kernel: enable perf events when enabling profiling, fixes oprofile on arm

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33497 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 5 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index 36ca48881..e5b3346fe 100644
--- a/Config.in
+++ b/Config.in
@@ -193,9 +193,14 @@ menu "Global build settings"
 		  debugging files into. Enable this option to be able to read and
 		  write to these files.
 
+	config KERNEL_PERF_EVENTS
+		bool
+		default n
+
 	config KERNEL_PROFILING
 		bool "Compile the kernel with profiling enabled"
 		default n
+		select KERNEL_PERF_EVENTS
 		help
 		  Enable the extended profiling support mechanisms used by profilers such
 		  as OProfile.