98 lines
2.2 KiB
Groff
98 lines
2.2 KiB
Groff
.\" Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
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.\" Written by Ivana Hutarova Varekova <varekova@redhat.com>
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.TH LSSUBSYS 1 2009-11-05 "Linux" "libcgroup Manual"
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.SH NAME
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lssubsys \- list hierarchies containing given subsystem
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.SH SYNOPSIS
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\fBlssubsys\fR [\fB-m|--mount-points\fR] [\fB-M|--all-mount-points\fR]
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[\fIcontroller\fR] [...]
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.br
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\fBlssubsys\fR [\fB-m|--mount-points\fR] [\fB-M|--all-mount-points\fR]
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[\fB-i|--hierarchies\fR] [\fB-a|--all\fR]
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.br
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\fBlssubsys\fR [\fB-h|--help\fR]
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.SH DESCRIPTION
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\fBlssubsys\fR list the hierarchies containing
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the given subsystem(s). If no subsystem is defined, it
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displays all mounted hierarchies.
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.TP
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.B controller
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defines the subsystem whose hierarchy is shown.
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If this parameter is not used, the command will
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list all mounted subsystems.
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.TP
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.B -m, --mount-points
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Display mount points. Only the first mount points of shown hierarchies are displayed.
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.TP
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.B -M, --all-mount-points
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Display mount points. All mount points of shown hierarchies are displayed, each on
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separate line.
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.TP
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.B -a, --all
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Display all subsystems (including unmounted ones).
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.TP
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.B -i, --hierarchies
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Display the attached hierarchy number if the subsystem is in a hierarchy.
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If the option
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.B -m
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is also used, the hierarchy number is shown only for unmounted hierarchies.
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.TP
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.B -h, --help
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Display help and exit.
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.SH EXAMPLE
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The command
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.B lssubsys -am
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lists all subsystems which are present in the system,
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mounted ones will be shown with their mount point:
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.RS
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.nf
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$ lssubsys -am
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ns
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cpuset
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cpu,devices
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cpuacct /cgroup/cpuacct
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memory /cgroup/memory
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freezer /cgroup/freezer
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net_cls /cgroup/net_cls
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.fi
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.RE
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.LP
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The command
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.B lssubsys -ami
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lists all subsystems which are present in the system,
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mounted subsystems are listed with their mount points,
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unmounted ones which are in a hierarchy are listed with their hierarchy number:
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.RS
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.nf
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$ lssubsys -ami
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ns
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cpuset 5
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cpu,devices 6
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cpuacct /cgroup/cpuacct
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memory /cgroup/memory
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freezer /cgroup/freezer
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net_cls /cgroup/net_cls
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.fi
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.SH ENVIRONMENT VARIABLES
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.TP
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.B CGROUP_LOGLEVEL
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controls verbosity of the tool. Allowed values are \fBDEBUG\fR,
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\fBINFO\fR, \fBWARNING\fR or \fBERROR\fR.
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.RE
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.SH SEE ALSO
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lscgroup (1), cgcreate (1), cgdelete (1),
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cgconfig.conf (5)
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