commit 9b37bc52f828cdd72fd8cae0cc3618192a014305
author Primiano Tucci <primiano@google.com> Tue Jan 15 23:19:37 2019 +0000
committer Primiano Tucci <primiano@google.com> Tue Jan 15 23:19:37 2019 +0000
tree 40a34180e3817b3425f0a8a4c1f6572f75e3163a
parent 54636483b2640f7fdd3de5317a10b7f4ab01f807

Add filemap events for iorapd

iorapd needs to access these events on-device
through perfetto.

Bug: 122606712
Bug: 72170747
Change-Id: Iffe2c4c28e731d8720ff63d1170fad6b497c5602

cmds/atrace/atrace.rc

diff --git a/cmds/atrace/atrace.rc b/cmds/atrace/atrace.rc
index 4459cef..07b12f9 100644
--- a/cmds/atrace/atrace.rc
+++ b/cmds/atrace/atrace.rc
@@ -138,6 +138,12 @@
     chmod 0666 /sys/kernel/tracing/events/block/block_rq_complete/enable
     chmod 0666 /sys/kernel/debug/tracing/events/block/block_rq_complete/enable
 
+    # filemap events for iorapd
+    chmod 0666 /sys/kernel/tracing/events/filemap/mm_filemap_add_to_page_cache/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/filemap/mm_filemap_add_to_page_cache/enable
+    chmod 0666 /sys/kernel/tracing/events/filemap/mm_filemap_delete_from_page_cache/enable
+    chmod 0666 /sys/kernel/debug/tracing/events/filemap/mm_filemap_delete_from_page_cache/enable
+
 # Tracing disabled by default
     write /sys/kernel/debug/tracing/tracing_on 0
     write /sys/kernel/tracing/tracing_on 0