190 (3517B)
1 #!/usr/bin/env bash 2 # group: rw auto quick 3 # 4 # qemu-img measure sub-command tests on huge qcow2 files 5 # 6 # Copyright (C) 2017-2020 Red Hat, Inc. 7 # 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. 12 # 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. 17 # 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/>. 20 # 21 22 # creator 23 owner=eblake@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _cleanup_test_img 33 _rm_test_img "$TEST_IMG.converted" 34 } 35 trap "_cleanup; exit \$status" 0 1 2 3 15 36 37 # get standard environment, filters and checks 38 . ./common.rc 39 . ./common.filter 40 . ./common.pattern 41 42 # See 178 for more extensive tests across more formats 43 _supported_fmt qcow2 44 _supported_proto file 45 # compat=0.10 does not support bitmaps 46 _unsupported_imgopts 'compat=0.10' 47 48 echo "== Huge file without bitmaps ==" 49 echo 50 51 _make_test_img -o 'cluster_size=2M' 2T 52 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" 56 57 echo 58 echo "== Huge file with bitmaps ==" 59 echo 60 61 $QEMU_IMG bitmap --add --granularity 512 -f qcow2 "$TEST_IMG" b1 62 $QEMU_IMG bitmap --add -g 2M -f qcow2 "$TEST_IMG" b2 63 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" 74 75 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory 76 echo 77 val2T=$((2*1024*1024*1024*1024)) 78 cluster=$((64*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 + 85 cluster)) 86 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG" 87 88 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory 89 echo 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 + 97 cluster)) 98 $QEMU_IMG measure --output=json -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG" 99 100 # success, all done 101 echo "*** done" 102 rm -f $seq.full 103 status=0