Query regarding covoar

Vijay Kumar Banerjee vijaykumar9597 at gmail.com
Mon Jul 2 23:38:22 UTC 2018


On Tue, 3 Jul 2018, 04:32 Joel Sherrill, <joel at rtems.org> wrote:

>
>
> On Mon, Jul 2, 2018 at 5:50 PM, Vijay Kumar Banerjee <
> vijaykumar9597 at gmail.com> wrote:
>
>> Hello,
>>
>> I wanted some help in understanding the
>> function of the following files in covoar
>>
>> 1. qemu-dump-trace.c
>>
>
> Print the couverture trace file in human readable format. Ensure that
> covoar can read it correctly. This is the main() for a utility.
>
> If gcc doesn't have one, a gcno and gcda dump would be comparable
> and useful utilities.
>
>
how to run this ?

> 2. CoverageReaderQEMU.cc
>>
>
> Read a Qemu trace and put it into a coverage map. This is an
> input converter. Each supported trace format (e.g. qemu, tsim)
> has a reader class.
>
> For some formats, there is also a Writer class. The Coverage
> RTEMS format was intended for debugging and interchange
> with TBD tools.
>
>
>> 3. TraceConverter.cc
>>
>
>  This is a simple utility which uses a reader and writer instance
> to read from one format and write to another. This was envisioned
> to help interoperate with tools which only knew one coverage format.
> Say you ran qemu but had tools to process tsim coverage files.
> Convert them.
>
> Note: Trace files like qemu have more information available than
> bit map coverage files like tsim or skyeye.
>
Thank you for the answer, I will come up with more questions
as I dig deeper. :)

>
>
>>
>> If the information I'm seeking is already
>> present in a documentation, the link to
>> the doc would be helpful. :)
>>
>
> Everyone's a comedian. This stuff needs more documentation. :)
>
> Badly. Maybe the summer of code is followed by you and I having
> a winter of documentation.
>
This really needs more documentation.
I'm up for the WOD. ;)

>
> --joel
>
>>
>> Thanks
>> --vijay
>>
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>> http://lists.rtems.org/mailman/listinfo/devel
>>
>
>
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