[Barrelfish-users] About porting application to Barrelfish

tomsun.0.7 tomsun.0.7 at gmail.com
Mon Feb 2 15:54:27 CET 2015

Dear Zaheer,

Thanks a lot for the reference of cross compiler (though I've finished some
basic parts of Click),
it will be quite useful for my future work. These days, I have some
problems on the network drivers.
I need to leverage polling mode of NICs to improve performance, which is
not supported by e1000
driver? Why?
And I tried to assign a device to Barrelfish (by QEMU), then the CPU
stucks, do you have any similar
experience on it?


On Mon, Feb 2, 2015 at 10:37 PM, Zaheer Chothia <zaheer.chothia at gmail.com>

> Dear Tom,
> > These days, I am considering porting some network applications (like Bro,
> > Click, etc.) to Barrelfish. But I don't know how to start, for example,
> how
> > to write a Hakefile when original Makefile is quite complex? And what
> > interfaces should I modify to make them work?
> That sounds interesting and having Click running would be a very useful
> contribution.  I suspect the biggest porting challenge would be dealing
> with the network stack (currently based on lwIP; can be fragile).
> As a starting point, gather a list of all library functions invoked and
> check whether they are available on Barrelfish.  One way of doing this
> is to compile natively and inspect the binary:
>   $ objdump --syms myexe | grep 'UND' | sed 's/.* \(.*\)/\1/' | sort
> As for dealing with external build systems, have a look at [1].  You
> can build a full cross-compiler and use it directly with autoconf/CMake
> rather than converting everything to Hake.
> Best regards,
> --Zaheer
> [1] http://wiki.barrelfish.org/CrossCompiler
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