127 lines
4.9 KiB
Java
127 lines
4.9 KiB
Java
/*
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* Copyright (c) 2015, 2020, 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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/*
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* Results of running the JstatGcTool ("jstat -gc <pid>")
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*
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* Output example:
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* S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT CGC CGCT GCT
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* 0.0 2048.0 0.0 1079.5 4096.0 0.0 2048.0 0.0 7680.0 7378.6 768.0 664.7 4 0.140 0 0.000 0 0.000 0.140
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*
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* Output description:
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* S0C Current survivor space 0 capacity (KB).
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* S1C Current survivor space 1 capacity (KB).
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* S0U Survivor space 0 utilization (KB).
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* S1U Survivor space 1 utilization (KB).
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* EC Current eden space capacity (KB).
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* EU Eden space utilization (KB).
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* OC Current old space capacity (KB).
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* OU Old space utilization (KB).
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* MC Current metaspace capacity (KB).
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* MU Metaspace utilization (KB).
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* CCSC Compressed Class Space capacity
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* CCSU Compressed Class Space utilization
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* YGC Number of young generation GC Events.
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* YGCT Young generation garbage collection time.
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* FGC Number of full GC events.
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* FGCT Full garbage collection time.
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* CGC Concurrent Collections (STW phase)
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* CGCT Concurrent Garbage Collection Time (STW phase)
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* GCT Total garbage collection time.
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*
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*/
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package utils;
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import common.ToolResults;
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public class JstatGcResults extends JstatResults {
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public JstatGcResults(ToolResults rawResults) {
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super(rawResults);
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}
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/**
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* Checks the overall consistency of the results reported by the tool
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*/
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@Override
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public void assertConsistency() {
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assertThat(getExitCode() == 0, "Unexpected exit code: " + getExitCode());
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float OC = getFloatValue("OC");
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float OU = getFloatValue("OU");
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assertThat(OU <= OC, "OU > OC (utilization > capacity)");
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float MC = getFloatValue("MC");
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float MU = getFloatValue("MU");
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assertThat(MU <= MC, "MU > MC (utilization > capacity)");
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float CCSC = getFloatValue("CCSC");
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float CCSU = getFloatValue("CCSU");
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assertThat(CCSU <= CCSC, "CCSU > CCSC (utilization > capacity)");
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float S0C = getFloatValue("S0C");
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float S0U = getFloatValue("S0U");
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assertThat(S0U <= S0C, "S0U > S0C (utilization > capacity)");
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float S1C = getFloatValue("S1C");
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float S1U = getFloatValue("S1U");
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assertThat(S1U <= S1C, "S1U > S1C (utilization > capacity)");
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float EC = getFloatValue("EC");
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float EU = getFloatValue("EU");
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assertThat(EU <= EC, "EU > EC (utilization > capacity)");
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int YGC = getIntValue("YGC");
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float YGCT = getFloatValue("YGCT");
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assertThat(YGCT >= 0, "Incorrect time value for YGCT");
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float GCT = getFloatValue("GCT");
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assertThat(GCT >= 0, "Incorrect time value for GCT");
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assertThat(GCT >= YGCT, "GCT < YGCT (total garbage collection time < young generation garbage collection time)");
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int CGC = 0;
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float CGCT = 0.0f;
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try {
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CGC = getIntValue("CGC");
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} catch (NumberFormatException e) {
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if (!e.getMessage().equals("Unparseable number: \"-\"")) {
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throw e;
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}
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}
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if (CGC > 0) {
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CGCT = getFloatValue("CGCT");
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assertThat(CGCT >= 0, "Incorrect time value for CGCT");
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}
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int FGC = getIntValue("FGC");
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float FGCT = getFloatValue("FGCT");
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assertThat(FGCT >= 0, "Incorrect time value for FGCT");
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assertThat(GCT >= FGCT, "GCT < YGCT (total garbage collection time < full generation garbage collection time)");
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assertThat(checkFloatIsSum(GCT, YGCT, CGCT, FGCT), "GCT != (YGCT + CGCT + FGCT) " + "(GCT = " + GCT + ", YGCT = " + YGCT
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+ ", CGCT = " + CGCT + ", FGCT = " + FGCT + ", (YCGT + CGCT + FGCT) = " + (YGCT + CGCT + FGCT) + ")");
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}
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}
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