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Date:      Thu, 24 Mar 2005 21:44:30 -0600
From:      Dan Nelson <dnelson@allantgroup.com>
To:        Jonathan Stewart <jonstew1983@yahoo.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Discrepancy between ps -i -o inblk and figuring numbers by hand
Message-ID:  <20050325034430.GF10908@dan.emsphone.com>
In-Reply-To: <20050325033029.23218.qmail@web50910.mail.yahoo.com>
References:  <20050325033029.23218.qmail@web50910.mail.yahoo.com>

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In the last episode (Mar 24), Jonathan Stewart said:
> In that case how would I track how much information a process has
> actually read from a drive?  I occasionally run processes that will
> read as much as 40+ gig in a single run which takes quite a while and
> on windows :P I can see "bytes read" and "bytes written" per process
> which lets me track how much the program has read so far and thus get
> an idea of how close it is to done.  Sorry for the run-on sentence
> there.

I use lsof, which can tell you the file offset of each open
filedescriptor.  "lsof -o -o20 -p ###" will print all the files
currently opened by pid ###, and their current offset.

-- 
	Dan Nelson
	dnelson@allantgroup.com



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