LSSUBSYS(1) libcgroup Manual LSSUBSYS(1)
NAME
lssubsys - list hierarchies containing given subsystem
SYNOPSIS
lssubsys [-m|--mount-points] [-M|--all-mount-points] [controller] [...]
lssubsys [-m|--mount-points] [-M|--all-mount-points] [-i|--hierarchies] [-a|--all]
lssubsys [-h|--help]
DESCRIPTION
lssubsys list the hierarchies containing the given subsystem(s). If no subsystem is de-
fined, it displays all mounted hierarchies.
controller
defines the subsystem whose hierarchy is shown. If this parameter is not used, the
command will list all mounted subsystems.
-m, --mount-points
Display mount points. Only the first mount points of shown hierarchies are dis-
played.
-M, --all-mount-points
Display mount points. All mount points of shown hierarchies are displayed, each on
separate line.
-a, --all
Display all subsystems (including unmounted ones).
-i, --hierarchies
Display the attached hierarchy number if the subsystem is in a hierarchy. If the
option -m is also used, the hierarchy number is shown only for unmounted hierar-
chies.
-h, --help
Display help and exit.
EXAMPLE
The command lssubsys -am lists all subsystems which are present in the system, mounted
ones will be shown with their mount point:
$ lssubsys -am
ns
cpuset
cpu,devices
cpuacct /cgroup/cpuacct
memory /cgroup/memory
freezer /cgroup/freezer
net_cls /cgroup/net_cls
The command lssubsys -ami lists all subsystems which are present in the system, mounted
subsystems are listed with their mount points, unmounted ones which are in a hierarchy are
listed with their hierarchy number:
$ lssubsys -ami
ns
cpuset 5
cpu,devices 6
cpuacct /cgroup/cpuacct
memory /cgroup/memory
freezer /cgroup/freezer
net_cls /cgroup/net_cls
ENVIRONMENT VARIABLES
CGROUP_LOGLEVEL
controls verbosity of the tool. Allowed values are DEBUG, INFO, WARNING or ERROR.
SEE ALSO
lscgroup (1), cgcreate (1), cgdelete (1), cgconfig.conf (5)
Linux 2009-11-05 LSSUBSYS(1)
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