80 lines
3.1 KiB
Java
80 lines
3.1 KiB
Java
/*
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* Copyright (c) 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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* @test TestConcurrentPhaseControlG1
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* @bug 8169517
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* @requires vm.gc.G1
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* @summary Test of WhiteBox concurrent GC phase control for G1.
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* @key gc
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* @modules java.base
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* @library /test/lib /
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* @build sun.hotspot.WhiteBox
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* @run driver TestConcurrentPhaseControlG1
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*/
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import gc.concurrent_phase_control.CheckControl;
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public class TestConcurrentPhaseControlG1 {
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// Pairs of phase name and regex to match log stringm for stepping through,
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private static final String[][] g1PhaseInfo = {
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// Step through the phases in order.
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{"IDLE", null},
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{"CONCURRENT_CYCLE", "Concurrent Cycle"},
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{"IDLE", null}, // Resume IDLE before testing subphases
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{"CLEAR_CLAIMED_MARKS", "Concurrent Clear Claimed Marks"},
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{"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
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// ^F so not "From Roots", ^R so not "Restart"
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{"CONCURRENT_MARK", "Concurrent Mark [^FR]"},
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{"IDLE", null}, // Resume IDLE before testing subphases
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{"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
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{"BEFORE_REMARK", null},
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{"REMARK", "Pause Remark"},
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{"CREATE_LIVE_DATA", "Concurrent Create Live Data"},
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// "COMPLETE_CLEANUP", -- optional phase, not reached by this test
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{"CLEANUP_FOR_NEXT_MARK", "Concurrent Cleanup for Next Mark"},
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// Clear request
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{"IDLE", null},
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{"ANY", null},
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// Request a phase.
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{"MARK_FROM_ROOTS", "Concurrent Mark From Roots"},
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// Request an earlier phase, to ensure loop rather than stuck at idle.
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{"SCAN_ROOT_REGIONS", "Concurrent Scan Root Regions"},
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// Clear request, to unblock service.
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{"IDLE", null},
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{"ANY", null},
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};
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private static final String[] g1Options =
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new String[]{"-XX:+UseG1GC", "-Xlog:gc,gc+marking"};
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private static final String g1Name = "G1";
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public static void main(String[] args) throws Exception {
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CheckControl.check(g1Name, g1Options, g1PhaseInfo);
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}
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}
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