jdk/test/hotspot/jtreg/runtime/ErrorHandling/PrintVMInfoAtExitTest.java

70 lines
2.8 KiB
Java

/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2025, Red Hat Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
/*
* @test
* @summary Test PrintVMInfoAtExit
* @library /test/lib
* @requires vm.flagless
* @requires vm.bits == "64"
* @run driver PrintVMInfoAtExitTest
*/
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class PrintVMInfoAtExitTest {
public static void main(String[] args) throws Exception {
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
"-Xmx64M", "-Xms64M",
"-XX:-CreateCoredumpOnCrash",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+PrintVMInfoAtExit",
"-XX:NativeMemoryTracking=summary",
"-XX:CompressedClassSpaceSize=256m",
"-version");
// How many kb of committed memory we expect in the NMT summary.
int committed_kb = 65536;
OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
output_detail.shouldContain("# JRE version:");
output_detail.shouldContain("-- S U M M A R Y --");
output_detail.shouldContain("Command Line: -Xmx64M -Xms64M -XX:-CreateCoredumpOnCrash -XX:+UnlockDiagnosticVMOptions -XX:+PrintVMInfoAtExit -XX:NativeMemoryTracking=summary -XX:CompressedClassSpaceSize=256m");
output_detail.shouldContain("Native Memory Tracking:");
// Make sure the heap summary is present.
output_detail.shouldMatch("Java Heap \\(reserved=[0-9]+KB, committed=" + committed_kb + "KB\\)");
// Check reserved >= committed.
String reserved_kb_string = output_detail.firstMatch("Java Heap \\(reserved=([0-9]+)KB, committed=" + committed_kb + "KB\\)", 1);
int reserved_kb = Integer.parseInt(reserved_kb_string);
if (reserved_kb < committed_kb) {
throw new RuntimeException("committed more memory than reserved");
}
}
}