Linked by David Adams on Fri 18th Apr 2008 17:34 UTC, submitted by Rahul
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Member since:
2007-05-19
Nowhere in the article I have seen the phrase "hard real-time" please let's not abuse phrases. Hard real-time means deadlines are "guaranteed" to be met at any circumstance and Linux is not capable of doing this below the microsecond level. In fact its not just Linux but the combination of hardware and the OS that needs to have this support, in order to achieve hard real-time. For example unavoidable hardware exceptions with higher priority would give enough non-determinism to reduce your system to "soft real-time".
I would say merely the article's summary is, "Linux can control real-time tasks (implying deadline-sensitive) with higher precision."