BatteryStats.java revision 99d0452ddc0a0435030a462bda9f4d57b58bad9a
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.os;
18
19import java.io.PrintWriter;
20import java.util.Formatter;
21import java.util.Map;
22
23import android.util.Log;
24import android.util.Printer;
25import android.util.SparseArray;
26import android.util.TimeUtils;
27
28/**
29 * A class providing access to battery usage statistics, including information on
30 * wakelocks, processes, packages, and services.  All times are represented in microseconds
31 * except where indicated otherwise.
32 * @hide
33 */
34public abstract class BatteryStats implements Parcelable {
35
36    private static final boolean LOCAL_LOGV = false;
37
38    /**
39     * A constant indicating a partial wake lock timer.
40     */
41    public static final int WAKE_TYPE_PARTIAL = 0;
42
43    /**
44     * A constant indicating a full wake lock timer.
45     */
46    public static final int WAKE_TYPE_FULL = 1;
47
48    /**
49     * A constant indicating a window wake lock timer.
50     */
51    public static final int WAKE_TYPE_WINDOW = 2;
52
53    /**
54     * A constant indicating a sensor timer.
55     */
56    public static final int SENSOR = 3;
57
58    /**
59     * A constant indicating a a wifi turn on timer
60     */
61    public static final int WIFI_TURNED_ON = 4;
62
63    /**
64     * A constant indicating a full wifi lock timer
65     */
66    public static final int FULL_WIFI_LOCK = 5;
67
68    /**
69     * A constant indicating a scan wifi lock timer
70     */
71    public static final int SCAN_WIFI_LOCK = 6;
72
73     /**
74      * A constant indicating a wifi multicast timer
75      */
76     public static final int WIFI_MULTICAST_ENABLED = 7;
77
78    /**
79     * A constant indicating an audio turn on timer
80     */
81    public static final int AUDIO_TURNED_ON = 7;
82
83    /**
84     * A constant indicating a video turn on timer
85     */
86    public static final int VIDEO_TURNED_ON = 8;
87
88    /**
89     * Include all of the data in the stats, including previously saved data.
90     */
91    public static final int STATS_SINCE_CHARGED = 0;
92
93    /**
94     * Include only the last run in the stats.
95     */
96    public static final int STATS_LAST = 1;
97
98    /**
99     * Include only the current run in the stats.
100     */
101    public static final int STATS_CURRENT = 2;
102
103    /**
104     * Include only the run since the last time the device was unplugged in the stats.
105     */
106    public static final int STATS_SINCE_UNPLUGGED = 3;
107
108    // NOTE: Update this list if you add/change any stats above.
109    // These characters are supposed to represent "total", "last", "current",
110    // and "unplugged". They were shortened for efficiency sake.
111    private static final String[] STAT_NAMES = { "t", "l", "c", "u" };
112
113    /**
114     * Bump the version on this if the checkin format changes.
115     */
116    private static final int BATTERY_STATS_CHECKIN_VERSION = 5;
117
118    private static final long BYTES_PER_KB = 1024;
119    private static final long BYTES_PER_MB = 1048576; // 1024^2
120    private static final long BYTES_PER_GB = 1073741824; //1024^3
121
122
123    private static final String APK_DATA = "apk";
124    private static final String PROCESS_DATA = "pr";
125    private static final String SENSOR_DATA = "sr";
126    private static final String WAKELOCK_DATA = "wl";
127    private static final String KERNEL_WAKELOCK_DATA = "kwl";
128    private static final String NETWORK_DATA = "nt";
129    private static final String USER_ACTIVITY_DATA = "ua";
130    private static final String BATTERY_DATA = "bt";
131    private static final String BATTERY_LEVEL_DATA = "lv";
132    private static final String WIFI_LOCK_DATA = "wfl";
133    private static final String MISC_DATA = "m";
134    private static final String SCREEN_BRIGHTNESS_DATA = "br";
135    private static final String SIGNAL_STRENGTH_TIME_DATA = "sgt";
136    private static final String SIGNAL_SCANNING_TIME_DATA = "sst";
137    private static final String SIGNAL_STRENGTH_COUNT_DATA = "sgc";
138    private static final String DATA_CONNECTION_TIME_DATA = "dct";
139    private static final String DATA_CONNECTION_COUNT_DATA = "dcc";
140
141    private final StringBuilder mFormatBuilder = new StringBuilder(32);
142    private final Formatter mFormatter = new Formatter(mFormatBuilder);
143
144    /**
145     * State for keeping track of counting information.
146     */
147    public static abstract class Counter {
148
149        /**
150         * Returns the count associated with this Counter for the
151         * selected type of statistics.
152         *
153         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
154         */
155        public abstract int getCountLocked(int which);
156
157        /**
158         * Temporary for debugging.
159         */
160        public abstract void logState(Printer pw, String prefix);
161    }
162
163    /**
164     * State for keeping track of timing information.
165     */
166    public static abstract class Timer {
167
168        /**
169         * Returns the count associated with this Timer for the
170         * selected type of statistics.
171         *
172         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
173         */
174        public abstract int getCountLocked(int which);
175
176        /**
177         * Returns the total time in microseconds associated with this Timer for the
178         * selected type of statistics.
179         *
180         * @param batteryRealtime system realtime on  battery in microseconds
181         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
182         * @return a time in microseconds
183         */
184        public abstract long getTotalTimeLocked(long batteryRealtime, int which);
185
186        /**
187         * Temporary for debugging.
188         */
189        public abstract void logState(Printer pw, String prefix);
190    }
191
192    /**
193     * The statistics associated with a particular uid.
194     */
195    public static abstract class Uid {
196
197        /**
198         * Returns a mapping containing wakelock statistics.
199         *
200         * @return a Map from Strings to Uid.Wakelock objects.
201         */
202        public abstract Map<String, ? extends Wakelock> getWakelockStats();
203
204        /**
205         * The statistics associated with a particular wake lock.
206         */
207        public static abstract class Wakelock {
208            public abstract Timer getWakeTime(int type);
209        }
210
211        /**
212         * Returns a mapping containing sensor statistics.
213         *
214         * @return a Map from Integer sensor ids to Uid.Sensor objects.
215         */
216        public abstract Map<Integer, ? extends Sensor> getSensorStats();
217
218        /**
219         * Returns a mapping containing process statistics.
220         *
221         * @return a Map from Strings to Uid.Proc objects.
222         */
223        public abstract Map<String, ? extends Proc> getProcessStats();
224
225        /**
226         * Returns a mapping containing package statistics.
227         *
228         * @return a Map from Strings to Uid.Pkg objects.
229         */
230        public abstract Map<String, ? extends Pkg> getPackageStats();
231
232        /**
233         * {@hide}
234         */
235        public abstract int getUid();
236
237        /**
238         * {@hide}
239         */
240        public abstract long getTcpBytesReceived(int which);
241
242        /**
243         * {@hide}
244         */
245        public abstract long getTcpBytesSent(int which);
246
247        public abstract void noteWifiTurnedOnLocked();
248        public abstract void noteWifiTurnedOffLocked();
249        public abstract void noteFullWifiLockAcquiredLocked();
250        public abstract void noteFullWifiLockReleasedLocked();
251        public abstract void noteScanWifiLockAcquiredLocked();
252        public abstract void noteScanWifiLockReleasedLocked();
253        public abstract void noteWifiMulticastEnabledLocked();
254        public abstract void noteWifiMulticastDisabledLocked();
255        public abstract void noteAudioTurnedOnLocked();
256        public abstract void noteAudioTurnedOffLocked();
257        public abstract void noteVideoTurnedOnLocked();
258        public abstract void noteVideoTurnedOffLocked();
259        public abstract long getWifiTurnedOnTime(long batteryRealtime, int which);
260        public abstract long getFullWifiLockTime(long batteryRealtime, int which);
261        public abstract long getScanWifiLockTime(long batteryRealtime, int which);
262        public abstract long getWifiMulticastTime(long batteryRealtime,
263                                                  int which);
264        public abstract long getAudioTurnedOnTime(long batteryRealtime, int which);
265        public abstract long getVideoTurnedOnTime(long batteryRealtime, int which);
266
267        /**
268         * Note that these must match the constants in android.os.LocalPowerManager.
269         */
270        static final String[] USER_ACTIVITY_TYPES = {
271            "other", "cheek", "touch", "long_touch", "touch_up", "button", "unknown"
272        };
273
274        public static final int NUM_USER_ACTIVITY_TYPES = 7;
275
276        public abstract void noteUserActivityLocked(int type);
277        public abstract boolean hasUserActivity();
278        public abstract int getUserActivityCount(int type, int which);
279
280        public static abstract class Sensor {
281            // Magic sensor number for the GPS.
282            public static final int GPS = -10000;
283
284            public abstract int getHandle();
285
286            public abstract Timer getSensorTime();
287        }
288
289        /**
290         * The statistics associated with a particular process.
291         */
292        public static abstract class Proc {
293
294            public static class ExcessiveWake {
295                public long overTime;
296                public long usedTime;
297            }
298
299            /**
300             * Returns the total time (in 1/100 sec) spent executing in user code.
301             *
302             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
303             */
304            public abstract long getUserTime(int which);
305
306            /**
307             * Returns the total time (in 1/100 sec) spent executing in system code.
308             *
309             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
310             */
311            public abstract long getSystemTime(int which);
312
313            /**
314             * Returns the number of times the process has been started.
315             *
316             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
317             */
318            public abstract int getStarts(int which);
319
320            /**
321             * Returns the cpu time spent in microseconds while the process was in the foreground.
322             * @param which one of STATS_TOTAL, STATS_LAST, STATS_CURRENT or STATS_UNPLUGGED
323             * @return foreground cpu time in microseconds
324             */
325            public abstract long getForegroundTime(int which);
326
327            /**
328             * Returns the approximate cpu time spent in microseconds, at a certain CPU speed.
329             * @param speedStep the index of the CPU speed. This is not the actual speed of the
330             * CPU.
331             * @param which one of STATS_TOTAL, STATS_LAST, STATS_CURRENT or STATS_UNPLUGGED
332             * @see BatteryStats#getCpuSpeedSteps()
333             */
334            public abstract long getTimeAtCpuSpeedStep(int speedStep, int which);
335
336            public abstract int countExcessiveWakes();
337
338            public abstract ExcessiveWake getExcessiveWake(int i);
339        }
340
341        /**
342         * The statistics associated with a particular package.
343         */
344        public static abstract class Pkg {
345
346            /**
347             * Returns the number of times this package has done something that could wake up the
348             * device from sleep.
349             *
350             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
351             */
352            public abstract int getWakeups(int which);
353
354            /**
355             * Returns a mapping containing service statistics.
356             */
357            public abstract Map<String, ? extends Serv> getServiceStats();
358
359            /**
360             * The statistics associated with a particular service.
361             */
362            public abstract class Serv {
363
364                /**
365                 * Returns the amount of time spent started.
366                 *
367                 * @param batteryUptime elapsed uptime on battery in microseconds.
368                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
369                 * @return
370                 */
371                public abstract long getStartTime(long batteryUptime, int which);
372
373                /**
374                 * Returns the total number of times startService() has been called.
375                 *
376                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
377                 */
378                public abstract int getStarts(int which);
379
380                /**
381                 * Returns the total number times the service has been launched.
382                 *
383                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
384                 */
385                public abstract int getLaunches(int which);
386            }
387        }
388    }
389
390    public final class HistoryItem implements Parcelable {
391        public HistoryItem next;
392
393        public long time;
394
395        public static final byte CMD_UPDATE = 0;
396        public static final byte CMD_START = 1;
397
398        public byte cmd;
399
400        public byte batteryLevel;
401        public byte batteryStatus;
402        public byte batteryHealth;
403        public byte batteryPlugType;
404
405        public char batteryTemperature;
406        public char batteryVoltage;
407
408        // Constants from SCREEN_BRIGHTNESS_*
409        public static final int STATE_BRIGHTNESS_MASK = 0x000000f;
410        public static final int STATE_BRIGHTNESS_SHIFT = 0;
411        // Constants from SIGNAL_STRENGTH_*
412        public static final int STATE_SIGNAL_STRENGTH_MASK = 0x00000f0;
413        public static final int STATE_SIGNAL_STRENGTH_SHIFT = 4;
414        // Constants from ServiceState.STATE_*
415        public static final int STATE_PHONE_STATE_MASK = 0x0000f00;
416        public static final int STATE_PHONE_STATE_SHIFT = 8;
417        // Constants from DATA_CONNECTION_*
418        public static final int STATE_DATA_CONNECTION_MASK = 0x000f000;
419        public static final int STATE_DATA_CONNECTION_SHIFT = 12;
420
421        public static final int STATE_BATTERY_PLUGGED_FLAG = 1<<30;
422        public static final int STATE_SCREEN_ON_FLAG = 1<<29;
423        public static final int STATE_GPS_ON_FLAG = 1<<28;
424        public static final int STATE_PHONE_IN_CALL_FLAG = 1<<27;
425        public static final int STATE_PHONE_SCANNING_FLAG = 1<<26;
426        public static final int STATE_WIFI_ON_FLAG = 1<<25;
427        public static final int STATE_WIFI_RUNNING_FLAG = 1<<24;
428        public static final int STATE_WIFI_FULL_LOCK_FLAG = 1<<23;
429        public static final int STATE_WIFI_SCAN_LOCK_FLAG = 1<<22;
430        public static final int STATE_WIFI_MULTICAST_ON_FLAG = 1<<21;
431        public static final int STATE_BLUETOOTH_ON_FLAG = 1<<20;
432        public static final int STATE_AUDIO_ON_FLAG = 1<<19;
433        public static final int STATE_VIDEO_ON_FLAG = 1<<18;
434        public static final int STATE_WAKE_LOCK_FLAG = 1<<17;
435        public static final int STATE_SENSOR_ON_FLAG = 1<<16;
436
437        public int states;
438
439        public HistoryItem() {
440        }
441
442        public HistoryItem(long time, Parcel src) {
443            this.time = time;
444            int bat = src.readInt();
445            cmd = (byte)(bat&0xff);
446            batteryLevel = (byte)((bat>>8)&0xff);
447            batteryStatus = (byte)((bat>>16)&0xf);
448            batteryHealth = (byte)((bat>>20)&0xf);
449            batteryPlugType = (byte)((bat>>24)&0xf);
450            bat = src.readInt();
451            batteryTemperature = (char)(bat&0xffff);
452            batteryVoltage = (char)((bat>>16)&0xffff);
453            states = src.readInt();
454        }
455
456        public int describeContents() {
457            return 0;
458        }
459
460        public void writeToParcel(Parcel dest, int flags) {
461            dest.writeLong(time);
462            int bat = (((int)cmd)&0xff)
463                    | ((((int)batteryLevel)<<8)&0xff00)
464                    | ((((int)batteryStatus)<<16)&0xf0000)
465                    | ((((int)batteryHealth)<<20)&0xf00000)
466                    | ((((int)batteryPlugType)<<24)&0xf000000);
467            dest.writeInt(bat);
468            bat = (((int)batteryTemperature)&0xffff)
469                    | ((((int)batteryVoltage)<<16)&0xffff0000);
470            dest.writeInt(bat);
471            dest.writeInt(states);
472        }
473
474        public void setTo(long time, byte cmd, HistoryItem o) {
475            this.time = time;
476            this.cmd = cmd;
477            batteryLevel = o.batteryLevel;
478            batteryStatus = o.batteryStatus;
479            batteryHealth = o.batteryHealth;
480            batteryPlugType = o.batteryPlugType;
481            batteryTemperature = o.batteryTemperature;
482            batteryVoltage = o.batteryVoltage;
483            states = o.states;
484        }
485
486        public boolean same(HistoryItem o) {
487            return batteryLevel == o.batteryLevel
488                    && batteryStatus == o.batteryStatus
489                    && batteryHealth == o.batteryHealth
490                    && batteryPlugType == o.batteryPlugType
491                    && batteryTemperature == o.batteryTemperature
492                    && batteryVoltage == o.batteryVoltage
493                    && states == o.states;
494        }
495    }
496
497    public static final class BitDescription {
498        public final int mask;
499        public final int shift;
500        public final String name;
501        public final String[] values;
502
503        public BitDescription(int mask, String name) {
504            this.mask = mask;
505            this.shift = -1;
506            this.name = name;
507            this.values = null;
508        }
509
510        public BitDescription(int mask, int shift, String name, String[] values) {
511            this.mask = mask;
512            this.shift = shift;
513            this.name = name;
514            this.values = values;
515        }
516    }
517
518    /**
519     * Return the current history of battery state changes.
520     */
521    public abstract HistoryItem getHistory();
522
523    /**
524     * Returns the number of times the device has been started.
525     */
526    public abstract int getStartCount();
527
528    /**
529     * Returns the time in microseconds that the screen has been on while the device was
530     * running on battery.
531     *
532     * {@hide}
533     */
534    public abstract long getScreenOnTime(long batteryRealtime, int which);
535
536    public static final int SCREEN_BRIGHTNESS_DARK = 0;
537    public static final int SCREEN_BRIGHTNESS_DIM = 1;
538    public static final int SCREEN_BRIGHTNESS_MEDIUM = 2;
539    public static final int SCREEN_BRIGHTNESS_LIGHT = 3;
540    public static final int SCREEN_BRIGHTNESS_BRIGHT = 4;
541
542    static final String[] SCREEN_BRIGHTNESS_NAMES = {
543        "dark", "dim", "medium", "light", "bright"
544    };
545
546    public static final int NUM_SCREEN_BRIGHTNESS_BINS = 5;
547
548    /**
549     * Returns the time in microseconds that the screen has been on with
550     * the given brightness
551     *
552     * {@hide}
553     */
554    public abstract long getScreenBrightnessTime(int brightnessBin,
555            long batteryRealtime, int which);
556
557    public abstract int getInputEventCount(int which);
558
559    /**
560     * Returns the time in microseconds that the phone has been on while the device was
561     * running on battery.
562     *
563     * {@hide}
564     */
565    public abstract long getPhoneOnTime(long batteryRealtime, int which);
566
567    public static final int SIGNAL_STRENGTH_NONE_OR_UNKNOWN = 0;
568    public static final int SIGNAL_STRENGTH_POOR = 1;
569    public static final int SIGNAL_STRENGTH_MODERATE = 2;
570    public static final int SIGNAL_STRENGTH_GOOD = 3;
571    public static final int SIGNAL_STRENGTH_GREAT = 4;
572
573    static final String[] SIGNAL_STRENGTH_NAMES = {
574        "none", "poor", "moderate", "good", "great"
575    };
576
577    public static final int NUM_SIGNAL_STRENGTH_BINS = 5;
578
579    /**
580     * Returns the time in microseconds that the phone has been running with
581     * the given signal strength.
582     *
583     * {@hide}
584     */
585    public abstract long getPhoneSignalStrengthTime(int strengthBin,
586            long batteryRealtime, int which);
587
588    /**
589     * Returns the time in microseconds that the phone has been trying to
590     * acquire a signal.
591     *
592     * {@hide}
593     */
594    public abstract long getPhoneSignalScanningTime(
595            long batteryRealtime, int which);
596
597    /**
598     * Returns the number of times the phone has entered the given signal strength.
599     *
600     * {@hide}
601     */
602    public abstract int getPhoneSignalStrengthCount(int strengthBin, int which);
603
604    public static final int DATA_CONNECTION_NONE = 0;
605    public static final int DATA_CONNECTION_GPRS = 1;
606    public static final int DATA_CONNECTION_EDGE = 2;
607    public static final int DATA_CONNECTION_UMTS = 3;
608    public static final int DATA_CONNECTION_CDMA = 4;
609    public static final int DATA_CONNECTION_EVDO_0 = 5;
610    public static final int DATA_CONNECTION_EVDO_A = 6;
611    public static final int DATA_CONNECTION_1xRTT = 7;
612    public static final int DATA_CONNECTION_HSDPA = 8;
613    public static final int DATA_CONNECTION_HSUPA = 9;
614    public static final int DATA_CONNECTION_HSPA = 10;
615    public static final int DATA_CONNECTION_IDEN = 11;
616    public static final int DATA_CONNECTION_EVDO_B = 12;
617    public static final int DATA_CONNECTION_OTHER = 13;
618
619    static final String[] DATA_CONNECTION_NAMES = {
620        "none", "gprs", "edge", "umts", "cdma", "evdo_0", "evdo_A",
621        "1xrtt", "hsdpa", "hsupa", "hspa", "iden", "evdo_b", "other"
622    };
623
624    public static final int NUM_DATA_CONNECTION_TYPES = DATA_CONNECTION_OTHER+1;
625
626    /**
627     * Returns the time in microseconds that the phone has been running with
628     * the given data connection.
629     *
630     * {@hide}
631     */
632    public abstract long getPhoneDataConnectionTime(int dataType,
633            long batteryRealtime, int which);
634
635    /**
636     * Returns the number of times the phone has entered the given data
637     * connection type.
638     *
639     * {@hide}
640     */
641    public abstract int getPhoneDataConnectionCount(int dataType, int which);
642
643    public static final BitDescription[] HISTORY_STATE_DESCRIPTIONS
644            = new BitDescription[] {
645        new BitDescription(HistoryItem.STATE_BATTERY_PLUGGED_FLAG, "plugged"),
646        new BitDescription(HistoryItem.STATE_SCREEN_ON_FLAG, "screen"),
647        new BitDescription(HistoryItem.STATE_GPS_ON_FLAG, "gps"),
648        new BitDescription(HistoryItem.STATE_PHONE_IN_CALL_FLAG, "phone_in_call"),
649        new BitDescription(HistoryItem.STATE_PHONE_SCANNING_FLAG, "phone_scanning"),
650        new BitDescription(HistoryItem.STATE_WIFI_ON_FLAG, "wifi"),
651        new BitDescription(HistoryItem.STATE_WIFI_RUNNING_FLAG, "wifi_running"),
652        new BitDescription(HistoryItem.STATE_WIFI_FULL_LOCK_FLAG, "wifi_full_lock"),
653        new BitDescription(HistoryItem.STATE_WIFI_SCAN_LOCK_FLAG, "wifi_scan_lock"),
654        new BitDescription(HistoryItem.STATE_WIFI_MULTICAST_ON_FLAG, "wifi_multicast"),
655        new BitDescription(HistoryItem.STATE_BLUETOOTH_ON_FLAG, "bluetooth"),
656        new BitDescription(HistoryItem.STATE_AUDIO_ON_FLAG, "audio"),
657        new BitDescription(HistoryItem.STATE_VIDEO_ON_FLAG, "video"),
658        new BitDescription(HistoryItem.STATE_WAKE_LOCK_FLAG, "wake_lock"),
659        new BitDescription(HistoryItem.STATE_SENSOR_ON_FLAG, "sensor"),
660        new BitDescription(HistoryItem.STATE_BRIGHTNESS_MASK,
661                HistoryItem.STATE_BRIGHTNESS_SHIFT, "brightness",
662                SCREEN_BRIGHTNESS_NAMES),
663        new BitDescription(HistoryItem.STATE_SIGNAL_STRENGTH_MASK,
664                HistoryItem.STATE_SIGNAL_STRENGTH_SHIFT, "signal_strength",
665                SIGNAL_STRENGTH_NAMES),
666        new BitDescription(HistoryItem.STATE_PHONE_STATE_MASK,
667                HistoryItem.STATE_PHONE_STATE_SHIFT, "phone_state",
668                new String[] {"in", "out", "emergency", "off"}),
669        new BitDescription(HistoryItem.STATE_DATA_CONNECTION_MASK,
670                HistoryItem.STATE_DATA_CONNECTION_SHIFT, "data_conn",
671                DATA_CONNECTION_NAMES),
672    };
673
674    /**
675     * Returns the time in microseconds that wifi has been on while the device was
676     * running on battery.
677     *
678     * {@hide}
679     */
680    public abstract long getWifiOnTime(long batteryRealtime, int which);
681
682    /**
683     * Returns the time in microseconds that wifi has been on and the driver has
684     * been in the running state while the device was running on battery.
685     *
686     * {@hide}
687     */
688    public abstract long getWifiRunningTime(long batteryRealtime, int which);
689
690    /**
691     * Returns the time in microseconds that bluetooth has been on while the device was
692     * running on battery.
693     *
694     * {@hide}
695     */
696    public abstract long getBluetoothOnTime(long batteryRealtime, int which);
697
698    /**
699     * Return whether we are currently running on battery.
700     */
701    public abstract boolean getIsOnBattery();
702
703    /**
704     * Returns a SparseArray containing the statistics for each uid.
705     */
706    public abstract SparseArray<? extends Uid> getUidStats();
707
708    /**
709     * Returns the current battery uptime in microseconds.
710     *
711     * @param curTime the amount of elapsed realtime in microseconds.
712     */
713    public abstract long getBatteryUptime(long curTime);
714
715    /**
716     * @deprecated use getRadioDataUptime
717     */
718    public long getRadioDataUptimeMs() {
719        return getRadioDataUptime() / 1000;
720    }
721
722    /**
723     * Returns the time that the radio was on for data transfers.
724     * @return the uptime in microseconds while unplugged
725     */
726    public abstract long getRadioDataUptime();
727
728    /**
729     * Returns the current battery realtime in microseconds.
730     *
731     * @param curTime the amount of elapsed realtime in microseconds.
732     */
733    public abstract long getBatteryRealtime(long curTime);
734
735    /**
736     * Returns the battery percentage level at the last time the device was unplugged from power, or
737     * the last time it booted on battery power.
738     */
739    public abstract int getDischargeStartLevel();
740
741    /**
742     * Returns the current battery percentage level if we are in a discharge cycle, otherwise
743     * returns the level at the last plug event.
744     */
745    public abstract int getDischargeCurrentLevel();
746
747    /**
748     * Get the amount the battery has discharged since the stats were
749     * last reset after charging, as a lower-end approximation.
750     */
751    public abstract int getLowDischargeAmountSinceCharge();
752
753    /**
754     * Get the amount the battery has discharged since the stats were
755     * last reset after charging, as an upper-end approximation.
756     */
757    public abstract int getHighDischargeAmountSinceCharge();
758
759    /**
760     * Returns the total, last, or current battery uptime in microseconds.
761     *
762     * @param curTime the elapsed realtime in microseconds.
763     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
764     */
765    public abstract long computeBatteryUptime(long curTime, int which);
766
767    /**
768     * Returns the total, last, or current battery realtime in microseconds.
769     *
770     * @param curTime the current elapsed realtime in microseconds.
771     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
772     */
773    public abstract long computeBatteryRealtime(long curTime, int which);
774
775    /**
776     * Returns the total, last, or current uptime in microseconds.
777     *
778     * @param curTime the current elapsed realtime in microseconds.
779     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
780     */
781    public abstract long computeUptime(long curTime, int which);
782
783    /**
784     * Returns the total, last, or current realtime in microseconds.
785     * *
786     * @param curTime the current elapsed realtime in microseconds.
787     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
788     */
789    public abstract long computeRealtime(long curTime, int which);
790
791    public abstract Map<String, ? extends Timer> getKernelWakelockStats();
792
793    /** Returns the number of different speeds that the CPU can run at */
794    public abstract int getCpuSpeedSteps();
795
796    private final static void formatTimeRaw(StringBuilder out, long seconds) {
797        long days = seconds / (60 * 60 * 24);
798        if (days != 0) {
799            out.append(days);
800            out.append("d ");
801        }
802        long used = days * 60 * 60 * 24;
803
804        long hours = (seconds - used) / (60 * 60);
805        if (hours != 0 || used != 0) {
806            out.append(hours);
807            out.append("h ");
808        }
809        used += hours * 60 * 60;
810
811        long mins = (seconds-used) / 60;
812        if (mins != 0 || used != 0) {
813            out.append(mins);
814            out.append("m ");
815        }
816        used += mins * 60;
817
818        if (seconds != 0 || used != 0) {
819            out.append(seconds-used);
820            out.append("s ");
821        }
822    }
823
824    private final static void formatTime(StringBuilder sb, long time) {
825        long sec = time / 100;
826        formatTimeRaw(sb, sec);
827        sb.append((time - (sec * 100)) * 10);
828        sb.append("ms ");
829    }
830
831    private final static void formatTimeMs(StringBuilder sb, long time) {
832        long sec = time / 1000;
833        formatTimeRaw(sb, sec);
834        sb.append(time - (sec * 1000));
835        sb.append("ms ");
836    }
837
838    private final String formatRatioLocked(long num, long den) {
839        if (den == 0L) {
840            return "---%";
841        }
842        float perc = ((float)num) / ((float)den) * 100;
843        mFormatBuilder.setLength(0);
844        mFormatter.format("%.1f%%", perc);
845        return mFormatBuilder.toString();
846    }
847
848    private final String formatBytesLocked(long bytes) {
849        mFormatBuilder.setLength(0);
850
851        if (bytes < BYTES_PER_KB) {
852            return bytes + "B";
853        } else if (bytes < BYTES_PER_MB) {
854            mFormatter.format("%.2fKB", bytes / (double) BYTES_PER_KB);
855            return mFormatBuilder.toString();
856        } else if (bytes < BYTES_PER_GB){
857            mFormatter.format("%.2fMB", bytes / (double) BYTES_PER_MB);
858            return mFormatBuilder.toString();
859        } else {
860            mFormatter.format("%.2fGB", bytes / (double) BYTES_PER_GB);
861            return mFormatBuilder.toString();
862        }
863    }
864
865    /**
866     *
867     * @param sb a StringBuilder object.
868     * @param timer a Timer object contining the wakelock times.
869     * @param batteryRealtime the current on-battery time in microseconds.
870     * @param name the name of the wakelock.
871     * @param which which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
872     * @param linePrefix a String to be prepended to each line of output.
873     * @return the line prefix
874     */
875    private static final String printWakeLock(StringBuilder sb, Timer timer,
876            long batteryRealtime, String name, int which, String linePrefix) {
877
878        if (timer != null) {
879            // Convert from microseconds to milliseconds with rounding
880            long totalTimeMicros = timer.getTotalTimeLocked(batteryRealtime, which);
881            long totalTimeMillis = (totalTimeMicros + 500) / 1000;
882
883            int count = timer.getCountLocked(which);
884            if (totalTimeMillis != 0) {
885                sb.append(linePrefix);
886                formatTimeMs(sb, totalTimeMillis);
887                if (name != null) sb.append(name);
888                sb.append(' ');
889                sb.append('(');
890                sb.append(count);
891                sb.append(" times)");
892                return ", ";
893            }
894        }
895        return linePrefix;
896    }
897
898    /**
899     * Checkin version of wakelock printer. Prints simple comma-separated list.
900     *
901     * @param sb a StringBuilder object.
902     * @param timer a Timer object contining the wakelock times.
903     * @param now the current time in microseconds.
904     * @param name the name of the wakelock.
905     * @param which which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
906     * @param linePrefix a String to be prepended to each line of output.
907     * @return the line prefix
908     */
909    private static final String printWakeLockCheckin(StringBuilder sb, Timer timer, long now,
910            String name, int which, String linePrefix) {
911        long totalTimeMicros = 0;
912        int count = 0;
913        if (timer != null) {
914            totalTimeMicros = timer.getTotalTimeLocked(now, which);
915            count = timer.getCountLocked(which);
916        }
917        sb.append(linePrefix);
918        sb.append((totalTimeMicros + 500) / 1000); // microseconds to milliseconds with rounding
919        sb.append(',');
920        sb.append(name != null ? name + "," : "");
921        sb.append(count);
922        return ",";
923    }
924
925    /**
926     * Dump a comma-separated line of values for terse checkin mode.
927     *
928     * @param pw the PageWriter to dump log to
929     * @param category category of data (e.g. "total", "last", "unplugged", "current" )
930     * @param type type of data (e.g. "wakelock", "sensor", "process", "apk" ,  "process", "network")
931     * @param args type-dependent data arguments
932     */
933    private static final void dumpLine(PrintWriter pw, int uid, String category, String type,
934           Object... args ) {
935        pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
936        pw.print(uid); pw.print(',');
937        pw.print(category); pw.print(',');
938        pw.print(type);
939
940        for (Object arg : args) {
941            pw.print(',');
942            pw.print(arg);
943        }
944        pw.print('\n');
945    }
946
947    /**
948     * Checkin server version of dump to produce more compact, computer-readable log.
949     *
950     * NOTE: all times are expressed in 'ms'.
951     */
952    public final void dumpCheckinLocked(PrintWriter pw, int which, int reqUid) {
953        final long rawUptime = SystemClock.uptimeMillis() * 1000;
954        final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
955        final long batteryUptime = getBatteryUptime(rawUptime);
956        final long batteryRealtime = getBatteryRealtime(rawRealtime);
957        final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
958        final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
959        final long totalRealtime = computeRealtime(rawRealtime, which);
960        final long totalUptime = computeUptime(rawUptime, which);
961        final long screenOnTime = getScreenOnTime(batteryRealtime, which);
962        final long phoneOnTime = getPhoneOnTime(batteryRealtime, which);
963        final long wifiOnTime = getWifiOnTime(batteryRealtime, which);
964        final long wifiRunningTime = getWifiRunningTime(batteryRealtime, which);
965        final long bluetoothOnTime = getBluetoothOnTime(batteryRealtime, which);
966
967        StringBuilder sb = new StringBuilder(128);
968
969        SparseArray<? extends Uid> uidStats = getUidStats();
970        final int NU = uidStats.size();
971
972        String category = STAT_NAMES[which];
973
974        // Dump "battery" stat
975        dumpLine(pw, 0 /* uid */, category, BATTERY_DATA,
976                which == STATS_SINCE_CHARGED ? getStartCount() : "N/A",
977                whichBatteryRealtime / 1000, whichBatteryUptime / 1000,
978                totalRealtime / 1000, totalUptime / 1000);
979
980        // Calculate total network and wakelock times across all uids.
981        long rxTotal = 0;
982        long txTotal = 0;
983        long fullWakeLockTimeTotal = 0;
984        long partialWakeLockTimeTotal = 0;
985
986        for (int iu = 0; iu < NU; iu++) {
987            Uid u = uidStats.valueAt(iu);
988            rxTotal += u.getTcpBytesReceived(which);
989            txTotal += u.getTcpBytesSent(which);
990
991            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
992            if (wakelocks.size() > 0) {
993                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
994                        : wakelocks.entrySet()) {
995                    Uid.Wakelock wl = ent.getValue();
996
997                    Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
998                    if (fullWakeTimer != null) {
999                        fullWakeLockTimeTotal += fullWakeTimer.getTotalTimeLocked(batteryRealtime, which);
1000                    }
1001
1002                    Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
1003                    if (partialWakeTimer != null) {
1004                        partialWakeLockTimeTotal += partialWakeTimer.getTotalTimeLocked(
1005                            batteryRealtime, which);
1006                    }
1007                }
1008            }
1009        }
1010
1011        // Dump misc stats
1012        dumpLine(pw, 0 /* uid */, category, MISC_DATA,
1013                screenOnTime / 1000, phoneOnTime / 1000, wifiOnTime / 1000,
1014                wifiRunningTime / 1000, bluetoothOnTime / 1000, rxTotal, txTotal,
1015                fullWakeLockTimeTotal, partialWakeLockTimeTotal,
1016                getInputEventCount(which));
1017
1018        // Dump screen brightness stats
1019        Object[] args = new Object[NUM_SCREEN_BRIGHTNESS_BINS];
1020        for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
1021            args[i] = getScreenBrightnessTime(i, batteryRealtime, which) / 1000;
1022        }
1023        dumpLine(pw, 0 /* uid */, category, SCREEN_BRIGHTNESS_DATA, args);
1024
1025        // Dump signal strength stats
1026        args = new Object[NUM_SIGNAL_STRENGTH_BINS];
1027        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
1028            args[i] = getPhoneSignalStrengthTime(i, batteryRealtime, which) / 1000;
1029        }
1030        dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_TIME_DATA, args);
1031        dumpLine(pw, 0 /* uid */, category, SIGNAL_SCANNING_TIME_DATA,
1032                getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
1033        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
1034            args[i] = getPhoneSignalStrengthCount(i, which);
1035        }
1036        dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_COUNT_DATA, args);
1037
1038        // Dump network type stats
1039        args = new Object[NUM_DATA_CONNECTION_TYPES];
1040        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1041            args[i] = getPhoneDataConnectionTime(i, batteryRealtime, which) / 1000;
1042        }
1043        dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_TIME_DATA, args);
1044        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1045            args[i] = getPhoneDataConnectionCount(i, which);
1046        }
1047        dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_COUNT_DATA, args);
1048
1049        if (which == STATS_SINCE_UNPLUGGED) {
1050            dumpLine(pw, 0 /* uid */, category, BATTERY_LEVEL_DATA, getDischargeStartLevel(),
1051                    getDischargeCurrentLevel());
1052        }
1053
1054        if (reqUid < 0) {
1055            Map<String, ? extends BatteryStats.Timer> kernelWakelocks = getKernelWakelockStats();
1056            if (kernelWakelocks.size() > 0) {
1057                for (Map.Entry<String, ? extends BatteryStats.Timer> ent : kernelWakelocks.entrySet()) {
1058                    sb.setLength(0);
1059                    printWakeLockCheckin(sb, ent.getValue(), batteryRealtime, null, which, "");
1060
1061                    dumpLine(pw, 0 /* uid */, category, KERNEL_WAKELOCK_DATA, ent.getKey(),
1062                            sb.toString());
1063                }
1064            }
1065        }
1066
1067        for (int iu = 0; iu < NU; iu++) {
1068            final int uid = uidStats.keyAt(iu);
1069            if (reqUid >= 0 && uid != reqUid) {
1070                continue;
1071            }
1072            Uid u = uidStats.valueAt(iu);
1073            // Dump Network stats per uid, if any
1074            long rx = u.getTcpBytesReceived(which);
1075            long tx = u.getTcpBytesSent(which);
1076            long fullWifiLockOnTime = u.getFullWifiLockTime(batteryRealtime, which);
1077            long scanWifiLockOnTime = u.getScanWifiLockTime(batteryRealtime, which);
1078            long wifiTurnedOnTime = u.getWifiTurnedOnTime(batteryRealtime, which);
1079
1080            if (rx > 0 || tx > 0) dumpLine(pw, uid, category, NETWORK_DATA, rx, tx);
1081
1082            if (fullWifiLockOnTime != 0 || scanWifiLockOnTime != 0
1083                    || wifiTurnedOnTime != 0) {
1084                dumpLine(pw, uid, category, WIFI_LOCK_DATA,
1085                        fullWifiLockOnTime, scanWifiLockOnTime, wifiTurnedOnTime);
1086            }
1087
1088            if (u.hasUserActivity()) {
1089                args = new Object[Uid.NUM_USER_ACTIVITY_TYPES];
1090                boolean hasData = false;
1091                for (int i=0; i<Uid.NUM_USER_ACTIVITY_TYPES; i++) {
1092                    int val = u.getUserActivityCount(i, which);
1093                    args[i] = val;
1094                    if (val != 0) hasData = true;
1095                }
1096                if (hasData) {
1097                    dumpLine(pw, 0 /* uid */, category, USER_ACTIVITY_DATA, args);
1098                }
1099            }
1100
1101            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1102            if (wakelocks.size() > 0) {
1103                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1104                        : wakelocks.entrySet()) {
1105                    Uid.Wakelock wl = ent.getValue();
1106                    String linePrefix = "";
1107                    sb.setLength(0);
1108                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_FULL),
1109                            batteryRealtime, "f", which, linePrefix);
1110                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_PARTIAL),
1111                            batteryRealtime, "p", which, linePrefix);
1112                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_WINDOW),
1113                            batteryRealtime, "w", which, linePrefix);
1114
1115                    // Only log if we had at lease one wakelock...
1116                    if (sb.length() > 0) {
1117                       dumpLine(pw, uid, category, WAKELOCK_DATA, ent.getKey(), sb.toString());
1118                    }
1119                }
1120            }
1121
1122            Map<Integer, ? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
1123            if (sensors.size() > 0)  {
1124                for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> ent
1125                        : sensors.entrySet()) {
1126                    Uid.Sensor se = ent.getValue();
1127                    int sensorNumber = ent.getKey();
1128                    Timer timer = se.getSensorTime();
1129                    if (timer != null) {
1130                        // Convert from microseconds to milliseconds with rounding
1131                        long totalTime = (timer.getTotalTimeLocked(batteryRealtime, which) + 500) / 1000;
1132                        int count = timer.getCountLocked(which);
1133                        if (totalTime != 0) {
1134                            dumpLine(pw, uid, category, SENSOR_DATA, sensorNumber, totalTime, count);
1135                        }
1136                    }
1137                }
1138            }
1139
1140            Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
1141            if (processStats.size() > 0) {
1142                for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
1143                        : processStats.entrySet()) {
1144                    Uid.Proc ps = ent.getValue();
1145
1146                    long userTime = ps.getUserTime(which);
1147                    long systemTime = ps.getSystemTime(which);
1148                    int starts = ps.getStarts(which);
1149
1150                    if (userTime != 0 || systemTime != 0 || starts != 0) {
1151                        dumpLine(pw, uid, category, PROCESS_DATA,
1152                                ent.getKey(), // proc
1153                                userTime * 10, // cpu time in ms
1154                                systemTime * 10, // user time in ms
1155                                starts); // process starts
1156                    }
1157                }
1158            }
1159
1160            Map<String, ? extends BatteryStats.Uid.Pkg> packageStats = u.getPackageStats();
1161            if (packageStats.size() > 0) {
1162                for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg> ent
1163                        : packageStats.entrySet()) {
1164
1165                    Uid.Pkg ps = ent.getValue();
1166                    int wakeups = ps.getWakeups(which);
1167                    Map<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
1168                    for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg.Serv> sent
1169                            : serviceStats.entrySet()) {
1170                        BatteryStats.Uid.Pkg.Serv ss = sent.getValue();
1171                        long startTime = ss.getStartTime(batteryUptime, which);
1172                        int starts = ss.getStarts(which);
1173                        int launches = ss.getLaunches(which);
1174                        if (startTime != 0 || starts != 0 || launches != 0) {
1175                            dumpLine(pw, uid, category, APK_DATA,
1176                                    wakeups, // wakeup alarms
1177                                    ent.getKey(), // Apk
1178                                    sent.getKey(), // service
1179                                    startTime / 1000, // time spent started, in ms
1180                                    starts,
1181                                    launches);
1182                        }
1183                    }
1184                }
1185            }
1186        }
1187    }
1188
1189    @SuppressWarnings("unused")
1190    public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUid) {
1191        final long rawUptime = SystemClock.uptimeMillis() * 1000;
1192        final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
1193        final long batteryUptime = getBatteryUptime(rawUptime);
1194        final long batteryRealtime = getBatteryRealtime(rawRealtime);
1195
1196        final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
1197        final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
1198        final long totalRealtime = computeRealtime(rawRealtime, which);
1199        final long totalUptime = computeUptime(rawUptime, which);
1200
1201        StringBuilder sb = new StringBuilder(128);
1202
1203        SparseArray<? extends Uid> uidStats = getUidStats();
1204        final int NU = uidStats.size();
1205
1206        sb.setLength(0);
1207        sb.append(prefix);
1208                sb.append("  Time on battery: ");
1209                formatTimeMs(sb, whichBatteryRealtime / 1000); sb.append("(");
1210                sb.append(formatRatioLocked(whichBatteryRealtime, totalRealtime));
1211                sb.append(") realtime, ");
1212                formatTimeMs(sb, whichBatteryUptime / 1000);
1213                sb.append("("); sb.append(formatRatioLocked(whichBatteryUptime, totalRealtime));
1214                sb.append(") uptime");
1215        pw.println(sb.toString());
1216        sb.setLength(0);
1217        sb.append(prefix);
1218                sb.append("  Total run time: ");
1219                formatTimeMs(sb, totalRealtime / 1000);
1220                sb.append("realtime, ");
1221                formatTimeMs(sb, totalUptime / 1000);
1222                sb.append("uptime, ");
1223        pw.println(sb.toString());
1224
1225        final long screenOnTime = getScreenOnTime(batteryRealtime, which);
1226        final long phoneOnTime = getPhoneOnTime(batteryRealtime, which);
1227        final long wifiRunningTime = getWifiRunningTime(batteryRealtime, which);
1228        final long wifiOnTime = getWifiOnTime(batteryRealtime, which);
1229        final long bluetoothOnTime = getBluetoothOnTime(batteryRealtime, which);
1230        sb.setLength(0);
1231        sb.append(prefix);
1232                sb.append("  Screen on: "); formatTimeMs(sb, screenOnTime / 1000);
1233                sb.append("("); sb.append(formatRatioLocked(screenOnTime, whichBatteryRealtime));
1234                sb.append("), Input events: "); sb.append(getInputEventCount(which));
1235                sb.append(", Active phone call: "); formatTimeMs(sb, phoneOnTime / 1000);
1236                sb.append("("); sb.append(formatRatioLocked(phoneOnTime, whichBatteryRealtime));
1237                sb.append(")");
1238        pw.println(sb.toString());
1239        sb.setLength(0);
1240        sb.append(prefix);
1241        sb.append("  Screen brightnesses: ");
1242        boolean didOne = false;
1243        for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
1244            final long time = getScreenBrightnessTime(i, batteryRealtime, which);
1245            if (time == 0) {
1246                continue;
1247            }
1248            if (didOne) sb.append(", ");
1249            didOne = true;
1250            sb.append(SCREEN_BRIGHTNESS_NAMES[i]);
1251            sb.append(" ");
1252            formatTimeMs(sb, time/1000);
1253            sb.append("(");
1254            sb.append(formatRatioLocked(time, screenOnTime));
1255            sb.append(")");
1256        }
1257        if (!didOne) sb.append("No activity");
1258        pw.println(sb.toString());
1259
1260        // Calculate total network and wakelock times across all uids.
1261        long rxTotal = 0;
1262        long txTotal = 0;
1263        long fullWakeLockTimeTotalMicros = 0;
1264        long partialWakeLockTimeTotalMicros = 0;
1265
1266        if (reqUid < 0) {
1267            Map<String, ? extends BatteryStats.Timer> kernelWakelocks = getKernelWakelockStats();
1268            if (kernelWakelocks.size() > 0) {
1269                for (Map.Entry<String, ? extends BatteryStats.Timer> ent : kernelWakelocks.entrySet()) {
1270
1271                    String linePrefix = ": ";
1272                    sb.setLength(0);
1273                    sb.append(prefix);
1274                    sb.append("  Kernel Wake lock ");
1275                    sb.append(ent.getKey());
1276                    linePrefix = printWakeLock(sb, ent.getValue(), batteryRealtime, null, which,
1277                            linePrefix);
1278                    if (!linePrefix.equals(": ")) {
1279                        sb.append(" realtime");
1280                        // Only print out wake locks that were held
1281                        pw.println(sb.toString());
1282                    }
1283                }
1284            }
1285        }
1286
1287        for (int iu = 0; iu < NU; iu++) {
1288            Uid u = uidStats.valueAt(iu);
1289            rxTotal += u.getTcpBytesReceived(which);
1290            txTotal += u.getTcpBytesSent(which);
1291
1292            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1293            if (wakelocks.size() > 0) {
1294                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1295                        : wakelocks.entrySet()) {
1296                    Uid.Wakelock wl = ent.getValue();
1297
1298                    Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
1299                    if (fullWakeTimer != null) {
1300                        fullWakeLockTimeTotalMicros += fullWakeTimer.getTotalTimeLocked(
1301                                batteryRealtime, which);
1302                    }
1303
1304                    Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
1305                    if (partialWakeTimer != null) {
1306                        partialWakeLockTimeTotalMicros += partialWakeTimer.getTotalTimeLocked(
1307                                batteryRealtime, which);
1308                    }
1309                }
1310            }
1311        }
1312
1313        pw.print(prefix);
1314                pw.print("  Total received: "); pw.print(formatBytesLocked(rxTotal));
1315                pw.print(", Total sent: "); pw.println(formatBytesLocked(txTotal));
1316        sb.setLength(0);
1317        sb.append(prefix);
1318                sb.append("  Total full wakelock time: "); formatTimeMs(sb,
1319                        (fullWakeLockTimeTotalMicros + 500) / 1000);
1320                sb.append(", Total partial waklock time: "); formatTimeMs(sb,
1321                        (partialWakeLockTimeTotalMicros + 500) / 1000);
1322        pw.println(sb.toString());
1323
1324        sb.setLength(0);
1325        sb.append(prefix);
1326        sb.append("  Signal levels: ");
1327        didOne = false;
1328        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
1329            final long time = getPhoneSignalStrengthTime(i, batteryRealtime, which);
1330            if (time == 0) {
1331                continue;
1332            }
1333            if (didOne) sb.append(", ");
1334            didOne = true;
1335            sb.append(SIGNAL_STRENGTH_NAMES[i]);
1336            sb.append(" ");
1337            formatTimeMs(sb, time/1000);
1338            sb.append("(");
1339            sb.append(formatRatioLocked(time, whichBatteryRealtime));
1340            sb.append(") ");
1341            sb.append(getPhoneSignalStrengthCount(i, which));
1342            sb.append("x");
1343        }
1344        if (!didOne) sb.append("No activity");
1345        pw.println(sb.toString());
1346
1347        sb.setLength(0);
1348        sb.append(prefix);
1349        sb.append("  Signal scanning time: ");
1350        formatTimeMs(sb, getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
1351        pw.println(sb.toString());
1352
1353        sb.setLength(0);
1354        sb.append(prefix);
1355        sb.append("  Radio types: ");
1356        didOne = false;
1357        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1358            final long time = getPhoneDataConnectionTime(i, batteryRealtime, which);
1359            if (time == 0) {
1360                continue;
1361            }
1362            if (didOne) sb.append(", ");
1363            didOne = true;
1364            sb.append(DATA_CONNECTION_NAMES[i]);
1365            sb.append(" ");
1366            formatTimeMs(sb, time/1000);
1367            sb.append("(");
1368            sb.append(formatRatioLocked(time, whichBatteryRealtime));
1369            sb.append(") ");
1370            sb.append(getPhoneDataConnectionCount(i, which));
1371            sb.append("x");
1372        }
1373        if (!didOne) sb.append("No activity");
1374        pw.println(sb.toString());
1375
1376        sb.setLength(0);
1377        sb.append(prefix);
1378        sb.append("  Radio data uptime when unplugged: ");
1379        sb.append(getRadioDataUptime() / 1000);
1380        sb.append(" ms");
1381        pw.println(sb.toString());
1382
1383        sb.setLength(0);
1384        sb.append(prefix);
1385                sb.append("  Wifi on: "); formatTimeMs(sb, wifiOnTime / 1000);
1386                sb.append("("); sb.append(formatRatioLocked(wifiOnTime, whichBatteryRealtime));
1387                sb.append("), Wifi running: "); formatTimeMs(sb, wifiRunningTime / 1000);
1388                sb.append("("); sb.append(formatRatioLocked(wifiRunningTime, whichBatteryRealtime));
1389                sb.append("), Bluetooth on: "); formatTimeMs(sb, bluetoothOnTime / 1000);
1390                sb.append("("); sb.append(formatRatioLocked(bluetoothOnTime, whichBatteryRealtime));
1391                sb.append(")");
1392        pw.println(sb.toString());
1393
1394        pw.println(" ");
1395
1396        if (which == STATS_SINCE_UNPLUGGED) {
1397            if (getIsOnBattery()) {
1398                pw.print(prefix); pw.println("  Device is currently unplugged");
1399                pw.print(prefix); pw.print("    Discharge cycle start level: ");
1400                        pw.println(getDischargeStartLevel());
1401                pw.print(prefix); pw.print("    Discharge cycle current level: ");
1402                        pw.println(getDischargeCurrentLevel());
1403            } else {
1404                pw.print(prefix); pw.println("  Device is currently plugged into power");
1405                pw.print(prefix); pw.print("    Last discharge cycle start level: ");
1406                        pw.println(getDischargeStartLevel());
1407                pw.print(prefix); pw.print("    Last discharge cycle end level: ");
1408                        pw.println(getDischargeCurrentLevel());
1409            }
1410            pw.println(" ");
1411        } else {
1412            pw.print(prefix); pw.println("  Device battery use since last full charge");
1413            pw.print(prefix); pw.print("    Amount discharged (lower bound): ");
1414                    pw.println(getLowDischargeAmountSinceCharge());
1415            pw.print(prefix); pw.print("    Amount discharged (upper bound): ");
1416                    pw.println(getHighDischargeAmountSinceCharge());
1417            pw.println(" ");
1418        }
1419
1420
1421        for (int iu=0; iu<NU; iu++) {
1422            final int uid = uidStats.keyAt(iu);
1423            if (reqUid >= 0 && uid != reqUid) {
1424                continue;
1425            }
1426
1427            Uid u = uidStats.valueAt(iu);
1428
1429            pw.println(prefix + "  #" + uid + ":");
1430            boolean uidActivity = false;
1431
1432            long tcpReceived = u.getTcpBytesReceived(which);
1433            long tcpSent = u.getTcpBytesSent(which);
1434            long fullWifiLockOnTime = u.getFullWifiLockTime(batteryRealtime, which);
1435            long scanWifiLockOnTime = u.getScanWifiLockTime(batteryRealtime, which);
1436            long wifiTurnedOnTime = u.getWifiTurnedOnTime(batteryRealtime, which);
1437
1438            if (tcpReceived != 0 || tcpSent != 0) {
1439                pw.print(prefix); pw.print("    Network: ");
1440                        pw.print(formatBytesLocked(tcpReceived)); pw.print(" received, ");
1441                        pw.print(formatBytesLocked(tcpSent)); pw.println(" sent");
1442            }
1443
1444            if (u.hasUserActivity()) {
1445                boolean hasData = false;
1446                for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
1447                    int val = u.getUserActivityCount(i, which);
1448                    if (val != 0) {
1449                        if (!hasData) {
1450                            sb.setLength(0);
1451                            sb.append("    User activity: ");
1452                            hasData = true;
1453                        } else {
1454                            sb.append(", ");
1455                        }
1456                        sb.append(val);
1457                        sb.append(" ");
1458                        sb.append(Uid.USER_ACTIVITY_TYPES[i]);
1459                    }
1460                }
1461                if (hasData) {
1462                    pw.println(sb.toString());
1463                }
1464            }
1465
1466            if (fullWifiLockOnTime != 0 || scanWifiLockOnTime != 0
1467                    || wifiTurnedOnTime != 0) {
1468                sb.setLength(0);
1469                sb.append(prefix); sb.append("    Turned Wifi On: ");
1470                        formatTimeMs(sb, wifiTurnedOnTime / 1000);
1471                        sb.append("("); sb.append(formatRatioLocked(wifiTurnedOnTime,
1472                                whichBatteryRealtime)); sb.append(")\n");
1473                sb.append(prefix); sb.append("    Full Wifi Lock: ");
1474                        formatTimeMs(sb, fullWifiLockOnTime / 1000);
1475                        sb.append("("); sb.append(formatRatioLocked(fullWifiLockOnTime,
1476                                whichBatteryRealtime)); sb.append(")\n");
1477                sb.append(prefix); sb.append("    Scan Wifi Lock: ");
1478                        formatTimeMs(sb, scanWifiLockOnTime / 1000);
1479                        sb.append("("); sb.append(formatRatioLocked(scanWifiLockOnTime,
1480                                whichBatteryRealtime)); sb.append(")");
1481                pw.println(sb.toString());
1482            }
1483
1484            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1485            if (wakelocks.size() > 0) {
1486                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1487                    : wakelocks.entrySet()) {
1488                    Uid.Wakelock wl = ent.getValue();
1489                    String linePrefix = ": ";
1490                    sb.setLength(0);
1491                    sb.append(prefix);
1492                    sb.append("    Wake lock ");
1493                    sb.append(ent.getKey());
1494                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_FULL), batteryRealtime,
1495                            "full", which, linePrefix);
1496                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_PARTIAL), batteryRealtime,
1497                            "partial", which, linePrefix);
1498                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_WINDOW), batteryRealtime,
1499                            "window", which, linePrefix);
1500                    if (!linePrefix.equals(": ")) {
1501                        sb.append(" realtime");
1502                        // Only print out wake locks that were held
1503                        pw.println(sb.toString());
1504                        uidActivity = true;
1505                    }
1506                }
1507            }
1508
1509            Map<Integer, ? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
1510            if (sensors.size() > 0) {
1511                for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> ent
1512                    : sensors.entrySet()) {
1513                    Uid.Sensor se = ent.getValue();
1514                    int sensorNumber = ent.getKey();
1515                    sb.setLength(0);
1516                    sb.append(prefix);
1517                    sb.append("    Sensor ");
1518                    int handle = se.getHandle();
1519                    if (handle == Uid.Sensor.GPS) {
1520                        sb.append("GPS");
1521                    } else {
1522                        sb.append(handle);
1523                    }
1524                    sb.append(": ");
1525
1526                    Timer timer = se.getSensorTime();
1527                    if (timer != null) {
1528                        // Convert from microseconds to milliseconds with rounding
1529                        long totalTime = (timer.getTotalTimeLocked(
1530                                batteryRealtime, which) + 500) / 1000;
1531                        int count = timer.getCountLocked(which);
1532                        //timer.logState();
1533                        if (totalTime != 0) {
1534                            formatTimeMs(sb, totalTime);
1535                            sb.append("realtime (");
1536                            sb.append(count);
1537                            sb.append(" times)");
1538                        } else {
1539                            sb.append("(not used)");
1540                        }
1541                    } else {
1542                        sb.append("(not used)");
1543                    }
1544
1545                    pw.println(sb.toString());
1546                    uidActivity = true;
1547                }
1548            }
1549
1550            Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
1551            if (processStats.size() > 0) {
1552                for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
1553                    : processStats.entrySet()) {
1554                    Uid.Proc ps = ent.getValue();
1555                    long userTime;
1556                    long systemTime;
1557                    int starts;
1558                    int numExcessive;
1559
1560                    userTime = ps.getUserTime(which);
1561                    systemTime = ps.getSystemTime(which);
1562                    starts = ps.getStarts(which);
1563                    numExcessive = which == STATS_SINCE_CHARGED
1564                            ? ps.countExcessiveWakes() : 0;
1565
1566                    if (userTime != 0 || systemTime != 0 || starts != 0
1567                            || numExcessive != 0) {
1568                        sb.setLength(0);
1569                        sb.append(prefix); sb.append("    Proc ");
1570                                sb.append(ent.getKey()); sb.append(":\n");
1571                        sb.append(prefix); sb.append("      CPU: ");
1572                                formatTime(sb, userTime); sb.append("usr + ");
1573                                formatTime(sb, systemTime); sb.append("krn\n");
1574                        sb.append(prefix); sb.append("      "); sb.append(starts);
1575                                sb.append(" proc starts");
1576                        pw.println(sb.toString());
1577                        for (int e=0; e<numExcessive; e++) {
1578                            Uid.Proc.ExcessiveWake ew = ps.getExcessiveWake(e);
1579                            if (ew != null) {
1580                                pw.print(prefix); pw.print("      * Killed for wake lock use: ");
1581                                        TimeUtils.formatDuration(ew.usedTime, pw);
1582                                        pw.print(" over ");
1583                                        TimeUtils.formatDuration(ew.overTime, pw);
1584                                        pw.print(" (");
1585                                        pw.print((ew.usedTime*100)/ew.overTime);
1586                                        pw.println("%)");
1587                            }
1588                        }
1589                        uidActivity = true;
1590                    }
1591                }
1592            }
1593
1594            Map<String, ? extends BatteryStats.Uid.Pkg> packageStats = u.getPackageStats();
1595            if (packageStats.size() > 0) {
1596                for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg> ent
1597                    : packageStats.entrySet()) {
1598                    pw.print(prefix); pw.print("    Apk "); pw.print(ent.getKey()); pw.println(":");
1599                    boolean apkActivity = false;
1600                    Uid.Pkg ps = ent.getValue();
1601                    int wakeups = ps.getWakeups(which);
1602                    if (wakeups != 0) {
1603                        pw.print(prefix); pw.print("      ");
1604                                pw.print(wakeups); pw.println(" wakeup alarms");
1605                        apkActivity = true;
1606                    }
1607                    Map<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
1608                    if (serviceStats.size() > 0) {
1609                        for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg.Serv> sent
1610                                : serviceStats.entrySet()) {
1611                            BatteryStats.Uid.Pkg.Serv ss = sent.getValue();
1612                            long startTime = ss.getStartTime(batteryUptime, which);
1613                            int starts = ss.getStarts(which);
1614                            int launches = ss.getLaunches(which);
1615                            if (startTime != 0 || starts != 0 || launches != 0) {
1616                                sb.setLength(0);
1617                                sb.append(prefix); sb.append("      Service ");
1618                                        sb.append(sent.getKey()); sb.append(":\n");
1619                                sb.append(prefix); sb.append("        Created for: ");
1620                                        formatTimeMs(sb, startTime / 1000);
1621                                        sb.append(" uptime\n");
1622                                sb.append(prefix); sb.append("        Starts: ");
1623                                        sb.append(starts);
1624                                        sb.append(", launches: "); sb.append(launches);
1625                                pw.println(sb.toString());
1626                                apkActivity = true;
1627                            }
1628                        }
1629                    }
1630                    if (!apkActivity) {
1631                        pw.print(prefix); pw.println("      (nothing executed)");
1632                    }
1633                    uidActivity = true;
1634                }
1635            }
1636            if (!uidActivity) {
1637                pw.print(prefix); pw.println("    (nothing executed)");
1638            }
1639        }
1640    }
1641
1642    void printBitDescriptions(PrintWriter pw, int oldval, int newval, BitDescription[] descriptions) {
1643        int diff = oldval ^ newval;
1644        if (diff == 0) return;
1645        for (int i=0; i<descriptions.length; i++) {
1646            BitDescription bd = descriptions[i];
1647            if ((diff&bd.mask) != 0) {
1648                if (bd.shift < 0) {
1649                    pw.print((newval&bd.mask) != 0 ? " +" : " -");
1650                    pw.print(bd.name);
1651                } else {
1652                    pw.print(" ");
1653                    pw.print(bd.name);
1654                    pw.print("=");
1655                    int val = (newval&bd.mask)>>bd.shift;
1656                    if (bd.values != null && val >= 0 && val < bd.values.length) {
1657                        pw.print(bd.values[val]);
1658                    } else {
1659                        pw.print(val);
1660                    }
1661                }
1662            }
1663        }
1664    }
1665
1666    /**
1667     * Dumps a human-readable summary of the battery statistics to the given PrintWriter.
1668     *
1669     * @param pw a Printer to receive the dump output.
1670     */
1671    @SuppressWarnings("unused")
1672    public void dumpLocked(PrintWriter pw) {
1673        HistoryItem rec = getHistory();
1674        if (rec != null) {
1675            pw.println("Battery History:");
1676            int oldState = 0;
1677            int oldStatus = -1;
1678            int oldHealth = -1;
1679            int oldPlug = -1;
1680            int oldTemp = -1;
1681            int oldVolt = -1;
1682            while (rec != null) {
1683                pw.print("  ");
1684                pw.print(rec.time);
1685                pw.print(" ");
1686                if (rec.cmd == HistoryItem.CMD_START) {
1687                    pw.println(" START");
1688                } else {
1689                    if (rec.batteryLevel < 10) pw.print("00");
1690                    else if (rec.batteryLevel < 100) pw.print("0");
1691                    pw.print(rec.batteryLevel);
1692                    pw.print(" ");
1693                    if (rec.states < 0x10) pw.print("0000000");
1694                    else if (rec.states < 0x100) pw.print("000000");
1695                    else if (rec.states < 0x1000) pw.print("00000");
1696                    else if (rec.states < 0x10000) pw.print("0000");
1697                    else if (rec.states < 0x100000) pw.print("000");
1698                    else if (rec.states < 0x1000000) pw.print("00");
1699                    else if (rec.states < 0x10000000) pw.print("0");
1700                    pw.print(Integer.toHexString(rec.states));
1701                    if (oldStatus != rec.batteryStatus) {
1702                        oldStatus = rec.batteryStatus;
1703                        pw.print(" status=");
1704                        switch (oldStatus) {
1705                            case BatteryManager.BATTERY_STATUS_UNKNOWN:
1706                                pw.print("unknown");
1707                                break;
1708                            case BatteryManager.BATTERY_STATUS_CHARGING:
1709                                pw.print("charging");
1710                                break;
1711                            case BatteryManager.BATTERY_STATUS_DISCHARGING:
1712                                pw.print("discharging");
1713                                break;
1714                            case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
1715                                pw.print("not-charging");
1716                                break;
1717                            case BatteryManager.BATTERY_STATUS_FULL:
1718                                pw.print("full");
1719                                break;
1720                            default:
1721                                pw.print(oldStatus);
1722                                break;
1723                        }
1724                    }
1725                    if (oldHealth != rec.batteryHealth) {
1726                        oldHealth = rec.batteryHealth;
1727                        pw.print(" health=");
1728                        switch (oldHealth) {
1729                            case BatteryManager.BATTERY_HEALTH_UNKNOWN:
1730                                pw.print("unknown");
1731                                break;
1732                            case BatteryManager.BATTERY_HEALTH_GOOD:
1733                                pw.print("good");
1734                                break;
1735                            case BatteryManager.BATTERY_HEALTH_OVERHEAT:
1736                                pw.print("overheat");
1737                                break;
1738                            case BatteryManager.BATTERY_HEALTH_DEAD:
1739                                pw.print("dead");
1740                                break;
1741                            case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
1742                                pw.print("over-voltage");
1743                                break;
1744                            case BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE:
1745                                pw.print("failure");
1746                                break;
1747                            default:
1748                                pw.print(oldHealth);
1749                                break;
1750                        }
1751                    }
1752                    if (oldPlug != rec.batteryPlugType) {
1753                        oldPlug = rec.batteryPlugType;
1754                        pw.print(" plug=");
1755                        switch (oldPlug) {
1756                            case 0:
1757                                pw.print("none");
1758                                break;
1759                            case BatteryManager.BATTERY_PLUGGED_AC:
1760                                pw.print("ac");
1761                                break;
1762                            case BatteryManager.BATTERY_PLUGGED_USB:
1763                                pw.print("usb");
1764                                break;
1765                            default:
1766                                pw.print(oldPlug);
1767                                break;
1768                        }
1769                    }
1770                    if (oldTemp != rec.batteryTemperature) {
1771                        oldTemp = rec.batteryTemperature;
1772                        pw.print(" temp=");
1773                        pw.print(oldTemp);
1774                    }
1775                    if (oldVolt != rec.batteryVoltage) {
1776                        oldVolt = rec.batteryVoltage;
1777                        pw.print(" volt=");
1778                        pw.print(oldVolt);
1779                    }
1780                    printBitDescriptions(pw, oldState, rec.states,
1781                            HISTORY_STATE_DESCRIPTIONS);
1782                    pw.println();
1783                }
1784                oldState = rec.states;
1785                rec = rec.next;
1786            }
1787        }
1788
1789        pw.println("Statistics since last charge:");
1790        pw.println("  System starts: " + getStartCount()
1791                + ", currently on battery: " + getIsOnBattery());
1792        dumpLocked(pw, "", STATS_SINCE_CHARGED, -1);
1793        pw.println("");
1794        pw.println("Statistics since last unplugged:");
1795        dumpLocked(pw, "", STATS_SINCE_UNPLUGGED, -1);
1796    }
1797
1798    @SuppressWarnings("unused")
1799    public void dumpCheckinLocked(PrintWriter pw, String[] args) {
1800        boolean isUnpluggedOnly = false;
1801
1802        for (String arg : args) {
1803            if ("-u".equals(arg)) {
1804                if (LOCAL_LOGV) Log.v("BatteryStats", "Dumping unplugged data");
1805                isUnpluggedOnly = true;
1806            }
1807        }
1808
1809        if (isUnpluggedOnly) {
1810            dumpCheckinLocked(pw, STATS_SINCE_UNPLUGGED, -1);
1811        }
1812        else {
1813            dumpCheckinLocked(pw, STATS_SINCE_CHARGED, -1);
1814            dumpCheckinLocked(pw, STATS_SINCE_UNPLUGGED, -1);
1815        }
1816    }
1817}
1818