[PATCH i-g-t v2] lib/igt_core: Add ftrace logs at test boundaries

[Krzysztof Karas]

Hi Umesh,

> When looking at kernel ftrace output, it would really help to see the
> test start/exit boundaries.
> 
> v2: Fix copy paste error
>

[...]

> +	igt_trace("%s: finished subtest %s, %s\n",
> +		  command_str, *subtest_name, result);
You could fit this on one line.

Apart from that LGTM:
Reviewed-by: Krzysztof Karas <krzysztof.karas at intel.com>

Best Regards,
Krzysztof