test/gc/TestG1ZeroPGCTJcmdThreadPrint.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /* @test TestG1ZeroPGCTJcmdThreadPrint
aoqi@0 25 * @key gc
aoqi@0 26 * @bug 8005875
aoqi@0 27 * @summary Use jcmd to generate a thread dump of a Java program being run with PGCT=0 to verify 8005875
aoqi@0 28 * @library /testlibrary
aoqi@0 29 * @run main/othervm -XX:+UseG1GC -XX:ParallelGCThreads=0 -XX:+IgnoreUnrecognizedVMOptions TestG1ZeroPGCTJcmdThreadPrint
aoqi@0 30 */
aoqi@0 31
aoqi@0 32 import com.oracle.java.testlibrary.*;
aoqi@0 33
aoqi@0 34 public class TestG1ZeroPGCTJcmdThreadPrint {
aoqi@0 35 public static void main(String args[]) throws Exception {
aoqi@0 36
aoqi@0 37 // Grab the pid from the current java process
aoqi@0 38 String pid = Integer.toString(ProcessTools.getProcessId());
aoqi@0 39
aoqi@0 40 // Create a ProcessBuilder
aoqi@0 41 ProcessBuilder pb = new ProcessBuilder();
aoqi@0 42
aoqi@0 43 // Run jcmd <pid> Thread.print
aoqi@0 44 pb.command(JDKToolFinder.getJDKTool("jcmd"), pid, "Thread.print");
aoqi@0 45
aoqi@0 46 OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0 47
aoqi@0 48 // There shouldn't be a work gang for concurrent marking.
aoqi@0 49 output.shouldNotContain("G1 Parallel Marking Threads");
aoqi@0 50
aoqi@0 51 // Make sure we didn't crash
aoqi@0 52 output.shouldHaveExitValue(0);
aoqi@0 53 }
aoqi@0 54 }

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