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/*
* 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 printEnergyMeterInfo(PowerStatsServiceMeterProto proto) {
String csvHeader = new String();
for (int i = 0; i < proto.getChannelCount(); i++) {
ChannelProto energyMeterInfo = proto.getChannel(i);
csvHeader += "Index,Timestamp,Duration," + energyMeterInfo.getId()
+ "/" + energyMeterInfo.getName() + "/" + energyMeterInfo.getSubsystem() + ",";
}
System.out.println(csvHeader);
}
private static void printEnergyMeasurements(PowerStatsServiceMeterProto proto) {
int energyMeterInfoCount = proto.getChannelCount();
if (energyMeterInfoCount > 0) {
int energyMeasurementCount = proto.getEnergyMeasurementCount();
int energyMeasurementSetCount = energyMeasurementCount / energyMeterInfoCount;
for (int i = 0; i < energyMeasurementSetCount; i++) {
String csvRow = new String();
for (int j = 0; j < energyMeterInfoCount; j++) {
EnergyMeasurementProto energyMeasurement =
proto.getEnergyMeasurement(i * energyMeterInfoCount + j);
csvRow += energyMeasurement.getId() + ","
+ energyMeasurement.getTimestampMs() + ","
+ energyMeasurement.getDurationMs() + ","
+ energyMeasurement.getEnergyUws() + ",";
}
System.out.println(csvRow);
}
} else {
System.out.println("Error: energyMeterInfoCount is zero");
}
}
private static void printEnergyConsumer(PowerStatsServiceModelProto proto) {
String csvHeader = new String();
for (int i = 0; i < proto.getEnergyConsumerCount(); i++) {
EnergyConsumerProto energyConsumer = proto.getEnergyConsumer(i);
csvHeader += "Index,Timestamp," + energyConsumer.getId() + "/"
+ energyConsumer.getOrdinal() + "/"
+ energyConsumer.getType() + "/"
+ energyConsumer.getName() + ",";
}
System.out.println(csvHeader);
}
private static void printEnergyConsumerResults(PowerStatsServiceModelProto proto) {
int energyConsumerCount = proto.getEnergyConsumerCount();
if (energyConsumerCount > 0) {
int energyConsumerResultCount = proto.getEnergyConsumerResultCount();
int energyConsumerResultSetCount = energyConsumerResultCount / energyConsumerCount;
for (int i = 0; i < energyConsumerResultSetCount; i++) {
String csvRow = new String();
for (int j = 0; j < energyConsumerCount; j++) {
EnergyConsumerResultProto energyConsumerResult =
proto.getEnergyConsumerResult(i * energyConsumerCount + j);
csvRow += energyConsumerResult.getId() + ","
+ energyConsumerResult.getTimestampMs() + ","
+ energyConsumerResult.getEnergyUws() + ",";
for (int k = 0; k < energyConsumerResult.getAttributionCount(); k++) {
final EnergyConsumerAttributionProto energyConsumerAttribution =
energyConsumerResult.getAttribution(k);
csvRow += energyConsumerAttribution.getUid() + ","
+ energyConsumerAttribution.getEnergyUws() + ",";
}
}
System.out.println(csvRow);
}
} else {
System.out.println("Error: energyConsumerCount is zero");
}
}
private static void printPowerEntityInfo(PowerStatsServiceResidencyProto proto) {
String csvHeader = new String();
for (int i = 0; i < proto.getPowerEntityCount(); i++) {
PowerEntityProto powerEntity = proto.getPowerEntity(i);
csvHeader += powerEntity.getId() + "," + powerEntity.getName() + ",";
for (int j = 0; j < powerEntity.getStatesCount(); j++) {
StateProto state = powerEntity.getStates(j);
csvHeader += state.getId() + "," + state.getName() + ",";
}
}
System.out.println(csvHeader);
}
private static void printStateResidencyResult(PowerStatsServiceResidencyProto proto) {
for (int i = 0; i < proto.getStateResidencyResultCount(); i++) {
String csvRow = new String();
StateResidencyResultProto stateResidencyResult = proto.getStateResidencyResult(i);
csvRow += stateResidencyResult.getId() + ",";
for (int j = 0; j < stateResidencyResult.getStateResidencyDataCount(); j++) {
StateResidencyProto stateResidency = stateResidencyResult.getStateResidencyData(j);
csvRow += stateResidency.getId() + ","
+ stateResidency.getTotalTimeInStateMs() + ","
+ stateResidency.getTotalStateEntryCount() + ","
+ stateResidency.getLastEntryTimestampMs() + ",";
}
System.out.println(csvRow);
}
}
private static void generateCsvFile(String pathToIncidentReport) {
try {
// Print power meter data.
IncidentReportMeterProto irMeterProto =
IncidentReportMeterProto.parseFrom(new FileInputStream(pathToIncidentReport));
if (irMeterProto.hasIncidentReport()) {
PowerStatsServiceMeterProto pssMeterProto = irMeterProto.getIncidentReport();
printEnergyMeterInfo(pssMeterProto);
printEnergyMeasurements(pssMeterProto);
} else {
System.out.println("Meter incident report not found. Exiting.");
}
// Print power model data.
IncidentReportModelProto irModelProto =
IncidentReportModelProto.parseFrom(new FileInputStream(pathToIncidentReport));
if (irModelProto.hasIncidentReport()) {
PowerStatsServiceModelProto pssModelProto = irModelProto.getIncidentReport();
printEnergyConsumer(pssModelProto);
printEnergyConsumerResults(pssModelProto);
} else {
System.out.println("Model incident report not found. Exiting.");
}
// Print state residency data.
IncidentReportResidencyProto irResidencyProto =
IncidentReportResidencyProto.parseFrom(
new FileInputStream(pathToIncidentReport));
if (irResidencyProto.hasIncidentReport()) {
PowerStatsServiceResidencyProto pssResidencyProto =
irResidencyProto.getIncidentReport();
printPowerEntityInfo(pssResidencyProto);
printStateResidencyResult(pssResidencyProto);
} else {
System.out.println("Residency 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);
}
}
}
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