On 2017/8/29 20:46, Peter Zijlstra wrote:
On Tue, Aug 29, 2017 at 11:46:41AM +, Yang Zhang wrote:
In ttwu_do_wakeup, it will update avg_idle when wakeup from idle. Here
we just reuse this logic to update the poll time. It may be a little
late to update the poll in ttwu_do_wakeup, but the t
On 2017/8/29 20:46, Peter Zijlstra wrote:
On Tue, Aug 29, 2017 at 11:46:41AM +, Yang Zhang wrote:
In ttwu_do_wakeup, it will update avg_idle when wakeup from idle. Here
we just reuse this logic to update the poll time. It may be a little
late to update the poll in ttwu_do_wakeup, but the tes
On Tue, Aug 29, 2017 at 11:46:41AM +, Yang Zhang wrote:
> In ttwu_do_wakeup, it will update avg_idle when wakeup from idle. Here
> we just reuse this logic to update the poll time. It may be a little
> late to update the poll in ttwu_do_wakeup, but the test result shows no
> obvious performance
In ttwu_do_wakeup, it will update avg_idle when wakeup from idle. Here
we just reuse this logic to update the poll time. It may be a little
late to update the poll in ttwu_do_wakeup, but the test result shows no
obvious performance gap compare with updating poll in irq handler.
one problem is that
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