diff --git a/Android.bp b/Android.bp
index 0d2d31f..da39ea9 100644
--- a/Android.bp
+++ b/Android.bp
@@ -64,6 +64,8 @@
     "src/traced/probes/filesystem/fs_mount.cc",
     "src/traced/probes/filesystem/inode_file_data_source.cc",
     "src/traced/probes/filesystem/lru_inode_cache.cc",
+    "src/traced/probes/filesystem/prefix_finder.cc",
+    "src/traced/probes/filesystem/range_tree.cc",
     "src/traced/probes/probes.cc",
     "src/traced/probes/probes_producer.cc",
     "src/traced/probes/process_stats_data_source.cc",
@@ -293,6 +295,8 @@
     "src/traced/probes/filesystem/fs_mount.cc",
     "src/traced/probes/filesystem/inode_file_data_source.cc",
     "src/traced/probes/filesystem/lru_inode_cache.cc",
+    "src/traced/probes/filesystem/prefix_finder.cc",
+    "src/traced/probes/filesystem/range_tree.cc",
     "src/traced/probes/probes_producer.cc",
     "src/traced/probes/process_stats_data_source.cc",
     "src/tracing/core/chrome_config.cc",
@@ -3266,6 +3270,10 @@
     "src/traced/probes/filesystem/inode_file_data_source.cc",
     "src/traced/probes/filesystem/lru_inode_cache.cc",
     "src/traced/probes/filesystem/lru_inode_cache_unittest.cc",
+    "src/traced/probes/filesystem/prefix_finder.cc",
+    "src/traced/probes/filesystem/prefix_finder_unittest.cc",
+    "src/traced/probes/filesystem/range_tree.cc",
+    "src/traced/probes/filesystem/range_tree_unittest.cc",
     "src/traced/probes/probes_producer.cc",
     "src/traced/probes/process_stats_data_source.cc",
     "src/traced/probes/process_stats_data_source_unittest.cc",