Howto implement a periodic real-time task?

Udo A. Steinberg udo at hypervisor.org
Tue Jul 21 20:18:52 CEST 2009


On Tue, 21 Jul 2009 18:00:42 +0200 Andre Puschmann (AP) wrote:

AP> I now want to put some load on the system as I did in native Linux with
AP> tools like "hackbench" and "cache calibrator". Any suggestions how to
AP> achieve this under L4? The same tools inside a L4Linux environment?

Write some programs that continuously do IPC across task boundaries. If you
want to trash the caches, memset contiguous regions of memory that are larger
than the sum of all your cache sizes. The "pingpong" program should give you
some ideas how to implement these kind of things.

Cheers,

	- Udo
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