Java_trace_function_profile.java

/**
 * The HelloTrace class is an example of how to instrument a non-servlet java application
 * simply traces "Hello World!" to standard output.
 */
//import the tracelytics-api.jar (/usr/local/tracelytics/tracelytics-api.jar)
import com.tracelytics.api.ext.*;

class HelloTrace {
    public static void main(String[] args) {
        //Start a trace (In a servlet, we do this automatically at the start of the request)
        TraceEvent event = Trace.startTrace("Hello Trace POJO");

        // Because TraceView's UI like web applications, we'll use HTTP server KV pairs to leverage the UI fully
        // source: https://docs.appneta.com/extending-traceview-customizing
        event.addInfo("HTTP-Host", "Localhost");
        event.addInfo("URL", "Hello_Trace/POJO"); // example for if there is a specific task type you'd like to segment on
        event.report();

        //Do some normal java stuff
        System.out.println("Hello Trace!"); // Display the string.
        try {
		sleep(200);
	} catch(InterruptedException ex){
		Thread.currentThread().interrupt();
	}

        //End the Trace
        Trace.endTrace("Hello Trace POJO");
    }

    @ProfileMethod(profileName="sleep", backTrace=true, storeReturn=true)
    public static void sleep(long ms) throws InterruptedException {
    	Thread.sleep(ms);
    	System.out.println("Slept");
    }
}