author | ysuenaga |
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changeset 50190 | 6f548c41a4fc |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package utils; |
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import common.ToolResults; |
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import java.text.NumberFormat; |
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import java.text.ParseException; |
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/** |
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* Results of running the jstat tool Concrete subclasses will detail the jstat |
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* tool options |
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*/ |
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abstract public class JstatResults extends ToolResults { |
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private static final float FLOAT_COMPARISON_TOLERANCE = 0.0011f; |
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public JstatResults(ToolResults rawResults) { |
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super(rawResults); |
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} |
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/** |
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* Gets a string result from the column labeled 'name' |
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* |
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* @param name - name of the column |
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* @return the result |
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*/ |
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public String getStringValue(String name) { |
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int valueNdx = new StringOfValues(getStdoutLine(0)).getIndex(name); |
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return new StringOfValues(getStdoutLine(1)).getValue(valueNdx); |
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} |
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/** |
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* Gets a float result from the column labeled 'name' |
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* |
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* @param name - name of the column |
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* @return the result |
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*/ |
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public float getFloatValue(String name) { |
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int valueNdx = new StringOfValues(getStdoutLine(0)).getIndex(name); |
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// Let the parsing use the current locale format. |
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try { |
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return NumberFormat.getInstance().parse(new StringOfValues(getStdoutLine(1)).getValue(valueNdx)).floatValue(); |
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} catch (ParseException e) { |
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throw new NumberFormatException(e.getMessage()); |
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} |
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} |
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/** |
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* Gets an integer result from the column labeled 'name' |
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* |
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* @param name - name of the column |
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* @return the result |
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*/ |
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public int getIntValue(String name) { |
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int valueNdx = new StringOfValues(getStdoutLine(0)).getIndex(name); |
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try { |
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return NumberFormat.getInstance().parse(new StringOfValues(getStdoutLine(1)).getValue(valueNdx)).intValue(); |
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} catch (ParseException e) { |
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throw new NumberFormatException(e.getMessage()); |
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} |
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} |
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/** |
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* Checks if a column with a given name exists |
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* |
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* @param name - name of the column |
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* @return true if the column exist, false otherwise |
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*/ |
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public boolean valueExists(String name) { |
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return new StringOfValues(getStdoutLine(0)).getIndex(name) != -1; |
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} |
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/** |
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* Helper function to assert the increase of the GC events between 2 |
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* measurements |
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* |
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* @param measurement1 -first measurement |
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* @param measurement2 -first measurement |
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*/ |
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public static void assertGCEventsIncreased(JstatResults measurement1, JstatResults measurement2) { |
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assertThat(measurement2.getFloatValue("YGC") > measurement1.getFloatValue("YGC"), "YGC didn't increase between measurements 1 and 2"); |
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assertThat(measurement2.getFloatValue("FGC") > measurement1.getFloatValue("FGC"), "FGC didn't increase between measurements 2 and 3"); |
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} |
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/** |
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* Helper function to assert the increase of the GC time between 2 |
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* measurements |
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* |
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* @param measurement1 -first measurement |
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* @param measurement2 -second measurement |
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*/ |
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public static void assertGCTimeIncreased(JstatResults measurement1, JstatResults measurement2) { |
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assertThat(measurement2.getFloatValue("YGCT") >= measurement1.getFloatValue("YGCT"), "YGCT time rewinded between measurements 1 and 2"); |
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assertThat(measurement2.getFloatValue("FGCT") >= measurement1.getFloatValue("FGCT"), "FGCT time rewinded between measurements 1 and 2"); |
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assertThat(measurement2.getFloatValue("GCT") >= measurement1.getFloatValue("GCT"), "GCT time rewinded between measurements 1 and 2"); |
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} |
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/** |
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* Helper function to assert the utilization of the space |
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* |
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* @param measurement - measurement results to analyze |
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* @param targetMemoryUsagePercent -assert that not less than this amount of |
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* space has been utilized |
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*/ |
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public static void assertSpaceUtilization(JstatResults measurement, float targetMemoryUsagePercent) { |
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assertSpaceUtilization(measurement, targetMemoryUsagePercent, targetMemoryUsagePercent); |
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} |
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/** |
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* Helper function to assert the utilization of the space |
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* |
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* @param measurement - measurement results to analyze |
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* @param targetMetaspaceUsagePercent -assert that not less than this amount |
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* of metaspace has been utilized |
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* @param targetOldSpaceUsagePercent -assert that not less than this amount |
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* of old space has been utilized |
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*/ |
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public static void assertSpaceUtilization(JstatResults measurement, float targetMetaspaceUsagePercent, |
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float targetOldSpaceUsagePercent) { |
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if (measurement.valueExists("OU")) { |
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float OC = measurement.getFloatValue("OC"); |
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float OU = measurement.getFloatValue("OU"); |
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assertThat((OU / OC) > targetOldSpaceUsagePercent, "Old space utilization should be > " |
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+ (targetOldSpaceUsagePercent * 100) + "%, actually OU / OC = " + (OU / OC)); |
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} |
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if (measurement.valueExists("MU")) { |
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float MC = measurement.getFloatValue("MC"); |
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float MU = measurement.getFloatValue("MU"); |
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assertThat((MU / MC) > targetMetaspaceUsagePercent, "Metaspace utilization should be > " |
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+ (targetMetaspaceUsagePercent * 100) + "%, actually MU / MC = " + (MU / MC)); |
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} |
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if (measurement.valueExists("O")) { |
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float O = measurement.getFloatValue("O"); |
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assertThat(O > targetOldSpaceUsagePercent * 100, "Old space utilization should be > " |
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+ (targetOldSpaceUsagePercent * 100) + "%, actually O = " + O); |
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} |
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if (measurement.valueExists("M")) { |
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float M = measurement.getFloatValue("M"); |
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assertThat(M > targetMetaspaceUsagePercent * 100, "Metaspace utilization should be > " |
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+ (targetMetaspaceUsagePercent * 100) + "%, actually M = " + M); |
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} |
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} |
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public static void assertThat(boolean result, String message) { |
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if (!result) { |
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throw new RuntimeException(message); |
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} |
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} |
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public static boolean checkFloatIsSum(float sum, float... floats) { |
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for (float f : floats) { |
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sum -= f; |
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} |
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return Math.abs(sum) <= FLOAT_COMPARISON_TOLERANCE; |
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} |
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abstract public void assertConsistency(); |
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} |