[Pharo-project] idle VM runs at constant 3-5% CPU load

Sven Van Caekenberghe sven at beta9.be
Mon Jun 4 16:07:18 EDT 2012


Yes, we should at least understand why this happens.

BTW, another related question is: when running headless, do we actually need those 6 processes ?

Sven

On 04 Jun 2012, at 21:56, Igor Stasenko wrote:

> i just wonder, what takes so much CPU time, even if it completely idle...
> 
> 
> 4831-  NBCog        4.8
> 51519- NBCog        3.5
> 
> if i kill a UI process, the load goes down to 2.5-3 % ...
> still too much.
> 
> i would like to know how we can minimize this.
> The reason why i concerned is straightly pragmatic: extending battery life..
> 
> i found that if i run completely on battery.. it depleting quite fast
> with VM running (and i don't do anything just coding, i.e not running
> benchmarks, but more thinking and typing).
> 
> -- 
> Best regards,
> Igor Stasenko.
> 





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