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Oracle® x86 Servers Diagnostics and Troubleshooting Guide

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Updated: January 2020

UEFI Command Resource Requirements

This section describes processor resource requirements and instance limitations that are documented for each UEFI Diagnostics command. The following table provides a description of processor attributes and instance attributes.

To see a detailed command description of a UEFI command resource requirement, on the Oracle ILOM serial link or KVM screen, at the prompt, type udiag main-command [subcommand] -hv.

Resource Requirement
A command runs on the boot strap processor (BSP) only. It must not be run on application processors (APs).
A command can run on the BSP or any one of the APs at a time.
A command can run on any APs or the BSP.
Only one instance of a command can be run at a time.
Two or more copies of a command can run simultaneously.