| 1 | menu "Kernel hacking" |
| 2 | |
| 3 | source "lib/Kconfig.debug" |
| 4 | |
| 5 | config GPROF |
| 6 | bool "Enable gprof support" |
| 7 | depends on DEBUG_INFO && FRAME_POINTER |
| 8 | help |
| 9 | This allows profiling of a User-Mode Linux kernel with the gprof |
| 10 | utility. |
| 11 | |
| 12 | See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more |
| 13 | details. |
| 14 | |
| 15 | If you're involved in UML kernel development and want to use gprof, |
| 16 | say Y. If you're unsure, say N. |
| 17 | |
| 18 | config GCOV |
| 19 | bool "Enable gcov support" |
| 20 | depends on DEBUG_INFO |
| 21 | help |
| 22 | This option allows developers to retrieve coverage data from a UML |
| 23 | session. |
| 24 | |
| 25 | See <http://user-mode-linux.sourceforge.net/old/gprof.html> for more |
| 26 | details. |
| 27 | |
| 28 | If you're involved in UML kernel development and want to use gcov, |
| 29 | say Y. If you're unsure, say N. |
| 30 | |
| 31 | config EARLY_PRINTK |
| 32 | bool "Early printk" |
| 33 | default y |
| 34 | ---help--- |
| 35 | Write kernel log output directly to stdout. |
| 36 | |
| 37 | This is useful for kernel debugging when your machine crashes very |
| 38 | early before the console code is initialized. |
| 39 | |
| 40 | endmenu |