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Re: [Xen-devel] debugging libxc / builders

from [Mark Williamson]

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Subject:	Re: [Xen-devel] debugging libxc / builders
From:	Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date:	Thu, 23 Jun 2005 17:45:58 +0100
Cc:	Tim Newsham <newsham@xxxxxxxx>
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>    - When I run 'xm create', what process calls down to the
>      xc_builder stuff?  Can I attach to it with gdb?

It gets called from Xend (from a thread in Xend, if you're using unstable).  

You might be able to attach using gdb...  Not sure how easy it would be to do 
something useful.

>    - Is there any way to spit out debug output (printf?)?  Where
>      would it go?

I fprintf to stderr, with the output appearing magically 
in /var/log/xend-debug.log

>    - If I make changes and do a make install in tools, what do
>      I have to restart to put the new code into use?  xend restart?

Restarting Xend should be OK.

HTH,
Mark

> Any hints or tips appreciated.
>
> Tim Newsham
> http://www.lava.net/~newsham/
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

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