tcg/optimize: Split out fold_xx_to_i
[qemu/ar7.git] / tests / qemu-iotests / 246
blob5932a0e8a97bdd5975a4bc0813f9b8e299e4fadf
1 #!/usr/bin/env python3
2 # group: rw quick
4 # Test persistent bitmap resizing.
6 # Copyright (c) 2019 John Snow for Red Hat, Inc.
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.
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.
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/>.
21 # owner=jsnow@redhat.com
23 import iotests
24 from iotests import log
26 iotests.script_initialize(supported_fmts=['qcow2'])
27 size = 64 * 1024 * 1024 * 1024
28 gran_small = 32 * 1024
29 gran_large = 128 * 1024
31 def query_bitmaps(vm):
32     res = vm.qmp("query-block")
33     return { "bitmaps": { device['device']: device.get('inserted', {})
34                           .get('dirty-bitmaps', []) for
35                           device in res['return'] } }
37 with iotests.FilePath('img') as img_path, \
38      iotests.VM() as vm:
40     log('--- Preparing image & VM ---\n')
41     iotests.qemu_img_create('-f', iotests.imgfmt, img_path, str(size))
42     vm.add_drive(img_path)
45     log('--- 1st Boot (Establish Baseline Image) ---\n')
46     vm.launch()
48     log('\n--- Adding bitmaps Small, Medium, Large, and Transient ---\n')
49     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
50                name="Small", granularity=gran_small, persistent=True)
51     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
52                name="Medium", persistent=True)
53     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
54                name="Large", granularity=gran_large, persistent=True)
55     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
56                name="Transient", persistent=False)
58     log('--- Forcing flush of bitmaps to disk ---\n')
59     log(query_bitmaps(vm), indent=2)
60     vm.shutdown()
63     log('--- 2nd Boot (Grow Image) ---\n')
64     vm.launch()
65     log(query_bitmaps(vm), indent=2)
67     log('--- Adding new bitmap, growing image, and adding 2nd new bitmap ---')
68     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
69                name="New", persistent=True)
70     vm.qmp_log("human-monitor-command",
71                command_line="block_resize drive0 70G")
72     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
73                name="Newtwo", persistent=True)
74     log(query_bitmaps(vm), indent=2)
76     log('--- Forcing flush of bitmaps to disk ---\n')
77     vm.shutdown()
80     log('--- 3rd Boot (Shrink Image) ---\n')
81     vm.launch()
82     log(query_bitmaps(vm), indent=2)
84     log('--- Adding "NewB" bitmap, removing "New" bitmap ---')
85     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
86                name="NewB", persistent=True)
87     vm.qmp_log("block-dirty-bitmap-remove", node="drive0",
88                name="New")
90     log('--- Truncating image ---\n')
91     vm.qmp_log("human-monitor-command",
92                command_line="block_resize drive0 50G")
94     log('--- Adding "NewC" bitmap, removing "NewTwo" bitmap ---')
95     vm.qmp_log("block-dirty-bitmap-add", node="drive0",
96                name="NewC", persistent=True)
97     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Newtwo")
99     log('--- Forcing flush of bitmaps to disk ---\n')
100     vm.shutdown()
103     log('--- 4th Boot (Verification and Cleanup) ---\n')
104     vm.launch()
105     log(query_bitmaps(vm), indent=2)
107     log('--- Removing all Bitmaps ---\n')
108     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Small")
109     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Medium")
110     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="Large")
111     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewB")
112     vm.qmp_log("block-dirty-bitmap-remove", node="drive0", name="NewC")
113     log(query_bitmaps(vm), indent=2)
115     log('\n--- Done ---')
116     vm.shutdown()