[Rd] cpu usage high with windows change dir / winDialogString (PR#11045)

[Gabor Grothendieck]

On Sat, Mar 29, 2008 at 12:06 PM, Duncan Murdoch <murdoch at stats.uwo.ca> wrote:
> On 28/03/2008 12:05 PM, seanpor at acm.org wrote:
> > Good afternoon,
> >
> > This is possibly a windows only bug, definitely of comparatively low
> > importance - but for the sake of completeness here we go.  I've
> > searched http://bugs.R-project.org/ etc., but can find no mention.
> >
> > For RGui.exe, the CPU usage goes to 100% for certain dialog boxes for
> > the duration that the dialog box is visible, e.g.
> >
> > * check CPU usage is low
> > * On the RGui.exe menu chose File / Change dir...
> > * the CPU usage goes to 100%
> > * hit OK
> > * the CPU usage goes back down again
>
> What is the bug here?  I'd guess it's not R using the cpu, rather some
> other process hooked to the dialog, but even if it really is R, why is
> this a bug?

Maybe R is sitting in a loop consuming all the resources of the system?