This is a wrapper for locktorture kernel module (added in Linux 3.18).
The test requiers that kernel configured with CONFIG_LOCK_TORTURE_TEST.
It runs locktorture module using particular options and then inspects dmesg
output for module's test results. For more information, please read Linux
Documentation: locking/locktorture.txt
Signed-off-by: Alexey Kodanev <alexey.koda...@oracle.com>
---
testcases/kernel/device-drivers/Makefile | 1 +
testcases/kernel/device-drivers/locking/Makefile | 22 +++++
.../kernel/device-drivers/locking/lock_torture.sh | 93 ++++++++++++++++++++
3 files changed, 116 insertions(+), 0 deletions(-)
create mode 100644 testcases/kernel/device-drivers/locking/Makefile
create mode 100755 testcases/kernel/device-drivers/locking/lock_torture.sh
diff --git a/testcases/kernel/device-drivers/Makefile
b/testcases/kernel/device-drivers/Makefile
index a5a1745..551d137 100644
--- a/testcases/kernel/device-drivers/Makefile
+++ b/testcases/kernel/device-drivers/Makefile
@@ -21,6 +21,7 @@ include $(top_srcdir)/include/mk/env_pre.mk
SUBDIRS := acpi \
block \
cpufreq \
+ locking \
pci \
rcu \
rtc \
diff --git a/testcases/kernel/device-drivers/locking/Makefile
b/testcases/kernel/device-drivers/locking/Makefile
new file mode 100644
index 0000000..9aabff3
--- /dev/null
+++ b/testcases/kernel/device-drivers/locking/Makefile
@@ -0,0 +1,22 @@
+# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
+#
+# 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 would 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 the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+top_srcdir ?= ../../../..
+include $(top_srcdir)/include/mk/testcases.mk
+
+INSTALL_TARGETS := lock_torture.sh
+
+include $(top_srcdir)/include/mk/generic_leaf_target.mk
diff --git a/testcases/kernel/device-drivers/locking/lock_torture.sh
b/testcases/kernel/device-drivers/locking/lock_torture.sh
new file mode 100755
index 0000000..e2722dd
--- /dev/null
+++ b/testcases/kernel/device-drivers/locking/lock_torture.sh
@@ -0,0 +1,93 @@
+#!/bin/sh
+# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+# Author: Alexey Kodanev <alexey.koda...@oracle.com>
+#
+# This is a wrapper for locktorture kernel module. The test requiers
+# that kernel configured with CONFIG_LOCK_TORTURE_TEST. It runs locktorture
+# module using particular options and then inspects dmesg output for module's
+# test results. For more information, please read Linux Documentation:
+# locking/locktorture.txt
+
+TCID="lock_torture"
+TST_TOTAL=5
+TST_CLEANUP=cleanup
+. test.sh
+
+# default options
+test_time=60
+
+while getopts :ht: opt; do
+ case "$opt" in
+ h)
+ echo "Usage:"
+ echo "h help"
+ echo "t x time in seconds for each test-case"
+ exit 0
+ ;;
+ t) test_time=$OPTARG ;;
+ *)
+ tst_brkm TBROK "unknown option: $opt"
+ ;;
+ esac
+done
+
+cleanup()
+{
+ tst_resm TINFO "cleanup"
+ rmmod locktorture > /dev/null 2>&1
+}
+
+tst_kvercmp 3 18 0 && \
+ tst_brkm TCONF "test must be run with kernel 3.18 or newer"
+
+tst_require_root
+
+# check if module is present
+modprobe locktorture > /dev/null 2>&1 || \
+ tst_brkm TCONF "Test requires locktorture module"
+rmmod locktorture > /dev/null 2>&1
+
+trap cleanup INT
+
+lock_type="spin_lock spin_lock_irq rw_lock mutex_lock rwsem_lock"
+
+est_time=$(echo "scale=2; $test_time * $TST_TOTAL / 60 " | bc)
+tst_resm TINFO "estimate time $est_time min"
+
+for type in $lock_type; do
+
+ tst_resm TINFO "$type: running $test_time sec..."
+
+ modprobe locktorture torture_type=$type \
+ > /dev/null 2>&1 || tst_brkm TBROK "failed to load module"
+
+ sleep $test_time
+
+ rmmod locktorture > /dev/null 2>&1 || \
+ tst_brkm TBROK "failed to unload module"
+
+ # check module status in dmesg
+ result_str=`dmesg | sed -nE '$s/.*End of test: ([A-Z]+):.*/\1/p'`
+ if [ "$result_str" = "SUCCESS" ]; then
+ tst_resm TPASS "$type: completed"
+ else
+ tst_resm TFAIL "$type: $result_str, see dmesg"
+ fi
+done
+
+tst_exit
--
1.7.1
------------------------------------------------------------------------------
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