Changes between Version 29 and Version 30 of TipAndDoc/Linux/LXC

Timestamp:

May 4, 2013 11:20:57 PM (12 years ago)

Author:

mitty

Comment:

--

TipAndDoc/Linux/LXC

@@ -20 +20 @@
  * [http://www.mail-archive.com/lxc-users@lists.sourceforge.net/msg03671.html Re: (Lxc-users) loop mount inside container]
  * [http://serverfault.com/questions/475922/mounting-a-network-file-system-inside-lxc-on-ubuntu-12-10 Mounting a network file system inside LXC on Ubuntu 12.10 - Server Fault]
-
- * github:vajtsz/munin-plugins
- > Plugin to monitor LXC
 
  * [http://sourceforge.net/tracker/?func=detail&atid=826303&aid=3595947&group_id=163076 SourceForge.net: Linux Containers: Detail: 3595947 - lxc-ip script to get IP addresses of the container]
@@ -512 +509 @@
 
  * [[Image(lxde.png,33%)]]
+
+ = munin plugin =
+ * github:vajtsz/munin-plugins
+
+ == lxc_proc ==
+ * github:vajtsz/munin-plugins/blob/6a426b4bde7addcaf42d72a033e713d0f11776c0/squeeze/lxc_proc
+  * Debian Squeezeと異なり、Ubuntu 12.04では{{{lxc-cgroup -t container_name tasks}}}が使えない
+
+ === Debian 6.0 ===
+ * http://wiki.debian.org/LXC
+ > Add this line to /etc/fstab
+ > {{{
+ > cgroup  /sys/fs/cgroup  cgroup  defaults  0   0
+ > }}}
+ > Try to mount it (a reboot solves an eventual "resource busy problem" in any case)
+ > {{{
+ > mount /sys/fs/cgroup
+ > }}}
+
+ * $ sudo lxc-start -d -n lxc-test
+ * $ ls -1F /sys/fs/cgroup/
+{{{
+cgroup.procs
+cpuacct.stat
+cpuacct.usage
+cpuacct.usage_percpu
+cpuset.cpu_exclusive
+cpuset.cpus
+cpuset.mem_exclusive
+cpuset.mem_hardwall
+cpuset.memory_migrate
+cpuset.memory_pressure
+cpuset.memory_pressure_enabled
+cpuset.memory_spread_page
+cpuset.memory_spread_slab
+cpuset.mems
+cpuset.sched_load_balance
+cpuset.sched_relax_domain_level
+cpu.shares
+devices.allow
+devices.deny
+devices.list
+lxc-test/
+net_cls.classid
+notify_on_release
+release_agent
+tasks
+}}}
+  * /sys/fs/cgroup/lxc-test/ も同じ構造
+ * $ sudo lxc-cgroup -n lxc-test tasks
+{{{
+1432
+1569
+1571
+1598
+}}}
+
+ === Ubuntu 12.04 ===
+ * Ubuntu 12.04 with {{{aptitude install -R lxc}}}
+  * cgroup関係のパッケージは{{{-R}}}をつけるとインストールされない
+
+
+ * Ubuntu 12.04 with /etc/fstab:{{{cgroup  /sys/fs/cgroup  cgroup  defaults  0   0}}}
+  * 起動時に自動でマウントされないため、{{{mount -a}}}する必要がある
+ * $ sudo mount -a
+ * $ ls -1F /sys/fs/cgroup/
+{{{
+blkio.io_merged
+blkio.io_queued
+blkio.io_service_bytes
+blkio.io_serviced
+blkio.io_service_time
+blkio.io_wait_time
+blkio.reset_stats
+blkio.sectors
+blkio.throttle.io_service_bytes
+blkio.throttle.io_serviced
+blkio.throttle.read_bps_device
+blkio.throttle.read_iops_device
+blkio.throttle.write_bps_device
+blkio.throttle.write_iops_device
+mitty@lein:~$ ls -1F /sys/fs/cgroup/
+blkio.io_merged
+blkio.io_queued
+blkio.io_service_bytes
+blkio.io_serviced
+blkio.io_service_time
+blkio.io_wait_time
+blkio.reset_stats
+blkio.sectors
+blkio.throttle.io_service_bytes
+blkio.throttle.io_serviced
+blkio.throttle.read_bps_device
+blkio.throttle.read_iops_device
+blkio.throttle.write_bps_device
+blkio.throttle.write_iops_device
+blkio.time
+blkio.weight
+blkio.weight_device
+cgroup.clone_children
+cgroup.event_control
+cgroup.procs
+cpuacct.stat
+cpuacct.usage
+cpuacct.usage_percpu
+cpu.cfs_period_us
+cpu.cfs_quota_us
+cpu.rt_period_us
+cpu.rt_runtime_us
+cpuset.cpu_exclusive
+cpuset.cpus
+cpuset.mem_exclusive
+cpuset.mem_hardwall
+cpuset.memory_migrate
+cpuset.memory_pressure
+cpuset.memory_pressure_enabled
+cpuset.memory_spread_page
+cpuset.memory_spread_slab
+cpuset.mems
+cpuset.sched_load_balance
+cpuset.sched_relax_domain_level
+cpu.shares
+cpu.stat
+devices.allow
+devices.deny
+devices.list
+lxc/
+memory.failcnt
+memory.force_empty
+memory.limit_in_bytes
+memory.max_usage_in_bytes
+memory.memsw.failcnt
+memory.memsw.limit_in_bytes
+memory.memsw.max_usage_in_bytes
+memory.memsw.usage_in_bytes
+memory.move_charge_at_immigrate
+memory.numa_stat
+memory.oom_control
+memory.soft_limit_in_bytes
+memory.stat
+memory.swappiness
+memory.usage_in_bytes
+memory.use_hierarchy
+notify_on_release
+release_agent
+tasks
+}}}
+  * /sys/fs/cgroup/lxc/, /sys/fs/cgroup/lxc/lxc-test/ も同じ構造
+ * $ sudo lxc-cgroup -n lxc-test tasks
+{{{
+lxc-cgroup: cgroup is not mounted
+lxc-cgroup: failed to retrieve value of 'tasks' for 'lxc-test'
+}}}
+ * $ cat /sys/fs/cgroup/lxc/lxc-test/tasks
+{{{
+2712
+2867
+2932
+2943
+2947
+2952
+2953
+2954
+2983
+3002
+3031
+3036
+3037
+3042
+3056
+3058
+}}}