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The Practice Method to Speed Up 10x Boot-up Time for Guest in Alibaba Cloud
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- 1 Intro
- 2 Agenda Background
- 3 What is the problem? Dma_map all the guest memory when there is passthrough device
- 4 Guest boot & QEMU initialization time vs memory size
- 5 Options
- 6 Architecture Overview
- 7 virtio balloon communication Related functions and struct
- 8 Balloon range tracking workflow
- 9 Guest boot process with async dma map
- 10 Optimization design
- 11 Achievements
