lssubsys - Online in the Cloud

PROGRAM:

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
defined, 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
displayed.

-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
hierarchies.

-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.

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