Re: Mac OS X - VM Working Set
Re: Mac OS X - VM Working Set
- Subject: Re: Mac OS X - VM Working Set
- From: Eugenio Jarosiewicz <email@hidden>
- Date: Wed, 7 Aug 2002 15:39:33 -0700
On Wednesday, August 7, 2002, at 02:26 PM, Brian Bergstrand wrote:
Lunedl, Agosto 5, 2002, alle 03:59 PM, Jim Magee ha scritto:
On Saturday, July 27, 2002, at 05:43 PM, luisella wrote:
Hello,
I'm studying Darwin kernel and I found some information about
working set on Mach Virtual Memory.
"The first time that an application is launched in a given user
context, the initial working set required to start the application
is
captured and stored in a file..... /var/vm/app_profile".
Why I didn't find this file into my iMac with OS X 10.1.5?
In Mac OS X 10.1.x (Darwin 5), the VM system would dynamically track
working sets of running applications and use that for page
replacement/fetch purposes. But the cache of early working set info
across launches is new to Mac OS X 10.2 (Darwin 6).
--Jim
Is this really in Darwin 6? I have 6C115 and I don't see any files in
/var/vm other than swap files. Are the profiles kept in a different
directory?
Take a look @ xnu/bsd/vm/vm_unix.c and search for the path.
-ej
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