On Tue, Mar 14, 2017 at 11:34:06PM +0200, Jarmo Tiitto wrote: > Try improve multi-core scaling. > The changes are experimental - the fix works > but possible regressions are unknown. > > Please read the orginal author's paper to understand > the overall problem this patch tries to solve. > > See the orignal patches at: > https://github.com/jplozi/wastedcores/tree/master/patches > > And the related paper at: > http://www.i3s.unice.fr/~jplozi/wastedcores/ > > v1: the patch was re-written for v4.9 to remove goto statement. > > v2: improved version from the wastedcores initial code. try take into > account the cpu wake-up latency and choose most recent idle cpu > instead. > > I have tested the code and it really does improve > multi-core performance on my machine.
v4.9 is not the right kernel to send patches against (hint: v4.10 is not either). Also your Changelog is inadequate; it should be self contained, explain the problem and describe the solution.
