1OPTIONS/gprof optional gprof 2 3pexpert/i386/pe_init.c standard 4pexpert/i386/pe_bootargs.c standard 5pexpert/i386/pe_identify_machine.c standard 6pexpert/i386/pe_kprintf.c standard 7pexpert/i386/pe_interrupt.c standard 8pexpert/i386/pe_serial.c standard 9