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authorFelix Fietkau <nbd@openwrt.org>2012-09-20 20:27:14 +0000
committerFelix Fietkau <nbd@openwrt.org>2012-09-20 20:27:14 +0000
commitc4a419b44585a01e9fe9408d1f0493ed1a5dc0af (patch)
treec68d94faba8a6a019ad47f18c02c72c1d2928673
parentfd7b2b5141dc3ce723ae54f38645bca44a1b651d (diff)
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kernel: enable perf events when enabling profiling, fixes oprofile on arm
SVN-Revision: 33497
-rw-r--r--Config.in5
-rw-r--r--target/linux/generic/config-3.31
2 files changed, 6 insertions, 0 deletions
diff --git a/Config.in b/Config.in
index 36ca48881f..e5b3346fe2 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.
diff --git a/target/linux/generic/config-3.3 b/target/linux/generic/config-3.3
index a2c90533ca..31f3442edf 100644
--- 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