This report shows how much DASD or TAPE I/O time was measured for each file that was open during the observation session. The quantification is based on the number of samples activity on the file was observed. This is expressed as a percentage of the total number of samples.
Two types of detail line are shown:
Initially, only the DDNAME lines are visible. You can expand a DDNAME line (using the "+" line command) to reveal its subordinate Cylinder Address lines.
A sample report is shown here, it has been fully expanded:
File View Navigate Help -------------------------------------------------------------------------------- D02: DASD Usage Time by DDNAME (0618/TSTJOB01) Row 00001 of 00006 Command ===> __________________________________________________ Scroll ===> CSR DDNAME>Cyl Volume>Unit Percent of Time * 10.00% ±2.2% *....1....2....3....4....5....6....7....8.. VSAM1-02 BKNSM2 8.90 ===== -> Cyl_00BA 0A93-3390 8.85 ===== -> Cyl_0007 0A93-3390 0.05 INFILE BKNSM1 1.25 == -> Cyl_0086 0A92-3390 1.25 ==
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