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 DEBUG_STACK_USAGE bool "Stack utilization instrumentation" default N help Track the maximum kernel stack usage - this will look at each kernel stack at process exit and log it if it's the deepest stack seen so far. This option will slow down process creation and destruction somewhat. endmenu