re is more details described in the link, please go
through it.
Regards
Hongzhan Chen
-Original Message-
From: Ivan Jiang
Sent: Wednesday, March 16, 2022 4:02 PM
To: Chen, Hongzhan ; xenomai@xenomai.org
Subject: Re: CONFIG_NO_HZ_FULL = y but still have arch-timer on isolation CPUs
Dea
On 15.03.22 05:01, Ivan Jiang via Xenomai wrote:
> Dear Guys:
>
>
>
> I’ve set the configs like this
>
> CONFIG_NO_HZ_FULL = y
>
> CONFIG_RCU_NOCB_CPU=y
>
> CONFIG_PREEMPT=y
>
> CONFIG_CPU_IDLE=n
>
> CONFIG_ARM_CPUIDLE=n
>
> CONFIG_CPU_FREQ=n
>
> And setenv isolcpus=1
-
From: Ivan Jiang
Sent: Wednesday, March 16, 2022 1:55 PM
To: Chen, Hongzhan ; xenomai@xenomai.org
Subject: Re: CONFIG_NO_HZ_FULL = y but still have arch-timer on isolation
CPUs
Dear Hongzhan:
My kernel is 4.19.165, indeed remove xenomai, the phenomenon is
with 4.19?
Regards
Hongzhan Chen
-Original Message-
From: Ivan Jiang
Sent: Wednesday, March 16, 2022 1:55 PM
To: Chen, Hongzhan ; xenomai@xenomai.org
Subject: Re: CONFIG_NO_HZ_FULL = y but still have arch-timer on isolation CPUs
Dear Hongzhan:
My kernel is 4.19.165, indeed remo
Dear Hongzhan:
My kernel is 4.19.165, indeed remove xenomai, the phenomenon is the
same.
Maybe it’s a bug in this kernel, and how can I trace this bug if it is
fixed in some patch?
Thank you.
Ivan
在 2022/3/16 11:30,“Chen, Hongzhan” 写入:
Hi Ivan
Hope that what
Hi Ivan
Hope that what discussed in
https://stackoverflow.com/questions/60322119/completely-eliminating-the-timer-tick-in-modern-linux-5-0
may help you.
Seems that there need do more settings for kernel parameters per your
requirement but I have not tried myself. When you remove Xenomai,