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Commands Reference, Volume 5
traceson Command
Purpose
Turns on tracing of a subsystem,
a group of subsystems, or a subserver.
Syntax
Subsystem
traceson [ -h Host] [ -l] { -g Group | -p SubsystemPID| -s Subsystem}
Subserver
traceson [ -h Host] [ -l] -t Type [ -o Object] [ -p SubsystemPID] [ -P SubserverPID]
Description
The traceson command sends the
System Resource Controller a subsystem request packet that is forwarded to
the subsystem to turn tracing on. Tracing is unsuccessful if the communication
method for the subsystems is signals.
Note: Tracing is subsystem
dependent.
Tracing may occur in either short
or long form. When the -l
flag is absent, the trace request is assumed to be a short trace.
Flags
-g Group |
Specifies a group of subsystems to turn tracing on. The command is
unsuccessful if the Group name is not contained in
the subsystem object class. |
-h Host |
Specifies the foreign host on which this trace action is requested.
The local user must be running as "root". The remote system must be configured
to accept remote System Resource Controller requests. That is, the srcmstr daemon (see /etc/inittab) must be started
with the -r flag and the /etc/hosts.equiv or .rhosts file must be configured to allow remote
requests. |
-l |
Specifies that a long trace is requested. |
-o Object |
Specifies that a subserver object is to be passed to the subsystem
as a character string. |
-p SubsystemPID |
Specifies a particular instance of the subsystem to turn tracing
on, or a particular instance of the subsystem to which the trace subserver
request is to be passed. |
-P SubserverPID |
Specifies that a subserver PID is to be passed to the subsystem as
a character string. |
-s Subsystem |
Specifies the subsystem to turn tracing on. The Subsystem name can be either the actual subsystem name or the synonym
name for the subsystem. The command is unsuccessful if the Subsystem name is not contained in the subsystem object class. |
-t Type |
Specifies a subserver to turn tracing on. The command is unsuccessful
if the Type is not contained in the subserver object
class. |
Examples
To turn on tracing of the tcpip subsystem on a foreign host, enter:
traceson -h odin -s tcpip
This turns on the tracing for the tcpip subsystem on the odin foreign host.
Files
/usr/bin/traceson |
Contains the traceson command. |
/etc/objrepos/SRCsubsys |
Specifies the SRC Subsystem Configuration Object Class. |
/etc/objrepos/SRCsubsvr |
Specifies the SRC Subserver Configuration Object Class. |
/etc/services |
Defines the sockets and protocols used for Internet services. |
/dev/SRC |
Specifies the AF_UNIX socket file. |
/dev/.SRC-unix |
Specifies the location for temporary socket files. |
Related Information
The tracesoff command.
The System Resource Controller
Overview in AIX 5L Version 5.2 System Management Concepts: Operating System and Devices gives an explanation of subsystems, subservers,
and the System Resource Controller.
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