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USENIX ATC '21 - SKQ: Event Scheduling for Optimizing Tail Latency in a Traditional OS Kernel Siyao Zhao, Haoyu Gu, and Ali José Mashtizadeh ...
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Background
Workload imbalance
What is SKQ?
Scalability Benchmarks
SKQ Scheduling Policies
Queue Affinity policy
Benchmark: CPU Affinity vs Queue Affinity
Load-Balancing Policies
SKQ Hybrid Policies
Results: Kernel Bypass vs Event Scheduling