AKRR is a tool used in XDMoD's Application Kernel Performance Monitoring Module.
Application Kernel Performance Monitoring Module of XDMoD tool is designed to measure quality of service as well as preemptively identify underperforming hardware and software by deploying customized, computationally lightweight “application kernels” that are run on a regular basis (daily to several times per week) to continuously monitor HPC system performance and reliability from the application users’ point of view. The term “computationally-lightweight” is used to indicate that the application kernel requires relatively modest resources for a given run frequency. Accordingly, through XDMoD, system managers have the ability to proactively monitor system performance as opposed to having to rely on users to report failures or underperforming hardware and software.