4 # qemu-img measure sub-command tests on huge qcow2 files
6 # Copyright (C) 2017-2020 Red Hat, Inc.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
23 owner=eblake@redhat.com
26 echo "QA output created by $seq"
28 status=1 # failure is the default!
33 _rm_test_img "$TEST_IMG.converted"
35 trap "_cleanup; exit \$status" 0 1 2 3 15
37 # get standard environment, filters and checks
42 # See 178 for more extensive tests across more formats
45 # compat=0.10 does not support bitmaps
46 _unsupported_imgopts 'compat=0.10'
48 echo "== Huge file without bitmaps =="
51 _make_test_img -o 'cluster_size=2M' 2T
53 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
54 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
55 $QEMU_IMG measure -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
58 echo "== Huge file with bitmaps =="
61 $QEMU_IMG bitmap --add --granularity 512 -f qcow2 "$TEST_IMG" b1
62 $QEMU_IMG bitmap --add -g 2M -f qcow2 "$TEST_IMG" b2
64 # No bitmap without a source
65 $QEMU_IMG measure -O qcow2 --size 10M
66 # No bitmap output, since raw does not support it
67 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
68 # No bitmap output, since no bitmaps on raw source. Munge required size, as
69 # some filesystems store the qcow2 file with less sparseness than others
70 $QEMU_IMG measure -O qcow2 -f raw "$TEST_IMG" |
71 sed '/^required size:/ s/[0-9][0-9]*/SIZE/'
72 # No bitmap output, since v2 does not support it
73 $QEMU_IMG measure -O qcow2 -o compat=0.10 -f qcow2 "$TEST_IMG"
75 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
77 val2T=$((2*1024*1024*1024*1024))
79 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
80 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
81 echo expected bitmap $((b1clusters * cluster +
82 (b1clusters * 8 + cluster - 1) / cluster * cluster +
83 b2clusters * cluster +
84 (b2clusters * 8 + cluster - 1) / cluster * cluster +
86 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
88 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
90 cluster=$((2*1024*1024))
91 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
92 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
93 echo expected bitmap $((b1clusters * cluster +
94 (b1clusters * 8 + cluster - 1) / cluster * cluster +
95 b2clusters * cluster +
96 (b2clusters * 8 + cluster - 1) / cluster * cluster +
98 $QEMU_IMG measure --output=json -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"