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SubjectRe: [PATCH v2] locking/rwsem: Add reader-owned state to the owner field

* Waiman Long <Waiman.Long@hpe.com> wrote:

> On a 4-socket Haswell machine running on a 4.6-rc1 based kernel, the
> fio test with multithreaded randrw and randwrite tests on the same
> file on a XFS partition on top of a NVDIMM were run, the aggregated
> bandwidths before and after the patch were as follows:
>
> Test BW before patch BW after patch % change
> ---- --------------- -------------- --------
> randrw 988 MB/s 1192 MB/s +21%
> randwrite 1513 MB/s 1623 MB/s +7.3%

What testcase/suite is this? I'd like to run this on other machines as well.

Thanks,

Ingo

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