On 02.08.2007 21:48, Ingo Molnar wrote:
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
On 08/02/2007 05:19 PM, Ingo Molnar wrote:
>* Martin Roehricht <[EMAIL PROTECTED]> wrote:
>
>>That's fine with me, that within the same priority-queue any task can
>>be chosen. But assume two tasks with highl
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
> On 08/02/2007 05:19 PM, Ingo Molnar wrote:
> >* Martin Roehricht <[EMAIL PROTECTED]> wrote:
> >
> >>That's fine with me, that within the same priority-queue any task can
> >>be chosen. But assume two tasks with highly different priorities, such
>
On 08/02/2007 05:19 PM, Ingo Molnar wrote:
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
That's fine with me, that within the same priority-queue any task can
be chosen. But assume two tasks with highly different priorities, such
as 105 and 135 are scheduled on the same processor and one of th
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
> That's fine with me, that within the same priority-queue any task can
> be chosen. But assume two tasks with highly different priorities, such
> as 105 and 135 are scheduled on the same processor and one of them is
> now to be migrated -- shouldn
On 08/02/2007 05:03 PM, Ingo Molnar wrote:
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
On 08/02/2007 01:40 PM, Ingo Molnar wrote:
>in the SMP migration code, the 'old scheduler' indeed picks the lowest
>priority one, _except_ if that task is running on another CPU or is too
>'cache hot':
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
> On 08/02/2007 01:40 PM, Ingo Molnar wrote:
> >in the SMP migration code, the 'old scheduler' indeed picks the lowest
> >priority one, _except_ if that task is running on another CPU or is too
> >'cache hot':
>
> But why is it, that the scheduler
On 08/02/2007 01:40 PM, Ingo Molnar wrote:
in the SMP migration code, the 'old scheduler' indeed picks the lowest
priority one, _except_ if that task is running on another CPU or is too
'cache hot':
But why is it, that the scheduler picks the lowest priority one? I
thought sched_find_first_bi
* Martin Roehricht <[EMAIL PROTECTED]> wrote:
> perhaps someone can give me a hint what I should consider to look for in
> order to change the ("old" 2.6.21) scheduler such that it schedules the
> highest priority task of a given runqueue.
> Given a multiprocessor system I currently observe tha
Hi,
perhaps someone can give me a hint what I should consider to look for in
order to change the ("old" 2.6.21) scheduler such that it schedules the
highest priority task of a given runqueue.
Given a multiprocessor system I currently observe that whenever there
are two tasks on one CPU, the lo
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