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From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Tvrtko Ursulin <tvrtko.ursulin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: Intel-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"Johannes Weiner"
	<hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>,
	"Zefan Li" <lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org>,
	"Dave Airlie" <airlied-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"Daniel Vetter" <daniel.vetter-/w4YWyX8dFk@public.gmane.org>,
	"Rob Clark" <robdclark-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	"Stéphane Marchesin"
	<marcheu-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	"T . J . Mercier"
	<tjmercier-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Kenny.Ho-5C7GfCeVMHo@public.gmane.org,
	"Christian König" <christian.koenig-5C7GfCeVMHo@public.gmane.org>,
	"Brian Welty"
	<brian.welty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"Tvrtko Ursulin"
	<tvrtko.ursulin-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Subject: Re: [RFC 10/12] cgroup/drm: Introduce weight based drm cgroup control
Date: Thu, 2 Feb 2023 10:00:14 -1000	[thread overview]
Message-ID: <Y9wWTspETnYYodDc@slm.duckdns.org> (raw)
In-Reply-To: <27b7882e-1201-b173-6f56-9ececb5780e8-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>

Hello,

On Thu, Feb 02, 2023 at 02:26:06PM +0000, Tvrtko Ursulin wrote:
> When you say active/inactive - to what you are referring in the cgroup
> world? Offline/online? For those my understanding was offline was a
> temporary state while css is getting destroyed.

Oh, it's just based on activity. So, for example, iocost puts a cgroup on
its active list which is canned periodically when an IO is issued from an
inactive cgroup. If an active cgroup doesn't have any activity between two
scans, it becomes inactive and dropped from the list. drm can prolly use the
same approach?

> Also, I am really postponing implementing those changes until I hear at
> least something from the DRM community.

Yeah, that sounds like a good idea.

Thanks.

-- 
tejun

  parent reply	other threads:[~2023-02-02 20:00 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-12 16:55 [RFC v3 00/12] DRM scheduling cgroup controller Tvrtko Ursulin
2023-01-12 16:55 ` [RFC 01/12] drm: Track clients by tgid and not tid Tvrtko Ursulin
2023-01-12 16:55 ` [RFC 02/12] drm: Update file owner during use Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 03/12] cgroup: Add the DRM cgroup controller Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 04/12] drm/cgroup: Track clients per owning process Tvrtko Ursulin
2023-01-17 16:03   ` Stanislaw Gruszka
2023-01-17 16:25     ` Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 05/12] drm/cgroup: Allow safe external access to file_priv Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 06/12] drm/cgroup: Add ability to query drm cgroup GPU time Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 07/12] drm/cgroup: Add over budget signalling callback Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 08/12] drm/cgroup: Only track clients which are providing drm_cgroup_ops Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 09/12] cgroup/drm: Client exit hook Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 10/12] cgroup/drm: Introduce weight based drm cgroup control Tvrtko Ursulin
     [not found]   ` <20230112165609.1083270-11-tvrtko.ursulin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2023-01-27 13:01     ` Michal Koutný
     [not found]       ` <20230127130134.GA15846-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2023-01-27 13:31         ` Tvrtko Ursulin
2023-01-27 14:11           ` Michal Koutný
     [not found]             ` <20230127141136.GG3527-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2023-01-27 15:21               ` Tvrtko Ursulin
2023-01-28  1:11     ` Tejun Heo
     [not found]       ` <Y9R2N8sl+7f8Zacv-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2023-02-02 14:26         ` Tvrtko Ursulin
     [not found]           ` <27b7882e-1201-b173-6f56-9ececb5780e8-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2023-02-02 20:00             ` Tejun Heo [this message]
2023-01-12 16:56 ` [RFC 11/12] drm/i915: Wire up with drm controller GPU time query Tvrtko Ursulin
2023-01-12 16:56 ` [RFC 12/12] drm/i915: Implement cgroup controller over budget throttling Tvrtko Ursulin
     [not found] ` <20230112165609.1083270-1-tvrtko.ursulin-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2023-01-23 15:42   ` [RFC v3 00/12] DRM scheduling cgroup controller Michal Koutný
     [not found]     ` <20230123154239.GA24348-9OudH3eul5jcvrawFnH+a6VXKuFTiq87@public.gmane.org>
2023-01-25 18:11       ` Tvrtko Ursulin
     [not found]         ` <371f3ce5-3468-b91d-d688-7e89499ff347-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2023-01-26 13:00           ` Michal Koutný
2023-01-26 17:04             ` Tejun Heo
     [not found]               ` <Y9KyiCPYj2Mzym3Z-NiLfg/pYEd1N0TnZuCh8vA@public.gmane.org>
2023-01-26 17:57                 ` Tvrtko Ursulin
2023-01-26 18:14                   ` Tvrtko Ursulin
     [not found]                   ` <b8a0872c-fe86-b174-ca3b-0fc04a98e224-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2023-01-27 10:04                     ` Michal Koutný
2023-01-27 11:40                       ` Tvrtko Ursulin
2023-01-27 13:00                         ` Michal Koutný

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