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Subject: Re: #define HZ 1024 -- negative effects?
From: Michael Rothwell <rothwell@holly-springs.nc.us>
To: Jim Gettys <jg@pa.dec.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <200104292144.f3TLiBD03874@pachyderm.pa.dec.com>
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Date: 29 Apr 2001 17:59:16 -0400
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Great. I'm running 4.02. How do I enable "silken mouse"?

Thanks,

-Michael

On 29 Apr 2001 14:44:11 -0700, Jim Gettys wrote:
> The biggest single issue in GUI responsiveness on Linux has been caused
> by XFree86's implementation of mouse tracking in user space.
> 
> On typical UNIX systems, the mouse was often controlled in the kernel
> driver.  Until recently (XFree86 4.0 days), the XFree86 server's reads
> of mouse/keyboard events were not signal driven, so that if the X server
> was loaded, the cursor stopped moving.
> 
> On most (but not all) current XFree86 implementations, this is now
> signal drive, and further the internal X schedular has been reworked to
> make it difficult for a single client to monopolize the X server.
> 
> So the first thing you should try is to make sure you are using an X server
> with this "silken mouse" enabled; anotherwords, run XFree86 4.0x and make
> sure the implementation has it enabled....
> 
> There may be more to do in Linux thereafter, but until you've done this, you
> don't get to discuss the matter further....
>                                       - Jim Gettys
> 
> --
> Jim Gettys
> Technology and Corporate Development
> Compaq Computer Corporation
> jg@pa.dec.com
> 
> -
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