On 01/21/2015 03:26 PM, Thomas Gleixner wrote:
> On Tue, 20 Jan 2015, Preeti U Murthy wrote:
>> On 01/20/2015 04:51 PM, Thomas Gleixner wrote:
>>> On Mon, 19 Jan 2015, Preeti U Murthy wrote:
An idle cpu enters cpu_idle_poll() if it is set in the
tick_broadcast_force_mask.
This is so
On Tue, 20 Jan 2015, Preeti U Murthy wrote:
> On 01/20/2015 04:51 PM, Thomas Gleixner wrote:
> > On Mon, 19 Jan 2015, Preeti U Murthy wrote:
> >> An idle cpu enters cpu_idle_poll() if it is set in the
> >> tick_broadcast_force_mask.
> >> This is so that it does not incur the overhead of entering i
On 01/20/2015 04:51 PM, Thomas Gleixner wrote:
> On Mon, 19 Jan 2015, Preeti U Murthy wrote:
>> An idle cpu enters cpu_idle_poll() if it is set in the
>> tick_broadcast_force_mask.
>> This is so that it does not incur the overhead of entering idle states when
>> it is expected
>> to be woken up a
On Mon, 19 Jan 2015, Preeti U Murthy wrote:
> An idle cpu enters cpu_idle_poll() if it is set in the
> tick_broadcast_force_mask.
> This is so that it does not incur the overhead of entering idle states when
> it is expected
> to be woken up anytime then through a broadcast IPI. The condition tha
An idle cpu enters cpu_idle_poll() if it is set in the
tick_broadcast_force_mask.
This is so that it does not incur the overhead of entering idle states when it
is expected
to be woken up anytime then through a broadcast IPI. The condition that forces
an exit out
of the idle polling is the check