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iotests: Check dirty bitmap statistics in 124

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We had a bug for multiple releases where dirty-bitmap count was
documented in bytes but reported in sectors; enhance the testsuite
to add coverage of DirtyBitmapInfo to ensure we do not regress again.

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Eric Blake 2017-07-24 10:39:51 -05:00 committed by Kevin Wolf
parent c09bd34d82
commit 1e2b1f6487
1 changed files with 6 additions and 1 deletions
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7
tests/qemu-iotests/124
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@ -336,7 +336,12 @@ class TestIncrementalBackup(TestIncrementalBackupBase):
(('0xab', 0, 512),
('0xfe', '16M', '256k'),
('0x64', '32736k', '64k')))
# Check the dirty bitmap stats
result = self.vm.qmp('query-block')
self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/name', 'bitmap0')
self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/count', 458752)
self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/granularity', 65536)
self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/status', 'active')
# Prepare a cluster_size=128k backup target without a backing file.
(target, _) = bitmap0.new_target()