diff options
Diffstat (limited to 'eventanalyzer/src/com/android/eventanalyzer/EventAnalyzer.java')
| -rw-r--r-- | eventanalyzer/src/com/android/eventanalyzer/EventAnalyzer.java | 488 |
1 files changed, 488 insertions, 0 deletions
diff --git a/eventanalyzer/src/com/android/eventanalyzer/EventAnalyzer.java b/eventanalyzer/src/com/android/eventanalyzer/EventAnalyzer.java new file mode 100644 index 000000000..691bf0c8d --- /dev/null +++ b/eventanalyzer/src/com/android/eventanalyzer/EventAnalyzer.java @@ -0,0 +1,488 @@ +/* + * Copyright (C) 2008 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.eventanalyzer; + +import com.android.ddmlib.AdbCommandRejectedException; +import com.android.ddmlib.AndroidDebugBridge; +import com.android.ddmlib.IDevice; +import com.android.ddmlib.Log; +import com.android.ddmlib.TimeoutException; +import com.android.ddmlib.Log.ILogOutput; +import com.android.ddmlib.Log.LogLevel; +import com.android.ddmlib.log.EventContainer; +import com.android.ddmlib.log.EventLogParser; +import com.android.ddmlib.log.InvalidTypeException; +import com.android.ddmlib.log.LogReceiver; +import com.android.ddmlib.log.LogReceiver.ILogListener; +import com.android.ddmlib.log.LogReceiver.LogEntry; + +import java.io.BufferedReader; +import java.io.BufferedWriter; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileWriter; +import java.io.FilenameFilter; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Set; +import java.util.TreeMap; + +/** + * Connects to a device using ddmlib and analyze its event log. + */ +public class EventAnalyzer implements ILogListener { + + private final static int TAG_ACTIVITY_LAUNCH_TIME = 30009; + private final static char DATA_SEPARATOR = ','; + + private final static String CVS_EXT = ".csv"; + private final static String TAG_FILE_EXT = ".tag"; //$NON-NLS-1$ + + private EventLogParser mParser; + private TreeMap<String, ArrayList<Long>> mLaunchMap = new TreeMap<String, ArrayList<Long>>(); + + String mInputTextFile = null; + String mInputBinaryFile = null; + String mInputDevice = null; + String mInputFolder = null; + String mAlternateTagFile = null; + String mOutputFile = null; + + public static void main(String[] args) { + new EventAnalyzer().run(args); + } + + private void run(String[] args) { + if (args.length == 0) { + printUsageAndQuit(); + } + + int index = 0; + do { + String argument = args[index++]; + + if ("-s".equals(argument)) { + checkInputValidity("-s"); + + if (index == args.length) { + printUsageAndQuit(); + } + + mInputDevice = args[index++]; + } else if ("-fb".equals(argument)) { + checkInputValidity("-fb"); + + if (index == args.length) { + printUsageAndQuit(); + } + + mInputBinaryFile = args[index++]; + } else if ("-ft".equals(argument)) { + checkInputValidity("-ft"); + + if (index == args.length) { + printUsageAndQuit(); + } + + mInputTextFile = args[index++]; + } else if ("-F".equals(argument)) { + checkInputValidity("-F"); + + if (index == args.length) { + printUsageAndQuit(); + } + + mInputFolder = args[index++]; + } else if ("-t".equals(argument)) { + if (index == args.length) { + printUsageAndQuit(); + } + + mAlternateTagFile = args[index++]; + } else { + // get the filepath and break. + mOutputFile = argument; + + // should not be any other device. + if (index < args.length) { + printAndExit("Too many arguments!", false /* terminate */); + } + } + } while (index < args.length); + + if ((mInputTextFile == null && mInputBinaryFile == null && mInputFolder == null && + mInputDevice == null)) { + printUsageAndQuit(); + } + + File outputParent = new File(mOutputFile).getParentFile(); + if (outputParent == null || outputParent.isDirectory() == false) { + printAndExit(String.format("%1$s is not a valid ouput file", mOutputFile), + false /* terminate */); + } + + // redirect the log output to /dev/null + Log.setLogOutput(new ILogOutput() { + public void printAndPromptLog(LogLevel logLevel, String tag, String message) { + // pass + } + + public void printLog(LogLevel logLevel, String tag, String message) { + // pass + } + }); + + try { + if (mInputBinaryFile != null) { + parseBinaryLogFile(); + } else if (mInputTextFile != null) { + parseTextLogFile(mInputTextFile); + } else if (mInputFolder != null) { + parseFolder(mInputFolder); + } else if (mInputDevice != null) { + parseLogFromDevice(); + } + + // analyze the data gathered by the parser methods + analyzeData(); + } catch (Exception e) { + e.printStackTrace(); + } + } + + /** + * Parses a binary event log file located at {@link #mInputBinaryFile}. + * @throws IOException + */ + private void parseBinaryLogFile() throws IOException { + mParser = new EventLogParser(); + + String tagFile = mInputBinaryFile + TAG_FILE_EXT; + if (mParser.init(tagFile) == false) { + // if we have an alternate location + if (mAlternateTagFile != null) { + if (mParser.init(mAlternateTagFile) == false) { + printAndExit("Failed to get event tags from " + mAlternateTagFile, + false /* terminate*/); + } + } else { + printAndExit("Failed to get event tags from " + tagFile, false /* terminate*/); + } + } + + LogReceiver receiver = new LogReceiver(this); + + byte[] buffer = new byte[256]; + + FileInputStream fis = new FileInputStream(mInputBinaryFile); + + int count; + while ((count = fis.read(buffer)) != -1) { + receiver.parseNewData(buffer, 0, count); + } + } + + /** + * Parse a text Log file. + * @param filePath the location of the file. + * @throws IOException + */ + private void parseTextLogFile(String filePath) throws IOException { + mParser = new EventLogParser(); + + String tagFile = filePath + TAG_FILE_EXT; + if (mParser.init(tagFile) == false) { + // if we have an alternate location + if (mAlternateTagFile != null) { + if (mParser.init(mAlternateTagFile) == false) { + printAndExit("Failed to get event tags from " + mAlternateTagFile, + false /* terminate*/); + } + } else { + printAndExit("Failed to get event tags from " + tagFile, false /* terminate*/); + } + } + + // read the lines from the file and process them. + BufferedReader reader = new BufferedReader( + new InputStreamReader(new FileInputStream(filePath))); + + String line; + while ((line = reader.readLine()) != null) { + processEvent(mParser.parse(line)); + } + } + + private void parseLogFromDevice() throws IOException, TimeoutException, + AdbCommandRejectedException { + // init the lib + AndroidDebugBridge.init(false /* debugger support */); + + try { + AndroidDebugBridge bridge = AndroidDebugBridge.createBridge(); + + // we can't just ask for the device list right away, as the internal thread getting + // them from ADB may not be done getting the first list. + // Since we don't really want getDevices() to be blocking, we wait here manually. + int count = 0; + while (bridge.hasInitialDeviceList() == false) { + try { + Thread.sleep(100); + count++; + } catch (InterruptedException e) { + // pass + } + + // let's not wait > 10 sec. + if (count > 100) { + printAndExit("Timeout getting device list!", true /* terminate*/); + } + } + + // now get the devices + IDevice[] devices = bridge.getDevices(); + + for (IDevice device : devices) { + if (device.getSerialNumber().equals(mInputDevice)) { + grabLogFrom(device); + return; + } + } + + System.err.println("Could not find " + mInputDevice); + } finally { + AndroidDebugBridge.terminate(); + } + } + + /** + * Parses the log files located in the folder, and its sub-folders. + * @param folderPath the path to the folder. + */ + private void parseFolder(String folderPath) { + File f = new File(folderPath); + if (f.isDirectory() == false) { + printAndExit(String.format("%1$s is not a valid folder", folderPath), + false /* terminate */); + } + + String[] files = f.list(new FilenameFilter() { + public boolean accept(File dir, String name) { + name = name.toLowerCase(); + return name.endsWith(".tag") == false; + } + }); + + for (String file : files) { + try { + f = new File(folderPath + File.separator + file); + if (f.isDirectory()) { + parseFolder(f.getAbsolutePath()); + } else { + parseTextLogFile(f.getAbsolutePath()); + } + } catch (IOException e) { + // ignore this file. + } + } + } + + private void grabLogFrom(IDevice device) throws IOException, TimeoutException, + AdbCommandRejectedException { + mParser = new EventLogParser(); + if (mParser.init(device) == false) { + printAndExit("Failed to get event-log-tags from " + device.getSerialNumber(), + true /* terminate*/); + } + + LogReceiver receiver = new LogReceiver(this); + + device.runEventLogService(receiver); + } + + /** + * Analyze the data and writes it to {@link #mOutputFile} + * @throws IOException + */ + private void analyzeData() throws IOException { + BufferedWriter writer = null; + try { + // make sure the file name has the proper extension. + if (mOutputFile.toLowerCase().endsWith(CVS_EXT) == false) { + mOutputFile = mOutputFile + CVS_EXT; + } + + writer = new BufferedWriter(new FileWriter(mOutputFile)); + StringBuilder builder = new StringBuilder(); + + // write the list of launch start. One column per activity. + Set<String> activities = mLaunchMap.keySet(); + + // write the column headers. + for (String activity : activities) { + builder.append(activity).append(DATA_SEPARATOR); + } + writer.write(builder.append('\n').toString()); + + // loop on the activities and write their values. + boolean moreValues = true; + int index = 0; + while (moreValues) { + moreValues = false; + builder.setLength(0); + + for (String activity : activities) { + // get the activity list. + ArrayList<Long> list = mLaunchMap.get(activity); + if (index < list.size()) { + moreValues = true; + builder.append(list.get(index).longValue()).append(DATA_SEPARATOR); + } else { + builder.append(DATA_SEPARATOR); + } + } + + // write the line. + if (moreValues) { + writer.write(builder.append('\n').toString()); + } + + index++; + } + + // write per-activity stats. + for (String activity : activities) { + builder.setLength(0); + builder.append(activity).append(DATA_SEPARATOR); + + // get the activity list. + ArrayList<Long> list = mLaunchMap.get(activity); + + // sort the list + Collections.sort(list); + + // write min/max + builder.append(list.get(0).longValue()).append(DATA_SEPARATOR); + builder.append(list.get(list.size()-1).longValue()).append(DATA_SEPARATOR); + + // write median value + builder.append(list.get(list.size()/2).longValue()).append(DATA_SEPARATOR); + + // compute and write average + long total = 0; // despite being encoded on a long, the values are low enough that + // a Long should be enough to compute the total + for (Long value : list) { + total += value.longValue(); + } + builder.append(total / list.size()).append(DATA_SEPARATOR); + + // finally write the data. + writer.write(builder.append('\n').toString()); + } + } finally { + writer.close(); + } + } + + /* + * (non-Javadoc) + * @see com.android.ddmlib.log.LogReceiver.ILogListener#newData(byte[], int, int) + */ + public void newData(byte[] data, int offset, int length) { + // we ignore raw data. New entries are processed in #newEntry(LogEntry) + } + + /* + * (non-Javadoc) + * @see com.android.ddmlib.log.LogReceiver.ILogListener#newEntry(com.android.ddmlib.log.LogReceiver.LogEntry) + */ + public void newEntry(LogEntry entry) { + // parse and process the entry data. + processEvent(mParser.parse(entry)); + } + + private void processEvent(EventContainer event) { + if (event != null && event.mTag == TAG_ACTIVITY_LAUNCH_TIME) { + // get the activity name + try { + String name = event.getValueAsString(0); + + // get the launch time + Object value = event.getValue(1); + if (value instanceof Long) { + addLaunchTime(name, (Long)value); + } + + } catch (InvalidTypeException e) { + // Couldn't get the name as a string... + // Ignore this event. + } + } + } + + private void addLaunchTime(String name, Long value) { + ArrayList<Long> list = mLaunchMap.get(name); + + if (list == null) { + list = new ArrayList<Long>(); + mLaunchMap.put(name, list); + } + + list.add(value); + } + + private void checkInputValidity(String option) { + if (mInputTextFile != null || mInputBinaryFile != null) { + printAndExit(String.format("ERROR: %1$s cannot be used with an input file.", option), + false /* terminate */); + } else if (mInputFolder != null) { + printAndExit(String.format("ERROR: %1$s cannot be used with an input file.", option), + false /* terminate */); + } else if (mInputDevice != null) { + printAndExit(String.format("ERROR: %1$s cannot be used with an input device serial number.", + option), false /* terminate */); + } + } + + private static void printUsageAndQuit() { + // 80 cols marker: 01234567890123456789012345678901234567890123456789012345678901234567890123456789 + System.out.println("Usage:"); + System.out.println(" eventanalyzer [-t <TAG_FILE>] <SOURCE> <OUTPUT>"); + System.out.println(""); + System.out.println("Possible sources:"); + System.out.println(" -fb <file> The path to a binary event log, gathered by dumpeventlog"); + System.out.println(" -ft <file> The path to a text event log, gathered by adb logcat -b events"); + System.out.println(" -F <folder> The path to a folder containing multiple text log files."); + System.out.println(" -s <serial> The serial number of the Device to grab the event log from."); + System.out.println("Options:"); + System.out.println(" -t <file> The path to tag file to use in case the one associated with"); + System.out.println(" the source is missing"); + + System.exit(1); + } + + + private static void printAndExit(String message, boolean terminate) { + System.out.println(message); + if (terminate) { + AndroidDebugBridge.terminate(); + } + System.exit(1); + } +} |