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- # SPDX-License-Identifier: GPL-2.0
- menu "Kernel hacking"
- source "lib/Kconfig.debug"
- config GPROF
- bool "Enable gprof support"
- depends on DEBUG_INFO && FRAME_POINTER
- help
- This allows profiling of a User-Mode Linux kernel with the gprof
- utility.
- See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
- details.
- If you're involved in UML kernel development and want to use gprof,
- say Y. If you're unsure, say N.
- config GCOV
- bool "Enable gcov support"
- depends on DEBUG_INFO
- help
- This option allows developers to retrieve coverage data from a UML
- session.
- See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more
- details.
- If you're involved in UML kernel development and want to use gcov,
- say Y. If you're unsure, say N.
- config EARLY_PRINTK
- bool "Early printk"
- default y
- ---help---
- Write kernel log output directly to stdout.
- This is useful for kernel debugging when your machine crashes very
- early before the console code is initialized.
- endmenu
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