diff options
Diffstat (limited to 'tests/qemu-iotests/093')
| -rwxr-xr-x | tests/qemu-iotests/093 | 84 |
1 files changed, 38 insertions, 46 deletions
diff --git a/tests/qemu-iotests/093 b/tests/qemu-iotests/093 index 9d1971a56c..4f9e224e8a 100755 --- a/tests/qemu-iotests/093 +++ b/tests/qemu-iotests/093 @@ -1,4 +1,5 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 +# group: throttle # # Tests for IO throttling # @@ -24,7 +25,7 @@ import iotests nsec_per_sec = 1000000000 class ThrottleTestCase(iotests.QMPTestCase): - test_img = "null-aio://" + test_driver = "null-aio" max_drives = 3 def blockstats(self, device): @@ -35,10 +36,14 @@ class ThrottleTestCase(iotests.QMPTestCase): return stat['rd_bytes'], stat['rd_operations'], stat['wr_bytes'], stat['wr_operations'] raise Exception("Device not found for blockstats: %s" % device) + def required_drivers(self): + return [self.test_driver] + + @iotests.skip_if_unsupported(required_drivers) def setUp(self): self.vm = iotests.VM() for i in range(0, self.max_drives): - self.vm.add_drive(self.test_img) + self.vm.add_drive(self.test_driver + "://", "file.read-zeroes=on") self.vm.launch() def tearDown(self): @@ -50,8 +55,7 @@ class ThrottleTestCase(iotests.QMPTestCase): # Set the I/O throttling parameters to all drives for i in range(0, ndrives): params['device'] = 'drive%d' % i - result = self.vm.qmp("block_set_io_throttle", conv_keys=False, **params) - self.assert_qmp(result, 'return', {}) + self.vm.cmd("block_set_io_throttle", conv_keys=False, **params) def do_test_throttle(self, ndrives, seconds, params, first_drive = 0): def check_limit(limit, num): @@ -69,18 +73,18 @@ class ThrottleTestCase(iotests.QMPTestCase): # in. The throttled requests won't be executed until we # advance the virtual clock. rq_size = 512 - rd_nr = max(params['bps'] / rq_size / 2, - params['bps_rd'] / rq_size, - params['iops'] / 2, + rd_nr = max(params['bps'] // rq_size // 2, + params['bps_rd'] // rq_size, + params['iops'] // 2, params['iops_rd']) rd_nr *= seconds * 2 - rd_nr /= ndrives - wr_nr = max(params['bps'] / rq_size / 2, - params['bps_wr'] / rq_size, - params['iops'] / 2, + rd_nr //= ndrives + wr_nr = max(params['bps'] // rq_size // 2, + params['bps_wr'] // rq_size, + params['iops'] // 2, params['iops_wr']) wr_nr *= seconds * 2 - wr_nr /= ndrives + wr_nr //= ndrives # Send I/O requests to all drives for i in range(rd_nr): @@ -196,7 +200,7 @@ class ThrottleTestCase(iotests.QMPTestCase): self.configure_throttle(ndrives, settings) # Wait for the bucket to empty so we can do bursts - wait_ns = nsec_per_sec * burst_length * burst_rate / rate + wait_ns = nsec_per_sec * burst_length * burst_rate // rate self.vm.qtest("clock_step %d" % wait_ns) # Test I/O at the max burst rate @@ -248,8 +252,7 @@ class ThrottleTestCase(iotests.QMPTestCase): # drive1 remains in the group with a throttled request. params['bps_rd'] = 0 params['device'] = 'drive0' - result = self.vm.qmp("block_set_io_throttle", conv_keys=False, **params) - self.assert_qmp(result, 'return', {}) + self.vm.cmd("block_set_io_throttle", conv_keys=False, **params) # Removing the I/O limits from drive0 drains its two pending requests. # The read request in drive1 is still throttled. @@ -264,16 +267,16 @@ class ThrottleTestCase(iotests.QMPTestCase): self.assertEqual(self.blockstats('drive1')[0], 4096) class ThrottleTestCoroutine(ThrottleTestCase): - test_img = "null-co://" + test_driver = "null-co" class ThrottleTestGroupNames(iotests.QMPTestCase): - test_img = "null-aio://" max_drives = 3 def setUp(self): self.vm = iotests.VM() for i in range(0, self.max_drives): - self.vm.add_drive(self.test_img, "throttling.iops-total=100") + self.vm.add_drive("null-co://", + "throttling.iops-total=100,file.read-zeroes=on") self.vm.launch() def tearDown(self): @@ -281,8 +284,7 @@ class ThrottleTestGroupNames(iotests.QMPTestCase): def set_io_throttle(self, device, params): params["device"] = device - result = self.vm.qmp("block_set_io_throttle", conv_keys=False, **params) - self.assert_qmp(result, 'return', {}) + self.vm.cmd("block_set_io_throttle", conv_keys=False, **params) def verify_name(self, device, name): result = self.vm.qmp("query-block") @@ -366,10 +368,7 @@ class ThrottleTestGroupNames(iotests.QMPTestCase): class ThrottleTestRemovableMedia(iotests.QMPTestCase): def setUp(self): self.vm = iotests.VM() - if iotests.qemu_default_machine == 's390-ccw-virtio': - self.vm.add_device("virtio-scsi-ccw,id=virtio-scsi") - else: - self.vm.add_device("virtio-scsi-pci,id=virtio-scsi") + self.vm.add_device("{},id=virtio-scsi".format('virtio-scsi')) self.vm.launch() def tearDown(self): @@ -377,23 +376,19 @@ class ThrottleTestRemovableMedia(iotests.QMPTestCase): def test_removable_media(self): # Add a couple of dummy nodes named cd0 and cd1 - result = self.vm.qmp("blockdev-add", driver="null-aio", - node_name="cd0") - self.assert_qmp(result, 'return', {}) - result = self.vm.qmp("blockdev-add", driver="null-aio", - node_name="cd1") - self.assert_qmp(result, 'return', {}) + self.vm.cmd("blockdev-add", driver="null-co", + read_zeroes=True, node_name="cd0") + self.vm.cmd("blockdev-add", driver="null-co", + read_zeroes=True, node_name="cd1") # Attach a CD drive with cd0 inserted - result = self.vm.qmp("device_add", driver="scsi-cd", - id="dev0", drive="cd0") - self.assert_qmp(result, 'return', {}) + self.vm.cmd("device_add", driver="scsi-cd", + id="dev0", drive="cd0") # Set I/O limits args = { "id": "dev0", "iops": 100, "iops_rd": 0, "iops_wr": 0, "bps": 50, "bps_rd": 0, "bps_wr": 0 } - result = self.vm.qmp("block_set_io_throttle", conv_keys=False, **args) - self.assert_qmp(result, 'return', {}) + self.vm.cmd("block_set_io_throttle", conv_keys=False, **args) # Check that the I/O limits have been set result = self.vm.qmp("query-block") @@ -401,12 +396,9 @@ class ThrottleTestRemovableMedia(iotests.QMPTestCase): self.assert_qmp(result, 'return[0]/inserted/bps', 50) # Now eject cd0 and insert cd1 - result = self.vm.qmp("blockdev-open-tray", id='dev0') - self.assert_qmp(result, 'return', {}) - result = self.vm.qmp("blockdev-remove-medium", id='dev0') - self.assert_qmp(result, 'return', {}) - result = self.vm.qmp("blockdev-insert-medium", id='dev0', node_name='cd1') - self.assert_qmp(result, 'return', {}) + self.vm.cmd("blockdev-open-tray", id='dev0') + self.vm.cmd("blockdev-remove-medium", id='dev0') + self.vm.cmd("blockdev-insert-medium", id='dev0', node_name='cd1') # Check that the I/O limits are still the same result = self.vm.qmp("query-block") @@ -414,17 +406,17 @@ class ThrottleTestRemovableMedia(iotests.QMPTestCase): self.assert_qmp(result, 'return[0]/inserted/bps', 50) # Eject cd1 - result = self.vm.qmp("blockdev-remove-medium", id='dev0') - self.assert_qmp(result, 'return', {}) + self.vm.cmd("blockdev-remove-medium", id='dev0') # Check that we can't set limits if the device has no medium result = self.vm.qmp("block_set_io_throttle", conv_keys=False, **args) self.assert_qmp(result, 'error/class', 'GenericError') # Remove the CD drive - result = self.vm.qmp("device_del", id='dev0') - self.assert_qmp(result, 'return', {}) + self.vm.cmd("device_del", id='dev0') if __name__ == '__main__': + if 'null-co' not in iotests.supported_formats(): + iotests.notrun('null-co driver support missing') iotests.main(supported_fmts=["raw"]) |