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SubjectRe: [PCI] dc83615370: will-it-scale.per_process_ops -1.2% regression
On Tue, Jan 12, 2021 at 10:10:45PM +0800, kernel test robot wrote:
> FYI, we noticed a -1.2% regression of will-it-scale.per_process_ops due to commit:
>
> commit: dc83615370e7ebcb181a21a8ad13a77c278ab81c ("PCI: Fix PREL32 relocations for LTO")
> https://git.kernel.org/cgit/linux/kernel/git/kees/linux.git for-next/kspp

O_o Well that's surprising. This only creates stubs.

> will-it-scale.workload
>
> 2.14e+07 +----------------------------------------------------------------+
> |.+. .+ : + +.+. +.+. .+ +.+. .+ : |
> 2.13e+07 |-+ + : +.+ + + + + : |
> | : : + .+.+..+. .+ +. |
> 2.12e+07 |-+ : : + + +.+.|
> | +.+ |
> 2.11e+07 |-+ |
> | |
> 2.1e+07 |-+ O O O O O O O |
> | O O O O O O O O O |
> 2.09e+07 |-+ O |
> | O O |
> 2.08e+07 |-O O O O O |
> | |
> 2.07e+07 +----------------------------------------------------------------+
>
>
> [*] bisect-good sample
> [O] bisect-bad sample

But it's pretty clear _something_ has happened. We'll investigate...

--
Kees Cook

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