CONFIG_FUNCTION_PROFILER: Kernel function profiler

General informations

The Linux kernel configuration item CONFIG_FUNCTION_PROFILER:

• prompt: Kernel function profiler
• type: bool
• depends on: CONFIG_FUNCTION_TRACER
• defined in kernel/trace/Kconfig
• found in Linux kernels: 2.6.31–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

This option enables the kernel function profiler. A file is created in debugfs called function_profile_enabled which defaults to zero. When a 1 is echoed into this file profiling begins, and when a zero is entered, profiling stops. A "functions" file is created in the trace_stat directory; this file shows the list of functions that have been hit and their counters.

If in doubt, say N.

Hardware

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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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