Performance Regression due to ASPM disable patch

Linux regression tracking #update (Thorsten Leemhuis) regressions at leemhuis.info
Tue Jul 25 06:43:27 PDT 2023


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On 13.07.23 14:37, Linux regression tracking #adding (Thorsten Leemhuis)
wrote:

> On 12.07.23 17:55, Anuj Gupta wrote:
>>
>> I see a performance regression for read/write workloads on our NVMe over
>> fabrics using TCP as transport setup.
>> IOPS drop by 23% for 4k-randread [1] and by 18% for 4k-randwrite [2].
> 
> #regzbot ^introduced e1ed3e4d91112027b90c7ee61479141b3f94
> #regzbot title net: r8169: performance regression for read/write
> workloads on our NVMe over fabrics
> #regzbot ignore-activity

The fix did not properly link to the report (it only linked to a reply
in the thread), hence regzbot missed it:

#regzbot fix: e31a9fedc7d8d8
#regzbot ignore-activity

/me meanwhile wonders if it'S worth teaching regzbot how to handle these
cases

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