| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.ode.jacob.vpu; |
| |
| import java.io.PrintStream; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Statistics for the Jacob VPU. |
| * |
| * @author Maciej Szefler <a href="mailto:mbs@fivesight.com">mbs</a> |
| */ |
| public class Statistics { |
| /** Number of VPU cycles. */ |
| public long numCycles; |
| |
| /** Total VPU run time (in ms). */ |
| public long totalRunTimeMs; |
| |
| /** Number of channels created. */ |
| public long channelsCreated; |
| |
| /** Number of messages sent. */ |
| public long messagesSent; |
| |
| /** Number of messsages received. */ |
| public long messagesRcvd; |
| |
| /** Number of continuations. */ |
| public long numContinuations; |
| |
| /** Total size of all _continuation (in bytes). */ |
| public long totalContinuationBytes; |
| |
| /** Number of enqueues to the run queue. */ |
| public long runQueueEntries; |
| |
| /** Total number of communication reductions. */ |
| public long numReductionsComm; |
| |
| /** Total number of structural reductions. */ |
| public long numReductionsStruct; |
| |
| /** Total time spent in client code (in ms). */ |
| public long totalClientTimeMs; |
| |
| /** |
| * Total time spent in each {@link org.apache.ode.jacob.JavaMethodBody} method. |
| */ |
| public final Map<String, PerTargetStatistics> byTarget = new HashMap<String, PerTargetStatistics>(); |
| |
| /** |
| * DOCUMENTME |
| * |
| * @return DOCUMENTME |
| */ |
| public double getAvgClientTimeMs() { |
| return (double)totalClientTimeMs / (double)numCycles; |
| } |
| |
| /** |
| * DOCUMENTME |
| * |
| * @return DOCUMENTME |
| */ |
| public double getAvgContinuationSize() { |
| return (double)totalContinuationBytes / (double)numContinuations; |
| } |
| |
| /** |
| * DOCUMENTME |
| * |
| * @return DOCUMENTME |
| */ |
| public double getAvgKernelTimeMs() { |
| return (double)getKernelTimeMs() / (double)numCycles; |
| } |
| |
| /** |
| * DOCUMENTME |
| * |
| * @return DOCUMENTME |
| */ |
| public double getAvgRunTimeMs() { |
| return (double)totalRunTimeMs / (double)numCycles; |
| } |
| |
| /** |
| * DOCUMENTME |
| * |
| * @return DOCUMENTME |
| */ |
| public long getKernelTimeMs() { |
| return totalRunTimeMs - totalClientTimeMs; |
| } |
| |
| /** |
| * DOCUMENTME |
| * |
| * @param target DOCUMENTME |
| * @param runTimeMs DOCUMENTME |
| */ |
| public void incRunTime(String target, long runTimeMs) { |
| PerTargetStatistics pts = target(target); |
| ++pts.invocations; |
| pts.totalRunTimeMs += runTimeMs; |
| pts.minRunTimeMs = Math.min(pts.minRunTimeMs, runTimeMs); |
| pts.maxRunTimeMs = Math.max(pts.maxRunTimeMs, runTimeMs); |
| } |
| |
| /** |
| * Print the statistics to an output stream in english human-readable form. |
| * |
| * @param ps destination |
| */ |
| public void printToStream(PrintStream ps) { |
| ps.println("JACOB VPU Statistics:"); |
| |
| Field[] fields = getClass().getFields(); |
| |
| for (int i = 0; i < fields.length; ++i) { |
| ps.print(fields[i].getName()); |
| ps.print(" = "); |
| |
| try { |
| ps.println(fields[i].get(this)); |
| } |
| catch (Exception ex) { |
| ps.println(ex.toString()); |
| } |
| } |
| |
| Method[] meth = getClass().getMethods(); |
| |
| for (int i = 0; i < meth.length; ++i) { |
| if (meth[i].getName().startsWith("get") && (meth[i].getParameterTypes().length == 0)) { |
| ps.print(meth[i].getName().substring(3)); |
| ps.print(" = "); |
| |
| try { |
| ps.println(meth[i].invoke(this, (Object[])null)); |
| } |
| catch (Exception ex) { |
| ps.println(ex.toString()); |
| } |
| } |
| } |
| } |
| |
| private PerTargetStatistics target(String target) { |
| PerTargetStatistics pts = byTarget.get(target); |
| |
| if (pts == null) { |
| pts = new PerTargetStatistics(); |
| byTarget.put(target, pts); |
| } |
| |
| return pts; |
| } |
| |
| public static final class PerTargetStatistics { |
| public long invocations; |
| public long totalRunTimeMs; |
| public long minRunTimeMs = Long.MAX_VALUE; |
| public long maxRunTimeMs = Long.MIN_VALUE; |
| |
| public double getAvgRunTimePerInvocation() { |
| return (double)totalRunTimeMs / (double)invocations; |
| } |
| |
| public String toString() { |
| return "(n=" + invocations + ", total=" + totalRunTimeMs + "ms, avg=" |
| + getAvgRunTimePerInvocation() + "ms, min=" + minRunTimeMs |
| + "ms, max=" + maxRunTimeMs + "ms)"; |
| } |
| } |
| } |