Initial commit of PowerStatsService
Bug: 164465661
Bug: 164466995
Bug: 167280723
Test: Verified PowerStatsService is functional on targets that
have ODPM data.
Change-Id: Ic555b380c566ea26bc2214374f142c5448ea2ee7
diff --git a/tools/powerstats/PowerStatsServiceProtoParser.java b/tools/powerstats/PowerStatsServiceProtoParser.java
new file mode 100644
index 0000000..8ab302a
--- /dev/null
+++ b/tools/powerstats/PowerStatsServiceProtoParser.java
@@ -0,0 +1,95 @@
+/*
+ * 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.
+ */
+
+package com.android.server.powerstats;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+
+/**
+ * This class implements a utility to parse ODPM data out
+ * of incident reports contained in bugreports. The data
+ * is output to STDOUT in csv format.
+ */
+public class PowerStatsServiceProtoParser {
+ private static void printRailInfo(PowerStatsServiceProto proto) {
+ String csvHeader = new String();
+ for (int i = 0; i < proto.getRailInfoCount(); i++) {
+ RailInfoProto railInfo = proto.getRailInfo(i);
+ csvHeader += "Index" + ","
+ + "Timestamp" + ","
+ + railInfo.getRailName() + "/" + railInfo.getSubsysName() + ",";
+ }
+ System.out.println(csvHeader);
+ }
+
+ private static void printEnergyData(PowerStatsServiceProto proto) {
+ int railInfoCount = proto.getRailInfoCount();
+
+ if (railInfoCount > 0) {
+ int energyDataCount = proto.getEnergyDataCount();
+ int energyDataSetCount = energyDataCount / railInfoCount;
+
+ for (int i = 0; i < energyDataSetCount; i++) {
+ String csvRow = new String();
+ for (int j = 0; j < railInfoCount; j++) {
+ EnergyDataProto energyData = proto.getEnergyData(i * railInfoCount + j);
+ csvRow += energyData.getIndex() + ","
+ + energyData.getTimestampMs() + ","
+ + energyData.getEnergyUws() + ",";
+ }
+ System.out.println(csvRow);
+ }
+ } else {
+ System.out.println("Error: railInfoCount is zero");
+ }
+ }
+
+ private static void generateCsvFile(String pathToIncidentReport) {
+ try {
+ IncidentReportProto irProto =
+ IncidentReportProto.parseFrom(new FileInputStream(pathToIncidentReport));
+
+ if (irProto.hasIncidentReport()) {
+ PowerStatsServiceProto pssProto = irProto.getIncidentReport();
+ printRailInfo(pssProto);
+ printEnergyData(pssProto);
+ } else {
+ System.out.println("Incident report not found. Exiting.");
+ }
+ } catch (IOException e) {
+ System.out.println("Unable to open incident report file: " + pathToIncidentReport);
+ System.out.println(e);
+ }
+ }
+
+ /**
+ * This is the entry point to parse the ODPM data out of incident reports.
+ * It requires one argument which is the path to the incident_report.proto
+ * file captured in a bugreport.
+ *
+ * @param args Path to incident_report.proto passed in from command line.
+ */
+ public static void main(String[] args) {
+ if (args.length > 0) {
+ generateCsvFile(args[0]);
+ } else {
+ System.err.println("Usage: PowerStatsServiceProtoParser <incident_report.proto>");
+ System.err.println("Missing path to incident_report.proto. Exiting.");
+ System.exit(1);
+ }
+ }
+}