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Groups > linux.kernel > #1650566
| From | Tejun Heo <tj@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 for-4.12-fixes 1/2] sched/fair: Use task_groups instead of leaf_cfs_rq_list to walk all cfs_rqs |
| Date | 2017-05-25 16:40 +0200 |
| Message-ID | <tL25I-WE-17@gated-at.bofh.it> (permalink) |
| References | <tFg1I-45Y-19@gated-at.bofh.it> <tKOcp-pv-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, May 24, 2017 at 04:40:34PM -0700, Tim Chen wrote: > We did some preliminary testing of this patchset for a well > known database benchmark on a 4 socket Skylake server system. > It provides a 3.7% throughput boost which is significant for > this benchmark. That's great to hear. Yeah, the walk can be noticeably expensive even with moderate number of cgroups. Thanks for sharing the result. -- tejun
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Re: [PATCH v2 for-4.12-fixes 1/2] sched/fair: Use task_groups instead of leaf_cfs_rq_list to walk all cfs_rqs Tim Chen <tim.c.chen@linux.intel.com> - 2017-05-25 01:50 +0200
Re: [PATCH v2 for-4.12-fixes 1/2] sched/fair: Use task_groups instead of leaf_cfs_rq_list to walk all cfs_rqs Tejun Heo <tj@kernel.org> - 2017-05-25 16:40 +0200
Re: [PATCH v2 for-4.12-fixes 1/2] sched/fair: Use task_groups instead of leaf_cfs_rq_list to walk all cfs_rqs Tim Chen <tim.c.chen@linux.intel.com> - 2017-05-27 03:30 +0200
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