Add SpinLock "pause" instructions and performance benchmark#443

Merged

lalitb merged 2 commits intoopen-telemetry:masterfrom jsuereth:wip-spinlock-benchmark-and-pause

Jan 5, 2021

+182-3

Commits on Dec 29, 2020

Update spin-lock implementation to use incremental back-off strategy and be single-CPU friendly(ish)
jsuereth
committed

Commits on Jan 5, 2021

Merge branch 'master' into wip-spinlock-benchmark-and-pause
lalitb
authored