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[Qemu-devel] Re: qemu varying performance
From: |
Anand Kumria |
Subject: |
[Qemu-devel] Re: qemu varying performance |
Date: |
Thu, 27 Jan 2005 04:37:51 +1100 |
User-agent: |
Pan/0.14.2.91 (As She Crawled Across the Table (Debian GNU/Linux)) |
On Tue, 25 Jan 2005 20:49:22 -0600, Lee wrote:
>
> Hello,
>
> Im not sure if this is a bug, but I wanted to mention it anyways.
>
> My host computer is running the 2.4.24 kernel with smp support, xfree86,
> and openbox for the window manager (16 virtual desktops).
>
> when i am on the desktop that qemu is running on, the performance seems
> normal to me.
>
> then i will switch to a different desktop and work there for a while
> (expecting that qemu will continue processing on the other desktop).
>
> then after a while i will go back to the qemu virtual desktop and it
> seems that qemu will then pick up where it left off at (either there or
> a little bit after that point) and run again at normal speed.
>
> this seems like qemu does a MAJOR slow down when it is not being
> displayed on the active desktop.
>
> has anyone else noticed this behavior?
Yes, although I also experience the same problem within the same desktop.
I've noticed that as soon as qemu captures either the mouse or the
keyboard it speeds up again.
Anand