print_line
.print_line = blk_tracer_print_line,
if (iter->trace && iter->trace->print_line) {
ret = iter->trace->print_line(iter);
enum print_line_t (*print_line)(struct trace_iterator *iter);
.print_line = print_graph_function,
.print_line = irqsoff_print_line,
.print_line = irqsoff_print_line,
.print_line = irqsoff_print_line,
.print_line = mmio_print_line,
.print_line = wakeup_print_line,
.print_line = wakeup_print_line,
.print_line = wakeup_print_line,
print_line(win, i, width);