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