author | mchernov |
Fri, 03 Feb 2017 15:45:57 +0300 | |
changeset 43933 | 85ee551f3948 |
parent 35493 | 863fb33f9940 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2017, 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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/* |
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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 GCT |
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* 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 |
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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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* 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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if (YGC > 0) { |
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assertThat(YGCT > 0, "Number of young generation GC Events is " + YGC + ", but YGCT is 0"); |
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} |
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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 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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if (FGC > 0) { |
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assertThat(FGCT > 0, "Number of full GC events is " + FGC + ", but FGCT is 0"); |
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} |
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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, FGCT), "GCT != (YGCT + FGCT) " + "(GCT = " + GCT + ", YGCT = " + YGCT |
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+ ", FGCT = " + FGCT + ", (YCGT + FGCT) = " + (YGCT + FGCT) + ")"); |
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} |
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} |