On Tue, 2006-02-21 at 13:19 -0600, Jan Depner wrote: > There's a bunch of information on that on my site (albeit outdated). > Tuning the disk drives is a must and it *will* help but there are > instances where the disk drive is busy and you can't get to it no > matter > how well tuned it is. I prefer to minimize any chance of that. You > have to remember that unless you're running RTLinux or VXWorks (or DOS > or VMS) you're not running a hard real time system. Shit happens. > The -rt kernel with fuill preemption actually is a hard real time system (no one claims it is in the same league of reliability as QNX or VXWorks, yet...) - it should be able to guarantee response times. Of course the best RTOS in the world won't save you from apps that do disk or GUI stuff in a non RT safe way, or from buggy ACPI implementations that disappear the CPU out from under the OS for milliseconds... Lee
