scripts/kvm/kvm_stat: Cleanup and pre-init perf_event_attr
[qemu.git] / tests / qemu-iotests / 066
blob1c2452b0c5bf24cb2487f201597dcdbeaa47bd7a
1 #!/bin/bash
3 # Test case for discarding preallocated zero clusters in qcow2
5 # Copyright (C) 2013 Red Hat, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 # creator
22 owner=mreitz@redhat.com
24 seq="$(basename $0)"
25 echo "QA output created by $seq"
27 here="$PWD"
28 tmp=/tmp/$$
29 status=1 # failure is the default!
31 _cleanup()
33 _cleanup_test_img
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
38 . ./common.rc
39 . ./common.filter
41 # This tests qocw2-specific low-level functionality
42 _supported_fmt qcow2
43 _supported_proto generic
44 _supported_os Linux
46 IMGOPTS="compat=1.1"
47 IMG_SIZE=64M
49 echo
50 echo "=== Testing snapshotting an image with zero clusters ==="
51 echo
52 _make_test_img $IMG_SIZE
53 # Write some normal clusters, zero them (creating preallocated zero clusters)
54 # and discard those
55 $QEMU_IO -c "write 0 256k" -c "write -z 0 256k" -c "discard 0 256k" "$TEST_IMG" \
56 | _filter_qemu_io
57 # Check the image (there shouldn't be any leaks)
58 _check_test_img
60 # success, all done
61 echo "*** done"
62 rm -f $seq.full
63 status=0