This article describes how to collect performance statistics from virtual servers and services of ADC.
You can collect historical performance statistics of the virtual servers and associated services from the archived newnslog files in the /var/nslog directory. The newnslog files are interpreted using the executable /netscaler/nsconmsg.
Refer to Citrix Documentation for detailed information : https://docs.citrix.com/en-us/citrix-adc/13/system/troubleshooting-citrix-adc/how-to-collect-performance-statistics-and-event-logs.html