Test wants force bitmap postcopy. Still, resulting postcopy period is
very small. Let's increase it by adding more bitmaps to migrate. Also,
test disabled bitmaps migration.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@virtuozzo.com>
---
tests/qemu-iotests/199 | 58 ++++++++++++++++++++++++++++--------------
1 file changed, 39 insertions(+), 19 deletions(-)
diff --git a/tests/qemu-iotests/199 b/tests/qemu-iotests/199
index 7914fd0b2b..9a6e8dcb9d 100755
--- a/tests/qemu-iotests/199
+++ b/tests/qemu-iotests/199
@@ -103,29 +103,45 @@ class
TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
def test_postcopy(self):
granularity = 512
+ nb_bitmaps = 15
- result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0',
- name='bitmap', granularity=granularity)
- self.assert_qmp(result, 'return', {})
+ for i in range(nb_bitmaps):
+ result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0',
+ name='bitmap{}'.format(i),
+ granularity=granularity)
+ self.assert_qmp(result, 'return', {})
result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256',
- node='drive0', name='bitmap')
+ node='drive0', name='bitmap0')
empty_sha256 = result['return']['sha256']
- apply_discards(self.vm_a, discards1 + discards2)
+ apply_discards(self.vm_a, discards1)
result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256',
- node='drive0', name='bitmap')
- sha256 = result['return']['sha256']
+ node='drive0', name='bitmap0')
+ discards1_sha256 = result['return']['sha256']
# Check, that updating the bitmap by discards works
- assert sha256 != empty_sha256
+ assert discards1_sha256 != empty_sha256
- result = self.vm_a.qmp('block-dirty-bitmap-clear', node='drive0',
- name='bitmap')
- self.assert_qmp(result, 'return', {})
+ # We want to calculate resulting sha256. Do it in bitmap0, so, disable
+ # other bitmaps
+ for i in range(1, nb_bitmaps):
+ result = self.vm_a.qmp('block-dirty-bitmap-disable', node='drive0',
+ name='bitmap{}'.format(i))
+ self.assert_qmp(result, 'return', {})
- apply_discards(self.vm_a, discards1)
+ apply_discards(self.vm_a, discards2)
+
+ result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256',
+ node='drive0', name='bitmap0')
+ all_discards_sha256 = result['return']['sha256']
+
+ # Now, enable some bitmaps, to be updated during migration
+ for i in range(2, nb_bitmaps, 2):
+ result = self.vm_a.qmp('block-dirty-bitmap-enable', node='drive0',
+ name='bitmap{}'.format(i))
+ self.assert_qmp(result, 'return', {})
caps = [{'capability': 'dirty-bitmaps', 'state': True},
{'capability': 'events', 'state': True}]
@@ -145,6 +161,7 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
e_resume = self.vm_b.event_wait('RESUME')
self.vm_b_events.append(e_resume)
+ # enabled bitmaps should be updated
apply_discards(self.vm_b, discards2)
match = {'data': {'status': 'completed'}}
@@ -158,7 +175,7 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
downtime = event_dist(e_stop, e_resume)
postcopy_time = event_dist(e_resume, e_complete)
- # TODO: assert downtime * 10 < postcopy_time
+ assert downtime * 10 < postcopy_time
if debug:
print('downtime:', downtime)
print('postcopy_time:', postcopy_time)
@@ -166,12 +183,15 @@ class
TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
# Assert that bitmap migration is finished (check that successor bitmap
# is removed)
result = self.vm_b.qmp('query-block')
- assert len(result['return'][0]['dirty-bitmaps']) == 1
-
- # Check content of migrated (and updated by new writes) bitmap
- result = self.vm_b.qmp('x-debug-block-dirty-bitmap-sha256',
- node='drive0', name='bitmap')
- self.assert_qmp(result, 'return/sha256', sha256)
+ assert len(result['return'][0]['dirty-bitmaps']) == nb_bitmaps
+
+ # Check content of migrated bitmaps. Still, don't waste time checking
+ # every bitmap
+ for i in range(0, nb_bitmaps, 5):
+ result = self.vm_b.qmp('x-debug-block-dirty-bitmap-sha256',
+ node='drive0', name='bitmap{}'.format(i))
+ sha256 = discards1_sha256 if i % 2 else all_discards_sha256
+ self.assert_qmp(result, 'return/sha256', sha256)
if __name__ == '__main__':
--
2.21.0
