On 08/21/2013 03:55 AM, SHREE DUTH AWASTHI wrote: [putting your name in ALL CAPS looks like you are shouting] >> >> Hi All, >> >> Can you please guide us in solving this issue. >> >> Version used : libvirt-1.0.6 >> # rpm -qa | egrep "libvirt|qemu" >> qemu-kvm-0.14.1-1_WR4.3.x86_64_XXX.x86_64 >> libvirt-1.0.6-1_WR4.3.x86_64_XXX.2.x86_64 >> >> Problem : >> >> # virsh cpu-stats CLA-0 >> error: Failed to retrieve CPU statistics for domain 'CLA-0' >> *error: internal error error accessing cgroup cpuacct for vcpu* Are you sure cpuacct was mounted prior to libvirtd starting? >> >> Related info : >> >> # cat /proc/cgroups >> #subsys_name hierarchy num_cgroups enabled >> cpuset 3 4 1 >> ns 0 1 1 >> cpu 1 6 1 >> cpuacct 7 3 1 The fact that it has a rather high hierarchy number (7) makes me think you mounted it after the fact. >> >> We have also found that there is no "*cgroup*" directory created under * >> "/sys/fs/".* We have tried mounting the same manually using the below >> commands but we were not successful. Cgroups are typically mounted by systemd in newer systems, but the fact that you are trying to mount manually says that you aren't using systemd. Libvirt won't mount cgroups; it only uses what was mounted at the time it was started. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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