1 #!/bin/bash 2 3 # Flood memory bus by pounding on the CPU... 4 5 # Copyright (C) 2003-2006 IBM 6 # 7 # This program is free software; you can redistribute it and/or 8 # modify it under the terms of the GNU General Public License as 9 # published by the Free Software Foundation; either version 2 of the 10 # License, or (at your option) any later version. 11 # 12 # This program is distributed in the hope that it will be useful, but 13 # WITHOUT ANY WARRANTY; without even the implied warranty of 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 # General Public License for more details. 16 # 17 # You should have received a copy of the GNU General Public License 18 # along with this program; if not, write to the Free Software 19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 20 # 02111-1307, USA. 21 22 23 # Try to find memxfer5b on the system 24 MEMXFER5B=`ls $POUNDER_SRCDIR/memxfer5b/memxfer5b` 25 if [ -z "$MEMXFER5B" ]; then 26 echo "Cannot find memxfer5b; did you run Install?" 27 exit -1 28 fi 29 30 # How much RAM do we have? 31 RAM=`cat /proc/meminfo | grep MemTotal | awk -F " " '{print $2}'` 32 MEM_BLOB=`expr $RAM \* 32` # convert to KB and then divide by 32 33 34 # Run this test ten times. 35 TIMES=0 36 while [ $TIMES -lt 2 ]; do 37 "$MEMXFER5B" -s -p $MEM_BLOB 10 0 1 2 3 4 5 6 38 TIMES=$((TIMES + 1)) 39 done 40 41 # No output; if system stays up, we pass. 42 exit 0 43