Authorizing an LPAR for CPU-measurement counter sets

Red Hat Enterprise Linux 8.6 LPAR mode

The LPAR within which the Linux® instance runs must be authorized to use the CPU-measurement counter sets. Use the HMC or SE to authorize the LPAR for teh counter sets you need.

About this task

The details of the steps in this task can differ, depending on your hardware. For more information, see the Support Element Operations Guide for your mainframe system.

Procedure

Perform these steps on the HMC or SE to grant authorizations:

  1. Navigate to the LPAR for which you want to grant authorizations.
  2. Within the LPAR profile, select the Security page.
  3. Within the counter facility options, select each counter set you want to use. The coprocessor group counter set is not supported by Linux on IBM® Z.
  4. Click Save.

What to do next

Deactivate, activate, and IPL the LPAR to make the authorization take effect. For more information, see the Support Element Operations Guide for your mainframe system.

When your Linux instance is available again, you can use the lscpumf command to confirm that the authorizations are in place.