OSCL-LXR linux-6.0.1/​tools/​testing/​selftests/​cpufreq/​main.sh	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

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

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