CONFIG_FUNCTION_GRAPH_RETVAL: Kernel Function Graph Return Value

General informations

The Linux kernel configuration item CONFIG_FUNCTION_GRAPH_RETVAL:

• prompt: Kernel Function Graph Return Value
• type: bool
• depends on: ( CONFIG_HAVE_FUNCTION_GRAPH_RETVAL ) && ( CONFIG_FUNCTION_GRAPH_TRACER )
• defined in kernel/trace/Kconfig
• found in Linux kernels: 6.5–6.12

Help text

Support recording and printing the function return value when using function graph tracer. It can be helpful to locate functions that return errors. This feature is off by default, and you can enable it via the trace option funcgraph-retval. See Documentation/trace/ftrace.rst

Hardware

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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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