linux: Enable kernel configs for SystemTap

Some of required kernel configs to use SystemTap are not enabled by
default. It is nessesary to rebuld and replace kernei before using it.
This commit will avoid it.

v2: Make the change conditional to 'agl-devel' and not apply in production.

Bug-AGL: SPEC-3360

Signed-off-by: Kenji Hosokawa <khosokawa@jp.adit-jv.com>
Change-Id: Ida74b9ee9de0be3c06683e3a04ad424d5ae3e9e6

diff --git a/meta-agl-bsp/recipes-kernel/linux/linux-agl.inc b/meta-agl-bsp/recipes-kernel/linux/linux-agl.inc
index 176878e..96ed8fd 100644 (file)
--- a/meta-agl-bsp/recipes-kernel/linux/linux-agl.inc
+++ b/meta-agl-bsp/recipes-kernel/linux/linux-agl.inc
@@ -114,3 +114,7 @@ KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/rtc.cfg"
 # netfilter options
 SRC_URI_append = " file://netfilter.cfg"
 KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/netfilter.cfg"
+
+# Enable support for SystemTap
+SRC_URI_append = " ${@bb.utils.contains('DISTRO_FEATURES', 'agl-devel', 'file://systemtap.cfg', '', d)}"
+KERNEL_CONFIG_FRAGMENTS_append = " ${@bb.utils.contains('DISTRO_FEATURES', 'agl-devel', '${WORKDIR}/systemtap.cfg', '', d)}"

diff --git a/meta-agl-bsp/recipes-kernel/linux/linux/systemtap.cfg b/meta-agl-bsp/recipes-kernel/linux/linux/systemtap.cfg
new file mode 100644 (file)
index 0000000..4886c27
--- /dev/null
+++ b/meta-agl-bsp/recipes-kernel/linux/linux/systemtap.cfg
@@ -0,0 +1,9 @@
+CONFIG_KPROBES=y
+CONFIG_UPROBES=y
+CONFIG_UPROBE_EVENTS=y
+CONFIG_FTRACE=y
+CONFIG_KPROBE_EVENTS=y
+CONFIG_RELAY=y
+CONFIG_DEBUG_FS=y
+CONFIG_DEBUG_INFO=y
+