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Article View: comp.sys.sgi.graphics
Article #72

Re: slow X wanted

#72
From: Mark Kilgard
Date: Tue, 05 Jan 1993 04:20
29 lines
1660 bytes
In article <1993Jan4.101344.25616@bernina.ethz.ch>, hoesel@igc.ethz.ch
(Frans van Hoesel) writes:
|> 
|> normally I work locally on my Indigo and the graphics (more specific
|> the
|> X server) is very fast. Now I want it to slow down by a factor of
|> 10..100
|> so I can see what happens to my program on loaded communication lines
|> Also it makes it easier to check for redundant draws (those that can
|> be elft out without any harm to the net result)
|> 
|> I tried to do this naively, by simply starting many programs. This
|> however
|> makes the system behave in bursts (I runs a little time on one program
|> swaps the next program, runs that etc...) I would like a smooth
|> degradation of my otherwise fast indigo as if it runs on a clock speed
|> of 
|> 2 MHZ (or lower)
|> 
|> Can this be done, without altering the source code of my program?

Yes, try using xscope (the X11 protocol decoder).  It will greatly
slow down executition of X clients.  It should be part of 4.0.x IRIX
and you can read the manual page to learn how to use it.

xscope sits between an X client and server decoding the X11 protocol
(in the process slowing down the conversation).

- Mark
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Path: arc1-ca.pugleaf.net!sparky!uunet!gossip.pyramid.com!olivea!sgigate!odin!hoot.asd.sgi.com!mjk
References: <1993Jan4.101344.25616@bernina.ethz.ch>

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Path: arc1-ca.pugleaf.net!sparky!uunet!gossip.pyramid.com!olivea!sgigate!odin!hoot.asd.sgi.com!mjk
From: mjk@hoot.asd.sgi.com (Mark Kilgard)
Newsgroups: comp.sys.sgi.graphics
Subject: Re: slow X wanted
Message-ID: <1993Jan5.042044.20850@odin.corp.sgi.com>
Date: 5 Jan 93 04:20:44 GMT
References: <1993Jan4.101344.25616@bernina.ethz.ch>
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