/*
* Copyright 2017 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.profiler.monitor.metric.gc;
import com.codahale.metrics.Gauge;
import com.codahale.metrics.Metric;
import com.navercorp.pinpoint.profiler.monitor.codahale.MetricMonitorValues;
import com.navercorp.pinpoint.thrift.dto.TJvmGcType;
import java.util.Map;
/**
* HotSpot's Serial gc garbage collector metrics
*
* @author dawidmalina
* @author HyunGil Jeong
*/
public class SerialGcGarbageCollectorMetric implements GarbageCollectorMetric {
private static final TJvmGcType GC_TYPE = TJvmGcType.SERIAL;
private final Gauge<Long> gcOldCountGauge;
private final Gauge<Long> gcOldTimeGauge;
private final Gauge<Long> gcNewCountGauge;
private final Gauge<Long> gcNewTimeGauge;
@SuppressWarnings("unchecked")
public SerialGcGarbageCollectorMetric(Map<String, Metric> garbageCollectorMetrics) {
if (garbageCollectorMetrics == null) {
throw new NullPointerException("garbageCollectorMetrics must not be null");
}
gcOldCountGauge = (Gauge<Long>) MetricMonitorValues.getMetric(garbageCollectorMetrics, MetricMonitorValues.METRIC_GC_SERIAL_OLDGEN_COUNT, EMPTY_LONG_GAUGE);
gcOldTimeGauge = (Gauge<Long>) MetricMonitorValues.getMetric(garbageCollectorMetrics, MetricMonitorValues.METRIC_GC_SERIAL_OLDGEN_TIME, EMPTY_LONG_GAUGE);
gcNewCountGauge = (Gauge<Long>) MetricMonitorValues.getMetric(garbageCollectorMetrics, MetricMonitorValues.METRIC_GC_SERIAL_NEWGEN_COUNT, EMPTY_LONG_GAUGE);
gcNewTimeGauge = (Gauge<Long>) MetricMonitorValues.getMetric(garbageCollectorMetrics, MetricMonitorValues.METRIC_GC_SERIAL_NEWGEN_TIME, EMPTY_LONG_GAUGE);
}
@Override
public TJvmGcType gcType() {
return GC_TYPE;
}
@Override
public Long gcOldCount() {
return gcOldCountGauge.getValue();
}
@Override
public Long gcOldTime() {
return gcOldTimeGauge.getValue();
}
@Override
public Long gcNewCount() {
return gcNewCountGauge.getValue();
}
@Override
public Long gcNewTime() {
return gcNewTimeGauge.getValue();
}
@Override
public String toString() {
return "HotSpot's Serial gc garbage collector metrics";
}
}