Sorry , please ignore my message I used the wrong mailing-list!
-----Original Message-----
From: EL FATHI Youssef OBS/OINIS
Sent: Monday, February 27, 2017 14:40
To: '[email protected]'
Subject: Redhat 7: cgroup CPUACCT controller is not mounted
Hi,
With a non-root user account, I am launching virtual machines and would like to
get CPU stats for each Core (using python API or not) but face the following
problem:
- When I issue the command "virsh --readonly cpu-stats MY_DOMAIN" I got the
following error:
error: Failed to retrieve CPU statistics for domain 'MY_DOMAIN'
error: Requested operation is not valid: cgroup CPUACCT controller is not
mounted
- I checked that cgroup is well mounted:
$ cat /proc/mounts | grep cgroup
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755 0 0 cgroup
/sys/fs/cgroup/systemd cgroup
rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd
0 0 cgroup /sys/fs/cgroup/devices cgroup
rw,nosuid,nodev,noexec,relatime,devices 0 0 cgroup /sys/fs/cgroup/hugetlb
cgroup rw,nosuid,nodev,noexec,relatime,hugetlb 0 0 cgroup /sys/fs/cgroup/pids
cgroup rw,nosuid,nodev,noexec,relatime,pids 0 0 cgroup /sys/fs/cgroup/freezer
cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0 cgroup /sys/fs/cgroup/cpuset
cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0 cgroup
/sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpuacct,cpu 0
0 cgroup /sys/fs/cgroup/net_cls,net_prio cgroup
rw,nosuid,nodev,noexec,relatime,net_prio,net_cls 0 0 cgroup
/sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/memory cgr!
oup rw,nosuid,nodev,noexec,relatime,memory 0 0
$ cat /proc/cgroups
#subsys_name hierarchy num_cgroups enabled
cpuset 6 1 1
cpu 7 1 1
cpuacct 7 1 1
memory 11 1 1
devices 2 1 1
freezer 5 1 1
net_cls 8 1 1
blkio 10 1 1
perf_event 9 1 1
hugetlb 3 1 1
pids 4 1 1
net_prio 8 1 1
- I checked the system-cgtop but don't have no CPU info for my VMs (first line
starting with /):
Path
Tasks %CPU Memory Input/s Output/s
/
332 808.0 21.3G - -
/system.slice/auditd.service
1 - - - -
/system.slice/crond.service
1 - - - -
/system.slice/dbus.service
1 - - - -
/system.slice/gssproxy.service
1 - - - -
/system.slice/irqbalance.service
1 - - - -
/system.slice/ksmtuned.service
2 - - - -
/system.slice/libvirtd.service
1 - - - -
/system.slice/lvm2-lvmetad.service
1 - - - -
/system.slice/polkit.service
1 - - - -
/system.slice/rhnsd.service
1 - - - -
/system.slice/rhsmcertd.service
1 - - - -
/system.slice/rsyslog.service
1 - - - -
/system.slice/sshd.service
1 - - - -
/system.slice/system-getty.slice/[email protected]
1 - - - -
/system.slice/systemd-journald.service
1 - - - -
/system.slice/systemd-logind.service
1 - - - -
/system.slice/systemd-udevd.service
1 - - - -
/system.slice/tuned.service
1 - - - -
/user.slice/user-3972.slice/session-15191.scope
3 - - - -
/user.slice/user-3972.slice/session-16005.scope
4 - - - -
/user.slice/user-3972.slice/session-16019.scope
10 - - - -
Thanks by advance for your help!
Regards,
Youssef
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