config: add an option to enable KPROBE

[openwrt/svn-archive/archive.git] / config / Config-kernel.in

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index 84711298a61b2a497ffc3388e5e0228c2fb2671d..cc8df5ae563f15404e2103b37a0c854c3d93ded6 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -127,6 +127,23 @@ config KERNEL_EARLY_PRINTK
          debugging purposes to send messages over the serial console in early boot.
          Enable this to debug early boot problems.
 
+config KERNEL_KPROBES
+       bool "Compile the kernel with kprobes support"
+       default n
+       select KERNEL_FTRACE
+       select KERNEL_PERF_EVENTS
+       help
+         Compiles the kernel with KPROBES support, which allows you to trap
+         at almost any kernel address and execute a callback function.
+         register_kprobe() establishes a probepoint and specifies the
+         callback. Kprobes is useful for kernel debugging, non-intrusive
+         instrumentation and testing.
+         If in doubt, say "N".
+
+config KERNEL_KPROBE_EVENT
+       bool
+       default y if KERNEL_KPROBES
+
 config KERNEL_AIO
        bool "Compile the kernel with asynchronous IO support"
        default n