Author: [log in to unmask]
Date: Mon Mar 16 14:42:56 2015
New Revision: 2466
Log:
Cleanup ET system strip chart code.
Modified:
java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/MonitoringPlotFactory.java
java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/StripChartBuilder.java
java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatistics.java
java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatisticsImpl.java
java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/et/EtSystemStripCharts.java
Modified: java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/MonitoringPlotFactory.java
=============================================================================
--- java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/MonitoringPlotFactory.java (original)
+++ java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/MonitoringPlotFactory.java Mon Mar 16 14:42:56 2015
@@ -164,7 +164,7 @@
RegularTimePeriod timeBase,
ValueProvider valueProvider,
long rangeView) {
- StripChartUpdater updater = StripChartBuilder.createStripChart(
+ StripChartUpdater updater = StripChartBuilder.createDynamicTimeSeriesChart(
name,
rangeLabel,
seriesCount,
@@ -216,6 +216,17 @@
return stripChart;
}
+ public JFreeChart createTimeSeriesChart(
+ String title,
+ String yAxisLabel,
+ int seriesCount,
+ String[] datasetNames,
+ double rangeSize) {
+ JFreeChart chart = StripChartBuilder.createTimeSeriesChart(title, yAxisLabel, seriesCount, datasetNames, rangeSize);
+ addChart(chart);
+ return chart;
+ }
+
/**
* Get the global registry of plotters.
* @return The global plotter registry.
Modified: java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/StripChartBuilder.java
=============================================================================
--- java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/StripChartBuilder.java (original)
+++ java/trunk/monitoring-util/src/main/java/org/hps/monitoring/plotting/StripChartBuilder.java Mon Mar 16 14:42:56 2015
@@ -26,12 +26,12 @@
* @param valueProvider The interface for providing values.
* @return The StripChartUpdater for the chart.
*/
- static StripChartUpdater createStripChart(
+ static StripChartUpdater createDynamicTimeSeriesChart(
String name,
int seriesCount,
RegularTimePeriod timeBase,
ValueProvider valueProvider) {
- return createStripChart(name, "Values", seriesCount, null, 9999, timeBase, valueProvider, 10000L);
+ return createDynamicTimeSeriesChart(name, "Values", seriesCount, null, 9999, timeBase, valueProvider, 10000L);
}
/**
@@ -47,7 +47,7 @@
* @param rangeView The view in the domain axis around the current data point (milliseconds).
* @return The StripChartUpdater for the chart.
*/
- static StripChartUpdater createStripChart(
+ static StripChartUpdater createDynamicTimeSeriesChart(
String name,
String rangeLabel,
int seriesCount,
@@ -99,7 +99,7 @@
* @param maxCount The maximum count of items in the single data set series.
* @return The chart that was created.
*/
- public static JFreeChart createTimeSeriesChart(
+ static JFreeChart createTimeSeriesChart(
String title,
String yAxisLabel,
int maxAge,
@@ -149,7 +149,7 @@
* @param rangeSize The range of values to show for auto-ranging in domain axis (in milliseconds).
* @return The chart that was created.
*/
- public static JFreeChart createTimeSeriesChart(
+ static JFreeChart createTimeSeriesChart(
String title,
String yAxisLabel,
int seriesCount,
Modified: java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatistics.java
=============================================================================
--- java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatistics.java (original)
+++ java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatistics.java Mon Mar 16 14:42:56 2015
@@ -11,13 +11,20 @@
* Set the desired timer tick length in millis.
* @param tickLengthMillis The desired tick length in millis.
*/
- void setTickLengthMillis(long tickLengthMillis);
+ void setNominalTickLengthMillis(long tickLengthMillis);
/**
- * Get the nominal length of one tick in millis. Actual ticks lengths may vary slightly.
+ * Get the nominal length of one tick in millis.
+ * Actual tick lengths lengths may vary slightly.
* @return The nominal tick length in millis.
*/
- long getTickLengthMillis();
+ long getNominalTickLengthMillis();
+
+ /**
+ * Get the end of the tick in Unix time (milliseconds since the epoch).
+ * @return The tick end in Unix time.
+ */
+ long getTickEndTimeMillis();
/**
* Start the timer thread for accumulating statistics.
@@ -40,7 +47,7 @@
* Get the number of millis since the session started.
* @return The number of millis since session start.
*/
- long getTotalElapsedMillis();
+ long getElapsedMillis();
/**
* Get the Unix start time of the session.
@@ -105,6 +112,13 @@
* @return The data rate in [bytes/second].
*/
public double getBytesPerSecond();
+
+ /**
+ * Get the immediate data rate which is the amount of data in megabytes received in the current tick
+ * over the time elapsed in the tick.
+ * @return The data rate in [bytes/second].
+ */
+ public double getMegabytesPerSecond();
/**
* Get the number of milliseconds since the last tick.
@@ -123,10 +137,10 @@
* @param ps The PrintStream for display.
*/
void printTick(PrintStream ps);
-
+
/**
- * Add subtask which will execute right before a new tick.
- * @param subtask The subtask to execute.
+ *
+ * @param listener
*/
- //void addSubTask(TimerTask subtask);
+ void addSystemStatisticsListener(SystemStatisticsListener listener);
}
Modified: java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatisticsImpl.java
=============================================================================
--- java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatisticsImpl.java (original)
+++ java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/SystemStatisticsImpl.java Mon Mar 16 14:42:56 2015
@@ -2,6 +2,8 @@
import java.io.PrintStream;
import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
@@ -12,21 +14,28 @@
*/
public class SystemStatisticsImpl implements SystemStatistics {
- long tickLengthMillis = 1000; // default is 1 second tick
- long totalElapsedMillis;
+ long nominalTickLengthMillis = 1000; // default is 1 second tick
+ long tickStartTimeMillis;
+ long tickEndTimeMillis;
+
+ long eventsInTick;
+ long bytesInTick;
+
+ long elapsedMillis;
long startTimeMillis;
long stopTimeMillis;
- long eventsSinceTick;
- long bytesSinceTick;
+
long totalEvents;
long totalBytes;
- long tickStartMillis;
+
static final long Kb = 1 * 1024;
static final long Mb = Kb * 1024;
static final double milliToSecond = 0.001;
static final DecimalFormat decimalFormat = new DecimalFormat("#.####");
Timer timer;
+ List<SystemStatisticsListener> listeners = new ArrayList<SystemStatisticsListener>();
+
@Override
public void update(int size) {
addEvent();
@@ -35,18 +44,18 @@
}
@Override
- public void setTickLengthMillis(long tickLengthMillis) {
- this.tickLengthMillis = tickLengthMillis;
- }
-
- @Override
- public long getTickLengthMillis() {
- return tickLengthMillis;
- }
-
- @Override
- public long getTotalElapsedMillis() {
- return totalElapsedMillis;
+ public void setNominalTickLengthMillis(long tickLengthMillis) {
+ this.nominalTickLengthMillis = tickLengthMillis;
+ }
+
+ @Override
+ public long getNominalTickLengthMillis() {
+ return nominalTickLengthMillis;
+ }
+
+ @Override
+ public long getElapsedMillis() {
+ return System.currentTimeMillis() - startTimeMillis;
}
@Override
@@ -61,7 +70,12 @@
@Override
public long getTickElapsedMillis() {
- return System.currentTimeMillis() - tickStartMillis;
+ return System.currentTimeMillis() - tickStartTimeMillis;
+ }
+
+ @Override
+ public long getTickEndTimeMillis() {
+ return tickEndTimeMillis;
}
/**
@@ -70,7 +84,7 @@
@Override
public long getEventsReceived() {
- return eventsSinceTick;
+ return eventsInTick;
}
@Override
@@ -80,8 +94,8 @@
@Override
public double getEventsPerSecond() {
- if (eventsSinceTick > 0 && getTickElapsedMillis() > 0) {
- return (double) eventsSinceTick / millisToSeconds(getTickElapsedMillis());
+ if (eventsInTick > 0 && getTickElapsedMillis() > 0) {
+ return (double) eventsInTick / millisToSeconds(getTickElapsedMillis());
} else {
return 0.;
}
@@ -90,7 +104,7 @@
@Override
public double getAverageEventsPerSecond() {
try {
- return Double.parseDouble(decimalFormat.format(totalEvents / millisToSeconds(getTotalElapsedMillis())));
+ return Double.parseDouble(decimalFormat.format(totalEvents / millisToSeconds(getElapsedMillis())));
} catch (NumberFormatException e) {
return 0;
}
@@ -102,7 +116,7 @@
@Override
public long getBytesReceived() {
- return bytesSinceTick;
+ return bytesInTick;
}
@Override
@@ -113,7 +127,7 @@
@Override
public double getAverageMegabytesPerSecond() {
try {
- return Double.parseDouble(decimalFormat.format(bytesToMb(totalBytes) / millisToSeconds(getTotalElapsedMillis())));
+ return Double.parseDouble(decimalFormat.format(bytesToMb(totalBytes) / millisToSeconds(getElapsedMillis())));
} catch (NumberFormatException e) {
return Double.NaN;
}
@@ -121,28 +135,59 @@
@Override
public double getBytesPerSecond() {
- if (bytesSinceTick > 0 && getTickElapsedMillis() > 0)
- return (double) bytesSinceTick / millisToSeconds(getTickElapsedMillis());
+ if (bytesInTick > 0 && getTickElapsedMillis() > 0)
+ return (double) bytesInTick / millisToSeconds(getTickElapsedMillis());
else
return 0.;
}
-
+
+ @Override
+ public double getMegabytesPerSecond() {
+ double bytes = getBytesPerSecond();
+ if (bytes > 0) {
+ return bytesToMb(bytes);
+ } else {
+ return 0;
+ }
+ }
+
@Override
public void start() {
// Set session start time variables.
long currentTimeMillis = System.currentTimeMillis();
startTimeMillis = currentTimeMillis;
- tickStartMillis = currentTimeMillis;
-
+ tickStartTimeMillis = currentTimeMillis;
+
+ // Notify listeners of start.
+ for (SystemStatisticsListener listener : listeners) {
+ listener.started(this);
+ }
+
// Start timer task which executes at the nominal tick length to calculate statistics periodically.
TimerTask task = new TimerTask() {
public void run() {
+
+ // End the current tick.
+ endTick();
+
+ // Start the new tick.
nextTick();
}
};
timer = new Timer();
- timer.schedule(task, 0, tickLengthMillis);
+ timer.schedule(task, 0, nominalTickLengthMillis);
+ }
+
+ void endTick() {
+
+ // Set absolute end time of current tick.
+ this.tickEndTimeMillis = System.currentTimeMillis();
+
+ // Activate listeners.
+ for (SystemStatisticsListener listener : listeners) {
+ listener.endTick(this);
+ }
}
@Override
@@ -155,12 +200,21 @@
// Set stop time.
stopTimeMillis = System.currentTimeMillis();
- }
-
+
+ // Notify listeners of stop.
+ for (SystemStatisticsListener listener : listeners) {
+ listener.stopped(this);
+ }
+ }
+
+ public void addSystemStatisticsListener(SystemStatisticsListener listener) {
+ listeners.add(listener);
+ }
+
@Override
public void printSession(PrintStream ps) {
ps.println("session statistics ...");
- ps.println(" timeElapsedMillis = " + this.getTotalElapsedMillis());
+ ps.println(" timeElapsedMillis = " + this.getElapsedMillis());
ps.println(" cumulativeEvents = " + this.getTotalEvents());
ps.println(" averageEventsPerSecond = " + this.getAverageEventsPerSecond());
ps.println(" averageMegaBytesPerSecond = " + this.getAverageMegabytesPerSecond());
@@ -176,37 +230,42 @@
}
void addEvent() {
- eventsSinceTick += 1;
+ eventsInTick += 1;
totalEvents += 1;
}
void addData(int size) {
- bytesSinceTick += size;
+ bytesInTick += size;
totalBytes += size;
}
void updateElapsedTime() {
- totalElapsedMillis = System.currentTimeMillis() - startTimeMillis;
+ elapsedMillis = System.currentTimeMillis() - startTimeMillis;
}
// Bytes to megabytes to 2 decimal places.
static final double bytesToMb(long size) {
return Double.parseDouble(decimalFormat.format((double) size / Mb));
}
+
+ // Bytes to megabytes to 2 decimal places.
+ static final double bytesToMb(double size) {
+ return Double.parseDouble(decimalFormat.format(size / Mb));
+ }
static final double millisToSeconds(long millis) {
return ((double) millis) / 1000.;
}
synchronized void nextTick() {
- eventsSinceTick = 0;
- bytesSinceTick = 0;
- tickStartMillis = System.currentTimeMillis();
+ eventsInTick = 0;
+ bytesInTick = 0;
+ tickStartTimeMillis = System.currentTimeMillis();
}
public abstract class SystemStatisticsProvider implements ValueProvider {
}
-
+
public class AverageEventsPerSecondProvider extends SystemStatisticsProvider {
@Override
Modified: java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/et/EtSystemStripCharts.java
=============================================================================
--- java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/et/EtSystemStripCharts.java (original)
+++ java/trunk/monitoring-util/src/main/java/org/hps/monitoring/subsys/et/EtSystemStripCharts.java Mon Mar 16 14:42:56 2015
@@ -1,27 +1,53 @@
+/**
+ *
+ */
package org.hps.monitoring.subsys.et;
import java.util.ArrayList;
+import java.util.Date;
import java.util.List;
import org.hps.monitoring.plotting.MonitoringPlotFactory;
-import org.hps.monitoring.plotting.StripChartUpdater;
+import org.hps.monitoring.subsys.SystemStatistics;
import org.hps.monitoring.subsys.SystemStatisticsImpl;
+import org.hps.monitoring.subsys.SystemStatisticsListener;
import org.hps.record.et.EtEventProcessor;
+import org.jfree.chart.JFreeChart;
import org.jfree.data.time.Second;
+import org.jfree.data.time.TimeSeriesCollection;
import org.jlab.coda.et.EtEvent;
import org.lcsim.util.aida.AIDA;
/**
- * A basic set of strip charts for monitoring the ET system.
+ * This will show a series of strip charts from ET system performance statistics
+ * such as event and data rates.
+ *
+ * @author Jeremy McCormick <[log in to unmask]>
*/
-public final class EtSystemStripCharts extends EtEventProcessor {
+public class EtSystemStripCharts extends EtEventProcessor implements SystemStatisticsListener {
+ // The system statistics.
SystemStatisticsImpl stats = new SystemStatisticsImpl();
- MonitoringPlotFactory plotFactory = (MonitoringPlotFactory) AIDA.defaultInstance().analysisFactory().createPlotterFactory("ET System Monitoring");
- List<StripChartUpdater> updaters = new ArrayList<StripChartUpdater>();
- public EtSystemStripCharts() {
- stats.setTickLengthMillis(1000);
+ // Plotting API.
+ MonitoringPlotFactory plotFactory =
+ (MonitoringPlotFactory) AIDA.defaultInstance().analysisFactory().createPlotterFactory("ET System Monitoring");
+
+ // List of charts.
+ List<JFreeChart> charts = new ArrayList<JFreeChart>();
+
+ // Range size in milliseconds.
+ static final double RANGE_SIZE = 200000;
+
+ // Chart collection indices.
+ static final int DATA_RATE_COLLECTION_INDEX = 0;
+ static final int TOTAL_DATA_COLLECTION_INDEX = 1;
+ static final int EVENT_RATE_COLLECTION_INDEX = 2;
+ static final int TOTAL_EVENTS_COLLECTION_INDEX = 3;
+
+ public EtSystemStripCharts() {
+ // Set 2 seconds between statistics updates.
+ stats.setNominalTickLengthMillis(1000);
}
/**
@@ -29,57 +55,37 @@
*/
@Override
public void startJob() {
-
- // Create the ET system strip charts.
- createStripCharts();
+
+ System.out.println("EtSystemStripChartsNew.startJob");
+
+ // Register this class as a listener to activate update at end of statistics clock tick.
+ stats.addSystemStatisticsListener(this);
// Start systems statistics task.
stats.start();
}
/**
- *
+ * Create the strip charts for plotting the basic ET system statistics.
*/
private void createStripCharts() {
- updaters.add(plotFactory.createStripChart(
- "Data Rate",
- "MB / second",
- 1,
- new String[] { "Data" },
- 999,
- new Second(),
- stats.new MegabytesPerSecondProvider(),
- 200000L));
+
+ System.out.println("EtSystemStripChartsNew.createStripCharts");
- updaters.add(plotFactory.createStripChart(
- "Total Data",
- "Megabytes",
- 1,
- new String[] { "Data" },
- 999,
- new Second(),
- stats.new TotalMegabytesProvider(),
- 200000L));
+ // Data rate in megabytes per second.
+ // TODO: Add to same chart the average MB / second.
+ charts.add(plotFactory.createTimeSeriesChart("Data Rate", "MB / second", 1, null, RANGE_SIZE));
+
+ // Total megabytes received.
+ charts.add(plotFactory.createTimeSeriesChart("Total Data", "Megabytes", 1, null, RANGE_SIZE));
- updaters.add(plotFactory.createStripChart(
- "Event Rate",
- "Events / s",
- 1,
- new String[] { "Data" },
- 999,
- new Second(),
- stats.new EventsPerSecondProvider(),
- 200000L));
+ // Event rate in hertz.
+ // TODO: Add to same chart the average event rate.
+ charts.add(plotFactory.createTimeSeriesChart("Event Rate", "Hz", 1, null, RANGE_SIZE));
- updaters.add(plotFactory.createStripChart(
- "Total Events",
- "Number of Events",
- 1,
- new String[] { "Data" },
- 999,
- new Second(),
- stats.new TotalEventsProvider(),
- 200000L));
+ // Total number of events received.
+ charts.add(plotFactory.createTimeSeriesChart("Total Events", "Number of Events", 1, null, RANGE_SIZE));
+
}
@Override
@@ -88,13 +94,39 @@
}
public void endJob() {
-
- // Stop the strip chart updaters.
- for (StripChartUpdater updater : updaters) {
- updater.stop();
- }
-
// Stop system statistics task.
stats.stop();
}
-}
+
+ TimeSeriesCollection getTimeSeriesCollection(int chartIndex) {
+ return (TimeSeriesCollection) charts.get(chartIndex).getXYPlot().getDataset();
+ }
+
+ /**
+ * Hook for updating the charts at end of statistics clock tick.
+ * @param stats The statistics with the system information.
+ */
+ @Override
+ public void endTick(SystemStatistics stats) {
+
+ Date now = new Date(stats.getTickEndTimeMillis());
+
+ getTimeSeriesCollection(DATA_RATE_COLLECTION_INDEX).getSeries(0).addOrUpdate(
+ new Second(now), stats.getBytesPerSecond() / 1000000);
+ getTimeSeriesCollection(TOTAL_DATA_COLLECTION_INDEX).getSeries(0).addOrUpdate(
+ new Second(now), stats.getTotalMegabytes());
+ getTimeSeriesCollection(EVENT_RATE_COLLECTION_INDEX).getSeries(0).addOrUpdate(
+ new Second(now), stats.getEventsPerSecond());
+ getTimeSeriesCollection(TOTAL_EVENTS_COLLECTION_INDEX).getSeries(0).addOrUpdate(
+ new Second(now), stats.getTotalEvents());
+ }
+
+ @Override
+ public void started(SystemStatistics stats) {
+ createStripCharts();
+ }
+
+ @Override
+ public void stopped(SystemStatistics stats) {
+ }
+}
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