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[WHY & HOW] needed in certain scenarios for debugging and logging Reviewed-by: Joshua Aberback <joshua.aberback@amd.com> Reviewed-by: Martin Leung <martin.leung@amd.com> Signed-off-by: Leo Zeng <Leo.Zeng@amd.com> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>