TPDC Manual (G06.24+)

Table Of Contents
Using the SPAM Performance Data Charts and
Reports
Tandem Performance Data Collector (TPDC) Manual526357-001
5-22
Disc File Overview (Alphabetic) (DFOATBL)
Physical I/Os per second
Cache hit percentage
Percentage of logical requests that encountered record or file locks
Average milliseconds per logical I/O
This chart uses the GLOBINFO, DOPENSUM, and FILESUM entities.
Parameters used are:
LID—specifies the Measure Load ID
EXCLUDE—specifies a value under which to exclude the number of requests per
second
SECTION—specifies the report section number
The chart is sorted in descending order of system I/Os (driver calls).