test_04 : check we can change sched_mc policy

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

1 files changed, 70 insertions, 0 deletions

diff --git a/sched_mc/test_04.sh b/sched_mc/test_04.sh
new file mode 100644
index 0000000..4d7cfc1
--- /dev/null
+++ b/sched_mc/test_04.sh
@@ -0,0 +1,70 @@
+#!/bin/bash
+#
+# PM-QA validation test suite for the power management on ARM
+#
+# 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
+#
+
+# URL : https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/QA/Scripts#sched_mc_04
+
+source ../include/functions.sh
+
+check_change() {
+    local val=$1
+    local path=$2
+
+    echo $val > $path
+}
+
+check_invalid_change() {
+
+    local val=$1
+    local path=$2
+
+    echo $val > $path
+    if [ "$?" != "0" ]; then
+	return 0
+    fi
+
+    return 1
+}
+
+check_sched_mc_change() {
+
+    local path=$CPU_PATH/sched_mc_power_savings
+    local oldval=$(cat $path)
+
+    check "setting value to 0" check_change 0 $path
+    check "setting value to 1" check_change 1 $path
+    check "setting value to 2" check_change 2 $path
+    check "setting invalid value to 3" check_invalid_change 3 $path
+    check "setting invalid value to -1" check_invalid_change -1 $path
+
+    echo $oldval > $path
+}
+
+if [ $(id -u) != 0 ]; then
+    log_skip "run as non-root"
+    exit 0
+fi
+
+# check_sched_mc_files sched_mc_power_savings || exit 1
+check_sched_mc_change