Messages in this thread | | | Subject | Re: [RFC v4 00/20] Speculative page faults | From | Laurent Dufour <> | Date | Tue, 13 Jun 2017 11:58:50 +0200 |
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On 09/06/2017 18:35, Michal Hocko wrote: > On Fri 09-06-17 17:25:51, Laurent Dufour wrote: > [...] >> Thanks Michal for your feedback. >> >> I mostly focused on this database workload since this is the one where >> we hit the mmap_sem bottleneck when running on big node. On my usual >> victim node, I checked for basic usage like kernel build time, but I >> agree that's clearly not enough. >> >> I try to find details about the 'kbench' you mentioned, but I didn't get >> any valid entry. >> Would you please point me on this or any other bench tool you think will >> be useful here ? > > Sorry I meant kernbech (aka parallel kernel build). Other highly threaded > workloads doing a lot of page faults and address space modification > would be good to see as well. I wish I could give you much more > comprehensive list but I am not very good at benchmarks. >
Thanks Michal, I found kernbench 0.5, I will give it a try.
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