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Re: [Xen-users] Network performance with HVM DomU

On Thu, May 26, 2016 at 06:08:36PM +0200, Christoph wrote:
> > 
> > Since I've been dealing with netfront issues recently also (not on Linux
> > or
> > Windows), I would recommend that you take a capture of the packets seen
> > in
> > the bridge using tcpdump and analize it with Wireshark or something
> > similar. FWIW, I use the following rune in order to make tcpdump
> > generate a
> > file that I can open with Wireshark (this is all on Dom0):
> > 
> > # brctl show
> > (then you will have to identify a vif that belongs to one of the DomUs
> > involved in the transaction, they have the format vif<domid>.<order>).
> > # tcpdump -n -i <if> -s0 -w <output>.pcap
> > 
> > Then you can open the resulting <output>.pcap and check for
> > retransmissions,
> > or anything strange.
> > 
> > Roger.
> > 
> Im using the gplpv drivers from this site:
> http://wiki.univention.com/index.php?title=Installing-signed-GPLPV-drivers
> it is ok?

TBH, I don't know which ones are better, but there's also a Windows PV 
drivers sub-project hosted by the Xen Project itself:


That page contains information about the drivers and how to install them. 
You might one to give those a try in case they solve your issues.


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