[Intel-gfx] [PATCH i-g-t 05/11] tests/perf: rework oa-exponent test

[Matthew Auld]

On 22 August 2017 at 15:56, Lionel Landwerlin
<lionel.g.landwerlin at intel.com> wrote:
> On 10/08/17 14:15, Matthew Auld wrote:
>
> On 4 August 2017 at 12:20, Lionel Landwerlin
> <lionel.g.landwerlin at intel.com> wrote:
>
> New issues that were discovered while making the tests work on Gen8+ :
>
>  - we need to measure timings between periodic reports and discard all
>    other kind of reports
>
>  - it seems periodicity of the reports can be affected outside of RC6
>    (frequency change), we can detect this by looking at the amount of
>    clock cycles per timestamp deltas
>
> I think this would be easier to review if we split this into two patches...
>
> Also, somewhat worrying is that I've yet to see the oa-exponents test
> pass on my BDW machine.
>
> See here:
> https://paste.fedoraproject.org/paste/SmOw7eHEGOTjrLsvPVcZOw/raw
>
> Was your screen off?

I don't think so, same result with it on/off though. I'm guessing that
is passes for you then?

Here's the pastebin again, since the other one is now toast:
https://paste.fedoraproject.org/paste/tjSb4jPZ87sWjhj7qAD~UA/raw