From: Stephen Lord <lord@sgi.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: Samuel Flory <sflory@rackable.com>,
Austin Gonyou <austin@coremetrics.com>,
Christian Guggenberger
<christian.guggenberger@physik.uni-regensburg.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-xfs@oss.sgi.com
Subject: Re: 2.4.20pre5aa2
Date: 14 Sep 2002 09:39:24 -0500 [thread overview]
Message-ID: <1032014367.1050.2.camel@laptop.americas.sgi.com> (raw)
In-Reply-To: <20020913211844.GP11605@dualathlon.random>
On Fri, 2002-09-13 at 16:18, Andrea Arcangeli wrote:
> So, returning to xfs, it is possible dbench really generates lots of
> simultaneous vmaps because of its concurrency, so I would suggest to add
> an atomic counter increased at every vmap/vmalloc and decreased at every
> vfree and to check it after every increase storing the max value in a
> sysctl, to see what's the max concurrency you reach with the vmaps. (you
> can also export the counter via the sysctl, to verify for no memleaks
> after unmounting xfs)
>
> Andrea
There are no vmaps during normal operation on xfs unless you are
setting extended attributes of more than 4K in size, or you
used some more obscure mkfs options. Only filesystem recovery will
use it otherwise.
Steve
next prev parent reply other threads:[~2002-09-14 14:37 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-11 18:16 2.4.20pre5aa2 Christian Guggenberger
2002-09-11 18:24 ` 2.4.20pre5aa2 Austin Gonyou
2002-09-11 18:28 ` 2.4.20pre5aa2 Christian Guggenberger
[not found] ` <1031769317.24629.28.camel@UberGeek.coremetrics.com>
2002-09-11 18:45 ` 2.4.20pre5aa2 Christian Guggenberger
2002-09-11 18:51 ` 2.4.20pre5aa2 Austin Gonyou
2002-09-11 18:41 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-12 23:29 ` 2.4.20pre5aa2 Samuel Flory
2002-09-12 23:45 ` 2.4.20pre5aa2 Stephen Lord
2002-09-13 0:06 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 0:23 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-13 0:47 ` 2.4.20pre5aa2 Stephen Lord
2002-09-13 0:54 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-13 2:14 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 12:53 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-13 21:09 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 21:18 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-14 14:39 ` Stephen Lord [this message]
2002-09-15 11:13 ` 2.4.20pre5aa2 Andi Kleen
2002-09-15 19:39 ` 2.4.20pre5aa2 Samuel Flory
2002-09-16 16:03 ` 2.4.20pre5aa2 Dave Hansen
2002-09-16 16:20 ` 2.4.20pre5aa2 Andrea Arcangeli
2002-09-16 16:39 ` 2.4.20pre5aa2 Dave Hansen
2002-09-13 1:27 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 2:14 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 1:18 ` 2.4.20pre5aa2 Samuel Flory
2002-09-13 19:17 ` 2.4.20pre5aa2 Stephen Lord
2002-09-11 18:44 ` 2.4.20pre5aa2 Christoph Hellwig
2002-09-11 19:11 ` 2.4.20pre5aa2 Christian Guggenberger
-- strict thread matches above, loose matches on Subject: below --
2002-09-09 16:50 2.4.20pre5aa2 Andrea Arcangeli
2002-09-10 18:51 ` 2.4.20pre5aa2 Joe Kellner
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