Date: Mon, 15 Oct 2001 14:45:09 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: Dag-Erling Smorgrav <des@ofug.org> Cc: cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG Subject: Re: cvs commit: src/sys/vm vnode_pager.c Message-ID: <200110152145.f9FLj9H56917@earth.backplane.com> References: <200110121817.f9CIHYU38714@freefall.freebsd.org> <xzpelo8ii94.fsf@flood.ping.uio.no> <200110122330.f9CNU1u36917@earth.backplane.com> <xzpelo4r90f.fsf@flood.ping.uio.no> <200110152135.f9FLZpg56816@earth.backplane.com> <xzp3d4k1t2p.fsf@flood.ping.uio.no>
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:Matt Dillon <dillon@earth.backplane.com> writes:
:> It would be nice if we had some kernel profiling output to confirm
:> my guess.
:
:1) How do I go about obtaining that?
:
:2) You already have a full dump of a system exhibiting these symptoms.
: Weren't you able to obtain any information from that?
:
:DES
:--
:Dag-Erling Smorgrav - des@ofug.org
man config. e.g. using config -pg, I believe, will generate a kernel
with profiling. On -stable anyway.
The system isn't actually doing anything wrong, it's just being
inefficient somewhere so a dump doesn't really help.
Is there any serious disk activity when the syncer is locked up for
that second or is it solely a cpu thing?
-Matt
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