1#!/bin/sh 2# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 3# 4# This program is free software; you can redistribute it and/or 5# modify it under the terms of the GNU General Public License as 6# published by the Free Software Foundation; either version 2 of 7# the License, or (at your option) any later version. 8# 9# This program is distributed in the hope that it would be useful, 10# but WITHOUT ANY WARRANTY; without even the implied warranty of 11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12# GNU General Public License for more details. 13# 14# You should have received a copy of the GNU General Public License 15# along with this program; if not, write the Free Software Foundation, 16# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17# 18# Author: Alexey Kodanev <alexey.kodanev@oracle.com> 19# 20# This is a wrapper for locktorture kernel module. The test requiers 21# that kernel configured with CONFIG_LOCK_TORTURE_TEST. It runs locktorture 22# module using particular options and then inspects dmesg output for module's 23# test results. For more information, please read Linux Documentation: 24# locking/locktorture.txt 25 26TCID="lock_torture" 27TST_TOTAL=6 28TST_CLEANUP=cleanup 29. test.sh 30 31# default options 32test_time=60 33 34while getopts :ht: opt; do 35 case "$opt" in 36 h) 37 echo "Usage:" 38 echo "h help" 39 echo "t x time in seconds for each test-case" 40 exit 0 41 ;; 42 t) test_time=$OPTARG ;; 43 *) 44 tst_brkm TBROK "unknown option: $opt" 45 ;; 46 esac 47done 48 49cleanup() 50{ 51 tst_resm TINFO "cleanup" 52 rmmod locktorture > /dev/null 2>&1 53} 54 55if tst_kvcmp -lt "3.18"; then 56 tst_brkm TCONF "test must be run with kernel 3.18 or newer" 57fi 58 59tst_require_root 60 61# check if module is present 62modprobe locktorture > /dev/null 2>&1 || \ 63 tst_brkm TCONF "Test requires locktorture module" 64rmmod locktorture > /dev/null 2>&1 65 66trap cleanup INT 67 68lock_type="spin_lock spin_lock_irq rw_lock rw_lock_irq mutex_lock rwsem_lock" 69 70est_time=$(echo "scale=2; $test_time * $TST_TOTAL / 60 " | bc) 71tst_resm TINFO "estimate time $est_time min" 72 73for type in $lock_type; do 74 75 tst_resm TINFO "$type: running $test_time sec..." 76 77 modprobe locktorture torture_type=$type \ 78 > /dev/null 2>&1 || tst_brkm TBROK "failed to load module" 79 80 sleep $test_time 81 82 rmmod locktorture > /dev/null 2>&1 || \ 83 tst_brkm TBROK "failed to unload module" 84 85 # check module status in dmesg 86 result_str=`dmesg | sed -nE '$s/.*End of test: ([A-Z]+):.*/\1/p'` 87 if [ "$result_str" = "SUCCESS" ]; then 88 tst_resm TPASS "$type: completed" 89 else 90 tst_resm TFAIL "$type: $result_str, see dmesg" 91 fi 92done 93 94tst_exit 95