STOP TRACE on z/OS

• ¹ Valid only on z/OS when the queue manager is a member of a queue-sharing group.

Parameter descriptions for STOP TRACE

Each option that we use limits the effect of the command to active traces that were started using the same option, either explicitly or by default, with exactly the same parameter values.

You must specify a trace type or an asterisk. STOP TRACE(*) stops all active traces.

ACCTG

Accounting data (the synonym is A) Note: Accounting data can be lost if the accounting trace is started or stopped while applications are running. For information about the conditions that must be satisfied for successful collection of accounting data, see Use IBM MQ trace.

CHINIT

Service data from the channel initiator. The synonym is CHI or DQM.

If the only trace running on the CHINIT is the one started automatically when the CHINIT was started, that tracing can be stopped only by explicitly stating the TNO for the default CHINIT trace (0). For example: STOP TRACE(CHINIT) TNO(0)

GLOBAL

Service data from the entire queue manager except for the channel initiator. The synonym is G.

STAT

Statistical data (the synonym is S)

*

All active traces

CMDSCOPE

This parameter specifies how the command runs when the queue manager is a member of a queue sharing group. CMDSCOPE cannot be used for commands issued from the first initialization input data set CSQINP1.

' '

The command runs on the queue manager on which it was entered. This is the default value.

qmgr-name

The command runs on the queue manager you specify, providing the queue manager is active within the queue sharing group.

We can specify a queue manager name, other than the queue manager on which the command was entered, only if you are using a queue sharing group environment and if the command server is enabled.

COMMENT( string )

Specifies a comment that is reproduced in the trace output record (except in the resident trace tables), and can be used to record why the command was issued.

string is any character string. It must be enclosed in single quotation marks if it includes a blank, comma, or special character.

Destination block

DEST

Limits the action to traces started for particular destinations. More than one value can be specified, but do not use the same value twice. If no value is specified, the list is not limited. Possible values and their meanings are:

GTF

The Generalized Trace Facility

RES

A wrap-around table residing in the ECSA

SMF

The System Management Facility

SRV

A serviceability routine designed for problem diagnosis

Constraint block

CLASS( integer )

Limits the command to traces started for particular classes. See the START TRACE command for a list of allowed classes. A range of classes can be specified as m:n (for example, CLASS(01:03)). We cannot specify a class if you did not specify a trace type.

The default is CLASS(*), which does not limit the command.

RMID( integer )

Limits the command to traces started for particular resource managers. See the START TRACE command for a list of allowed resource manager identifiers.

Do not use this option with the STAT, ACCTG, or CHINIT trace type.

The default is RMID(*), which does not limit the command.

TNO( integer )

Limits the command to particular traces, identified by their trace number (0 to 32). Up to 8 trace numbers can be used. If more than one number is used, only one value for USERID can be used.

0 is the trace that the channel initiator can start automatically. Traces 1 to 32 are those for queue manager or the channel initiator that can be started automatically by the queue manager, or manually, using the START TRACE command.

The default is TNO(*), which applies the command to all active traces with numbers 1 to 32, but not to the 0 trace. We can stop trace number 0 only be specifying it explicitly.

USERID( string )

Limits the action of the STOP TRACE to traces started for particular user ID. Up to 8 user IDs can be used. If more than one user ID is used, only one value can be used for TNO. Do not use this option with the STAT, ACCTG, or CHINIT trace type.

The default is USERID(*), which does not limit the command.