I have seen similar issues before. This typically happens upon creation of
new windows. The easiest way (for me) to reproduce this is to start wish
(Tcl/Tk interpreter) and do something like
wish
toplevel .a
raise .a
The problem seems to be trying to raise a window whish is already on the
top of stacking order.
I have seen this since upgrading to XFree86 4.2.0..
best
Vladimir Dergachev
On Mon, 10 Feb 2003, Mark Vojkovich wrote:
> I don't have any idea. You might want to build a debug server
> and break during these pauses to see where it's at.
>
>
> Mark.
>
>
> On Fri, 7 Feb 2003, Dominic Duval wrote:
>
> > Hello everyone,
> >
> > I'm currently trying to speed up X applications and I'm facing huge
> > performance problems. I believe some of you might be able to point out what
> > could be the problem in this particular case.
> >
> > First, a few quick facts:
> >
> > -We use X with the frame buffer device (Xfbdev)
> > -Our X applications are in fact Java AWT applications, and our Java machine
> > uses Motif as the underlying graphical toolkit.
> >
> > When lauching the application locally, something as simple as displaying a
> > single windows may take more than 7 minutes. During those 7 minutes, System
> > is at 99% load. We tested the X application on slower devices, and
> > execution time is well under 7 minutes.
> >
> > Redirecting $DISPLAY on another machine makes the same application execute
> > in a few seconds (10 seconds actually). Starting his X application from
> > another machine and redirecting $DISPLAY on the device where the frame
> > buffer is located also executes properly in a few seconds. From those
> > facts, executing the application locally should take around the same time,
> > but that's not the case :(
> >
> > Does anyone have any idea where the bottleneck could be?
> >
> > Thanks,
> >
> > -Dominic
> >
> >
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