gltf_profiling.py (Source)

def gltf_export_mesh():
    profiler.enable()
    # ...
    profiler.disable()
def glTF2_post_export_callback(export_settings):
    for obj in export_settings['gltf_user_extensions']:
        if isinstance(obj, glTF2ExportUserExtension):
            obj.print_profiling_stats()