[igt-dev] ✗ Fi.CI.IGT: failure for tests/perf_pmu: Use absolute tolerance in accuracy tests (rev2)

[Tvrtko Ursulin]

Much better accuracy with these tweaks.

Looks like WC writes and ioctls were slow and were affecting the 
self-calibration. Although I don't have the explanation on why were the 
50% tests most affected, especially compared with 2% ones. Shrug.

Will it be good enough for KASAN enabled runs I don't know.

Regards,

Tvrtko

On 09/03/2018 16:20, Patchwork wrote:
> == Series Details ==
> 
> Series: tests/perf_pmu: Use absolute tolerance in accuracy tests (rev2)
> URL   : https://patchwork.freedesktop.org/series/39518/
> State : failure
> 
> == Summary ==
> 
> ---- Possible new issues:
> 
> Test kms_cursor_crc:
>          Subgroup cursor-64x64-random:
>                  pass       -> INCOMPLETE (shard-hsw)
> 
> ---- Known issues:
> 
> Test gem_eio:
>          Subgroup in-flight:
>                  incomplete -> PASS       (shard-apl) fdo#105341
> Test kms_cursor_crc:
>          Subgroup cursor-256x256-suspend:
>                  incomplete -> PASS       (shard-hsw) fdo#103375 +1
> Test kms_vblank:
>          Subgroup pipe-a-ts-continuation-dpms-suspend:
>                  incomplete -> PASS       (shard-hsw) fdo#103540
> 
> fdo#105341 https://bugs.freedesktop.org/show_bug.cgi?id=105341
> fdo#103375 https://bugs.freedesktop.org/show_bug.cgi?id=103375
> fdo#103540 https://bugs.freedesktop.org/show_bug.cgi?id=103540
> 
> shard-apl        total:3467 pass:1825 dwarn:1   dfail:0   fail:8   skip:1632 time:12322s
> shard-hsw        total:3421 pass:1754 dwarn:1   dfail:0   fail:1   skip:1663 time:10826s
> shard-snb        total:3467 pass:1364 dwarn:1   dfail:0   fail:2   skip:2100 time:7013s
> Blacklisted hosts:
> shard-kbl        total:3281 pass:1838 dwarn:9   dfail:0   fail:9   skip:1423 time:8774s
> 
> == Logs ==
> 
> For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_1094/shards.html
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