Date: Mon, 31 Oct 2005 08:42:36 -0700 From: Scott Long <scottl@samsco.org> To: Eric Anderson <anderson@centtech.com> Cc: freebsd-hackers@freebsd.org, Mark Kirkwood <markir@paradise.net.nz> Subject: Re: Display files currently in the buffer cache Message-ID: <43663B6C.5020804@samsco.org> In-Reply-To: <43663443.2090802@centtech.com> References: <43633948.5030801@paradise.net.nz> <43663443.2090802@centtech.com>
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Eric Anderson wrote: > Mark Kirkwood wrote: > >> Dear hackers, >> >> I'm interested in being able to display some data about the contents >> of the buffer cache , say file name and page offset (something like >> IRIX's 'bufview'). >> >> Is there any utilities that do this currently? (searched around but >> didn't see anything in ports). >> >> Assuming not, is it feasible to write one to do this? (if so, any >> pointers appreciated - massive FreeBSD internals newbie here....). > > > This would be a cool tool! I've been thinking of that too, and also > would like to have a lkdump tool - which dumps information about > currently locked files. > > Eric > > > Does the FreeBSD VM really have a concept of filenames at all? I thought that all it understood was buffer objects and vnodes. And since there isn't a strong correlation between vnodes and the filesystem namespace, it would be hard to provide such information. Scott
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