#!/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 # # This is a wrapper for locktorture kernel module. The test requires # 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=6 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: $opt" ;; esac done cleanup() { tst_resm TINFO "cleanup" rmmod locktorture > /dev/null 2>&1 } if tst_kvcmp -lt "3.18"; then tst_brkm TCONF "test must be run with kernel 3.18 or newer" fi tst_require_root # check if module is present modprobe locktorture > /dev/null 2>&1 || \ tst_brkm TCONF "Test requires locktorture module" rmmod locktorture > /dev/null 2>&1 trap cleanup INT lock_type="spin_lock spin_lock_irq rw_lock rw_lock_irq mutex_lock rwsem_lock" est_time=$(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