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Add new constructor to create BatteryHistEntry from interpolation

Browse Source 
https://matthew-brett.github.io/teaching/linear_interpolation.html

Bug: 184807417
Test: make SettingsRoboTests
Change-Id: I6dbdb3db8243e40bc54bde3aab7157fda2719de9
This commit is contained in:
ykhung
2021-05-05 14:03:02 +08:00
parent 973212adf7
commit 9db43b8f76
2 changed files with 241 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
src/com/android/settings/fuelgauge/BatteryHistEntry.java
View File

@@ -114,6 +114,35 @@ public class BatteryHistEntry {
mBatteryHealth = getInteger(cursor, KEY_BATTERY_HEALTH); mBatteryHealth = getInteger(cursor, KEY_BATTERY_HEALTH);
} }
private BatteryHistEntry(
BatteryHistEntry fromEntry,
long bootTimestamp,
long timestamp,
double totalPower,
double consumePower,
long foregroundUsageTimeInMs,
long backgroundUsageTimeInMs,
int batteryLevel) {
mUid = fromEntry.mUid;
mUserId = fromEntry.mUserId;
mAppLabel = fromEntry.mAppLabel;
mPackageName = fromEntry.mPackageName;
mIsHidden = fromEntry.mIsHidden;
mBootTimestamp = bootTimestamp;
mTimestamp = timestamp;
mZoneId = fromEntry.mZoneId;
mTotalPower = totalPower;
mConsumePower = consumePower;
mPercentOfTotal = fromEntry.mPercentOfTotal;
mForegroundUsageTimeInMs = foregroundUsageTimeInMs;
mBackgroundUsageTimeInMs = backgroundUsageTimeInMs;
mDrainType = fromEntry.mDrainType;
mConsumerType = fromEntry.mConsumerType;
mBatteryLevel = batteryLevel;
mBatteryStatus = fromEntry.mBatteryStatus;
mBatteryHealth = fromEntry.mBatteryHealth;
}
/** Whether this {@link BatteryHistEntry} is valid or not? */ /** Whether this {@link BatteryHistEntry} is valid or not? */
public boolean isValidEntry() { public boolean isValidEntry() {
return mIsValidEntry; return mIsValidEntry;
@@ -257,4 +286,50 @@ public class BatteryHistEntry {
mIsValidEntry = false; mIsValidEntry = false;
return false; return false;
} }
/** Creates new {@link BatteryHistEntry} from interpolation. */
public static BatteryHistEntry interpolate(
long slotTimestamp,
long upperTimestamp,
double ratio,
BatteryHistEntry lowerHistEntry,
BatteryHistEntry upperHistEntry) {
final double totalPower = interpolate(
lowerHistEntry == null ? 0 : lowerHistEntry.mTotalPower,
upperHistEntry.mTotalPower,
ratio);
final double consumePower = interpolate(
lowerHistEntry == null ? 0 : lowerHistEntry.mConsumePower,
upperHistEntry.mConsumePower,
ratio);
final double foregroundUsageTimeInMs = interpolate(
lowerHistEntry == null ? 0 : lowerHistEntry.mForegroundUsageTimeInMs,
upperHistEntry.mForegroundUsageTimeInMs,
ratio);
final double backgroundUsageTimeInMs = interpolate(
lowerHistEntry == null ? 0 : lowerHistEntry.mBackgroundUsageTimeInMs,
upperHistEntry.mBackgroundUsageTimeInMs,
ratio);
final double batteryLevel =
lowerHistEntry == null
? upperHistEntry.mBatteryLevel
: interpolate(
lowerHistEntry.mBatteryLevel,
upperHistEntry.mBatteryLevel,
ratio);
return new BatteryHistEntry(
upperHistEntry,
/*bootTimestamp=*/ upperHistEntry.mBootTimestamp
- (upperTimestamp - slotTimestamp),
/*timestamp=*/ slotTimestamp,
totalPower,
consumePower,
Math.round(foregroundUsageTimeInMs),
Math.round(backgroundUsageTimeInMs),
(int) Math.round(batteryLevel));
}
private static double interpolate(double v1, double v2, double ratio) {
return v1 + ratio * (v2 - v1);
}
} }

215
tests/robotests/src/com/android/settings/fuelgauge/BatteryHistEntryTest.java
View File

@@ -87,50 +87,15 @@ public final class BatteryHistEntryTest {
@Test @Test
public void testConstructor_cursor_returnsExpectedResult() { public void testConstructor_cursor_returnsExpectedResult() {
final MatrixCursor cursor = new MatrixCursor(
new String[] {
BatteryHistEntry.KEY_UID,
BatteryHistEntry.KEY_USER_ID,
BatteryHistEntry.KEY_APP_LABEL,
BatteryHistEntry.KEY_PACKAGE_NAME,
BatteryHistEntry.KEY_IS_HIDDEN,
BatteryHistEntry.KEY_BOOT_TIMESTAMP,
BatteryHistEntry.KEY_TIMESTAMP,
BatteryHistEntry.KEY_ZONE_ID,
BatteryHistEntry.KEY_TOTAL_POWER,
BatteryHistEntry.KEY_CONSUME_POWER,
BatteryHistEntry.KEY_PERCENT_OF_TOTAL,
BatteryHistEntry.KEY_FOREGROUND_USAGE_TIME,
BatteryHistEntry.KEY_BACKGROUND_USAGE_TIME,
BatteryHistEntry.KEY_DRAIN_TYPE,
BatteryHistEntry.KEY_CONSUMER_TYPE,
BatteryHistEntry.KEY_BATTERY_LEVEL,
BatteryHistEntry.KEY_BATTERY_STATUS,
BatteryHistEntry.KEY_BATTERY_HEALTH});
cursor.addRow(
new Object[] {
Long.valueOf(1001),
Long.valueOf(UserHandle.getUserId(1001)),
"Settings",
"com.google.android.settings.battery",
Integer.valueOf(1),
Long.valueOf(101l),
Long.valueOf(10001L),
TimeZone.getDefault().getID(),
Double.valueOf(5.1),
Double.valueOf(1.1),
Double.valueOf(0.3),
Long.valueOf(1234L),
Long.valueOf(5689L),
Integer.valueOf(3),
Integer.valueOf(ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY),
Integer.valueOf(12),
Integer.valueOf(BatteryManager.BATTERY_STATUS_FULL),
Integer.valueOf(BatteryManager.BATTERY_HEALTH_COLD)});
cursor.moveToFirst();
assertBatteryHistEntry( assertBatteryHistEntry(
new BatteryHistEntry(cursor), createBatteryHistEntry(
/*bootTimestamp=*/ 101L,
/*timestamp=*/ 10001L,
/*totalPower=*/ 5.1,
/*consumePower=*/ 1.1,
/*foregroundUsageTimeInMs=*/ 1234L,
/*backgroundUsageTimeInMs=*/ 5689L,
/*batteryLevel=*/ 12),
/*drainType=*/ 3, /*drainType=*/ 3,
/*percentOfTotal=*/ 0.3); /*percentOfTotal=*/ 0.3);
} }
@@ -195,6 +160,82 @@ public final class BatteryHistEntryTest {
.isFalse(); .isFalse();
} }
@Test
public void testInterpolate_returnExpectedResult() {
final long slotTimestamp = 200L;
final long upperTimestamp = 300L;
final long lowerTimestamp = 100L;
final double ratio = 0.5;
final BatteryHistEntry lowerHistEntry = createBatteryHistEntry(
/*bootTimestamp=*/ 1000L,
lowerTimestamp,
/*totalPower=*/ 50,
/*consumePower=*/ 10,
/*foregroundUsageTimeInMs=*/ 100,
/*backgroundUsageTimeInMs=*/ 200,
/*batteryLevel=*/ 90);
final BatteryHistEntry upperHistEntry = createBatteryHistEntry(
/*bootTimestamp=*/ 1200L,
upperTimestamp,
/*totalPower=*/ 80,
/*consumePower=*/ 20,
/*foregroundUsageTimeInMs=*/ 200,
/*backgroundUsageTimeInMs=*/ 300,
/*batteryLevel=*/ 80);
final BatteryHistEntry newEntry =
BatteryHistEntry.interpolate(
slotTimestamp,
upperTimestamp,
ratio,
lowerHistEntry,
upperHistEntry);
assertBatteryHistEntry(
newEntry, 3, upperHistEntry.mPercentOfTotal,
/*bootTimestamp=*/ 1200 - 100,
/*timestamp=*/ slotTimestamp,
/*totalPower=*/ 50 + 0.5 * (80 - 50),
/*consumePower=*/ 10 + 0.5 * (20 - 10),
/*foregroundUsageTimeInMs=*/ Math.round(100 + 0.5 * (200 - 100)),
/*backgroundUsageTimeInMs=*/ Math.round(200 + 0.5 * (300 - 200)),
/*batteryLevel=*/ (int) Math.round(90 + 0.5 * (80 - 90)));
}
@Test
public void testInterpolate_withoutLowerEntryData_returnExpectedResult() {
final long slotTimestamp = 200L;
final long upperTimestamp = 300L;
final long lowerTimestamp = 100L;
final double ratio = 0.5;
final BatteryHistEntry upperHistEntry = createBatteryHistEntry(
/*bootTimestamp=*/ 1200L,
upperTimestamp,
/*totalPower=*/ 80,
/*consumePower=*/ 20,
/*foregroundUsageTimeInMs=*/ 200,
/*backgroundUsageTimeInMs=*/ 300,
/*batteryLevel=*/ 80);
final BatteryHistEntry newEntry =
BatteryHistEntry.interpolate(
slotTimestamp,
upperTimestamp,
ratio,
/*lowerHistEntry=*/ null,
upperHistEntry);
assertBatteryHistEntry(
newEntry, 3, upperHistEntry.mPercentOfTotal,
/*bootTimestamp=*/ 1200 - 100,
/*timestamp=*/ slotTimestamp,
/*totalPower=*/ 0.5 * 80,
/*consumePower=*/ 0.5 * 20,
/*foregroundUsageTimeInMs=*/ Math.round(0.5 * 200),
/*backgroundUsageTimeInMs=*/ Math.round(0.5 * 300),
/*batteryLevel=*/ upperHistEntry.mBatteryLevel);
}
private static BatteryHistEntry createEntry(int consumerType) { private static BatteryHistEntry createEntry(int consumerType) {
return new BatteryHistEntry(getContentValuesWithType(consumerType)); return new BatteryHistEntry(getContentValuesWithType(consumerType));
} }
@@ -208,6 +249,28 @@ public final class BatteryHistEntryTest {
private void assertBatteryHistEntry( private void assertBatteryHistEntry(
BatteryHistEntry entry, int drainType, double percentOfTotal) { BatteryHistEntry entry, int drainType, double percentOfTotal) {
assertBatteryHistEntry(
entry, drainType, percentOfTotal,
/*bootTimestamp=*/ 101L,
/*timestamp=*/ 10001L,
/*totalPower=*/ 5.1,
/*consumePower=*/ 1.1,
/*foregroundUsageTimeInMs=*/ 1234L,
/*backgroundUsageTimeInMs=*/ 5689L,
/*batteryLevel=*/ 12);
}
private void assertBatteryHistEntry(
BatteryHistEntry entry,
int drainType,
double percentOfTotal,
long bootTimestamp,
long timestamp,
double totalPower,
double consumePower,
long foregroundUsageTimeInMs,
long backgroundUsageTimeInMs,
int batteryLevel) {
assertThat(entry.isValidEntry()).isTrue(); assertThat(entry.isValidEntry()).isTrue();
assertThat(entry.mUid).isEqualTo(1001); assertThat(entry.mUid).isEqualTo(1001);
assertThat(entry.mUserId).isEqualTo(UserHandle.getUserId(1001)); assertThat(entry.mUserId).isEqualTo(UserHandle.getUserId(1001));
@@ -215,21 +278,73 @@ public final class BatteryHistEntryTest {
assertThat(entry.mPackageName) assertThat(entry.mPackageName)
.isEqualTo("com.google.android.settings.battery"); .isEqualTo("com.google.android.settings.battery");
assertThat(entry.mIsHidden).isTrue(); assertThat(entry.mIsHidden).isTrue();
assertThat(entry.mBootTimestamp).isEqualTo(101L); assertThat(entry.mBootTimestamp).isEqualTo(bootTimestamp);
assertThat(entry.mTimestamp).isEqualTo(10001L); assertThat(entry.mTimestamp).isEqualTo(timestamp);
assertThat(entry.mZoneId).isEqualTo(TimeZone.getDefault().getID()); assertThat(entry.mZoneId).isEqualTo(TimeZone.getDefault().getID());
assertThat(entry.mTotalPower).isEqualTo(5.1); assertThat(entry.mTotalPower).isEqualTo(totalPower);
assertThat(entry.mConsumePower).isEqualTo(1.1); assertThat(entry.mConsumePower).isEqualTo(consumePower);
assertThat(entry.mPercentOfTotal).isEqualTo(percentOfTotal); assertThat(entry.mPercentOfTotal).isEqualTo(percentOfTotal);
assertThat(entry.mForegroundUsageTimeInMs).isEqualTo(1234L); assertThat(entry.mForegroundUsageTimeInMs).isEqualTo(foregroundUsageTimeInMs);
assertThat(entry.mBackgroundUsageTimeInMs).isEqualTo(5689L); assertThat(entry.mBackgroundUsageTimeInMs).isEqualTo(backgroundUsageTimeInMs);
assertThat(entry.mDrainType).isEqualTo(drainType); assertThat(entry.mDrainType).isEqualTo(drainType);
assertThat(entry.mConsumerType) assertThat(entry.mConsumerType)
.isEqualTo(ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY); .isEqualTo(ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY);
assertThat(entry.mBatteryLevel).isEqualTo(12); assertThat(entry.mBatteryLevel).isEqualTo(batteryLevel);
assertThat(entry.mBatteryStatus) assertThat(entry.mBatteryStatus)
.isEqualTo(BatteryManager.BATTERY_STATUS_FULL); .isEqualTo(BatteryManager.BATTERY_STATUS_FULL);
assertThat(entry.mBatteryHealth) assertThat(entry.mBatteryHealth)
.isEqualTo(BatteryManager.BATTERY_HEALTH_COLD); .isEqualTo(BatteryManager.BATTERY_HEALTH_COLD);
} }
private BatteryHistEntry createBatteryHistEntry(
long bootTimestamp,
long timestamp,
double totalPower,
double consumePower,
long foregroundUsageTimeInMs,
long backgroundUsageTimeInMs,
int batteryLevel) {
final MatrixCursor cursor = new MatrixCursor(
new String[] {
BatteryHistEntry.KEY_UID,
BatteryHistEntry.KEY_USER_ID,
BatteryHistEntry.KEY_APP_LABEL,
BatteryHistEntry.KEY_PACKAGE_NAME,
BatteryHistEntry.KEY_IS_HIDDEN,
BatteryHistEntry.KEY_BOOT_TIMESTAMP,
BatteryHistEntry.KEY_TIMESTAMP,
BatteryHistEntry.KEY_ZONE_ID,
BatteryHistEntry.KEY_TOTAL_POWER,
BatteryHistEntry.KEY_CONSUME_POWER,
BatteryHistEntry.KEY_PERCENT_OF_TOTAL,
BatteryHistEntry.KEY_FOREGROUND_USAGE_TIME,
BatteryHistEntry.KEY_BACKGROUND_USAGE_TIME,
BatteryHistEntry.KEY_DRAIN_TYPE,
BatteryHistEntry.KEY_CONSUMER_TYPE,
BatteryHistEntry.KEY_BATTERY_LEVEL,
BatteryHistEntry.KEY_BATTERY_STATUS,
BatteryHistEntry.KEY_BATTERY_HEALTH});
cursor.addRow(
new Object[] {
Long.valueOf(1001),
Long.valueOf(UserHandle.getUserId(1001)),
"Settings",
"com.google.android.settings.battery",
Integer.valueOf(1),
Long.valueOf(bootTimestamp),
Long.valueOf(timestamp),
TimeZone.getDefault().getID(),
Double.valueOf(totalPower),
Double.valueOf(consumePower),
Double.valueOf(0.3),
Long.valueOf(foregroundUsageTimeInMs),
Long.valueOf(backgroundUsageTimeInMs),
Integer.valueOf(3),
Integer.valueOf(ConvertUtils.CONSUMER_TYPE_SYSTEM_BATTERY),
Integer.valueOf(batteryLevel),
Integer.valueOf(BatteryManager.BATTERY_STATUS_FULL),
Integer.valueOf(BatteryManager.BATTERY_HEALTH_COLD)});
cursor.moveToFirst();
return new BatteryHistEntry(cursor);
}
} }