[Interest] subclassed QTimer

Thiago Macieira thiago.macieira at intel.com
Tue Nov 17 17:27:54 CET 2015


On Tuesday 17 November 2015 17:01:40 René J. V. Bertin wrote:
> Thiago Macieira wrote:
> > Please don't set it to PreciseTimer unless you really need millisecond
> > resolution or better (if the 5% error is not acceptable).
> 
> Question: does setting the type of a single timer affect all timers, i.e.
> does the overhead of configuring a single (or a handful of) timers depend
> on the total number of timers in use?

It affects the timer that will expire next (the timer with shortest remaining 
time). So if you start a 100 ms CoarseTimer and a 575 ms PreciseTimer, the 
next wake-up will be in 100 ms ± 5%.

-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center




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