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Subject: Re: [PATCH net v4 1/2] net: sched: fix packet stuck problem for
 lockless qdisc
From:   Yunsheng Lin <linyunsheng@huawei.com>
To:     Michal Kubecek <mkubecek@suse.cz>
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Message-ID: <f06355b4-2b00-fc52-4d9d-9c866436e559@huawei.com>
Date:   Fri, 30 Apr 2021 11:15:01 +0800
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On 2021/4/30 11:11, Yunsheng Lin wrote:
> On 2021/4/23 17:42, Yunsheng Lin wrote:
>> On 2021/4/21 17:25, Yunsheng Lin wrote:
>>> On 2021/4/21 16:44, Michal Kubecek wrote:
>>>
>>>>
>>>> I'll try running some tests also on other architectures, including arm64
>>>> and s390x (to catch potential endinanity issues).
>>
>> I tried debugging nperf in arm64, with the below patch:
>>
>> Any idea what went wrong here?
>>
>> Also, Would you mind running netperf to see if there is similar issue
>> in your system?
> 
> Hi, Michal
>     I was able to reproduce the fluctuation for one thread TCP_STREAM test,

I was *not* able
Sorry for the typo.

> So I am assuming it may more related to test environment or nperf issue.
> 
>    I plan to send v5 with netdev queue stopped handling after the golden
> holiday in china. If there is any issue with patchset, please let me know,
> thanks.
> 
>>
>>>>
>>>> Michal
>>>>
>>>> .
>>>>
>>>
>>>
>>> .
>>>
>>
>>
>> .
>>
> 
> 
> .
>