Ubuntu bionic kernel does not support cgroup cpu real-time runtime

[smbptnk]

Hi

How can we enable cpu-rt-runtime on Ubuntu bionic .

Info: reading kernel config from /boot/config-4.15.0-23-generic ...


CONFIG_RT_GROUP_SCHED: missing
error message got -
docker create -t -i --hostname racnode1 \


--volume /boot:/boot:ro \
--volume /dev/shm --tmpfs /dev/shm:rw,exec,size=4G \
--volume /opt/containers/rac_host_file:/etc/hosts \
--dns-search=example.com \
--privileged=false --volume racstorage:/oradata \
--cap-add=SYS_ADMIN --cap-add=SYS_NICE \
--cap-add=SYS_RESOURCE --cap-add=NET_ADMIN \
-e NODE_VIP=172.15.1.160 -e VIP_HOSTNAME=racnode1-vip \
-e PRIV_IP=192.168.17.150 -e PRIV_HOSTNAME=racnode1-priv \
-e PUBLIC_IP=172.15.1.150 -e PUBLIC_HOSTNAME=racnode1 \
-e SCAN_NAME=racnode-scan -e SCAN_IP=172.15.1.70 \
-e OP_TYPE=INSTALL -e DOMAIN=example.com \
-e ASM_DISCOVERY_DIR=/oradata -e ORACLE_PWD="Oracle_12c" \
-e ASM_DEVICE_LIST=/oradata/asm_disk01.img,/oradata/asm_disk02.img,/oradata/asm_disk03.img,/oradata/asm_disk04.img,/oradata/asm_disk05.img \
-e CMAN_HOSTNAME=racnode-cman1 -e CMAN_IP=172.15.1.15 \
-e OS_PASSWORD=Oracle_12c \
--restart=always --tmpfs=/run -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
--cpu-rt-runtime=95000 --ulimit rtprio=99 \
--name racnode1 oracle/database-rac:12.2.0.1


Error response from daemon: Your kernel does not support cgroup cpu real-time runtime
Distribution:

Distributor ID: Ubuntu
Description: Ubuntu 18.04 LTS
Release: 18.04
Codename: bionic
Thanks in adv.

[ubfan1]

You need a real-time kernel, not the one distributed with bionic. See https://wiki.archlinux.org/index.php/Realtime_kernel