199 lines
3.5 KiB
Bash
Executable file
199 lines
3.5 KiB
Bash
Executable file
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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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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source module.sh
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source special-tests.sh
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FUNC=basic # do basic tests by default
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OUTFILE=cpufreq_selftest
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SYSFS=
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CPUROOT=
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CPUFREQROOT=
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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helpme()
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{
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printf "Usage: $0 [-h] [-todg args]
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[-h <help>]
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[-o <output-file-for-dump>]
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[-t <basic: Basic cpufreq testing
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suspend: suspend/resume,
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hibernate: hibernate/resume,
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modtest: test driver or governor modules. Only to be used with -d or -g options,
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sptest1: Simple governor switch to produce lockdep.
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sptest2: Concurrent governor switch to produce lockdep.
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sptest3: Governor races, shuffle between governors quickly.
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sptest4: CPU hotplugs with updates to cpufreq files.>]
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[-d <driver's module name: only with \"-t modtest>\"]
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[-g <governor's module name: only with \"-t modtest>\"]
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\n"
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exit 2
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}
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prerequisite()
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{
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msg="skip all tests:"
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if [ $UID != 0 ]; then
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echo $msg must be run as root >&2
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exit $ksft_skip
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fi
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taskset -p 01 $$
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SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`
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if [ ! -d "$SYSFS" ]; then
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echo $msg sysfs is not mounted >&2
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exit 2
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fi
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CPUROOT=$SYSFS/devices/system/cpu
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CPUFREQROOT="$CPUROOT/cpufreq"
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if ! ls $CPUROOT/cpu* > /dev/null 2>&1; then
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echo $msg cpus not available in sysfs >&2
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exit 2
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fi
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if ! ls $CPUROOT/cpufreq > /dev/null 2>&1; then
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echo $msg cpufreq directory not available in sysfs >&2
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exit 2
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fi
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}
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parse_arguments()
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{
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while getopts ht:o:d:g: arg
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do
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case $arg in
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h) # --help
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helpme
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;;
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t) # --func_type (Function to perform: basic, suspend, hibernate, modtest, sptest1/2/3/4 (default: basic))
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FUNC=$OPTARG
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;;
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o) # --output-file (Output file to store dumps)
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OUTFILE=$OPTARG
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;;
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d) # --driver-mod-name (Name of the driver module)
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DRIVER_MOD=$OPTARG
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;;
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g) # --governor-mod-name (Name of the governor module)
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GOVERNOR_MOD=$OPTARG
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;;
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\?)
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helpme
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;;
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esac
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done
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}
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do_test()
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{
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# Check if CPUs are managed by cpufreq or not
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count=$(count_cpufreq_managed_cpus)
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if [ $count = 0 -a $FUNC != "modtest" ]; then
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echo "No cpu is managed by cpufreq core, exiting"
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exit 2;
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fi
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case "$FUNC" in
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"basic")
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cpufreq_basic_tests
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;;
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"suspend")
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do_suspend "suspend" 1
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;;
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"hibernate")
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do_suspend "hibernate" 1
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;;
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"modtest")
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# Do we have modules in place?
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if [ -z $DRIVER_MOD ] && [ -z $GOVERNOR_MOD ]; then
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echo "No driver or governor module passed with -d or -g"
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exit 2;
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fi
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if [ $DRIVER_MOD ]; then
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if [ $GOVERNOR_MOD ]; then
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module_test $DRIVER_MOD $GOVERNOR_MOD
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else
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module_driver_test $DRIVER_MOD
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fi
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else
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if [ $count = 0 ]; then
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echo "No cpu is managed by cpufreq core, exiting"
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exit 2;
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fi
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module_governor_test $GOVERNOR_MOD
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fi
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;;
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"sptest1")
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simple_lockdep
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;;
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"sptest2")
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concurrent_lockdep
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;;
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"sptest3")
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governor_race
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;;
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"sptest4")
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hotplug_with_updates
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;;
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*)
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echo "Invalid [-f] function type"
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helpme
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;;
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esac
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}
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# clear dumps
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# $1: file name
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clear_dumps()
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{
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echo "" > $1.txt
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echo "" > $1.dmesg_cpufreq.txt
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echo "" > $1.dmesg_full.txt
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}
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# $1: output file name
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dmesg_dumps()
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{
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dmesg | grep cpufreq >> $1.dmesg_cpufreq.txt
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# We may need the full logs as well
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dmesg >> $1.dmesg_full.txt
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}
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# Parse arguments
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parse_arguments $@
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# Make sure all requirements are met
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prerequisite
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# Run requested functions
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clear_dumps $OUTFILE
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do_test >> $OUTFILE.txt
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dmesg_dumps $OUTFILE
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