cpuinfo not work in k8s with different requests cpu and limits cpu

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Required information

• Distribution:
  • Ubuntu 24.04 LTS
• LXCFS version:5.0.4
• The output of
  • Linux k8s-node1 6.8.0-48-generic Change uptime format #48-Ubuntu SMP PREEMPT_DYNAMIC Fri Sep 27 14:04:52 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux
  • sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
    proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
    udev /dev devtmpfs rw,nosuid,relatime,size=197387516k,nr_inodes=49346879,mode=755,inode64 0 0
    devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
    tmpfs /run tmpfs rw,nosuid,nodev,noexec,relatime,size=39484760k,mode=755,inode64 0 0
    /dev/sda3 / ext4 rw,relatime,stripe=64 0 0
    securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
    tmpfs /dev/shm tmpfs rw,nosuid,nodev,inode64 0 0
    tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k,inode64 0 0
    cgroup2 /sys/fs/cgroup cgroup2 rw,nosuid,nodev,noexec,relatime 0 0
    pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
    bpf /sys/fs/bpf bpf rw,nosuid,nodev,noexec,relatime,mode=700 0 0
    systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=32,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=20487 0 0
    hugetlbfs /dev/hugepages hugetlbfs rw,nosuid,nodev,relatime,pagesize=2M 0 0
    mqueue /dev/mqueue mqueue rw,nosuid,nodev,noexec,relatime 0 0
    debugfs /sys/kernel/debug debugfs rw,nosuid,nodev,noexec,relatime 0 0
    tracefs /sys/kernel/tracing tracefs rw,nosuid,nodev,noexec,relatime 0 0
    fusectl /sys/fs/fuse/connections fusectl rw,nosuid,nodev,noexec,relatime 0 0
    configfs /sys/kernel/config configfs rw,nosuid,nodev,noexec,relatime 0 0
    /dev/sda4 /boot ext4 rw,relatime,stripe=64 0 0
    /dev/sda5 /var ext4 rw,relatime,stripe=64 0 0
    /dev/sda2 /tmp ext4 rw,relatime,stripe=64 0 0
    /dev/sdb1 /home ext4 rw,relatime,stripe=64 0 0
    binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,nosuid,nodev,noexec,relatime 0 0
    tmpfs /home/kubelet/pods/f2d8e8f6-31c9-4b59-8d2b-18e96fd0f31f/volumes/kubernetes.iosecret/etcd-certs tmpfs rw,relatime,size=377021772k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/7a0a2452-ffba-4fad-ad77-172c96b8eb9d/volumes/kubernetes.iosecret/etcd-certs tmpfs rw,relatime,size=377021772k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/7a0a2452-ffba-4fad-ad77-172c96b8eb9d/volumes/kubernetes.ioprojected/kube-api-access-v59v9 tmpfs rw,relatime,size=377021772k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/07364d16-ebb2-468d-91d0-172f02d4ed52/volumes/kubernetes.ioprojected/kube-api-access-g5q46 tmpfs rw,relatime,size=262144k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/f2d8e8f6-31c9-4b59-8d2b-18e96fd0f31f/volumes/kubernetes.ioprojected/kube-api-access-t8wt6 tmpfs rw,relatime,size=377021772k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/85e445d4-ada9-4a97-87ad-475afc280983/volumes/kubernetes.ioprojected/kube-api-access-ns26p tmpfs rw,relatime,size=377021772k,inode64,noswap 0 0
    tmpfs /home/kubelet/pods/7ff5609f-e379-4e13-9184-1541d2197b59/volumes/kubernetes.ioprojected/kube-api-access-4s9bv tmpfs rw,relatime,size=262144k,inode64,noswap 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/0a7cec9f6c8fc14f1f0aafee02f78ee52feaa24a22108b31c4bdf1f56edaa9ad/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/8fdfce491f39aca8dd57b93bb46162c81981fb8f6a5574f6451cde4850d1d2b1/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/fa11952150de64783c234de2066f403e7155361bb75a497b62e8ba3943e27140/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/0a7cec9f6c8fc14f1f0aafee02f78ee52feaa24a22108b31c4bdf1f56edaa9ad/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/54/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/54/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/8fdfce491f39aca8dd57b93bb46162c81981fb8f6a5574f6451cde4850d1d2b1/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/55/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/55/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/fa11952150de64783c234de2066f403e7155361bb75a497b62e8ba3943e27140/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/56/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/56/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/98c78e21dad7b366d32e63cc0ccc643769a8301422456e628543caa81b71969e/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/4/fs:/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/3/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/58/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/58/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/6bccc208e3eeee651f6f1b0271e1dd79e213a4ac1fe011a30bd7f2e66b5c12ef/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/12/fs:/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/8/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/59/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/59/work,uuid=on,nouserxattr 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/b0c5472727c201ec19d3e49bd0de15ed2ea3a468cca5a42f1bbdf97f142d407c/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    nsfs /run/netns/cni-613d5f95-7957-0fb9-3dfb-22f6445eeea2 nsfs rw 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/534574b139b9ce35fa210a515d3c27a1e63b1756d0f161f6ff7437e232e3909c/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    nsfs /run/netns/cni-2c1d66e6-070d-fc61-aaed-4d69d113097f nsfs rw 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/b0c5472727c201ec19d3e49bd0de15ed2ea3a468cca5a42f1bbdf97f142d407c/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/60/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/60/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/534574b139b9ce35fa210a515d3c27a1e63b1756d0f161f6ff7437e232e3909c/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/62/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/62/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/6d4f3f01cbb1ce1713cfa9dbfc569e3ecd0a288e32e78ac32b865000e522bf44/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/18/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/64/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/64/work,uuid=on,nouserxattr 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/23b02aff80d5ad77cff6a42d863c2e4096811202fdef83634e093dfa77f767c8/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/18/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/63/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/63/work,uuid=on,nouserxattr 0 0
    none /run/calico/cgroup cgroup2 rw,relatime 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/0ee8e7271ed6572aa71fee7b553727301d0f15694d404d44ee9c5dadadb72fb3/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/14/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/67/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/67/work,uuid=on,nouserxattr 0 0
    lxcfs /var/lib/lxcfs fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
    tmpfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volumes/kubernetes.ioprojected/kube-api-access-td9nk tmpfs rw,relatime,size=2097152k,inode64,noswap 0 0
    shm /run/containerd/io.containerd.grpc.v1.cri/sandboxes/47b8d51d02766454949cea10831beab96ffd6ae83d83320eda02abe0af7a918b/shm tmpfs rw,nosuid,nodev,noexec,relatime,size=65536k,inode64 0 0
    nsfs /run/netns/cni-6f78748d-e8aa-4b6c-2ff0-896567e32482 nsfs rw 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/47b8d51d02766454949cea10831beab96ffd6ae83d83320eda02abe0af7a918b/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/1/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/72/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/72/work,uuid=on,nouserxattr 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/0 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/1 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/2 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/3 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/4 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/5 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    lxcfs /home/kubelet/pods/1d66f6c7-a96a-4eea-80ca-781a70c96498/volume-subpaths/lxc-proc/nginx/6 fuse.lxcfs rw,relatime,user_id=0,group_id=0,allow_other 0 0
    overlay /run/containerd/io.containerd.runtime.v2.task/k8s.io/302b44433ede7b44c827bf28529a751ac290beb1b1eba9f8a80e656aac6760ab/rootfs overlay rw,relatime,lowerdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/18/fs,upperdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/73/fs,workdir=/home/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/73/work,uuid=on,nouserxattr 0 0
    tmpfs /run/user/1000 tmpfs rw,nosuid,nodev,relatime,size=39484756k,nr_inodes=9871189,mode=700,uid=1000,gid=1000,inode64 0 0
  • root 18614 0.0 0.0 377472 1920 ? Ssl Nov04 0:00 /usr/bin/lxcfs /var/lib/lxcfs

Issue description

if a same requests cpu and limits cpu, the cpuinfo is exact, other is not.

Steps to reproduce

the pod yaml:
limits:
cpu: "4"
memory: 2Gi
requests:
cpu: "2"
memory: 1Gi

cpu info:
cat /proc/cpuinfo |grep processor|wc -l
44