Examples with MeasurementAccumulator org.spf4j.perf.MeasurementAccumulator used on opensource projects

Example 1 with MeasurementAccumulator

use of org.spf4j.perf.MeasurementAccumulator in project spf4j by zolyfarkas.

the class ScalableMeasurementRecorder method getThenReset.

@Override
public long[] getThenReset() {
    MeasurementAccumulator result = null;
    synchronized (threadLocalRecorders) {
        Iterator<Map.Entry<Thread, MeasurementAccumulator>> iterator = threadLocalRecorders.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry<Thread, MeasurementAccumulator> entry = iterator.next();
            Thread t = entry.getKey();
            if (!t.isAlive()) {
                iterator.remove();
            }
            MeasurementAccumulator measurements = entry.getValue().reset();
            if (result == null) {
                result = measurements;
            } else {
                if (measurements != null) {
                    result = result.aggregate(measurements);
                }
            }
        }
    }
    return (result == null) ? null : result.get();
}

Example 2 with MeasurementAccumulator

use of org.spf4j.perf.MeasurementAccumulator in project spf4j by zolyfarkas.

the class ScalableMeasurementRecorderSource method getMeasurementsAsString.

@JmxExport(description = "measurements as csv")
public String getMeasurementsAsString() {
    StringWriter sw = new StringWriter(128);
    Map<Object, MeasurementAccumulator> entitiesMeasurements = getEntitiesMeasurements();
    MeasurementsInfo info = this.processorTemplate.getInfo();
    try {
        Csv.writeCsvRow2(sw, "Measured", (Object[]) info.getMeasurementNames());
        Csv.writeCsvRow2(sw, "string", (Object[]) info.getMeasurementUnits());
        for (Map.Entry<Object, MeasurementAccumulator> entry : entitiesMeasurements.entrySet()) {
            Csv.writeCsvElement(entry.getKey().toString(), sw);
            sw.write(',');
            final long[] measurements = entry.getValue().get();
            if (measurements != null) {
                Csv.writeCsvRow(sw, measurements);
            }
        }
    } catch (IOException ex) {
        throw new UncheckedIOException(ex);
    }
    return sw.toString();
}

Example 3 with MeasurementAccumulator

use of org.spf4j.perf.MeasurementAccumulator in project spf4j by zolyfarkas.

the class ScalableMeasurementRecorderSource method getMeasurements.

public CompositeDataSupport getMeasurements() {
    Map<Object, MeasurementAccumulator> entitiesMeasurements = getEntitiesMeasurements();
    MeasurementsInfo info = this.processorTemplate.getInfo();
    int nrStuff = entitiesMeasurements.size();
    String[] names = new String[nrStuff];
    String[] descriptions = new String[nrStuff];
    OpenType<?>[] types = new OpenType[nrStuff];
    Object[] values = new Object[nrStuff];
    int i = 0;
    for (Map.Entry<Object, MeasurementAccumulator> entry : entitiesMeasurements.entrySet()) {
        MeasurementAccumulator acc = entry.getValue();
        MeasurementsInfo eInfo = acc.getInfo();
        String cattrName = eInfo.getMeasuredEntity().toString();
        names[i] = cattrName;
        String cattrDesc = eInfo.getDescription();
        if (cattrDesc.isEmpty()) {
            cattrDesc = cattrName;
        }
        descriptions[i] = cattrDesc;
        types[i] = eInfo.toCompositeType();
        values[i] = acc.getCompositeData();
        i++;
    }
    try {
        String name = info.getMeasuredEntity().toString();
        String description = info.getDescription();
        if (description.isEmpty()) {
            description = name;
        }
        CompositeType setType = new CompositeType(name, description, names, descriptions, types);
        return new CompositeDataSupport(setType, names, values);
    } catch (OpenDataException ex) {
        throw new IllegalArgumentException("Not composite data compatible " + this, ex);
    }
}

Example 4 with MeasurementAccumulator

use of org.spf4j.perf.MeasurementAccumulator in project spf4j by zolyfarkas.

the class CountingAccumulator method reset.

@Override
@Nullable
public synchronized MeasurementAccumulator reset() {
    if (counter == 0) {
        return null;
    } else {
        MeasurementAccumulator result = this.createClone();
        counter = 0;
        total = 0;
        return result;
    }
}

Example 5 with MeasurementAccumulator

use of org.spf4j.perf.MeasurementAccumulator in project spf4j by zolyfarkas.

the class ScalableMeasurementRecorderSource method getEntitiesMeasurements.

@Override
public Map<Object, MeasurementAccumulator> getEntitiesMeasurements() {
    Map<Object, MeasurementAccumulator> result = new HashMap<>();
    synchronized (measurementProcessorMap) {
        Iterator<Map.Entry<Thread, Map<Object, MeasurementAccumulator>>> iterator = measurementProcessorMap.entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry<Thread, Map<Object, MeasurementAccumulator>> entry = iterator.next();
            Map<Object, MeasurementAccumulator> measurements = entry.getValue();
            synchronized (measurements) {
                for (Map.Entry<Object, MeasurementAccumulator> lentry : measurements.entrySet()) {
                    Object what = lentry.getKey();
                    MeasurementAccumulator existingMeasurement = result.get(what);
                    if (existingMeasurement == null) {
                        existingMeasurement = lentry.getValue().createClone();
                    } else {
                        existingMeasurement = existingMeasurement.aggregate(lentry.getValue().createClone());
                    }
                    result.put(what, existingMeasurement);
                }
            }
        }
    }
    return result;
}