_threshold_${up_threshold}_sampling_rate_${sampling_rate}
|
|
done
|
|
done
|
|
}
|
|
|
|
function create_plots()
|
|
{
|
|
local command
|
|
|
|
for up_threshold in $UP_THRESHOLD;do
|
|
command="cpufreq-bench_plot.sh -o \"sampling_rate_${SAMPLING_RATE}_up_threshold_${up_threshold}\" -t \"Ondemand sampling_rate: ${SAMPLING_RATE} comparison - Up_threshold: $up_threshold %\""
|
|
for sampling_rate in $SAMPLING_RATE;do
|
|
command="${command} /var/log/cpufreq-bench/up_threshold_${up_threshold}_sampling_rate_${sampling_rate}/* \"sampling_rate = $sampling_rate\""
|
|
done
|
|
echo $command
|
|
eval "$command"
|
|
echo
|
|
done
|
|
|
|
for sampling_rate in $SAMPLING_RATE;do
|
|
command="cpufreq-bench_plot.sh -o \"up_threshold_${UP_THRESHOLD}_sampling_rate_${sampling_rate}\" -t \"Ondemand up_threshold: ${UP_THRESHOLD} % comparison - sampling_rate: $sampling_rate\""
|
|
for up_threshold in $UP_THRESHOLD;do
|
|
command="${command} /var/log/cpufreq-bench/up_threshold_${up_threshold}_sampling_rate_${sampling_rate}/* \"up_threshold = $up_threshold\""
|
|
done
|
|
echo $command
|
|
eval "$command"
|
|
echo
|
|
done
|
|
|
|
command="cpufreq-bench_plot.sh -o \"up_threshold_${UP_THRESHOLD}_sampling_rate_${SAMPLING_RATE}\" -t \"Ondemand up_threshold: ${UP_THRESHOLD} and sampling_rate ${SAMPLING_RATE} comparison\""
|
|
for sampling_rate in $SAMPLING_RATE;do
|
|
for up_threshold in $UP_THRESHOLD;do
|
|
command="${command} /var/log/cpufreq-bench/up_threshold_${up_threshold}_sampling_rate_${sampling_rate}/* \"up_threshold = $up_threshold - sampling_rate = $sampling_rate\""
|
|
done
|
|
done
|
|
echo "$command"
|
|
eval "$command"
|
|
}
|
|
|
|
measure
|
|
create_plots
|