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[pm-qa,10/10] do some stress test

Message ID 1317629915-31767-10-git-send-email-daniel.lezcano@linaro.org
State Accepted
Headers show

Commit Message

Daniel Lezcano Oct. 3, 2011, 8:18 a.m. UTC 
Randomly offline/online a cpu

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org
---
 cpuhotplug/cpuhotplug_08.sh  |   49 ++++++++++++++++++++++++++++++++++++++++++
 cpuhotplug/cpuhotplug_08.txt |    1 +
 2 files changed, 50 insertions(+), 0 deletions(-)
 create mode 100644 cpuhotplug/cpuhotplug_08.sh
 create mode 100644 cpuhotplug/cpuhotplug_08.txt
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Patch

diff --git a/cpuhotplug/cpuhotplug_08.sh b/cpuhotplug/cpuhotplug_08.sh
new file mode 100644
index 0000000..889221f
--- /dev/null
+++ b/cpuhotplug/cpuhotplug_08.sh
@@ -0,0 +1,49 @@ 
+#!/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#cpuhotplug_08
+
+source ../include/functions.sh
+
+function randomize() {
+    echo $[ ( $RANDOM % $1 )  + 1 ]
+}
+
+random_stress() {
+    local cpu_present=$(cat /sys/devices/system/cpu/present | cut -d '-' -f 2)
+    local cpurand=$(randomize $cpu_present)
+    local ret=
+
+    # randomize will in range "1-$cpu_present) so cpu0 is ignored
+    set_offline cpu$cpurand
+    ret=$?
+    check "cpu$cpurand is offline" "test $ret -eq 0"
+
+    set_online cpu$cpurand
+    ret=$?
+    check "cpu$cpurand is online" "test $ret -eq 0"
+}
+
+for i in $(seq 1 50); do random_stress || break; done
diff --git a/cpuhotplug/cpuhotplug_08.txt b/cpuhotplug/cpuhotplug_08.txt
new file mode 100644
index 0000000..ddfca55
--- /dev/null
+++ b/cpuhotplug/cpuhotplug_08.txt
@@ -0,0 +1 @@ 
+test userspace notification