Re: [PATCH net-next] virtio-net: switch napi_tx without downing nic

2023-12-20 Thread Heng Qi
在 2023/12/21 上午11:02, Zhu Yanjun 写道: 在 2023/12/20 16:07, Heng Qi 写道: virtio-net has two ways to switch napi_tx: one is through the module parameter, and the other is through coalescing parameter settings (provided that the nic status is down). Sometimes we face performance regression caused

Re: [PATCH net-next] virtio-net: switch napi_tx without downing nic

2023-12-20 Thread Heng Qi
在 2023/12/20 下午10:45, Willem de Bruijn 写道: Heng Qi wrote: virtio-net has two ways to switch napi_tx: one is through the module parameter, and the other is through coalescing parameter settings (provided that the nic status is down). Sometimes we face performance regression caused by napi_tx,

Re: [PATCH net-next] virtio-net: switch napi_tx without downing nic

2023-12-20 Thread Zhu Yanjun
在 2023/12/20 16:07, Heng Qi 写道: virtio-net has two ways to switch napi_tx: one is through the module parameter, and the other is through coalescing parameter settings (provided that the nic status is down). Sometimes we face performance regression caused by napi_tx, then we need to switch napi_t

Re: [PATCH net-next] virtio-net: switch napi_tx without downing nic

2023-12-20 Thread Willem de Bruijn
Heng Qi wrote: > virtio-net has two ways to switch napi_tx: one is through the > module parameter, and the other is through coalescing parameter > settings (provided that the nic status is down). > > Sometimes we face performance regression caused by napi_tx, > then we need to switch napi_tx when

[PATCH net-next] virtio-net: switch napi_tx without downing nic

2023-12-20 Thread Heng Qi
virtio-net has two ways to switch napi_tx: one is through the module parameter, and the other is through coalescing parameter settings (provided that the nic status is down). Sometimes we face performance regression caused by napi_tx, then we need to switch napi_tx when debugging. However, the exi