| # SPDX-License-Identifier: GPL-2.0 | |
| 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 | |
| depends on !KCOV | |
| 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. |