1menu "Kernel hacking" 2 3source "lib/Kconfig.debug" 4 5config GPROF 6 bool "Enable gprof support" 7 depends on DEBUG_INFO 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/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 18config 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/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 31config DEBUG_STACK_USAGE 32 bool "Stack utilization instrumentation" 33 default N 34 help 35 Track the maximum kernel stack usage - this will look at each 36 kernel stack at process exit and log it if it's the deepest 37 stack seen so far. 38 39 This option will slow down process creation and destruction somewhat. 40endmenu 41