Re: [dpdk-dev] [PATCH 2/2] vdpa/mlx5: hardware queue moderation

2021-01-08 Thread Maxime Coquelin
On 1/6/21 4:06 AM, Xueming Li wrote: > The next parameters control the HW queue moderation feature. > This feature helps to control the traffic performance and latency > tradeoff. > > Each packet completion report from HW to SW requires CQ processing by SW > and triggers interrupt for the guest

Re: [dpdk-dev] [PATCH 2/2] vdpa/mlx5: hardware queue moderation

2021-01-07 Thread Maxime Coquelin
On 1/6/21 4:06 AM, Xueming Li wrote: > The next parameters control the HW queue moderation feature. > This feature helps to control the traffic performance and latency > tradeoff. > > Each packet completion report from HW to SW requires CQ processing by SW > and triggers interrupt for the guest

[dpdk-dev] [PATCH 2/2] vdpa/mlx5: hardware queue moderation

2021-01-05 Thread Xueming Li
The next parameters control the HW queue moderation feature. This feature helps to control the traffic performance and latency tradeoff. Each packet completion report from HW to SW requires CQ processing by SW and triggers interrupt for the guest driver. Interrupt report and handling cost CPU cycl