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Re: [Xen-devel] debugging libxc / builders

To: xen-devel@xxxxxxxxxxxxxxxxxxx
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.


> Any hints or tips appreciated.
> Tim Newsham
> http://www.lava.net/~newsham/
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