iotests: Fix throttling in 030
Currently, TestParallelOps in 030 creates images that are too small for job throttling to be effective. This is reflected by the fact that it never undoes the throttling. Increase the image size and undo the throttling when the job should be completed. Also, add throttling in test_overlapping_4, or the jobs may not be so overlapping after all. In fact, the error usually emitted here is that node2 simply does not exist, not that overlapping jobs are not allowed -- the fact that this job ignores the exact error messages and just checks the error class is something that should be fixed in a follow-up patch. Signed-off-by: Max Reitz <mreitz@redhat.com> Tested-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20190703172813.6868-8-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
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@ -154,7 +154,7 @@ class TestSingleDrive(iotests.QMPTestCase):
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class TestParallelOps(iotests.QMPTestCase):
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num_ops = 4 # Number of parallel block-stream operations
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num_imgs = num_ops * 2 + 1
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image_len = num_ops * 512 * 1024
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image_len = num_ops * 4 * 1024 * 1024
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imgs = []
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def setUp(self):
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@ -176,11 +176,11 @@ class TestParallelOps(iotests.QMPTestCase):
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# Put data into the images we are copying data from
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odd_img_indexes = [x for x in reversed(range(self.num_imgs)) if x % 2 == 1]
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for i in range(len(odd_img_indexes)):
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# Alternate between 256KB and 512KB.
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# Alternate between 2MB and 4MB.
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# This way jobs will not finish in the same order they were created
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num_kb = 256 + 256 * (i % 2)
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num_mb = 2 + 2 * (i % 2)
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qemu_io('-f', iotests.imgfmt,
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'-c', 'write -P 0xFF %dk %dk' % (i * 512, num_kb),
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'-c', 'write -P 0xFF %dM %dM' % (i * 4, num_mb),
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self.imgs[odd_img_indexes[i]])
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# Attach the drive to the VM
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@ -213,6 +213,10 @@ class TestParallelOps(iotests.QMPTestCase):
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result = self.vm.qmp('block-stream', device=node_name, job_id=job_id, base=self.imgs[i-2], speed=512*1024)
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self.assert_qmp(result, 'return', {})
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for job in pending_jobs:
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result = self.vm.qmp('block-job-set-speed', device=job, speed=0)
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self.assert_qmp(result, 'return', {})
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# Wait for all jobs to be finished.
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while len(pending_jobs) > 0:
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for event in self.vm.get_qmp_events(wait=True):
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@ -260,6 +264,9 @@ class TestParallelOps(iotests.QMPTestCase):
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result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[0], top=self.imgs[1], job_id='commit-node0')
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('block-job-set-speed', device='stream-node4', speed=0)
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed(drive='stream-node4')
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self.assert_no_active_block_jobs()
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@ -289,6 +296,9 @@ class TestParallelOps(iotests.QMPTestCase):
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result = self.vm.qmp('block-stream', device='drive0', base=self.imgs[5], job_id='stream-drive0')
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('block-job-set-speed', device='commit-node3', speed=0)
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed(drive='commit-node3')
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# Similar to test_overlapping_2, but here block-commit doesn't use the 'top' parameter.
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@ -309,6 +319,9 @@ class TestParallelOps(iotests.QMPTestCase):
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self.assert_qmp(event, 'data/type', 'commit')
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self.assert_qmp_absent(event, 'data/error')
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result = self.vm.qmp('block-job-set-speed', device='commit-drive0', speed=0)
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self.assert_qmp(result, 'return', {})
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result = self.vm.qmp('block-job-complete', device='commit-drive0')
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self.assert_qmp(result, 'return', {})
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@ -321,13 +334,18 @@ class TestParallelOps(iotests.QMPTestCase):
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self.assert_no_active_block_jobs()
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# Commit from node2 into node0
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result = self.vm.qmp('block-commit', device='drive0', top=self.imgs[2], base=self.imgs[0])
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result = self.vm.qmp('block-commit', device='drive0',
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top=self.imgs[2], base=self.imgs[0],
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speed=1024*1024)
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self.assert_qmp(result, 'return', {})
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# Stream from node2 into node4
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result = self.vm.qmp('block-stream', device='node4', base_node='node2', job_id='node4')
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self.assert_qmp(result, 'error/class', 'GenericError')
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result = self.vm.qmp('block-job-set-speed', device='drive0', speed=0)
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self.assert_qmp(result, 'return', {})
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self.wait_until_completed()
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self.assert_no_active_block_jobs()
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@ -378,6 +396,10 @@ class TestParallelOps(iotests.QMPTestCase):
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result = self.vm.qmp('block-commit', device='drive0', base=self.imgs[5], speed=1024*1024)
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self.assert_qmp(result, 'return', {})
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for job in ['drive0', 'node4']:
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result = self.vm.qmp('block-job-set-speed', device=job, speed=0)
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self.assert_qmp(result, 'return', {})
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# Wait for all jobs to be finished.
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pending_jobs = ['node4', 'drive0']
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while len(pending_jobs) > 0:
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