Add tracing initialization to init.rc.
This change adds init.rc steps to allow kernel tracing to support inserting
messages from any userland process.
Change-Id: I01970728d7132a25408fed09a213a015ac05ccaf
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 71ec3fa..dfe2479 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -370,6 +370,10 @@
on property:ro.debuggable=1
start console
+# Allow writing to the kernel trace log. Enabling tracing still requires root.
+on property:ro.debuggable=1
+ chmod 0222 /sys/kernel/debug/tracing/trace_marker
+
# adbd is controlled via property triggers in init.<platform>.usb.rc
service adbd /sbin/adbd
class core