On 25-04-19, 15:07, Viresh Kumar wrote:
> We target for an idle CPU in select_idle_sibling() to run the next task,
> but in case we don't find idle CPUs it is better to pick a CPU which
> will run the task the soonest, for performance reason. A CPU which isn't
> idle but has only SCHED_IDLE
On 5/14/19 10:27 AM, Subhra Mazumdar wrote:
On 5/14/19 9:03 AM, Steven Sistare wrote:
On 5/13/2019 7:35 AM, Peter Zijlstra wrote:
On Mon, May 13, 2019 at 03:04:18PM +0530, Viresh Kumar wrote:
On 10-05-19, 09:21, Peter Zijlstra wrote:
I don't hate his per se; but the whole
On 5/14/19 9:03 AM, Steven Sistare wrote:
On 5/13/2019 7:35 AM, Peter Zijlstra wrote:
On Mon, May 13, 2019 at 03:04:18PM +0530, Viresh Kumar wrote:
On 10-05-19, 09:21, Peter Zijlstra wrote:
I don't hate his per se; but the whole select_idle_sibling() thing is
something that needs looking
On 5/13/2019 7:35 AM, Peter Zijlstra wrote:
> On Mon, May 13, 2019 at 03:04:18PM +0530, Viresh Kumar wrote:
>> On 10-05-19, 09:21, Peter Zijlstra wrote:
>
>>> I don't hate his per se; but the whole select_idle_sibling() thing is
>>> something that needs looking at.
>>>
>>> There was the task
On Mon, May 13, 2019 at 03:04:18PM +0530, Viresh Kumar wrote:
> On 10-05-19, 09:21, Peter Zijlstra wrote:
> > I don't hate his per se; but the whole select_idle_sibling() thing is
> > something that needs looking at.
> >
> > There was the task stealing thing from Steve that looked interesting
On 10-05-19, 09:21, Peter Zijlstra wrote:
> On Thu, Apr 25, 2019 at 03:07:40PM +0530, Viresh Kumar wrote:
> > We target for an idle CPU in select_idle_sibling() to run the next task,
> > but in case we don't find idle CPUs it is better to pick a CPU which
> > will run the task the soonest, for
On Thu, Apr 25, 2019 at 03:07:40PM +0530, Viresh Kumar wrote:
> We target for an idle CPU in select_idle_sibling() to run the next task,
> but in case we don't find idle CPUs it is better to pick a CPU which
> will run the task the soonest, for performance reason. A CPU which isn't
> idle but has
We target for an idle CPU in select_idle_sibling() to run the next task,
but in case we don't find idle CPUs it is better to pick a CPU which
will run the task the soonest, for performance reason. A CPU which isn't
idle but has only SCHED_IDLE activity queued on it should be a good
target based on
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