cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

035 (1659B)


      1#!/usr/bin/env bash
      2# group: rw auto quick
      3#
      4# Let a few AIO requests run in parallel and have them access different L2
      5# tables so that the cache has a chance to get used up.
      6#
      7# Copyright (C) 2012 Red Hat, Inc.
      8#
      9# This program is free software; you can redistribute it and/or modify
     10# it under the terms of the GNU General Public License as published by
     11# the Free Software Foundation; either version 2 of the License, or
     12# (at your option) any later version.
     13#
     14# This program is distributed in the hope that it will be useful,
     15# but WITHOUT ANY WARRANTY; without even the implied warranty of
     16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17# GNU General Public License for more details.
     18#
     19# You should have received a copy of the GNU General Public License
     20# along with this program.  If not, see <http://www.gnu.org/licenses/>.
     21#
     22
     23# creator
     24owner=kwolf@redhat.com
     25
     26seq=`basename $0`
     27echo "QA output created by $seq"
     28
     29status=1	# failure is the default!
     30
     31_cleanup()
     32{
     33	_cleanup_test_img
     34}
     35trap "_cleanup; exit \$status" 0 1 2 3 15
     36
     37# get standard environment, filters and checks
     38. ./common.rc
     39. ./common.filter
     40
     41_supported_fmt qcow2
     42_supported_proto generic
     43
     44
     45size=6G
     46CLUSTER_SIZE=512
     47
     48echo
     49echo "creating image"
     50_make_test_img $size
     51
     52generate_requests() {
     53    for ((i=0;i<=63;i++)); do
     54        echo "aio_write ${i}M 512"
     55        echo "aio_write ${i}M 512"
     56        echo "aio_write ${i}M 512"
     57    done
     58}
     59
     60generate_requests | $QEMU_IO "$TEST_IMG" | _filter_qemu_io |\
     61	sed -e 's/bytes at offset [0-9]*/bytes at offset XXX/g'
     62
     63echo
     64echo "checking image for errors"
     65_check_test_img
     66
     67# success, all done
     68echo "*** done"
     69rm -f $seq.full
     70status=0