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Added LatencyTimer to ease latency measurements

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new file:   core/java/android/os/LatencyTimer.java
	modified:   core/java/android/view/MotionEvent.java
	modified:   core/java/android/view/ViewRoot.java
	modified:   services/java/com/android/server/InputDevice.java
	modified:   services/java/com/android/server/KeyInputQueue.java
	modified:   services/java/com/android/server/WindowManagerService.java
This commit is contained in:
Michael Chan
2009-05-13 17:29:48 -07:00
parent 4eebf590a3
commit 53071d6d15
6 changed files with 270 additions and 27 deletions
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49
services/java/com/android/server/WindowManagerService.java
View File

@@ -63,6 +63,7 @@ import android.os.Binder;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.LatencyTimer;
import android.os.LocalPowerManager;
import android.os.Looper;
import android.os.Message;
@@ -133,7 +134,9 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
static final boolean DEBUG_STARTING_WINDOW = false;
static final boolean DEBUG_REORDER = false;
static final boolean SHOW_TRANSACTIONS = false;
static final boolean MEASURE_LATENCY = false;
static private LatencyTimer lt;
static final boolean PROFILE_ORIENTATION = false;
static final boolean BLUR = true;
static final boolean localLOGV = DEBUG;
@@ -495,6 +498,10 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
private WindowManagerService(Context context, PowerManagerService pm,
boolean haveInputMethods) {
if (MEASURE_LATENCY) {
lt = new LatencyTimer(100, 1000);
}
mContext = context;
mHaveInputMethods = haveInputMethods;
mLimitedAlphaCompositing = context.getResources().getBoolean(
@@ -3775,9 +3782,17 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
if (DEBUG_INPUT || WindowManagerPolicy.WATCH_POINTER) Log.v(TAG,
"dispatchPointer " + ev);
if (MEASURE_LATENCY) {
lt.sample("3 Wait for last dispatch ", System.nanoTime() - qev.whenNano);
}
Object targetObj = mKeyWaiter.waitForNextEventTarget(null, qev,
ev, true, false);
if (MEASURE_LATENCY) {
lt.sample("3 Last dispatch finished ", System.nanoTime() - qev.whenNano);
}
int action = ev.getAction();
if (action == MotionEvent.ACTION_UP) {
@@ -3814,6 +3829,7 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
WindowState target = (WindowState)targetObj;
final long eventTime = ev.getEventTime();
final long eventTimeNano = ev.getEventTimeNano();
//Log.i(TAG, "Sending " + ev + " to " + target);
@@ -3832,6 +3848,10 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
}
}
if (MEASURE_LATENCY) {
lt.sample("4 in dispatchPointer ", System.nanoTime() - eventTimeNano);
}
if ((target.mAttrs.flags &
WindowManager.LayoutParams.FLAG_IGNORE_CHEEK_PRESSES) != 0) {
//target wants to ignore fat touch events
@@ -3914,6 +3934,10 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
}
}
if (MEASURE_LATENCY) {
lt.sample("5 in dispatchPointer ", System.nanoTime() - eventTimeNano);
}
synchronized(mWindowMap) {
if (qev != null && action == MotionEvent.ACTION_MOVE) {
mKeyWaiter.bindTargetWindowLocked(target,
@@ -3951,7 +3975,16 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
if (DEBUG_INPUT || DEBUG_FOCUS || WindowManagerPolicy.WATCH_POINTER) {
Log.v(TAG, "Delivering pointer " + qev + " to " + target);
}
if (MEASURE_LATENCY) {
lt.sample("6 before svr->client ipc ", System.nanoTime() - eventTimeNano);
}
target.mClient.dispatchPointer(ev, eventTime);
if (MEASURE_LATENCY) {
lt.sample("7 after svr->client ipc ", System.nanoTime() - eventTimeNano);
}
return true;
} catch (android.os.RemoteException e) {
Log.i(TAG, "WINDOW DIED during motion dispatch: " + target);
@@ -5072,7 +5105,7 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
}
}
}
};
}
public boolean detectSafeMode() {
mSafeMode = mPolicy.detectSafeMode();
@@ -5137,9 +5170,13 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
if (DEBUG_INPUT && ev != null) Log.v(
TAG, "Event: type=" + ev.classType + " data=" + ev.event);
if (MEASURE_LATENCY) {
lt.sample("2 got event ", System.nanoTime() - ev.whenNano);
}
try {
if (ev != null) {
curTime = ev.when;
curTime = SystemClock.uptimeMillis();
int eventType;
if (ev.classType == RawInputEvent.CLASS_TOUCHSCREEN) {
eventType = eventType((MotionEvent)ev.event);
@@ -5150,11 +5187,9 @@ public class WindowManagerService extends IWindowManager.Stub implements Watchdo
eventType = LocalPowerManager.OTHER_EVENT;
}
try {
long now = SystemClock.uptimeMillis();
if ((now - mLastBatteryStatsCallTime)
if ((curTime - mLastBatteryStatsCallTime)
>= MIN_TIME_BETWEEN_USERACTIVITIES) {
mLastBatteryStatsCallTime = now;
mLastBatteryStatsCallTime = curTime;
mBatteryStats.noteInputEvent();
}
} catch (RemoteException e) {