Hi,

Thank you for your help!

I'm modifying the source code of xen-4.4.1,I hope throurh printing debug
information to track the execution order of functions and check the value
of some variables. This is my ultimate goal.

But I don't know how to do it in the python code. I tried to print debug
information into files,but I couldn't find the file I created.

Thanks

2015-10-19 17:04 GMT+08:00 Wei Liu <wei.l...@citrix.com>:

> On Mon, Oct 19, 2015 at 10:22:52AM +0800, 高强 wrote:
> > Hi,alls
> >
> >
> > There are some python code in xen-4.4.1,and in the python code there are
> > lots debug information such as
> > log.debug("*******"),log.exception("*******"),XendError("*****")and so
> on.
> >
> > I want to get this kind of information but I don't know where to get
> them.
> > Can someone tell me?
> >
> > else,I try to use the followed method to tracing program execution
> process:
> >
> > import sys
> > f=open("/home/*****/python.log","a+")
> > print >> f, "Save.py is start\n"
> > f.close()
> >
> > But,I can't find the file python.log while executed end,who can tell me
> why?
> >
>
> Xen 4.4 is using xl toolstack. Xend is not used so no wonder you
> couldn't find any logs.
>
> If you describe your end goal we might provide more concrete
> suggestions.
>
>
> Wei.
>
> > Thanks!
>
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xen.org
> > http://lists.xen.org/xen-devel
>
>
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