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Groups > linux.kernel > #1433571
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: Kernel v4.7-rc5 - performance degradation upto 40% after disabling and re-enabling a core |
| Date | 2016-06-29 10:50 +0200 |
| Message-ID | <rPjm1-1VD-3@gated-at.bofh.it> (permalink) |
| References | <rPasp-4UA-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jun 29, 2016 at 01:15:17AM +0200, Jirka Hladky wrote: > Hello, > > on NUMA enabled server equipped with 4 Intel E5-4610 v2 CPUs we > observe following performance degradation: Do you have cluster on die enabled on that machine? If you disable it, does it still reproduce?
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Kernel v4.7-rc5 - performance degradation upto 40% after disabling and re-enabling a core Jirka Hladky <jhladky@redhat.com> - 2016-06-29 01:20 +0200
Re: Kernel v4.7-rc5 - performance degradation upto 40% after disabling and re-enabling a core Peter Zijlstra <peterz@infradead.org> - 2016-06-29 10:50 +0200
Re: Kernel v4.7-rc5 - performance degradation upto 40% after disabling and re-enabling a core Peter Zijlstra <peterz@infradead.org> - 2016-06-29 12:00 +0200
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