From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- tools/testing/selftests/cpufreq/special-tests.sh | 116 +++++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100755 tools/testing/selftests/cpufreq/special-tests.sh (limited to 'tools/testing/selftests/cpufreq/special-tests.sh') diff --git a/tools/testing/selftests/cpufreq/special-tests.sh b/tools/testing/selftests/cpufreq/special-tests.sh new file mode 100755 index 0000000000..8d40505dc4 --- /dev/null +++ b/tools/testing/selftests/cpufreq/special-tests.sh @@ -0,0 +1,116 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Special test cases reported by people + +# Testcase 1: Reported here: http://marc.info/?l=linux-pm&m=140618592709858&w=2 + +# protect against multiple inclusion +if [ $FILE_SPECIAL ]; then + return 0 +else + FILE_SPECIAL=DONE +fi + +source cpu.sh +source cpufreq.sh +source governor.sh + +# Test 1 +# $1: policy +__simple_lockdep() +{ + # switch to ondemand + __switch_governor $1 "ondemand" + + # cat ondemand files + local ondir=$(find_gov_directory $1 "ondemand") + if [ -z $ondir ]; then + printf "${FUNCNAME[0]}Ondemand directory not created, quit" + return + fi + + cat $ondir/* + + # switch to conservative + __switch_governor $1 "conservative" +} + +simple_lockdep() +{ + printf "** Test: Running ${FUNCNAME[0]} **\n" + + for_each_policy __simple_lockdep +} + +# Test 2 +# $1: policy +__concurrent_lockdep() +{ + for i in `seq 0 100`; do + __simple_lockdep $1 + done +} + +concurrent_lockdep() +{ + printf "** Test: Running ${FUNCNAME[0]} **\n" + + for_each_policy_concurrent __concurrent_lockdep +} + +# Test 3 +quick_shuffle() +{ + # this is called concurrently from governor_race + for I in `seq 1000` + do + echo ondemand | sudo tee $CPUFREQROOT/policy*/scaling_governor & + echo userspace | sudo tee $CPUFREQROOT/policy*/scaling_governor & + done +} + +governor_race() +{ + printf "** Test: Running ${FUNCNAME[0]} **\n" + + # run 8 concurrent instances + for I in `seq 8` + do + quick_shuffle & + done +} + +# Test 4 +# $1: cpu +hotplug_with_updates_cpu() +{ + local filepath="$CPUROOT/$1/cpufreq" + + # switch to ondemand + __switch_governor_for_cpu $1 "ondemand" + + for i in `seq 1 5000` + do + reboot_cpu $1 + done & + + local freqs=$(cat $filepath/scaling_available_frequencies) + local oldfreq=$(cat $filepath/scaling_min_freq) + + for j in `seq 1 5000` + do + # Set all frequencies one-by-one + for freq in $freqs; do + echo $freq > $filepath/scaling_min_freq + done + done + + # restore old freq + echo $oldfreq > $filepath/scaling_min_freq +} + +hotplug_with_updates() +{ + for_each_non_boot_cpu hotplug_with_updates_cpu +} -- cgit v1.2.3