/* * This file is part of the Jikes RVM project (http://jikesrvm.org). * * This file is licensed to You under the Eclipse Public License (EPL); * You may not use this file except in compliance with the License. You * may obtain a copy of the License at * * http://www.opensource.org/licenses/eclipse-1.0.php * * See the COPYRIGHT.txt file distributed with this work for information * regarding copyright ownership. */ package org.jikesrvm.adaptive.measurements.instrumentation; import org.jikesrvm.VM; import org.jikesrvm.adaptive.measurements.Reportable; import org.jikesrvm.compilers.opt.InstrumentedEventCounterManager; /** * An extension of StringEventCounterData so that the printing can * be specialized for yieldpoints. Otherwise, the functionality is * identical. */ public final class YieldpointCounterData extends StringEventCounterData implements Reportable { static final boolean DEBUG = false; /** * Constructor * * @param manager the manager that will provide the counter space **/ YieldpointCounterData(InstrumentedEventCounterManager manager) { super(manager, "Yieldpoint Counter"); automaticallyGrowCounters(true); } /** * Called at end when data should dump its contents. */ @Override public void report() { // Turn off future instrumentation so that the data structures do // not change while we are iterating over them Instrumentation.disableInstrumentation(); VM.sysWriteln("Printing " + dataName + ":"); VM.sysWriteln("--------------------------------------------------"); double total = 0; double methodEntryTotal = 0; double backedgeTotal = 0; for (String stringName : stringToCounterMap.keySet()) { Integer counterNum = stringToCounterMap.get(stringName); double count = getCounter(counterNum); VM.sysWriteln(count + " " + stringName); total += count; // If it's a method entry event if (stringName.indexOf("METHOD ENTRY") != -1) { methodEntryTotal += count; } if (stringName.indexOf("BACKEDGE") != -1) { backedgeTotal += count; } } VM.sysWriteln("Total backedges: " + backedgeTotal); VM.sysWriteln("Method Entry Total: " + methodEntryTotal); VM.sysWriteln("Total Yieldpoints: " + total); } }