03 - Disable Perf, Profiling and Errata

Summary

This fragment disables performance monitoring infrastructure, profiling support, and ARM64 CPU errata workarounds, which are not necessary on known good hardware in production embedded systems.

Configuration breakdown

Performance events and profiling

CONFIG_PERF_EVENTS
CONFIG_PROFILING
  • Disables the performance monitoring infrastructure.

  • Disables profiling support.

Paravirtualization support

CONFIG_PARAVIRT
  • Disables paravirtualization support used in virtual machines.

ARM64 CPU errata

CONFIG_ARM64_ERRATUM_843419
CONFIG_ARM64_ERRATUM_845719
CONFIG_ARM64_ERRATUM_819472
CONFIG_ARM64_ERRATUM_832075
CONFIG_ARM64_ERRATUM_834220
CONFIG_ARM64_ERRATUM_1742098
  • Disables workaround for ARM64 erratum 843419.

  • Disables workaround for ARM64 erratum 845719.

  • Disables workaround for ARM64 erratum 819472.

  • Disables workaround for ARM64 erratum 832075.

  • Disables workaround for ARM64 erratum 834220.

  • Disables workaround for ARM64 erratum 1742098.

Where to find a cfg sample

03-Config-Disabled-Perf-Profiling-Errata.cfg