big.LITTLE IKS test suites initial commit

big.LITTLE IKS test suites initial commit

Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>

1 files changed, 143 insertions, 0 deletions

diff --git a/boot-a7/boot-a7.sh b/boot-a7/boot-a7.sh
new file mode 100755
index 0000000..f073305
--- /dev/null
+++ b/boot-a7/boot-a7.sh
@@ -0,0 +1,143 @@
+# 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> 
+#
+
+usage()
+{
+	echo ""
+	echo "usage: $0 -c <cpu number> [Optional Arguments...]"
+	echo "Options: -c           operate on this cpu, this option can be specified multiple times"
+	echo ""
+	echo "Example: $0 -c 0 -c 1 ... -c $large_cpu_number"
+	exit 1
+}
+
+check_kernel_oops()
+{
+	KERNEL_ERR=`dmesg | grep "Unable to handle kernel "`
+	if [ -n "$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
+	else if [ -d $UBUNTU_MOD_PATH ]; then
+		MOD_LOCATION=$UBUNTU_MOD_PATH/arm-bl-cpufreq.ko
+	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 $MOD_LOCATION
+	fi
+	check_kernel_oops
+}
+
+switch()
+{
+	CUR_FREQ=`cat /sys/devices/system/cpu/cpu"$CPU_NUM"/cpufreq/cpuinfo_cur_freq`
+	if [ -z $CUR_FREQ ]; then
+		echo "Unable to get current operating frequency"
+		exit 1
+	fi
+	if [ "$CUR_FREQ" -eq "$LITTLE" ]; then
+		echo "cpu$CPU_NUM is LITTLE"
+	else if [ "$CUR_FREQ" -eq "$BIG" ]; then
+		echo "cpu$CPU_NUM is big. Switching to LITTLE.."
+		bl-agitator -f little -c $CPU_NUM
+		ERR_CODE=$?
+		if [ $ERR_CODE -ne 0 ]; then
+			echo "bigLITTLE switcher failed for cpu$CPU_NUM. Abort!!"
+			exit 1
+		else
+			echo "cpu$CPU_NUM successfully switched to LITTLE."
+		fi
+	else if [ "$CUR_FREQ" -lt "$BIG" ]; then
+		if [ "$CUR_FREQ" -gt "$LITTLE" ]; then
+			echo "cpu$CPU_NUM is big. Switching to LITTLE.."
+			bl-agitator -f little -c $CPU_NUM
+			ERR_CODE=$?
+			if [ $ERR_CODE -ne 0 ]; then
+				echo "bigLITTLE switcher failed for cpu$CPU_NUM. Abort!!"
+				exit 1
+			else
+				echo "cpu$CPU_NUM successfully switched to LITTLE."
+			fi
+		fi
+	else
+		echo "cpu$CPU_NUM operating at Current Frequency = $CUR_FREQ"
+		exit 1
+	fi
+	fi
+	fi
+}
+
+TOTAL_ACTIVE_CPUS=`ls /sys/devices/system/cpu/cpu*/online | wc -l`
+large_cpu_number=$((TOTAL_ACTIVE_CPUS-1))
+
+if [ $(echo "$2" | grep -E "^[0-$large_cpu_number]+$") ]; then
+	echo "Running $0 $1 $2"
+else
+	echo "Error: Specify the number of CPU core (0-$large_cpu_number) to be switched to the desired frequency"
+	usage
+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 boot-a7.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`
+
+while [ "$1" ]; do
+	case "$1" in
+        -c|--cpu-num)
+                if [ -z "$2" ]; then
+                        echo "Error: Specify the CPU core (0-$large_cpu_number) to be switched to the desired frequency"
+                        usage
+                fi
+                if [ $(echo "$2" | grep -E "^[0-$large_cpu_number]+$") ]; then
+                        CPU_NUM=$2;
+                        switch
+                        shift;
+                else
+                        usage
+                fi
+                ;;
+	-h | --help | *)
+		usage
+		;;
+	esac
+	shift;
+done
+
+check_kernel_oops
+
+exit 0