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Power measurement and analysis are important aspects for optimizing the power consumption in High Performance Computing (HPC) systems. With the huge increase in the power consumption of HPC systems, it is important to compare systems with metrics based on performance per watt. There are various hardware and software based power measurement techniques available for HPC systems. But, it's a complex task to accurately measure and analyze the power consumption of entire HPC nodes in real time. Hence, we have used hardware based power measurement technique with MultiAgent based framework for analyzing power in HPC systems at real time. We clearly demonstrated the power consumed while running the various workloads such as High Performance Linpack (HPL) and NAS Parallel Benchmarks (NPB).