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- config STM
- tristate "System Trace Module devices"
- select CONFIGFS_FS
- select SRCU
- help
- A System Trace Module (STM) is a device exporting data in System
- Trace Protocol (STP) format as defined by MIPI STP standards.
- Examples of such devices are Intel(R) Trace Hub and Coresight STM.
- Say Y here to enable System Trace Module device support.
- if STM
- config STM_DUMMY
- tristate "Dummy STM driver"
- help
- This is a simple dummy device that pretends to be an stm device
- and discards your data. Use for stm class testing.
- If you don't know what this is, say N.
- config STM_SOURCE_CONSOLE
- tristate "Kernel console over STM devices"
- help
- This is a kernel space trace source that sends kernel log
- messages to trace hosts over STM devices.
- If you want to send kernel console messages over STM devices,
- say Y.
- config STM_SOURCE_HEARTBEAT
- tristate "Heartbeat over STM devices"
- help
- This is a kernel space trace source that sends periodic
- heartbeat messages to trace hosts over STM devices. It is
- also useful for testing stm class drivers and the stm class
- framework itself.
- If you want to send heartbeat messages over STM devices,
- say Y.
- config STM_SOURCE_FTRACE
- tristate "Copy the output from kernel Ftrace to STM engine"
- depends on FUNCTION_TRACER
- help
- This option can be used to copy the output from kernel Ftrace
- to STM engine. Enabling this option will introduce a slight
- timing effect.
- If you want to send kernel Ftrace messages over STM devices,
- say Y.
- endif
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