net.sf.sessionAnalysis.SessionAnalyzer.java Source code

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Here is the source code for net.sf.sessionAnalysis.SessionAnalyzer.java

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/***************************************************************************
 * Copyright (c) 2016 the WESSBAS project
 *
 * 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 net.sf.sessionAnalysis;

import java.io.IOException;
import java.util.concurrent.TimeUnit;

import org.apache.commons.lang3.ArrayUtils;

/**
 * 
 * @author Andre van Hoorn
 * 
 */
public class SessionAnalyzer {
    static final String INPUT_SESSIONS_DAT_FN = "/mnt/sda1/avh-data/Paper_WorkloadModelExtraction/Journal_Automatic_Generation_of_Load_Tests_and_Performance_Models/evaluation/1200U_50B_25P_25M/kieker-specj-measure_SUT_jmeter-1200-user_50b_25p_25m_720_6_cpu/sessions.dat";
    static final String OUTPUT_DIR = "/mnt/sda1/avh-data/Paper_WorkloadModelExtraction/Journal_Automatic_Generation_of_Load_Tests_and_Performance_Models/evaluation/1200U_50B_25P_25M/kieker-specj-measure_SUT_jmeter-1200-user_50b_25p_25m_720_6_cpu/";

    public static void main(String[] args) throws IOException {

        final SessionDatReader sessionDatReader = new SessionDatReader(INPUT_SESSIONS_DAT_FN);

        final SessionVisitorSessionLengthNumActionsStatistics sessionVisitorSessionLengthStatistics = new SessionVisitorSessionLengthNumActionsStatistics();
        sessionDatReader.registerVisitor(sessionVisitorSessionLengthStatistics);

        final SessionVisitorSessionLengthNanosStatistics sessionVisitorSessionLengthNanosStatistics = new SessionVisitorSessionLengthNanosStatistics();
        sessionDatReader.registerVisitor(sessionVisitorSessionLengthNanosStatistics);

        final SessionVisitorMinMaxTimeStamp sessionVisitorMinMaxTimeStamp = new SessionVisitorMinMaxTimeStamp();
        sessionDatReader.registerVisitor(sessionVisitorMinMaxTimeStamp);

        final SessionVisitorResponseTimes sessionVisitorResponseTimes = new SessionVisitorResponseTimes();
        sessionDatReader.registerVisitor(sessionVisitorResponseTimes);

        final SessionVisitorArrivalAndCompletionRate sessionVisitorArrivalAndCompletionRate = new SessionVisitorArrivalAndCompletionRate(
                1, TimeUnit.MINUTES);
        sessionDatReader.registerVisitor(sessionVisitorArrivalAndCompletionRate);

        SessionVisitorRequestTypeCounter sessionVisitorRequestTypeCounter = new SessionVisitorRequestTypeCounter();
        sessionDatReader.registerVisitor(sessionVisitorRequestTypeCounter);

        final SessionVisitorDistinctSessions sessionVisitorDistinctSessions = new SessionVisitorDistinctSessions();
        sessionDatReader.registerVisitor(sessionVisitorDistinctSessions);

        final SessionVisitorBehaviorMix sessionVisitorBehaviorMix = new SessionVisitorBehaviorMix();
        sessionDatReader.registerVisitor(sessionVisitorBehaviorMix);

        sessionDatReader.read();

        /*
         * Session length histogram. Results can be compared analysis on raw
         * data: cat
         * ../evaluation/SPECjEnterprise-data/kieker-20110929-14382537-
         * UTC-blade3-KIEKER-SPECjEnterprise2010-20-min-excerpt-sessions.dat |
         * awk -F ";" '{print NF-1}' | sort -n | uniq -c | wc -l
         */
        System.out.println(
                "Num sessions: " + sessionVisitorArrivalAndCompletionRate.getCompletionTimestamps().length);
        System.out.println("Num distinct sessions: " + sessionVisitorDistinctSessions.numDistinctSessions());
        System.out
                .println("Length histogram: " + sessionVisitorSessionLengthStatistics.getSessionLengthHistogram());
        sessionVisitorSessionLengthStatistics.writeSessionsOverTime(OUTPUT_DIR);
        //System.out.println("Length vector: " + ArrayUtils.toString(sessionVisitorSessionLengthStatistics.computeLengthVector()));
        System.out.println("Mean length (# user actions): "
                + sessionVisitorSessionLengthStatistics.computeSessionLengthMean());
        System.out.println("Standard dev (# user actions): "
                + sessionVisitorSessionLengthStatistics.computeSessionLengthStdDev());
        sessionVisitorSessionLengthNanosStatistics.writeSessionsOverTime(OUTPUT_DIR);
        System.out.println("Mean length (milliseconds): " + TimeUnit.MILLISECONDS.convert(
                (long) sessionVisitorSessionLengthNanosStatistics.computeSessionLengthMean(),
                TimeUnit.NANOSECONDS));
        System.out.println("Standard dev (milliseconds): " + TimeUnit.MILLISECONDS.convert(
                (long) sessionVisitorSessionLengthNanosStatistics.computeSessionLengthStdDev(),
                TimeUnit.NANOSECONDS));
        System.out.println(
                "Average Session Duration: " + sessionVisitorMinMaxTimeStamp.getAverageSessionTimeLength());
        System.out.println("Timespan (nanos since epoche): " + sessionVisitorMinMaxTimeStamp.getMinTimeStamp()
                + " - " + sessionVisitorMinMaxTimeStamp.getMaxTimeStamp());
        System.out.println("Timespan (local date/time): " + sessionVisitorMinMaxTimeStamp.getMinDateTime() + " - "
                + sessionVisitorMinMaxTimeStamp.getMaxDateTime());
        {
            System.out.println("Arrival rates: "
                    + ArrayUtils.toString(sessionVisitorArrivalAndCompletionRate.getArrivalRates()));
            System.out.println("Session duration rates: "
                    + ArrayUtils.toString(sessionVisitorArrivalAndCompletionRate.getSessionDuration()));
            System.out.println("User action rates: "
                    + ArrayUtils.toString(sessionVisitorArrivalAndCompletionRate.getUserActionRates()));
            System.out.println("Completion rates: "
                    + ArrayUtils.toString(sessionVisitorArrivalAndCompletionRate.getCompletionRates()));
            System.out.println("Max number of sessions per time interval: "
                    + ArrayUtils.toString(sessionVisitorArrivalAndCompletionRate.getMaxNumSessionsPerInterval()));
            sessionVisitorArrivalAndCompletionRate.writeArrivalCompletionRatesAndMaxNumSessions(OUTPUT_DIR);
        }
        {
            //System.out.println("Concurrent number of sessions over time" + sessionVisitorArrivalAndCompletionRate.getNumConcurrentSessionsOverTime());
            sessionVisitorArrivalAndCompletionRate.writeSessionsOverTime(OUTPUT_DIR);
        }
        {
            sessionVisitorRequestTypeCounter.writeCallFrequencies(OUTPUT_DIR);
        }
        {
            sessionVisitorDistinctSessions.writeDistinctSessions(OUTPUT_DIR);
        }
        sessionVisitorResponseTimes.printResponseTimes();
        sessionVisitorBehaviorMix.printRequestTypes();
    }
}