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CONFIG_CORESIGHT_SOURCE_ETM4X: CoreSight Embedded Trace Macrocell 4.x driver

General informations

The Linux kernel configuration item CONFIG_CORESIGHT_SOURCE_ETM4X:

• prompt: CoreSight Embedded Trace Macrocell 4.x driver
• type: bool
• depends on: CONFIG_ARM64
• defined in drivers/hwtracing/coresight/Kconfig
• found in Linux kernels: 4.2–4.20, 5.0-rc+HEAD

Help text

This driver provides support for the ETM4.x tracer module, tracing the instructions that a processor is executing. This is primarily useful for instruction level tracing. Depending on the implemented version data tracing may also be available.

Hardware

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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