Hi all
I have CentOS Linux release 7.0.1406, libvirt 1.2.7 installed.
Just after create and start inside LXC container present cgroups.
Example for memory:
[root@ce7-t1 /]# ls -la /sys/fs/cgroup/memory/
total 0
drwxr-xr-x 2 root root 0 Sep 15 17:14 .
drwxr-xr-x 12 root root 280 Sep 15 17:14 ..
-rw-r--r-- 1 root root 0 Sep 15 17:14 cgroup.clone_children
--w--w--w- 1 root root 0 Sep 15 17:14 cgroup.event_control
-rw-r--r-- 1 root root 0 Sep 15 17:15 cgroup.procs
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.failcnt
--w------- 1 root root 0 Sep 15 17:14 memory.force_empty
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.failcnt
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.limit_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.max_usage_in_bytes
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.slabinfo
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.tcp.failcnt
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.tcp.limit_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.tcp.max_usage_in_bytes
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.tcp.usage_in_bytes
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.kmem.usage_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.limit_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.max_usage_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.memsw.failcnt
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.memsw.limit_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.memsw.max_usage_in_bytes
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.memsw.usage_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.move_charge_at_immigrate
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.numa_stat
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.oom_control
---------- 1 root root 0 Sep 15 17:14 memory.pressure_level
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.soft_limit_in_bytes
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.stat
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.swappiness
-r--r--r-- 1 root root 0 Sep 15 17:14 memory.usage_in_bytes
-rw-r--r-- 1 root root 0 Sep 15 17:14 memory.use_hierarchy
-rw-r--r-- 1 root root 0 Sep 15 17:14 notify_on_release
-rw-r--r-- 1 root root 0 Sep 15 17:14 tasks
Command "free" inside LXC showed almost normal values:
[root@ce7-t1 /]# free
total used free shared buffers cached
Mem: 1048576 32972 1015604 4473848 0 -4445364
-/+ buffers/cache: 4478336 -3429760
Swap: 1048576 0 1048576
(some problem with negative values)
After unpredictable time passed (1-5 day ?), cgroups inside LXC
magicaly removed. "free" in such containers show 2^53-1 as maximum
values:
[root@puppet01 /]# free
total used free shared buffers cached
Mem: 9007199254740991 591180 9007199254149811 0
0 267924
-/+ buffers/cache: 323256 9007199254417735
Swap: 0 0 0
And no more any cgroups presented at least in memory category:
[root@puppet01 /]# ls -la /sys/fs/cgroup/memory/
total 0
b.r.
Maxim Kozin
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