On Sat, 25 Feb 2023 15:37:02 -0500
Michael Richardson via Bloat <[email protected]> wrote:

> Dave Taht via Bloat <[email protected]> wrote:
>     > I so want to believe... I so want to believe... can anyone confirm?  
> 
>     > 
> https://raw.githubusercontent.com/microsoft/WSL2-Linux-Kernel/linux-msft-wsl-5.15.y/Microsoft/config-wsl
>   
> 
> But, AFAIK, WSL isn't a kernel.  It's an implementation of the Linux ABI on
> top of Windows service(s).  If you told me that they build some of it from
> actual Linux kernel sources, I'd believe you.  (Rather like User-Mode-Linux)
> 
> If you told me that they have a kernel that they build for when they actually
> spin up an actual VM (such as to run containers) that would also be 
> unsurprising.
> 
>     > ...  
> 
>     > CONFIG_NET_SCH_DEFAULT=y
>     > CONFIG_DEFAULT_FQ_CODEL=y
>     > # CONFIG_DEFAULT_PFIFO_FAST is not set
>     > CONFIG_DEFAULT_NET_SCH="fq_codel"  
> 
> It would be nice if the billion windows desktops started doing
> something better, but I don't think it will help observed latency.
> The real question is what the default schedule for the default Azure Linux VM
> is.
> 

I think WSL2 is actually a full Linux VM running in Hyper-V.

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