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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Jun 20 08:44:39 UTC 2019


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

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
Intel J1900

https://ark.intel.com/content/www/us/en/ark/products/78867/intel-celeron-processor-j1900-2m-cache-up-to-2-42-ghz.html

So Baytrail. Hmm. That shouldn't be as bad for RT as we don't need interrupt
processing to keep the GPU feed (I automatically assumed the complaint would be
about execlists which has much more noticeable impact on RT). On the other
hand, we don't perform GPU preemption.

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