Examples with TObjectLongMap gnu.trove.map.TObjectLongMap used on opensource projects

Example 1 with TObjectLongMap

use of gnu.trove.map.TObjectLongMap in project spf4j by zolyfarkas.

the class GCUsageSampler method start.

@JmxExport
public static synchronized void start(@JmxExport("sampleTimeMillis") final int sampleTime) {
    if (samplingFuture == null) {
        final MeasurementRecorder gcUsage = RecorderFactory.createDirectRecorder("gc-time", "ms", sampleTime);
        samplingFuture = DefaultScheduler.INSTANCE.scheduleWithFixedDelay(new AbstractRunnable() {

            private final TObjectLongMap lastValues = new TObjectLongHashMap();

            @Override
            public void doRun() {
                synchronized (lastValues) {
                    gcUsage.record(getGCTimeDiff(MBEANS, lastValues));
                }
            }
        }, sampleTime, sampleTime, TimeUnit.MILLISECONDS);
    } else {
        throw new IllegalStateException("GC usage sampling already started " + samplingFuture);
    }
}