commit 2633f8165643b625469e44274d64405efdf57b94
author Florian Mayer <fmayer@google.com> Tue Apr 10 16:18:58 2018 +0100
committer Florian Mayer <fmayer@google.com> Tue Apr 10 18:43:40 2018 +0100
tree 2b478aede15798c40a12f4f01c3d36d1492bd4ea
parent df68da1c4b3d3c018ee08de3d5411defd140a431

Expose filesystem read events in filesystem perms.

Without this, we only have visibility into writes.

Looking at traces, we realised for many of the files we care about (.dex, .apk)
most filesystem events are actually reads.

See aosp/661781 for matching SELinux change.

Bug: 73625480

Change-Id: Ic4dbf4f0505a12de8b1ed133499813b6466c3cbe

cmds/atrace/atrace.rc

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index cb6d0c6..f6c8e7f 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -83,6 +83,10 @@
     chmod 0666 /sys/kernel/tracing/events/lowmemorykiller/enable
 
     # disk
+    chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_get_data_block/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_get_data_block/enable
+    chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_iget/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_iget/enable
     chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_sync_file_enter/enable
     chmod 0666 /sys/kernel/debug/tracing/events/f2fs/f2fs_sync_file_enter/enable
     chmod 0666 /sys/kernel/tracing/events/f2fs/f2fs_sync_file_exit/enable
@@ -95,6 +99,12 @@
     chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_da_write_begin/enable
     chmod 0666 /sys/kernel/tracing/events/ext4/ext4_da_write_end/enable
     chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_da_write_end/enable
+    chmod 0666 /sys/kernel/tracing/events/ext4/ext4_es_lookup_extent_enter/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_es_lookup_extent_enter/enable
+    chmod 0666 /sys/kernel/tracing/events/ext4/ext4_es_lookup_extent_exit/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_es_lookup_extent_exit/enable
+    chmod 0666 /sys/kernel/tracing/events/ext4/ext4_load_inode/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_load_inode/enable
     chmod 0666 /sys/kernel/tracing/events/ext4/ext4_sync_file_enter/enable
     chmod 0666 /sys/kernel/debug/tracing/events/ext4/ext4_sync_file_enter/enable
     chmod 0666 /sys/kernel/tracing/events/ext4/ext4_sync_file_exit/enable