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/*
* Copyright (C) 2013 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.launcher3;
import android.app.Activity;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.*;
import android.util.Log;
import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
public class MemoryDumpActivity extends Activity {
private static final String TAG = "MemoryDumpActivity";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public static String zipUp(ArrayList<String> paths) {
final int BUFSIZ = 256 * 1024; // 256K
final byte[] buf = new byte[BUFSIZ];
final String zipfilePath = String.format("%s/hprof-%d.zip",
Environment.getExternalStorageDirectory(),
System.currentTimeMillis());
ZipOutputStream zos = null;
try {
OutputStream os = new FileOutputStream(zipfilePath);
zos = new ZipOutputStream(new BufferedOutputStream(os));
for (String filename : paths) {
InputStream is = null;
try {
is = new BufferedInputStream(new FileInputStream(filename));
ZipEntry entry = new ZipEntry(filename);
zos.putNextEntry(entry);
int len;
while ( 0 < (len = is.read(buf, 0, BUFSIZ)) ) {
zos.write(buf, 0, len);
}
zos.closeEntry();
} finally {
is.close();
}
}
} catch (IOException e) {
Log.e(TAG, "error zipping up profile data", e);
return null;
} finally {
if (zos != null) {
try {
zos.close();
} catch (IOException e) {
// ugh, whatever
}
}
}
return zipfilePath;
}
public static void dumpHprofAndShare(final Context context, MemoryTracker tracker) {
final StringBuilder body = new StringBuilder();
final ArrayList<String> paths = new ArrayList<String>();
final int myPid = android.os.Process.myPid();
final int[] pids_orig = tracker.getTrackedProcesses();
final int[] pids_copy = Arrays.copyOf(pids_orig, pids_orig.length);
for (int pid : pids_copy) {
MemoryTracker.ProcessMemInfo info = tracker.getMemInfo(pid);
if (info != null) {
body.append("pid ").append(pid).append(":")
.append(" up=").append(info.getUptime())
.append(" pss=").append(info.currentPss)
.append(" uss=").append(info.currentUss)
.append("\n");
}
if (pid == myPid) {
final String path = String.format("%s/launcher-memory-%d.ahprof",
Environment.getExternalStorageDirectory(),
pid);
Log.v(TAG, "Dumping memory info for process " + pid + " to " + path);
try {
android.os.Debug.dumpHprofData(path); // will block
} catch (IOException e) {
Log.e(TAG, "error dumping memory:", e);
}
paths.add(path);
}
}
String zipfile = zipUp(paths);
if (zipfile == null) return;
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("application/zip");
final PackageManager pm = context.getPackageManager();
shareIntent.putExtra(Intent.EXTRA_SUBJECT, String.format("Launcher memory dump (%d)", myPid));
String appVersion;
try {
appVersion = pm.getPackageInfo(context.getPackageName(), 0).versionName;
} catch (PackageManager.NameNotFoundException e) {
appVersion = "?";
}
body.append("\nApp version: ").append(appVersion).append("\nBuild: ").append(Build.DISPLAY).append("\n");
shareIntent.putExtra(Intent.EXTRA_TEXT, body.toString());
final File pathFile = new File(zipfile);
final Uri pathUri = Uri.fromFile(pathFile);
shareIntent.putExtra(Intent.EXTRA_STREAM, pathUri);
context.startActivity(shareIntent);
}
@Override
public void onStart() {
super.onStart();
startDump(this, new Runnable() {
@Override
public void run() {
finish();
}
});
}
public static void startDump(final Context context) {
startDump(context, null);
}
public static void startDump(final Context context, final Runnable andThen) {
final ServiceConnection connection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
Log.v(TAG, "service connected, dumping...");
dumpHprofAndShare(context,
((MemoryTracker.MemoryTrackerInterface) service).getService());
context.unbindService(this);
if (andThen != null) andThen.run();
}
public void onServiceDisconnected(ComponentName className) {
}
};
Log.v(TAG, "attempting to bind to memory tracker");
context.bindService(new Intent(context, MemoryTracker.class),
connection, Context.BIND_AUTO_CREATE);
}
}
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