Hi Daniel, On Fri, Mar 6, 2009 at 11:28 PM, Daniel P. Berrange <berrange@xxxxxxxxxx> wrote: > On Fri, Mar 06, 2009 at 02:27:04PM +0100, Daniel Veillard wrote: >> On Thu, Mar 05, 2009 at 02:34:48AM +0900, Ryota Ozaki wrote: >> > Hi, >> > >> > This patch enables to get CPU usage of a lxc using cpuacct subsystem >> > of cgroups. >> >> Looks cool, what kernel version is required to make use of this ? >> The kernel patch seems to be from last december, but I'm not sure. >> I would just prefer to make sure it's in a released kernel version >> before applying the patch here :-) > > It is in 2.6.27 because I can see it there on my Fedora 9 box after > doing > > # mount -t cgroup none /mnt/cg > # ls /mnt/cg > cpuacct.usage cpuset.memory_pressure_enabled devices.deny > cpuset.cpu_exclusive cpuset.memory_spread_page devices.list > cpuset.cpus cpuset.memory_spread_slab notify_on_release > cpuset.mem_exclusive cpuset.mems release_agent > cpuset.mem_hardwall cpuset.sched_load_balance tasks > cpuset.memory_migrate cpuset.sched_relax_domain_level > cpuset.memory_pressure devices.allow > > > The Linux kernel support for containers is still incomplete, so I don't > think it is worth fixing on a long term minimum kernel version for LXC > just yet. We still need the PTS filesystem virtualization before you can > consider LXC a reasonably secure container and I don't think that's > until 2.6.30. 2.6.29 will include 'devpts multiple instances' feature so I hope LXC in the next released kernel will be secure enough. I'm missing anything? Thanks, ozaki-r > > Daniel > -- > |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| > |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| > |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| > |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| > -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list