Add task names metric

Bug: 150357887
Change-Id: I60dfc049d06f7fe2154ef213896c25608fca37fb
diff --git a/Android.bp b/Android.bp
index 6c873f7..f26c9fc 100644
--- a/Android.bp
+++ b/Android.bp
@@ -31,6 +31,7 @@
     "src/trace_processor/metrics/android/android_powrails.sql",
     "src/trace_processor/metrics/android/android_startup.sql",
     "src/trace_processor/metrics/android/android_startup_launches.sql",
+    "src/trace_processor/metrics/android/android_task_names.sql",
     "src/trace_processor/metrics/android/android_task_state.sql",
     "src/trace_processor/metrics/android/display_metrics.sql",
     "src/trace_processor/metrics/android/heap_profile_callsites.sql",
@@ -3014,6 +3015,7 @@
     "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/task_names.proto",
     "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
     "protos/perfetto/metrics/android/unsymbolized_frames.proto",
   ],
@@ -3039,6 +3041,7 @@
     "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/task_names.pbzero.cc",
     "external/perfetto/protos/perfetto/metrics/android/unmapped_java_symbols.pbzero.cc",
     "external/perfetto/protos/perfetto/metrics/android/unsymbolized_frames.pbzero.cc",
   ],
@@ -3064,6 +3067,7 @@
     "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/task_names.proto",
     "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
     "protos/perfetto/metrics/android/unsymbolized_frames.proto",
   ],
@@ -3089,6 +3093,7 @@
     "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/task_names.pbzero.h",
     "external/perfetto/protos/perfetto/metrics/android/unmapped_java_symbols.pbzero.h",
     "external/perfetto/protos/perfetto/metrics/android/unsymbolized_frames.pbzero.h",
   ],
diff --git a/BUILD b/BUILD
index 64b7160..d17ccf5 100644
--- a/BUILD
+++ b/BUILD
@@ -711,6 +711,7 @@
         "src/trace_processor/metrics/android/android_powrails.sql",
         "src/trace_processor/metrics/android/android_startup.sql",
         "src/trace_processor/metrics/android/android_startup_launches.sql",
+        "src/trace_processor/metrics/android/android_task_names.sql",
         "src/trace_processor/metrics/android/android_task_state.sql",
         "src/trace_processor/metrics/android/display_metrics.sql",
         "src/trace_processor/metrics/android/heap_profile_callsites.sql",
@@ -1925,6 +1926,7 @@
         "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/task_names.proto",
         "protos/perfetto/metrics/android/unmapped_java_symbols.proto",
         "protos/perfetto/metrics/android/unsymbolized_frames.proto",
     ],
diff --git a/protos/perfetto/metrics/android/BUILD.gn b/protos/perfetto/metrics/android/BUILD.gn
index 747b3b5..c163438 100644
--- a/protos/perfetto/metrics/android/BUILD.gn
+++ b/protos/perfetto/metrics/android/BUILD.gn
@@ -32,6 +32,7 @@
     "powrails_metric.proto",
     "process_metadata.proto",
     "startup_metric.proto",
+    "task_names.proto",
     "unmapped_java_symbols.proto",
     "unsymbolized_frames.proto",
   ]
diff --git a/protos/perfetto/metrics/android/task_names.proto b/protos/perfetto/metrics/android/task_names.proto
new file mode 100644
index 0000000..3aed87f
--- /dev/null
+++ b/protos/perfetto/metrics/android/task_names.proto
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2019 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";
+package perfetto.protos;
+
+message AndroidTaskNames {
+  message Process {
+    optional int64 pid = 1;
+
+    // Process name.
+    optional string process_name = 2;
+
+    // Names of all threads for this process.
+    repeated string thread_name = 3;
+
+    // User id under which this process runs.
+    optional int64 uid = 4;
+
+    // Packages matching the process uid.
+    repeated string uid_package_name = 5;
+  }
+
+  repeated Process process = 1;
+}
diff --git a/protos/perfetto/metrics/metrics.proto b/protos/perfetto/metrics/metrics.proto
index f19cb37..0c7f49a 100644
--- a/protos/perfetto/metrics/metrics.proto
+++ b/protos/perfetto/metrics/metrics.proto
@@ -35,6 +35,7 @@
 import "protos/perfetto/metrics/android/java_heap_histogram.proto";
 import "protos/perfetto/metrics/android/java_heap_stats.proto";
 import "protos/perfetto/metrics/android/display_metrics.proto";
+import "protos/perfetto/metrics/android/task_names.proto";
 
 // Trace processor metadata
 message TraceMetadata {
@@ -54,7 +55,7 @@
 
 // Root message for all Perfetto-based metrics.
 //
-// Next id: 23
+// Next id: 24
 message TraceMetrics {
   reserved 4, 10, 13, 14;
 
@@ -113,6 +114,8 @@
 
   optional AndroidDisplayMetrics display_metrics = 22;
 
+  optional AndroidTaskNames android_task_names = 23;
+
   // 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 fb5657e..507ede1 100644
--- a/protos/perfetto/metrics/perfetto_merged_metrics.proto
+++ b/protos/perfetto/metrics/perfetto_merged_metrics.proto
@@ -622,6 +622,30 @@
 }
 // End of protos/perfetto/metrics/android/display_metrics.proto
 
+// Begin of protos/perfetto/metrics/android/task_names.proto
+
+message AndroidTaskNames {
+  message Process {
+    optional int64 pid = 1;
+
+    // Process name.
+    optional string process_name = 2;
+
+    // Names of all threads for this process.
+    repeated string thread_name = 3;
+
+    // User id under which this process runs.
+    optional int64 uid = 4;
+
+    // Packages matching the process uid.
+    repeated string uid_package_name = 5;
+  }
+
+  repeated Process process = 1;
+}
+
+// End of protos/perfetto/metrics/android/task_names.proto
+
 // Begin of protos/perfetto/metrics/metrics.proto
 
 // Trace processor metadata
@@ -642,7 +666,7 @@
 
 // Root message for all Perfetto-based metrics.
 //
-// Next id: 23
+// Next id: 24
 message TraceMetrics {
   reserved 4, 10, 13, 14;
 
@@ -701,6 +725,8 @@
 
   optional AndroidDisplayMetrics display_metrics = 22;
 
+  optional AndroidTaskNames android_task_names = 23;
+
   // Demo extensions.
   extensions 450 to 499;
 
diff --git a/src/trace_processor/metrics/BUILD.gn b/src/trace_processor/metrics/BUILD.gn
index 02a6bec..3357d9b 100644
--- a/src/trace_processor/metrics/BUILD.gn
+++ b/src/trace_processor/metrics/BUILD.gn
@@ -30,6 +30,7 @@
   "android/android_task_state.sql",
   "android/android_startup.sql",
   "android/android_package_list.sql",
+  "android/android_task_names.sql",
   "android/display_metrics.sql",
   "android/heap_profile_callsites.sql",
   "android/android_hwui_metric.sql",
diff --git a/src/trace_processor/metrics/android/android_task_names.sql b/src/trace_processor/metrics/android/android_task_names.sql
new file mode 100644
index 0000000..5c67757
--- /dev/null
+++ b/src/trace_processor/metrics/android/android_task_names.sql
@@ -0,0 +1,52 @@
+--
+-- 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 VIEW IF NOT EXISTS android_task_names_output AS
+WITH
+-- Process to thread name
+threads_by_upid AS (
+  SELECT
+    upid,
+    RepeatedField(name) AS thread_names
+  FROM thread
+  WHERE name IS NOT NULL
+  GROUP BY 1
+),
+upid_packages AS (
+  SELECT
+    upid,
+    RepeatedField(package_list.package_name) AS packages
+  FROM proc_uid
+  JOIN package_list USING (uid)
+  GROUP BY 1
+)
+SELECT AndroidTaskNames(
+  'process', RepeatedField(
+    AndroidTaskNames_Process(
+      'pid', p.pid,
+      'process_name', p.name,
+      'thread_name', threads_by_upid.thread_names,
+      'uid', p.uid,
+      'uid_package_name', upid_packages.packages
+    )
+  )
+)
+FROM process p
+LEFT JOIN threads_by_upid USING (upid)
+LEFT JOIN upid_packages USING (upid)
+WHERE upid != 0;
diff --git a/src/trace_processor/metrics/android/process_metadata.sql b/src/trace_processor/metrics/android/process_metadata.sql
index 2dbc0b4..74eb82a 100644
--- a/src/trace_processor/metrics/android/process_metadata.sql
+++ b/src/trace_processor/metrics/android/process_metadata.sql
@@ -54,8 +54,6 @@
     OR proc_uid.name LIKE plist.package_name || '%')
   );
 
-DROP VIEW IF EXISTS process_metadata;
-
 CREATE VIEW IF NOT EXISTS process_metadata AS
 WITH upid_packages AS (
   SELECT
diff --git a/src/trace_processor/metrics/metrics.descriptor.h b/src/trace_processor/metrics/metrics.descriptor.h
index b878367..5500cd0 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)
 // 3df80477da2ea38cc659967487b37051a154bb69
 // SHA1(protos/perfetto/metrics/metrics.proto)
-// 43c79743bba96f15b4e245d42975b6c4dcaec7c0
+// 0f9b22869a694ffc9d8e9c15d40e93a71fba629c
 
 // 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, 15711> kMetricsDescriptor{
+constexpr std::array<uint8_t, 16160> kMetricsDescriptor{
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@@ -1102,249 +1102,286 @@
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+     0x61, 0x6d, 0x65, 0x73, 0x2a, 0x06, 0x08, 0xc2, 0x03, 0x10, 0xf4, 0x03,
+     0x2a, 0x06, 0x08, 0xf4, 0x03, 0x10, 0xe9, 0x07, 0x4a, 0x04, 0x08, 0x04,
+     0x10, 0x05, 0x4a, 0x04, 0x08, 0x0a, 0x10, 0x0b, 0x4a, 0x04, 0x08, 0x0d,
+     0x10, 0x0e, 0x4a, 0x04, 0x08, 0x0e, 0x10, 0x0f}};
 
 }  // namespace perfetto
 
diff --git a/test/metrics/android_task_names.out b/test/metrics/android_task_names.out
new file mode 100644
index 0000000..2a931e3
--- /dev/null
+++ b/test/metrics/android_task_names.out
@@ -0,0 +1,13 @@
+android_task_names {
+  process {
+    pid: 1
+    process_name: "init"
+    uid: 0
+  }
+  process {
+    pid: 2
+    process_name: "com.google.android.gm:process"
+    uid: 10001
+    uid_package_name: "com.google.android.gm"
+  }
+}
diff --git a/test/metrics/index b/test/metrics/index
index a6dae8d..575b0cf 100644
--- a/test/metrics/index
+++ b/test/metrics/index
@@ -27,3 +27,5 @@
 
 # Json output
 ../data/memory_counters.pb trace_metadata trace_metadata.json.out
+
+process_uids.textproto android_task_names android_task_names.out
diff --git a/test/metrics/process_uids.textproto b/test/metrics/process_uids.textproto
new file mode 100644
index 0000000..bb6547c
--- /dev/null
+++ b/test/metrics/process_uids.textproto
@@ -0,0 +1,24 @@
+packet {
+  process_tree {
+    processes {
+      pid: 1
+      ppid: 0
+      cmdline: "init"
+      uid: 0
+    }
+    processes {
+      pid: 2
+      ppid: 1
+      cmdline: "com.google.android.gm:process"
+      uid: 10001
+    }
+  }
+}
+packet {
+  packages_list {
+    packages {
+      name: "com.google.android.gm"
+      uid: 10001
+    }
+  }
+}