__field_
__field_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, \
__field_(r_name, r_value, r_idx_1, f_offset, f_bytes, f_name)
__field_(r_name, r_value, r_idx_1, c_offset, c_size, c_name)
__field_(r_name, r_value, r_idx_1, a_offset, a_size, a_name)