LCE13: Real-Time and Foundational Features for Networking Space
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LCE13: Real-Time and Foundational Features for Networking Space

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Resource: LCE13

Resource: LCE13
Name: Real-Time and Foundational Features for Networking Space
Date: 10-07-2013
Speaker: Mike Holmes
Video: https://www.youtube.com/watch?v=Q2zMReEs0Ik

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LCE13: Real-Time and Foundational Features for Networking Space LCE13: Real-Time and Foundational Features for Networking Space Presentation Transcript

  • LNG Foundational Review Mike Holmes LCE13 - Dublin, July 2013 LNG Engineering
  • ● General - make connections ○ Kim connected with Virtualization ○ Gary conceded with Platform ○ Guoqing connected to LNG testing ○ Generally discussions were much more productive in this our second face to face. ○ Still have folks who need a core task ● Educate folks on our activities ○ A robust debate questioning the need to run the dataplane in userspace occurred. The meeting minutes note the strong use cases for requiring the RT patch set. LNG Foundational
  • ● General : Get new use cases ○ Two uses cases were provided related to the session, one supporting RT the other for a slow path back to the kernel from the dataplane. ● Resolve LNG Kernel tree ○ We now have a clear map for the branches and merging operations that are required to create the two LNG Trees moving forward. And how to support the out of step update nature of the RT variant. ○ 3.8 Tree had the final clean up LNG Foundational
  • ● Understand the work needed to be feature complete for LNG KVM - look at the future ○ Very short term need for virtio-networking ○ long term higher performing IO from the guest to SoC HW ○ Test KVM ● Understand the LAVA multinode ○ Multi Node will not be ready in the needed time frame ○ Mitigation will be static IPs and hard wired test cases to utilize the X86 traffic generators that are on order. LNG Foundational
  • ● NO_HZ_FULL ○ Considered a great fit ○ Needs to be enabled in LNG 3.10 kernel ○ Need to apply patch to remove the 1 second tick ○ Test ● Peempt_RT ○ Apply rumored 3.10 RT patch ○ Test ● LNG Foundational
  • ● Testing ● Significant need to get more test cases built into the rootfs and running in LAVA and utilize new analysis tools provided. ● Need improved LAVA support, possibly need LNG member in LAVA. ● RootFS ○ Identified new test cases to be added ○ Updated wiki with instructions on building LNG rootFS LNG Foundational