The File Usage Summary report can be requested from a Report Set in the CICS PA dialog. Select the File Usage Summary report in the Transaction Resource Usage Reports category.
In batch, the RESUSAGE command is used to request the File Usage Summary report.
CICSPA RESUsage
CICSPA RESUSAGE(TRANSUMM(FILE), Transaction File Usage Summary
FILESUMM( File Usage Summary
BYTRAN, - break down by Transaction ID
TOTAL)) - include transaction totals
CICSPA RESUSAGE(
[OUTPUT(ddname),]
[TRANSUMMARY(FILE),]
[FILESUMMARY(BYTRAN,TOTAL),]
[LINECOUNT(nnn),]
[TITLE1('...sub-heading left ...'),]
[TITLE2('...sub-heading right...'),]
[SELECT(PERFORMANCE(INCLUDE|EXCLUDE(field1(value1),...),...))])