From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Carsten Schiers <carsten@schiers.de>
Cc: xen-devel <xen-devel@lists.xensource.com>
Subject: Re: AW: Load increase after memory upgrade?
Date: Mon, 27 Jun 2011 09:46:43 -0400 [thread overview]
Message-ID: <20110627134643.GD6978@dumpdata.com> (raw)
In-Reply-To: <2029813.131309174164862.JavaMail.root@uhura>
On Mon, Jun 27, 2011 at 01:29:24PM +0200, Carsten Schiers wrote:
> Hi,
>
> the higher load is neither bound to memory increase nor Xen version, it's the kernel.
> Changed at the same time from a Xenified 2.6.34.7 kernel to pvops jeremy's git
> stable-2.6.32.x
>
> Konrad, are you interested? You can see from attached graphic the much higer load
> mid 21 to 24. riker (yellow) is using the cards constantly for scanning transponders,
> two seem to make use of DMA for that reason...
Um, so 2.6.34 to 2.6.32 causes this spike in usage? What is the SWIOTLB (PCI-DMA32)
usage between these two kernels and are the drivers (budget_...) the same version?
next prev parent reply other threads:[~2011-06-27 13:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-27 11:29 AW: Load increase after memory upgrade? Carsten Schiers
2011-06-27 13:46 ` Konrad Rzeszutek Wilk [this message]
2011-06-27 15:37 ` Sander Eikelenboom
2011-06-27 20:00 ` AW: " Carsten Schiers
2011-06-27 20:20 ` Sander Eikelenboom
2011-06-27 20:44 ` AW: " Carsten Schiers
2011-06-27 20:46 ` Carsten Schiers
2011-06-28 14:57 ` Konrad Rzeszutek Wilk
2011-06-28 20:17 ` AW: " Carsten Schiers
2011-06-28 20:22 ` Carsten Schiers
2011-06-28 20:34 ` Konrad Rzeszutek Wilk
2011-06-29 21:17 ` AW: " Carsten Schiers
2011-06-30 22:00 ` Konrad Rzeszutek Wilk
2011-06-28 14:50 ` Konrad Rzeszutek Wilk
2011-06-28 20:34 ` AW: " Carsten Schiers
2011-06-27 19:56 ` Carsten Schiers
2011-06-28 14:49 ` Konrad Rzeszutek Wilk
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