commit 079e6609b1fe26e32cd033dffea1f150b3ba19ea
author Alistair Delva <adelva@google.com> Tue Jan 28 16:08:48 2020 -0800
committer Alistair Delva <adelva@google.com> Tue Jan 28 16:08:50 2020 -0800
tree 18c09e7c449e4d445e023ca875f3f3d675703d73
parent f8f56f4b620b6f7481c2c5dda4a4ff19b71901ca

Fix mount of tracefs

A recent kernel update disabled debugfs. This means we can no longer
rely on the mount of debugfs to implicitly mount tracefs under
/sys/kernel/tracing. Do it explicitly.

Bug: 148436518
Change-Id: I76c47765b9a85ff3827dcf583bf8ed6af1a3eb08

shared/config/init.vendor.rc

diff --git a/shared/config/init.vendor.rc b/shared/config/init.vendor.rc
index 4833241..a4c3b60 100644
--- a/shared/config/init.vendor.rc
+++ b/shared/config/init.vendor.rc
@@ -7,7 +7,8 @@
     mkdir /dev/gce 0750
     chown system system /dev/gce
 
-    mount debugfs debugfs /sys/kernel/debug
+    mount tracefs tracefs /sys/kernel/tracing
+
     chmod 0755 /sys/kernel/debug
     setprop ro.sf.lcd_density ${ro.boot.lcd_density}
     setprop ro.hardware.egl ${ro.boot.hardware.egl}