https://www.ibm.com/docs/en/ibm-mq/9.3.x?topic=mcr-reset-qstats-report-reset-queue-performance-data-zos
RESET QSTATS (report and reset queue performance data) on z/OS
Use the MQSC command RESET QSTATS to report performance data for a queue and then to reset that data.
performance dataresetreportqueuez