iRules runtime calculator

Turn iRule timing statistics into real runtime, CPU cost per request, and maximum requests per second.

Networking

Prefer a spreadsheet? Download the branded, offline-ready workbook with the same four tables, live formulas, and a guided walkthrough: Download the calculator (.xlsx)

iRule timing output (from tmsh show ltm rule field-fmt)

CPU clock speed (MHz, from /proc/cpuinfo)

CPU cores

Cycles/Sec override (optional)

Leave blank to use cores x clock, exactly as the spreadsheet does. Enter a platform-specific figure to override it.

API endpointGEThttps://ronutz.com/api/v1/f5-irules-runtime-calculatorDocumented, not served. Opens the specification.

References

DevCentral — Generate the iRules Runtime Calculator Excel Spreadsheet with the Python SDK
DevCentral — Intermediate iRules: Evaluating Performance
F5 clouddocs — iRules timing command