Date: Thu, 26 Aug 2004 13:45:27 +0900 From: Jun Kuriyama <kuriyama@imgsrc.co.jp> To: Tim Kientzle <kientzle@freebsd.org> Cc: Current <freebsd-current@freebsd.org> Subject: Re: bsdtar eats CPU when extracting POSIX tar archive Message-ID: <7moeky5wyg.wl@black.imgsrc.co.jp> In-Reply-To: <412D68AD.7050906@freebsd.org> References: <7m3c2e88xk.wl@black.imgsrc.co.jp> <412D6534.9030503@freebsd.org> <412D68AD.7050906@freebsd.org>
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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. http://www.imgsrc.co.jp/~kuriyama/tmp/20040826-tar-kdump.log.gz Looks kqueue related? -- Jun Kuriyama <kuriyama@imgsrc.co.jp> // IMG SRC, Inc. <kuriyama@FreeBSD.org> // FreeBSD Project
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