Loading…
Attending this event?
Back To Schedule
Thursday, October 29 • 10:00 - 10:30
KVM Latency Performance Tuning - Wanpeng Li, Tencent

Sign up or log in to save this to your schedule, view media, leave feedback and see who's attending!

Log in to leave feedback.
The KVM hypervisor is at the core of cloud computing, some customers from financial, online shopping, and gaming etc are sensitive to latency, IPI and Timer cause the main MSRs write vmexit in cloud environment. Preempted vCPU can block synchronized multicast function call IPIs or worse Lock Waiter Preemption Issue. In this presentation, we will introduce some features that can reduce latency in kvm hypervisor, including Fast IPI delivery, Fast timer emulation, and some features that can improve scalability, including Boost preempted vCPU, Yield to IPI target, and so on.

Speakers
avatar for Wanpeng Li

Wanpeng Li

Linux Kernel Contributor, Tencent Cloud
Wanpeng Li is a 8 years experienced Linux kernel/virtualization developer who works in Tencent Cloud currently. He mainly focus on KVM, scheduler and memory management. In KVM, he contributes a lot of features to improve performance and stability. He has experience worked in IBM LTC... Read More →



Thursday October 29, 2020 10:00 - 10:30 GMT
KVM Theater
  KVM Track 2
  • Technical Skill Level Any