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From: David Dawes <dawes@rf900.physics.usyd.edu.au>
Message-Id: <199608310555.PAA03429@rf900.physics.usyd.edu.au>
Subject: Re: Has anyone run x11perf on 2.1.5-RELEASE?
To: sef@kithrup.com (Sean Eric Fagan)
Date: Sat, 31 Aug 1996 15:55:24 +1000 (EST)
Cc: hackers@freebsd.org
In-Reply-To: <199608310303.UAA18422@kithrup.com> from "Sean Eric Fagan" at Aug 30, 96 08:03:08 pm
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>Out of curiosity, I started up x11perf when I got home from work this
>afternoon.  The machine is doing nothing else -- but x11perf has been runing
>for two and a half hours.  It's now reporting that it is doing 4 repts @21
>seconds (that's 21, 000 msec!) for the 500x500 GetImage.  The X server has
>slowed down incredibly, to the point where moving the cursor around results
>in sio overruns on the serial port!
>
>This is the S3-accellerated server.
>
>The machine has 64MBytes of RAM, and 256M of swap; top reports it is using
>22M of RAM, and only 64k of swap.  x11perf appears to be gathering no more
>CPU time, but the X server is eating up 99+% of the CPU!

That particular operation isn't accelerated (for format != ZPixmap),
and it is falling back to the extremely slow machine-independent code.
So far it hasn't annoyed anyone enough for them to do something about
it :-(.

David