name : special-tests.sh #!/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 }