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

[Dixit, Ashutosh]

On Fri, 21 Feb 2025 14:38:23 -0800, Umesh Nerlige Ramappa wrote:
>
> When looking at kernel ftrace output, it would really help to see the
> test start/exit boundaries.
>
> v2: Fix copy paste error

Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>

> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa at intel.com>
> ---
>  lib/igt_core.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/lib/igt_core.c b/lib/igt_core.c
> index b95db1b25..9702a9417 100644
> --- a/lib/igt_core.c
> +++ b/lib/igt_core.c
> @@ -1324,6 +1324,7 @@ out:
>	if (!igt_only_list_subtests()) {
>		bind_fbcon(false);
>		igt_kmsg(KMSG_INFO "%s: executing\n", command_str);
> +		igt_trace("%s: executing\n", command_str);
>		print_version();
>		igt_srandom();
>
> @@ -1528,6 +1529,7 @@ bool __igt_run_subtest(const char *subtest_name, const char *file, const int lin
>
>	igt_kmsg(KMSG_INFO "%s: starting subtest %s\n",
>		 command_str, subtest_name);
> +	igt_trace("%s: starting subtest %s\n", command_str, subtest_name);
>	_subtest_starting_message(_SUBTEST_TYPE_NORMAL, subtest_name);
>
>	_igt_log_buffer_reset();
> @@ -1681,6 +1683,8 @@ __noreturn static void exit_subtest(const char *result)
>				igt_time_elapsed(thentime, &now));
>	igt_kmsg(KMSG_INFO "%s: finished subtest %s, %s\n",
>		 command_str, *subtest_name, result);
> +	igt_trace("%s: finished subtest %s, %s\n",
> +		  command_str, *subtest_name, result);
>
>	igt_terminate_spins();
>
> --
> 2.34.1
>