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epoll_ctl question



I was just stracing openshift as I was interested in what it was doing when running a couple of pods. I noticed these entries:

1006  openat(AT_FDCWD, "/rootfs/sys/fs/cgroup/cpu,cpuacct/kubepods.slice/kubepods-burstable.slice/kubepods-burstable-pod35ba26be_41cd_11e8_89c7_020010000011.slice/docker-21defa552e0fd961411e1ecd63d3726d19c874cbde02c40258e5f60183cd3b55.scope/cpu.shares", O_RDONLY|O_CLOEXEC) = 231

1006  epoll_ctl(4, EPOLL_CTL_ADD, 231, {EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, {u32=1023, u64=4396643372080}}) = -1 EPERM (Operation not permitted)


I was wondering if this is a kernel level or kernel configuration thing or just something that can be ignored?

Neale

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