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60 lines
2.1 KiB
Java
60 lines
2.1 KiB
Java
/*
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* Copyright (c) 2025, 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.TmTool;
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/**
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* Common base class for Jstat tools.
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*/
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public class JstatTool<T extends JstatResults> extends TmTool<T> {
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private static final int TRIES = 3;
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public JstatTool(Class<T> resultsClz, String toolName, String otherArgs) {
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super(resultsClz, toolName, otherArgs);
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}
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/**
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* Measure, and call assertConsistency() on the results,
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* tolerating a set number of failures to account for inconsistencies in PerfData.
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*/
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public T measureAndAssertConsistency() throws Exception {
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T results = null;
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for (int i = 1; i <= TRIES; i++) {
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try {
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results = measure();
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results.assertConsistency();
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} catch (RuntimeException e) {
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System.out.println("Attempt " + i + ": " + e);
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if (i == TRIES) {
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System.out.println("Too many failures.");
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throw(e);
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}
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// Will retry.
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}
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}
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return results;
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}
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}
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