2022-10-14 Project Stratos Meeting notes
Date
Oct 14, 2022
Participants
@Alex Bennée
@Don Harbin
@Arnd Bergmann
@Stefano Stabellini
@Mathieu Poirier
@Mike Holmes
@Vincent Guittot
@Leonardo Garcia
@Trilok Soni
@Anmar Oueja
Srivasta (QC)
Agenda
Discussion topics
AJB: intro and discussion
MP: Maybe we should aim at the basic implementation first
MH: whos using the camera
SR: What does it it mean in the context of virtualization
do multiple VMs consume the cameras?
AJB: it’s hard to think of but maybe for camera we can see use cases where the data is classified by the IP or a seperate VM process parallel to the main system
SS: assuming clients using V4L - can you use that?
AJB: multiple clients consuming at userspace?
SS: no VM consume V4L then streaming to following guests
AB: in a virtio interface we would be nessecity have to limit the subset
AB: would this be consume via V4L and re-injected
SS: showing a kernel device on the FE would be more complex
LG: what is the requirement we are trying to solve - you could just stream through the network
conversation about the benefits about network streams vs real HW
SS: network stream can become even more complex
MP: for the BP automotive program hitting network issues
SS: the latency stuff?
SS: maybe one guest won’t use the V4L interface
SS: how is it going to behave on the network - optimised for sending data out vs VM-to-VM
AJB: the requirements on networking very at odds between automotive and mobile
MP: we should start simple and explore those cases
AJB: mentions its a shame there
TS: don’t just do a demo - doing it the right way round (spec first)
Specs First!!! MVP second
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