On 2021/3/20 3:45, Cong Wang wrote:
> On Fri, Mar 19, 2021 at 2:25 AM Yunsheng Lin wrote:
>> I had done some performance test to see if there is value to
>> fix the packet stuck problem and support lockless qdisc bypass,
>> here is some result using pktgen in 'queue_xmit' mode on a dummy
>> device
On 2021/3/20 3:40, Cong Wang wrote:
> On Wed, Mar 17, 2021 at 11:52 PM Yunsheng Lin wrote:
>>
>> Lockless qdisc has below concurrent problem:
>> cpu0 cpu1
>> . .
>> q->enqueue .
>> . .
>>q
On Fri, Mar 19, 2021 at 2:25 AM Yunsheng Lin wrote:
> I had done some performance test to see if there is value to
> fix the packet stuck problem and support lockless qdisc bypass,
> here is some result using pktgen in 'queue_xmit' mode on a dummy
> device as Paolo Abeni had done in [1], and using
On Wed, Mar 17, 2021 at 11:52 PM Yunsheng Lin wrote:
>
> Lockless qdisc has below concurrent problem:
> cpu0 cpu1
> . .
> q->enqueue .
> . .
>qdisc_run_begin().
> .
On 2021/3/18 14:53, Yunsheng Lin wrote:
> Lockless qdisc has below concurrent problem:
> cpu0 cpu1
> . .
> q->enqueue .
> . .
>qdisc_run_begin().
> .
Lockless qdisc has below concurrent problem:
cpu0 cpu1
. .
q->enqueue .
. .
qdisc_run_begin().
. .
dequeue_skb() .
.
