RCTLADM(8) Maintenance Commands and Procedures RCTLADM(8)
NAME
rctladm - display or modify global state of system resource controls
SYNOPSIS
rctladm [
-lu] [
-e action] [
-d action] [
name...]
DESCRIPTION
The
rctladm command allows the examination and modification of active
resource controls on the running system. An instance of a resource
control is referred to as an
rctl. See
setrctl(2) for a description of an
rctl; see
resource_controls(7) for a list of the
rctls supported in the
current release of the Solaris operating system. Logging of
rctl violations can be activated or deactivated system-wide and active
rctls
(and their state) can be listed.
An
rctladm command without options is the equivalent of an
rctladm with
the
-l option. See the description of
-l below.
OPTIONS
The following options are supported:
-d action -e action Disable (
-d) or enable (
-e) the global action on the specified
rctls.
If no
rctl is specified, no action is taken and an error status is
returned. You can use the special token
all with the disable option
to deactivate all global actions on a resource control.
You can set the
syslog action to a specific degree by assigning a
severity level. To do this, specify
syslog=level, where
level is one
of the string tokens given as valid severity levels in
syslog(3C).
You can omit the common
LOG_ prefix on the severity level. Note that
not all
rctls support the
syslog action. See
resource_controls(7).
-l List information about
rctls. The name, global event actions and
statuses, and global flags are displayed. If one or more name
operands are specified, only those
rctls matching the names are
displayed.
-u Configure resource controls based on the contents of
/etc/rctladm.conf. Any name operands are ignored.
OPERANDS
The following operands are supported:
name The name of the
rctl to operate on. Multiple
rctl names can be
specified. If no names are specified, and the list action has been
specified, then all
rctls are listed. If the enable or disable action
is specified, one or more
rctl names must be specified.
EXAMPLES
Example 1: Activating System Logging for Specific Violations
The following command activates system logging of all violations of
task.max-lwps.
# rctladm -e syslog task.max-lwps
#
Example 2: Examining the Current Status of a Specific Resource
The following command examines the current status of the
task.max-lwps resource.
$ rctladm -l task.max-lwps
task.max-lwps syslog=DEBUG
$
EXIT STATUS
The following exit values are returned:
0 Successful completion.
1 A fatal error occurred. A message is written to standard error to
indicate each resource control for which the operation failed. The
operation was successful for any other resource controls specified as
operands.
2 Invalid command line options were specified.
FILES
/etc/rctladm.conf Each time
rctladm is executed, it updates the contents of
rctladm.conf with the current configuration.
SEE ALSO
prctl(1),
getrctl(2),
setrctl(2),
rctlblk_get_global_action(3C),
rctlblk_get_global_flags(3C),
attributes(7),
resource_controls(7)NOTES
By default, there is no global logging of
rctl violations.
July 2, 2007
RCTLADM(8)