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Stefan Hajnoczi cbaddb25b2 qemu-iotests: step clock after each test iteration 
The 093 throttling test submits twice as many requests as the throttle
limit in order to ensure that we reach the limit.  The remaining
requests are left in-flight at the end of each test iteration.

Commit 452589b6b4 ("vl.c/exit: pause cpus
before closing block devices") exposed a hang in 093.  This happens
because requests are still in flight when QEMU terminates but
QEMU_CLOCK_VIRTUAL time is frozen.  bdrv_drain_all() hangs forever since
throttled requests cannot complete.

Step the clock at the end of each test iteration so in-flight requests
actually finish.  This solves the hang and is cleaner than leaving tests
in-flight.

Note that this could also be "fixed" by disabling throttling when drives
are closed in QEMU.  That approach has two issues:

1. We must drain requests before disabling throttling, so the hang
   cannot be easily avoided!

2. Any time QEMU disables throttling internally there is a chance that
   malicious users can abuse the code path to bypass throttling limits.

Therefore it makes more sense to fix the test case than to modify QEMU.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20170815130502.8736-1-stefanha@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
 		2017-08-15 10:03:27 -05:00
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017 qemu-iotests: exclude vxhs from image creation via protocol 2017-04-24 15:09:33 -04:00
017.out
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018
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018.out
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019
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019.out qemu-io: Switch 'alloc' command to byte-based length 2017-05-11 14:28:05 +02:00
020 qemu-iotests: exclude vxhs from image creation via protocol 2017-04-24 15:09:33 -04:00
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025 block: Drop unmaintained 'archipelago' driver 2017-03-13 12:49:33 +01:00
025.out
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026 iotests: Fix typo in 026 2017-04-27 15:46:16 +02:00
026.out iotests: Fix typo in 026 2017-04-27 15:46:16 +02:00
026.out.nocache iotests: Fix typo in 026 2017-04-27 15:46:16 +02:00
027
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027.out
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028 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
028.out qemu-iotests: Filter HMP readline escape characters 2017-04-27 15:39:49 +02:00
029 qemu-iotests: exclude vxhs from image creation via protocol 2017-04-24 15:09:33 -04:00
029.out
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030 qemu-iotests: Avoid unnecessary sleeps 2017-07-24 15:06:04 +02:00
030.out qemu-iotests: Test streaming with missing job ID 2017-05-26 16:48:21 +02:00
031
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032
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033 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
033.out
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034
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035
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036
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040 block: Skip implicit nodes in query-block/blockstats 2017-07-24 15:06:04 +02:00
040.out block: Skip implicit nodes in query-block/blockstats 2017-07-24 15:06:04 +02:00
041 qemu-iotests/041: Fix leaked scratch images 2017-08-01 18:09:33 +02:00
041.out block: Skip implicit nodes in query-block/blockstats 2017-07-24 15:06:04 +02:00
042 iotests: skip 042 with qcow which dosn't support zero sized images 2017-07-11 17:44:55 +02:00
042.out
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043
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043.out
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044
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044.out block/qcow2: Add qcow2_refcount_area() 2017-07-11 17:45:02 +02:00
045
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045.out
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046 iotests: 046: Prepare for image locking 2017-05-11 11:08:40 +02:00
046.out
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047
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047.out
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048 iotests: skip 048 with qcow which doesn't support resize 2017-07-11 17:44:55 +02:00
048.out
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049 qcow2: convert QCow2 to use QCryptoBlock for encryption 2017-07-11 17:44:56 +02:00
049.out qcow2: convert QCow2 to use QCryptoBlock for encryption 2017-07-11 17:44:56 +02:00
050
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050.out
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051 tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
051.out iotests/051: Add test for empty filename 2017-04-27 15:39:49 +02:00
051.pc.out iotests/051: Add test for empty filename 2017-04-27 15:39:49 +02:00
052
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053
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054
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055 qemu-iotests: Avoid unnecessary sleeps 2017-07-24 15:06:04 +02:00
055.out
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056
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057
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059 qemu-iotests/059: Fix leaked image files 2017-08-01 18:09:33 +02:00
059.out qemu-iotests/059: Fix leaked image files 2017-08-01 18:09:33 +02:00
060
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060.out qemu-io: Don't die on second open 2017-07-10 13:18:05 +02:00
061
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062
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062.out
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063 qemu-iotests/063: Fix leaked image 2017-08-01 18:09:33 +02:00
063.out
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064
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065 qcow2: Add refcount_bits to format-specific info 2015-03-10 14:02:20 +01:00
065.out
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066 iotests: Extend test 066 2017-05-11 12:08:24 +02:00
066.out iotests: Extend test 066 2017-05-11 12:08:24 +02:00
067 qemu-iotests: Test unplug of -device without drive 2017-07-18 15:14:36 +02:00
067.out qemu-iotests: Test unplug of -device without drive 2017-07-18 15:14:36 +02:00
068 tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
068.out qemu-iotests: 068: test iothread mode 2017-06-26 14:51:13 +02:00
069
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071
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071.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
072
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072.out
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073 qemu-iotests: exclude vxhs from image creation via protocol 2017-04-24 15:09:33 -04:00
073.out
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074 qemu-iotests: Remove blkdebug.conf after tests 2017-08-01 18:09:33 +02:00
074.out
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081.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
082 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
082.out qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
083
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083.out nbd/client.c: use errp instead of LOG 2017-06-06 20:18:36 +02:00
084
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084.out
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085 block: Use JSON null instead of "" to disable backing file 2017-07-24 13:35:11 +02:00
085.out block: deprecate "encryption=on" in favor of "encrypt.format=aes" 2017-07-11 17:44:55 +02:00
086
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086.out
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087 qcow2: add iotests to cover LUKS encryption support 2017-07-11 17:44:56 +02:00
087.out qcow2: add iotests to cover LUKS encryption support 2017-07-11 17:44:56 +02:00
088
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089
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090
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091 iotests: 091: Quit QEMU before checking image 2017-05-11 11:08:40 +02:00
091.out
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092
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092.out
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093 qemu-iotests: step clock after each test iteration 2017-08-15 10:03:27 -05:00
093.out
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094 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
094.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
095
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096
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097 iotests: Improve image-clear tests on non-aligned image 2017-04-03 17:11:40 +02:00
097.out iotests: Improve image-clear tests on non-aligned image 2017-04-03 17:11:40 +02:00
098
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102 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
102.out qemu-io: Switch 'map' output to byte-based reporting 2017-05-11 14:28:06 +02:00
103
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106 iotests: Add preallocated resize test for raw 2017-07-11 17:45:02 +02:00
106.out iotests: Add preallocated resize test for raw 2017-07-11 17:45:02 +02:00
107
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109 qemu-iotests/109: Fix lock race condition 2017-08-08 14:36:59 +02:00
109.out qemu-iotests/109: Fix lock race condition 2017-08-08 14:36:59 +02:00
110
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111.out qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
112
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114 qemu-iotests: exclude vxhs from image creation via protocol 2017-04-24 15:09:33 -04:00
114.out qemu-io: Don't die on second open 2017-07-10 13:18:05 +02:00
115
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116
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116.out
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117 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
117.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
118
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119
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119.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
120 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
120.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
121
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122
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122.out iotests: Improve _filter_qemu_img_map 2017-05-11 14:28:07 +02:00
123
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124 iotests: Check dirty bitmap statistics in 124 2017-08-01 18:09:33 +02:00
124.out
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125 iotests: Add preallocated growth test for qcow2 2017-07-11 17:45:02 +02:00
125.out iotests: Add preallocated growth test for qcow2 2017-07-11 17:45:02 +02:00
126 iotests: Add test for colon handling 2017-07-11 17:45:00 +02:00
126.out iotests: Add test for colon handling 2017-07-11 17:45:00 +02:00
128
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129
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129.out
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130 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
130.out qemu-iotests: Filter HMP readline escape characters 2017-04-27 15:39:49 +02:00
131
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132
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133
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134 iotests: enable tests 134 and 158 to work with qcow (v1) 2017-07-11 17:44:56 +02:00
134.out qcow2: convert QCow2 to use QCryptoBlock for encryption 2017-07-11 17:44:56 +02:00
135
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136 block/null: Remove 'filename' option 2017-08-08 15:19:16 +02:00
136.out
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138
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139 block: Use JSON null instead of "" to disable backing file 2017-07-24 13:35:11 +02:00
139.out
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140 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
140.out nbd: Fix iotests failure due to changed client error message 2017-07-17 13:57:42 -05:00
141 qemu-iotests/141: Fix image cleanup 2017-08-01 18:09:33 +02:00
141.out mirror: Use real permissions in mirror/active commit block job 2017-02-28 20:47:46 +01:00
142 tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
142.out qemu-iotests: Filter HMP readline escape characters 2017-04-27 15:39:49 +02:00
143 qemu-iotests: _cleanup_qemu must be called on exit 2017-04-24 15:09:33 -04:00
143.out nbd: Fix iotests failure due to changed client error message 2017-07-17 13:57:42 -05:00
144
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144.out block: deprecate "encryption=on" in favor of "encrypt.format=aes" 2017-07-11 17:44:55 +02:00
145 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
145.out qemu-iotests: Filter HMP readline escape characters 2017-04-27 15:39:49 +02:00
146
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146.out qemu-io: Switch 'map' output to byte-based reporting 2017-05-11 14:28:06 +02:00
147 iotests: 147: Don't test inet6 if not available 2017-05-26 16:48:21 +02:00
147.out
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148
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148.out
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149 iotests: chown LUKS device before qemu-io launches 2017-07-11 17:45:00 +02:00
149.out iotests: chown LUKS device before qemu-io launches 2017-07-11 17:45:00 +02:00
150
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150.out
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152
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152.out
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153 qemu-iotests/153: Fix leaked scratch images 2017-08-01 18:09:33 +02:00
153.out qemu-io: Don't die on second open 2017-07-10 13:18:05 +02:00
154 block: Exploit BDRV_BLOCK_EOF for larger zero blocks 2017-06-30 21:48:06 +08:00
154.out block: Exploit BDRV_BLOCK_EOF for larger zero blocks 2017-06-30 21:48:06 +08:00
155
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155.out
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156 iotests: Fix test 156 2017-08-01 18:09:33 +02:00
156.out shutdown: Expose bool cause in SHUTDOWN and RESET events 2017-05-23 13:28:17 +02:00
157 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
157.out iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
158 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
158.out qcow2: convert QCow2 to use QCryptoBlock for encryption 2017-07-11 17:44:56 +02:00
159 iotests: skip 159 & 170 with luks format 2017-07-11 17:44:59 +02:00
159.out
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160
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160.out
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162 qemu-iotests/162: Fix leaked temporary files 2017-08-01 18:09:33 +02:00
162.out
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165 iotests: test qcow2 persistent dirty bitmap 2017-07-11 17:44:59 +02:00
165.out iotests: test qcow2 persistent dirty bitmap 2017-07-11 17:44:59 +02:00
170 iotests: skip 159 & 170 with luks format 2017-07-11 17:44:59 +02:00
170.out
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171 tests: Avoid non-portable 'echo -ARG' 2017-07-11 17:45:00 +02:00
171.out
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172 iotests: 172: Use separate images for multiple devices 2017-05-11 11:08:40 +02:00
172.out iotests: 172: Use separate images for multiple devices 2017-05-11 11:08:40 +02:00
173
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173.out
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174 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
174.out
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175
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175.out
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176 iotests: Improve image-clear tests on non-aligned image 2017-04-03 17:11:40 +02:00
176.out iotests: Improve image-clear tests on non-aligned image 2017-04-03 17:11:40 +02:00
177 block: Guarantee that *file is set on bdrv_get_block_status() 2017-07-10 13:18:05 +02:00
177.out blkdebug: Support .bdrv_co_get_block_status 2017-07-10 13:18:05 +02:00
178 iotests: add test 178 for qemu-img measure 2017-07-11 17:45:01 +02:00
178.out.qcow2 iotests: add test 178 for qemu-img measure 2017-07-11 17:45:01 +02:00
178.out.raw iotests: add test 178 for qemu-img measure 2017-07-11 17:45:01 +02:00
179 qemu-iotests: Remove blkdebug.conf after tests 2017-08-01 18:09:33 +02:00
179.out iotests: Add test 179 to cover write zeroes with unmap 2017-05-11 14:28:07 +02:00
181 iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
181.out qemu-iotests: Test postcopy migration 2017-04-27 15:39:49 +02:00
182 tests: Add POSIX image locking test case 182 2017-05-11 12:08:20 +02:00
182.out tests: Add POSIX image locking test case 182 2017-05-11 12:08:20 +02:00
183 qemu-iotests: Block migration test 2017-06-09 11:45:03 +02:00
183.out qemu-iotests: Block migration test 2017-06-09 11:45:03 +02:00
185 qemu-iotests: fix 185 2017-08-11 14:44:39 +02:00
185.out block: deprecate "encryption=on" in favor of "encrypt.format=aes" 2017-07-11 17:44:55 +02:00
186 iotests: Redirect stderr to stdout in 186 2017-08-01 18:09:33 +02:00
186.out iotests: Redirect stderr to stdout in 186 2017-08-01 18:09:33 +02:00
187 qemu-iotests: Test reopen between read-only and read-write 2017-08-08 15:19:16 +02:00
187.out qemu-iotests: Test reopen between read-only and read-write 2017-08-08 15:19:16 +02:00
188 qcow2: add iotests to cover LUKS encryption support 2017-07-11 17:44:56 +02:00
188.out qcow2: add iotests to cover LUKS encryption support 2017-07-11 17:44:56 +02:00
189 qemu-img: Check for backing image if specified during create 2017-07-18 15:27:37 +02:00
189.out qcow2: add iotests to cover LUKS encryption support 2017-07-11 17:44:56 +02:00
190 iotests: Add test of recent fix to 'qemu-img measure' 2017-08-01 18:09:33 +02:00
190.out iotests: Add test of recent fix to 'qemu-img measure' 2017-08-01 18:09:33 +02:00
COPYING
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Makefile
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README
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check qemu-iotests: remove comment about root privileges requirement 2017-08-14 13:06:54 +03:00
common qcow2: convert QCow2 to use QCryptoBlock for encryption 2017-07-11 17:44:56 +02:00
common.config iotests: Use absolute paths for executables 2017-07-11 17:45:00 +02:00
common.filter iotests: reduce PBKDF iterations when testing LUKS 2017-07-11 17:45:00 +02:00
common.pattern qemu-io: Switch 'alloc' command to byte-based length 2017-05-11 14:28:05 +02:00
common.qemu iotests: fix remainining tests to work with LUKS 2017-07-11 17:44:59 +02:00
common.rc qemu-iotests: get rid of _full_imgproto_details() 2017-08-14 13:06:54 +03:00
group qemu-iotests: Test reopen between read-only and read-write 2017-08-08 15:19:16 +02:00
iotests.py qemu-iotests: Avoid unnecessary sleeps 2017-07-24 15:06:04 +02:00
nbd-fault-injector.py
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qcow2.py
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qed.py
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socket_scm_helper.c
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README 

=== This is the QEMU I/O test suite ===

* Intro

This package contains a simple test suite for the I/O layer of qemu.
It does not require a guest, but only the qemu, qemu-img and qemu-io
binaries.  This does limit it to exercise the low-level I/O path only
but no actual block drivers like ide, scsi or virtio.

* Usage

Just run ./check to run all tests for the raw image format, or ./check
-qcow2 to test the qcow2 image format.  The output of ./check -h explains
additional options to test further image formats or I/O methods.

* Feedback and patches

Please send improvements to the test suite, general feedback or just
reports of failing tests cases to qemu-devel@nongnu.org with a CC:
to qemu-block@nongnu.org.