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Re: [Xen-devel] 'Sloppier' PCI access checks in main tree


  • To: Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>
  • From: Stijn De Weirdt <stijn.deweirdt@xxxxxxxxx>
  • Date: Thu, 13 Jan 2005 16:10:02 +0100
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 13 Jan 2005 15:11:41 +0000
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hi ian,

i have some more info about the speeding problems 
this is from an installation log 

05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice001 -g alice -u
10417 -c mapped user for alice alice001
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice002 -g alice -u
10418 -c mapped user for alice alice002
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice003 -g alice -u
10420 -c mapped user for alice alice003
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice004 -g alice -u
10454 -c mapped user for alice alice004
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice005 -g alice -u
10472 -c mapped user for alice alice005
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice006 -g alice -u
10511 -c mapped user for alice alice006
05/01/13 15:14:03:    /usr/sbin/usermod -d /home/alice007 -g alice -u
10562 -c mapped user for alice alice007
05/01/13 15:14:03:    /usr/sbin/useradd -d /home/alice008 -g alice -u
10567 -c mapped user for alice alice008
05/01/13 15:17:03:    /usr/sbin/useradd -d /home/alice009 -g alice -u
10618 -c mapped user for alice alice009
05/01/13 15:20:04:    /usr/sbin/useradd -d /home/alice010 -g alice -u
10625 -c mapped user for alice alice010

do you notice the slowdown? is there a way i can monitor the
cpu/mem/ps ax on this vm from dom0 to get more info. the script only
does what it's supposed to do (namely useradd, but that can't give
those problems)

(and what is the correct policy for the /dev/rtc? just disable in
kernel? or only in the vm's, but leave it on in dom0?)

stijn

On Wed, 12 Jan 2005 18:18:37 +0000, Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> wrote:
> 
> > performance is bad (about the network, transfer speeds are high, but a
> > ssh login takes about 40 sec)
> 
> I'll bet that's just an ssh X forwarding issue.
> 
> Try 'ssh -x user@machine'.
> 
> Ian
>


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