tools/testing/selftests/cpufreq/main.sh

   1 #!/bin/bash
   2
   3 source cpu.sh
   4 source cpufreq.sh
   5 source governor.sh
   6 source module.sh
   7 source special-tests.sh
   8
   9 FUNC=basic      # do basic tests by default
  10 OUTFILE=cpufreq_selftest
  11 SYSFS=
  12 CPUROOT=
  13 CPUFREQROOT=
  14
  15 helpme()
  16 {
  17         printf "Usage: $0 [-h] [-todg args]
  18         [-h <help>]
  19         [-o <output-file-for-dump>]
  20         [-t <basic: Basic cpufreq testing
  21              suspend: suspend/resume,
  22              hibernate: hibernate/resume,
  23              modtest: test driver or governor modules. Only to be used with -d or -g options,
  24              sptest1: Simple governor switch to produce lockdep.
  25              sptest2: Concurrent governor switch to produce lockdep.
  26              sptest3: Governor races, shuffle between governors quickly.
  27              sptest4: CPU hotplugs with updates to cpufreq files.>]
  28         [-d <driver's module name: only with \"-t modtest>\"]
  29         [-g <governor's module name: only with \"-t modtest>\"]
  30         \n"
  31         exit 2
  32 }
  33
  34 prerequisite()
  35 {
  36         msg="skip all tests:"
  37
  38         if [ $UID != 0 ]; then
  39                 echo $msg must be run as root >&2
  40                 exit 2
  41         fi
  42
  43         taskset -p 01 $$
  44
  45         SYSFS=`mount -t sysfs | head -1 | awk '{ print $3 }'`
  46
  47         if [ ! -d "$SYSFS" ]; then
  48                 echo $msg sysfs is not mounted >&2
  49                 exit 2
  50         fi
  51
  52         CPUROOT=$SYSFS/devices/system/cpu
  53         CPUFREQROOT="$CPUROOT/cpufreq"
  54
  55         if ! ls $CPUROOT/cpu* > /dev/null 2>&1; then
  56                 echo $msg cpus not available in sysfs >&2
  57                 exit 2
  58         fi
  59
  60         if ! ls $CPUROOT/cpufreq > /dev/null 2>&1; then
  61                 echo $msg cpufreq directory not available in sysfs >&2
  62                 exit 2
  63         fi
  64 }
  65
  66 parse_arguments()
  67 {
  68         while getopts ht:o:d:g: arg
  69         do
  70                 case $arg in
  71                         h) # --help
  72                                 helpme
  73                                 ;;
  74
  75                         t) # --func_type (Function to perform: basic, suspend, hibernate, modtest, sptest1/2/3/4 (default: basic))
  76                                 FUNC=$OPTARG
  77                                 ;;
  78
  79                         o) # --output-file (Output file to store dumps)
  80                                 OUTFILE=$OPTARG
  81                                 ;;
  82
  83                         d) # --driver-mod-name (Name of the driver module)
  84                                 DRIVER_MOD=$OPTARG
  85                                 ;;
  86
  87                         g) # --governor-mod-name (Name of the governor module)
  88                                 GOVERNOR_MOD=$OPTARG
  89                                 ;;
  90
  91                         \?)
  92                                 helpme
  93                                 ;;
  94                 esac
  95         done
  96 }
  97
  98 do_test()
  99 {
 100         # Check if CPUs are managed by cpufreq or not
 101         count=$(count_cpufreq_managed_cpus)
 102
 103         if [ $count = 0 -a $FUNC != "modtest" ]; then
 104                 echo "No cpu is managed by cpufreq core, exiting"
 105                 exit 2;
 106         fi
 107
 108         case "$FUNC" in
 109                 "basic")
 110                 cpufreq_basic_tests
 111                 ;;
 112
 113                 "suspend")
 114                 do_suspend "suspend" 1
 115                 ;;
 116
 117                 "hibernate")
 118                 do_suspend "hibernate" 1
 119                 ;;
 120
 121                 "modtest")
 122                 # Do we have modules in place?
 123                 if [ -z $DRIVER_MOD ] && [ -z $GOVERNOR_MOD ]; then
 124                         echo "No driver or governor module passed with -d or -g"
 125                         exit 2;
 126                 fi
 127
 128                 if [ $DRIVER_MOD ]; then
 129                         if [ $GOVERNOR_MOD ]; then
 130                                 module_test $DRIVER_MOD $GOVERNOR_MOD
 131                         else
 132                                 module_driver_test $DRIVER_MOD
 133                         fi
 134                 else
 135                         if [ $count = 0 ]; then
 136                                 echo "No cpu is managed by cpufreq core, exiting"
 137                                 exit 2;
 138                         fi
 139
 140                         module_governor_test $GOVERNOR_MOD
 141                 fi
 142                 ;;
 143
 144                 "sptest1")
 145                 simple_lockdep
 146                 ;;
 147
 148                 "sptest2")
 149                 concurrent_lockdep
 150                 ;;
 151
 152                 "sptest3")
 153                 governor_race
 154                 ;;
 155
 156                 "sptest4")
 157                 hotplug_with_updates
 158                 ;;
 159
 160                 *)
 161                 echo "Invalid [-f] function type"
 162                 helpme
 163                 ;;
 164         esac
 165 }
 166
 167 # clear dumps
 168 # $1: file name
 169 clear_dumps()
 170 {
 171         echo "" > $1.txt
 172         echo "" > $1.dmesg_cpufreq.txt
 173         echo "" > $1.dmesg_full.txt
 174 }
 175
 176 # $1: output file name
 177 dmesg_dumps()
 178 {
 179         dmesg | grep cpufreq >> $1.dmesg_cpufreq.txt
 180
 181         # We may need the full logs as well
 182         dmesg >> $1.dmesg_full.txt
 183 }
 184
 185 # Parse arguments
 186 parse_arguments $@
 187
 188 # Make sure all requirements are met
 189 prerequisite
 190
 191 # Run requested functions
 192 clear_dumps $OUTFILE
 193 do_test >> $OUTFILE.txt
 194 dmesg_dumps $OUTFILE