Examples with Histogram com.lmax.disruptor.collections.Histogram used on opensource projects

Example 1 with Histogram

use of com.lmax.disruptor.collections.Histogram in project camel by apache.

the class SedaDisruptorCompareTest method uninstallSizeMonitoring.

private void uninstallSizeMonitoring(final ExecutorService monitoring) {
    if (monitoring != null) {
        monitoring.shutdownNow();
    }
    final Histogram histogram = new Histogram(sizeHistogramBounds);
    for (final int observation : endpointSizeQueue) {
        histogram.addObservation(observation);
    }
    System.out.printf("%82s %s%n", "Endpoint size (# exchanges pending):", histogram.toString());
}

Example 2 with Histogram

use of com.lmax.disruptor.collections.Histogram in project camel by apache.

the class SedaDisruptorCompareTest method outputExchangeAwaitersResult.

private void outputExchangeAwaitersResult(final long start) throws InterruptedException {
    for (final ExchangeAwaiter exchangeAwaiter : exchangeAwaiters) {
        final long stop = exchangeAwaiter.getCountDownReachedTime();
        final Histogram histogram = exchangeAwaiter.getLatencyHistogram();
        System.out.printf("%-45s time spent = %5d ms. Latency (ms): %s %n", componentName, stop - start, histogram.toString());
    }
}

Example 3 with Histogram

use of com.lmax.disruptor.collections.Histogram in project logging-log4j2 by apache.

the class PerfTest method createSamplingReport.

static String createSamplingReport(final String name, final Histogram histogram) {
    final Histogram data = histogram;
    if (throughput) {
        return data.getMax() + " operations/second";
    }
    final String result = //
    String.format(//
    "avg=%.0f 99%%=%d 99.99%%=%d sampleCount=%d", //
    data.getMean(), //
    data.getTwoNinesUpperBound(), //
    data.getFourNinesUpperBound(), //
    data.getCount());
    return result;
}

Example 4 with Histogram

use of com.lmax.disruptor.collections.Histogram in project logging-log4j2 by apache.

the class PerfTest method runSingleThreadedTest.

private int runSingleThreadedTest(final IPerfTestRunner runner, final int LINES, final String name, final String resultFile) throws IOException {
    final Histogram latency = createHistogram();
    runTest(runner, LINES, "end", latency, 1);
    reportResult(resultFile, name, latency);
    return LINES;
}

Example 5 with Histogram

use of com.lmax.disruptor.collections.Histogram in project logging-log4j2 by apache.

the class MultiThreadPerfTest method multiThreadedTestRun.

private void multiThreadedTestRun(final IPerfTestRunner runner, final String name, final int threadCount, final String resultFile) throws Exception {
    final Histogram[] histograms = new Histogram[threadCount];
    for (int i = 0; i < histograms.length; i++) {
        histograms[i] = PerfTest.createHistogram();
    }
    final int LINES = 256 * 1024;
    final Thread[] threads = new Thread[threadCount];
    for (int i = 0; i < threads.length; i++) {
        final Histogram histogram = histograms[i];
        threads[i] = new Thread() {

            @Override
            public void run() {
                //                    int latencyCount = threadCount >= 16 ? 1000000 : 5000000;
                final int latencyCount = 5000000;
                final int count = PerfTest.throughput ? LINES / threadCount : latencyCount;
                runTest(runner, count, "end", histogram, threadCount);
            }
        };
    }
    for (final Thread thread : threads) {
        thread.start();
    }
    for (final Thread thread : threads) {
        thread.join();
    }
    for (final Histogram histogram : histograms) {
        PerfTest.reportResult(resultFile, name, histogram);
    }
}