On Tue, 2017-07-25 at 15:34 +0100, George Dunlap wrote:
> On 06/29/2017 11:09 AM, Dario Faggioli wrote:
> > E.g., if the vcpu is "greedy", and always tries to run, as soon as
> > it
> > has some budget, the difference between the two solution is _where_
> > we
> > put the "sitting period".
>
> Sor
On Tue, 2017-07-25 at 16:08 +0100, George Dunlap wrote:
> On 06/08/2017 01:08 PM, Dario Faggioli wrote:
> >
> Hmm, this needs to be rebased on the structure layout patches I
> checked
> in last week. :-)
>
Indeed it does. And of course, I'm up for it. :-)
The soft-affinity series is likely to ge
On 06/08/2017 01:08 PM, Dario Faggioli wrote:
> This commit implements the Xen part of the cap mechanism for
> Credit2.
>
> A cap is how much, in terms of % of physical CPU time, a domain
> can execute at most.
>
> For instance, a domain that must not use more than 1/4 of one
> physical CPU, must
On 06/29/2017 11:09 AM, Dario Faggioli wrote:
> On Wed, 2017-06-28 at 20:05 +0100, George Dunlap wrote:
>> On Wed, Jun 28, 2017 at 3:56 PM, Dario Faggioli
>> wrote:
>>>
>>> In the case you describe, at 2T, with budget -C, the first round of
>>> the
>>> loop will make the budget 0, and set the next
On Wed, 2017-06-28 at 20:05 +0100, George Dunlap wrote:
> On Wed, Jun 28, 2017 at 3:56 PM, Dario Faggioli
> wrote:
> >
> > In the case you describe, at 2T, with budget -C, the first round of
> > the
> > loop will make the budget 0, and set the next replenishment to 3T.
> > As
> > you say, since b
On Wed, Jun 28, 2017 at 3:56 PM, Dario Faggioli
wrote:
> On Wed, 2017-06-28 at 15:28 +0100, George Dunlap wrote:
>> On Fri, Jun 23, 2017 at 5:19 PM, Dario Faggioli
>> wrote:
>> > > > +{
>> > > > +struct csched2_dom *sdom = data;
>> > > > +unsigned long flags;
>> > > > +s_time_t now;
>
On Wed, 2017-06-28 at 15:28 +0100, George Dunlap wrote:
> On Fri, Jun 23, 2017 at 5:19 PM, Dario Faggioli
> wrote:
> > > > +{
> > > > +struct csched2_dom *sdom = data;
> > > > +unsigned long flags;
> > > > +s_time_t now;
> > > > +LIST_HEAD(parked);
> > > > +
> > > > +spin_lock_
On Fri, Jun 23, 2017 at 5:19 PM, Dario Faggioli
wrote:
>> > +{
>> > +struct csched2_dom *sdom = data;
>> > +unsigned long flags;
>> > +s_time_t now;
>> > +LIST_HEAD(parked);
>> > +
>> > +spin_lock_irqsave(&sdom->budget_lock, flags);
>> > +
>> > +/*
>> > + * It is possib
On Thu, 2017-06-22 at 17:55 +0100, George Dunlap wrote:
> On 08/06/17 13:08, Dario Faggioli wrote:
> > This commit implements the Xen part of the cap mechanism for
> > Credit2.
> >
> > A cap is how much, in terms of % of physical CPU time, a domain
> > can execute at most.
> >
> > For instance, a
On 08/06/17 13:08, Dario Faggioli wrote:
> This commit implements the Xen part of the cap mechanism for
> Credit2.
>
> A cap is how much, in terms of % of physical CPU time, a domain
> can execute at most.
>
> For instance, a domain that must not use more than 1/4 of one
> physical CPU, must have
On 13/06/2017 22:13, Dario Faggioli wrote:
On Tue, 2017-06-13 at 17:07 +0100, Anshul Makkar wrote:
On 12/06/2017 14:19, Dario Faggioli wrote:
@@ -92,6 +92,82 @@
*/
what I want to ask is that if the budget of the domain is
replenished,
but credit for the vcpus of that domain is not available
On Tue, 2017-06-13 at 17:07 +0100, Anshul Makkar wrote:
> On 12/06/2017 14:19, Dario Faggioli wrote:
> > > > @@ -92,6 +92,82 @@
> > > > */
> > > >
> > > > /*
> > > > + * Utilization cap:
> > > > + *
> > > > + * Setting an pCPU utilization cap for a domain means the
> > > > following:
> > > > +
On 12/06/2017 14:19, Dario Faggioli wrote:
Hey,
Budget is burned by the domain's vCPUs, in a similar way to how
credits are.
When a domain runs out of budget, its vCPUs can't run any longer.
if the vcpus of a domain have credit and if budget has run out, will
the
vcpus won't be scheduled.
Hey,
Thanks for looking at the patch! :-)
On Mon, 2017-06-12 at 12:16 +0100, Anshul Makkar wrote:
> On 08/06/2017 13:08, Dario Faggioli wrote:
> > This commit implements the Xen part of the cap mechanism for
> > Credit2.
> >
> > A cap is how much, in terms of % of physical CPU time, a domain
> >
On 08/06/2017 13:08, Dario Faggioli wrote:
This commit implements the Xen part of the cap mechanism for
Credit2.
A cap is how much, in terms of % of physical CPU time, a domain
can execute at most.
For instance, a domain that must not use more than 1/4 of one
physical CPU, must have a cap of 25
This commit implements the Xen part of the cap mechanism for
Credit2.
A cap is how much, in terms of % of physical CPU time, a domain
can execute at most.
For instance, a domain that must not use more than 1/4 of one
physical CPU, must have a cap of 25%; one that must not use more
than 1+1/2 of p
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