What do people think about adaptive polling?

Bob Bishop rb at gid.co.uk
Mon Dec 11 01:10:36 PST 2006


At 05:48 11/12/2006, Matthew Dillon wrote:
[...]The idea is to be able to do an end-run around systems with broken
    interrupt routing by instituting adaptive polling.  Basically all
    devices that can produce events are polled at some reasonable minimum
    rate, say 50hz.  When polled, the device returns an indication as to
    whether it processed any new events or not.  [etc]
Your problem will be with devices (if any exist) that don't give sane 
status unless they think they have interrupted. If designers can get 
the interrupt path wrong, they can get that wrong too.

Bob Bishop		    +44 (0)118 940 1243
rb at gid.co.uk		fax +44 (0)118 940 1295

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