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Groups > linux.kernel > #1367469
| From | Tejun Heo <tj@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 0/4] cgroup aware workqueues |
| Date | 2016-03-30 19:10 +0200 |
| Message-ID | <rirN1-87-33@gated-at.bofh.it> (permalink) |
| References | <reaUp-1RE-7@gated-at.bofh.it> <rirN1-87-35@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hello, On Mon, Mar 21, 2016 at 09:58:39AM +0200, Michael Rapoport wrote: > I did some performance evaluation of different threading models in vhost, > and in most tests replacing vhost kthread's with workqueues degrades the > performance. Moreover, having thread management inside the vhost provides There really shouldn't be any difference when using unbound workqueues. workqueue becomes a convenience thing which manages worker pools and there shouldn't be any difference between workqueue workers and kthreads in terms of behavior. > opportunity for optimization, at least for some workloads... What sort of optimizations are we talking about? Thanks. -- tejun
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[RFC PATCH 0/4] cgroup aware workqueues Bandan Das <bsd@redhat.com> - 2016-03-18 23:20 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Tejun Heo <tj@kernel.org> - 2016-03-20 19:20 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Bandan Das <bsd@redhat.com> - 2016-03-21 18:40 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues "Michael Rapoport" <RAPOPORT@il.ibm.com> - 2016-03-21 09:00 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Christian Borntraeger <borntraeger@de.ibm.com> - 2016-03-21 09:30 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Bandan Das <bsd@redhat.com> - 2016-03-21 19:00 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Bandan Das <bsd@redhat.com> - 2016-03-21 18:50 +0100
vhost threading model (was: Re: [RFC PATCH 0/4] cgroup aware workqueues) "Michael Rapoport" <RAPOPORT@il.ibm.com> - 2016-03-22 08:20 +0100
Re: vhost threading model Bandan Das <bsd@redhat.com> - 2016-03-22 20:10 +0100
Re: vhost threading model "Michael Rapoport" <RAPOPORT@il.ibm.com> - 2016-03-23 12:20 +0100
Re: [RFC PATCH 0/4] cgroup aware workqueues Tejun Heo <tj@kernel.org> - 2016-03-30 19:10 +0200
Re: [RFC PATCH 0/4] cgroup aware workqueues "Michael Rapoport" <RAPOPORT@il.ibm.com> - 2016-03-31 08:20 +0200
Re: [RFC PATCH 0/4] cgroup aware workqueues Tejun Heo <tj@kernel.org> - 2016-03-31 19:20 +0200
Re: [RFC PATCH 0/4] cgroup aware workqueues Bandan Das <bsd@redhat.com> - 2016-03-31 20:50 +0200
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