Important Notes on usage of lparstat -E 1 and mpstat -E 1: Below is the syntax and an example showing how to use the command Syntax: mpstat -E interval Ġ 0.0004 0.9993 3.5GHz 0.9993 Mpstat -E 1 presents per-virtual CPU statistics. System configuration: type=Dedicated mode=Capped smt=8 lcpu=8 mem=4096MB Power=Maximum Performance Below is the syntax and an example showing how to use the command. Lparstat -E 1 presents LPAR level statistics. The two commands are introduced below followed by important notes on how to properly use the commands and how they determine the processor frequency. The commands calculate the current running processor frequency averaged over a time interval. The recommended method for monitoring processor frequency from AIX is to use the lparstat -E 1 or mpstat -E 1 command. This article shows you how to monitor processor frequency and query the system from the AIX command line to determine processor power and performance mode information such as the minimum, static, and maximum processor frequencies and more. Support for EnergyScale extends up through the AIX operating system. Uses serial memory attachment via OMI, an evolution from the Centaur.IBM ® Power TM servers include EnergyScale TM technology that allows administrators to understand and control the power and cooling usage within the system. Axoneīranded POWER9′ ("POWER9 Prime"), also known as POWER9 with Advanced I/O. ![]() Little is known about Cumulus chips at this time as Scale Up chips, they will trade some I/O bandwidth for support for more than two sockets. These part numbers are printed on the surface of the CPU module and can be used to determine the type of the CPU. Part numbers for different POWER9 Sforza SKUs can be found on page 58 of the datasheet. LaGrange modules offer increased XBus bandwidth between processor sockets and are used by the Google/Rackspace Zaius motherboard used in the Barreleye G2 system. Monza modules offer the most OpenCAPI/NVLink bandwidth and are used in IBM's AC922 (Witherspoon) systems, such as those used by the Sierra and Summit supercomputers. Sforza is the most flexible of these packages, providing PCIe 4.0 lanes as the main I/O resource, and is what Talos™ II uses for maximal similarity to existing desktop, workstation, and server systems. Each module uses the same silicon mask but is packaged differently, exposing different I/O functionality to the host platform, allowing purpose-built systems to be constructed in addition to more general-purpose computers. Nimbus chips are available in three different modules: Sforza, Monza, and LaGrange. XBUS is used for inter-processor communication on dual-socket system Nimbus DD 2.3 parts are sold by RCS as "POWER9 v2".
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