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/*
* Copyright (C) 2014 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.systemui.doze;
import android.content.Context;
import android.os.Build;
import android.util.Log;
import android.util.TimeUtils;
import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.keyguard.KeyguardUpdateMonitorCallback;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
public class DozeLog {
private static final String TAG = "DozeLog";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private static final boolean ENABLED = true;
private static final int SIZE = Build.IS_DEBUGGABLE ? 400 : 50;
private static final SimpleDateFormat FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
private static final int PULSE_REASONS = 4;
public static final int PULSE_REASON_INTENT = 0;
public static final int PULSE_REASON_NOTIFICATION = 1;
public static final int PULSE_REASON_SENSOR_SIGMOTION = 2;
public static final int PULSE_REASON_SENSOR_PICKUP = 3;
private static long[] sTimes;
private static String[] sMessages;
private static int sPosition;
private static int sCount;
private static boolean sPulsing;
private static long sSince;
private static SummaryStats sPickupPulseNearVibrationStats;
private static SummaryStats sPickupPulseNotNearVibrationStats;
private static SummaryStats sNotificationPulseStats;
private static SummaryStats sScreenOnPulsingStats;
private static SummaryStats sScreenOnNotPulsingStats;
private static SummaryStats sEmergencyCallStats;
private static SummaryStats[][] sProxStats; // [reason][near/far]
public static void tracePickupPulse(boolean withinVibrationThreshold) {
if (!ENABLED) return;
log("pickupPulse withinVibrationThreshold=" + withinVibrationThreshold);
(withinVibrationThreshold ? sPickupPulseNearVibrationStats
: sPickupPulseNotNearVibrationStats).append();
}
public static void tracePulseStart(int reason) {
if (!ENABLED) return;
sPulsing = true;
log("pulseStart reason=" + pulseReasonToString(reason));
}
public static void tracePulseFinish() {
if (!ENABLED) return;
sPulsing = false;
log("pulseFinish");
}
public static void traceNotificationPulse(long instance) {
if (!ENABLED) return;
log("notificationPulse instance=" + instance);
sNotificationPulseStats.append();
}
public static void traceDozing(Context context, boolean dozing) {
if (!ENABLED) return;
sPulsing = false;
synchronized (DozeLog.class) {
if (dozing && sMessages == null) {
sTimes = new long[SIZE];
sMessages = new String[SIZE];
sSince = System.currentTimeMillis();
sPickupPulseNearVibrationStats = new SummaryStats();
sPickupPulseNotNearVibrationStats = new SummaryStats();
sNotificationPulseStats = new SummaryStats();
sScreenOnPulsingStats = new SummaryStats();
sScreenOnNotPulsingStats = new SummaryStats();
sEmergencyCallStats = new SummaryStats();
sProxStats = new SummaryStats[PULSE_REASONS][2];
for (int i = 0; i < PULSE_REASONS; i++) {
sProxStats[i][0] = new SummaryStats();
sProxStats[i][1] = new SummaryStats();
}
log("init");
KeyguardUpdateMonitor.getInstance(context).registerCallback(sKeyguardCallback);
}
}
log("dozing " + dozing);
}
public static void traceFling(boolean expand, boolean aboveThreshold, boolean thresholdNeeded,
boolean screenOnFromTouch) {
if (!ENABLED) return;
log("fling expand=" + expand + " aboveThreshold=" + aboveThreshold + " thresholdNeeded="
+ thresholdNeeded + " screenOnFromTouch=" + screenOnFromTouch);
}
public static void traceEmergencyCall() {
if (!ENABLED) return;
log("emergencyCall");
sEmergencyCallStats.append();
}
public static void traceKeyguardBouncerChanged(boolean showing) {
if (!ENABLED) return;
log("bouncer " + showing);
}
public static void traceScreenOn() {
if (!ENABLED) return;
log("screenOn pulsing=" + sPulsing);
(sPulsing ? sScreenOnPulsingStats : sScreenOnNotPulsingStats).append();
sPulsing = false;
}
public static void traceScreenOff(int why) {
if (!ENABLED) return;
log("screenOff why=" + why);
}
public static void traceKeyguard(boolean showing) {
if (!ENABLED) return;
log("keyguard " + showing);
if (!showing) {
sPulsing = false;
}
}
public static void traceProximityResult(boolean near, long millis, int pulseReason) {
if (!ENABLED) return;
log("proximityResult reason=" + pulseReasonToString(pulseReason) + " near=" + near
+ " millis=" + millis);
sProxStats[pulseReason][near ? 0 : 1].append();
}
private static String pulseReasonToString(int pulseReason) {
switch (pulseReason) {
case PULSE_REASON_INTENT: return "intent";
case PULSE_REASON_NOTIFICATION: return "notification";
case PULSE_REASON_SENSOR_SIGMOTION: return "sigmotion";
case PULSE_REASON_SENSOR_PICKUP: return "pickup";
default: throw new IllegalArgumentException("bad reason: " + pulseReason);
}
}
public static void dump(PrintWriter pw) {
synchronized (DozeLog.class) {
if (sMessages == null) return;
pw.println(" Doze log:");
final int start = (sPosition - sCount + SIZE) % SIZE;
for (int i = 0; i < sCount; i++) {
final int j = (start + i) % SIZE;
pw.print(" ");
pw.print(FORMAT.format(new Date(sTimes[j])));
pw.print(' ');
pw.println(sMessages[j]);
}
pw.print(" Doze summary stats (for ");
TimeUtils.formatDuration(System.currentTimeMillis() - sSince, pw);
pw.println("):");
sPickupPulseNearVibrationStats.dump(pw, "Pickup pulse (near vibration)");
sPickupPulseNotNearVibrationStats.dump(pw, "Pickup pulse (not near vibration)");
sNotificationPulseStats.dump(pw, "Notification pulse");
sScreenOnPulsingStats.dump(pw, "Screen on (pulsing)");
sScreenOnNotPulsingStats.dump(pw, "Screen on (not pulsing)");
sEmergencyCallStats.dump(pw, "Emergency call");
for (int i = 0; i < PULSE_REASONS; i++) {
final String reason = pulseReasonToString(i);
sProxStats[i][0].dump(pw, "Proximity near (" + reason + ")");
sProxStats[i][1].dump(pw, "Proximity far (" + reason + ")");
}
}
}
private static void log(String msg) {
synchronized (DozeLog.class) {
if (sMessages == null) return;
sTimes[sPosition] = System.currentTimeMillis();
sMessages[sPosition] = msg;
sPosition = (sPosition + 1) % SIZE;
sCount = Math.min(sCount + 1, SIZE);
}
if (DEBUG) Log.d(TAG, msg);
}
private static class SummaryStats {
private int mCount;
public void append() {
mCount++;
}
public void dump(PrintWriter pw, String type) {
if (mCount == 0) return;
pw.print(" ");
pw.print(type);
pw.print(": n=");
pw.print(mCount);
pw.print(" (");
final double perHr = (double) mCount / (System.currentTimeMillis() - sSince)
* 1000 * 60 * 60;
pw.print(perHr);
pw.print("/hr)");
pw.println();
}
}
private static final KeyguardUpdateMonitorCallback sKeyguardCallback =
new KeyguardUpdateMonitorCallback() {
@Override
public void onEmergencyCallAction() {
traceEmergencyCall();
}
@Override
public void onKeyguardBouncerChanged(boolean bouncer) {
traceKeyguardBouncerChanged(bouncer);
}
@Override
public void onScreenTurnedOn() {
traceScreenOn();
}
@Override
public void onScreenTurnedOff(int why) {
traceScreenOff(why);
}
@Override
public void onKeyguardVisibilityChanged(boolean showing) {
traceKeyguard(showing);
}
};
}
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