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grsecurity support • Kaby Lake vs Sandy Bridge

Hello,
I noticed that there is high CPU usage in kernel in many cases on Sandy Bridge CPU.
For example reading small file cached in memory takes at least 0.1 ms kernel CPU time. I haven't tested with non-grsec kernel.
Do new instructions like SMAP/SMEP supported by Kaby Lake CPUs make CPU usage lower?
Is Kaby Lake GPU affected by higher CPU usage of grsec kernel? Kaby Lake GPU is almost same as Sky Lake GPU.

Statistics: Posted by KDE — Sun Mar 26, 2017 7:58 am — Replies 3 — Views 22578



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