Add metric to extract per-process unmapped java type names

Bug: 139119648
Change-Id: If4d5c18a3f7c5e6f262d4d0c8c5a79c2e0afc330
diff --git a/Android.bp b/Android.bp
index 063d31a..47f7644 100644
--- a/Android.bp
+++ b/Android.bp
@@ -40,6 +40,7 @@
     "src/trace_processor/metrics/android/process_oom_score.sql",
     "src/trace_processor/metrics/android/process_unagg_mem_view.sql",
     "src/trace_processor/metrics/android/span_view_stats.sql",
+    "src/trace_processor/metrics/android/unmapped_java_symbols.sql",
     "src/trace_processor/metrics/android/unsymbolized_frames.sql",
     "src/trace_processor/metrics/android/upid_span_view.sql",
     "src/trace_processor/metrics/trace_metadata.sql",
@@ -2589,6 +2590,7 @@
     "protos/perfetto/metrics/android/powrails_metric.proto",
     "protos/perfetto/metrics/android/process_metadata.proto",
     "protos/perfetto/metrics/android/startup_metric.proto",
+    "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
     "protos/perfetto/metrics/android/unsymbolized_frames.proto",
   ],
   tools: [
@@ -2610,6 +2612,7 @@
     "external/perfetto/protos/perfetto/metrics/android/powrails_metric.pbzero.cc",
     "external/perfetto/protos/perfetto/metrics/android/process_metadata.pbzero.cc",
     "external/perfetto/protos/perfetto/metrics/android/startup_metric.pbzero.cc",
+    "external/perfetto/protos/perfetto/metrics/android/unmapped_java_symbols.pbzero.cc",
     "external/perfetto/protos/perfetto/metrics/android/unsymbolized_frames.pbzero.cc",
   ],
 }
@@ -2631,6 +2634,7 @@
     "protos/perfetto/metrics/android/powrails_metric.proto",
     "protos/perfetto/metrics/android/process_metadata.proto",
     "protos/perfetto/metrics/android/startup_metric.proto",
+    "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
     "protos/perfetto/metrics/android/unsymbolized_frames.proto",
   ],
   tools: [
@@ -2652,6 +2656,7 @@
     "external/perfetto/protos/perfetto/metrics/android/powrails_metric.pbzero.h",
     "external/perfetto/protos/perfetto/metrics/android/process_metadata.pbzero.h",
     "external/perfetto/protos/perfetto/metrics/android/startup_metric.pbzero.h",
+    "external/perfetto/protos/perfetto/metrics/android/unmapped_java_symbols.pbzero.h",
     "external/perfetto/protos/perfetto/metrics/android/unsymbolized_frames.pbzero.h",
   ],
   export_include_dirs: [
diff --git a/BUILD b/BUILD
index df87dec..d791eff 100644
--- a/BUILD
+++ b/BUILD
@@ -689,6 +689,7 @@
         "src/trace_processor/metrics/android/process_oom_score.sql",
         "src/trace_processor/metrics/android/process_unagg_mem_view.sql",
         "src/trace_processor/metrics/android/span_view_stats.sql",
+        "src/trace_processor/metrics/android/unmapped_java_symbols.sql",
         "src/trace_processor/metrics/android/unsymbolized_frames.sql",
         "src/trace_processor/metrics/android/upid_span_view.sql",
         "src/trace_processor/metrics/trace_metadata.sql",
@@ -1776,6 +1777,7 @@
         "protos/perfetto/metrics/android/powrails_metric.proto",
         "protos/perfetto/metrics/android/process_metadata.proto",
         "protos/perfetto/metrics/android/startup_metric.proto",
+        "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
         "protos/perfetto/metrics/android/unsymbolized_frames.proto",
     ],
     visibility = [
diff --git a/protos/perfetto/metrics/android/BUILD.gn b/protos/perfetto/metrics/android/BUILD.gn
index 05f5b80..5f7e2b4 100644
--- a/protos/perfetto/metrics/android/BUILD.gn
+++ b/protos/perfetto/metrics/android/BUILD.gn
@@ -29,6 +29,7 @@
     "powrails_metric.proto",
     "process_metadata.proto",
     "startup_metric.proto",
+    "unmapped_java_symbols.proto",
     "unsymbolized_frames.proto",
   ]
 }
diff --git a/protos/perfetto/metrics/android/unmapped_java_symbols.proto b/protos/perfetto/metrics/android/unmapped_java_symbols.proto
new file mode 100644
index 0000000..53266ca
--- /dev/null
+++ b/protos/perfetto/metrics/android/unmapped_java_symbols.proto
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+option optimize_for = LITE_RUNTIME;
+
+package perfetto.protos;
+
+import "protos/perfetto/metrics/android/process_metadata.proto";
+
+message UnmappedJavaSymbols {
+  message ProcessSymbols {
+    optional AndroidProcessMetadata process_metadata = 1;
+    repeated string type_name = 2;
+    repeated string field_name = 3;
+  }
+
+  repeated ProcessSymbols process_symbols = 1;
+}
diff --git a/protos/perfetto/metrics/metrics.proto b/protos/perfetto/metrics/metrics.proto
index bcb5e93..c17be13 100644
--- a/protos/perfetto/metrics/metrics.proto
+++ b/protos/perfetto/metrics/metrics.proto
@@ -30,6 +30,7 @@
 import "protos/perfetto/metrics/android/startup_metric.proto";
 import "protos/perfetto/metrics/android/heap_profile_callsites.proto";
 import "protos/perfetto/metrics/android/package_list.proto";
+import "protos/perfetto/metrics/android/unmapped_java_symbols.proto";
 import "protos/perfetto/metrics/android/unsymbolized_frames.proto";
 import "protos/perfetto/metrics/android/java_heap_stats.proto";
 
@@ -50,7 +51,7 @@
 
 // Root message for all Perfetto-based metrics.
 //
-// Next id: 19
+// Next id: 20
 message TraceMetrics {
   reserved 4, 10, 13, 14;
 
@@ -99,6 +100,9 @@
   // Metrics used to find potential culprits of low-memory kills.
   optional AndroidLmkReasonMetric android_lmk_reason = 18;
 
+  // Java type names that have no deobfuscation mappings.
+  optional UnmappedJavaSymbols unmapped_java_symbols = 19;
+
   // Demo extensions.
   extensions 450 to 499;
 
diff --git a/protos/perfetto/metrics/perfetto_merged_metrics.proto b/protos/perfetto/metrics/perfetto_merged_metrics.proto
index fc45d52..3221b5c 100644
--- a/protos/perfetto/metrics/perfetto_merged_metrics.proto
+++ b/protos/perfetto/metrics/perfetto_merged_metrics.proto
@@ -420,6 +420,20 @@
 
 // End of protos/perfetto/metrics/android/package_list.proto
 
+// Begin of protos/perfetto/metrics/android/unmapped_java_symbols.proto
+
+message UnmappedJavaSymbols {
+  message ProcessSymbols {
+    optional AndroidProcessMetadata process_metadata = 1;
+    repeated string type_name = 2;
+    repeated string field_name = 3;
+  }
+
+  repeated ProcessSymbols process_symbols = 1;
+}
+
+// End of protos/perfetto/metrics/android/unmapped_java_symbols.proto
+
 // Begin of protos/perfetto/metrics/android/unsymbolized_frames.proto
 
 message UnsymbolizedFrames {
@@ -475,7 +489,7 @@
 
 // Root message for all Perfetto-based metrics.
 //
-// Next id: 19
+// Next id: 20
 message TraceMetrics {
   reserved 4, 10, 13, 14;
 
@@ -524,6 +538,9 @@
   // Metrics used to find potential culprits of low-memory kills.
   optional AndroidLmkReasonMetric android_lmk_reason = 18;
 
+  // Java type names that have no deobfuscation mappings.
+  optional UnmappedJavaSymbols unmapped_java_symbols = 19;
+
   // Demo extensions.
   extensions 450 to 499;
 
diff --git a/src/protozero/test/example_proto/test_messages.descriptor.h b/src/protozero/test/example_proto/test_messages.descriptor.h
index f26c058..9c2bcfa 100644
--- a/src/protozero/test/example_proto/test_messages.descriptor.h
+++ b/src/protozero/test/example_proto/test_messages.descriptor.h
@@ -224,19 +224,19 @@
      0x72, 0x42, 0x61, 0x7a, 0x12, 0x16, 0x0a, 0x06, 0x62, 0x61, 0x72, 0x42,
      0x61, 0x7a, 0x18, 0x02, 0x20, 0x01, 0x28, 0x08, 0x52, 0x06, 0x62, 0x61,
      0x72, 0x42, 0x61, 0x7a, 0x12, 0x16, 0x0a, 0x06, 0x4d, 0x6f, 0x6f, 0x4d,
-     0x6f, 0x6f, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x06, 0x4d, 0x6f,
+     0x6f, 0x6f, 0x18, 0x03, 0x20, 0x01, 0x28, 0x08, 0x52, 0x06, 0x6d, 0x6f,
      0x6f, 0x4d, 0x6f, 0x6f, 0x12, 0x1e, 0x0a, 0x0a, 0x55, 0x52, 0x4c, 0x45,
      0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72, 0x18, 0x04, 0x20, 0x01, 0x28, 0x08,
-     0x52, 0x0a, 0x55, 0x52, 0x4c, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72,
+     0x52, 0x0a, 0x75, 0x52, 0x4c, 0x45, 0x6e, 0x63, 0x6f, 0x64, 0x65, 0x72,
      0x12, 0x12, 0x0a, 0x04, 0x58, 0x4d, 0x61, 0x70, 0x18, 0x05, 0x20, 0x01,
-     0x28, 0x08, 0x52, 0x04, 0x58, 0x4d, 0x61, 0x70, 0x12, 0x21, 0x0a, 0x0d,
+     0x28, 0x08, 0x52, 0x04, 0x78, 0x4d, 0x61, 0x70, 0x12, 0x21, 0x0a, 0x0d,
      0x55, 0x72, 0x4c, 0x45, 0x5f, 0x6e, 0x63, 0x6f, 0x5f, 0x5f, 0x64, 0x65,
-     0x72, 0x18, 0x06, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x55, 0x72, 0x4c,
+     0x72, 0x18, 0x06, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0a, 0x75, 0x72, 0x4c,
      0x45, 0x4e, 0x63, 0x6f, 0x44, 0x65, 0x72, 0x12, 0x1a, 0x0a, 0x09, 0x5f,
      0x5f, 0x62, 0x69, 0x67, 0x42, 0x61, 0x6e, 0x67, 0x18, 0x07, 0x20, 0x01,
-     0x28, 0x08, 0x52, 0x07, 0x42, 0x69, 0x67, 0x42, 0x61, 0x6e, 0x67, 0x12,
+     0x28, 0x08, 0x52, 0x07, 0x62, 0x69, 0x67, 0x42, 0x61, 0x6e, 0x67, 0x12,
      0x0e, 0x0a, 0x02, 0x55, 0x32, 0x18, 0x08, 0x20, 0x01, 0x28, 0x08, 0x52,
-     0x02, 0x55, 0x32, 0x12, 0x1a, 0x0a, 0x09, 0x62, 0x61, 0x6e, 0x67, 0x42,
+     0x02, 0x75, 0x32, 0x12, 0x1a, 0x0a, 0x09, 0x62, 0x61, 0x6e, 0x67, 0x42,
      0x69, 0x67, 0x5f, 0x5f, 0x18, 0x09, 0x20, 0x01, 0x28, 0x08, 0x52, 0x07,
      0x62, 0x61, 0x6e, 0x67, 0x42, 0x69, 0x67, 0x22, 0x8f, 0x01, 0x0a, 0x14,
      0x50, 0x61, 0x63, 0x6b, 0x65, 0x64, 0x52, 0x65, 0x70, 0x65, 0x61, 0x74,
diff --git a/src/trace_processor/metrics/BUILD.gn b/src/trace_processor/metrics/BUILD.gn
index 71b2623..537f55e 100644
--- a/src/trace_processor/metrics/BUILD.gn
+++ b/src/trace_processor/metrics/BUILD.gn
@@ -40,6 +40,7 @@
   "android/mem_stats_priority_breakdown.sql",
   "android/span_view_stats.sql",
   "android/upid_span_view.sql",
+  "android/unmapped_java_symbols.sql",
   "android/unsymbolized_frames.sql",
 ]
 
diff --git a/src/trace_processor/metrics/android/process_metadata.sql b/src/trace_processor/metrics/android/process_metadata.sql
index 92b7bfe..2dbc0b4 100644
--- a/src/trace_processor/metrics/android/process_metadata.sql
+++ b/src/trace_processor/metrics/android/process_metadata.sql
@@ -56,7 +56,7 @@
 
 DROP VIEW IF EXISTS process_metadata;
 
-CREATE VIEW process_metadata AS
+CREATE VIEW IF NOT EXISTS process_metadata AS
 WITH upid_packages AS (
   SELECT
   upid,
diff --git a/src/trace_processor/metrics/android/unmapped_java_symbols.sql b/src/trace_processor/metrics/android/unmapped_java_symbols.sql
new file mode 100644
index 0000000..c2e7785
--- /dev/null
+++ b/src/trace_processor/metrics/android/unmapped_java_symbols.sql
@@ -0,0 +1,50 @@
+--
+-- Copyright 2020 The Android Open Source Project
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     https://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+
+SELECT RUN_METRIC('android/process_metadata.sql');
+
+CREATE TABLE IF NOT EXISTS types_per_upid AS
+WITH distinct_unmapped_type_names AS (
+  SELECT DISTINCT upid, type_name
+  FROM heap_graph_object WHERE deobfuscated_type_name IS NULL
+)
+SELECT upid, RepeatedField(type_name) AS types
+FROM distinct_unmapped_type_names GROUP BY 1;
+
+CREATE TABLE IF NOT EXISTS fields_per_upid AS
+WITH distinct_unmapped_field_names AS (
+  SELECT DISTINCT upid, field_name
+  FROM heap_graph_object JOIN heap_graph_reference USING (reference_set_id)
+  WHERE deobfuscated_type_name IS NULL
+)
+SELECT upid, RepeatedField(field_name) AS fields
+FROM distinct_unmapped_field_names GROUP BY 1;
+
+CREATE VIEW IF NOT EXISTS java_symbols_per_process AS
+SELECT UnmappedJavaSymbols_ProcessSymbols(
+  'process_metadata', metadata,
+  'type_name', types,
+  'field_name', fields
+) types
+FROM types_per_upid
+JOIN process_metadata USING (upid)
+LEFT JOIN fields_per_upid USING (upid);
+
+CREATE VIEW unmapped_java_symbols_output AS
+SELECT UnmappedJavaSymbols(
+  'process_symbols',
+  (SELECT RepeatedField(types) FROM java_symbols_per_process)
+);
diff --git a/src/trace_processor/metrics/metrics.descriptor.h b/src/trace_processor/metrics/metrics.descriptor.h
index 7b37058..6e19075 100644
--- a/src/trace_processor/metrics/metrics.descriptor.h
+++ b/src/trace_processor/metrics/metrics.descriptor.h
@@ -27,14 +27,14 @@
 // SHA1(tools/gen_binary_descriptors)
 // f242f1ac484bbe7ba4c45e77b56ab588f8015196
 // SHA1(protos/perfetto/metrics/metrics.proto)
-// e1fea13f5853cbb276ae800c5fee91c46704565d
+// 768c8fa5ed7f48eb644a1a45bb7295e32f8c771c
 
 // This is the proto Metrics encoded as a ProtoFileDescriptor to allow
 // for reflection without libprotobuf full/non-lite protos.
 
 namespace perfetto {
 
-constexpr std::array<uint8_t, 11445> kMetricsDescriptor{
+constexpr std::array<uint8_t, 12018> kMetricsDescriptor{
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@@ -733,262 +733,310 @@
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+     0x10, 0x0f, 0x42, 0x02, 0x48, 0x03}};
 
 }  // namespace perfetto
 
diff --git a/test/metrics/index b/test/metrics/index
index 0175754..52edade 100644
--- a/test/metrics/index
+++ b/test/metrics/index
@@ -22,6 +22,7 @@
 heap_profile_no_symbols.textproto unsymbolized_frames unsymbolized_frames.out
 
 ../trace_processor/heap_graph.textproto java_heap_stats java_heap_stats.out
+obfuscated_heap_graph.textproto unmapped_java_symbols unmapped_java_symbols.out
 
 # Json output
 ../data/memory_counters.pb trace_metadata trace_metadata.json.out
diff --git a/test/metrics/obfuscated_heap_graph.textproto b/test/metrics/obfuscated_heap_graph.textproto
new file mode 100644
index 0000000..4391067
--- /dev/null
+++ b/test/metrics/obfuscated_heap_graph.textproto
@@ -0,0 +1,61 @@
+packet {
+  process_tree {
+    processes {
+      pid: 1
+      ppid: 0
+      cmdline: "init"
+      uid: 0
+    }
+    processes {
+      pid: 2
+      ppid: 1
+      cmdline: "com.google.android.gm"
+      uid: 10001
+    }
+  }
+}
+packet {
+  trusted_packet_sequence_id: 999
+  timestamp: 10
+  heap_graph {
+    pid: 2
+    roots {
+      root_type: ROOT_JAVA_FRAME
+      object_ids: 0x01
+    }
+    objects {
+      id: 0x01
+      type_id: 1
+      self_size: 64
+      reference_field_id: 1
+      reference_object_id: 0x02
+    }
+    objects {
+      id: 0x02
+      type_id: 2
+      self_size: 32
+    }
+    continued: true
+    index: 1
+  }
+}
+packet {
+  trusted_packet_sequence_id: 999
+  heap_graph {
+    pid: 2
+    type_names {
+      iid: 1
+      str: "FactoryProducerDelegateImplActor"
+    }
+    type_names {
+      iid: 2
+      str: "a"
+    }
+    field_names {
+      iid: 1
+      str: "FactoryProducerDelegateImplActor.a"
+    }
+    continued: false
+    index: 2
+  }
+}
diff --git a/test/metrics/unmapped_java_symbols.out b/test/metrics/unmapped_java_symbols.out
new file mode 100644
index 0000000..b095d42
--- /dev/null
+++ b/test/metrics/unmapped_java_symbols.out
@@ -0,0 +1,11 @@
+unmapped_java_symbols {
+  process_symbols {
+    process_metadata {
+      name: "com.google.android.gm"
+      uid: 10001
+    }
+    type_name: "FactoryProducerDelegateImplActor"
+    type_name: "a"
+    field_name: "FactoryProducerDelegateImplActor.a"
+  }
+}