fenrus75
commented
1 year ago ok our main kernel already had this -- I've turned this on for the AWS kernel -- will be in the next release
On Thu, Aug 24, 2023 at 11:52 PM Yanni @.***> wrote:
I wish to enable nohz_full on aws kernel for a low latency workload, but it appears that this is not supported. See output of sudo dmesg | grep nohz:
[ 0.065691] Kernel command line: BOOT_IMAGE=org.clearlinux.aws.6.1.46-403 root=PARTUUID=fd9d7e8c-ff88-4b97-98c4-358d33bd50a3 ... isolcpus=3-7 nohz=on nohz_full=3-7 ... [ 0.065761] Housekeeping: nohz unsupported. Build with CONFIG_NO_HZ_FULL ...```
This is a problematic omission for the use case.
— Reply to this email directly, view it on GitHub https://github.com/clearlinux/distribution/issues/2945, or unsubscribe https://github.com/notifications/unsubscribe-auth/AAJ54FLUSB6QYNZIDFGMFJLXXBDRXANCNFSM6AAAAAA36B7EK4 . You are receiving this because you are subscribed to this thread.Message ID: @.***>
I wish to enable nohz_full on aws kernel for a low latency workload, but it appears that this is not supported. See output of sudo dmesg | grep nohz:
This is a problematic omission for the use case. Perhaps the kernel could be built with CONFIG_NO_HZ_FULL to enable this feature?