81 lines
3.3 KiB
Java
81 lines
3.3 KiB
Java
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.os.health;
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/**
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* Keys for {@link HealthStats} returned from
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* {@link HealthStats#getStats(int) HealthStats.getStats(int)} with the
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* {@link UidHealthStats#STATS_PIDS UidHealthStats.STATS_PIDS} key.
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* <p>
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* The values coming from PidHealthStats are a little bit different from
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* the other HealthStats values. These values are not aggregate or historical
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* values, but instead live values from when the snapshot is taken. These
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* tend to be more useful in debugging rogue processes than in gathering
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* aggregate metrics across the fleet of devices.
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*/
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public final class PidHealthStats {
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private PidHealthStats() {
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}
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/**
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* Key for a measurement of the current nesting depth of wakelocks for this process.
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* That is to say, the number of times a nested wakelock has been started but not
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* stopped. A high number here indicates an improperly paired wakelock acquire/release
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* combination.
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* <p>
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* More details on the individual wake locks is available
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* by getting the {@link UidHealthStats#TIMERS_WAKELOCKS_FULL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_PARTIAL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_WINDOW}
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* and {@link UidHealthStats#TIMERS_WAKELOCKS_DRAW} keys.
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*/
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@HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
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public static final int MEASUREMENT_WAKE_NESTING_COUNT = HealthKeys.BASE_PID + 1;
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/**
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* Key for a measurement of the total number of milleseconds that this process
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* has held a wake lock.
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* <p>
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* More details on the individual wake locks is available
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* by getting the {@link UidHealthStats#TIMERS_WAKELOCKS_FULL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_PARTIAL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_WINDOW}
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* and {@link UidHealthStats#TIMERS_WAKELOCKS_DRAW} keys.
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*/
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@HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
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public static final int MEASUREMENT_WAKE_SUM_MS = HealthKeys.BASE_PID + 2;
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/**
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* Key for a measurement of the time in the {@link android.os.SystemClock#elapsedRealtime}
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* timebase that a wakelock was first acquired in this process.
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* <p>
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* More details on the individual wake locks is available
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* by getting the {@link UidHealthStats#TIMERS_WAKELOCKS_FULL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_PARTIAL},
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* {@link UidHealthStats#TIMERS_WAKELOCKS_WINDOW}
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* and {@link UidHealthStats#TIMERS_WAKELOCKS_DRAW} keys.
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*/
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@HealthKeys.Constant(type=HealthKeys.TYPE_MEASUREMENT)
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public static final int MEASUREMENT_WAKE_START_MS = HealthKeys.BASE_PID + 3;
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/**
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* @hide
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*/
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public static final HealthKeys.Constants CONSTANTS = new HealthKeys.Constants(PidHealthStats.class);
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}
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