On 2020-07-26 19:58, Eric Dumazet wrote:
>
>
> On 7/26/20 10:19 AM, Felix Fietkau wrote:
>> On 2020-07-26 18:49, Eric Dumazet wrote:
>>> On 7/26/20 9:31 AM, Felix Fietkau wrote:
For some drivers (especially 802.11 drivers), doing a lot of work in the
NAPI
poll function does not pe
On 7/26/20 10:19 AM, Felix Fietkau wrote:
> On 2020-07-26 18:49, Eric Dumazet wrote:
>> On 7/26/20 9:31 AM, Felix Fietkau wrote:
>>> For some drivers (especially 802.11 drivers), doing a lot of work in the
>>> NAPI
>>> poll function does not perform well. Since NAPI poll is bound to the CPU it
On 2020-07-26 18:49, Eric Dumazet wrote:
> On 7/26/20 9:31 AM, Felix Fietkau wrote:
>> For some drivers (especially 802.11 drivers), doing a lot of work in the NAPI
>> poll function does not perform well. Since NAPI poll is bound to the CPU it
>> was scheduled from, we can easily end up with a few
On 7/26/20 9:31 AM, Felix Fietkau wrote:
> For some drivers (especially 802.11 drivers), doing a lot of work in the NAPI
> poll function does not perform well. Since NAPI poll is bound to the CPU it
> was scheduled from, we can easily end up with a few very busy CPUs spending
> most of their tim
