[yocto] [PATCH][ptest-runner] ptest-runner: Add support to report duration of each ptest

[richard.purdie at linuxfoundation.org]

On Sun, 2019-01-06 at 11:43 -0600, Aníbal Limón wrote:
> In stdout reported as,
> 
> ...
> BEGIN: ptest-dir
> ...
> DURATION: Ns
> END: ptest-dir
> ...
> 
> In XML reported as,
> 
> ...
> <testcase classname='test1' name='run-ptest'>
> 	<duration>Ns</duration>
> </testcase>
> ...

Looks good, thanks!

One minor detail - should this be:

<duration>N</duration>

?

I'm wondering if we should just mandate duration is in seconds and not
put units into the field as it would complicate parsing?

Cheers,

Richard