Date: Wed, 09 Apr 1997 15:22:21 -0400 From: "Louis A. Mamakos" <louie@TransSys.COM> To: Brian Tao <taob@nbc.netcom.ca> Cc: Frank Chen Hsiung Chan <frankch@waru.life.nthu.edu.tw>, FREEBSD-CURRENT-L <freebsd-current@freebsd.org> Subject: Re: XFree86 3.2 causes constant 1.0 load average? Message-ID: <199704091922.PAA20011@whizzo.transsys.com> In-Reply-To: Your message of "Wed, 09 Apr 1997 13:46:52 EDT." <Pine.GSO.3.95.970409134504.18937c-100000@tor-adm1.nbc.netcom.ca> References: <Pine.GSO.3.95.970409134504.18937c-100000@tor-adm1.nbc.netcom.ca>
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Why not "ktrace" the process to see what it's doing? I've noticed a similar problem with an X11 application (fxtv, which puts a window frame up on the display and waits for events while the kernel driver arranged the video image to be copied into the frame buffer). When I ktrace'ed it, it noticed it doing a whole bunch 'o FIONREAD ioctl's, just as hard as it could. I've not investigated any further yet, but something like this would get you pointed in the right direction. louiehome | help
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