Tracking the polling software

[Nils Kassube]

Tony Pursell wrote:
> On Mon, 2010-12-13 at 06:36 +0100, Nils Kassube wrote:
> > There should be nothing to sync every ~2 seconds on an idle system.
> > On my system only the CD/DVD drive is polled in regular
> > intervalls.
> 
> The system doesn't know if there is anything to sync without looking
> first, so it just does it - at least that is what happened in my old
> Unix days (1983 to 2000 approx).

Hmm, that's interesting. As I understand it, the system should know if 
there is anything to sync (i.e. open files with data not yet written to 
the disk). Everything to look at should be in memory and there should be 
no disk access if the system is idle.


Nils