[Spice-devel] Questions about spice tools being installed by default

[Jonathon Jongsma]

On Mon, 2016-10-31 at 19:06 +0100, Victor Toso wrote:
> Hi,
> 
> On Mon, Oct 31, 2016 at 01:31:00PM -0400, Jeremy Bicha wrote:
> > 
> > On Mon, Oct 31, 2016 at 1:09 PM, Victor Toso <lists at victortoso.com>
> > wrote:
> > > 
> > > * spice-vdagent makes some interactions with the guest possible;
> > >   clipboard exchange between client <-> guest is possible thanks
> > > to this
> > >   daemon; copying files over drag-and-drop as well; and a few
> > > other
> > >   features
> > 
> > Does it make performance any better?
> 
> Hard to say. At some point when the agent was necessary for changing
> the
> resolution, I would yes - but nowadays the kernel/video drivers
> handle
> that directly if I'm not mistaken.

Not quite true. The kernel and driver do handle the resolution change
on recent distributions. But as far as I remember, the vdagent must be
connected in order for the client to actually send monitor
configuration messages. So, even though the vdagent executable isn't
responsible for actually changing the resolution, it still must be
running.

> 
> The agent is mostly necessary to enable some nice interaction between
> client and guest.
> 
> > 
> > 
> > > 
> > > * qemu-guest-agent: we don't use it at all
> > 
> > Oh? I saw it listed at
> > https://gitlab.com/libosinfo/osinfo-db/blob/master/data/install-scr
> > ipt/fedoraproject.org/fedora-kickstart-desktop.xml.in#L156
> > 
> > Jeremy
> 
> Boxes uses it, we might even ship that [0] on our spice-guest-tools
> (for
> windows) but spice itself does not use it AFAIC
> 
> [0] https://bugs.freedesktop.org/show_bug.cgi?id=93022
> 
>   toso
> 
> > 
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