64 lines
3.2 KiB
Java
64 lines
3.2 KiB
Java
/*
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* Copyright (c) 2018, 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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* @test
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*
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* @summary converted from VM Testbase nsk/jvmti/AttachOnDemand/attach045.
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* VM Testbase keywords: [jpda, jvmti, noras, feature_282, vm6, jdk]
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* VM Testbase readme:
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* Description :
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* Test tries to load 4 jvmti agents to the VM after the VM has started using
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* Attach API (com.sun.tools.attach).
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* Test is based on the nsk.share.aod framework. In the terms of this framework
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* java application running in the VM where agent is loaded to is called 'target application'.
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* This is stress test, 4 jvmti agents are loaded to the VM. Agents execute following actions:
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* - agent045Agent00: enables ClassLoad event and from event handler calls GetClassSignature
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* for loaded class
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* - agent045Agent01: enables ClassPrepare event and from event handler calls GetClassSignature
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* for loaded class and also class GetLoadedClasses
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* - agent045Agent02: enables ThreadStart and ThreadEnd events, from event handlers calls GetThreadInfo
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* for started or ended thread, and also calls GetAllThreads
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* - agent045Agent03: enables ThreadStart and ThreadEnd events, from event handlers calls GetThreadInfo
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* for started or ended thread, and also calls GetAllThreads
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* - agent045Agent04: enables VMObjectAlloc event, from event handler calls GetThreadInfo for thread
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* allocating object and calls GetClassSignature for allocated object class. Also after after each 10th event
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* agent calls ForceGarbageCollection
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* When each agent receives expected number of events agent finishes work (all events received by agents are
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* provoked by the target application).
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*
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* @library /vmTestbase
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* /test/lib
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* @build nsk.share.aod.AODTestRunner
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* nsk.jvmti.AttachOnDemand.attach045.attach045Target
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* nsk.jvmti.AttachOnDemand.attach045.ClassToLoad
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* @run main/othervm/native
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* nsk.share.aod.AODTestRunner
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* -jdk ${test.jdk}
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* -target "nsk.jvmti.AttachOnDemand.attach045.attach045Target -classPath ${test.class.path}"
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* -javaOpts="-XX:+UsePerfData ${test.vm.opts} ${test.java.opts}"
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* -na attach045Agent00,attach045Agent01,attach045Agent02,attach045Agent03
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*/
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