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+menu "Kernel hacking"
+
+source "lib/Kconfig.debug"
+
+config FRAME_POINTER
+ bool
+ default y if DEBUG_INFO
+
+config PT_PROXY
+ bool "Enable ptrace proxy"
+ depends on XTERM_CHAN && DEBUG_INFO && MODE_TT
+ help
+ This option enables a debugging interface which allows gdb to debug
+ the kernel without needing to actually attach to kernel threads.
+ If you want to do kernel debugging, say Y here; otherwise say N.
+
+config GPROF
+ bool "Enable gprof support"
+ depends on DEBUG_INFO && MODE_SKAS && !MODE_TT
+ help
+ This allows profiling of a User-Mode Linux kernel with the gprof
+ utility.
+
+ See <http://user-mode-linux.sourceforge.net/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 && MODE_SKAS
+ help
+ This option allows developers to retrieve coverage data from a UML
+ session.
+
+ See <http://user-mode-linux.sourceforge.net/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 SYSCALL_DEBUG
+ bool "Enable system call debugging"
+ default N
+ depends on DEBUG_INFO
+ help
+ This adds some system debugging to UML, including keeping a ring buffer
+ with recent system calls and some global and per-task statistics.
+
+ If unsure, say N
+
+endmenu