test the load of the cpu does not affect the frequency with 'userspace'

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

1 files changed, 78 insertions, 0 deletions

diff --git a/cpufreq/test_08.sh b/cpufreq/test_08.sh
new file mode 100644
index 0000000..cf86494
--- /dev/null
+++ b/cpufreq/test_08.sh
@@ -0,0 +1,78 @@
+#!/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#test_08
+
+source ../include/functions.sh
+
+CPUBURN=../utils/cpuburn
+
+check_frequency() {
+    local cpu=$1
+    local freq=$2
+    local curfreq=
+    local pid=
+
+    $CPUBURN $cpu &
+    pid=$!
+
+    set_frequency $cpu $freq
+
+    wait_latency $cpu
+    curfreq=$(get_frequency $cpu)
+    kill $pid
+
+    check "'userspace' $(frequnit $freq) is fixed" "test \"$curfreq\" == \"$freq\""
+    if [ "$?" != "0" ]; then
+	return 1
+    fi
+
+    return 0
+}
+
+check_userspace() {
+
+    local cpu=$1
+    local maxfreq=$(get_max_frequency $cpu)
+    local minfreq=$(get_min_frequency $cpu)
+    local curfreq=$(get_frequency $cpu)
+
+    set_governor $cpu userspace
+
+    for_each_frequency $cpu check_frequency $minfreq
+}
+
+save_governors
+
+if [ $(id -u) != 0 ]; then
+    log_skip "run as non-root"
+    exit 0
+fi
+
+trap "restore_governors; sigtrap" SIGHUP SIGINT SIGTERM
+
+for_each_cpu check_userspace
+
+restore_governors