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/*
* Copyright (C) 2017 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 android.net.metrics;
import android.os.Process;
import android.os.SystemClock;
/**
* An event logged per interface and that aggregates WakeupEvents for that interface.
* {@hide}
*/
public class WakeupStats {
private static final int NO_UID = -1;
public final long creationTimeMs = SystemClock.elapsedRealtime();
public final String iface;
public long totalWakeups = 0;
public long rootWakeups = 0;
public long systemWakeups = 0;
public long nonApplicationWakeups = 0;
public long applicationWakeups = 0;
public long noUidWakeups = 0;
public long durationSec = 0;
public WakeupStats(String iface) {
this.iface = iface;
}
/** Update durationSec with current time. */
public void updateDuration() {
durationSec = (SystemClock.elapsedRealtime() - creationTimeMs) / 1000;
}
/** Update wakeup counters for the given WakeupEvent. */
public void countEvent(WakeupEvent ev) {
totalWakeups++;
switch (ev.uid) {
case Process.ROOT_UID:
rootWakeups++;
break;
case Process.SYSTEM_UID:
systemWakeups++;
break;
case NO_UID:
noUidWakeups++;
break;
default:
if (ev.uid >= Process.FIRST_APPLICATION_UID) {
applicationWakeups++;
} else {
nonApplicationWakeups++;
}
break;
}
}
@Override
public String toString() {
updateDuration();
return new StringBuilder()
.append("WakeupStats(").append(iface)
.append(", total: ").append(totalWakeups)
.append(", root: ").append(rootWakeups)
.append(", system: ").append(systemWakeups)
.append(", apps: ").append(applicationWakeups)
.append(", non-apps: ").append(nonApplicationWakeups)
.append(", no uid: ").append(noUidWakeups)
.append(", ").append(durationSec).append("s)")
.toString();
}
}
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