How to use

start

method

in

org.stagemonitor.tracing.profiler.Profiler

@Advice.OnMethodEnter
public static void enter(@ProfilerSignature String signature) {
  Profiler.start(signature);
}

  public String getFoo() {
    Profiler.start("String org.stagemonitor.tracing.freemarker.FreemarkerProfilingTransformerTest$TemplateModel.getFoo()");
    try {
      return "foo";
    } finally {
      Profiler.stop();
    }
  }
}

static void method1_1_1() {
  Profiler.start("method1_1_1()");
  final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
  Profiler.stop();
  thisCallStackElement.setExecutionTime(200000000);
}

static void method1_1_2_1() {
  Profiler.start("method1_1_2_1()");
  final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
  Profiler.stop();
  thisCallStackElement.setExecutionTime(50000000);
}

  static void method1_2_1() {
    Profiler.start("method1_2_1()");
    final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
    Profiler.stop();
    thisCallStackElement.setExecutionTime(250000000);
  }
}

@Advice.OnMethodEnter(inline = false)
public static void onBeforeEvaluate(@Advice.Argument(0) Environment env, @Advice.This Expression dot) {
  Profiler.start(env.getCurrentTemplate().getName() + ':' + dot.getBeginLine() + '#' + dot.toString());
}

static void method1_1_2() {
  Profiler.start("method1_1_2()");
  try {
    method1_1_2_1();
  } finally {
    final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
    Profiler.stop();
    thisCallStackElement.setExecutionTime(250000000);
  }
}

@Override
public ClientHttpResponse intercept(HttpRequest request, byte[] body, ClientHttpRequestExecution execution) throws IOException {
  final Scope scope = new ExternalHttpRequest(tracingPlugin.getTracer(), request.getMethod().toString(), removeQuery(request.getURI()), request.getURI().getHost(), request.getURI().getPort()).createScope();
  try {
    Profiler.start(request.getMethod().toString() + " " + request.getURI() + " ");
    tracingPlugin.getTracer().inject(scope.span().context(), Format.Builtin.HTTP_HEADERS, new SpringHttpRequestInjectAdapter(request));
    return execution.execute(request, body);
  } finally {
    Profiler.stop();
    scope.close();
  }
}

static void method1_1() {
  Profiler.start("method1_1()");
  try {
    method1_1_1();
    method1_1_2();
  } finally {
    final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
    Profiler.stop();
    thisCallStackElement.setExecutionTime(500000000);
  }
}

static void method1() {
  Profiler.start("method1()");
  try {
    method1_1();
    method1_2();
  } finally {
    final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
    Profiler.stop();
    thisCallStackElement.setExecutionTime(1000000000);
  }
}

static void method1_2() {
  Profiler.start("method1_2()");
  Profiler.addIOCall("select * from user", 50000000);
  Profiler.addIOCall("select * from address", 50000000);
  method1_2_1();
  final CallStackElement thisCallStackElement = Profiler.getMethodCallParent();
  Profiler.stop();
  thisCallStackElement.setExecutionTime(500000000);
}
static void method1_2_1() {

@Test
public void testNoProfilingIfNotActive() {
  assertFalse(Profiler.isProfilingActive());
  Profiler.start("dummy");
  assertNull(Profiler.getMethodCallParent());
  Profiler.stop();
}