kernel: add KERNEL_FTRACE_SYSCALLS option

Newer kernels propose to trace system calls, add an option to allow just
that.

Signed-off-by: Florian Fainelli <florian@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37146 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/Config.in b/Config.in
index ef6f1c6..b800fc6 100644 (file)
--- a/Config.in
+++ b/Config.in
@@ -230,6 +230,11 @@ menu "Global build settings"
                bool "Compile the kernel with tracing support"
                default n
 
+       config KERNEL_FTRACE_SYSCALLS
+               bool "Trace system calls"
+               depends on KERNEL_FTRACE
+               default n
+
        config KERNEL_ENABLE_DEFAULT_TRACERS
                bool "Trace process context switches and events"
                depends on KERNEL_FTRACE