bsdtar eats CPU when extracting POSIX tar archive

Jun Kuriyama kuriyama at
Wed Aug 25 21:45:30 PDT 2004

At Wed, 25 Aug 2004 21:35:57 -0700,
Tim Kientzle wrote:
> I pulled the current distfile for the vtun port,
> and it's definitely a GNU format archive, so I
> wasn't able to easily reproduce your problem.
> I'm suspicious that all of the time being used is
> system time.  Could you try to find out which
> system calls are taking so long:
>    ktrace tar xf /var/tmp/vtun-2.6.tar
>    kdump -R -m 16
> That might shed some light on matters.

Thank you for your investigation.  This problem is happened on my dual
P-III box, but I cannot reproduce it on another P4 box.  I'll try what
is different on them.

Looks kqueue related?

Jun Kuriyama <kuriyama at> // IMG SRC, Inc.
             <kuriyama at> // FreeBSD Project

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