Skip site navigation (1)Skip section navigation (2)
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> 

next in thread | previous in thread | raw e-mail | index | archive | help
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.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?18789.869174471>