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Add perf markers for cold start

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Summary: public

Adds useful systrace perf markers for cold start analysis

Reviewed By: mikearmstrong001

Differential Revision: D2695629

fb-gh-sync-id: d964f28a1f3e10a13c441a17b0300c980d4914e8
This commit is contained in:
Andy Street
2015-11-25 04:56:15 -08:00
committed by facebook-github-bot-0
parent 388d8c8f9b
commit ca016e4eb3
5 changed files with 147 additions and 56 deletions
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47
ReactAndroid/src/main/java/com/facebook/react/bridge/NativeModuleRegistry.java
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@@ -13,7 +13,6 @@ import java.io.IOException;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
@@ -186,32 +185,38 @@ public class NativeModuleRegistry {
}
public NativeModuleRegistry build() {
JsonFactory jsonFactory = new JsonFactory();
StringWriter writer = new StringWriter();
Systrace.beginSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE, "CreateJSON");
String moduleDefinitionJson;
try {
JsonGenerator jg = jsonFactory.createGenerator(writer);
jg.writeStartObject();
for (ModuleDefinition module : mModuleDefinitions) {
jg.writeObjectFieldStart(module.name);
jg.writeNumberField("moduleID", module.id);
jg.writeObjectFieldStart("methods");
for (int i = 0; i < module.methods.size(); i++) {
MethodRegistration method = module.methods.get(i);
jg.writeObjectFieldStart(method.name);
jg.writeNumberField("methodID", i);
jg.writeStringField("type", method.method.getType());
JsonFactory jsonFactory = new JsonFactory();
StringWriter writer = new StringWriter();
try {
JsonGenerator jg = jsonFactory.createGenerator(writer);
jg.writeStartObject();
for (ModuleDefinition module : mModuleDefinitions) {
jg.writeObjectFieldStart(module.name);
jg.writeNumberField("moduleID", module.id);
jg.writeObjectFieldStart("methods");
for (int i = 0; i < module.methods.size(); i++) {
MethodRegistration method = module.methods.get(i);
jg.writeObjectFieldStart(method.name);
jg.writeNumberField("methodID", i);
jg.writeStringField("type", method.method.getType());
jg.writeEndObject();
}
jg.writeEndObject();
module.target.writeConstantsField(jg, "constants");
jg.writeEndObject();
}
jg.writeEndObject();
module.target.writeConstantsField(jg, "constants");
jg.writeEndObject();
jg.close();
} catch (IOException ioe) {
throw new RuntimeException("Unable to serialize Java module configuration", ioe);
}
jg.writeEndObject();
jg.close();
} catch (IOException ioe) {
throw new RuntimeException("Unable to serialize Java module configuration", ioe);
moduleDefinitionJson = writer.getBuffer().toString();
} finally {
Systrace.endSection(Systrace.TRACE_TAG_REACT_JAVA_BRIDGE);
}
String moduleDefinitionJson = writer.getBuffer().toString();
return new NativeModuleRegistry(mModuleDefinitions, mModuleInstances, moduleDefinitionJson);
}
}