blktests failures with v6.12 kernel

[Yu Kuai]

Hi,

在 2024/11/26 10:19, Shinichiro Kawasaki 写道:
> #5: throtl/001 (CKI project, s390 arch)
> 
>    Recently, CKI project added a configuration to run the blktests thortl group,
>    and failures have been repeatedly observed for s390 architecture [7]. I
>    suspect the failure message below implies that system performance may affect
>    the test result. Further debug is needed.
> 
>    throtl/001 (basic functionality)                             [failed]
>        runtime    ...  6.309s
>        --- tests/throtl/001.out	2024-11-23 20:53:13.446546653 +0000
>        +++ /mnt/tests/s3.amazonaws.com/arr-cki-prod-lookaside/lookaside/kernel-tests-public/kernel-tests-production.zip/storage/blktests/throtl/blktests/results/nodev/throtl/001.out.bad	2024-11-23 20:53:21.332699696 +0000
>        @@ -1,6 +1,6 @@
>         Running throtl/001
>        +2
>         1
>        -1
>        -1
>        +2
>         1

Perhaps can we have a quick try, and check if issuing IO to a null_blk
in this platform, the latency can't be ignored in seconds.

Thanks,
Kuai