SystemTAP translator test coverage

[William Cohen]

Frank Ch. Eigler wrote:
> wcohen wrote:
> 
> 
>>[...]
>>http://people.redhat.com/wcohen/stap_coverage/src/index.html
> 
> 
> Thanks for posting the pretty pictures!
> 
> 
>>There are sections of buildrun.cxx that are not run because the
>>output of the translator was not actually compiled as a module or
>>installed in the kernel. The translator tests do not exercise the
>>tapsets.cxx code either.
> 
> 
> That's odd - the transok/buildok tests should exercise the tapsets.cxx
> code.

Ah, this was on my laptop which doesn't have a matching debuginfo for 
the kernel that is running on it. The results looked a bit better on my 
p6 machine that had a debuginfo matching the kernel.

I have placed the revised results from today's checkout "make gcov" on a 
FC4 pentium M machine at:

http://people.redhat.com/wcohen/stap_coverage/

>>Looking at parse.cxx and translate.cxx there are a number of cases
>>where there are untested error messages [...]
> 
> 
> I guess the small step is for some volunteers to modify (or write new)
> test cases that force those error cases.  The next bigger step is to
> do the same for the other significant chunks of untested code.
> 
> - FChE

-Will