Re: [PATCH v3] sched/fair: Add advisory flag for borrowing a timeslice

From: Davidlohr Bueso
Date: Tue Nov 25 2014 - 13:28:09 EST


On Tue, 2014-11-25 at 07:45 -0700, Khalid Aziz wrote:
> This solution has been used by both database and java on other OSs and
> has shown performance improvement. Andrew had asked for performance
> numbers on Linux with this patch last time I sent this out and it took
> me a while to get performance folks to run a full TPC-C workload. They
> did see a 3% improvement in tpcc as I noted in commit log and that is a
> significant improvement.

3% for such a change seems pretty worthless... I would have expected
this having to impact performance much more.

Thanks,
Davidlohr

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