Query with CRI-O pids_limit and how are the pods with multiple containers treated. Are the pods share same cgroup or they have individual same cgroup. 

    4.12.z+

    1. ssh to any worker node.

sh-5.1# cat /etc/kubernetes/kubelet.conf | grep -i pids
  "podPidsLimit": 4096,

sh-5.1# crio-status config | grep -i pids
    pids_limit = 0

sh-5.1# for f in /sys/fs/cgroup/kubepods.slice/kubepods-*/*/pids.max; do echo $f.; cat $f; done
/sys/fs/cgroup/kubepods.slice/kubepods-besteffort.slice/kubepods-besteffort-poddd38844b_7456_4729_91da_5becb42851f7.slice/pids.max.
4096
/sys/fs/cgroup/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod04430ca7_78eb_4c82_acc6_b6650a478d8e.slice/pids.max.
4096

     2. sh-5.1# cd /sys/fs/cgroup/kubepods.slice/
sh-5.1# ls -lrth 
total 0
drwxr-xr-x. 36 root root 0 Apr 26 10:00 kubepods-burstable.slice        <<<<<<<<<<

     3. ssh to any master node 

sh-5.1# crictl inspect 2296541f8f7b9 | grep -i cgroup    <<<< etcd container
          "destination": "/sys/fs/cgroup",
          "type": "cgroup",
          "source": "cgroup",
        "cgroupsPath": "kubepods-burstable-podc021dc4b59737f5ba22f11478deda42e.slice:crio:2296541f8f7b96f32cc51d9dc33df171a1504cc7b62be6d0dbc378c47090488b",

sh-5.1# crictl inspect 532d39f24b02a | grep -i cgroup   <<<< etcd-readyz container
          "destination": "/sys/fs/cgroup",
          "type": "cgroup",
          "source": "cgroup",
        "cgroupsPath": "kubepods-burstable-podc021dc4b59737f5ba22f11478deda42e.slice:crio:532d39f24b02aa199de149d1692161a25aae4eb2059cba69900fe4764b884627",

sh-5.1# crictl inspect 532d39f24b02a | grep pid                                                                          
    "pid": 29593,
          "pids": {
            "type": "pid"
sh-5.1# crictl inspect 2296541f8f7b9 | grep pid
    "pid": 29496,
          "pids": {
            "type": "pid"

sh-5.1# cat /proc/29593/cgroup 
0::/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-podc021dc4b59737f5ba22f11478deda42e.slice/crio-532d39f24b02aa199de149d1692161a25aae4eb2059cba69900fe4764b884627.scope
sh-5.1# cat /proc/29496/cgroup                                                                                                                                                                                  
0::/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-podc021dc4b59737f5ba22f11478deda42e.slice/crio-2296541f8f7b96f32cc51d9dc33df171a1504cc7b62be6d0dbc378c47090488b.scope     

    https://redhat-internal.slack.com/archives/CK1AE4ZCK/p1714129748495879