On 2017/8/29 21:55, Konrad Rzeszutek Wilk wrote:
On Tue, Aug 29, 2017 at 11:46:35AM +, Yang Zhang wrote:
So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called in
idle path which will polling for a while before we enter the real idle
state.
In virtualization, idle path
On 29/08/17 15:55, Konrad Rzeszutek Wilk wrote:
> On Tue, Aug 29, 2017 at 11:46:35AM +, Yang Zhang wrote:
>> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called in
>> idle path which will polling for a while before we enter the real idle
>> state.
>>
>> In virtualization,
On Tue, Aug 29, 2017 at 11:46:35AM +, Yang Zhang wrote:
> So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called in
> idle path which will polling for a while before we enter the real idle
> state.
>
> In virtualization, idle path includes several heavy operations
> includes
So far, pv_idle_ops.poll is the only ops for pv_idle. .poll is called in
idle path which will polling for a while before we enter the real idle
state.
In virtualization, idle path includes several heavy operations
includes timer access(LAPIC timer or TSC deadline timer) which will hurt
