consider more cases in parsing qemu-io output
[qemu-iotests/stefanha.git] / common.pattern
blobc2b84b8f4854b8dab3b730750155582b7e45583c
1 #!/bin/bash
3 # Copyright (C) 2009 Red Hat, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 function do_is_allocated() {
20 local start=$1
21 local size=$(( $2 / 512))
22 local step=$3
23 local count=$4
25 for i in `seq 1 $count`; do
26 echo alloc $(( start + i * step )) $size
27 done
30 function is_allocated() {
31 do_is_allocated "$@" | $QEMU_IO $TEST_IMG | _filter_qemu_io
34 function do_io() {
35 local op=$1
36 local start=$2
37 local size=$3
38 local step=$4
39 local count=$5
40 local pattern=$6
42 echo === IO: pattern $pattern >&2
43 for i in `seq 1 $count`; do
44 echo $op -P $pattern $(( start + i * step )) $size
45 done
48 function io_pattern() {
49 do_io "$@" | $QEMU_IO $TEST_IMG | _filter_qemu_io
52 function io() {
53 local start=$2
54 local pattern=$(( (start >> 9) % 256 ))
56 do_io "$@" $pattern | $QEMU_IO $TEST_IMG | _filter_qemu_io
59 function io_zero() {
60 do_io "$@" 0 | $QEMU_IO $TEST_IMG | _filter_qemu_io
63 function io_test() {
64 local op=$1
65 local offset=$2
66 local cluster_size=$3
68 local num_large=$4
69 local num_medium=$((num_large * num_large))
70 local num_small=$((4 * num_medium))
72 local half_cluster=$((cluster_size / 2))
73 local quarter_cluster=$((cluster_size / 4))
74 local l2_size=$((cluster_size * cluster_size / 8))
76 # Complete clusters
77 io "$op" $offset $cluster_size $cluster_size $num_small
78 offset=$((offset + num_small * $cluster_size))
80 # From somewhere in the middle to the end of a cluster
81 io "$op" $((offset + $half_cluster)) $half_cluster $cluster_size $num_small
82 offset=$((offset + num_small * $cluster_size))
84 # From the start to somewhere in the middle of a cluster
85 io "$op" $offset $half_cluster $cluster_size $num_small
86 offset=$((offset + num_small * $cluster_size))
88 # Completely misaligned (and small)
89 io "$op" $((offset + $quarter_cluster)) $half_cluster $cluster_size $num_small
90 offset=$((offset + num_small * $cluster_size))
92 # Spanning multiple clusters
93 io "$op" $((offset + $half_cluster)) $((cluster_size * 2)) $((cluster_size * 3)) $num_medium
94 offset=$((offset + num_medium * 3 * $cluster_size))
96 # Spanning multiple L2 tables
97 # L2 table size: 512 clusters of 4k = 2M
98 offset=$(( ((offset + l2_size - 1) & ~(l2_size - 1)) - (3 * half_cluster) ))
99 io "$op" $offset $((6 * half_cluster)) $(( l2_size + half_cluster )) $num_large
100 offset=$((offset + num_large * ( l2_size + half_cluster )))
103 function io_test2() {
104 local orig_offset=$1
105 local cluster_size=$2
106 local num=$3
108 # Pattern (repeat after 9 clusters):
109 # used - used - free - used - compressed - compressed -
110 # free - free - compressed
112 # Write the clusters to be compressed
113 echo === Clusters to be compressed [1]
114 io_pattern writev $((offset + 4 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
115 echo === Clusters to be compressed [2]
116 io_pattern writev $((offset + 5 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
117 echo === Clusters to be compressed [3]
118 io_pattern writev $((offset + 8 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
120 mv $TEST_IMG $TEST_IMG.orig
121 $QEMU_IMG convert -f $IMGFMT -O $IMGFMT -c $TEST_IMG.orig $TEST_IMG
123 # Write the used clusters
124 echo === Used clusters [1]
125 io_pattern writev $((offset + 0 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
126 echo === Used clusters [2]
127 io_pattern writev $((offset + 1 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
128 echo === Used clusters [3]
129 io_pattern writev $((offset + 3 * $cluster_size)) $cluster_size $((9 * $cluster_size)) $num 165
131 # Read them
132 echo === Read used/compressed clusters
133 io_pattern readv $((offset + 0 * $cluster_size)) $((2 * $cluster_size)) $((9 * $cluster_size)) $num 165
134 io_pattern readv $((offset + 3 * $cluster_size)) $((3 * $cluster_size)) $((9 * $cluster_size)) $num 165
135 io_pattern readv $((offset + 8 * $cluster_size)) $((1 * $cluster_size)) $((9 * $cluster_size)) $num 165
137 echo === Read zeros
138 io_zero readv $((offset + 2 * $cluster_size)) $((1 * $cluster_size)) $((9 * $cluster_size)) $num
139 io_zero readv $((offset + 6 * $cluster_size)) $((2 * $cluster_size)) $((9 * $cluster_size)) $num