z/OS MVS Planning: Global Resource Serialization
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Setting up the monitor

z/OS MVS Planning: Global Resource Serialization
SA23-1389-00

Use the following steps to set up the monitor tool.

  1. Prepare the JCL to start the monitor. Sample JCL is ISGRUNAU in SYS1.SAMPLIB.
  2. The ENQ Monitor supports the usage of one or two sequential data sets with required attributes BLKSIZE=3892,LRECL=3892 RECFM=F to collect the ENQ/DEQ data.
  3. The data set names will be on the DD statements OUTPUT1 and OUTPUT2 in the JCL to start the monitor. Each block has room for 30 ENQ/DEQ SVCs. If the monitor collects 100 events per second, 12,000 blocks will be filled in one hour. One or both output data sets can be DUMMY. See Monitor execution for additional information.
  4. Allocate a data set used by the reports procedures with space allocation of TRK=(1,1), RECFM=FB, LRECL=132, BLKSIZE=18348 for DDNAME LOGR. The data set name is a variable in the reports procedures. See Logs and Figure 3.
  5. Prepare the report procedures from the sample members ISGAJE1, ISGAJE1A, ISGAJE2, ISGAJE2A, ISGAJE3 and ISGAJE3A.
All the sample JCL is in SYS1.SAMPLIB, or see

For the procedure variables see In-stream procedures variables.

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