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Groups > linux.kernel > #1662614
| From | Michal Hocko <mhocko@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC v4 00/20] Speculative page faults |
| Date | 2017-06-09 18:40 +0200 |
| Message-ID | <tQv74-3Sn-21@gated-at.bofh.it> (permalink) |
| References | <tQt5f-2GI-3@gated-at.bofh.it> <tQtHY-38t-5@gated-at.bofh.it> <tQu1k-3gb-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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. -- Michal Hocko SUSE Labs
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[RFC v4 00/20] Speculative page faults Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-09 16:30 +0200
[RFC v4 15/20] mm/spf: protect mremap() against speculative pf Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-09 16:30 +0200
[RFC v4 06/20] mm: Provide speculative fault infrastructure Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-09 16:30 +0200
Re: [RFC v4 00/20] Speculative page faults Michal Hocko <mhocko@kernel.org> - 2017-06-09 17:10 +0200
Re: [RFC v4 00/20] Speculative page faults Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-09 17:30 +0200
Re: [RFC v4 00/20] Speculative page faults Michal Hocko <mhocko@kernel.org> - 2017-06-09 18:40 +0200
Re: [RFC v4 00/20] Speculative page faults Tim Chen <tim.c.chen@linux.intel.com> - 2017-06-09 19:10 +0200
Re: [RFC v4 00/20] Speculative page faults Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-13 12:30 +0200
Re: [RFC v4 00/20] Speculative page faults Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-13 12:00 +0200
Re: [RFC v4 00/20] Speculative page faults "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2017-06-09 21:00 +0200
Re: [RFC v4 00/20] Speculative page faults Jan Kara <jack@suse.cz> - 2017-06-12 12:30 +0200
Re: [RFC v4 00/20] Speculative page faults Laurent Dufour <ldufour@linux.vnet.ibm.com> - 2017-06-13 12:30 +0200
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