| /* |
| * Copyright (c) 2015, 2017, 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. |
| */ |
| |
| /* |
| * Results of running the JstatGcTool ("jstat -gc <pid>") |
| * |
| * Output example: |
| * (S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT GCT |
| * 512.0 512.0 32.0 0.0 288768.0 168160.6 83968.0 288.1 4864.0 2820.3 512.0 279.7 18510 1559.208 0 0.000 1559.208 |
| * |
| * Output description: |
| * S0C Current survivor space 0 capacity (KB). |
| * S1C Current survivor space 1 capacity (KB). |
| * S0U Survivor space 0 utilization (KB). |
| * S1U Survivor space 1 utilization (KB). |
| * EC Current eden space capacity (KB). |
| * EU Eden space utilization (KB). |
| * OC Current old space capacity (KB). |
| * OU Old space utilization (KB). |
| * MC Current metaspace capacity (KB). |
| * MU Metaspace utilization (KB). |
| * CCSC Compressed Class Space capacity |
| * CCSU Compressed Class Space utilization |
| * YGC Number of young generation GC Events. |
| * YGCT Young generation garbage collection time. |
| * FGC Number of full GC events. |
| * FGCT Full garbage collection time. |
| * GCT Total garbage collection time. |
| * |
| */ |
| package utils; |
| |
| import common.ToolResults; |
| |
| public class JstatGcResults extends JstatResults { |
| |
| public JstatGcResults(ToolResults rawResults) { |
| super(rawResults); |
| } |
| |
| /** |
| * Checks the overall consistency of the results reported by the tool |
| */ |
| @Override |
| public void assertConsistency() { |
| |
| assertThat(getExitCode() == 0, "Unexpected exit code: " + getExitCode()); |
| |
| float OC = getFloatValue("OC"); |
| float OU = getFloatValue("OU"); |
| assertThat(OU <= OC, "OU > OC (utilization > capacity)"); |
| |
| float MC = getFloatValue("MC"); |
| float MU = getFloatValue("MU"); |
| assertThat(MU <= MC, "MU > MC (utilization > capacity)"); |
| |
| float CCSC = getFloatValue("CCSC"); |
| float CCSU = getFloatValue("CCSU"); |
| assertThat(CCSU <= CCSC, "CCSU > CCSC (utilization > capacity)"); |
| |
| float S0C = getFloatValue("S0C"); |
| float S0U = getFloatValue("S0U"); |
| assertThat(S0U <= S0C, "S0U > S0C (utilization > capacity)"); |
| |
| float S1C = getFloatValue("S1C"); |
| float S1U = getFloatValue("S1U"); |
| assertThat(S1U <= S1C, "S1U > S1C (utilization > capacity)"); |
| |
| float EC = getFloatValue("EC"); |
| float EU = getFloatValue("EU"); |
| assertThat(EU <= EC, "EU > EC (utilization > capacity)"); |
| |
| int YGC = getIntValue("YGC"); |
| float YGCT = getFloatValue("YGCT"); |
| assertThat(YGCT >= 0, "Incorrect time value for YGCT"); |
| if (YGC > 0) { |
| assertThat(YGCT > 0, "Number of young generation GC Events is " + YGC + ", but YGCT is 0"); |
| } |
| |
| float GCT = getFloatValue("GCT"); |
| assertThat(GCT >= 0, "Incorrect time value for GCT"); |
| assertThat(GCT >= YGCT, "GCT < YGCT (total garbage collection time < young generation garbage collection time)"); |
| |
| int FGC = getIntValue("FGC"); |
| float FGCT = getFloatValue("FGCT"); |
| assertThat(FGCT >= 0, "Incorrect time value for FGCT"); |
| if (FGC > 0) { |
| assertThat(FGCT > 0, "Number of full GC events is " + FGC + ", but FGCT is 0"); |
| } |
| |
| assertThat(GCT >= FGCT, "GCT < YGCT (total garbage collection time < full generation garbage collection time)"); |
| |
| assertThat(checkFloatIsSum(GCT, YGCT, FGCT), "GCT != (YGCT + FGCT) " + "(GCT = " + GCT + ", YGCT = " + YGCT |
| + ", FGCT = " + FGCT + ", (YCGT + FGCT) = " + (YGCT + FGCT) + ")"); |
| } |
| } |