Messages in this thread | | | Date | Thu, 27 Apr 2017 18:04:19 +0200 | From | Joerg Roedel <> | Subject | Re: [PATCH V2] x86/tboot: add an option to disable iommu force on |
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On Thu, Apr 27, 2017 at 08:41:20AM -0700, Shaohua Li wrote: > Sorry, I wrote the wrong data. With iommu the pps is 6M pps, and without it, we > can get around 20M pps. XDP is much faster than normal network workloads. The > test uses 64 bytes. We tried other sizes in the machine (not 8 bytes though), > but pps doesn't change significantly. With different package size, the peek pps > is around 7M with iommu, then the NIC starts to drop package. CPU util is very > low as I said before. Without iommu, the peek pps is around 22M.
Ah, these numbers makes more sense.
Thanks,
Joerg
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