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am 23c7b927: Add trace tag for power management.

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* commit '23c7b927f620ca836c52351b54e0a26e51e03615':
  Add trace tag for power management.
This commit is contained in:
Jeff Brown
2014-08-16 01:58:16 +00:00
committed by Android Git Automerger
parent e58ab6a904 3edf5272fb
commit 3575a72ead
9 changed files with 337 additions and 237 deletions
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5
core/java/android/os/PowerManager.java
View File

@@ -773,6 +773,7 @@ public final class PowerManager {
private boolean mHeld;
private WorkSource mWorkSource;
private String mHistoryTag;
private final String mTraceName;
private final Runnable mReleaser = new Runnable() {
public void run() {
@@ -785,6 +786,7 @@ public final class PowerManager {
mTag = tag;
mPackageName = packageName;
mToken = new Binder();
mTraceName = "WakeLock (" + mTag + ")";
}
@Override
@@ -792,6 +794,7 @@ public final class PowerManager {
synchronized (mToken) {
if (mHeld) {
Log.wtf(TAG, "WakeLock finalized while still held: " + mTag);
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0);
try {
mService.releaseWakeLock(mToken, 0);
} catch (RemoteException e) {
@@ -858,6 +861,7 @@ public final class PowerManager {
// should immediately acquire the wake lock once again despite never having
// been explicitly released by the keyguard.
mHandler.removeCallbacks(mReleaser);
Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, mTraceName, 0);
try {
mService.acquireWakeLock(mToken, mFlags, mTag, mPackageName, mWorkSource,
mHistoryTag);
@@ -897,6 +901,7 @@ public final class PowerManager {
if (!mRefCounted || --mCount == 0) {
mHandler.removeCallbacks(mReleaser);
if (mHeld) {
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0);
try {
mService.releaseWakeLock(mToken, flags);
} catch (RemoteException e) {

3
core/java/android/os/Trace.java
View File

@@ -36,6 +36,7 @@ public final class Trace {
private static final String TAG = "Trace";
// These tags must be kept in sync with system/core/include/cutils/trace.h.
// They should also be added to frameworks/native/cmds/atrace/atrace.cpp.
/** @hide */
public static final long TRACE_TAG_NEVER = 0;
/** @hide */
@@ -72,6 +73,8 @@ public final class Trace {
public static final long TRACE_TAG_RS = 1L << 15;
/** @hide */
public static final long TRACE_TAG_BIONIC = 1L << 16;
/** @hide */
public static final long TRACE_TAG_POWER = 1L << 17;
private static final long TRACE_TAG_NOT_READY = 1L << 63;
private static final int MAX_SECTION_NAME_LEN = 127;

14
services/core/java/com/android/server/display/DisplayPowerController.java
View File

@@ -37,7 +37,7 @@ import android.os.Message;
import android.os.PowerManager;
import android.os.RemoteException;
import android.os.SystemClock;
import android.text.format.DateUtils;
import android.os.Trace;
import android.util.MathUtils;
import android.util.Slog;
import android.util.Spline;
@@ -74,6 +74,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
private static boolean DEBUG = false;
private static final boolean DEBUG_PRETEND_PROXIMITY_SENSOR_ABSENT = false;
private static final String SCREEN_ON_BLOCKED_TRACE_NAME = "Screen on blocked";
// If true, uses the electron beam on animation.
// We might want to turn this off if we cannot get a guarantee that the screen
// actually turns on and starts showing new content after the call to set the
@@ -714,11 +716,10 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
private void blockScreenOn() {
if (!mScreenOnWasBlocked) {
Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, SCREEN_ON_BLOCKED_TRACE_NAME, 0);
mScreenOnWasBlocked = true;
mScreenOnBlockStartRealTime = SystemClock.elapsedRealtime();
if (DEBUG) {
Slog.d(TAG, "Blocked screen on.");
}
Slog.i(TAG, "Blocking screen on until initial contents have been drawn.");
}
}
@@ -726,9 +727,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
if (mScreenOnWasBlocked) {
mScreenOnWasBlocked = false;
long delay = SystemClock.elapsedRealtime() - mScreenOnBlockStartRealTime;
if (delay > 1000 || DEBUG) {
Slog.d(TAG, "Unblocked screen on after " + delay + " ms");
}
Slog.i(TAG, "Unblocked screen on after " + delay + " ms");
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, SCREEN_ON_BLOCKED_TRACE_NAME, 0);
}
}

26
services/core/java/com/android/server/display/DisplayPowerState.java
View File

@@ -23,6 +23,7 @@ import android.os.AsyncTask;
import android.os.Handler;
import android.os.Looper;
import android.os.PowerManager;
import android.os.Trace;
import android.util.FloatProperty;
import android.util.IntProperty;
import android.util.Slog;
@@ -405,19 +406,38 @@ final class DisplayPowerState {
}
boolean suspending = Display.isSuspendedState(state);
if (stateChanged && !suspending) {
mBlanker.requestDisplayState(state);
requestDisplayState(state);
}
if (backlightChanged) {
mBacklight.setBrightness(backlight);
setBrightness(backlight);
}
if (stateChanged && suspending) {
mBlanker.requestDisplayState(state);
requestDisplayState(state);
}
}
// Let the outer class know that all changes have been applied.
postScreenUpdateThreadSafe();
}
private void requestDisplayState(int state) {
Trace.traceBegin(Trace.TRACE_TAG_POWER, "requestDisplayState("
+ Display.stateToString(state) + ")");
try {
mBlanker.requestDisplayState(state);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
private void setBrightness(int backlight) {
Trace.traceBegin(Trace.TRACE_TAG_POWER, "setBrightness(" + backlight + ")");
try {
mBacklight.setBrightness(backlight);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
};
}
}

12
services/core/java/com/android/server/display/LocalDisplayAdapter.java
View File

@@ -21,7 +21,7 @@ import android.os.Handler;
import android.os.IBinder;
import android.os.Looper;
import android.os.SystemProperties;
import android.util.Pair;
import android.os.Trace;
import android.util.Slog;
import android.util.SparseArray;
import android.view.Display;
@@ -224,8 +224,14 @@ final class LocalDisplayAdapter extends DisplayAdapter {
@Override
public void requestDisplayStateLocked(int state) {
if (mState != state) {
SurfaceControl.setDisplayPowerMode(getDisplayTokenLocked(),
getPowerModeForState(state));
final int mode = getPowerModeForState(state);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "requestDisplayState("
+ Display.stateToString(state) + ", id=" + mBuiltInDisplayId + ")");
try {
SurfaceControl.setDisplayPowerMode(getDisplayTokenLocked(), mode);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
mState = state;
updateDeviceInfoLocked();
}

175
services/core/java/com/android/server/dreams/DreamController.java
View File

@@ -25,6 +25,7 @@ import android.os.Handler;
import android.os.IBinder;
import android.os.RemoteException;
import android.os.IBinder.DeathRecipient;
import android.os.Trace;
import android.os.UserHandle;
import android.service.dreams.DreamService;
import android.service.dreams.IDreamService;
@@ -111,41 +112,46 @@ final class DreamController {
boolean isTest, boolean canDoze, int userId) {
stopDream(true /*immediate*/);
// Close the notification shade. Don't need to send to all, but better to be explicit.
mContext.sendBroadcastAsUser(mCloseNotificationShadeIntent, UserHandle.ALL);
Slog.i(TAG, "Starting dream: name=" + name
+ ", isTest=" + isTest + ", canDoze=" + canDoze
+ ", userId=" + userId);
mCurrentDream = new DreamRecord(token, name, isTest, canDoze, userId);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "startDream");
try {
mIWindowManager.addWindowToken(token, WindowManager.LayoutParams.TYPE_DREAM);
} catch (RemoteException ex) {
Slog.e(TAG, "Unable to add window token for dream.", ex);
stopDream(true /*immediate*/);
return;
}
// Close the notification shade. Don't need to send to all, but better to be explicit.
mContext.sendBroadcastAsUser(mCloseNotificationShadeIntent, UserHandle.ALL);
Intent intent = new Intent(DreamService.SERVICE_INTERFACE);
intent.setComponent(name);
intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
try {
if (!mContext.bindServiceAsUser(intent, mCurrentDream,
Context.BIND_AUTO_CREATE, new UserHandle(userId))) {
Slog.e(TAG, "Unable to bind dream service: " + intent);
Slog.i(TAG, "Starting dream: name=" + name
+ ", isTest=" + isTest + ", canDoze=" + canDoze
+ ", userId=" + userId);
mCurrentDream = new DreamRecord(token, name, isTest, canDoze, userId);
try {
mIWindowManager.addWindowToken(token, WindowManager.LayoutParams.TYPE_DREAM);
} catch (RemoteException ex) {
Slog.e(TAG, "Unable to add window token for dream.", ex);
stopDream(true /*immediate*/);
return;
}
} catch (SecurityException ex) {
Slog.e(TAG, "Unable to bind dream service: " + intent, ex);
stopDream(true /*immediate*/);
return;
}
mCurrentDream.mBound = true;
mHandler.postDelayed(mStopUnconnectedDreamRunnable, DREAM_CONNECTION_TIMEOUT);
Intent intent = new Intent(DreamService.SERVICE_INTERFACE);
intent.setComponent(name);
intent.addFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
try {
if (!mContext.bindServiceAsUser(intent, mCurrentDream,
Context.BIND_AUTO_CREATE, new UserHandle(userId))) {
Slog.e(TAG, "Unable to bind dream service: " + intent);
stopDream(true /*immediate*/);
return;
}
} catch (SecurityException ex) {
Slog.e(TAG, "Unable to bind dream service: " + intent, ex);
stopDream(true /*immediate*/);
return;
}
mCurrentDream.mBound = true;
mHandler.postDelayed(mStopUnconnectedDreamRunnable, DREAM_CONNECTION_TIMEOUT);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
public void stopDream(boolean immediate) {
@@ -153,71 +159,76 @@ final class DreamController {
return;
}
if (!immediate) {
if (mCurrentDream.mWakingGently) {
return; // already waking gently
}
Trace.traceBegin(Trace.TRACE_TAG_POWER, "stopDream");
try {
if (!immediate) {
if (mCurrentDream.mWakingGently) {
return; // already waking gently
}
if (mCurrentDream.mService != null) {
// Give the dream a moment to wake up and finish itself gently.
mCurrentDream.mWakingGently = true;
try {
mCurrentDream.mService.wakeUp();
mHandler.postDelayed(mStopStubbornDreamRunnable, DREAM_FINISH_TIMEOUT);
return;
} catch (RemoteException ex) {
// oh well, we tried, finish immediately instead
if (mCurrentDream.mService != null) {
// Give the dream a moment to wake up and finish itself gently.
mCurrentDream.mWakingGently = true;
try {
mCurrentDream.mService.wakeUp();
mHandler.postDelayed(mStopStubbornDreamRunnable, DREAM_FINISH_TIMEOUT);
return;
} catch (RemoteException ex) {
// oh well, we tried, finish immediately instead
}
}
}
}
final DreamRecord oldDream = mCurrentDream;
mCurrentDream = null;
Slog.i(TAG, "Stopping dream: name=" + oldDream.mName
+ ", isTest=" + oldDream.mIsTest + ", canDoze=" + oldDream.mCanDoze
+ ", userId=" + oldDream.mUserId);
final DreamRecord oldDream = mCurrentDream;
mCurrentDream = null;
Slog.i(TAG, "Stopping dream: name=" + oldDream.mName
+ ", isTest=" + oldDream.mIsTest + ", canDoze=" + oldDream.mCanDoze
+ ", userId=" + oldDream.mUserId);
mHandler.removeCallbacks(mStopUnconnectedDreamRunnable);
mHandler.removeCallbacks(mStopStubbornDreamRunnable);
mHandler.removeCallbacks(mStopUnconnectedDreamRunnable);
mHandler.removeCallbacks(mStopStubbornDreamRunnable);
if (oldDream.mSentStartBroadcast) {
mContext.sendBroadcastAsUser(mDreamingStoppedIntent, UserHandle.ALL);
}
if (oldDream.mSentStartBroadcast) {
mContext.sendBroadcastAsUser(mDreamingStoppedIntent, UserHandle.ALL);
}
if (oldDream.mService != null) {
// Tell the dream that it's being stopped so that
// it can shut down nicely before we yank its window token out from
// under it.
try {
oldDream.mService.detach();
} catch (RemoteException ex) {
// we don't care; this thing is on the way out
}
try {
oldDream.mService.asBinder().unlinkToDeath(oldDream, 0);
} catch (NoSuchElementException ex) {
// don't care
}
oldDream.mService = null;
}
if (oldDream.mBound) {
mContext.unbindService(oldDream);
}
if (oldDream.mService != null) {
// Tell the dream that it's being stopped so that
// it can shut down nicely before we yank its window token out from
// under it.
try {
oldDream.mService.detach();
mIWindowManager.removeWindowToken(oldDream.mToken);
} catch (RemoteException ex) {
// we don't care; this thing is on the way out
Slog.w(TAG, "Error removing window token for dream.", ex);
}
try {
oldDream.mService.asBinder().unlinkToDeath(oldDream, 0);
} catch (NoSuchElementException ex) {
// don't care
}
oldDream.mService = null;
mHandler.post(new Runnable() {
@Override
public void run() {
mListener.onDreamStopped(oldDream.mToken);
}
});
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
if (oldDream.mBound) {
mContext.unbindService(oldDream);
}
try {
mIWindowManager.removeWindowToken(oldDream.mToken);
} catch (RemoteException ex) {
Slog.w(TAG, "Error removing window token for dream.", ex);
}
mHandler.post(new Runnable() {
@Override
public void run() {
mListener.onDreamStopped(oldDream.mToken);
}
});
}
private void attach(IDreamService service) {

8
services/core/java/com/android/server/lights/LightsService.java
View File

@@ -23,6 +23,7 @@ import android.content.pm.PackageManager;
import android.os.Handler;
import android.os.IHardwareService;
import android.os.Message;
import android.os.Trace;
import android.util.Slog;
import java.io.FileInputStream;
@@ -105,7 +106,12 @@ public class LightsService extends SystemService {
mMode = mode;
mOnMS = onMS;
mOffMS = offMS;
setLight_native(mNativePointer, mId, color, mode, onMS, offMS, brightnessMode);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "setLight(" + mId + ", " + color + ")");
try {
setLight_native(mNativePointer, mId, color, mode, onMS, offMS, brightnessMode);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
}

1
services/core/java/com/android/server/power/Notifier.java
View File

@@ -406,7 +406,6 @@ final class Notifier {
private void sendNextBroadcast() {
final int powerState;
final int goToSleepReason;
synchronized (mLock) {
if (mBroadcastedPowerState == POWER_STATE_UNKNOWN) {
// Broadcasted power state is unknown. Send wake up.

330
services/core/java/com/android/server/power/PowerManagerService.java
View File

@@ -56,6 +56,7 @@ import android.os.RemoteException;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.SystemService;
import android.os.Trace;
import android.os.UserHandle;
import android.os.WorkSource;
import android.provider.Settings;
@@ -817,17 +818,12 @@ public final class PowerManagerService extends com.android.server.SystemService
+ " [" + wakeLock.mTag + "], flags=0x" + Integer.toHexString(flags));
}
mWakeLocks.remove(index);
notifyWakeLockReleasedLocked(wakeLock);
wakeLock.mLock.unlinkToDeath(wakeLock, 0);
if ((flags & PowerManager.WAIT_FOR_PROXIMITY_NEGATIVE) != 0) {
mRequestWaitForNegativeProximity = true;
}
applyWakeLockFlagsOnReleaseLocked(wakeLock);
mDirty |= DIRTY_WAKE_LOCKS;
updatePowerStateLocked();
wakeLock.mLock.unlinkToDeath(wakeLock, 0);
removeWakeLockLocked(wakeLock, index);
}
}
@@ -843,15 +839,19 @@ public final class PowerManagerService extends com.android.server.SystemService
return;
}
mWakeLocks.remove(index);
notifyWakeLockReleasedLocked(wakeLock);
applyWakeLockFlagsOnReleaseLocked(wakeLock);
mDirty |= DIRTY_WAKE_LOCKS;
updatePowerStateLocked();
removeWakeLockLocked(wakeLock, index);
}
}
private void removeWakeLockLocked(WakeLock wakeLock, int index) {
mWakeLocks.remove(index);
notifyWakeLockReleasedLocked(wakeLock);
applyWakeLockFlagsOnReleaseLocked(wakeLock);
mDirty |= DIRTY_WAKE_LOCKS;
updatePowerStateLocked();
}
private void applyWakeLockFlagsOnReleaseLocked(WakeLock wakeLock) {
if ((wakeLock.mFlags & PowerManager.ON_AFTER_RELEASE) != 0
&& isScreenLock(wakeLock)) {
@@ -972,21 +972,26 @@ public final class PowerManagerService extends com.android.server.SystemService
return false;
}
mNotifier.onUserActivity(event, uid);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "userActivity");
try {
mNotifier.onUserActivity(event, uid);
if ((flags & PowerManager.USER_ACTIVITY_FLAG_NO_CHANGE_LIGHTS) != 0) {
if (eventTime > mLastUserActivityTimeNoChangeLights
&& eventTime > mLastUserActivityTime) {
mLastUserActivityTimeNoChangeLights = eventTime;
mDirty |= DIRTY_USER_ACTIVITY;
return true;
}
} else {
if (eventTime > mLastUserActivityTime) {
mLastUserActivityTime = eventTime;
mDirty |= DIRTY_USER_ACTIVITY;
return true;
if ((flags & PowerManager.USER_ACTIVITY_FLAG_NO_CHANGE_LIGHTS) != 0) {
if (eventTime > mLastUserActivityTimeNoChangeLights
&& eventTime > mLastUserActivityTime) {
mLastUserActivityTimeNoChangeLights = eventTime;
mDirty |= DIRTY_USER_ACTIVITY;
return true;
}
} else {
if (eventTime > mLastUserActivityTime) {
mLastUserActivityTime = eventTime;
mDirty |= DIRTY_USER_ACTIVITY;
return true;
}
}
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
return false;
}
@@ -1009,25 +1014,30 @@ public final class PowerManagerService extends com.android.server.SystemService
return false;
}
switch (mWakefulness) {
case WAKEFULNESS_ASLEEP:
Slog.i(TAG, "Waking up from sleep (uid " + uid +")...");
break;
case WAKEFULNESS_DREAMING:
Slog.i(TAG, "Waking up from dream (uid " + uid +")...");
break;
case WAKEFULNESS_DOZING:
Slog.i(TAG, "Waking up from dozing (uid " + uid +")...");
break;
Trace.traceBegin(Trace.TRACE_TAG_POWER, "wakeUp");
try {
switch (mWakefulness) {
case WAKEFULNESS_ASLEEP:
Slog.i(TAG, "Waking up from sleep (uid " + uid +")...");
break;
case WAKEFULNESS_DREAMING:
Slog.i(TAG, "Waking up from dream (uid " + uid +")...");
break;
case WAKEFULNESS_DOZING:
Slog.i(TAG, "Waking up from dozing (uid " + uid +")...");
break;
}
mLastWakeTime = eventTime;
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_AWAKE;
setInteractiveStateLocked(true, 0);
userActivityNoUpdateLocked(
eventTime, PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, uid);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
mLastWakeTime = eventTime;
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_AWAKE;
setInteractiveStateLocked(true, 0);
userActivityNoUpdateLocked(
eventTime, PowerManager.USER_ACTIVITY_EVENT_OTHER, 0, uid);
return true;
}
@@ -1055,53 +1065,58 @@ public final class PowerManagerService extends com.android.server.SystemService
return false;
}
switch (reason) {
case PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN:
Slog.i(TAG, "Going to sleep due to device administration policy "
+ "(uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_TIMEOUT:
Slog.i(TAG, "Going to sleep due to screen timeout (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH:
Slog.i(TAG, "Going to sleep due to lid switch (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON:
Slog.i(TAG, "Going to sleep due to power button (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_HDMI:
Slog.i(TAG, "Going to sleep due to HDMI standby (uid " + uid +")...");
break;
default:
Slog.i(TAG, "Going to sleep by application request (uid " + uid +")...");
reason = PowerManager.GO_TO_SLEEP_REASON_APPLICATION;
break;
}
mLastSleepTime = eventTime;
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_DOZING;
mSandmanSummoned = true;
setInteractiveStateLocked(false, reason);
// Report the number of wake locks that will be cleared by going to sleep.
int numWakeLocksCleared = 0;
final int numWakeLocks = mWakeLocks.size();
for (int i = 0; i < numWakeLocks; i++) {
final WakeLock wakeLock = mWakeLocks.get(i);
switch (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) {
case PowerManager.FULL_WAKE_LOCK:
case PowerManager.SCREEN_BRIGHT_WAKE_LOCK:
case PowerManager.SCREEN_DIM_WAKE_LOCK:
numWakeLocksCleared += 1;
Trace.traceBegin(Trace.TRACE_TAG_POWER, "goToSleep");
try {
switch (reason) {
case PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN:
Slog.i(TAG, "Going to sleep due to device administration policy "
+ "(uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_TIMEOUT:
Slog.i(TAG, "Going to sleep due to screen timeout (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH:
Slog.i(TAG, "Going to sleep due to lid switch (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON:
Slog.i(TAG, "Going to sleep due to power button (uid " + uid +")...");
break;
case PowerManager.GO_TO_SLEEP_REASON_HDMI:
Slog.i(TAG, "Going to sleep due to HDMI standby (uid " + uid +")...");
break;
default:
Slog.i(TAG, "Going to sleep by application request (uid " + uid +")...");
reason = PowerManager.GO_TO_SLEEP_REASON_APPLICATION;
break;
}
}
EventLog.writeEvent(EventLogTags.POWER_SLEEP_REQUESTED, numWakeLocksCleared);
// Skip dozing if requested.
if ((flags & PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE) != 0) {
reallyGoToSleepNoUpdateLocked(eventTime, uid);
mLastSleepTime = eventTime;
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_DOZING;
mSandmanSummoned = true;
setInteractiveStateLocked(false, reason);
// Report the number of wake locks that will be cleared by going to sleep.
int numWakeLocksCleared = 0;
final int numWakeLocks = mWakeLocks.size();
for (int i = 0; i < numWakeLocks; i++) {
final WakeLock wakeLock = mWakeLocks.get(i);
switch (wakeLock.mFlags & PowerManager.WAKE_LOCK_LEVEL_MASK) {
case PowerManager.FULL_WAKE_LOCK:
case PowerManager.SCREEN_BRIGHT_WAKE_LOCK:
case PowerManager.SCREEN_DIM_WAKE_LOCK:
numWakeLocksCleared += 1;
break;
}
}
EventLog.writeEvent(EventLogTags.POWER_SLEEP_REQUESTED, numWakeLocksCleared);
// Skip dozing if requested.
if ((flags & PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE) != 0) {
reallyGoToSleepNoUpdateLocked(eventTime, uid);
}
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
return true;
}
@@ -1124,12 +1139,17 @@ public final class PowerManagerService extends com.android.server.SystemService
return false;
}
Slog.i(TAG, "Nap time (uid " + uid +")...");
Trace.traceBegin(Trace.TRACE_TAG_POWER, "nap");
try {
Slog.i(TAG, "Nap time (uid " + uid +")...");
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_DREAMING;
mSandmanSummoned = true;
setInteractiveStateLocked(true, 0);
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_DREAMING;
mSandmanSummoned = true;
setInteractiveStateLocked(true, 0);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
return true;
}
@@ -1145,11 +1165,16 @@ public final class PowerManagerService extends com.android.server.SystemService
return false;
}
Slog.i(TAG, "Sleeping (uid " + uid +")...");
Trace.traceBegin(Trace.TRACE_TAG_POWER, "reallyGoToSleep");
try {
Slog.i(TAG, "Sleeping (uid " + uid +")...");
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_ASLEEP;
setInteractiveStateLocked(false, PowerManager.GO_TO_SLEEP_REASON_TIMEOUT);
mDirty |= DIRTY_WAKEFULNESS;
mWakefulness = WAKEFULNESS_ASLEEP;
setInteractiveStateLocked(false, PowerManager.GO_TO_SLEEP_REASON_TIMEOUT);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
return true;
}
@@ -1186,40 +1211,45 @@ public final class PowerManagerService extends com.android.server.SystemService
Slog.wtf(TAG, "Power manager lock was not held when calling updatePowerStateLocked");
}
// Phase 0: Basic state updates.
updateIsPoweredLocked(mDirty);
updateStayOnLocked(mDirty);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "updatePowerState");
try {
// Phase 0: Basic state updates.
updateIsPoweredLocked(mDirty);
updateStayOnLocked(mDirty);
// Phase 1: Update wakefulness.
// Loop because the wake lock and user activity computations are influenced
// by changes in wakefulness.
final long now = SystemClock.uptimeMillis();
int dirtyPhase2 = 0;
for (;;) {
int dirtyPhase1 = mDirty;
dirtyPhase2 |= dirtyPhase1;
mDirty = 0;
// Phase 1: Update wakefulness.
// Loop because the wake lock and user activity computations are influenced
// by changes in wakefulness.
final long now = SystemClock.uptimeMillis();
int dirtyPhase2 = 0;
for (;;) {
int dirtyPhase1 = mDirty;
dirtyPhase2 |= dirtyPhase1;
mDirty = 0;
updateWakeLockSummaryLocked(dirtyPhase1);
updateUserActivitySummaryLocked(now, dirtyPhase1);
if (!updateWakefulnessLocked(dirtyPhase1)) {
break;
updateWakeLockSummaryLocked(dirtyPhase1);
updateUserActivitySummaryLocked(now, dirtyPhase1);
if (!updateWakefulnessLocked(dirtyPhase1)) {
break;
}
}
// Phase 2: Update dreams and display power state.
updateDreamLocked(dirtyPhase2);
updateDisplayPowerStateLocked(dirtyPhase2);
// Phase 3: Send notifications, if needed.
if (mDisplayReady) {
finishInteractiveStateChangeLocked();
}
// Phase 4: Update suspend blocker.
// Because we might release the last suspend blocker here, we need to make sure
// we finished everything else first!
updateSuspendBlockerLocked();
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
// Phase 2: Update dreams and display power state.
updateDreamLocked(dirtyPhase2);
updateDisplayPowerStateLocked(dirtyPhase2);
// Phase 3: Send notifications, if needed.
if (mDisplayReady) {
finishInteractiveStateChangeLocked();
}
// Phase 4: Update suspend blocker.
// Because we might release the last suspend blocker here, we need to make sure
// we finished everything else first!
updateSuspendBlockerLocked();
}
/**
@@ -1990,7 +2020,12 @@ public final class PowerManagerService extends com.android.server.SystemService
Slog.d(TAG, "Setting HAL auto-suspend mode to " + enable);
}
mHalAutoSuspendModeEnabled = enable;
nativeSetAutoSuspend(enable);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "setHalAutoSuspend(" + enable + ")");
try {
nativeSetAutoSuspend(enable);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
}
@@ -2000,7 +2035,12 @@ public final class PowerManagerService extends com.android.server.SystemService
Slog.d(TAG, "Setting HAL interactive mode to " + enable);
}
mHalInteractiveModeEnabled = enable;
nativeSetInteractive(enable);
Trace.traceBegin(Trace.TRACE_TAG_POWER, "setHalInteractive(" + enable + ")");
try {
nativeSetInteractive(enable);
} finally {
Trace.traceEnd(Trace.TRACE_TAG_POWER);
}
}
}
@@ -2587,20 +2627,23 @@ public final class PowerManagerService extends com.android.server.SystemService
private final class SuspendBlockerImpl implements SuspendBlocker {
private final String mName;
private final String mTraceName;
private int mReferenceCount;
public SuspendBlockerImpl(String name) {
mName = name;
mTraceName = "SuspendBlocker (" + name + ")";
}
@Override
protected void finalize() throws Throwable {
try {
if (mReferenceCount != 0) {
Log.wtf(TAG, "Suspend blocker \"" + mName
Slog.wtf(TAG, "Suspend blocker \"" + mName
+ "\" was finalized without being released!");
mReferenceCount = 0;
nativeReleaseSuspendBlocker(mName);
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0);
}
} finally {
super.finalize();
@@ -2615,6 +2658,7 @@ public final class PowerManagerService extends com.android.server.SystemService
if (DEBUG_SPEW) {
Slog.d(TAG, "Acquiring suspend blocker \"" + mName + "\".");
}
Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, mTraceName, 0);
nativeAcquireSuspendBlocker(mName);
}
}
@@ -2629,8 +2673,9 @@ public final class PowerManagerService extends com.android.server.SystemService
Slog.d(TAG, "Releasing suspend blocker \"" + mName + "\".");
}
nativeReleaseSuspendBlocker(mName);
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, mTraceName, 0);
} else if (mReferenceCount < 0) {
Log.wtf(TAG, "Suspend blocker \"" + mName
Slog.wtf(TAG, "Suspend blocker \"" + mName
+ "\" was released without being acquired!", new Throwable());
mReferenceCount = 0;
}
@@ -2646,6 +2691,8 @@ public final class PowerManagerService extends com.android.server.SystemService
}
private final class ScreenOnBlockerImpl implements ScreenOnBlocker {
private static final String TRACE_NAME = "ScreenOnBlocker";
private int mNestCount;
public boolean isHeld() {
@@ -2658,9 +2705,12 @@ public final class PowerManagerService extends com.android.server.SystemService
public void acquire() {
synchronized (this) {
mNestCount += 1;
if (DEBUG) {
if (DEBUG || true) {
Slog.d(TAG, "Screen on blocked: mNestCount=" + mNestCount);
}
if (mNestCount == 1) {
Trace.asyncTraceBegin(Trace.TRACE_TAG_POWER, TRACE_NAME, 0);
}
}
}
@@ -2668,17 +2718,17 @@ public final class PowerManagerService extends com.android.server.SystemService
public void release() {
synchronized (this) {
mNestCount -= 1;
if (mNestCount < 0) {
Log.wtf(TAG, "Screen on blocker was released without being acquired!",
if (mNestCount == 0) {
if (DEBUG || true) {
Slog.d(TAG, "Screen on unblocked: mNestCount=" + mNestCount);
}
mHandler.sendEmptyMessage(MSG_SCREEN_ON_BLOCKER_RELEASED);
Trace.asyncTraceEnd(Trace.TRACE_TAG_POWER, TRACE_NAME, 0);
} else if (mNestCount < 0) {
Slog.wtf(TAG, "Screen on blocker was released without being acquired!",
new Throwable());
mNestCount = 0;
}
if (mNestCount == 0) {
mHandler.sendEmptyMessage(MSG_SCREEN_ON_BLOCKER_RELEASED);
}
if (DEBUG) {
Slog.d(TAG, "Screen on unblocked: mNestCount=" + mNestCount);
}
}
}