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Re: FAM on Mac OS X

To: Michael Raymond <mraymond@xxxxxxx>
Subject: Re: FAM on Mac OS X
From: Krishna Monian <k_tutorials@xxxxxxxxx>
Date: Thu, 17 Jun 2004 13:35:20 -0700 (PDT)
Cc: fam@xxxxxxxxxxx
In-reply-to: <20040617152141.J11167@xxxxxxxxxxxxxxxxxxxxxxxx>
Sender: fam-bounce@xxxxxxxxxxx
Is it possible to write some sort of kernel mode app,
that hooks on top of the file system calls / IO calls,
and logs every call as they pass through it?

Something similar to a File System Filter Driver on
Windows.

Thanks

--- Michael Raymond <mraymond@xxxxxxx> wrote:
>     AFAIK on most system no.  On IRIX we have a tool
> called rtmon that can
> log all the system calls made on the system.  Your
> tool could get the info
> you need from there.  It is our intention to do
> something similar for Linux
> but that's going to take a while.  I don't know
> about other OSs.  I briefly
> considered poll() and select() but they check if
> data is available, and
> read()s don't affect that.
>                                                     Michael
> 
> On Thu, Jun 17, 2004 at 01:15:16PM -0700, Krishna
> Monian wrote:
> > Is there any way to modify it so that it does log
> > reads? Or is the only way to do this, is to write
> some
> > sort of file system filter ?
> > 
> > Thanks
> 
> -- 
> Michael A. Raymond              Office: (651)
> 683-3434
> Core OS Group                   Real-Time System
> Software
> 



                
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