Working with the CPU-measurement facilitiesEdit online You can use the perf tool to work with the CPU-measurement facilities for authorized LPARs. Authorizing an LPARThe LPAR within which the Linux® instance runs must be authorized to use the CPU-measurement counter sets or sampling modes. Use the HMC or SE to authorize the LPAR.Reading CPU-measurement countersUse the perf tool to read CPU-measurement counters.Collecting CPU-measurement sample dataUse the perf tool to read CPU-measurement sample data.Setting limits for the sampling facility bufferUse the chcpumf command to set the minimum and maximum buffer size for the CPU-measurement sampling facility.Obtaining details about the CPU-measurement facilitiesYou can obtain version information for the CPU-measurement counter and sampling facility and check which counter sets are authorized on your LPAR.Parent topic: Using the CPU-measurement facilities
