[wxPython-users] Can you limit CPU resources for the running app ?

[Marc Tompkins]

I use a little utility from DonationCoder.com called Process Tamer - it
watches for processes that are sucking up too much CPU time and lowers their
priority (it also lets you exempt certain programs from being "tamed").
Process Explorer - one of the excellent SysInternals utilities - also allows
you to adjust the priority of running processes.  So the capability is out
there.  At least now you know that your search is a terminating one...


On Jan 16, 2008 4:40 PM, Robin Dunn <robin at alldunn.com> wrote:

> Geoff Skerrett wrote:
> > I have a wx app that does some image processing. Occasionally a user
> > will select a large number of images (100+) and it can take 30-40mins to
> > complete the process.  All of the users are WindowsXP.
> >
> > Is there anyway to "restrict" the amount of cpu/resources that the
> > application uses ?
> > The users understand that it takes a specific amount of time, however,
> > they would like to use their workstation for other tasks.  Once
> > launched our app consumes all the cpu resources so the workstation
> > appears "Frozen".
> >
> > I have little experience with threading, but was wondering if this would
> > solve the problem.   I noticed in the python docs that the "threading"
> > class says that is does not have support for priorities - which sound
> > like what I am looking for, but unsure.
> >
> > Note that this is not a case of the the user complaining that the app's
> > GUI is unresponsive, but rather that the entire SYSTEM is un-responsive.
>
> I know that there is a win32 API for limiting a process to just one CPU,
> so I expect that there are APIs for setting priority (like unix's nice()
> function) but I don't know details.  Searching MSDN will probably turn
> up something, and then you can probably use ctypes to call it.
>
> --
> Robin Dunn
> Software Craftsman
> http://wxPython.org  Java give you jitters?  Relax with wxPython!
>
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