[Bug 80078] [BDW]GFX device consume the same Watt as Idle when it's active

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80078

--- Comment #7 from liulei <lei.a.liu at intel.com> ---
(In reply to comment #6)
> Your hypothesis is valid, I worry that either the measurement itself is
> faulty (I haven't checked if the RAPL registers for the GPU have been moved
> for bdw) or if simply that you haven't generated enough GPU load for it to
> consume significantly more power

Do you have a recommended workload which would generate enough power meter?

>- i.e. it we are not hitting rc6 and if the
> test stays at low frequency throughout, it is plausible for you to not
> measure any difference.
> 
> So repeat your test with a busy workload and see if that then detects a
> difference in GPU power consumption (to validate your testing methodology).
In fact, I have tested three different game demos(3DMMES2_taiji, cs,
OglDrvCtx), and get the same consumption as idle.

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