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Re: [PATCH v1 3/4] tests: add virtuqueue size checking to virtio_seg_max
From: |
Michael S. Tsirkin |
Subject: |
Re: [PATCH v1 3/4] tests: add virtuqueue size checking to virtio_seg_max_adjust test |
Date: |
Thu, 30 Jan 2020 08:42:48 -0500 |
On Wed, Jan 29, 2020 at 05:07:01PM +0300, Denis Plotnikov wrote:
> This is due to the change in the default virtqueue_size in the
> latest machine type to improve guest disks performance.
>
Sorry what is due to the change?
> Signed-off-by: Denis Plotnikov <address@hidden>
> ---
> tests/acceptance/virtio_seg_max_adjust.py | 33 ++++++++++++++---------
> 1 file changed, 21 insertions(+), 12 deletions(-)
>
> diff --git a/tests/acceptance/virtio_seg_max_adjust.py
> b/tests/acceptance/virtio_seg_max_adjust.py
> index 5458573138..645d69b313 100755
> --- a/tests/acceptance/virtio_seg_max_adjust.py
> +++ b/tests/acceptance/virtio_seg_max_adjust.py
> @@ -27,8 +27,10 @@ from qemu.machine import QEMUMachine
> from avocado_qemu import Test
>
> #list of machine types and virtqueue properties to test
> -VIRTIO_SCSI_PROPS = {'seg_max_adjust': 'seg_max_adjust'}
> -VIRTIO_BLK_PROPS = {'seg_max_adjust': 'seg-max-adjust'}
> +VIRTIO_SCSI_PROPS = {'seg_max_adjust': 'seg_max_adjust',
> + 'queue_size': 'virtqueue_size'}
> +VIRTIO_BLK_PROPS = {'seg_max_adjust': 'seg-max-adjust',
> + 'queue_size': 'queue-size'}
>
> DEV_TYPES = {'virtio-scsi-pci': VIRTIO_SCSI_PROPS,
> 'virtio-blk-pci': VIRTIO_BLK_PROPS}
> @@ -40,7 +42,7 @@ VM_DEV_PARAMS = {'virtio-scsi-pci': ['-device',
> 'virtio-scsi-pci,id=scsi0'],
> 'driver=null-co,id=drive0,if=none']}
>
>
> -class VirtioMaxSegSettingsCheck(Test):
> +class VirtioPramsCheck(Test):
> @staticmethod
> def make_pattern(props):
> pattern_items = ['{0} = \w+'.format(prop) for prop in props]
> @@ -72,20 +74,24 @@ class VirtioMaxSegSettingsCheck(Test):
> props[p[0]] = p[1]
> return query_ok, props, error
>
> - def check_mt(self, mt, dev_type_name):
> + def check_mt(self, mt, expected_props, dev_type_name):
> with QEMUMachine(self.qemu_bin) as vm:
> - vm.set_machine(mt["name"])
> + vm.set_machine(mt)
> for s in VM_DEV_PARAMS[dev_type_name]:
> vm.add_args(s)
> vm.launch()
> query_ok, props, error = self.query_virtqueue(vm, dev_type_name)
>
> if not query_ok:
> - self.fail('machine type {0}: {1}'.format(mt['name'], error))
> + self.fail('machine type {0}: {1}'.format(mt, error))
>
> for prop_name, prop_val in props.items():
> - expected_val = mt[prop_name]
> - self.assertEqual(expected_val, prop_val)
> + expected_val = expected_props[prop_name]
> + msg = 'Property value mismatch for (MT: {0}, '\
> + 'property name: {1}): expected value: "{2}" '\
> + 'actual value: "{3}"'\
> + .format(mt, prop_name, expected_val, prop_val)
> + self.assertEqual(expected_val, prop_val, msg)
Looks like an unrelated change, no?
> @staticmethod
> def seg_max_adjust_enabled(mt):
> @@ -120,15 +126,18 @@ class VirtioMaxSegSettingsCheck(Test):
>
> for dev_type in DEV_TYPES:
> # create the list of machine types and their parameters.
> - mtypes = list()
> + mtypes = dict()
> for m in machines:
> if self.seg_max_adjust_enabled(m):
> enabled = 'true'
> + queue_size = '256'
> else:
> enabled = 'false'
> - mtypes.append({'name': m,
> - DEV_TYPES[dev_type]['seg_max_adjust']:
> enabled})
> + queue_size = '128'
> + mtypes[m] = {
> + DEV_TYPES[dev_type]['seg_max_adjust']: enabled,
> + DEV_TYPES[dev_type]['queue_size']: queue_size }
>
> # test each machine type for a device type
> for mt in mtypes:
> - self.check_mt(mt, dev_type)
> + self.check_mt(mt, mtypes[mt], dev_type)
> --
> 2.17.0