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interrupt latency

   Also found in: Wikipedia 0.01 sec.

The time it takes to service an interrupt. It becomes a critical factor when servicing real time functions such as a communications line. See UART overrun.


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Occupying less than 8 kbytes of memory (in a minimal configuration), OSEck delivers fully-preemptive, event-driven real-time response with a context switching speed of 150 nsec and a worst-case interrupt latency of 300 nsec (assuming 850-MHz clock frequency).
Full interrupt support is provided, and zero interrupt latency time is a key benefit.
FSMLabs' patented hard real-time technology provides spectacular real-time performance on a wide range of processors: 2 microsecond worst-case interrupt latency on an AMD Opteron running both RTLinux and MS Windows XP (under VMWare), and 20 microsecond latency on an ARM9 running a full GSM/GPRS/EDGE stack.
 
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