Ecos API's are deterministic?

[Jonathan Larmour]

Guntipalli Giribabu wrote:
> Hai,
> 
>    The intrrupt and thread API's provided by the Ecos are determinstic?
> 
>    is there any mesured statics that tells worst case execution time of
> interrupt and thread API's

It's configuration dependent, hardware dependent, and dependent on how you 
use the APIs (if an application disables interrupts, then naturally all 
bets are off re real-time performance!). So no, it's impractical for us to 
determine worst case times. Note that eCos is soft real-time, not hard 
real-time.

You can get some help though from running the tm_basic kernel test. The 
"max" figure there isn't the true max, but a statistical measurement over 
a number of executions. This is all discussed in the documentation, which 
you should read.

Jifl
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eCosCentric    http://www.eCosCentric.com/    The eCos and RedBoot experts
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