Re: nohz: Update tick instead of restarting tick in tick_nohz_idle_exit()

2021-02-19 Thread Yunfeng Ye
On 2021/2/19 20:16, Frederic Weisbecker wrote: > On Mon, Nov 23, 2020 at 09:22:08PM +0800, Yunfeng Ye wrote: >> In realtime scenarios, the "nohz_full" parameter is configured. Tick >> interference is not expected when there is only one realtime thread. >> But when the idle thread is switched to

Re: nohz: Update tick instead of restarting tick in tick_nohz_idle_exit()

2021-02-19 Thread Frederic Weisbecker
On Mon, Nov 23, 2020 at 09:22:08PM +0800, Yunfeng Ye wrote: > In realtime scenarios, the "nohz_full" parameter is configured. Tick > interference is not expected when there is only one realtime thread. > But when the idle thread is switched to the realtime thread, the tick > timer is restarted

Re: nohz: Update tick instead of restarting tick in tick_nohz_idle_exit()

2020-11-27 Thread Yunfeng Ye
On 2020/11/27 20:15, Frederic Weisbecker wrote: > On Mon, Nov 23, 2020 at 09:22:08PM +0800, Yunfeng Ye wrote: >> In realtime scenarios, the "nohz_full" parameter is configured. Tick >> interference is not expected when there is only one realtime thread. >> But when the idle thread is switched

Re: nohz: Update tick instead of restarting tick in tick_nohz_idle_exit()

2020-11-27 Thread Frederic Weisbecker
On Mon, Nov 23, 2020 at 09:22:08PM +0800, Yunfeng Ye wrote: > In realtime scenarios, the "nohz_full" parameter is configured. Tick > interference is not expected when there is only one realtime thread. > But when the idle thread is switched to the realtime thread, the tick > timer is restarted

nohz: Update tick instead of restarting tick in tick_nohz_idle_exit()

2020-11-23 Thread Yunfeng Ye
In realtime scenarios, the "nohz_full" parameter is configured. Tick interference is not expected when there is only one realtime thread. But when the idle thread is switched to the realtime thread, the tick timer is restarted always. So on the nohz full mode, it is unnecessary to restart the