Re: [Xen-devel] xm commands run very slow ....

[Ewan Mellor <ewan@xxxxxxxxxxxxx>]

On Wed, Jan 25, 2006 at 09:19:12AM -0500, Himanshu Raj wrote:

> Hi Folks,
> 
> I know it is kind of vague problem, but I am banking of somebody seeing the 
> exact thing.
> 
> I have two machines with everything identical, except on one machine I compile
> xen and on other I just use the binaries compiled on the previous machine.
> 
> Now on first machine, where I compile everything, xm invocation is 
> veeeeeeeeeery
> slow. Although it doesn't seem to be "system" problem. Look at a 
>         time xm list 
> invocation:
>         real 32s
>         user .2s
>         sys  .02s
> 
> On another machine the real time is very close to user+sys.
> 
> I just can't comprehend why this is going on. Any clues will be deeply 
> appreciated.

xm is a client to Xend, talking over HTTP -- xm is simply blocking for 30
seconds waiting for the server -- you need to figure out why the server is
spinning or stalling.

/var/log/xend.log may help.  top may help also.

Ewan.

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