Re: [Xen-users] xenmon

["Tim Wood" <twwood@xxxxxxxxx>]

Serge,
Sounds like you haven't set your xen trace stuff running (not sure of the technical term...)
Try running these commands:

# tbctl 1
# setsize 10

then run xenmon and it should work.

Kaleb - your tutorial looks interesting, I look forward to reading more of it when it is complete.

On 5/11/06, Serge Dubrouski <sergeyfd@xxxxxxxxx> wrote:

And what could be the reason fort this:

#xenmon.py
xenbaked: no process killed
ms_per_sample = 100
Initialized with 2 cpu's
CPU Frequency = 2388.52
ERROR: Failure to get trace buffer pointer from Xen (22 = Invalid argument)
xenbaked: no process killed


==========================0.00%===========

Thanks.

On 5/10/06, Kaleb Pederson <kibab@xxxxxxxxxxxx> wrote:
> I haven't seen that behavior.  In 3.0.2, I had to change the xenbaked call in
> xenmon so that it would redirect stdout to /dev/null as it kept outputting
> some debugging code that I presume accidently was left in.
>
> The output should look something like this (note, I'm only display the left
> half of the screen as otherwise it would wrap in e-mail and look awful based
> on my terminal width):
>
>  CPU = 0        Last 10 seconds
>  ============================================
>  0   775.49 ns   0.00%       272.49 us/ex
>  0                           6.24 ms/ex
>  0   59.38 us    0.01%       0.00 ns/io
>  0   13.87 ns    0.00%       4.87 us/ex
>  0                           0/s
>  0   0/s                     0/ex
>  31  59.39 us    0.01%       20.87 ms/ex
>  31                          992.84 ms/ex
>  31  130.57 ns   0.00%       0.00 ns/io
>  31  777.88 ns   0.00%       273.33 us/ex
>  31                          0/s
>  31  0/s                     0/ex
>                   0.01%
>
> I'm in the middle of playing with all the monitoring capabilities and am
> writing up a tutorial, of sorts, on this functionality.
>
> There are a few things that you might find relevant in the following:
>
> http://kibab.homeip.net/hw/vienna_hw6/tutorial.html
>
> It's a work in progress for one of my classes, but is hopefully decent.
>
> --Kaleb
>
> On Wednesday 10 May 2006 1:20 pm, Ray Bryant wrote:
> > When I run xenmon.py on my x86_64 box (dual core, single socket),  I get a
> > single line of incomprehensible output at the top of the screen.    It
> > looks something like this (extra spaces & ='s removed to make it fit):
> >
> >  =     99.96%  99.98%======18.70ms/exx======Waitedd============
> >
> > Is this a known problem?    What is the output supposed to look like?
>
>
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>
>
>

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