RE: [Xen-users] Terrible Xen 3.4 performance

[elli_dberg@xxxxxx]

Hi Ian,

this is the outpu of xm top:

NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%) VCPUS NETS 
NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR SSID
Domain-0 -----r        357    4.3     260864    3.1   no limit       n/a     2  
  4  after this come only "0"s

the normal $top doesn't show any strong CPU usage neither (xorg with a few %)

Thank you,
Elisabeth 

"Ian Tobin" <itobin@xxxxxxxxxxxxx> schrieb am 25.06.2009 13:54:06:
Have you ran the obvious, top to see if the CPU is being hammered?

Xm top to see what the dom U are doing

thanks
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of elli_dberg@xxxxxx
Sent: 25 June 2009 12:49
To: Nikola K. Zahariev
Cc: Xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Terrible Xen 3.4 performance

Hi Nikola,

thank you for your quick response. I tried to disable them but there was no 
/lib/tls to be moved. Do you think this might be the problem - that i don't 
have tls?

Thank you,
Elisabeth 


"Nikola K. Zahariev" <nirangor@xxxxxxxxx> schrieb am 25.06.2009 13:37:23:
Hi,

Try to disable the TLS libraries.

mv /lib/tls /lib/tls.disabled

Regards,
Nikola

On Thu, Jun 25, 2009 at 1:31 PM, <elli_dberg@xxxxxx> wrote:
> Hello everybody,
>
> First I need to mention this is my first contact with Xen and virtual 
> machines at all.
>
> I compiled the xen linux kernel, installed xen, tools, etc. and just booted 
> for the first time with the xen-linux kernel. Well, it works but it's not 
> really possible to work on this machine. The performance is terrible. For 
> example, it takes up to 1-2 minutes until I can switch between windows or to 
> open the terminal. It took like incredibly long time after booting to show 
> the initial Ubuntu screen, probably 5 minutes or longer. I can even hardly 
> move the mouse and as soon as I try to open a program (terminal or firefox) 
> everything freezes.
>
> I got Xen 3.4 with kernel 2.6.18.
>
> I would be happy if you could point me to some probable solutions or the 
> issue I might be having. I got no no idea what the problem could be.
>
> Thank you all in advance!
> Elisabeth
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