CONFIG_CORESIGHT_SOURCE_ETM4X: CoreSight ETMv4.x / ETE driver

General informations

The Linux kernel configuration item CONFIG_CORESIGHT_SOURCE_ETM4X has multiple definitions:

CoreSight ETMv4.x / ETE driver found in drivers/hwtracing/coresight/Kconfig

The configuration item CONFIG_CORESIGHT_SOURCE_ETM4X:

• prompt: CoreSight ETMv4.x / ETE driver
• type: tristate
• depends on: CONFIG_ARM64
• defined in drivers/hwtracing/coresight/Kconfig
• found in Linux kernels: 5.13–5.18, 5.19-rc+HEAD
• modules built: coresight-etm4x

Help text

This driver provides support for the CoreSight Embedded Trace Macrocell version 4.x and the Embedded Trace Extensions (ETE). Both are CPU tracer modules, tracing the instructions that a processor is executing. This is primarily useful for instruction level tracing.

To compile this driver as a module, choose M here: the module will be called coresight-etm4x.

CoreSight Embedded Trace Macrocell 4.x driver found in drivers/hwtracing/coresight/Kconfig

The configuration item CONFIG_CORESIGHT_SOURCE_ETM4X:

• prompt: CoreSight Embedded Trace Macrocell 4.x driver
• type: tristate
• depends on: CONFIG_ARM64
• defined in drivers/hwtracing/coresight/Kconfig
• found in Linux kernels: 5.10–5.12
• modules built: coresight-etm4x

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.

To compile this driver as a module, choose M here: the module will be called coresight-etm4x.

CoreSight Embedded Trace Macrocell 4.x driver found in drivers/hwtracing/coresight/Kconfig

The 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, 5.0–5.9
• modules built: coresight-etm4x

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

LKDDb

Raw data from LKDDb:

• lkddb module coresight-etm4x CONFIG_CORESIGHT_SOURCE_ETM4X : drivers/hwtracing/coresight/Kconfig : "CoreSight ETMv4.x / ETE driver" # in 5.10–5.18, 5.19-rc+HEAD
• lkddb of "" "" "arm,coresight-etm4x-sysreg" : CONFIG_CORESIGHT CONFIG_CORESIGHT_SOURCE_ETM4X : drivers/hwtracing/coresight/coresight-etm4x-core.c # in 5.12–5.18, 5.19-rc+HEAD
• lkddb of "" "" "arm,embedded-trace-extension" : CONFIG_CORESIGHT CONFIG_CORESIGHT_SOURCE_ETM4X : drivers/hwtracing/coresight/coresight-etm4x-core.c # in 5.13–5.18, 5.19-rc+HEAD
• lkddb platform "coresight-etm4x" : CONFIG_CORESIGHT CONFIG_CORESIGHT_SOURCE_ETM4X : drivers/hwtracing/coresight/coresight-etm4x-core.c # in 5.12–5.18, 5.19-rc+HEAD

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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