xref: /openbmc/qemu/tests/qemu-iotests/190 (revision 9b45a025)
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
23owner=eblake@redhat.com
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1    # failure is the default!
29
30_cleanup()
31{
32    _cleanup_test_img
33    _rm_test_img "$TEST_IMG.converted"
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. ./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
48echo "== Huge file without bitmaps =="
49echo
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
57echo
58echo "== Huge file with bitmaps =="
59echo
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 "$TEST_IMG"
74
75# Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
76echo
77val2T=$((2*1024*1024*1024*1024))
78cluster=$((64*1024))
79b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
80b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
81echo 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 "$TEST_IMG"
87
88# Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
89echo
90cluster=$((2*1024*1024))
91b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
92b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
93echo 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
101echo "*** done"
102rm -f $seq.full
103status=0
104