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

diff --git a/Config.in b/Config.in
index 36ca488..e5b3346 100644 (file)
--- 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.

diff --git a/target/linux/generic/config-3.3 b/target/linux/generic/config-3.3
index a2c9053..31f3442 100644 (file)
--- a/target/linux/generic/config-3.3
+++ b/target/linux/generic/config-3.3
@@ -922,6 +922,7 @@ CONFIG_HOTPLUG=y
 # CONFIG_HWMON_DEBUG_CHIP is not set
 # CONFIG_HWMON_VID is not set
 # CONFIG_HWSPINLOCK_OMAP is not set
+CONFIG_HW_PERF_EVENTS=y
 # CONFIG_HW_RANDOM is not set
 # CONFIG_HW_RANDOM_AMD is not set
 # CONFIG_HW_RANDOM_GEODE is not set