예제 #1
0
파일: client.cpp 프로젝트: OspreyHub/ATCD
void
test_octet_seq (const CORBA::Object_var object)
{
  ACE_Sample_History history (niterations);

  Test::octet_load ol (sz);
  ol.length (sz);

  ACE_hrtime_t test_start = ACE_OS::gethrtime ();
  for (int i = 0; i < niterations; ++i)
    {
      ACE_hrtime_t start = ACE_OS::gethrtime ();
      Test::Timestamp start_time = static_cast <Test::Timestamp> (start);

      CORBA::Request_var request =
        object->_request ("test_octet_method");

      request->add_in_arg("octet_load") <<= ol;
      request->add_in_arg("send_time") <<= start_time;

      request->set_return_type (CORBA::_tc_ulonglong);
      request->invoke ();

      ACE_hrtime_t now = ACE_OS::gethrtime ();
      history.sample (now - start);
    }

  ACE_hrtime_t test_end = ACE_OS::gethrtime ();

  ACE_DEBUG ((LM_DEBUG, "test finished\n"));

  ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
  ACE_High_Res_Timer::global_scale_factor_type gsf =
    ACE_High_Res_Timer::global_scale_factor ();
  ACE_DEBUG ((LM_DEBUG, "done\n"));

  if (do_dump_history)
    {
      history.dump_samples (ACE_TEXT("HISTORY"), gsf);
    }

  ACE_Basic_Stats stats;
  history.collect_basic_stats (stats);
  stats.dump_results (ACE_TEXT("Total"), gsf);

  ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"), gsf,
                                         test_end - test_start,
                                         stats.samples_count ());
}
예제 #2
0
파일: client.cpp 프로젝트: asdlei00/ACE
void
test_octet_seq (Test::Roundtrip_ptr roundtrip)
{
  ACE_Sample_History history (niterations);

  Test::octet_load ol (sz);
  ol.length (sz);

  ACE_hrtime_t test_start = ACE_OS::gethrtime ();
  for (int i = 0; i < niterations; ++i)
    {
      ACE_hrtime_t start = ACE_OS::gethrtime ();

      (void) roundtrip->test_octet_method (ol,
                                           start);

      ACE_hrtime_t now = ACE_OS::gethrtime ();

      history.sample (now - start);
    }

  ACE_hrtime_t test_end = ACE_OS::gethrtime ();

  ACE_DEBUG ((LM_DEBUG, "Octet test finished\n"));

  ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
  ACE_High_Res_Timer::global_scale_factor_type gsf =
    ACE_High_Res_Timer::global_scale_factor ();
  ACE_DEBUG ((LM_DEBUG, "done\n"));

  if (do_dump_history)
    {
      history.dump_samples (ACE_TEXT("HISTORY"), gsf);
    }

  ACE_Basic_Stats stats;
  history.collect_basic_stats (stats);
  stats.dump_results (ACE_TEXT("Total"), gsf);

  ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"), gsf,
                                         test_end - test_start,
                                         stats.samples_count ());
}
예제 #3
0
파일: client.cpp 프로젝트: OspreyHub/ATCD
int
Continuous_Worker::svc (void)
{
  try
    {
      ACE_Sample_History history (this->iterations_);

      int result =
        this->setup ();

      if (result != 0)
        return result;

      for (CORBA::ULong i = 0;
           i != history.max_samples () && !done;
           ++i)
        {
          ACE_hrtime_t start = ACE_OS::gethrtime ();

          this->test_->method (work,
                               prime_number);

          ACE_hrtime_t end = ACE_OS::gethrtime ();
          history.sample (end - start);
        }

      ACE_hrtime_t test_end = ACE_OS::gethrtime ();

      end_synchronization (this->synchronizers_);

      this->print_stats (history,
                         test_end);
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("Exception caught:");
      return -1;
    }

  return 0;
}
예제 #4
0
파일: client.cpp 프로젝트: CCJY/ATCD
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
  int priority =
    (ACE_Sched_Params::priority_min (ACE_SCHED_FIFO)
     + ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2;
  // Enable FIFO scheduling, e.g., RT scheduling class on Solaris.

  if (ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO,
                                              priority,
                                              ACE_SCOPE_PROCESS)) != 0)
    {
      if (ACE_OS::last_error () == EPERM)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "client (%P|%t): user is not superuser, "
                      "test runs in time-shared class\n"));
        }
      else
        ACE_ERROR ((LM_ERROR,
                    "client (%P|%t): sched_params failed\n"));
    }

  try
    {
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc, argv);

      if (parse_args (argc, argv) != 0)
        return 1;

      CORBA::Object_var object =
        orb->string_to_object (ior);

      Test::Roundtrip_var roundtrip =
        Test::Roundtrip::_narrow (object.in ());

      if (CORBA::is_nil (roundtrip.in ()))
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "Nil Test::Roundtrip reference <%s>\n",
                             ior),
                            1);
        }

      for (int j = 0; j < 100; ++j)
        {
          ACE_hrtime_t start = 0;
          (void) roundtrip->test_method (start);
        }

      ACE_Sample_History history (niterations);

      ACE_hrtime_t test_start = ACE_OS::gethrtime ();
      for (int i = 0; i < niterations; ++i)
        {
          ACE_hrtime_t start = ACE_OS::gethrtime ();

          (void) roundtrip->test_method (start);

          ACE_hrtime_t now = ACE_OS::gethrtime ();
          history.sample (now - start);
        }

      ACE_hrtime_t test_end = ACE_OS::gethrtime ();

      ACE_DEBUG ((LM_DEBUG, "test finished\n"));

      ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
      ACE_High_Res_Timer::global_scale_factor_type gsf =
        ACE_High_Res_Timer::global_scale_factor ();
      ACE_DEBUG ((LM_DEBUG, "done\n"));

      if (do_dump_history)
        {
          history.dump_samples (ACE_TEXT("HISTORY"), gsf);
        }

      ACE_Basic_Stats stats;
      history.collect_basic_stats (stats);
      stats.dump_results (ACE_TEXT("Total"), gsf);

      ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"), gsf,
                                             test_end - test_start,
                                             stats.samples_count ());

      if (do_shutdown)
        {
          roundtrip->shutdown ();
        }
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("Exception caught:");
      return 1;
    }

  return 0;
}
int main(int argc, char * argv[])
{
  // Parameters to be passed to the services
  Sparrow::Parameters * parameters = Sparrow::Parameters::instance();

  // Config file processing
  Miro::ConfigDocument * config = new Miro::ConfigDocument(argc, argv);
  config->setSection("Sparrow99");
  config->getParameters("sparrowBoard", *parameters);
  delete config;

#ifdef DEBUG
    cout << "  sparrow paramters:" << endl << *parameters << endl;
#endif

  // Initialize server daemon.
  Service service;

  cout << "initialized" << endl;

  Miro::PositionIDL startPos, current;

  service.reactorTask.open(NULL);

  int ticks = 0;
  int niterations = 10;

  if (argc > 1)
    niterations = ACE_OS::atoi(argv[1]);

  cout << "start test" << endl;
  try {
    ACE_Sample_History history (niterations);
    
    ACE_hrtime_t test_start = ACE_OS::gethrtime ();
    for (int i = 0; i < niterations; ++i) {

      service.connection.setPower(0, 0);
      
      ACE_OS::sleep(ACE_Time_Value(1, (int)floor(rand1() * 100000.)));
      startPos = service.odometryImpl->getPosition();
      cout << "start position:" << startPos << endl;

      ACE_hrtime_t start = ACE_OS::gethrtime ();

      service.connection.setPower(10000, 10000);
      do {
	current = service.odometryImpl->getWaitPosition();
	++ticks;
      }
      while (startPos.point.x == current.point.x &&
	     startPos.point.y == current.point.y &&
	     startPos.heading == current.heading);
      
      ACE_hrtime_t now = ACE_OS::gethrtime ();
      history.sample (now - start);
    }
    service.connection.setPower(0, 0);

    ACE_hrtime_t test_end = ACE_OS::gethrtime ();

    ACE_DEBUG ((LM_DEBUG, "test finished\n"));
    
    ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
    ACE_UINT32 gsf = ACE_High_Res_Timer::global_scale_factor ();
    ACE_DEBUG ((LM_DEBUG, "done\n"));

    history.dump_samples ("HISTORY", gsf);

    ACE_Basic_Stats stats;
    history.collect_basic_stats (stats);
    stats.dump_results ("Total", gsf);
    
    ACE_Throughput_Stats::dump_throughput ("Total", gsf,
					   test_end - test_start,
					   stats.samples_count ());

    // data evaluation
    cout << "ticks: " << ticks << endl;
    cout << "end position: " << current << endl;
  }
  catch (const Miro::Exception & e) {
    cerr << "Miro exception thrown:" << e << endl;
    return 1;
  }

  service.reactorTask.cancel();
  return 0;
}
예제 #6
0
파일: Control.cpp 프로젝트: OspreyHub/ATCD
void
Control::join (Federated_Test::Peer_ptr peer)
{
  {
    ACE_GUARD (TAO_SYNCH_MUTEX, ace_mon, this->mutex_);
    if (this->peers_count_ == this->peers_expected_)
      return;

    this->peers_[this->peers_count_++] =
      Federated_Test::Peer::_duplicate (peer);

    if (this->peers_count_ < this->peers_expected_)
      return;
  }

  /// Automatically shutdown the ORB
  ACE_Utils::Auto_Functor<CORBA::ORB,ORB_Shutdown> orb_shutdown (this->orb_.in ());

  /// Automatically shutdown the peers
  typedef ACE_Utils::Auto_Functor<Federated_Test::Peer,Shutdown<Federated_Test::Peer> > Peer_Shutdown;
  ACE_Auto_Basic_Array_Ptr<Peer_Shutdown> peer_shutdown (
      new Peer_Shutdown[this->peers_count_]
      );

  size_t i;
  for (i = 0; i != this->peers_count_; ++i)
    {
      peer_shutdown[i].reset(this->peers_[i].in());
    }

  ACE_DEBUG ((LM_DEBUG,
              "Control (%P|%t) Building the federation\n"));

  /// Build the EC federation
  for (i = 0; i != this->peers_count_; ++i)
    {
      for (size_t j = 0; j != this->peers_count_; ++j)
        {
          if (i != j)
            {
              this->peers_[j]->connect (this->peers_[i].in ());
            }
        }
    }

  /// ... run the test(s) ...
  for (i = 0; i != this->peers_count_; ++i)
    {
      /// ... automatically release the object references ...
      ACE_Auto_Basic_Array_Ptr<Federated_Test::Loopback_var> loopbacks (
          new Federated_Test::Loopback_var[2*this->peers_count_]
          );

      /// ... and automatically disconnect the loopbacks ...
      typedef Auto_Disconnect<Federated_Test::Loopback> Loopback_Disconnect;
      ACE_Auto_Basic_Array_Ptr<auto_ptr<Loopback_Disconnect> > disconnects (
          new auto_ptr<Loopback_Disconnect>[2*this->peers_count_]
          );

      ACE_DEBUG ((LM_DEBUG,
                  "Control (%P|%t) Running test for peer %d\n",
                  i));
      CORBA::Long experiment_id = 128 + i;
      CORBA::Long base_event_type = ACE_ES_EVENT_UNDEFINED;

      size_t lcount = 0;

      size_t j;
      for (j = 0; j != this->peers_count_; ++j)
        {
          if (j != i)
            {
              loopbacks[lcount] =
                this->peers_[j]->setup_loopback (experiment_id,
                                                 base_event_type);

              ACE_auto_ptr_reset (disconnects[lcount],
                                  new Loopback_Disconnect (
                                        loopbacks[lcount].in ()));
              lcount++;

              loopbacks[lcount] =
                this->peers_[j]->setup_loopback (experiment_id,
                                                 base_event_type + 2);

              ACE_auto_ptr_reset (disconnects[lcount],
                                  new Loopback_Disconnect (
                                        loopbacks[lcount].in ()));
              lcount++;
            }
        }

      Federated_Test::Experiment_Results_var results =
        this->peers_[i]->run_experiment (experiment_id,
                                         this->iterations_);

      ACE_Sample_History history (results->length ());
      for (CORBA::ULong k = 0; k != results->length (); ++k)
        history.sample (results[k]);

      // We use a fake scale factor because the peer already converted
      // to microseconds...
      const ACE_UINT32 fake_scale_factor = 1;

      ACE_Basic_Stats stats;
      history.collect_basic_stats (stats);
      stats.dump_results (ACE_TEXT("Total"), fake_scale_factor);

      if (this->do_dump_history_)
        {
          history.dump_samples (ACE_TEXT("HISTORY"), fake_scale_factor);
        }
    }
}
예제 #7
0
파일: client.cpp 프로젝트: OspreyHub/ATCD
int
ACE_TMAIN(int argc, ACE_TCHAR *argv[])
{
  int priority =
    (ACE_Sched_Params::priority_min (ACE_SCHED_FIFO)
     + ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2;
  // Enable FIFO scheduling, e.g., RT scheduling class on Solaris.

  if (ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO,
                                              priority,
                                              ACE_SCOPE_PROCESS)) != 0)
    {
      if (ACE_OS::last_error () == EPERM)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "client (%P|%t): user is not superuser, "
                      "test runs in time-shared class\n"));
        }
      else
        ACE_ERROR ((LM_ERROR,
                    "client (%P|%t): sched_params failed\n"));
    }

  try
    {
      CORBA::ORB_var orb =
        CORBA::ORB_init (argc, argv);

      if (parse_args (argc, argv) != 0)
        return 1;

      CORBA::Object_var object =
        orb->string_to_object (ior);

      Test::Factory_var factory =
        Test::Factory::_narrow (object.in ());

      if (CORBA::is_nil (factory.in ()))
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "Nil Test::Factory reference <%s>\n",
                             ior),
                            1);
        }

      Test::Simple_Sequence references (niterations);
      references.length (niterations);

      ACE_Sample_History activation (niterations);

      ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
      ACE_High_Res_Timer::global_scale_factor_type gsf =
        ACE_High_Res_Timer::global_scale_factor ();
      ACE_DEBUG ((LM_DEBUG, "done\n"));

      ACE_DEBUG ((LM_DEBUG, "Activating %d objects\n", niterations));
      for (int i = 0; i != niterations; ++i)
        {
          ACE_hrtime_t start = ACE_OS::gethrtime ();

          references[i] =
            factory->create_simple_object ();

          ACE_hrtime_t now = ACE_OS::gethrtime ();
          activation.sample (now - start);
        }
      ACE_DEBUG ((LM_DEBUG, "Activations completed\n"));

      if (do_dump_history)
        {
          activation.dump_samples (ACE_TEXT("ACTIVATION_HISTORY"), gsf);
        }

      ACE_Basic_Stats activation_stats;
      activation.collect_basic_stats (activation_stats);
      activation_stats.dump_results (ACE_TEXT("Activation"), gsf);

      ACE_Sample_History destruction (niterations);

      ACE_DEBUG ((LM_DEBUG, "Destroying %d objects\n", niterations));
      for (int j = 0; j != niterations; ++j)
        {
          ACE_hrtime_t start = ACE_OS::gethrtime ();

          references[j]->destroy ();

          ACE_hrtime_t now = ACE_OS::gethrtime ();
          destruction.sample (now - start);
        }
      ACE_DEBUG ((LM_DEBUG, "Destructions completed\n"));

      if (do_dump_history)
        {
          destruction.dump_samples (ACE_TEXT("DESTRUCTION_HISTORY"), gsf);
        }

      ACE_Basic_Stats destruction_stats;
      destruction.collect_basic_stats (destruction_stats);
      destruction_stats.dump_results (ACE_TEXT("Destruction"), gsf);

      if (do_shutdown)
        {
          factory->shutdown ();
        }
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("Exception caught:");
      return 1;
    }

  return 0;
}
예제 #8
0
int
Latency_Query_Client::run (void)
{
//  CORBA::DefinitionKind dk;
  CORBA::AttributeMode am;

  try
    {
      for (int j = 0; j < 100; ++j)
        {
          am = this->attr_->mode ();

          if (am != CORBA::ATTR_NORMAL)
            {
              return -1;
            }
        }

      ACE_Sample_History history (this->iterations_);
      ACE_hrtime_t test_start = ACE_OS::gethrtime ();

      for (CORBA::ULong i = 0; i < this->iterations_; ++i)
        {
          ACE_hrtime_t start = ACE_OS::gethrtime ();

          am = this->attr_->mode ();

          ACE_hrtime_t now = ACE_OS::gethrtime ();
          history.sample (now - start);
        }

      ACE_hrtime_t test_end = ACE_OS::gethrtime ();

      if (this->debug_)
        {
          ACE_DEBUG ((LM_DEBUG,
                      "test finished\n"));
          ACE_DEBUG ((LM_DEBUG,
                      "High resolution timer calibration...."));
          ACE_High_Res_Timer::global_scale_factor_type gsf =
            ACE_High_Res_Timer::global_scale_factor ();
          ACE_DEBUG ((LM_DEBUG,
                      "done\n"));

          if (this->do_dump_history_)
            {
              history.dump_samples (ACE_TEXT("HISTORY"), gsf);
            }

          ACE_Basic_Stats stats;
          history.collect_basic_stats (stats);
          stats.dump_results (ACE_TEXT("Total"), gsf);

          ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"),
                                                 gsf,
                                                 test_end - test_start,
                                                 stats.samples_count ());
        }
    }
  catch (const CORBA::Exception& ex)
    {
      ex._tao_print_exception ("Latency_Query_Client::run:");
      return -1;
    }

  return 0;
}
int main(int argc, char * argv[])
{
  Server server(argc, argv);

  SparrowMotion_var motion = server.resolveName<SparrowMotion>("Motion");
  Odometry_var odometry = server.resolveName<Odometry>("Odometry");

  PositionIDL startPos, current;

  int ticks = 0;
  int niterations = 10;

  if (argc > 1)
    niterations = ACE_OS::atoi(argv[1]);

  cout << "start test" << endl;
  try {
    ACE_Sample_History history (niterations);
    
    ACE_hrtime_t test_start = ACE_OS::gethrtime ();
    for (int i = 0; i < niterations; ++i) {

      motion->setLRPower(0, 0);
      
      ACE_OS::sleep(ACE_Time_Value(1, (int)floor(rand1() * 100000.)));
      startPos = odometry->getPosition();
      cout << "start position:" << startPos << endl;
      
      ACE_hrtime_t start = ACE_OS::gethrtime ();

      motion->setLRPower(10000, 10000);
      do {
	current = odometry->getWaitPosition();
	++ticks;
      }
      while (startPos.point.x == current.point.x &&
	     startPos.point.y == current.point.y &&
	     startPos.heading == current.heading);
  
      ACE_hrtime_t now = ACE_OS::gethrtime ();
      history.sample (now - start);
    }
    motion->setLRPower(0, 0);

    ACE_hrtime_t test_end = ACE_OS::gethrtime ();

    ACE_DEBUG ((LM_DEBUG, "test finished\n"));
    
    ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
    ACE_UINT32 gsf = ACE_High_Res_Timer::global_scale_factor ();
    ACE_DEBUG ((LM_DEBUG, "done\n"));

    history.dump_samples ("HISTORY", gsf);

    ACE_Basic_Stats stats;
    history.collect_basic_stats (stats);
    stats.dump_results ("Total", gsf);
    
    ACE_Throughput_Stats::dump_throughput ("Total", gsf,
					   test_end - test_start,
					   stats.samples_count ());

    // data evaluation
    cout << "ticks: " << ticks << endl;
    cout << "end position: " << current << endl;
  }
  catch (const Miro::Exception & e) {
    cerr << "Miro exception thrown:" << e << endl;
    return 1;
  }

  return 0;
}
예제 #10
0
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
  int priority =
    (ACE_Sched_Params::priority_min (ACE_SCHED_FIFO)
     + ACE_Sched_Params::priority_max (ACE_SCHED_FIFO)) / 2;

  ACE_OS::sched_params (ACE_Sched_Params (ACE_SCHED_FIFO,
                                          priority,
                                          ACE_SCOPE_PROCESS));

  int n = 50000;
  int insertion = 1;

  try
    {
      CORBA::ORB_var orb = CORBA::ORB_init (argc, argv);

      ACE_Get_Opt get_opt (argc, argv, ACE_TEXT("dien:"));
      int opt;

      while ((opt = get_opt ()) != EOF)
        {
          switch (opt)
            {
            case 'd':
              TAO_debug_level++;
              break;
            case 'i':
              insertion = 1;
              break;
            case 'e':
              insertion = 0;
              break;
            case 'n':
              n = ACE_OS::atoi (get_opt.opt_arg ());
              break;
            case '?':
            default:
              ACE_DEBUG ((LM_DEBUG,
                          "Usage: %s "
                          "-d debug"
                          "-n <num> "
                          "\n",
                          argv[0]));
              return -1;
            }
        }

      CORBA::Boolean result = 0;
      int j;

      {
        CORBA::Object_var obj =
          orb->string_to_object ("corbaloc:iiop:localhost:1234/Foo/Bar");

        Param_Test_var param_test =
          TAO::Narrow_Utils<Param_Test>::unchecked_narrow (obj.in ());
        TAO_Stub *stub = param_test->_stubobj ();
        stub->type_id = CORBA::string_dup ("IDL:Param_Test:1.0");

        ACE_Sample_History history (n);
        ACE_hrtime_t test_start = ACE_OS::gethrtime ();

        for (j = 0; j != n; ++j)
          {
            CORBA::Any any;

            if (insertion == 1)
              {
                ACE_hrtime_t start = ACE_OS::gethrtime ();

                any <<= param_test.in ();

                ACE_hrtime_t now = ACE_OS::gethrtime ();
                history.sample (now - start);

                Param_Test_ptr o;

                result = any >>= o;
              }
            else
              {
                any <<= param_test.in ();

                Param_Test_ptr o;

                ACE_hrtime_t start = ACE_OS::gethrtime ();

                result = any >>= o;

                ACE_hrtime_t now = ACE_OS::gethrtime ();
                history.sample (now - start);
              }
          }

        ACE_hrtime_t test_end = ACE_OS::gethrtime ();

        if (insertion == 1)
          {
            ACE_DEBUG ((LM_DEBUG,
                        "Objref insertion test finished\n"));
          }
        else
          {
            ACE_DEBUG ((LM_DEBUG,
                        "Objref extraction test finished\n"));
          }

        ACE_DEBUG ((LM_DEBUG,
                    "High resolution timer calibration...."));
        ACE_High_Res_Timer::global_scale_factor_type gsf =
          ACE_High_Res_Timer::global_scale_factor ();
        ACE_DEBUG ((LM_DEBUG,
                    "done\n"));

        ACE_Basic_Stats stats;
        history.collect_basic_stats (stats);
        stats.dump_results (ACE_TEXT("Total"), gsf);

        ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"),
                                               gsf,
                                               test_end - test_start,
                                               stats.samples_count ());
      }
예제 #11
0
void
MyImpl::RoundTripClient_exec_i::start ()
{
  ///////////// Start test /////////////////////////////////////////

  // Let's try to start tests from here...
  Benchmark::LatencyTest_var lt =
    context_->get_connection_latency ();

  ACE_DEBUG ((LM_INFO,
               "MyImpl::RoundTripClient_exec::start obtain obj ref\n"));

  CORBA::Long test_data = 0L;

  //Warm up the system
  int i = 0;
  for (i=0; i < 100; i++)
    lt->makeCall (test_data);

  ACE_DEBUG ((LM_DEBUG, "MyImpl::start: warmed up the system\n"));

  ACE_Sample_History history (niterations);

  ACE_hrtime_t test_start = ACE_OS::gethrtime ();
  for (i = 0; i < niterations; ++i)
    {
      ACE_hrtime_t start = ACE_OS::gethrtime ();

      //Test value to be sent to the server
      long test = 0;

      (void) lt->makeCall (test);

      ACE_hrtime_t now = ACE_OS::gethrtime ();
      history.sample (now - start);
    }

  ACE_hrtime_t test_end = ACE_OS::gethrtime ();

  ACE_DEBUG ((LM_DEBUG, "test finished\n"));

  ACE_DEBUG ((LM_DEBUG, "High resolution timer calibration...."));
  ACE_High_Res_Timer::global_scale_factor_type gsf =
    ACE_High_Res_Timer::global_scale_factor ();
  ACE_DEBUG ((LM_DEBUG, "done\n"));

  ACE_Env_Value<int> envar (ACE_TEXT("CIAO_DUMP_SAMPLE_HISTORY"), 0);
  if (envar != 0)
    {
      history.dump_samples (ACE_TEXT("HISTORY"), gsf);
    }

  ACE_Basic_Stats stats;
  history.collect_basic_stats (stats);
  stats.dump_results (ACE_TEXT("Total"), gsf);

  ACE_Throughput_Stats::dump_throughput (ACE_TEXT("Total"),
                                         gsf,
                                         test_end - test_start,
                                         stats.samples_count ());

}