Examples of com.codahale.metrics.ConsoleReporter

com.codahale.metrics.ConsoleReporter
A reporter which outputs measurements to a {@link PrintStream}, like {@code System.out}.

    reporter.start(10, TimeUnit.SECONDS);
    return reporter;
  }


  private static ConsoleReporter startConsoleReporter(MetricRegistry registry) throws Exception {
    final ConsoleReporter reporter = ConsoleReporter
        .forRegistry(registry)
        .convertRatesTo(TimeUnit.SECONDS)
        .convertDurationsTo(TimeUnit.MILLISECONDS)
        .build();
    reporter.start(1, TimeUnit.MINUTES);
    return reporter;
  }

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     * The scheduling is done based on intervalType please review the
     * simulation plan for the timing.
     */
    private void runThreadedSimulation(SimulationPlan plan) {
        this.initializeMetricsServer(plan);
        final ConsoleReporter consoleReporter = createConsoleReporter(metrics, plan.getMetricsReportInterval());


        final ScheduledExecutorService aggregators = Executors.newScheduledThreadPool(1, new SimulatorThreadFactory());
        final ScheduledExecutorService collectors = Executors.newScheduledThreadPool(
            plan.getNumMeasurementCollectors(), new SimulatorThreadFactory());
        final ExecutorService aggregationQueue = Executors.newSingleThreadExecutor(new SimulatorThreadFactory());
        final ScheduledExecutorService readers = Executors.newScheduledThreadPool(plan.getReaderThreadPoolSize(),
            new SimulatorThreadFactory());


        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                shutdown(collectors, "collectors", 5);
                shutdown(readers, "readers", 5);
                shutdown(aggregators, "aggregators", 1);
                shutdown(aggregationQueue, "aggregationQueue", Integer.MAX_VALUE);
                metricsServer.shutdown();
                log.info("Wait for console reporter...");
                try {
                    Thread.sleep(181000);
                } catch (InterruptedException e) {
                }
                consoleReporter.stop();
            }
        });


        MeasurementAggregator measurementAggregator = new MeasurementAggregator(metricsServer, this, metrics,
            aggregationQueue, plan.getNumMeasurementCollectors() * plan.getBatchSize());

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    private ConsoleReporter createConsoleReporter(Metrics metrics, int reportInterval) {
        try {
            File basedir = new File(System.getProperty("rhq.metrics.simulator.basedir"));
            File logDir = new File(basedir, "log");
            ConsoleReporter consoleReporter = ConsoleReporter.forRegistry(metrics.registry)
                .convertRatesTo(TimeUnit.SECONDS).convertDurationsTo(TimeUnit.MILLISECONDS)
                .outputTo(new PrintStream(new FileOutputStream(new File(logDir, "metrics.txt")))).build();
            consoleReporter.start(reportInterval, TimeUnit.SECONDS);
            return consoleReporter;
        } catch (FileNotFoundException e) {
            throw new RuntimeException("Failed to create console reporter", e);
        }
    }

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    this.launchConfig = launchConfig;
  }


  @Override
  public ConsoleReporter get() {
    ConsoleReporter reporter = ConsoleReporter.forRegistry(metricRegistry).build();
    String interval = launchConfig.getOther("metrics.scheduledreporter.interval", "30");
    reporter.start(Long.parseLong(interval), TimeUnit.SECONDS);
    return reporter;
  }

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        // Capture Stats ...


        ByteArrayOutputStream baos = new ByteArrayOutputStream();


        final ConsoleReporter reporter = ConsoleReporter.forRegistry(cmm.getMetrics())
                .convertRatesTo(TimeUnit.SECONDS)
                .convertDurationsTo(TimeUnit.SECONDS)
                .outputTo(new PrintStream(baos))
                .build();
        reporter.start(1, TimeUnit.SECONDS);
        try {
            Thread.sleep(1800);
        } catch (InterruptedException e) {
        }


        reporter.stop();


        // ... for assertion


        String result = baos.toString().replace("= 0.48 calls", "= 0.50 calls").replace("= 0.49 calls", "= 0.50 calls");
        result = result.substring(result.indexOf("-- Timers"));

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        // Capture Stats ...


        ByteArrayOutputStream baos = new ByteArrayOutputStream();


        final ConsoleReporter reporter = ConsoleReporter.forRegistry(cmm.getMetrics())
                .convertRatesTo(TimeUnit.SECONDS)
                .convertDurationsTo(TimeUnit.SECONDS)
                .outputTo(new PrintStream(baos))
                .build();
        reporter.start(1, TimeUnit.SECONDS);
        try {
            Thread.sleep(1800);
        } catch (InterruptedException e) {
        }


        reporter.stop();


        // ... for assertion


        String result = baos.toString()
                .replace("= 0.47 calls", "= 0.50 calls")

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    @Override
    public void testRunFinished(Result result) throws Exception {
        super.testRunFinished(result);


        final ConsoleReporter reporter = ConsoleReporter.forRegistry(codahaleMetricsMonitor.getMetrics())
                .convertRatesTo(TimeUnit.MILLISECONDS)
                .convertDurationsTo(TimeUnit.MILLISECONDS)
                .outputTo(System.out)
                .build();


        reporter.report();


    }

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        }
      }
    });


    Metrics.getMetrics().registerAll(Metrics.getJstack());
    final ConsoleReporter reporter = ConsoleReporter
        .forRegistry(Metrics.getMetrics())
        .convertRatesTo(TimeUnit.SECONDS)
        .convertDurationsTo(TimeUnit.MILLISECONDS).build();
    reporter.start(1, TimeUnit.MINUTES);


    thread.start();
  }

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