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|
#!/bin/sh
#
# PM-QA validation test suite for the power management on Linux
#
# Copyright (C) 2011, Linaro Limited.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Contributors:
# Daniel Lezcano <daniel.lezcano@linaro.org> (IBM Corporation)
# - initial API and implementation
#
. ../Switches/Switches.sh
CPU_PATH="/sys/devices/system/cpu"
TEST_NAME=$(basename ${0%.sh})
PREFIX=$TEST_NAME
INC=0
cpus=$(ls $CPU_PATH | grep "cpu[0-9].*")
pass_count=0
fail_count=0
skip_count=0
test_script_status="pass"
NANOSLEEP="../utils/nanosleep"
gov_array="governors_backup"
freq_array="frequencies_backup"
test_status_show() {
if [ $fail_count -ne 0 ]; then
test_script_status="fail"
else
if [ $skip_count -ne 0 ]; then
if [ $pass_count -ne 0 ]; then
test_script_status="pass"
else
test_script_status="skip"
fi
fi
fi
echo " "
if [ "$test_script_status" = "fail" ]; then
echo "$TEST_NAME: fail"
elif [ "$test_script_status" = "skip" ]; then
echo "$TEST_NAME: skip"
else
echo "$TEST_NAME: pass"
fi
echo " "
}
skip_tests() {
dir=$1
test_script_list=$(ls ../$1/*.sh | grep -v 'sanity.sh$' | grep -v '00.sh$')
for test_script in $test_script_list; do
test_case=$(basename $test_script .sh)
echo "$test_case: skip"
done
}
log_begin() {
printf "%-76s" "$TEST_NAME.$INC$CPU: $@... "
INC=$(($INC+1))
}
log_end() {
printf "$*\n"
if [ "$*" = "Err" ]; then
fail_count=$((fail_count + 1))
elif [ "$*" = "skip" ]; then
skip_count=$((skip_count + 1))
else
pass_count=$((pass_count + 1))
fi
}
log_skip() {
log_begin "$@"
log_end "skip"
}
for_each_cpu() {
cpu_func=$1
shift 1
for cpu in $cpus; do
INC=0
CPU=/$cpu
$cpu_func $cpu $@
done
return 0
}
for_each_governor() {
gov_cpu=$1
gov_func=$2
cpufreq_dirpath=$CPU_PATH/$gov_cpu/cpufreq
governors=$(cat $cpufreq_dirpath/scaling_available_governors)
shift 2
for governor in $governors; do
$gov_func $gov_cpu $governor $@
done
return 0
}
for_each_frequency() {
freq_cpu=$1
freq_func=$2
cpufreq_dirpath=$CPU_PATH/$freq_cpu/cpufreq
frequencies=$(cat $cpufreq_dirpath/scaling_available_frequencies)
shift 2
for frequency in $frequencies; do
$freq_func $freq_cpu $frequency $@
done
return 0
}
set_governor() {
gov_cpu=$1
scaling_gov_dirpath=$CPU_PATH/$gov_cpu/cpufreq/scaling_governor
newgov=$2
echo $newgov > $scaling_gov_dirpath
}
get_governor() {
gov_cpu=$1
scaling_gov_dirpath=$CPU_PATH/$gov_cpu/cpufreq/scaling_governor
cat $scaling_gov_dirpath
}
wait_latency() {
wait_latency_cpu=$1
cpufreq_dirpath=$CPU_PATH/$wait_latency_cpu/cpufreq
gov=$(cat $cpufreq_dirpath/scaling_governor)
# consider per-policy governor case
if [ -e $CPU_PATH/$wait_latency_cpu/cpufreq/$gov ]; then
sampling_rate=$(cat $CPU_PATH/$wait_latency_cpu/cpufreq/$gov/sampling_rate)
else
sampling_rate=$(cat $CPU_PATH/cpufreq/$gov/sampling_rate)
fi
sampling_rate=$((sampling_rate * 1000)) # unit nsec
latency=$(cat $cpufreq_dirpath/cpuinfo_transition_latency)
if [ $? -ne 0 ]; then
return 1
fi
nrfreq=$(cat $cpufreq_dirpath/scaling_available_frequencies | wc -w)
if [ $? -ne 0 ]; then
return 1
fi
nrfreq=$((nrfreq + 1))
sleep_time=$(($latency + $sampling_rate))
$NANOSLEEP $(($nrfreq * $sleep_time))
}
frequnit() {
freq=$1
ghz=$(echo $freq | awk '{printf "%.1f", ($1 / 1000000)}')
mhz=$(echo $freq | awk '{printf "%.1f", ($1 / 1000)}')
ghz_value=$(echo $ghz | awk '{printf "%f", ($1 > 1.0)}')
if [ "$ghz_value" = "1" ]; then
echo $ghz GHz
return 0
fi
mhz_value=$(echo $mhz | awk '{printf "%f", ($1 > 1.0)}')
if [ "$mhz_value" = "1" ];then
echo $mhz MHz
return 0
fi
echo $freq KHz
}
set_frequency() {
freq_cpu=$1
cpufreq_dirpath=$CPU_PATH/$freq_cpu/cpufreq
newfreq=$2
setfreqpath=$cpufreq_dirpath/scaling_setspeed
echo $newfreq > $setfreqpath
wait_latency $freq_cpu
}
get_frequency() {
freq_cpu=$1
scaling_cur_freq=$CPU_PATH/$freq_cpu/cpufreq/scaling_cur_freq
cat $scaling_cur_freq
}
get_max_frequency() {
freq_cpu=$1
scaling_max_freq=$CPU_PATH/$freq_cpu/cpufreq/scaling_max_freq
cat $scaling_max_freq
}
get_min_frequency() {
freq_cpu=$1
scaling_min_freq=$CPU_PATH/$freq_cpu/cpufreq/scaling_min_freq
cat $scaling_min_freq
}
set_online() {
current_cpu=$1
current_cpu_path=$CPU_PATH/$current_cpu
if [ "$current_cpu" = "cpu0" ]; then
return 0
fi
echo 1 > $current_cpu_path/online
}
set_offline() {
current_cpu=$1
current_cpu_path=$CPU_PATH/$current_cpu
if [ "$current_cpu" = "cpu0" ]; then
return 0
fi
echo 0 > $current_cpu_path/online
}
get_online() {
current_cpu=$1
current_cpu_path=$CPU_PATH/$current_cpu
cat $current_cpu_path/online
}
check() {
check_descr=$1
check_func=$2
shift 2;
log_begin "checking $check_descr"
$check_func $@
if [ $? -ne 0 ]; then
log_end "Err"
return 1
fi
log_end "Ok"
return 0
}
check_file() {
file=$1
dir=$2
check "'$file' exists in '$dir'" "test -f" $dir/$file
}
check_cpufreq_files() {
cpu_id=$1
cpufreq_files_dir=$CPU_PATH/$cpu_id/cpufreq
shift 1
for i in $@; do
check_file $i $cpufreq_files_dir || return 1
done
return 0
}
check_sched_mc_files() {
for i in $@; do
check_file $i $CPU_PATH || return 1
done
return 0
}
check_topology_files() {
cpu=$1
topology_files_dir=$CPU_PATH/$cpu/topology
shift 1
for i in $@; do
check_file $i $topology_files_dir || return 1
done
return 0
}
check_cpuhotplug_files() {
cpuhotplug_files_dir=$CPU_PATH/$1
shift 1
for i in $@; do
if [ `echo $cpuhotplug_files_dir | grep -c "cpu0"` -eq 1 ]; then
if [ $hotplug_allow_cpu0 -eq 0 ]; then
continue
fi
fi
check_file $i $cpuhotplug_files_dir || return 1
done
return 0
}
save_governors() {
index=0
for cpu in $cpus; do
scaling_gov_value=$(cat $CPU_PATH/$cpu/cpufreq/scaling_governor)
eval $gov_array$index=$scaling_gov_value
eval export $gov_array$index
done
}
restore_governors() {
index=0
for cpu in $cpus; do
oldgov=$(eval echo \$$gov_array$index)
echo $oldgov > $CPU_PATH/$cpu/cpufreq/scaling_governor
index=$((index + 1))
done
}
save_frequencies() {
index=0
for cpu in $cpus; do
freq_value=$(cat $CPU_PATH/$cpu/cpufreq/scaling_cur_freq)
eval $freq_array$index=$freq_value
eval export $freq_array$index
done
}
restore_frequencies() {
index=0
for cpu in $cpus; do
oldfreq=$(eval echo \$$freq_array$index)
echo $oldfreq > $CPU_PATH/$cpu/cpufreq/scaling_setspeed
index=$((index + 1))
done
}
sigtrap() {
exit 255
}
# currently we support ubuntu and android
get_os() {
lsb_release -a 2>&1 | grep -i ubuntu > /dev/null
if [ $? -eq 0 ]; then
# for ubuntu
return 1
else
# for android (if needed can look for build.prop)
return 2
fi
}
is_root() {
get_os
if [ $? -eq 1 ]; then
# for ubuntu
ret=$(id -u)
else
# for android
ret=$(id | sed -n 's/uid=//p' | sed -n 's/(root) [a-z]*=[0-9]*(log)//p')
fi
return $ret
}
is_cpu0_hotplug_allowed() {
status=$1
if [ $status -eq 1 ]; then
return 0
else
return 1
fi
}
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