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[PATCH v4 4/6] iotests: 194: test also migration of dirty bitmap


From: Vladimir Sementsov-Ogievskiy
Subject: [PATCH v4 4/6] iotests: 194: test also migration of dirty bitmap
Date: Fri, 22 May 2020 01:06:46 +0300

Test that dirty bitmap migration works when we deal with mirror.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
---
 tests/qemu-iotests/194     | 14 ++++++++++----
 tests/qemu-iotests/194.out |  6 ++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/tests/qemu-iotests/194 b/tests/qemu-iotests/194
index 8b1f720af4..3fad7c6c1a 100755
--- a/tests/qemu-iotests/194
+++ b/tests/qemu-iotests/194
@@ -42,6 +42,8 @@ with iotests.FilePath('source.img') as source_img_path, \
             .add_incoming('unix:{0}'.format(migration_sock_path))
             .launch())
 
+    source_vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')
+
     iotests.log('Launching NBD server on destination...')
     iotests.log(dest_vm.qmp('nbd-server-start', addr={'type': 'unix', 'data': 
{'path': nbd_sock_path}}))
     iotests.log(dest_vm.qmp('nbd-server-add', device='drive0', writable=True))
@@ -61,12 +63,14 @@ with iotests.FilePath('source.img') as source_img_path, \
                 filters=[iotests.filter_qmp_event])
 
     iotests.log('Starting migration...')
-    source_vm.qmp('migrate-set-capabilities',
-                  capabilities=[{'capability': 'events', 'state': True}])
-    dest_vm.qmp('migrate-set-capabilities',
-                capabilities=[{'capability': 'events', 'state': True}])
+    capabilities = [{'capability': 'events', 'state': True},
+                    {'capability': 'dirty-bitmaps', 'state': True}]
+    source_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
+    dest_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
     iotests.log(source_vm.qmp('migrate', 
uri='unix:{0}'.format(migration_sock_path)))
 
+    source_vm.qmp_log('migrate-start-postcopy')
+
     while True:
         event1 = source_vm.event_wait('MIGRATION')
         iotests.log(event1, filters=[iotests.filter_qmp_event])
@@ -82,3 +86,5 @@ with iotests.FilePath('source.img') as source_img_path, \
             iotests.log('Stopping the NBD server on destination...')
             iotests.log(dest_vm.qmp('nbd-server-stop'))
             break
+
+    iotests.log(source_vm.qmp('query-block')['return'][0]['dirty-bitmaps'])
diff --git a/tests/qemu-iotests/194.out b/tests/qemu-iotests/194.out
index 71857853fb..dd60dcc14f 100644
--- a/tests/qemu-iotests/194.out
+++ b/tests/qemu-iotests/194.out
@@ -1,4 +1,6 @@
 Launching VMs...
+{"execute": "block-dirty-bitmap-add", "arguments": {"name": "bitmap0", "node": 
"drive0"}}
+{"return": {}}
 Launching NBD server on destination...
 {"return": {}}
 {"return": {}}
@@ -8,11 +10,15 @@ Waiting for `drive-mirror` to complete...
 {"data": {"device": "mirror-job0", "len": 1073741824, "offset": 1073741824, 
"speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_READY", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
 Starting migration...
 {"return": {}}
+{"execute": "migrate-start-postcopy", "arguments": {}}
+{"return": {}}
 {"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
 {"data": {"status": "active"}, "event": "MIGRATION", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
+{"data": {"status": "postcopy-active"}, "event": "MIGRATION", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
 {"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
 Gracefully ending the `drive-mirror` job on source...
 {"return": {}}
 {"data": {"device": "mirror-job0", "len": 1073741824, "offset": 1073741824, 
"speed": 0, "type": "mirror"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": 
{"microseconds": "USECS", "seconds": "SECS"}}
 Stopping the NBD server on destination...
 {"return": {}}
+[{"busy": false, "count": 0, "granularity": 65536, "name": "bitmap0", 
"persistent": false, "recording": true, "status": "active"}]
-- 
2.21.0




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