diff options
Diffstat (limited to 'tests/qemu-iotests/199')
| -rwxr-xr-x | tests/qemu-iotests/199 | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/tests/qemu-iotests/199 b/tests/qemu-iotests/199 index d8532e49da..355c0b2885 100755 --- a/tests/qemu-iotests/199 +++ b/tests/qemu-iotests/199 @@ -29,6 +29,8 @@ disk_b = os.path.join(iotests.test_dir, 'disk_b') size = '256G' fifo = os.path.join(iotests.test_dir, 'mig_fifo') +granularity = 512 +nb_bitmaps = 15 GiB = 1024 * 1024 * 1024 @@ -61,6 +63,15 @@ def event_dist(e1, e2): return event_seconds(e2) - event_seconds(e1) +def check_bitmaps(vm, count): + result = vm.qmp('query-block') + + if count == 0: + assert 'dirty-bitmaps' not in result['return'][0] + else: + assert len(result['return'][0]['dirty-bitmaps']) == count + + class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): def tearDown(self): if debug: @@ -101,10 +112,8 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): self.vm_a_events = [] self.vm_b_events = [] - def test_postcopy(self): - granularity = 512 - nb_bitmaps = 15 - + def start_postcopy(self): + """ Run migration until RESUME event on target. Return this event. """ for i in range(nb_bitmaps): result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0', name='bitmap{}'.format(i), @@ -119,10 +128,10 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256', node='drive0', name='bitmap0') - discards1_sha256 = result['return']['sha256'] + self.discards1_sha256 = result['return']['sha256'] # Check, that updating the bitmap by discards works - assert discards1_sha256 != empty_sha256 + assert self.discards1_sha256 != empty_sha256 # We want to calculate resulting sha256. Do it in bitmap0, so, disable # other bitmaps @@ -135,7 +144,7 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256', node='drive0', name='bitmap0') - all_discards_sha256 = result['return']['sha256'] + self.all_discards_sha256 = result['return']['sha256'] # Now, enable some bitmaps, to be updated during migration for i in range(2, nb_bitmaps, 2): @@ -160,6 +169,10 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): event_resume = self.vm_b.event_wait('RESUME') self.vm_b_events.append(event_resume) + return event_resume + + def test_postcopy_success(self): + event_resume = self.start_postcopy() # enabled bitmaps should be updated apply_discards(self.vm_b, discards2) @@ -180,18 +193,15 @@ class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase): print('downtime:', downtime) print('postcopy_time:', postcopy_time) - # 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']) == nb_bitmaps + check_bitmaps(self.vm_b, 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) + sha = self.discards1_sha256 if i % 2 else self.all_discards_sha256 + self.assert_qmp(result, 'return/sha256', sha) if __name__ == '__main__': |