pwrstats_util: Generate statistics using protobuf

Bug: 138745474
Test: adb shell pwrstats_util
Change-Id: I2845d9b77c07d2df39017b983b370481a714d08d

1 files changed, 50 insertions, 0 deletions

diff --git a/pwrstats_util/pwrstatsutil.proto b/pwrstats_util/pwrstatsutil.proto
new file mode 100644
index 00000000..ee708a61
--- /dev/null
+++ b/pwrstats_util/pwrstatsutil.proto
@@ -0,0 +1,50 @@
+/*
+ * 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 = "proto3";
+
+option java_package = "com.google.android.pwrstatsutil";
+package com.google.android.pwrstatsutil;
+
+
+message PowerStatistic {
+    oneof power_stat {
+        StateResidency power_entity_state_residency = 1;
+        RailEnergy rail_energy = 2;
+        StateResidency c_state_residency = 3;
+        // add new power_stats here
+    }
+}
+
+// Utility message for items that provide a state residency in milliseconds
+message StateResidency {
+    message Residency {
+        string entity_name = 1;
+        string state_name = 2;
+        uint64 time_ms = 3;
+    }
+
+    repeated Residency residency = 1;
+}
+
+// Rail energy data in uWs
+message RailEnergy {
+    message RailEntry {
+        string rail_name = 1;
+        uint64 energy_uws = 2;
+    }
+
+    repeated RailEntry entry = 1;
+}