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Groups > linux.kernel > #1607624
| From | Dave Hansen <dave.hansen@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers |
| Date | 2017-03-23 16:40 +0100 |
| Message-ID | <tod0e-4a5-1@gated-at.bofh.it> (permalink) |
| References | <tld6q-5vn-13@gated-at.bofh.it> <tld6q-5vn-11@gated-at.bofh.it> <tnI65-6zm-13@gated-at.bofh.it> <tnK7T-81a-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 03/22/2017 01:41 AM, Aaron Lu wrote: > On Wed, Mar 22, 2017 at 03:33:35PM +0900, Minchan Kim wrote: >> On Wed, Mar 15, 2017 at 05:00:02PM +0800, Aaron Lu wrote: >>> Introduce a workqueue for all the free workers so that user can fine >>> tune how many workers can be active through sysfs interface: max_active. >>> More workers will normally lead to better performance, but too many can >>> cause severe lock contention. >> >> Let me ask a question. >> >> How well can workqueue distribute the jobs in multiple CPU? > > I would say it's good enough for my needs. > After all, it doesn't need many kworkers to achieve the 50% time > decrease: 2-4 kworkers for EP and 4-8 kworkers for EX are enough from > previous attched data. It's also worth noting that we'd like to *also* like to look into increasing how scalable freeing pages to a given zone is.
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[PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Aaron Lu <aaron.lu@intel.com> - 2017-03-15 10:10 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Minchan Kim <minchan@kernel.org> - 2017-03-22 07:40 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Aaron Lu <aaron.lu@intel.com> - 2017-03-22 09:50 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Minchan Kim <minchan@kernel.org> - 2017-03-22 10:00 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Aaron Lu <aaron.lu@intel.com> - 2017-03-22 14:50 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Minchan Kim <minchan@kernel.org> - 2017-03-23 08:40 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Dave Hansen <dave.hansen@intel.com> - 2017-03-23 16:40 +0100
Re: [PATCH v2 3/5] mm: use a dedicated workqueue for the free workers Aaron Lu <aaron.lu@intel.com> - 2017-03-24 13:40 +0100
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