diff options
Diffstat (limited to 'interactive-governor-test.sh')
| -rwxr-xr-x | interactive-governor-test.sh | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/interactive-governor-test.sh b/interactive-governor-test.sh new file mode 100755 index 0000000..83657e3 --- /dev/null +++ b/interactive-governor-test.sh @@ -0,0 +1,141 @@ +# Copyright (C) 2012, 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. +# +# Author: Amit Pundir <amit.pundir@linaro.org> +# Modified-by: Naresh Kamboju <naresh.kamboju@linaro.org> +# + +get_governor() +{ + ANDROID_MOD_PATH=/system/modules + UBUNTU_MOD_PATH=/lib/modules + if [ -d $ANDROID_MOD_PATH ]; then + GOVERNOR="interactive" + else if [ -d $UBUNTU_MOD_PATH ]; then + GOVERNOR="ondemand" + else + echo "ERROR: get_governors failed" + exit 1 + fi + fi +} + +check_kernel_oops() +{ + KERNEL_ERR=`dmesg | grep "Unable to handle kernel "` + if [ -n "$KERNEL_ERR" ]; then + echo "Kernel OOPS. Abort!!" + exit 1 + fi +} + +insert_bl_module() +{ + ANDROID_MOD_PATH=/system/modules + UBUNTU_MOD_PATH=/lib/modules/`uname -r`/kernel/drivers/cpufreq + if [ -d $ANDROID_MOD_PATH ]; then + MOD_LOCATION=$ANDROID_MOD_PATH/arm-bl-cpufreq.ko + GOVERNOR="interactive" + else if [ -d $UBUNTU_MOD_PATH ]; then + MOD_LOCATION=$UBUNTU_MOD_PATH/arm-bl-cpufreq.ko + GOVERNOR="ondemand" + else + echo "ERROR: No arm-bl-cpufreq.ko module found" + exit 1 + fi + fi + CPU_FREQ_KM=`lsmod | grep cpufreq | awk '{print $1}'` + if [ -z "$CPU_FREQ_KM" ]; then + insmod $MOD_LOCATION + fi + check_kernel_oops +} + +set_governor() +{ + for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor + do echo $GOVERNOR > $file + done + sleep 5; +} + +reset_governor() +{ + GOVERNOR="userspace" + for file in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor + do echo $GOVERNOR > $file + done + sleep 5; +} + +check_operating_frequency() +{ + i=0 + for file in /sys/devices/system/cpu/cpu*/cpufreq/cpuinfo_cur_freq + do freq=`cat $file` + if [ "$freq" -eq "$BIG" ]; then + echo "cpu$i operating in BIG mode at $freq" + else if [ "$freq" -eq "$LITTLE" ] ; then + echo "cpu$i operating in LITTLE mode at $freq" + else + echo "cpu$i operating at $freq" + fi + fi + i=$((i+1)) + done +} + +run_memtester() +{ + memtester 1M 1 & + sleep 5; + ANDROID_MOD_PATH=/system/modules + UBUNTU_MOD_PATH=/lib/modules + if [ -d $ANDROID_MOD_PATH ]; then + while [ `ps | grep -v grep | grep memtester | wc -l` -eq 1 ]; do + check_operating_frequency + sleep 20; + done + else if [ -d $UBUNTU_MOD_PATH ]; then + while [ `ps ax | grep -v grep | grep memtester | wc -l` -eq 1 ]; do + check_operating_frequency + sleep 20; + done + else + echo "ERROR: Unexpected Environment " + exit 1 + fi + fi +} + +# insert bl module is intended for RTSM +MODEL=`cat /proc/device-tree/model` +if [ "$MODEL" = "RTSM_VE_CortexA15x4-A7x4" ]; then + echo "insert bl module from interactive-governor-test.sh" + insert_bl_module +fi + +BIG=`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq` +LITTLE=`cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq` + +get_governor +set_governor +check_operating_frequency +run_memtester +check_operating_frequency +reset_governor + +exit 0 |