[Xen-devel] RE: xl features missing

[Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>]

> From: Dan Magenheimer
> Subject: xl features missing
> 
> FYI, I finally got a chance to play with xl a bit in
> xen-unstable and quickly discovered the following:

> - xl create doesn't handle the possibility that tmem
>   has memory which is freeable (xm create does)

This appears to be an indicator of a bigger issue unless
there is some code somewhere I am missing.

Can "xl create" deal with ballooning memory from dom0, as is
done in the free() method in tools/python/xen/xend/balloon.py?
If not, doesn't that mean that xl is useless on systems
where dom0_mem= isn't specified as a boot option?

Since tmem leverages this method to recover freeable
memory when creating a new guest, tmem also needs this
else xl is also useless on a tmem-enabled system.

And in either case, it appears that the error handling
for "out of memory" spews meaningless error messages.

> - xl tmem-freeable doesn't exist (xm tmem-freeable does)

Patch submitted.

> - xl vncviewer doesn't exist (xm vncviewer does)

Doesn't look too hard, but haven't tried it yet.  This
is something I use all the time though so would be nice
to have.



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