mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 12:09:58 +00:00
3be2024aef
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20191107163708.833192-22-mreitz@redhat.com [mreitz: Also disable 273] Signed-off-by: Max Reitz <mreitz@redhat.com>
178 lines
6.2 KiB
Bash
Executable File
178 lines
6.2 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
#
|
|
# Commit changes into backing chains and empty the top image if the
|
|
# backing image is not explicitly specified.
|
|
#
|
|
# Variant of 097, which includes snapshots and persistent bitmaps, to
|
|
# tickle the slow codepath in qcow2. See also 198, for another feature
|
|
# that tickles the slow codepath.
|
|
#
|
|
# Copyright (C) 2014, 2017 Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
# creator
|
|
owner=mreitz@redhat.com
|
|
|
|
seq="$(basename $0)"
|
|
echo "QA output created by $seq"
|
|
|
|
status=1 # failure is the default!
|
|
|
|
_cleanup()
|
|
{
|
|
_cleanup_test_img
|
|
_rm_test_img "$TEST_IMG.itmd"
|
|
}
|
|
trap "_cleanup; exit \$status" 0 1 2 3 15
|
|
|
|
# get standard environment, filters and checks
|
|
. ./common.rc
|
|
. ./common.filter
|
|
. ./common.pattern
|
|
|
|
# This test is specific to qcow2
|
|
_supported_fmt qcow2
|
|
_supported_proto file
|
|
_supported_os Linux
|
|
# Persistent dirty bitmaps require compat=1.1;
|
|
# Internal snapshots forbid using an external data file
|
|
# (they work with refcount_bits=1 here, though, because there actually
|
|
# is no data when creating the snapshot)
|
|
_unsupported_imgopts 'compat=0.10' data_file
|
|
|
|
run_qemu()
|
|
{
|
|
$QEMU -nographic -qmp stdio -serial none "$@" 2>&1 \
|
|
| _filter_testdir | _filter_qmp | _filter_qemu \
|
|
| sed 's/"sha256": ".\{64\}"/"sha256": HASH/'
|
|
}
|
|
|
|
for reason in snapshot bitmap; do
|
|
|
|
# Four passes:
|
|
# 0: Two-layer backing chain, commit to upper backing file (implicitly)
|
|
# (in this case, the top image will be emptied)
|
|
# 1: Two-layer backing chain, commit to upper backing file (explicitly)
|
|
# (in this case, the top image will implicitly stay unchanged)
|
|
# 2: Two-layer backing chain, commit to upper backing file (implicitly with -d)
|
|
# (in this case, the top image will explicitly stay unchanged)
|
|
# 3: Two-layer backing chain, commit to lower backing file
|
|
# (in this case, the top image will implicitly stay unchanged)
|
|
#
|
|
# 020 already tests committing, so this only tests whether image chains are
|
|
# working properly and that all images above the base are emptied; therefore,
|
|
# no complicated patterns are necessary. Check near the 2G mark, as qcow2
|
|
# has been buggy at that boundary in the past.
|
|
for i in 0 1 2 3; do
|
|
|
|
echo
|
|
echo "=== Test pass $reason.$i ==="
|
|
echo
|
|
|
|
len=$((2100 * 1024 * 1024 + 512)) # larger than 2G, and not cluster aligned
|
|
TEST_IMG="$TEST_IMG.base" _make_test_img $len
|
|
TEST_IMG="$TEST_IMG.itmd" _make_test_img -b "$TEST_IMG.base" $len
|
|
_make_test_img -b "$TEST_IMG.itmd" $len
|
|
# Update the top image to use a feature that is incompatible with fast path
|
|
case $reason in
|
|
snapshot) $QEMU_IMG snapshot -c snap "$TEST_IMG" ;;
|
|
bitmap)
|
|
run_qemu <<EOF
|
|
{ "execute": "qmp_capabilities" }
|
|
{ "execute": "blockdev-add",
|
|
"arguments": { "driver": "qcow2", "node-name": "drive0",
|
|
"file": { "driver": "file", "filename": "$TEST_IMG" } } }
|
|
{ "execute": "block-dirty-bitmap-add",
|
|
"arguments": { "node": "drive0", "name": "bitmap0",
|
|
"persistent": true } }
|
|
{ "execute": "quit" }
|
|
EOF
|
|
;;
|
|
esac
|
|
|
|
$QEMU_IO -c "write -P 1 0x7ffd0000 192k" "$TEST_IMG.base" | _filter_qemu_io
|
|
$QEMU_IO -c "write -P 2 0x7ffe0000 128k" "$TEST_IMG.itmd" | _filter_qemu_io
|
|
$QEMU_IO -c "write -P 3 0x7fff0000 64k" "$TEST_IMG" | _filter_qemu_io
|
|
$QEMU_IO -c "write -P 4 $(($len - 512)) 512" "$TEST_IMG" | _filter_qemu_io
|
|
|
|
if [ $i -lt 3 ]; then
|
|
if [ $i == 0 ]; then
|
|
# -b "$TEST_IMG.itmd" should be the default (that is, committing to the
|
|
# first backing file in the chain)
|
|
$QEMU_IMG commit "$TEST_IMG"
|
|
elif [ $i == 1 ]; then
|
|
# explicitly specify the commit target (this should imply -d)
|
|
$QEMU_IMG commit -b "$TEST_IMG.itmd" "$TEST_IMG"
|
|
else
|
|
# do not explicitly specify the commit target, but use -d to leave the
|
|
# top image unchanged
|
|
$QEMU_IMG commit -d "$TEST_IMG"
|
|
fi
|
|
|
|
# Bottom should be unchanged
|
|
$QEMU_IO -c 'read -P 1 0x7ffd0000 192k' "$TEST_IMG.base" | _filter_qemu_io
|
|
$QEMU_IO -c "read -P 0 $((len - 512)) 512" "$TEST_IMG.base" | _filter_qemu_io
|
|
|
|
# Intermediate should contain changes from top
|
|
$QEMU_IO -c 'read -P 1 0x7ffd0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
|
|
$QEMU_IO -c 'read -P 2 0x7ffe0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
|
|
$QEMU_IO -c 'read -P 3 0x7fff0000 64k' "$TEST_IMG.itmd" | _filter_qemu_io
|
|
$QEMU_IO -c "read -P 4 $((len - 512)) 512" "$TEST_IMG.itmd" | _filter_qemu_io
|
|
|
|
# And in pass 0, the top image should be empty, whereas in both other passes
|
|
# it should be unchanged (which is both checked by qemu-img map)
|
|
else
|
|
$QEMU_IMG commit -b "$TEST_IMG.base" "$TEST_IMG"
|
|
|
|
# Bottom should contain all changes
|
|
$QEMU_IO -c 'read -P 1 0x7ffd0000 64k' "$TEST_IMG.base" | _filter_qemu_io
|
|
$QEMU_IO -c 'read -P 2 0x7ffe0000 64k' "$TEST_IMG.base" | _filter_qemu_io
|
|
$QEMU_IO -c 'read -P 3 0x7fff0000 64k' "$TEST_IMG.base" | _filter_qemu_io
|
|
$QEMU_IO -c "read -P 4 $((len - 512)) 512" "$TEST_IMG.base" | _filter_qemu_io
|
|
|
|
# Both top and intermediate should be unchanged
|
|
fi
|
|
|
|
$QEMU_IMG map "$TEST_IMG.base" | _filter_qemu_img_map
|
|
$QEMU_IMG map "$TEST_IMG.itmd" | _filter_qemu_img_map
|
|
$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
|
|
|
|
# Check that the reason for slow path is still present, as appropriate
|
|
case $reason in
|
|
snapshot)
|
|
$QEMU_IMG snapshot -l "$TEST_IMG" |
|
|
sed 's/^\(.\{20\}\).*/\1/; s/ *$//' ;;
|
|
bitmap)
|
|
run_qemu <<EOF
|
|
{ "execute": "qmp_capabilities" }
|
|
{ "execute": "blockdev-add",
|
|
"arguments": { "driver": "qcow2", "node-name": "drive0",
|
|
"file": { "driver": "file", "filename": "$TEST_IMG" } } }
|
|
{ "execute": "x-debug-block-dirty-bitmap-sha256",
|
|
"arguments": { "node": "drive0", "name": "bitmap0" } }
|
|
{ "execute": "quit" }
|
|
EOF
|
|
;;
|
|
esac
|
|
|
|
done
|
|
done
|
|
|
|
# success, all done
|
|
echo "*** done"
|
|
rm -f $seq.full
|
|
status=0
|