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SKETCH Add performance tracking for rendering

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Differential Revision: D3709400

fbshipit-source-id: a006b60feb3fc5cb55cc2e6f08275fcc8de1d3e1
This commit is contained in:
Scott Buckfelder
2016-08-30 14:15:48 -07:00
committed by Facebook Github Bot 4
parent 5d32075363
commit 16f76d4407
4 changed files with 55 additions and 1 deletions
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14
ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
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@@ -46,6 +46,9 @@ public class UIImplementation {
private final int[] mMeasureBuffer = new int[4];
private final ReactApplicationContext mReactContext;
private double mLayoutCount = 0.0;
private double mLayoutTimer = 0.0;
public UIImplementation(ReactApplicationContext reactContext, List<ViewManager> viewManagers) {
this(reactContext, new ViewManagerRegistry(viewManagers));
}
@@ -146,6 +149,14 @@ public class UIImplementation {
}
}
public double getLayoutCount() {
return mLayoutCount;
}
public double getLayoutTimer() {
return mLayoutTimer;
}
/**
* Invoked by React to create a new node with a given tag, class name and properties.
*/
@@ -739,10 +750,13 @@ public class UIImplementation {
SystraceMessage.beginSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "cssRoot.calculateLayout")
.arg("rootTag", cssRoot.getReactTag())
.flush();
double startTime = (double) System.nanoTime();
try {
cssRoot.calculateLayout(mLayoutContext);
} finally {
Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
mLayoutTimer = mLayoutTimer + ((double)System.nanoTime() - startTime)/ 1000000000.0;
mLayoutCount = mLayoutCount + 1;
}
}