| menu "Kernel hacking" | |
| source "lib/Kconfig.debug" | |
| config CMDLINE_ON_HOST | |
| bool "Show command line arguments on the host in TT mode" | |
| depends on MODE_TT | |
| default !DEBUG_INFO | |
| help | |
| This controls whether arguments in guest processes should be shown on | |
| the host's ps output. | |
| Enabling this option hinders debugging on some recent GDB versions | |
| (because GDB gets "confused" when we do an execvp()). So probably you | |
| should disable it. | |
| 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 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 |