BatteryStats.java revision 94b916da2ce7b5fb8d87e884fad7132ef3091720
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;
26
27/**
28 * A class providing access to battery usage statistics, including information on
29 * wakelocks, processes, packages, and services.  All times are represented in microseconds
30 * except where indicated otherwise.
31 * @hide
32 */
33public abstract class BatteryStats implements Parcelable {
34
35    private static final boolean LOCAL_LOGV = false;
36
37    /**
38     * A constant indicating a partial wake lock timer.
39     */
40    public static final int WAKE_TYPE_PARTIAL = 0;
41
42    /**
43     * A constant indicating a full wake lock timer.
44     */
45    public static final int WAKE_TYPE_FULL = 1;
46
47    /**
48     * A constant indicating a window wake lock timer.
49     */
50    public static final int WAKE_TYPE_WINDOW = 2;
51
52    /**
53     * A constant indicating a sensor timer.
54     */
55    public static final int SENSOR = 3;
56
57    /**
58     * A constant indicating a a wifi turn on timer
59     */
60    public static final int WIFI_TURNED_ON = 4;
61
62    /**
63     * A constant indicating a full wifi lock timer
64     */
65    public static final int FULL_WIFI_LOCK = 5;
66
67    /**
68     * A constant indicating a scan wifi lock timer
69     */
70    public static final int SCAN_WIFI_LOCK = 6;
71
72     /**
73      * A constant indicating a wifi multicast timer
74      */
75     public static final int WIFI_MULTICAST_ENABLED = 7;
76
77    /**
78     * A constant indicating an audio turn on timer
79     */
80    public static final int AUDIO_TURNED_ON = 7;
81
82    /**
83     * A constant indicating a video turn on timer
84     */
85    public static final int VIDEO_TURNED_ON = 8;
86
87    /**
88     * Include all of the data in the stats, including previously saved data.
89     */
90    public static final int STATS_SINCE_CHARGED = 0;
91
92    /**
93     * Include only the last run in the stats.
94     */
95    public static final int STATS_LAST = 1;
96
97    /**
98     * Include only the current run in the stats.
99     */
100    public static final int STATS_CURRENT = 2;
101
102    /**
103     * Include only the run since the last time the device was unplugged in the stats.
104     */
105    public static final int STATS_SINCE_UNPLUGGED = 3;
106
107    // NOTE: Update this list if you add/change any stats above.
108    // These characters are supposed to represent "total", "last", "current",
109    // and "unplugged". They were shortened for effeciency sake.
110    private static final String[] STAT_NAMES = { "t", "l", "c", "u" };
111
112    /**
113     * Bump the version on this if the checkin format changes.
114     */
115    private static final int BATTERY_STATS_CHECKIN_VERSION = 5;
116
117    private static final long BYTES_PER_KB = 1024;
118    private static final long BYTES_PER_MB = 1048576; // 1024^2
119    private static final long BYTES_PER_GB = 1073741824; //1024^3
120
121
122    private static final String APK_DATA = "apk";
123    private static final String PROCESS_DATA = "pr";
124    private static final String SENSOR_DATA = "sr";
125    private static final String WAKELOCK_DATA = "wl";
126    private static final String KERNEL_WAKELOCK_DATA = "kwl";
127    private static final String NETWORK_DATA = "nt";
128    private static final String USER_ACTIVITY_DATA = "ua";
129    private static final String BATTERY_DATA = "bt";
130    private static final String BATTERY_LEVEL_DATA = "lv";
131    private static final String WIFI_LOCK_DATA = "wfl";
132    private static final String MISC_DATA = "m";
133    private static final String SCREEN_BRIGHTNESS_DATA = "br";
134    private static final String SIGNAL_STRENGTH_TIME_DATA = "sgt";
135    private static final String SIGNAL_SCANNING_TIME_DATA = "sst";
136    private static final String SIGNAL_STRENGTH_COUNT_DATA = "sgc";
137    private static final String DATA_CONNECTION_TIME_DATA = "dct";
138    private static final String DATA_CONNECTION_COUNT_DATA = "dcc";
139
140    private final StringBuilder mFormatBuilder = new StringBuilder(32);
141    private final Formatter mFormatter = new Formatter(mFormatBuilder);
142
143    /**
144     * State for keeping track of counting information.
145     */
146    public static abstract class Counter {
147
148        /**
149         * Returns the count associated with this Counter for the
150         * selected type of statistics.
151         *
152         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
153         */
154        public abstract int getCountLocked(int which);
155
156        /**
157         * Temporary for debugging.
158         */
159        public abstract void logState(Printer pw, String prefix);
160    }
161
162    /**
163     * State for keeping track of timing information.
164     */
165    public static abstract class Timer {
166
167        /**
168         * Returns the count associated with this Timer for the
169         * selected type of statistics.
170         *
171         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
172         */
173        public abstract int getCountLocked(int which);
174
175        /**
176         * Returns the total time in microseconds associated with this Timer for the
177         * selected type of statistics.
178         *
179         * @param batteryRealtime system realtime on  battery in microseconds
180         * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT
181         * @return a time in microseconds
182         */
183        public abstract long getTotalTimeLocked(long batteryRealtime, int which);
184
185        /**
186         * Temporary for debugging.
187         */
188        public abstract void logState(Printer pw, String prefix);
189    }
190
191    /**
192     * The statistics associated with a particular uid.
193     */
194    public static abstract class Uid {
195
196        /**
197         * Returns a mapping containing wakelock statistics.
198         *
199         * @return a Map from Strings to Uid.Wakelock objects.
200         */
201        public abstract Map<String, ? extends Wakelock> getWakelockStats();
202
203        /**
204         * The statistics associated with a particular wake lock.
205         */
206        public static abstract class Wakelock {
207            public abstract Timer getWakeTime(int type);
208        }
209
210        /**
211         * Returns a mapping containing sensor statistics.
212         *
213         * @return a Map from Integer sensor ids to Uid.Sensor objects.
214         */
215        public abstract Map<Integer, ? extends Sensor> getSensorStats();
216
217        /**
218         * Returns a mapping containing process statistics.
219         *
220         * @return a Map from Strings to Uid.Proc objects.
221         */
222        public abstract Map<String, ? extends Proc> getProcessStats();
223
224        /**
225         * Returns a mapping containing package statistics.
226         *
227         * @return a Map from Strings to Uid.Pkg objects.
228         */
229        public abstract Map<String, ? extends Pkg> getPackageStats();
230
231        /**
232         * {@hide}
233         */
234        public abstract int getUid();
235
236        /**
237         * {@hide}
238         */
239        public abstract long getTcpBytesReceived(int which);
240
241        /**
242         * {@hide}
243         */
244        public abstract long getTcpBytesSent(int which);
245
246        public abstract void noteWifiTurnedOnLocked();
247        public abstract void noteWifiTurnedOffLocked();
248        public abstract void noteFullWifiLockAcquiredLocked();
249        public abstract void noteFullWifiLockReleasedLocked();
250        public abstract void noteScanWifiLockAcquiredLocked();
251        public abstract void noteScanWifiLockReleasedLocked();
252        public abstract void noteWifiMulticastEnabledLocked();
253        public abstract void noteWifiMulticastDisabledLocked();
254        public abstract void noteAudioTurnedOnLocked();
255        public abstract void noteAudioTurnedOffLocked();
256        public abstract void noteVideoTurnedOnLocked();
257        public abstract void noteVideoTurnedOffLocked();
258        public abstract long getWifiTurnedOnTime(long batteryRealtime, int which);
259        public abstract long getFullWifiLockTime(long batteryRealtime, int which);
260        public abstract long getScanWifiLockTime(long batteryRealtime, int which);
261        public abstract long getWifiMulticastTime(long batteryRealtime,
262                                                  int which);
263        public abstract long getAudioTurnedOnTime(long batteryRealtime, int which);
264        public abstract long getVideoTurnedOnTime(long batteryRealtime, int which);
265
266        /**
267         * Note that these must match the constants in android.os.LocalPowerManager.
268         */
269        static final String[] USER_ACTIVITY_TYPES = {
270            "other", "cheek", "touch", "long_touch", "touch_up", "button", "unknown"
271        };
272
273        public static final int NUM_USER_ACTIVITY_TYPES = 7;
274
275        public abstract void noteUserActivityLocked(int type);
276        public abstract boolean hasUserActivity();
277        public abstract int getUserActivityCount(int type, int which);
278
279        public static abstract class Sensor {
280            // Magic sensor number for the GPS.
281            public static final int GPS = -10000;
282
283            public abstract int getHandle();
284
285            public abstract Timer getSensorTime();
286        }
287
288        /**
289         * The statistics associated with a particular process.
290         */
291        public static abstract class Proc {
292
293            /**
294             * Returns the total time (in 1/100 sec) spent executing in user code.
295             *
296             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
297             */
298            public abstract long getUserTime(int which);
299
300            /**
301             * Returns the total time (in 1/100 sec) spent executing in system code.
302             *
303             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
304             */
305            public abstract long getSystemTime(int which);
306
307            /**
308             * Returns the number of times the process has been started.
309             *
310             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
311             */
312            public abstract int getStarts(int which);
313
314            /**
315             * Returns the cpu time spent in microseconds while the process was in the foreground.
316             * @param which one of STATS_TOTAL, STATS_LAST, STATS_CURRENT or STATS_UNPLUGGED
317             * @return foreground cpu time in microseconds
318             */
319            public abstract long getForegroundTime(int which);
320
321            /**
322             * Returns the approximate cpu time spent in microseconds, at a certain CPU speed.
323             * @param speedStep the index of the CPU speed. This is not the actual speed of the
324             * CPU.
325             * @param which one of STATS_TOTAL, STATS_LAST, STATS_CURRENT or STATS_UNPLUGGED
326             * @see BatteryStats#getCpuSpeedSteps()
327             */
328            public abstract long getTimeAtCpuSpeedStep(int speedStep, int which);
329        }
330
331        /**
332         * The statistics associated with a particular package.
333         */
334        public static abstract class Pkg {
335
336            /**
337             * Returns the number of times this package has done something that could wake up the
338             * device from sleep.
339             *
340             * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
341             */
342            public abstract int getWakeups(int which);
343
344            /**
345             * Returns a mapping containing service statistics.
346             */
347            public abstract Map<String, ? extends Serv> getServiceStats();
348
349            /**
350             * The statistics associated with a particular service.
351             */
352            public abstract class Serv {
353
354                /**
355                 * Returns the amount of time spent started.
356                 *
357                 * @param batteryUptime elapsed uptime on battery in microseconds.
358                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
359                 * @return
360                 */
361                public abstract long getStartTime(long batteryUptime, int which);
362
363                /**
364                 * Returns the total number of times startService() has been called.
365                 *
366                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
367                 */
368                public abstract int getStarts(int which);
369
370                /**
371                 * Returns the total number times the service has been launched.
372                 *
373                 * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
374                 */
375                public abstract int getLaunches(int which);
376            }
377        }
378    }
379
380    public final class HistoryItem implements Parcelable {
381        public HistoryItem next;
382
383        public long time;
384
385        public static final byte CMD_UPDATE = 0;
386        public static final byte CMD_START = 1;
387
388        public byte cmd;
389
390        public byte batteryLevel;
391        public byte batteryStatus;
392        public byte batteryHealth;
393        public byte batteryPlugType;
394
395        public char batteryTemperature;
396        public char batteryVoltage;
397
398        public static final int STATE_BRIGHTNESS_MASK = 0x000000f;
399        public static final int STATE_BRIGHTNESS_SHIFT = 0;
400        public static final int STATE_SIGNAL_STRENGTH_MASK = 0x00000f0;
401        public static final int STATE_SIGNAL_STRENGTH_SHIFT = 4;
402        public static final int STATE_PHONE_STATE_MASK = 0x0000f00;
403        public static final int STATE_PHONE_STATE_SHIFT = 8;
404        public static final int STATE_DATA_CONNECTION_MASK = 0x000f000;
405        public static final int STATE_DATA_CONNECTION_SHIFT = 12;
406
407        public static final int STATE_BATTERY_PLUGGED_FLAG = 1<<30;
408        public static final int STATE_SCREEN_ON_FLAG = 1<<29;
409        public static final int STATE_GPS_ON_FLAG = 1<<28;
410        public static final int STATE_PHONE_ON_FLAG = 1<<27;
411        public static final int STATE_PHONE_SCANNING_FLAG = 1<<26;
412        public static final int STATE_WIFI_ON_FLAG = 1<<25;
413        public static final int STATE_WIFI_RUNNING_FLAG = 1<<24;
414        public static final int STATE_WIFI_FULL_LOCK_FLAG = 1<<23;
415        public static final int STATE_WIFI_SCAN_LOCK_FLAG = 1<<22;
416        public static final int STATE_WIFI_MULTICAST_ON_FLAG = 1<<21;
417        public static final int STATE_BLUETOOTH_ON_FLAG = 1<<20;
418        public static final int STATE_AUDIO_ON_FLAG = 1<<19;
419        public static final int STATE_VIDEO_ON_FLAG = 1<<18;
420
421        public int states;
422
423        public HistoryItem() {
424        }
425
426        public HistoryItem(long time, Parcel src) {
427            this.time = time;
428            int bat = src.readInt();
429            cmd = (byte)(bat&0xff);
430            batteryLevel = (byte)((bat>>8)&0xff);
431            batteryStatus = (byte)((bat>>16)&0xf);
432            batteryHealth = (byte)((bat>>20)&0xf);
433            batteryPlugType = (byte)((bat>>24)&0xf);
434            bat = src.readInt();
435            batteryTemperature = (char)(bat&0xffff);
436            batteryVoltage = (char)((bat>>16)&0xffff);
437            states = src.readInt();
438        }
439
440        public int describeContents() {
441            return 0;
442        }
443
444        public void writeToParcel(Parcel dest, int flags) {
445            dest.writeLong(time);
446            int bat = (((int)cmd)&0xff)
447                    | ((((int)batteryLevel)<<8)&0xff00)
448                    | ((((int)batteryStatus)<<16)&0xf0000)
449                    | ((((int)batteryHealth)<<20)&0xf00000)
450                    | ((((int)batteryPlugType)<<24)&0xf000000);
451            dest.writeInt(bat);
452            bat = (((int)batteryTemperature)&0xffff)
453                    | ((((int)batteryVoltage)<<16)&0xffff0000);
454            dest.writeInt(bat);
455            dest.writeInt(states);
456        }
457
458        public void setTo(long time, byte cmd, HistoryItem o) {
459            this.time = time;
460            this.cmd = cmd;
461            batteryLevel = o.batteryLevel;
462            batteryStatus = o.batteryStatus;
463            batteryHealth = o.batteryHealth;
464            batteryPlugType = o.batteryPlugType;
465            batteryTemperature = o.batteryTemperature;
466            batteryVoltage = o.batteryVoltage;
467            states = o.states;
468        }
469    }
470
471    public static final class BitDescription {
472        public final int mask;
473        public final int shift;
474        public final String name;
475        public final String[] values;
476
477        public BitDescription(int mask, String name) {
478            this.mask = mask;
479            this.shift = -1;
480            this.name = name;
481            this.values = null;
482        }
483
484        public BitDescription(int mask, int shift, String name, String[] values) {
485            this.mask = mask;
486            this.shift = shift;
487            this.name = name;
488            this.values = values;
489        }
490    }
491
492    /**
493     * Return the current history of battery state changes.
494     */
495    public abstract HistoryItem getHistory();
496
497    /**
498     * Returns the number of times the device has been started.
499     */
500    public abstract int getStartCount();
501
502    /**
503     * Returns the time in microseconds that the screen has been on while the device was
504     * running on battery.
505     *
506     * {@hide}
507     */
508    public abstract long getScreenOnTime(long batteryRealtime, int which);
509
510    public static final int SCREEN_BRIGHTNESS_DARK = 0;
511    public static final int SCREEN_BRIGHTNESS_DIM = 1;
512    public static final int SCREEN_BRIGHTNESS_MEDIUM = 2;
513    public static final int SCREEN_BRIGHTNESS_LIGHT = 3;
514    public static final int SCREEN_BRIGHTNESS_BRIGHT = 4;
515
516    static final String[] SCREEN_BRIGHTNESS_NAMES = {
517        "dark", "dim", "medium", "light", "bright"
518    };
519
520    public static final int NUM_SCREEN_BRIGHTNESS_BINS = 5;
521
522    /**
523     * Returns the time in microseconds that the screen has been on with
524     * the given brightness
525     *
526     * {@hide}
527     */
528    public abstract long getScreenBrightnessTime(int brightnessBin,
529            long batteryRealtime, int which);
530
531    public abstract int getInputEventCount(int which);
532
533    /**
534     * Returns the time in microseconds that the phone has been on while the device was
535     * running on battery.
536     *
537     * {@hide}
538     */
539    public abstract long getPhoneOnTime(long batteryRealtime, int which);
540
541    public static final int SIGNAL_STRENGTH_NONE_OR_UNKNOWN = 0;
542    public static final int SIGNAL_STRENGTH_POOR = 1;
543    public static final int SIGNAL_STRENGTH_MODERATE = 2;
544    public static final int SIGNAL_STRENGTH_GOOD = 3;
545    public static final int SIGNAL_STRENGTH_GREAT = 4;
546
547    static final String[] SIGNAL_STRENGTH_NAMES = {
548        "none", "poor", "moderate", "good", "great"
549    };
550
551    public static final int NUM_SIGNAL_STRENGTH_BINS = 5;
552
553    /**
554     * Returns the time in microseconds that the phone has been running with
555     * the given signal strength.
556     *
557     * {@hide}
558     */
559    public abstract long getPhoneSignalStrengthTime(int strengthBin,
560            long batteryRealtime, int which);
561
562    /**
563     * Returns the time in microseconds that the phone has been trying to
564     * acquire a signal.
565     *
566     * {@hide}
567     */
568    public abstract long getPhoneSignalScanningTime(
569            long batteryRealtime, int which);
570
571    /**
572     * Returns the number of times the phone has entered the given signal strength.
573     *
574     * {@hide}
575     */
576    public abstract int getPhoneSignalStrengthCount(int strengthBin, int which);
577
578    public static final int DATA_CONNECTION_NONE = 0;
579    public static final int DATA_CONNECTION_GPRS = 1;
580    public static final int DATA_CONNECTION_EDGE = 2;
581    public static final int DATA_CONNECTION_UMTS = 3;
582    public static final int DATA_CONNECTION_CDMA = 4;
583    public static final int DATA_CONNECTION_EVDO_0 = 5;
584    public static final int DATA_CONNECTION_EVDO_A = 6;
585    public static final int DATA_CONNECTION_1xRTT = 7;
586    public static final int DATA_CONNECTION_HSDPA = 8;
587    public static final int DATA_CONNECTION_HSUPA = 9;
588    public static final int DATA_CONNECTION_HSPA = 10;
589    public static final int DATA_CONNECTION_IDEN = 11;
590    public static final int DATA_CONNECTION_EVDO_B = 12;
591    public static final int DATA_CONNECTION_OTHER = 13;
592
593    static final String[] DATA_CONNECTION_NAMES = {
594        "none", "gprs", "edge", "umts", "cdma", "evdo_0", "evdo_A",
595        "1xrtt", "hsdpa", "hsupa", "hspa", "iden", "evdo_b", "other"
596    };
597
598    public static final int NUM_DATA_CONNECTION_TYPES = DATA_CONNECTION_OTHER+1;
599
600    /**
601     * Returns the time in microseconds that the phone has been running with
602     * the given data connection.
603     *
604     * {@hide}
605     */
606    public abstract long getPhoneDataConnectionTime(int dataType,
607            long batteryRealtime, int which);
608
609    /**
610     * Returns the number of times the phone has entered the given data
611     * connection type.
612     *
613     * {@hide}
614     */
615    public abstract int getPhoneDataConnectionCount(int dataType, int which);
616
617    public static final BitDescription[] HISTORY_STATE_DESCRIPTIONS
618            = new BitDescription[] {
619        new BitDescription(HistoryItem.STATE_BATTERY_PLUGGED_FLAG, "plugged"),
620        new BitDescription(HistoryItem.STATE_SCREEN_ON_FLAG, "screen"),
621        new BitDescription(HistoryItem.STATE_GPS_ON_FLAG, "gps"),
622        new BitDescription(HistoryItem.STATE_PHONE_ON_FLAG, "phone"),
623        new BitDescription(HistoryItem.STATE_PHONE_SCANNING_FLAG, "phone_scanning"),
624        new BitDescription(HistoryItem.STATE_WIFI_ON_FLAG, "wifi"),
625        new BitDescription(HistoryItem.STATE_WIFI_RUNNING_FLAG, "wifi_running"),
626        new BitDescription(HistoryItem.STATE_WIFI_FULL_LOCK_FLAG, "wifi_full_lock"),
627        new BitDescription(HistoryItem.STATE_WIFI_SCAN_LOCK_FLAG, "wifi_scan_lock"),
628        new BitDescription(HistoryItem.STATE_WIFI_MULTICAST_ON_FLAG, "wifi_multicast"),
629        new BitDescription(HistoryItem.STATE_BLUETOOTH_ON_FLAG, "bluetooth"),
630        new BitDescription(HistoryItem.STATE_AUDIO_ON_FLAG, "audio"),
631        new BitDescription(HistoryItem.STATE_VIDEO_ON_FLAG, "video"),
632        new BitDescription(HistoryItem.STATE_BRIGHTNESS_MASK,
633                HistoryItem.STATE_BRIGHTNESS_SHIFT, "brightness",
634                SCREEN_BRIGHTNESS_NAMES),
635        new BitDescription(HistoryItem.STATE_SIGNAL_STRENGTH_MASK,
636                HistoryItem.STATE_SIGNAL_STRENGTH_SHIFT, "signal_strength",
637                SIGNAL_STRENGTH_NAMES),
638        new BitDescription(HistoryItem.STATE_PHONE_STATE_MASK,
639                HistoryItem.STATE_PHONE_STATE_SHIFT, "phone_state",
640                new String[] {"in", "out", "emergency", "off"}),
641        new BitDescription(HistoryItem.STATE_DATA_CONNECTION_MASK,
642                HistoryItem.STATE_DATA_CONNECTION_SHIFT, "data_conn",
643                DATA_CONNECTION_NAMES),
644    };
645
646    /**
647     * Returns the time in microseconds that wifi has been on while the device was
648     * running on battery.
649     *
650     * {@hide}
651     */
652    public abstract long getWifiOnTime(long batteryRealtime, int which);
653
654    /**
655     * Returns the time in microseconds that wifi has been on and the driver has
656     * been in the running state while the device was running on battery.
657     *
658     * {@hide}
659     */
660    public abstract long getWifiRunningTime(long batteryRealtime, int which);
661
662    /**
663     * Returns the time in microseconds that bluetooth has been on while the device was
664     * running on battery.
665     *
666     * {@hide}
667     */
668    public abstract long getBluetoothOnTime(long batteryRealtime, int which);
669
670    /**
671     * Return whether we are currently running on battery.
672     */
673    public abstract boolean getIsOnBattery();
674
675    /**
676     * Returns a SparseArray containing the statistics for each uid.
677     */
678    public abstract SparseArray<? extends Uid> getUidStats();
679
680    /**
681     * Returns the current battery uptime in microseconds.
682     *
683     * @param curTime the amount of elapsed realtime in microseconds.
684     */
685    public abstract long getBatteryUptime(long curTime);
686
687    /**
688     * @deprecated use getRadioDataUptime
689     */
690    public long getRadioDataUptimeMs() {
691        return getRadioDataUptime() / 1000;
692    }
693
694    /**
695     * Returns the time that the radio was on for data transfers.
696     * @return the uptime in microseconds while unplugged
697     */
698    public abstract long getRadioDataUptime();
699
700    /**
701     * Returns the current battery realtime in microseconds.
702     *
703     * @param curTime the amount of elapsed realtime in microseconds.
704     */
705    public abstract long getBatteryRealtime(long curTime);
706
707    /**
708     * Returns the battery percentage level at the last time the device was unplugged from power, or
709     * the last time it booted on battery power.
710     */
711    public abstract int getDischargeStartLevel();
712
713    /**
714     * Returns the current battery percentage level if we are in a discharge cycle, otherwise
715     * returns the level at the last plug event.
716     */
717    public abstract int getDischargeCurrentLevel();
718
719    /**
720     * Returns the total, last, or current battery uptime in microseconds.
721     *
722     * @param curTime the elapsed realtime in microseconds.
723     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
724     */
725    public abstract long computeBatteryUptime(long curTime, int which);
726
727    /**
728     * Returns the total, last, or current battery realtime in microseconds.
729     *
730     * @param curTime the current elapsed realtime in microseconds.
731     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
732     */
733    public abstract long computeBatteryRealtime(long curTime, int which);
734
735    /**
736     * Returns the total, last, or current uptime in microseconds.
737     *
738     * @param curTime the current elapsed realtime in microseconds.
739     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
740     */
741    public abstract long computeUptime(long curTime, int which);
742
743    /**
744     * Returns the total, last, or current realtime in microseconds.
745     * *
746     * @param curTime the current elapsed realtime in microseconds.
747     * @param which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
748     */
749    public abstract long computeRealtime(long curTime, int which);
750
751    public abstract Map<String, ? extends Timer> getKernelWakelockStats();
752
753    /** Returns the number of different speeds that the CPU can run at */
754    public abstract int getCpuSpeedSteps();
755
756    private final static void formatTimeRaw(StringBuilder out, long seconds) {
757        long days = seconds / (60 * 60 * 24);
758        if (days != 0) {
759            out.append(days);
760            out.append("d ");
761        }
762        long used = days * 60 * 60 * 24;
763
764        long hours = (seconds - used) / (60 * 60);
765        if (hours != 0 || used != 0) {
766            out.append(hours);
767            out.append("h ");
768        }
769        used += hours * 60 * 60;
770
771        long mins = (seconds-used) / 60;
772        if (mins != 0 || used != 0) {
773            out.append(mins);
774            out.append("m ");
775        }
776        used += mins * 60;
777
778        if (seconds != 0 || used != 0) {
779            out.append(seconds-used);
780            out.append("s ");
781        }
782    }
783
784    private final static void formatTime(StringBuilder sb, long time) {
785        long sec = time / 100;
786        formatTimeRaw(sb, sec);
787        sb.append((time - (sec * 100)) * 10);
788        sb.append("ms ");
789    }
790
791    private final static void formatTimeMs(StringBuilder sb, long time) {
792        long sec = time / 1000;
793        formatTimeRaw(sb, sec);
794        sb.append(time - (sec * 1000));
795        sb.append("ms ");
796    }
797
798    private final String formatRatioLocked(long num, long den) {
799        if (den == 0L) {
800            return "---%";
801        }
802        float perc = ((float)num) / ((float)den) * 100;
803        mFormatBuilder.setLength(0);
804        mFormatter.format("%.1f%%", perc);
805        return mFormatBuilder.toString();
806    }
807
808    private final String formatBytesLocked(long bytes) {
809        mFormatBuilder.setLength(0);
810
811        if (bytes < BYTES_PER_KB) {
812            return bytes + "B";
813        } else if (bytes < BYTES_PER_MB) {
814            mFormatter.format("%.2fKB", bytes / (double) BYTES_PER_KB);
815            return mFormatBuilder.toString();
816        } else if (bytes < BYTES_PER_GB){
817            mFormatter.format("%.2fMB", bytes / (double) BYTES_PER_MB);
818            return mFormatBuilder.toString();
819        } else {
820            mFormatter.format("%.2fGB", bytes / (double) BYTES_PER_GB);
821            return mFormatBuilder.toString();
822        }
823    }
824
825    /**
826     *
827     * @param sb a StringBuilder object.
828     * @param timer a Timer object contining the wakelock times.
829     * @param batteryRealtime the current on-battery time in microseconds.
830     * @param name the name of the wakelock.
831     * @param which which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
832     * @param linePrefix a String to be prepended to each line of output.
833     * @return the line prefix
834     */
835    private static final String printWakeLock(StringBuilder sb, Timer timer,
836            long batteryRealtime, String name, int which, String linePrefix) {
837
838        if (timer != null) {
839            // Convert from microseconds to milliseconds with rounding
840            long totalTimeMicros = timer.getTotalTimeLocked(batteryRealtime, which);
841            long totalTimeMillis = (totalTimeMicros + 500) / 1000;
842
843            int count = timer.getCountLocked(which);
844            if (totalTimeMillis != 0) {
845                sb.append(linePrefix);
846                formatTimeMs(sb, totalTimeMillis);
847                if (name != null) sb.append(name);
848                sb.append(' ');
849                sb.append('(');
850                sb.append(count);
851                sb.append(" times)");
852                return ", ";
853            }
854        }
855        return linePrefix;
856    }
857
858    /**
859     * Checkin version of wakelock printer. Prints simple comma-separated list.
860     *
861     * @param sb a StringBuilder object.
862     * @param timer a Timer object contining the wakelock times.
863     * @param now the current time in microseconds.
864     * @param name the name of the wakelock.
865     * @param which which one of STATS_TOTAL, STATS_LAST, or STATS_CURRENT.
866     * @param linePrefix a String to be prepended to each line of output.
867     * @return the line prefix
868     */
869    private static final String printWakeLockCheckin(StringBuilder sb, Timer timer, long now,
870            String name, int which, String linePrefix) {
871        long totalTimeMicros = 0;
872        int count = 0;
873        if (timer != null) {
874            totalTimeMicros = timer.getTotalTimeLocked(now, which);
875            count = timer.getCountLocked(which);
876        }
877        sb.append(linePrefix);
878        sb.append((totalTimeMicros + 500) / 1000); // microseconds to milliseconds with rounding
879        sb.append(',');
880        sb.append(name != null ? name + "," : "");
881        sb.append(count);
882        return ",";
883    }
884
885    /**
886     * Dump a comma-separated line of values for terse checkin mode.
887     *
888     * @param pw the PageWriter to dump log to
889     * @param category category of data (e.g. "total", "last", "unplugged", "current" )
890     * @param type type of data (e.g. "wakelock", "sensor", "process", "apk" ,  "process", "network")
891     * @param args type-dependent data arguments
892     */
893    private static final void dumpLine(PrintWriter pw, int uid, String category, String type,
894           Object... args ) {
895        pw.print(BATTERY_STATS_CHECKIN_VERSION); pw.print(',');
896        pw.print(uid); pw.print(',');
897        pw.print(category); pw.print(',');
898        pw.print(type);
899
900        for (Object arg : args) {
901            pw.print(',');
902            pw.print(arg);
903        }
904        pw.print('\n');
905    }
906
907    /**
908     * Checkin server version of dump to produce more compact, computer-readable log.
909     *
910     * NOTE: all times are expressed in 'ms'.
911     */
912    public final void dumpCheckinLocked(PrintWriter pw, int which, int reqUid) {
913        final long rawUptime = SystemClock.uptimeMillis() * 1000;
914        final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
915        final long batteryUptime = getBatteryUptime(rawUptime);
916        final long batteryRealtime = getBatteryRealtime(rawRealtime);
917        final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
918        final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
919        final long totalRealtime = computeRealtime(rawRealtime, which);
920        final long totalUptime = computeUptime(rawUptime, which);
921        final long screenOnTime = getScreenOnTime(batteryRealtime, which);
922        final long phoneOnTime = getPhoneOnTime(batteryRealtime, which);
923        final long wifiOnTime = getWifiOnTime(batteryRealtime, which);
924        final long wifiRunningTime = getWifiRunningTime(batteryRealtime, which);
925        final long bluetoothOnTime = getBluetoothOnTime(batteryRealtime, which);
926
927        StringBuilder sb = new StringBuilder(128);
928
929        SparseArray<? extends Uid> uidStats = getUidStats();
930        final int NU = uidStats.size();
931
932        String category = STAT_NAMES[which];
933
934        // Dump "battery" stat
935        dumpLine(pw, 0 /* uid */, category, BATTERY_DATA,
936                which == STATS_SINCE_CHARGED ? getStartCount() : "N/A",
937                whichBatteryRealtime / 1000, whichBatteryUptime / 1000,
938                totalRealtime / 1000, totalUptime / 1000);
939
940        // Calculate total network and wakelock times across all uids.
941        long rxTotal = 0;
942        long txTotal = 0;
943        long fullWakeLockTimeTotal = 0;
944        long partialWakeLockTimeTotal = 0;
945
946        for (int iu = 0; iu < NU; iu++) {
947            Uid u = uidStats.valueAt(iu);
948            rxTotal += u.getTcpBytesReceived(which);
949            txTotal += u.getTcpBytesSent(which);
950
951            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
952            if (wakelocks.size() > 0) {
953                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
954                        : wakelocks.entrySet()) {
955                    Uid.Wakelock wl = ent.getValue();
956
957                    Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
958                    if (fullWakeTimer != null) {
959                        fullWakeLockTimeTotal += fullWakeTimer.getTotalTimeLocked(batteryRealtime, which);
960                    }
961
962                    Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
963                    if (partialWakeTimer != null) {
964                        partialWakeLockTimeTotal += partialWakeTimer.getTotalTimeLocked(
965                            batteryRealtime, which);
966                    }
967                }
968            }
969        }
970
971        // Dump misc stats
972        dumpLine(pw, 0 /* uid */, category, MISC_DATA,
973                screenOnTime / 1000, phoneOnTime / 1000, wifiOnTime / 1000,
974                wifiRunningTime / 1000, bluetoothOnTime / 1000, rxTotal, txTotal,
975                fullWakeLockTimeTotal, partialWakeLockTimeTotal,
976                getInputEventCount(which));
977
978        // Dump screen brightness stats
979        Object[] args = new Object[NUM_SCREEN_BRIGHTNESS_BINS];
980        for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
981            args[i] = getScreenBrightnessTime(i, batteryRealtime, which) / 1000;
982        }
983        dumpLine(pw, 0 /* uid */, category, SCREEN_BRIGHTNESS_DATA, args);
984
985        // Dump signal strength stats
986        args = new Object[NUM_SIGNAL_STRENGTH_BINS];
987        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
988            args[i] = getPhoneSignalStrengthTime(i, batteryRealtime, which) / 1000;
989        }
990        dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_TIME_DATA, args);
991        dumpLine(pw, 0 /* uid */, category, SIGNAL_SCANNING_TIME_DATA,
992                getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
993        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
994            args[i] = getPhoneSignalStrengthCount(i, which);
995        }
996        dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_COUNT_DATA, args);
997
998        // Dump network type stats
999        args = new Object[NUM_DATA_CONNECTION_TYPES];
1000        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1001            args[i] = getPhoneDataConnectionTime(i, batteryRealtime, which) / 1000;
1002        }
1003        dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_TIME_DATA, args);
1004        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1005            args[i] = getPhoneDataConnectionCount(i, which);
1006        }
1007        dumpLine(pw, 0 /* uid */, category, DATA_CONNECTION_COUNT_DATA, args);
1008
1009        if (which == STATS_SINCE_UNPLUGGED) {
1010            dumpLine(pw, 0 /* uid */, category, BATTERY_LEVEL_DATA, getDischargeStartLevel(),
1011                    getDischargeCurrentLevel());
1012        }
1013
1014        if (reqUid < 0) {
1015            Map<String, ? extends BatteryStats.Timer> kernelWakelocks = getKernelWakelockStats();
1016            if (kernelWakelocks.size() > 0) {
1017                for (Map.Entry<String, ? extends BatteryStats.Timer> ent : kernelWakelocks.entrySet()) {
1018                    sb.setLength(0);
1019                    printWakeLockCheckin(sb, ent.getValue(), batteryRealtime, null, which, "");
1020
1021                    dumpLine(pw, 0 /* uid */, category, KERNEL_WAKELOCK_DATA, ent.getKey(),
1022                            sb.toString());
1023                }
1024            }
1025        }
1026
1027        for (int iu = 0; iu < NU; iu++) {
1028            final int uid = uidStats.keyAt(iu);
1029            if (reqUid >= 0 && uid != reqUid) {
1030                continue;
1031            }
1032            Uid u = uidStats.valueAt(iu);
1033            // Dump Network stats per uid, if any
1034            long rx = u.getTcpBytesReceived(which);
1035            long tx = u.getTcpBytesSent(which);
1036            long fullWifiLockOnTime = u.getFullWifiLockTime(batteryRealtime, which);
1037            long scanWifiLockOnTime = u.getScanWifiLockTime(batteryRealtime, which);
1038            long wifiTurnedOnTime = u.getWifiTurnedOnTime(batteryRealtime, which);
1039
1040            if (rx > 0 || tx > 0) dumpLine(pw, uid, category, NETWORK_DATA, rx, tx);
1041
1042            if (fullWifiLockOnTime != 0 || scanWifiLockOnTime != 0
1043                    || wifiTurnedOnTime != 0) {
1044                dumpLine(pw, uid, category, WIFI_LOCK_DATA,
1045                        fullWifiLockOnTime, scanWifiLockOnTime, wifiTurnedOnTime);
1046            }
1047
1048            if (u.hasUserActivity()) {
1049                args = new Object[Uid.NUM_USER_ACTIVITY_TYPES];
1050                boolean hasData = false;
1051                for (int i=0; i<Uid.NUM_USER_ACTIVITY_TYPES; i++) {
1052                    int val = u.getUserActivityCount(i, which);
1053                    args[i] = val;
1054                    if (val != 0) hasData = true;
1055                }
1056                if (hasData) {
1057                    dumpLine(pw, 0 /* uid */, category, USER_ACTIVITY_DATA, args);
1058                }
1059            }
1060
1061            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1062            if (wakelocks.size() > 0) {
1063                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1064                        : wakelocks.entrySet()) {
1065                    Uid.Wakelock wl = ent.getValue();
1066                    String linePrefix = "";
1067                    sb.setLength(0);
1068                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_FULL),
1069                            batteryRealtime, "f", which, linePrefix);
1070                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_PARTIAL),
1071                            batteryRealtime, "p", which, linePrefix);
1072                    linePrefix = printWakeLockCheckin(sb, wl.getWakeTime(WAKE_TYPE_WINDOW),
1073                            batteryRealtime, "w", which, linePrefix);
1074
1075                    // Only log if we had at lease one wakelock...
1076                    if (sb.length() > 0) {
1077                       dumpLine(pw, uid, category, WAKELOCK_DATA, ent.getKey(), sb.toString());
1078                    }
1079                }
1080            }
1081
1082            Map<Integer, ? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
1083            if (sensors.size() > 0)  {
1084                for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> ent
1085                        : sensors.entrySet()) {
1086                    Uid.Sensor se = ent.getValue();
1087                    int sensorNumber = ent.getKey();
1088                    Timer timer = se.getSensorTime();
1089                    if (timer != null) {
1090                        // Convert from microseconds to milliseconds with rounding
1091                        long totalTime = (timer.getTotalTimeLocked(batteryRealtime, which) + 500) / 1000;
1092                        int count = timer.getCountLocked(which);
1093                        if (totalTime != 0) {
1094                            dumpLine(pw, uid, category, SENSOR_DATA, sensorNumber, totalTime, count);
1095                        }
1096                    }
1097                }
1098            }
1099
1100            Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
1101            if (processStats.size() > 0) {
1102                for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
1103                        : processStats.entrySet()) {
1104                    Uid.Proc ps = ent.getValue();
1105
1106                    long userTime = ps.getUserTime(which);
1107                    long systemTime = ps.getSystemTime(which);
1108                    int starts = ps.getStarts(which);
1109
1110                    if (userTime != 0 || systemTime != 0 || starts != 0) {
1111                        dumpLine(pw, uid, category, PROCESS_DATA,
1112                                ent.getKey(), // proc
1113                                userTime * 10, // cpu time in ms
1114                                systemTime * 10, // user time in ms
1115                                starts); // process starts
1116                    }
1117                }
1118            }
1119
1120            Map<String, ? extends BatteryStats.Uid.Pkg> packageStats = u.getPackageStats();
1121            if (packageStats.size() > 0) {
1122                for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg> ent
1123                        : packageStats.entrySet()) {
1124
1125                    Uid.Pkg ps = ent.getValue();
1126                    int wakeups = ps.getWakeups(which);
1127                    Map<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
1128                    for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg.Serv> sent
1129                            : serviceStats.entrySet()) {
1130                        BatteryStats.Uid.Pkg.Serv ss = sent.getValue();
1131                        long startTime = ss.getStartTime(batteryUptime, which);
1132                        int starts = ss.getStarts(which);
1133                        int launches = ss.getLaunches(which);
1134                        if (startTime != 0 || starts != 0 || launches != 0) {
1135                            dumpLine(pw, uid, category, APK_DATA,
1136                                    wakeups, // wakeup alarms
1137                                    ent.getKey(), // Apk
1138                                    sent.getKey(), // service
1139                                    startTime / 1000, // time spent started, in ms
1140                                    starts,
1141                                    launches);
1142                        }
1143                    }
1144                }
1145            }
1146        }
1147    }
1148
1149    @SuppressWarnings("unused")
1150    public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUid) {
1151        final long rawUptime = SystemClock.uptimeMillis() * 1000;
1152        final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
1153        final long batteryUptime = getBatteryUptime(rawUptime);
1154        final long batteryRealtime = getBatteryRealtime(rawRealtime);
1155
1156        final long whichBatteryUptime = computeBatteryUptime(rawUptime, which);
1157        final long whichBatteryRealtime = computeBatteryRealtime(rawRealtime, which);
1158        final long totalRealtime = computeRealtime(rawRealtime, which);
1159        final long totalUptime = computeUptime(rawUptime, which);
1160
1161        StringBuilder sb = new StringBuilder(128);
1162
1163        SparseArray<? extends Uid> uidStats = getUidStats();
1164        final int NU = uidStats.size();
1165
1166        sb.setLength(0);
1167        sb.append(prefix);
1168                sb.append("  Time on battery: ");
1169                formatTimeMs(sb, whichBatteryRealtime / 1000); sb.append("(");
1170                sb.append(formatRatioLocked(whichBatteryRealtime, totalRealtime));
1171                sb.append(") realtime, ");
1172                formatTimeMs(sb, whichBatteryUptime / 1000);
1173                sb.append("("); sb.append(formatRatioLocked(whichBatteryUptime, totalRealtime));
1174                sb.append(") uptime");
1175        pw.println(sb.toString());
1176        sb.setLength(0);
1177        sb.append(prefix);
1178                sb.append("  Total run time: ");
1179                formatTimeMs(sb, totalRealtime / 1000);
1180                sb.append("realtime, ");
1181                formatTimeMs(sb, totalUptime / 1000);
1182                sb.append("uptime, ");
1183        pw.println(sb.toString());
1184
1185        final long screenOnTime = getScreenOnTime(batteryRealtime, which);
1186        final long phoneOnTime = getPhoneOnTime(batteryRealtime, which);
1187        final long wifiRunningTime = getWifiRunningTime(batteryRealtime, which);
1188        final long wifiOnTime = getWifiOnTime(batteryRealtime, which);
1189        final long bluetoothOnTime = getBluetoothOnTime(batteryRealtime, which);
1190        sb.setLength(0);
1191        sb.append(prefix);
1192                sb.append("  Screen on: "); formatTimeMs(sb, screenOnTime / 1000);
1193                sb.append("("); sb.append(formatRatioLocked(screenOnTime, whichBatteryRealtime));
1194                sb.append("), Input events: "); sb.append(getInputEventCount(which));
1195                sb.append(", Active phone call: "); formatTimeMs(sb, phoneOnTime / 1000);
1196                sb.append("("); sb.append(formatRatioLocked(phoneOnTime, whichBatteryRealtime));
1197                sb.append(")");
1198        pw.println(sb.toString());
1199        sb.setLength(0);
1200        sb.append(prefix);
1201        sb.append("  Screen brightnesses: ");
1202        boolean didOne = false;
1203        for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
1204            final long time = getScreenBrightnessTime(i, batteryRealtime, which);
1205            if (time == 0) {
1206                continue;
1207            }
1208            if (didOne) sb.append(", ");
1209            didOne = true;
1210            sb.append(SCREEN_BRIGHTNESS_NAMES[i]);
1211            sb.append(" ");
1212            formatTimeMs(sb, time/1000);
1213            sb.append("(");
1214            sb.append(formatRatioLocked(time, screenOnTime));
1215            sb.append(")");
1216        }
1217        if (!didOne) sb.append("No activity");
1218        pw.println(sb.toString());
1219
1220        // Calculate total network and wakelock times across all uids.
1221        long rxTotal = 0;
1222        long txTotal = 0;
1223        long fullWakeLockTimeTotalMicros = 0;
1224        long partialWakeLockTimeTotalMicros = 0;
1225
1226        if (reqUid < 0) {
1227            Map<String, ? extends BatteryStats.Timer> kernelWakelocks = getKernelWakelockStats();
1228            if (kernelWakelocks.size() > 0) {
1229                for (Map.Entry<String, ? extends BatteryStats.Timer> ent : kernelWakelocks.entrySet()) {
1230
1231                    String linePrefix = ": ";
1232                    sb.setLength(0);
1233                    sb.append(prefix);
1234                    sb.append("  Kernel Wake lock ");
1235                    sb.append(ent.getKey());
1236                    linePrefix = printWakeLock(sb, ent.getValue(), batteryRealtime, null, which,
1237                            linePrefix);
1238                    if (!linePrefix.equals(": ")) {
1239                        sb.append(" realtime");
1240                        // Only print out wake locks that were held
1241                        pw.println(sb.toString());
1242                    }
1243                }
1244            }
1245        }
1246
1247        for (int iu = 0; iu < NU; iu++) {
1248            Uid u = uidStats.valueAt(iu);
1249            rxTotal += u.getTcpBytesReceived(which);
1250            txTotal += u.getTcpBytesSent(which);
1251
1252            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1253            if (wakelocks.size() > 0) {
1254                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1255                        : wakelocks.entrySet()) {
1256                    Uid.Wakelock wl = ent.getValue();
1257
1258                    Timer fullWakeTimer = wl.getWakeTime(WAKE_TYPE_FULL);
1259                    if (fullWakeTimer != null) {
1260                        fullWakeLockTimeTotalMicros += fullWakeTimer.getTotalTimeLocked(
1261                                batteryRealtime, which);
1262                    }
1263
1264                    Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
1265                    if (partialWakeTimer != null) {
1266                        partialWakeLockTimeTotalMicros += partialWakeTimer.getTotalTimeLocked(
1267                                batteryRealtime, which);
1268                    }
1269                }
1270            }
1271        }
1272
1273        pw.print(prefix);
1274                pw.print("  Total received: "); pw.print(formatBytesLocked(rxTotal));
1275                pw.print(", Total sent: "); pw.println(formatBytesLocked(txTotal));
1276        sb.setLength(0);
1277        sb.append(prefix);
1278                sb.append("  Total full wakelock time: "); formatTimeMs(sb,
1279                        (fullWakeLockTimeTotalMicros + 500) / 1000);
1280                sb.append(", Total partial waklock time: "); formatTimeMs(sb,
1281                        (partialWakeLockTimeTotalMicros + 500) / 1000);
1282        pw.println(sb.toString());
1283
1284        sb.setLength(0);
1285        sb.append(prefix);
1286        sb.append("  Signal levels: ");
1287        didOne = false;
1288        for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
1289            final long time = getPhoneSignalStrengthTime(i, batteryRealtime, which);
1290            if (time == 0) {
1291                continue;
1292            }
1293            if (didOne) sb.append(", ");
1294            didOne = true;
1295            sb.append(SIGNAL_STRENGTH_NAMES[i]);
1296            sb.append(" ");
1297            formatTimeMs(sb, time/1000);
1298            sb.append("(");
1299            sb.append(formatRatioLocked(time, whichBatteryRealtime));
1300            sb.append(") ");
1301            sb.append(getPhoneSignalStrengthCount(i, which));
1302            sb.append("x");
1303        }
1304        if (!didOne) sb.append("No activity");
1305        pw.println(sb.toString());
1306
1307        sb.setLength(0);
1308        sb.append(prefix);
1309        sb.append("  Signal scanning time: ");
1310        formatTimeMs(sb, getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
1311        pw.println(sb.toString());
1312
1313        sb.setLength(0);
1314        sb.append(prefix);
1315        sb.append("  Radio types: ");
1316        didOne = false;
1317        for (int i=0; i<NUM_DATA_CONNECTION_TYPES; i++) {
1318            final long time = getPhoneDataConnectionTime(i, batteryRealtime, which);
1319            if (time == 0) {
1320                continue;
1321            }
1322            if (didOne) sb.append(", ");
1323            didOne = true;
1324            sb.append(DATA_CONNECTION_NAMES[i]);
1325            sb.append(" ");
1326            formatTimeMs(sb, time/1000);
1327            sb.append("(");
1328            sb.append(formatRatioLocked(time, whichBatteryRealtime));
1329            sb.append(") ");
1330            sb.append(getPhoneDataConnectionCount(i, which));
1331            sb.append("x");
1332        }
1333        if (!didOne) sb.append("No activity");
1334        pw.println(sb.toString());
1335
1336        sb.setLength(0);
1337        sb.append(prefix);
1338        sb.append("  Radio data uptime when unplugged: ");
1339        sb.append(getRadioDataUptime() / 1000);
1340        sb.append(" ms");
1341        pw.println(sb.toString());
1342
1343        sb.setLength(0);
1344        sb.append(prefix);
1345                sb.append("  Wifi on: "); formatTimeMs(sb, wifiOnTime / 1000);
1346                sb.append("("); sb.append(formatRatioLocked(wifiOnTime, whichBatteryRealtime));
1347                sb.append("), Wifi running: "); formatTimeMs(sb, wifiRunningTime / 1000);
1348                sb.append("("); sb.append(formatRatioLocked(wifiRunningTime, whichBatteryRealtime));
1349                sb.append("), Bluetooth on: "); formatTimeMs(sb, bluetoothOnTime / 1000);
1350                sb.append("("); sb.append(formatRatioLocked(bluetoothOnTime, whichBatteryRealtime));
1351                sb.append(")");
1352        pw.println(sb.toString());
1353
1354        pw.println(" ");
1355
1356        if (which == STATS_SINCE_UNPLUGGED) {
1357            if (getIsOnBattery()) {
1358                pw.print(prefix); pw.println("  Device is currently unplugged");
1359                pw.print(prefix); pw.print("    Discharge cycle start level: ");
1360                        pw.println(getDischargeStartLevel());
1361                pw.print(prefix); pw.print("    Discharge cycle current level: ");
1362                        pw.println(getDischargeCurrentLevel());
1363            } else {
1364                pw.print(prefix); pw.println("  Device is currently plugged into power");
1365                pw.print(prefix); pw.print("    Last discharge cycle start level: ");
1366                        pw.println(getDischargeStartLevel());
1367                pw.print(prefix); pw.print("    Last discharge cycle end level: ");
1368                        pw.println(getDischargeCurrentLevel());
1369            }
1370            pw.println(" ");
1371        }
1372
1373
1374        for (int iu=0; iu<NU; iu++) {
1375            final int uid = uidStats.keyAt(iu);
1376            if (reqUid >= 0 && uid != reqUid) {
1377                continue;
1378            }
1379
1380            Uid u = uidStats.valueAt(iu);
1381
1382            pw.println(prefix + "  #" + uid + ":");
1383            boolean uidActivity = false;
1384
1385            long tcpReceived = u.getTcpBytesReceived(which);
1386            long tcpSent = u.getTcpBytesSent(which);
1387            long fullWifiLockOnTime = u.getFullWifiLockTime(batteryRealtime, which);
1388            long scanWifiLockOnTime = u.getScanWifiLockTime(batteryRealtime, which);
1389            long wifiTurnedOnTime = u.getWifiTurnedOnTime(batteryRealtime, which);
1390
1391            if (tcpReceived != 0 || tcpSent != 0) {
1392                pw.print(prefix); pw.print("    Network: ");
1393                        pw.print(formatBytesLocked(tcpReceived)); pw.print(" received, ");
1394                        pw.print(formatBytesLocked(tcpSent)); pw.println(" sent");
1395            }
1396
1397            if (u.hasUserActivity()) {
1398                boolean hasData = false;
1399                for (int i=0; i<NUM_SCREEN_BRIGHTNESS_BINS; i++) {
1400                    int val = u.getUserActivityCount(i, which);
1401                    if (val != 0) {
1402                        if (!hasData) {
1403                            sb.setLength(0);
1404                            sb.append("    User activity: ");
1405                            hasData = true;
1406                        } else {
1407                            sb.append(", ");
1408                        }
1409                        sb.append(val);
1410                        sb.append(" ");
1411                        sb.append(Uid.USER_ACTIVITY_TYPES[i]);
1412                    }
1413                }
1414                if (hasData) {
1415                    pw.println(sb.toString());
1416                }
1417            }
1418
1419            if (fullWifiLockOnTime != 0 || scanWifiLockOnTime != 0
1420                    || wifiTurnedOnTime != 0) {
1421                sb.setLength(0);
1422                sb.append(prefix); sb.append("    Turned Wifi On: ");
1423                        formatTimeMs(sb, wifiTurnedOnTime / 1000);
1424                        sb.append("("); sb.append(formatRatioLocked(wifiTurnedOnTime,
1425                                whichBatteryRealtime)); sb.append(")\n");
1426                sb.append(prefix); sb.append("    Full Wifi Lock: ");
1427                        formatTimeMs(sb, fullWifiLockOnTime / 1000);
1428                        sb.append("("); sb.append(formatRatioLocked(fullWifiLockOnTime,
1429                                whichBatteryRealtime)); sb.append(")\n");
1430                sb.append(prefix); sb.append("    Scan Wifi Lock: ");
1431                        formatTimeMs(sb, scanWifiLockOnTime / 1000);
1432                        sb.append("("); sb.append(formatRatioLocked(scanWifiLockOnTime,
1433                                whichBatteryRealtime)); sb.append(")");
1434                pw.println(sb.toString());
1435            }
1436
1437            Map<String, ? extends BatteryStats.Uid.Wakelock> wakelocks = u.getWakelockStats();
1438            if (wakelocks.size() > 0) {
1439                for (Map.Entry<String, ? extends BatteryStats.Uid.Wakelock> ent
1440                    : wakelocks.entrySet()) {
1441                    Uid.Wakelock wl = ent.getValue();
1442                    String linePrefix = ": ";
1443                    sb.setLength(0);
1444                    sb.append(prefix);
1445                    sb.append("    Wake lock ");
1446                    sb.append(ent.getKey());
1447                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_FULL), batteryRealtime,
1448                            "full", which, linePrefix);
1449                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_PARTIAL), batteryRealtime,
1450                            "partial", which, linePrefix);
1451                    linePrefix = printWakeLock(sb, wl.getWakeTime(WAKE_TYPE_WINDOW), batteryRealtime,
1452                            "window", which, linePrefix);
1453                    if (!linePrefix.equals(": ")) {
1454                        sb.append(" realtime");
1455                        // Only print out wake locks that were held
1456                        pw.println(sb.toString());
1457                        uidActivity = true;
1458                    }
1459                }
1460            }
1461
1462            Map<Integer, ? extends BatteryStats.Uid.Sensor> sensors = u.getSensorStats();
1463            if (sensors.size() > 0) {
1464                for (Map.Entry<Integer, ? extends BatteryStats.Uid.Sensor> ent
1465                    : sensors.entrySet()) {
1466                    Uid.Sensor se = ent.getValue();
1467                    int sensorNumber = ent.getKey();
1468                    sb.setLength(0);
1469                    sb.append(prefix);
1470                    sb.append("    Sensor ");
1471                    int handle = se.getHandle();
1472                    if (handle == Uid.Sensor.GPS) {
1473                        sb.append("GPS");
1474                    } else {
1475                        sb.append(handle);
1476                    }
1477                    sb.append(": ");
1478
1479                    Timer timer = se.getSensorTime();
1480                    if (timer != null) {
1481                        // Convert from microseconds to milliseconds with rounding
1482                        long totalTime = (timer.getTotalTimeLocked(
1483                                batteryRealtime, which) + 500) / 1000;
1484                        int count = timer.getCountLocked(which);
1485                        //timer.logState();
1486                        if (totalTime != 0) {
1487                            formatTimeMs(sb, totalTime);
1488                            sb.append("realtime (");
1489                            sb.append(count);
1490                            sb.append(" times)");
1491                        } else {
1492                            sb.append("(not used)");
1493                        }
1494                    } else {
1495                        sb.append("(not used)");
1496                    }
1497
1498                    pw.println(sb.toString());
1499                    uidActivity = true;
1500                }
1501            }
1502
1503            Map<String, ? extends BatteryStats.Uid.Proc> processStats = u.getProcessStats();
1504            if (processStats.size() > 0) {
1505                for (Map.Entry<String, ? extends BatteryStats.Uid.Proc> ent
1506                    : processStats.entrySet()) {
1507                    Uid.Proc ps = ent.getValue();
1508                    long userTime;
1509                    long systemTime;
1510                    int starts;
1511
1512                    userTime = ps.getUserTime(which);
1513                    systemTime = ps.getSystemTime(which);
1514                    starts = ps.getStarts(which);
1515
1516                    if (userTime != 0 || systemTime != 0 || starts != 0) {
1517                        sb.setLength(0);
1518                        sb.append(prefix); sb.append("    Proc ");
1519                                sb.append(ent.getKey()); sb.append(":\n");
1520                        sb.append(prefix); sb.append("      CPU: ");
1521                                formatTime(sb, userTime); sb.append("usr + ");
1522                                formatTime(sb, systemTime); sb.append("krn\n");
1523                        sb.append(prefix); sb.append("      "); sb.append(starts);
1524                                sb.append(" proc starts");
1525                        pw.println(sb.toString());
1526                        uidActivity = true;
1527                    }
1528                }
1529            }
1530
1531            Map<String, ? extends BatteryStats.Uid.Pkg> packageStats = u.getPackageStats();
1532            if (packageStats.size() > 0) {
1533                for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg> ent
1534                    : packageStats.entrySet()) {
1535                    pw.print(prefix); pw.print("    Apk "); pw.print(ent.getKey()); pw.println(":");
1536                    boolean apkActivity = false;
1537                    Uid.Pkg ps = ent.getValue();
1538                    int wakeups = ps.getWakeups(which);
1539                    if (wakeups != 0) {
1540                        pw.print(prefix); pw.print("      ");
1541                                pw.print(wakeups); pw.println(" wakeup alarms");
1542                        apkActivity = true;
1543                    }
1544                    Map<String, ? extends  Uid.Pkg.Serv> serviceStats = ps.getServiceStats();
1545                    if (serviceStats.size() > 0) {
1546                        for (Map.Entry<String, ? extends BatteryStats.Uid.Pkg.Serv> sent
1547                                : serviceStats.entrySet()) {
1548                            BatteryStats.Uid.Pkg.Serv ss = sent.getValue();
1549                            long startTime = ss.getStartTime(batteryUptime, which);
1550                            int starts = ss.getStarts(which);
1551                            int launches = ss.getLaunches(which);
1552                            if (startTime != 0 || starts != 0 || launches != 0) {
1553                                sb.setLength(0);
1554                                sb.append(prefix); sb.append("      Service ");
1555                                        sb.append(sent.getKey()); sb.append(":\n");
1556                                sb.append(prefix); sb.append("        Created for: ");
1557                                        formatTimeMs(sb, startTime / 1000);
1558                                        sb.append(" uptime\n");
1559                                sb.append(prefix); sb.append("        Starts: ");
1560                                        sb.append(starts);
1561                                        sb.append(", launches: "); sb.append(launches);
1562                                pw.println(sb.toString());
1563                                apkActivity = true;
1564                            }
1565                        }
1566                    }
1567                    if (!apkActivity) {
1568                        pw.print(prefix); pw.println("      (nothing executed)");
1569                    }
1570                    uidActivity = true;
1571                }
1572            }
1573            if (!uidActivity) {
1574                pw.print(prefix); pw.println("    (nothing executed)");
1575            }
1576        }
1577    }
1578
1579    void printBitDescriptions(PrintWriter pw, int oldval, int newval, BitDescription[] descriptions) {
1580        int diff = oldval ^ newval;
1581        if (diff == 0) return;
1582        for (int i=0; i<descriptions.length; i++) {
1583            BitDescription bd = descriptions[i];
1584            if ((diff&bd.mask) != 0) {
1585                if (bd.shift < 0) {
1586                    pw.print((newval&bd.mask) != 0 ? " +" : " -");
1587                    pw.print(bd.name);
1588                } else {
1589                    pw.print(" ");
1590                    pw.print(bd.name);
1591                    pw.print("=");
1592                    int val = (newval&bd.mask)>>bd.shift;
1593                    if (bd.values != null && val >= 0 && val < bd.values.length) {
1594                        pw.print(bd.values[val]);
1595                    } else {
1596                        pw.print(val);
1597                    }
1598                }
1599            }
1600        }
1601    }
1602
1603    /**
1604     * Dumps a human-readable summary of the battery statistics to the given PrintWriter.
1605     *
1606     * @param pw a Printer to receive the dump output.
1607     */
1608    @SuppressWarnings("unused")
1609    public void dumpLocked(PrintWriter pw) {
1610        HistoryItem rec = getHistory();
1611        if (rec != null) {
1612            pw.println("Battery History:");
1613            int oldState = 0;
1614            int oldStatus = -1;
1615            int oldHealth = -1;
1616            int oldPlug = -1;
1617            int oldTemp = -1;
1618            int oldVolt = -1;
1619            while (rec != null) {
1620                pw.print("  ");
1621                pw.print(rec.time);
1622                pw.print(" ");
1623                if (rec.cmd == HistoryItem.CMD_START) {
1624                    pw.println(" START");
1625                } else {
1626                    if (rec.batteryLevel < 10) pw.print("00");
1627                    else if (rec.batteryLevel < 100) pw.print("0");
1628                    pw.print(rec.batteryLevel);
1629                    pw.print(" ");
1630                    if (rec.states < 0x10) pw.print("0000000");
1631                    else if (rec.states < 0x100) pw.print("000000");
1632                    else if (rec.states < 0x1000) pw.print("00000");
1633                    else if (rec.states < 0x10000) pw.print("0000");
1634                    else if (rec.states < 0x100000) pw.print("000");
1635                    else if (rec.states < 0x1000000) pw.print("00");
1636                    else if (rec.states < 0x10000000) pw.print("0");
1637                    pw.print(Integer.toHexString(rec.states));
1638                    if (oldStatus != rec.batteryStatus) {
1639                        oldStatus = rec.batteryStatus;
1640                        pw.print(" status=");
1641                        switch (oldStatus) {
1642                            case BatteryManager.BATTERY_STATUS_UNKNOWN:
1643                                pw.print("unknown");
1644                                break;
1645                            case BatteryManager.BATTERY_STATUS_CHARGING:
1646                                pw.print("charging");
1647                                break;
1648                            case BatteryManager.BATTERY_STATUS_DISCHARGING:
1649                                pw.print("discharging");
1650                                break;
1651                            case BatteryManager.BATTERY_STATUS_NOT_CHARGING:
1652                                pw.print("not-charging");
1653                                break;
1654                            case BatteryManager.BATTERY_STATUS_FULL:
1655                                pw.print("full");
1656                                break;
1657                            default:
1658                                pw.print(oldStatus);
1659                                break;
1660                        }
1661                    }
1662                    if (oldHealth != rec.batteryHealth) {
1663                        oldHealth = rec.batteryHealth;
1664                        pw.print(" health=");
1665                        switch (oldHealth) {
1666                            case BatteryManager.BATTERY_HEALTH_UNKNOWN:
1667                                pw.print("unknown");
1668                                break;
1669                            case BatteryManager.BATTERY_HEALTH_GOOD:
1670                                pw.print("good");
1671                                break;
1672                            case BatteryManager.BATTERY_HEALTH_OVERHEAT:
1673                                pw.print("overheat");
1674                                break;
1675                            case BatteryManager.BATTERY_HEALTH_DEAD:
1676                                pw.print("dead");
1677                                break;
1678                            case BatteryManager.BATTERY_HEALTH_OVER_VOLTAGE:
1679                                pw.print("over-voltage");
1680                                break;
1681                            case BatteryManager.BATTERY_HEALTH_UNSPECIFIED_FAILURE:
1682                                pw.print("failure");
1683                                break;
1684                            default:
1685                                pw.print(oldHealth);
1686                                break;
1687                        }
1688                    }
1689                    if (oldPlug != rec.batteryPlugType) {
1690                        oldPlug = rec.batteryPlugType;
1691                        pw.print(" plug=");
1692                        switch (oldPlug) {
1693                            case 0:
1694                                pw.print("none");
1695                                break;
1696                            case BatteryManager.BATTERY_PLUGGED_AC:
1697                                pw.print("ac");
1698                                break;
1699                            case BatteryManager.BATTERY_PLUGGED_USB:
1700                                pw.print("usb");
1701                                break;
1702                            default:
1703                                pw.print(oldPlug);
1704                                break;
1705                        }
1706                    }
1707                    if (oldTemp != rec.batteryTemperature) {
1708                        oldTemp = rec.batteryTemperature;
1709                        pw.print(" temp=");
1710                        pw.print(oldTemp);
1711                    }
1712                    if (oldVolt != rec.batteryVoltage) {
1713                        oldVolt = rec.batteryVoltage;
1714                        pw.print(" volt=");
1715                        pw.print(oldVolt);
1716                    }
1717                    printBitDescriptions(pw, oldState, rec.states,
1718                            HISTORY_STATE_DESCRIPTIONS);
1719                    pw.println();
1720                }
1721                oldState = rec.states;
1722                rec = rec.next;
1723            }
1724        }
1725
1726        pw.println("Statistics since last charge:");
1727        pw.println("  System starts: " + getStartCount()
1728                + ", currently on battery: " + getIsOnBattery());
1729        dumpLocked(pw, "", STATS_SINCE_CHARGED, -1);
1730        pw.println("");
1731        pw.println("Statistics since last unplugged:");
1732        dumpLocked(pw, "", STATS_SINCE_UNPLUGGED, -1);
1733    }
1734
1735    @SuppressWarnings("unused")
1736    public void dumpCheckinLocked(PrintWriter pw, String[] args) {
1737        boolean isUnpluggedOnly = false;
1738
1739        for (String arg : args) {
1740            if ("-u".equals(arg)) {
1741                if (LOCAL_LOGV) Log.v("BatteryStats", "Dumping unplugged data");
1742                isUnpluggedOnly = true;
1743            }
1744        }
1745
1746        if (isUnpluggedOnly) {
1747            dumpCheckinLocked(pw, STATS_SINCE_UNPLUGGED, -1);
1748        }
1749        else {
1750            dumpCheckinLocked(pw, STATS_SINCE_CHARGED, -1);
1751            dumpCheckinLocked(pw, STATS_SINCE_UNPLUGGED, -1);
1752        }
1753    }
1754}
1755