Quelle  special-tests.sh   Sprache: Shell

#!/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
}