Date: Thu, 17 Jul 1997 23:21:11 +0200 From: Poul-Henning Kamp <phk@dk.tfs.com> To: Steve Passe <smp@csn.net> Cc: Poul-Henning Kamp <phk@dk.tfs.com>, smp@freebsd.org, Peter Wemm <peter@spinner.dialix.com.au>, dyson@freebsd.org Subject: Re: pushdown of "giant lock" Message-ID: <18789.869174471@critter.dk.tfs.com> In-Reply-To: Your message of "Thu, 17 Jul 1997 15:08:46 MDT." <199707172108.PAA15231@Ilsa.StevesCafe.com>
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In message <199707172108.PAA15231@Ilsa.StevesCafe.com>, Steve Passe writes: >--- >> 2. Add a permanent version of the ugly serial-port stuff, under a compile- >> time option of course, to record the lock actions. >the above tool eliminates the need for this, it sucks the buffer via /dev/kmem >. Belive me, it doesn't. To get to /dev/kmem, quite a bit of locking has to work... -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@tfs.com TRW Financial Systems, Inc. Power and ignorance is a disgusting cocktail.
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