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- 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 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
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