Re: Network performance regression with linux 6.1.y. Issue bisected to "5eddb24901ee49eee23c0bfce6af2e83fd5679bd" (gro: add support of (hw)gro packets to gro stack)

["Linux kernel regression tracking (Thorsten Leemhuis)" <regressions@leemhuis.info>]

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On 06.01.23 09:36, Linux kernel regression tracking (#adding) wrote:

> On 05.01.23 18:37, Jaroslav Pulchart wrote:
>> Hello,
>>
>> I would like to report a 6.1,y regression in a network performance
>> observed when using "git clone".
>>
>> BAD: "git clone" speed with kernel 6.1,y:
>>    # git clone git@github.com:..../.....git
>>    ...
>>    Receiving objects:   8% (47797/571306), 20.69 MiB | 3.27 MiB/s
>>
>> GOOD: "git clone" speed with kernel 6.0,y:
>>    # git clone git@github.com:..../.....git
>>    ...
>>    Receiving objects:  72% (411341/571306), 181.05 MiB | 60.27 MiB/s
>>
>> I bisected the issue to a commit
>> 5eddb24901ee49eee23c0bfce6af2e83fd5679bd "gro: add support of (hw)gro
>> packets to gro stack". Reverting it from 6.1.y branch makes the git
>> clone fast like with 6.0.y.
> 
> Thanks for the report. To be sure the issue doesn't fall through the
> cracks unnoticed, I'm adding it to regzbot, the Linux kernel regression
> tracking bot:
> 
> #regzbot ^introduced 5eddb24901ee49eee23c0bfce6af2e83fd5679bd
> #regzbot title net: gro: Network performance regressed
> #regzbot ignore-activity

#regzbot fix: 7871f54e3dee

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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#regzbot ignore-activity