Messages in this thread | | | Date | Mon, 6 Nov 2017 19:27:26 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [v5,22/22] powerpc/mm: Add speculative page fault |
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On (11/02/17 15:11), Laurent Dufour wrote: > On 26/10/2017 10:14, kemi wrote: > > Some regression is found by LKP-tools(linux kernel performance) on this patch series > > tested on Intel 2s/4s Skylake platform. > > The regression result is sorted by the metric will-it-scale.per_process_ops. > > Hi Kemi, > > Thanks for reporting this, I'll try to address it by turning some features > of the SPF path off when the process is monothreaded.
make them madvice()-able? not all multi-threaded apps will necessarily benefit of SPF. right? just an idea.
-ss
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