iks-smoke-test: Adding new test definition for big.LITTLE IKS

This test is to enable and disable big.LITTLE IKS switcher 100 times
and ensure kernel not crashed while running this test.

Change-Id: I2755bdd3724b4096af165ecb64579f038d124203
Signed-off-by: Naresh Kamboju <naresh.kamboju@linaro.org>

1 files changed, 105 insertions, 0 deletions

diff --git a/common/scripts/iks-smoke-test.sh b/common/scripts/iks-smoke-test.sh
new file mode 100755
index 0000000..6c1c8cc
--- /dev/null
+++ b/common/scripts/iks-smoke-test.sh
@@ -0,0 +1,105 @@
+# IKS smoke test
+#
+# Copyright (C) 2014, 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: Naresh Kamboju <naresh.kamboju@linaro.org>
+#
+# "CONFIG_BL_SWITCHER=y" is required in kernel config.
+# Enable and disable big.LITTLE switcher can be done in run time by using
+# userspace entry  "/sys/kernel/bL_switcher/active"
+# This test is to enable and disable big.LITTLE IKS switcher 100 times.
+
+ERR_CODE=0
+switcher_disable ()
+{
+    echo 0 > /sys/kernel/bL_switcher/active
+    ERR_CODE=$?
+    if [ $ERR_CODE -ne 0 ]; then
+        echo "not able to disable switcher"
+        return 1
+    fi
+    return 0
+}
+
+switcher_enable ()
+{
+    echo 1 > /sys/kernel/bL_switcher/active
+    ERR_CODE=$?
+    if [ $ERR_CODE -ne 0 ]; then
+        echo "not able to enable switcher"
+        return 1
+    fi
+    return 0
+}
+
+check_iks()
+{
+    if [ -e /sys/kernel/bL_switcher/active ]; then
+        echo "******************************"
+        echo "IKS Implemented on this device"
+        echo "******************************"
+    else
+        echo "IKS not implemented on this device"
+        echo "skipping IKS tests"
+        echo "enable-and-disable-switcher-100-times: SKIP"
+        echo "IKS-smoke-test: SKIP"
+        exit 0
+    fi
+}
+
+check_kernel_oops()
+{
+    KERNEL_ERR=`dmesg | grep "Unable to handle kernel"`
+    if [ -n "$KERNEL_ERR" ]; then
+        echo "Kernel OOPS. Abort!!"
+        return 1
+    fi
+    return 0
+}
+
+enable_and_disable_switcher_100_times()
+{
+    i=0
+    while [ $i -lt 100 ]; do
+        switcher_enable
+        if [ $? -ne 0 ]; then
+            return $?
+        fi
+        sleep 1
+        switcher_disable
+        if [ $? -ne 0 ]; then
+            return $?
+        fi
+        i=$(($i + 1))
+        echo "enable/disable IKS loop $i"
+    done
+}
+
+check_iks
+enable_and_disable_switcher_100_times
+if [ $? -eq 0 ]; then
+    echo "enable-and-disable-switcher-100-times: PASS"
+else
+    echo "enable-and-disable-switcher-100-times: FAIL"
+fi
+check_kernel_oops
+if [ $? -eq 0 ]; then
+    echo "IKS-smoke-test: PASS"
+else
+    echo "IKS-smoke-test: FAIL"
+fi
+exit 0