Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 23 Dec 2003 07:23:47 -0600 (CST)
From:      James Van Artsdalen <james-freebsd-amd64@jrv.org>
To:        freebsd-amd64@freebsd.org
Subject:   bounce buffer statistics?
Message-ID:  <200312231323.hBNDNlFK025847@bigtex.jrv.org>

next in thread | raw e-mail | index | archive | help
Are there any sysctl variables that report the number of bounce-buffer
related copies that the kernel must make due to limited address ranges
of devices?

I have 8 GB of RAM and a 32-bit sATA controller than can't directly
address memory above 4 GB.  I'm wondering how much that is really
hurting.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200312231323.hBNDNlFK025847>