The Practice Method to Speed Up 10x Boot-up Time for Guest in Alibaba Cloud

The Practice Method to Speed Up 10x Boot-up Time for Guest in Alibaba Cloud

Linux Foundation via YouTube Direct link

Optimization design

10 of 11

10 of 11

Optimization design

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The Practice Method to Speed Up 10x Boot-up Time for Guest in Alibaba Cloud

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  1. 1 Intro
  2. 2 Agenda Background
  3. 3 What is the problem? Dma_map all the guest memory when there is passthrough device
  4. 4 Guest boot & QEMU initialization time vs memory size
  5. 5 Options
  6. 6 Architecture Overview
  7. 7 virtio balloon communication Related functions and struct
  8. 8 Balloon range tracking workflow
  9. 9 Guest boot process with async dma map
  10. 10 Optimization design
  11. 11 Achievements

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