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author | Sunny Goyal <sunnygoyal@google.com> | 2015-06-25 19:35:49 -0700 |
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committer | Sunny Goyal <sunnygoyal@google.com> | 2015-08-19 13:47:11 -0700 |
commit | 322d55622031985c75f7e5db07964b7730a97dac (patch) | |
tree | 2948717f9a032289c45d4eefebe5aa92857101ee /src/com/android/launcher3/testing/MemoryTracker.java | |
parent | 8382fdc735189969ecd97097568e9e495edfe1fb (diff) | |
download | android_packages_apps_Trebuchet-322d55622031985c75f7e5db07964b7730a97dac.tar.gz android_packages_apps_Trebuchet-322d55622031985c75f7e5db07964b7730a97dac.tar.bz2 android_packages_apps_Trebuchet-322d55622031985c75f7e5db07964b7730a97dac.zip |
Moving a few testing classes to a separate package
Change-Id: Ied1c063de3e938695493e4937f554686e0719dad
Diffstat (limited to 'src/com/android/launcher3/testing/MemoryTracker.java')
-rw-r--r-- | src/com/android/launcher3/testing/MemoryTracker.java | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/com/android/launcher3/testing/MemoryTracker.java b/src/com/android/launcher3/testing/MemoryTracker.java new file mode 100644 index 000000000..ed2a3122c --- /dev/null +++ b/src/com/android/launcher3/testing/MemoryTracker.java @@ -0,0 +1,217 @@ +/* + * 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.testing; + +import android.app.ActivityManager; +import android.app.Service; +import android.content.Context; +import android.content.Intent; +import android.os.Binder; +import android.os.Debug; +import android.os.Handler; +import android.os.IBinder; +import android.os.Message; +import android.os.SystemClock; +import android.util.Log; +import android.util.LongSparseArray; + +import com.android.launcher3.util.TestingUtils; + +import java.util.ArrayList; +import java.util.List; + +public class MemoryTracker extends Service { + public static final String TAG = MemoryTracker.class.getSimpleName(); + + private static final long UPDATE_RATE = 5000; + + private static final int MSG_START = 1; + private static final int MSG_STOP = 2; + private static final int MSG_UPDATE = 3; + + public static class ProcessMemInfo { + public int pid; + public String name; + public long startTime; + public long currentPss, currentUss; + public long[] pss = new long[256]; + public long[] uss = new long[256]; + //= new Meminfo[(int) (30 * 60 / (UPDATE_RATE / 1000))]; // 30 minutes + public long max = 1; + public int head = 0; + public ProcessMemInfo(int pid, String name, long start) { + this.pid = pid; + this.name = name; + this.startTime = start; + } + public long getUptime() { + return System.currentTimeMillis() - startTime; + } + }; + public final LongSparseArray<ProcessMemInfo> mData = new LongSparseArray<ProcessMemInfo>(); + public final ArrayList<Long> mPids = new ArrayList<Long>(); + private int[] mPidsArray = new int[0]; + private final Object mLock = new Object(); + + Handler mHandler = new Handler() { + @Override + public void handleMessage(Message m) { + switch (m.what) { + case MSG_START: + mHandler.removeMessages(MSG_UPDATE); + mHandler.sendEmptyMessage(MSG_UPDATE); + break; + case MSG_STOP: + mHandler.removeMessages(MSG_UPDATE); + break; + case MSG_UPDATE: + update(); + mHandler.removeMessages(MSG_UPDATE); + mHandler.sendEmptyMessageDelayed(MSG_UPDATE, UPDATE_RATE); + break; + } + } + }; + + ActivityManager mAm; + + public ProcessMemInfo getMemInfo(int pid) { + return mData.get(pid); + } + + public int[] getTrackedProcesses() { + return mPidsArray; + } + + public void startTrackingProcess(int pid, String name, long start) { + synchronized (mLock) { + final Long lpid = Long.valueOf(pid); + + if (mPids.contains(lpid)) return; + + mPids.add(lpid); + updatePidsArrayL(); + + mData.put(pid, new ProcessMemInfo(pid, name, start)); + } + } + + void updatePidsArrayL() { + final int N = mPids.size(); + mPidsArray = new int[N]; + StringBuffer sb = new StringBuffer("Now tracking processes: "); + for (int i=0; i<N; i++) { + final int p = mPids.get(i).intValue(); + mPidsArray[i] = p; + sb.append(p); sb.append(" "); + } + Log.v(TAG, sb.toString()); + } + + void update() { + synchronized (mLock) { + Debug.MemoryInfo[] dinfos = mAm.getProcessMemoryInfo(mPidsArray); + for (int i=0; i<dinfos.length; i++) { + Debug.MemoryInfo dinfo = dinfos[i]; + if (i > mPids.size()) { + Log.e(TAG, "update: unknown process info received: " + dinfo); + break; + } + final long pid = mPids.get(i).intValue(); + final ProcessMemInfo info = mData.get(pid); + info.head = (info.head+1) % info.pss.length; + info.pss[info.head] = info.currentPss = dinfo.getTotalPss(); + info.uss[info.head] = info.currentUss = dinfo.getTotalPrivateDirty(); + if (info.currentPss > info.max) info.max = info.currentPss; + if (info.currentUss > info.max) info.max = info.currentUss; + // Log.v(TAG, "update: pid " + pid + " pss=" + info.currentPss + " uss=" + info.currentUss); + if (info.currentPss == 0) { + Log.v(TAG, "update: pid " + pid + " has pss=0, it probably died"); + mData.remove(pid); + } + } + for (int i=mPids.size()-1; i>=0; i--) { + final long pid = mPids.get(i).intValue(); + if (mData.get(pid) == null) { + mPids.remove(i); + updatePidsArrayL(); + } + } + } + } + + @Override + public void onCreate() { + mAm = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE); + + // catch up in case we crashed but other processes are still running + List<ActivityManager.RunningServiceInfo> svcs = mAm.getRunningServices(256); + for (ActivityManager.RunningServiceInfo svc : svcs) { + if (svc.service.getPackageName().equals(getPackageName())) { + Log.v(TAG, "discovered running service: " + svc.process + " (" + svc.pid + ")"); + startTrackingProcess(svc.pid, svc.process, + System.currentTimeMillis() - (SystemClock.elapsedRealtime() - svc.activeSince)); + } + } + + List<ActivityManager.RunningAppProcessInfo> procs = mAm.getRunningAppProcesses(); + for (ActivityManager.RunningAppProcessInfo proc : procs) { + final String pname = proc.processName; + if (pname.startsWith(getPackageName())) { + Log.v(TAG, "discovered other running process: " + pname + " (" + proc.pid + ")"); + startTrackingProcess(proc.pid, pname, System.currentTimeMillis()); + } + } + } + + @Override + public void onDestroy() { + mHandler.sendEmptyMessage(MSG_STOP); + } + + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + Log.v(TAG, "Received start id " + startId + ": " + intent); + + if (intent != null) { + if (TestingUtils.ACTION_START_TRACKING.equals(intent.getAction())) { + final int pid = intent.getIntExtra("pid", -1); + final String name = intent.getStringExtra("name"); + final long start = intent.getLongExtra("start", System.currentTimeMillis()); + startTrackingProcess(pid, name, start); + } + } + + mHandler.sendEmptyMessage(MSG_START); + + return START_STICKY; + } + + public class MemoryTrackerInterface extends Binder { + MemoryTracker getService() { + return MemoryTracker.this; + } + } + + private final IBinder mBinder = new MemoryTrackerInterface(); + + public IBinder onBind(Intent intent) { + mHandler.sendEmptyMessage(MSG_START); + + return mBinder; + } +} |