[dts] [PATCH V1]vhost_dequeue_zero_copy: use igb_uio driver to get better performance in vm

[Xiao, QimaiX]

Tested-by: Xiao, QimaiX <qimaix.xiao at intel.com>

Regards,
Xiao Qimai

> -----Original Message-----
> From: Xiao, QimaiX <qimaix.xiao at intel.com>
> Sent: Friday, June 12, 2020 5:13 PM
> To: dts at dpdk.org
> Cc: Xiao, QimaiX <qimaix.xiao at intel.com>
> Subject: [dts][PATCH V1]vhost_dequeue_zero_copy: use igb_uio driver to
> get better performance in vm
> 
> Signed-off-by: Xiao Qimai <qimaix.xiao at intel.com>
> ---
>  tests/TestSuite_vhost_dequeue_zero_copy.py | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/tests/TestSuite_vhost_dequeue_zero_copy.py
> b/tests/TestSuite_vhost_dequeue_zero_copy.py
> index 8beb1ba..0779edc 100644
> --- a/tests/TestSuite_vhost_dequeue_zero_copy.py
> +++ b/tests/TestSuite_vhost_dequeue_zero_copy.py
> @@ -209,6 +209,11 @@ class TestVhostDequeueZeroCopy(TestCase):
>          """
>          self.vm = VM(self.dut, 'vm0', 'vhost_sample')
>          self.vm.load_config()
> +        # use igb_uio driver in vm to get better performance
> +        for i in self.vm.params:
> +            if 'def_driver' in i:
> +                i['def_driver'] = [{'driver_name': 'igb_uio'}]
> +                break
>          vm_params = {}
>          vm_params['driver'] = 'vhost-user'
>          vm_params['opt_path'] = '%s/vhost-net' % self.base_dir
> --
> 1.8.3.1

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