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Re: [Xen-devel] AW: Load increase after memory upgrade?
| To: | Carsten Schiers <carsten@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] AW: Load increase after memory upgrade? |
| From: | Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> |
| Date: | Mon, 27 Jun 2011 09:46:43 -0400 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Mon, 27 Jun 2011 07:47:30 -0700 |
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| User-agent: | Mutt/1.5.21 (2010-09-15) |
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? _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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