Re: [Qemu-devel] [PATCH/RFC 0/7] Screendump to UNIX socket & in PNG format

[Eric Blake <eblake@redhat.com>]

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On 03/12/2012 07:11 AM, Marc-André Lureau wrote:
> Hi,
> 
> The current screendump command can only save to disk very large PPM files.
> 
> The following patches add support for screendump in a UNIX socket, following the syntax used for migration URI: "unix:/path/to/socket". 

Libvirt would also benefit from screendump to fd:name (where name refers
to an fd passed via getfd).

> 
> The last 3 patches add support for dumping in PNG format. This can reduce the size of the image by a great factor (x10 is not unusual), and is also a more convenient format than PPM. Currently, it dumps in PNG by checking if the path ends with ".png", we may want to have a seperate option for that instead,

You will need a separate option for this, if you add fd:name parsing,
since name won't necessarily have a .png suffix (I guess libvirt could
use getfd to name an fd with a .png suffix, but that seems weird).

-- 
Eric Blake   eblake@redhat.com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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