Subject: Re: X server as a Unix system process
To: Chris G. Demetriou <>
From: Jukka Marin <>
List: tech-kern
Date: 07/15/1997 19:26:47
On Tue, Jul 15, 1997 at 09:10:24AM -0700, Chris G. Demetriou wrote:
> > I ktraced some more.  Now Applix is running quite slow - every oldselect()
> > call takes around 20...30 ms.  BUT, this time it's clear where that time
> > is spent - here's a ktrace of the X server:
> made with ktrace -R, right?


> If the 7.4ms number was really 2ms earlier in the run, sounds like X
> is having a hard time dealing with fragmentation (or something) in its
> malloc pool, and that it's an X problem.

Yeah, I guess I was misinterpreting the ktrace output slightly. ;)  But
anyway, 60-70% of CPU is consumed in kernel - why?



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