1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.hotspot.meta;
  24 
  25 import org.graalvm.compiler.hotspot.FingerprintUtil;
  26 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
  27 import org.graalvm.compiler.options.Option;
  28 import org.graalvm.compiler.options.OptionType;
  29 import org.graalvm.compiler.options.OptionValue;
  30 
  31 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  32 import jdk.vm.ci.meta.ResolvedJavaMethod;
  33 
  34 public class HotSpotAOTProfilingPlugin extends HotSpotProfilingPlugin {
  35     public static class Options {
  36         @Option(help = "Do profiling and callbacks to tiered runtime", type = OptionType.User)//
  37         public static final OptionValue<Boolean> TieredAOT = new OptionValue<>(false);
  38         @Option(help = "Invocation notification frequency", type = OptionType.Expert)//
  39         public static final OptionValue<Integer> TierAInvokeNotifyFreqLog = new OptionValue<>(13);
  40         @Option(help = "Inlinee invocation notification frequency (-1 means count, but do not notify)", type = OptionType.Expert)//
  41         public static final OptionValue<Integer> TierAInvokeInlineeNotifyFreqLog = new OptionValue<>(-1);
  42         @Option(help = "Invocation profile probability", type = OptionType.Expert)//
  43         public static final OptionValue<Integer> TierAInvokeProfileProbabilityLog = new OptionValue<>(8);
  44         @Option(help = "Backedge notification frequency", type = OptionType.Expert)//
  45         public static final OptionValue<Integer> TierABackedgeNotifyFreqLog = new OptionValue<>(16);
  46         @Option(help = "Backedge profile probability", type = OptionType.Expert)//
  47         public static final OptionValue<Integer> TierABackedgeProfileProbabilityLog = new OptionValue<>(12);
  48     }
  49 
  50     @Override
  51     public boolean shouldProfile(GraphBuilderContext builder, ResolvedJavaMethod method) {
  52         return super.shouldProfile(builder, method) && FingerprintUtil.getFingerprint(((HotSpotResolvedObjectType) method.getDeclaringClass())) != 0;
  53     }
  54 
  55     @Override
  56     public int invokeNotifyFreqLog() {
  57         return Options.TierAInvokeNotifyFreqLog.getValue();
  58     }
  59 
  60     @Override
  61     public int invokeInlineeNotifyFreqLog() {
  62         return Options.TierAInvokeInlineeNotifyFreqLog.getValue();
  63     }
  64 
  65     @Override
  66     public int invokeProfilePobabilityLog() {
  67         return Options.TierAInvokeProfileProbabilityLog.getValue();
  68     }
  69 
  70     @Override
  71     public int backedgeNotifyFreqLog() {
  72         return Options.TierABackedgeNotifyFreqLog.getValue();
  73     }
  74 
  75     @Override
  76     public int backedgeProfilePobabilityLog() {
  77         return Options.TierABackedgeProfileProbabilityLog.getValue();
  78     }
  79 }