qemu-iotests: Test pwritev RMW logic

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2014-01-14 15:37:03 +01:00
parent cd33d02a10
commit 9e1cb96d9a
6 changed files with 504 additions and 0 deletions

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@ -3141,10 +3141,13 @@ static int coroutine_fn bdrv_aligned_pwritev(BlockDriverState *bs,
if (ret < 0) {
/* Do nothing, write notifier decided to fail this request */
} else if (flags & BDRV_REQ_ZERO_WRITE) {
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_ZERO);
ret = bdrv_co_do_write_zeroes(bs, sector_num, nb_sectors, flags);
} else {
BLKDBG_EVENT(bs, BLKDBG_PWRITEV);
ret = drv->bdrv_co_writev(bs, sector_num, nb_sectors, qiov);
}
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_DONE);
if (ret == 0 && !bs->enable_write_cache) {
ret = bdrv_co_flush(bs);
@ -3215,11 +3218,13 @@ static int coroutine_fn bdrv_co_do_pwritev(BlockDriverState *bs,
};
qemu_iovec_init_external(&head_qiov, &head_iov, 1);
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_RMW_HEAD);
ret = bdrv_aligned_preadv(bs, &req, offset & ~(align - 1), align,
align, &head_qiov, 0);
if (ret < 0) {
goto fail;
}
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_RMW_AFTER_HEAD);
qemu_iovec_init(&local_qiov, qiov->niov + 2);
qemu_iovec_add(&local_qiov, head_buf, offset & (align - 1));
@ -3247,11 +3252,13 @@ static int coroutine_fn bdrv_co_do_pwritev(BlockDriverState *bs,
};
qemu_iovec_init_external(&tail_qiov, &tail_iov, 1);
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_RMW_TAIL);
ret = bdrv_aligned_preadv(bs, &req, (offset + bytes) & ~(align - 1), align,
align, &tail_qiov, 0);
if (ret < 0) {
goto fail;
}
BLKDBG_EVENT(bs, BLKDBG_PWRITEV_RMW_AFTER_TAIL);
if (!use_local_qiov) {
qemu_iovec_init(&local_qiov, qiov->niov + 1);

View File

@ -186,6 +186,14 @@ static const char *event_names[BLKDBG_EVENT_MAX] = {
[BLKDBG_FLUSH_TO_OS] = "flush_to_os",
[BLKDBG_FLUSH_TO_DISK] = "flush_to_disk",
[BLKDBG_PWRITEV_RMW_HEAD] = "pwritev_rmw.head",
[BLKDBG_PWRITEV_RMW_AFTER_HEAD] = "pwritev_rmw.after_head",
[BLKDBG_PWRITEV_RMW_TAIL] = "pwritev_rmw.tail",
[BLKDBG_PWRITEV_RMW_AFTER_TAIL] = "pwritev_rmw.after_tail",
[BLKDBG_PWRITEV] = "pwritev",
[BLKDBG_PWRITEV_ZERO] = "pwritev_zero",
[BLKDBG_PWRITEV_DONE] = "pwritev_done",
};
static int get_event_by_name(const char *name, BlkDebugEvent *event)

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@ -527,6 +527,14 @@ typedef enum {
BLKDBG_FLUSH_TO_OS,
BLKDBG_FLUSH_TO_DISK,
BLKDBG_PWRITEV_RMW_HEAD,
BLKDBG_PWRITEV_RMW_AFTER_HEAD,
BLKDBG_PWRITEV_RMW_TAIL,
BLKDBG_PWRITEV_RMW_AFTER_TAIL,
BLKDBG_PWRITEV,
BLKDBG_PWRITEV_ZERO,
BLKDBG_PWRITEV_DONE,
BLKDBG_EVENT_MAX,
} BlkDebugEvent;

278
tests/qemu-iotests/077 Executable file
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@ -0,0 +1,278 @@
#!/bin/bash
#
# Test concurrent pread/pwrite
#
# Copyright (C) 2014 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=kwolf@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
_supported_fmt generic
_supported_proto generic
_supported_os Linux
CLUSTER_SIZE=4k
size=128M
_make_test_img $size
echo
echo "== Some concurrent requests involving RMW =="
function test_io()
{
echo "open -o file.align=4k blkdebug::$TEST_IMG"
# A simple RMW request
cat <<EOF
aio_write -P 10 0x200 0x200
aio_flush
EOF
# Sequential RMW requests on the same physical sector
off=0x1000
for ev in "head" "after_head" "tail" "after_tail"; do
cat <<EOF
break pwritev_rmw.$ev A
aio_write -P 10 $((off + 0x200)) 0x200
wait_break A
aio_write -P 11 $((off + 0x400)) 0x200
sleep 100
resume A
aio_flush
EOF
off=$((off + 0x1000))
done
# Chained dependencies
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0x5000 0x200
wait_break A
aio_write -P 11 0x5200 0x200
aio_write -P 12 0x5400 0x200
aio_write -P 13 0x5600 0x200
aio_write -P 14 0x5800 0x200
aio_write -P 15 0x5a00 0x200
aio_write -P 16 0x5c00 0x200
aio_write -P 17 0x5e00 0x200
sleep 100
resume A
aio_flush
EOF
# Overlapping multiple requests
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0x6000 0x200
wait_break A
break pwritev_rmw.after_head B
aio_write -P 10 0x7e00 0x200
wait_break B
aio_write -P 11 0x6800 0x1000
resume A
sleep 100
resume B
aio_flush
EOF
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0x8000 0x200
wait_break A
break pwritev_rmw.after_head B
aio_write -P 10 0x9e00 0x200
wait_break B
aio_write -P 11 0x8800 0x1000
resume B
sleep 100
resume A
aio_flush
EOF
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0xa000 0x200
wait_break A
aio_write -P 11 0xa800 0x1000
break pwritev_rmw.after_head B
aio_write -P 10 0xbe00 0x200
wait_break B
resume A
sleep 100
resume B
aio_flush
EOF
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0xc000 0x200
wait_break A
aio_write -P 11 0xc800 0x1000
break pwritev_rmw.after_head B
aio_write -P 10 0xde00 0x200
wait_break B
resume B
sleep 100
resume A
aio_flush
EOF
# Only RMW for the tail part
cat <<EOF
break pwritev_rmw.after_tail A
aio_write -P 10 0xe000 0x1800
wait_break A
aio_write -P 11 0xf000 0xc00
sleep 100
resume A
aio_flush
EOF
cat <<EOF
break pwritev A
aio_write -P 10 0x10000 0x800
wait_break A
break pwritev_rmw.after_tail B
aio_write -P 11 0x10000 0x400
break pwritev_done C
resume A
wait_break C
resume C
sleep 100
wait_break B
resume B
aio_flush
EOF
cat <<EOF
break pwritev A
aio_write -P 10 0x11000 0x800
wait_break A
aio_write -P 11 0x11000 0x1000
sleep 100
resume A
aio_flush
EOF
}
test_io | $QEMU_IO | _filter_qemu_io | \
sed -e 's,[0-9/]* bytes at offset [0-9]*,XXX/XXX bytes at offset XXX,g' \
-e 's/^[0-9]* \(bytes\|KiB\)/XXX bytes/' \
-e '/Suspended/d'
echo
echo "== Verify image content =="
function verify_io()
{
# A simple RMW request
echo read -P 0 0 0x200
echo read -P 10 0x200 0x200
echo read -P 0 0x400 0xc00
# Sequential RMW requests on the same physical sector
echo read -P 0 0x1000 0x200
echo read -P 10 0x1200 0x200
echo read -P 11 0x1400 0x200
echo read -P 0 0x1600 0xa00
echo read -P 0 0x2000 0x200
echo read -P 10 0x2200 0x200
echo read -P 11 0x2400 0x200
echo read -P 0 0x2600 0xa00
echo read -P 0 0x3000 0x200
echo read -P 10 0x3200 0x200
echo read -P 11 0x3400 0x200
echo read -P 0 0x3600 0xa00
echo read -P 0 0x4000 0x200
echo read -P 10 0x4200 0x200
echo read -P 11 0x4400 0x200
echo read -P 0 0x4600 0xa00
# Chained dependencies
echo read -P 10 0x5000 0x200
echo read -P 11 0x5200 0x200
echo read -P 12 0x5400 0x200
echo read -P 13 0x5600 0x200
echo read -P 14 0x5800 0x200
echo read -P 15 0x5a00 0x200
echo read -P 16 0x5c00 0x200
echo read -P 17 0x5e00 0x200
# Overlapping multiple requests
echo read -P 10 0x6000 0x200
echo read -P 0 0x6200 0x600
echo read -P 11 0x6800 0x1000
echo read -P 0 0x7800 0x600
echo read -P 10 0x7e00 0x200
echo read -P 10 0x8000 0x200
echo read -P 0 0x8200 0x600
echo read -P 11 0x8800 0x1000
echo read -P 0 0x9800 0x600
echo read -P 10 0x9e00 0x200
echo read -P 10 0xa000 0x200
echo read -P 0 0xa200 0x600
echo read -P 11 0xa800 0x1000
echo read -P 0 0xb800 0x600
echo read -P 10 0xbe00 0x200
echo read -P 10 0xc000 0x200
echo read -P 0 0xc200 0x600
echo read -P 11 0xc800 0x1000
echo read -P 0 0xd800 0x600
echo read -P 10 0xde00 0x200
# Only RMW for the tail part
echo read -P 10 0xe000 0x1000
echo read -P 11 0xf800 0x400
echo read -P 0 0xfc00 0x400
echo read -P 11 0x10000 0x400
echo read -P 10 0x10400 0x400
echo read -P 11 0x11800 0x800
}
verify_io | $QEMU_IO "$TEST_IMG" | _filter_qemu_io
_check_test_img
# success, all done
echo "*** done"
rm -f $seq.full
status=0

202
tests/qemu-iotests/077.out Normal file
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@ -0,0 +1,202 @@
QA output created by 077
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
== Some concurrent requests involving RMW ==
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
blkdebug: Resuming request 'C'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'B'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
blkdebug: Resuming request 'A'
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote XXX/XXX bytes at offset XXX
XXX bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
== Verify image content ==
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 512
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 3072/3072 bytes at offset 1024
3 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 4096
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 4608
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 5120
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2560/2560 bytes at offset 5632
2.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 8192
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 8704
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 9216
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2560/2560 bytes at offset 9728
2.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 12288
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 12800
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 13312
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2560/2560 bytes at offset 13824
2.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 16384
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 16896
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 17408
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2560/2560 bytes at offset 17920
2.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 20480
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 20992
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 21504
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 22016
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 22528
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 23040
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 23552
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 24064
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 24576
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 25088
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 26624
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 30720
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 32256
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 32768
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 33280
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 34816
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 38912
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 40448
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 40960
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 41472
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 43008
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 47104
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 48640
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 49152
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 49664
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 51200
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1536/1536 bytes at offset 55296
1.500 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 56832
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 4096/4096 bytes at offset 57344
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 63488
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 64512
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 65536
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 1024/1024 bytes at offset 66560
1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 2048/2048 bytes at offset 71680
2 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
No errors were found on the image.
*** done

View File

@ -81,3 +81,4 @@
072 rw auto
073 rw auto
074 rw auto
077 rw auto