1#!/bin/sh 2 3# 4# Copyright (c) 2016 EMC Corp. 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Demonstrate rpc memory leak when remote lockd & statd are not running. 30 31[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1 32 33. ../default.cfg 34 35pgrep -q lockd || { echo "lockd not running."; exit 0; } 36 37[ -z "$nfs_export" ] && exit 0 38ping -c 2 `echo $nfs_export | sed 's/:.*//'` > /dev/null 2>&1 || 39 exit 0 40mount -t nfs -o tcp -o nfsv3 -o retrycnt=1 -o soft,timeout=1 \ 41 -o rw $nfs_export $mntpoint || exit 0 42 43lockf -t 10 $mntpoint/$$.lock sleep 2 > /tmp/$$.log 2>&1 44if grep -q "No locks available" /tmp/$$.log; then 45 echo "Is lockd running on the remote host?" 46 rm /tmp/$$.log 47fi 48 49rpc1=`vmstat -m | grep rpc | tail -1 | awk '{print $2}'` 50start=`date '+%s'` 51while [ $((`date '+%s'` - start)) -lt 60 ]; do 52 for i in `jot 10`; do 53 rm -f $mntpoint/$0.$$.$i 54 lockf -t 10 $mntpoint/$0.$$.$i sleep 2 & 55 done 56 wait 57done 58rm -f $mntpoint/$0.$$* 59 60s=0 61for i in `jot 6`; do 62 umount $mntpoint && break || sleep 10 63done 64[ $i -eq 6 ] && s=1 65rpc2=`vmstat -m | grep rpc | tail -1 | awk '{print $2}'` 66if [ $((rpc2 - rpc1)) -gt 2 ]; then 67 echo "rpc memory leak. Was $rpc1, is $rpc2" 68 s=2 69fi 70exit $s 71