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Instrument native library load time

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Summary: I'm interested in measuring this.

Reviewed By: alexeylang

Differential Revision: D10510275

fbshipit-source-id: e833153524413bc5ec6159ff100ade92b29e6d0c
This commit is contained in:
Max Sherman
2018-10-24 08:58:07 -07:00
committed by Facebook Github Bot
parent 174644846d
commit b141363943
1 changed files with 23 additions and 8 deletions
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31
ReactAndroid/src/main/java/com/facebook/react/bridge/ReactBridge.java
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@@ -9,19 +9,34 @@ package com.facebook.react.bridge;
import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JAVA_BRIDGE;
import android.os.SystemClock;
import com.facebook.soloader.SoLoader;
import com.facebook.systrace.Systrace;
public class ReactBridge {
private static volatile long sLoadStartTime = 0;
private static volatile long sLoadEndTime = 0;
private static boolean sDidInit = false;
public static void staticInit() {
// No locking required here, worst case we'll call into SoLoader twice
// which will do its own locking internally
if (!sDidInit) {
Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "ReactBridge.staticInit::load:reactnativejni");
SoLoader.loadLibrary("reactnativejni");
sDidInit = true;
Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
public synchronized static void staticInit() {
if (sDidInit) {
return;
}
sDidInit = true;
sLoadStartTime = SystemClock.uptimeMillis();
Systrace.beginSection(TRACE_TAG_REACT_JAVA_BRIDGE, "ReactBridge.staticInit::load:reactnativejni");
SoLoader.loadLibrary("reactnativejni");
Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
sLoadEndTime = SystemClock.uptimeMillis();
}
public static long getLoadStartTime() {
return sLoadStartTime;
}
public static long getLoadEndTime() {
return sLoadEndTime;
}
}