On Mon, 2008-07-14 at 20:47 +0200, Roberto A. Foglietta wrote: > 2008/7/14 Robert P. J. Day <rpjday@xxxxxxxxxxxxxx>: > > > > is there a good online explanation of the difference WRT linux? > > thanks. > > Sorry for the attachment but an image is better than many words (sometime)! > :-) > > <word on> > hwrt: missing the deadline means crashing the system "system" meaning the controlled thing (like an airplane or a train) and not only the computer. > swrt: missing the deadline means loosing quality of service or just loosing the benefit > <word off> As for the Linux kernel: - soft realtime: Posix-RT-Priorities is probably good enough. - hard real-time: you need (at least) RTAI or RTLinux. Bernd -- Firmix Software GmbH http://www.firmix.at/ mobil: +43 664 4416156 fax: +43 1 7890849-55 Embedded Linux Development and Services -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
