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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.server.am;
import android.os.SystemClock;
import android.util.ArrayMap;
import android.util.SparseArray;
import android.util.TimeUtils;
import com.android.server.ProcessMap;
import java.io.FileDescriptor;
import java.io.PrintWriter;
public final class ProcessTracker {
public static final int STATE_NOTHING = -1;
public static final int STATE_TOP = 0;
public static final int STATE_FOREGROUND = 1;
public static final int STATE_VISIBLE = 2;
public static final int STATE_PERCEPTIBLE = 3;
public static final int STATE_BACKUP = 4;
public static final int STATE_SERVICE = 5;
public static final int STATE_HOME = 6;
public static final int STATE_PREVIOUS = 7;
public static final int STATE_CACHED = 8;
public static final int STATE_SCREEN_ON_MOD = STATE_CACHED+1;
public static final int STATE_COUNT = STATE_SCREEN_ON_MOD*2;
static String[] STATE_NAMES = new String[] {
"Top ", "Foreground ", "Visible ", "Perceptible", "Backup ",
"Service ", "Home ", "Previous ", "Cached "
};
public static final class ProcessState {
final long[] mTimes = new long[STATE_COUNT];
int mCurState = STATE_NOTHING;
long mStartTime;
public void setState(int state, long now) {
if (mCurState != STATE_NOTHING) {
mTimes[mCurState] += now - mStartTime;
}
mCurState = state;
mStartTime = now;
}
}
static final class State {
final ProcessMap<ProcessState> mProcesses = new ProcessMap<ProcessState>();
}
final State mState = new State();
public ProcessTracker() {
}
public ProcessState getStateLocked(String name, int uid) {
ProcessState ps = mState.mProcesses.get(name, uid);
if (ps != null) {
return ps;
}
ps = new ProcessState();
mState.mProcesses.put(name, uid, ps);
return ps;
}
public void dumpLocked(FileDescriptor fd, PrintWriter pw, String[] args) {
final long now = SystemClock.uptimeMillis();
ArrayMap<String, SparseArray<ProcessState>> pmap = mState.mProcesses.getMap();
for (int ip=0; ip<pmap.size(); ip++) {
String procName = pmap.keyAt(ip);
SparseArray<ProcessState> procs = pmap.valueAt(ip);
for (int iu=0; iu<procs.size(); iu++) {
int uid = procs.keyAt(iu);
ProcessState state = procs.valueAt(iu);
pw.print(" "); pw.print(procName); pw.print(" / "); pw.print(uid); pw.println(":");
long totalTime = 0;
for (int is=0; is<STATE_NAMES.length; is++) {
long time = state.mTimes[is];
if (state.mCurState == is) {
time += now - state.mStartTime;
}
if (time != 0) {
pw.print(" "); pw.print(STATE_NAMES[is]); pw.print(": ");
TimeUtils.formatDuration(time, pw); pw.println();
totalTime += time;
}
}
if (totalTime != 0) {
pw.print(" TOTAL : ");
TimeUtils.formatDuration(totalTime, pw);
pw.println();
}
}
}
}
}
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