On Fri, 2016-03-18 at 01:45 -0600, Jan Beulich wrote:
> >
> > > > On 18.03.16 at 05:09, wrote:
> > Great job! However, we still have 1 mile in the 100-mile journey.
> > :-D
> >
> > I applied the patch on staging and tried some test cases. One of
> > them
> > is as follows:
> >
> > I tried to cr
On Fri, 2016-03-18 at 00:09 -0400, Meng Xu wrote:
> The test scenario is:
> Pool-0 has rtds scheduler,
> then I create cpupools with credit, credit2, rtds scheduler; The bug
> occurs when I run the scripts. However, my machine just got stuck and
> never goes up.. :-(
> What's worse, the remote pow
Hi Tianyang,
Great job! However, we still have 1 mile in the 100-mile journey. :-D
I applied the patch on staging and tried some test cases. One of them
is as follows:
I tried to create a cpupool and then migrate a VM to the new cpupool;
However, the system triggers the bug as below. I guess thi
>
>> If I can already point you to something else that can be improved
>> further in this scheduler, _completely_ independently from this, and
>> hence in a fully new patch (series), can you have a look at whether we
>> really need set_bit(), test_and_clear(), etc, instead of __set_bit(),
>> __test
>> > I tried to create a cpupool and then migrate a VM to the new
>> > cpupool;
>>
> BTW, Meng:
>
> (XEN)[] schedule_cpu_switch+0x250/0x28a
> (XEN)[] cpupool.c#cpupool_assign_cpu_locked+0x31/0x11f
>
> I think you mean "and then move a CPU from a cpupool to another". Or
> perhaps what you sa
On Thu, 2016-03-17 at 12:06 -0400, Tianyang Chen wrote:
> The current RTDS code has several problems:
> - the scheduler, although the algorithm is event driven by
> nature, follows a time driven model (is invoked periodically!),
> making the code look unnatural;
> - budget replenishment log
The current RTDS code has several problems:
- the scheduler, although the algorithm is event driven by
nature, follows a time driven model (is invoked periodically!),
making the code look unnatural;
- budget replenishment logic, budget enforcement logic and scheduling
decisions are mixed
>>> On 18.03.16 at 05:09, wrote:
> Great job! However, we still have 1 mile in the 100-mile journey. :-D
>
> I applied the patch on staging and tried some test cases. One of them
> is as follows:
>
> I tried to create a cpupool and then migrate a VM to the new cpupool;
> However, the system trig
On 03/17/2016 02:27 PM, Dario Faggioli wrote:
Finally, when waking up a vcpu, it is now enough to tickle the
various
CPUs appropriately, like all other schedulers also do.
Signed-off-by: Tianyang Chen
Signed-off-by: Meng Xu
Signed-off-by: Dagaen Golomb
You seem to have taken care of all m
On Fri, Mar 18, 2016 at 3:45 AM, Jan Beulich wrote:
On 18.03.16 at 05:09, wrote:
>> Great job! However, we still have 1 mile in the 100-mile journey. :-D
>>
>> I applied the patch on staging and tried some test cases. One of them
>> is as follows:
>>
>> I tried to create a cpupool and then m
On Thu, Mar 17, 2016 at 12:06 PM, Tianyang Chen wrote:
> The current RTDS code has several problems:
> - the scheduler, although the algorithm is event driven by
>nature, follows a time driven model (is invoked periodically!),
>making the code look unnatural;
> - budget replenishment log
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