virsh cpu-stats command is not working in our platform :
virsh # cpu-stats test_vm
error: Failed to virDomainGetCPUStats()
error: Requested operation is not valid: cgroup CPUACCT controller is not mounted
It should show info like this.
$ virsh cpu-stats test_vm
CPU0:
cpu_time 0.025812184 seconds
vcpu_time 0.025812184 seconds
CPU1:
cpu_time 4.893484927 seconds
vcpu_time 4.893484927 seconds
Total:
cpu_time 4.924620941 seconds
user_time 1.060000000 seconds
system_time 3.050000000 seconds
We are suspecting some issue in virsh when it is trying to find to where that cgroups is mounted in a system (default in ubuntu is /sys/fs/cgroup/cpuset/libvirt/, but in our platform uses /dev/cgroup_xxx).
Find /proc/cgroups and /proc/mounts log below:
==================================
# cat /proc/cgroups
#subsys_name hierarchy num_cgroups enabled
cpuset 0 1 1
ns 0 1 1
cpu 1 3 1
cpuacct 0 1 1
memory 2 1 1
freezer 0 1 1
net_cls 0 1 1
blkio 0 1 1
# cat /proc/mounts
cpu /dev/cgroup_cpu cgroup rw,relatime,cpu 0 0
memory /dev/cgroup_mem cgroup rw,relatime,memory 0 0
Can you please help us in this regard to enable this command in our platform,
Thanks in advance !!!
Regards,
Anusha
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