[net2-wg] Globals/logging

[Philip Levis]

On Feb 13, 2009, at 6:58 PM, Omprakash Gnawali wrote:

> On Fri, Feb 13, 2009 at 4:36 PM, Razvan Musaloiu-E. <razvanm at cs.jhu.edu 
> > wrote:
> ...
>>> More broadly speaking, introducing global functions raises the
>>> question of what functions should be globals and what should be nesC
>>> interfaces. For example, how about Leds? Random?
>>
>> For Leds seems a good idea to have control at fine granularity. I'm  
>> not sure
>> about Random but the local time fits perfectly the definition of  
>> something
>> truly global. :-)
>>
>> To conclude: I though this type of logging would be useful to  
>> others. I was
>> wrong. :P
>
> Clock counter seems as fundamental as node id.

Except that:

1) It's a function call rather than an enum.
2) It's a dynamic, rather than a static value.
3) It requires hardware resources that can affect low power states.
4) It has a fixed precision which not all platforms can necessarily  
meet.

Phil