OpenOnload Downloads


The latest release is openonload-201606-u1.2 (md5), released on 2017/03/16. This release is an update release which fixes a number of bugs in the 201606-u1 release. Please read the release notes and change log.

Older releases

Browse all public OpenOnload releases here.


The following documents are all available from

Benchmarking tools


sfnettest is a suite of tools developed by Solarflare for probing network performance on Linux, Solaris, FreeBSD and MacOSX.

Download sfnettest-1.5.0.tgz.


sysjitter is a tool that measures the jitter experienced by user-level threads running on each CPU core of a computer. Such jitter may be caused by interrupts, OS threads, system management interrupts or other processes on the system.

Download sysjitter-1.4.tgz.