[Bug 1705123] Re: [Zesty] Fixes to iommu on arm64 to improve IO performance

2017-07-19 Thread Manoj Iyer
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid ** Changed in: linux (Ubuntu) Importance: Critical => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1705123 Title: [Zesty]

[Bug 1705123] Re: [Zesty] Fixes to iommu on arm64 to improve IO performance

2017-07-18 Thread Manoj Iyer
With the patches applied to Zesty and booting with iommu.passthrough=1 kernel parameter we are able to see 35+Gbps BW on iperf testing. ubuntu@awsdp1:~$ iperf -s 192.168.5.5 -w 900M ubuntu@awrep0:~$ iperf -c 192.168.5.5 -P 12 -w 900M