| /* |
| * Copyright (c) 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 org.graalvm.compiler.hotspot.replacements; |
| |
| import org.graalvm.compiler.hotspot.replacements.NewObjectSnippets.ProfileContext; |
| import org.graalvm.compiler.options.EnumOptionKey; |
| import org.graalvm.compiler.options.Option; |
| import org.graalvm.compiler.options.OptionType; |
| import org.graalvm.compiler.options.OptionKey; |
| |
| /** |
| * Options related to HotSpot snippets in this package. |
| * |
| * Note: This must be a top level class to work around for |
| * <a href="https://bugs.eclipse.org/bugs/show_bug.cgi?id=477597">Eclipse bug 477597</a>. |
| */ |
| public class HotspotSnippetsOptions { |
| |
| // @formatter:off |
| @Option(help = "If the probability that a type check will hit one the profiled types (up to " + |
| "TypeCheckMaxHints) is below this value, the type check will be compiled without profiling info", type = OptionType.Expert) |
| public static final OptionKey<Double> TypeCheckMinProfileHitProbability = new OptionKey<>(0.5); |
| |
| @Option(help = "The maximum number of profiled types that will be used when compiling a profiled type check. " + |
| "Note that TypeCheckMinProfileHitProbability also influences whether profiling info is used in compiled type checks.", type = OptionType.Expert) |
| public static final OptionKey<Integer> TypeCheckMaxHints = new OptionKey<>(2); |
| |
| @Option(help = "Use a VM runtime call to load and clear the exception object from the thread at the start of a compiled exception handler.", type = OptionType.Debug) |
| public static final OptionKey<Boolean> LoadExceptionObjectInVM = new OptionKey<>(false); |
| |
| @Option(help = "Enable profiling of allocation sites.", type = OptionType.Debug) |
| public static final OptionKey<Boolean> ProfileAllocations = new OptionKey<>(false); |
| |
| @Option(help = "file:doc-files/ProfileAllocationsContextHelp.txt", type = OptionType.Debug) |
| public static final EnumOptionKey<ProfileContext> ProfileAllocationsContext = new EnumOptionKey<>(ProfileContext.AllocatingMethod); |
| |
| @Option(help = "Enable profiling of monitor operations.", type = OptionType.Debug) |
| public static final OptionKey<Boolean> ProfileMonitors = new OptionKey<>(false); |
| |
| @Option(help = "Handle simple cases for inflated monitors in the fast-path.", type = OptionType.Expert) |
| public static final OptionKey<Boolean> SimpleFastInflatedLocking = new OptionKey<>(true); |
| |
| @Option(help = "Trace monitor operations on objects whose type contains this substring.", type = OptionType.Debug) |
| public static final OptionKey<String> TraceMonitorsTypeFilter = new OptionKey<>(null); |
| |
| @Option(help = "Trace monitor operations in methods whose fully qualified name contains this substring.", type = OptionType.Debug) |
| public static final OptionKey<String> TraceMonitorsMethodFilter = new OptionKey<>(null); |
| |
| @Option(help = "Emit extra code to dynamically check monitor operations are balanced.", type = OptionType.Debug) |
| public static final OptionKey<Boolean> VerifyBalancedMonitors = new OptionKey<>(false); |
| //@formatter:on |
| } |