Hi Tejun,
On Mon, 15 Mar 2021 22:22:12 -0400, Tejun Heo wrote:
> On Mon, Mar 15, 2021 at 06:30:30PM -0700, Jacob Pan wrote:
> > I don't know if this is required. I thought utilities such as cgclassify
> > need to be supported.
> > " cgclassify - move running task(s) to given cgroups "
> > If no
On Mon, Mar 15, 2021 at 06:30:30PM -0700, Jacob Pan wrote:
> I don't know if this is required. I thought utilities such as cgclassify
> need to be supported.
> " cgclassify - move running task(s) to given cgroups "
> If no such use case, I am fine with dropping the migration support. Just
> enforce
Hi Tejun,
On Mon, 15 Mar 2021 19:54:36 -0400, Tejun Heo wrote:
> Hello,
>
> On Mon, Mar 15, 2021 at 04:40:12PM -0700, Jacob Pan wrote:
> > 2. then we want to move/migrate Process1 to cg_B. so we need uncharge
> > 10 of cg_A, charge 10 of cg_B
>
> So, what I don't get is why this migration is
Hello,
On Mon, Mar 15, 2021 at 04:40:12PM -0700, Jacob Pan wrote:
> 2. then we want to move/migrate Process1 to cg_B. so we need uncharge 10 of
> cg_A, charge 10 of cg_B
So, what I don't get is why this migration is necessary. This isn't
supported as a usage pattern and no one, at least in terms
Hi Tejun,
On Mon, 15 Mar 2021 18:19:35 -0400, Tejun Heo wrote:
> Hello,
>
> On Mon, Mar 15, 2021 at 03:11:55PM -0700, Jacob Pan wrote:
> > > Migration itself doesn't have restrictions but all resources are
> > > distributed on the same hierarchy, so the controllers are supposed to
> > > follow
Hello,
On Mon, Mar 15, 2021 at 03:11:55PM -0700, Jacob Pan wrote:
> > Migration itself doesn't have restrictions but all resources are
> > distributed on the same hierarchy, so the controllers are supposed to
> > follow the same conventions that can be implemented by all controllers.
> >
> Got it
Hi Tejun,
On Sat, 13 Mar 2021 13:05:36 -0500, Tejun Heo wrote:
> Hello,
>
> On Sat, Mar 13, 2021 at 08:57:01AM -0800, Jacob Pan wrote:
> > Isn't PIDs controller doing the charge/uncharge? I was under the
> > impression that each resource can be independently charged/uncharged,
> > why it affect
Hello,
On Sat, Mar 13, 2021 at 08:57:01AM -0800, Jacob Pan wrote:
> Isn't PIDs controller doing the charge/uncharge? I was under the impression
> that each resource can be independently charged/uncharged, why it affects
> other resources? Sorry for the basic question.
Yeah, PID is an exception as
Hi Tejun,
On Sat, 13 Mar 2021 05:20:39 -0500, Tejun Heo wrote:
> On Fri, Mar 12, 2021 at 02:59:04PM -0800, Jacob Pan wrote:
> > Our primary goal is to limit the amount of IOASIDs that VMs can
> > allocate. If a VM is migrated to a different cgroup, I think we need to
> > charge/uncharge the dest
On Fri, Mar 12, 2021 at 02:59:04PM -0800, Jacob Pan wrote:
> Our primary goal is to limit the amount of IOASIDs that VMs can allocate.
> If a VM is migrated to a different cgroup, I think we need to
> charge/uncharge the destination/source cgroup in order enforce the limit. I
> am not an expert her
Hi Vipin,
On Fri, 12 Mar 2021 13:15:14 -0800, Vipin Sharma wrote:
> On Fri, Mar 12, 2021 at 12:58:21PM -0800, Jacob Pan wrote:
> > Hi Vipin & Tejun,
> >
> > Sorry for the late reply, I sent from a different email address than I
> > intended. Please see my comments inline.
> >
> >
> > On Thu,
On Fri, Mar 12, 2021 at 12:58:21PM -0800, Jacob Pan wrote:
> Hi Vipin & Tejun,
>
> Sorry for the late reply, I sent from a different email address than I
> intended. Please see my comments inline.
>
>
> On Thu, 4 Mar 2021 03:51:16 -0500, Tejun Heo wrote:
>
> > Hello,
> >
> > On Wed, Mar 03, 2
Hi Vipin & Tejun,
Sorry for the late reply, I sent from a different email address than I
intended. Please see my comments inline.
On Thu, 4 Mar 2021 03:51:16 -0500, Tejun Heo wrote:
> Hello,
>
> On Wed, Mar 03, 2021 at 10:22:03PM -0800, Vipin Sharma wrote:
> > > I am trying to see if IOASIDs
Hello,
On Wed, Mar 03, 2021 at 10:22:03PM -0800, Vipin Sharma wrote:
> > I am trying to see if IOASIDs cgroup can also fit in this misc controller
> > as yet another resource type.
> > https://lore.kernel.org/linux-iommu/20210303131726.7a8cb169@jacob-builder/T/#u
> > However, unlike sev IOASIDs ne
On Wed, Mar 03, 2021 at 06:55:13PM -0800, Jacob Pan wrote:
> Hi Vipin,
>
> On Tue, 2 Mar 2021 00:17:05 -0800, Vipin Sharma wrote:
>
> > +Migration and Ownership
> > +~~~
> > +
> > +A miscellaneous scalar resource is charged to the cgroup in which it is
> > used +first, and s
Hi Vipin,
On Tue, 2 Mar 2021 00:17:05 -0800, Vipin Sharma wrote:
> +Migration and Ownership
> +~~~
> +
> +A miscellaneous scalar resource is charged to the cgroup in which it is
> used +first, and stays charged to that cgroup until that resource is
> freed. Migrating +a proc
Documentation of miscellaneous cgroup controller. This new controller is
used to track and limit the usage of scalar resources.
Signed-off-by: Vipin Sharma
Reviewed-by: David Rientjes
---
Documentation/admin-guide/cgroup-v1/index.rst | 1 +
Documentation/admin-guide/cgroup-v1/misc.rst | 4 ++
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