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vpp-dataplane/docs/corepinning.md

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Core Pinning for Calico/VPP

This patch adds support in VPP for pinning workers to the CPU cores that are assigned by a static allocator.

When kubernetes is configured to run with a static allocator and that VPP starts with requests.CPU equal to limits.CPU and both integer numbers.

having VPP configured with

cpu {
   main-core 0
   corelist-workers 2-3
   relative
}

Will make it so that numbers 0,2,3 do not refer to absolutes CPU IDs but to the 0th, 2nd and 3rd CPU of those allotted by the static core allocator in kubernetes.