#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Special test cases reported by people
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# Testcase 1: Reported here: http://marc.info/?l=linux-pm&m=140618592709858&w=2
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# protect against multiple inclusion
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if [ $FILE_SPECIAL ]; then
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return 0
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else
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FILE_SPECIAL=DONE
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fi
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source cpu.sh
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source cpufreq.sh
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source governor.sh
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# Test 1
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# $1: policy
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__simple_lockdep()
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{
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# switch to ondemand
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__switch_governor $1 "ondemand"
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# cat ondemand files
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local ondir=$(find_gov_directory $1 "ondemand")
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if [ -z $ondir ]; then
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printf "${FUNCNAME[0]}Ondemand directory not created, quit"
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return
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fi
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cat $ondir/*
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# switch to conservative
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__switch_governor $1 "conservative"
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}
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simple_lockdep()
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{
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printf "** Test: Running ${FUNCNAME[0]} **\n"
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for_each_policy __simple_lockdep
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}
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# Test 2
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# $1: policy
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__concurrent_lockdep()
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{
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for i in `seq 0 100`; do
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__simple_lockdep $1
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done
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}
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concurrent_lockdep()
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{
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printf "** Test: Running ${FUNCNAME[0]} **\n"
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for_each_policy_concurrent __concurrent_lockdep
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}
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# Test 3
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quick_shuffle()
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{
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# this is called concurrently from governor_race
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for I in `seq 1000`
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do
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echo ondemand | sudo tee $CPUFREQROOT/policy*/scaling_governor &
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echo userspace | sudo tee $CPUFREQROOT/policy*/scaling_governor &
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done
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}
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governor_race()
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{
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printf "** Test: Running ${FUNCNAME[0]} **\n"
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# run 8 concurrent instances
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for I in `seq 8`
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do
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quick_shuffle &
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done
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}
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# Test 4
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# $1: cpu
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hotplug_with_updates_cpu()
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{
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local filepath="$CPUROOT/$1/cpufreq"
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# switch to ondemand
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__switch_governor_for_cpu $1 "ondemand"
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for i in `seq 1 5000`
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do
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reboot_cpu $1
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done &
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local freqs=$(cat $filepath/scaling_available_frequencies)
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local oldfreq=$(cat $filepath/scaling_min_freq)
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for j in `seq 1 5000`
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do
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# Set all frequencies one-by-one
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for freq in $freqs; do
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echo $freq > $filepath/scaling_min_freq
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done
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done
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# restore old freq
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echo $oldfreq > $filepath/scaling_min_freq
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}
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hotplug_with_updates()
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{
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for_each_non_boot_cpu hotplug_with_updates_cpu
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}
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