[Bug 110950] RT cpu starvation due to driver threads or memory access

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Aug 28 12:27:48 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=110950

--- Comment #11 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to ANCELOT Stéphane from comment #9)
> Using the command you provided, I can watch an impact.
> 
> The complete cycletime of my process is normally around 700us with non
> graphic interaction
> 
> When the GPU uses default settings, and there is graphic activity this time
> raises up to 1.3ms.
> 
> Reducing the frequency with the command you provided reduces this time to
> 1ms .

GPU causes memory contention with a RT app. There is nothing we can help if the
RT app is very important to you.

To me, system works as expected and no changes needed in this case. I would
like to close this bug as WORKSFORME.

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