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/*
* Copyright (c) 2014, 2015, Oracle and/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.
*
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.codecache.cli.common;
import jdk.test.lib.Platform;
import jdk.test.lib.cli.CommandLineOptionTest;
import sun.hotspot.code.BlobType;
import java.util.Collections;
import java.util.EnumSet;
import java.util.LinkedList;
import java.util.List;
import java.util.function.Function;
/**
* Code cache related command line option test case consisting of description
* of code heaps used during test case run and additional options that should
* be passed to JVM and runner aimed to perform actual testing based on the
* description.
*/
public class CodeCacheCLITestCase {
private static final Function<CodeCacheOptions, Boolean> ONLY_SEGMENTED
= options -> options.segmented;
private static final Function<CodeCacheOptions, Boolean> SEGMENTED_SERVER
= ONLY_SEGMENTED.andThen(isSegmented -> isSegmented
&& Platform.isServer() && Platform.isTieredSupported());
private static final String USE_INT_MODE = "-Xint";
private static final String SEGMENTED_CODE_CACHE = "SegmentedCodeCache";
private static final String TIERED_COMPILATION = "TieredCompilation";
private static final String TIERED_STOP_AT = "TieredStopAtLevel";
private final Description description;
private final Runner runner;
public CodeCacheCLITestCase(Description description, Runner runner) {
this.description = description;
this.runner = runner;
}
public final void run(CodeCacheOptions options) throws Throwable {
if (description.isApplicable(options)) {
runner.run(description, options);
}
}
public enum CommonDescriptions {
/**
* Verifies that in interpreted mode PrintCodeCache output contains
* only NonNMethod code heap.
*/
INT_MODE(ONLY_SEGMENTED, EnumSet.of(BlobType.NonNMethod), USE_INT_MODE),
/**
* Verifies that with disabled SegmentedCodeCache PrintCodeCache output
* contains only CodeCache's entry.
*/
NON_SEGMENTED(options -> !options.segmented, EnumSet.of(BlobType.All),
CommandLineOptionTest.prepareBooleanFlag(SEGMENTED_CODE_CACHE,
false)),
/**
* Verifies that with disabled tiered compilation and enabled segmented
* code cache PrintCodeCache output does not contain information about
* profiled-nmethods heap and non-segmented CodeCache.
*/
NON_TIERED(ONLY_SEGMENTED,
EnumSet.of(BlobType.NonNMethod, BlobType.MethodNonProfiled),
CommandLineOptionTest.prepareBooleanFlag(TIERED_COMPILATION,
false)),
/**
* Verifies that with TieredStopAtLevel=0 PrintCodeCache output will
* contain information about non-nmethods and non-profiled nmethods
* heaps only.
*/
TIERED_LEVEL_0(SEGMENTED_SERVER,
EnumSet.of(BlobType.NonNMethod, BlobType.MethodNonProfiled),
CommandLineOptionTest.prepareBooleanFlag(TIERED_COMPILATION,
true),
CommandLineOptionTest.prepareNumericFlag(TIERED_STOP_AT, 0)),
/**
* Verifies that with TieredStopAtLevel=1 PrintCodeCache output will
* contain information about non-nmethods and non-profiled nmethods
* heaps only.
*/
TIERED_LEVEL_1(SEGMENTED_SERVER,
EnumSet.of(BlobType.NonNMethod, BlobType.MethodNonProfiled),
CommandLineOptionTest.prepareBooleanFlag(TIERED_COMPILATION,
true),
CommandLineOptionTest.prepareNumericFlag(TIERED_STOP_AT, 1)),
/**
* Verifies that with TieredStopAtLevel=4 PrintCodeCache output will
* contain information about all three code heaps.
*/
TIERED_LEVEL_4(SEGMENTED_SERVER,
EnumSet.complementOf(EnumSet.of(BlobType.All)),
CommandLineOptionTest.prepareBooleanFlag(TIERED_COMPILATION,
true),
CommandLineOptionTest.prepareNumericFlag(TIERED_STOP_AT, 4));
CommonDescriptions(Function<CodeCacheOptions, Boolean> predicate,
EnumSet<BlobType> involvedCodeHeaps,
String... additionalOptions) {
this.description = new Description(predicate,
involvedCodeHeaps, additionalOptions);
}
public final Description description;
}
public static class Description {
public final EnumSet<BlobType> involvedCodeHeaps;
private final String[] testCaseSpecificOptions;
private final Function<CodeCacheOptions, Boolean> predicate;
public Description(Function<CodeCacheOptions, Boolean> predicate,
EnumSet<BlobType> involvedCodeHeaps,
String... testCaseSpecificOptions) {
this.involvedCodeHeaps = involvedCodeHeaps;
this.testCaseSpecificOptions = testCaseSpecificOptions;
this.predicate = predicate;
}
public boolean isApplicable(CodeCacheOptions options) {
return predicate.apply(options);
}
public CodeCacheOptions expectedValues(CodeCacheOptions options) {
return options.mapOptions(involvedCodeHeaps);
}
public String[] getTestOptions(CodeCacheOptions codeCacheOptions,
String... additionalOptions) {
List<String> options = new LinkedList<>();
Collections.addAll(options, testCaseSpecificOptions);
Collections.addAll(options, additionalOptions);
return codeCacheOptions.prepareOptions(
options.toArray(new String[options.size()]));
}
}
public static interface Runner {
public void run(Description testCaseDescription,
CodeCacheOptions options) throws Throwable;
}
}
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