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/*
* Copyright (c) 2020, Red Hat, Inc. All rights reserved.
+ * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
* 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.
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
- /*
- * @test id=passive
+ /**
+ * @test id=satb-adaptive
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
+ * @run main/othervm -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000
+ * -XX:ShenandoahGCMode=satb
* -XX:+ShenandoahDegeneratedGC
- * -Dtarget=10000
+ * -XX:ShenandoahGCHeuristics=adaptive
* TestDynamicSoftMaxHeapSize
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
- * -XX:-ShenandoahDegeneratedGC
- * -Dtarget=10000
- * TestDynamicSoftMaxHeapSize
*/
- /*
- * @test id=aggressive
+ /**
+ * @test id=satb-aggressive
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
- * -Dtarget=1000
+ * @run main/othervm -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000
+ * -XX:ShenandoahGCMode=satb
+ * -XX:+ShenandoahDegeneratedGC
+ * -XX:ShenandoahGCHeuristics=aggressive
* TestDynamicSoftMaxHeapSize
+ *
*/
- /*
- * @test id=adaptive
+ /**
+ * @test id=satb-compact
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=adaptive
- * -Dtarget=10000
+ * @run main/othervm -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000
+ * -XX:ShenandoahGCMode=satb
+ * -XX:+ShenandoahDegeneratedGC
+ * -XX:ShenandoahGCHeuristics=compact
* TestDynamicSoftMaxHeapSize
+ *
*/
- /*
- * @test id=static
+ /**
+ * @test id=satb-static
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=static
- * -Dtarget=10000
+ * @run main/othervm -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000
+ * -XX:ShenandoahGCMode=satb
+ * -XX:+ShenandoahDegeneratedGC
+ * -XX:ShenandoahGCHeuristics=static
* TestDynamicSoftMaxHeapSize
+ *
*/
- /*
- * @test id=compact
+ /**
+ * @test id=passive
* @requires vm.gc.Shenandoah
* @library /test/lib
*
* @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=compact
- * -Dtarget=1000
- * TestDynamicSoftMaxHeapSize
+ * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
+ * -XX:+ShenandoahDegeneratedGC
+ * -Dtarget=10000
+ * TestDynamicSoftMaxHeapSize
+ *
+ * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive
+ * -XX:-ShenandoahDegeneratedGC
+ * -Dtarget=10000
+ * TestDynamicSoftMaxHeapSize
*/
- /*
- * @test id=iu-aggressive
+ /**
+ * @test id=generational
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu -XX:ShenandoahGCHeuristics=aggressive
- * -Dtarget=1000
+ * @run main/othervm -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000
+ * -XX:ShenandoahGCMode=generational
+ * -XX:ShenandoahGCHeuristics=adaptive
* TestDynamicSoftMaxHeapSize
+ *
*/
- /*
- * @test id=iu
+ /**
+ * @test id=generational-softMaxHeapSizeValidation
* @requires vm.gc.Shenandoah
* @library /test/lib
*
- * @run main/othervm -Xms16m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
- * -XX:+UseShenandoahGC -XX:ShenandoahGCMode=iu
- * -Dtarget=10000
+ * @run main/othervm -DvalidateSoftMaxHeap=true
* TestDynamicSoftMaxHeapSize
+ * -Xms100m -Xmx512m -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions
+ * -XX:+UseShenandoahGC -Xlog:gc=info -Dtarget=10000 -DverifySoftMaxHeapValue=true
+ * -XX:ShenandoahGCMode=generational
+ * -XX:ShenandoahGCHeuristics=adaptive
*/
-
- import java.util.Random;
import jdk.test.lib.Utils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.dcmd.PidJcmdExecutor;
+ import java.util.ArrayList;
+ import java.util.Arrays;
+ import java.util.List;
+ import java.util.Random;
+
public class TestDynamicSoftMaxHeapSize {
+ static final int K = 1024;
+ static final int XMS_MB = 100;
+ static final int XMX_MB = 512;
- static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
- static final long STRIDE = 10_000_000;
+ public static void main(String[] args) throws Exception {
+ if ("true".equals(System.getProperty("validateSoftMaxHeap"))) {
+ List<String> flagArgs = new ArrayList<>(Arrays.asList(args));
- static volatile Object sink;
+ int softMaxInMb = Utils.getRandomInstance().nextInt(XMS_MB, XMX_MB);
+ flagArgs.add("-DsoftMaxCapacity=" + softMaxInMb * K * K);
+ flagArgs.add("-Dtest.jdk=" + System.getProperty("test.jdk"));
+ flagArgs.add("-Dcompile.jdk=" + System.getProperty("compile.jdk"));
- public static void main(String[] args) throws Exception {
- long count = TARGET_MB * 1024 * 1024 / 16;
- Random r = Utils.getRandomInstance();
- PidJcmdExecutor jcmd = new PidJcmdExecutor();
-
- for (long c = 0; c < count; c += STRIDE) {
- // Sizes specifically include heaps below Xms and above Xmx to test saturation code.
- jcmd.execute("VM.set_flag SoftMaxHeapSize " + r.nextInt(768*1024*1024), true);
- for (long s = 0; s < STRIDE; s++) {
- sink = new Object();
+ flagArgs.add(SoftMaxWithExpectationTest.class.getName());
+
+ ProcessBuilder genShenPbValidateFlag = ProcessTools.createLimitedTestJavaProcessBuilder(flagArgs);
+ OutputAnalyzer output = new OutputAnalyzer(genShenPbValidateFlag.start());
+ output.shouldHaveExitValue(0);
+ output.shouldContain(String.format("Soft Max Heap Size: %dM -> %dM", XMX_MB, softMaxInMb)); // By default, the soft max heap size is Xmx
+ } else {
+ SoftMaxSetFlagOnlyTest.test();
+ }
+ }
+
+ public static class SoftMaxSetFlagOnlyTest {
+ static final long TARGET_MB = Long.getLong("target", 10_000); // 10 Gb allocation
+ static final long STRIDE = 10_000_000;
+
+ static volatile Object sink;
+
+ public static void test() throws Exception {
+ long count = TARGET_MB * 1024 * 1024 / 16;
+ Random r = Utils.getRandomInstance();
+ PidJcmdExecutor jcmd = new PidJcmdExecutor();
+
+ for (long c = 0; c < count; c += STRIDE) {
+ // Sizes specifically include heaps below Xms and above Xmx to test saturation code.
+ jcmd.execute("VM.set_flag SoftMaxHeapSize " + r.nextInt(768*1024*1024), true);
+ for (long s = 0; s < STRIDE; s++) {
+ sink = new Object();
+ }
+ Thread.sleep(1);
}
- Thread.sleep(1);
}
}
+ public static class SoftMaxWithExpectationTest {
+ static final long TOTAL = 100_000_000;
+
+ static volatile Object sink;
+
+ public static void main(String[] args) throws Exception {
+ int expectedSoftMaxHeapSize = Integer.getInteger("softMaxCapacity", 0);
+ PidJcmdExecutor jcmd = new PidJcmdExecutor();
+ jcmd.execute("VM.set_flag SoftMaxHeapSize " + expectedSoftMaxHeapSize, false);
+
+ for (long s = 0; s < TOTAL; s++) {
+ sink = new Object();
+ }
+ }
+ }
}
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