| Mathieu Desnoyers | 09caded | 2007-10-18 23:41:05 -0700 | [diff] [blame] | 1 | menuconfig INSTRUMENTATION |
| 2 | bool "Instrumentation Support" |
| 3 | default y |
| 4 | ---help--- |
| 5 | Say Y here to get to see options related to performance measurement, |
| 6 | system-wide debugging, and testing. This option alone does not add any |
| 7 | kernel code. |
| 8 | |
| 9 | If you say N, all options in this submenu will be skipped and |
| 10 | disabled. If you're trying to debug the kernel itself, go see the |
| 11 | Kernel Hacking menu. |
| 12 | |
| 13 | if INSTRUMENTATION |
| 14 | |
| 15 | config PROFILING |
| 16 | bool "Profiling support (EXPERIMENTAL)" |
| 17 | help |
| 18 | Say Y here to enable the extended profiling support mechanisms used |
| 19 | by profilers such as OProfile. |
| 20 | |
| 21 | config OPROFILE |
| 22 | tristate "OProfile system profiling (EXPERIMENTAL)" |
| Linus Torvalds | 3743d33 | 2007-12-06 09:41:12 -0800 | [diff] [blame] | 23 | depends on PROFILING && !UML |
| 24 | depends on ARCH_SUPPORTS_OPROFILE || ALPHA || ARM || BLACKFIN || IA64 || M32R || PARISC || PPC || S390 || SUPERH || SPARC |
| Mathieu Desnoyers | 09caded | 2007-10-18 23:41:05 -0700 | [diff] [blame] | 25 | help |
| 26 | OProfile is a profiling system capable of profiling the |
| 27 | whole system, include the kernel, kernel modules, libraries, |
| 28 | and applications. |
| 29 | |
| 30 | If unsure, say N. |
| 31 | |
| 32 | config KPROBES |
| 33 | bool "Kprobes" |
| Linus Torvalds | 3743d33 | 2007-12-06 09:41:12 -0800 | [diff] [blame] | 34 | depends on KALLSYMS && MODULES && !UML |
| 35 | depends on X86_32 || IA64 || PPC || S390 || SPARC64 || X86_64 || AVR32 |
| Mathieu Desnoyers | 09caded | 2007-10-18 23:41:05 -0700 | [diff] [blame] | 36 | help |
| 37 | Kprobes allows you to trap at almost any kernel address and |
| 38 | execute a callback function. register_kprobe() establishes |
| 39 | a probepoint and specifies the callback. Kprobes is useful |
| 40 | for kernel debugging, non-intrusive instrumentation and testing. |
| 41 | If in doubt, say "N". |
| 42 | |
| Mathieu Desnoyers | 8256e47 | 2007-10-18 23:41:06 -0700 | [diff] [blame] | 43 | config MARKERS |
| 44 | bool "Activate markers" |
| 45 | help |
| 46 | Place an empty function call at each marker site. Can be |
| 47 | dynamically changed for a probe function. |
| 48 | |
| Mathieu Desnoyers | 09caded | 2007-10-18 23:41:05 -0700 | [diff] [blame] | 49 | endif # INSTRUMENTATION |