CONFIG_ARM64_BRBE: Enable support for branch stack sampling using FEAT_BRBE

General informations

The Linux kernel configuration item CONFIG_ARM64_BRBE:

• prompt: Enable support for branch stack sampling using FEAT_BRBE
• type: bool
• depends on: CONFIG_ARM_PMUV3 && CONFIG_ARM64
• defined in drivers/perf/Kconfig
• found in Linux kernels: 6.17-rc+HEAD

Help text

Enable perf support for Branch Record Buffer Extension (BRBE) which records all branches taken in an execution path. This supports some branch types and privilege based filtering. It captures additional relevant information such as cycle count, misprediction and branch type, branch privilege level etc.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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