src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot/src/org/graalvm/compiler/hotspot/meta/HotSpotAOTProfilingPlugin.java

/*
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 * 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.
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package org.graalvm.compiler.hotspot.meta;

import org.graalvm.compiler.hotspot.FingerprintUtil;
import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
import org.graalvm.compiler.options.Option;
import org.graalvm.compiler.options.OptionType;
import org.graalvm.compiler.options.OptionValue;

import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
import jdk.vm.ci.meta.ResolvedJavaMethod;

public class HotSpotAOTProfilingPlugin extends HotSpotProfilingPlugin {
    public static class Options {
        @Option(help = "Do profiling and callbacks to tiered runtime", type = OptionType.User)//
        public static final OptionValue<Boolean> TieredAOT = new OptionValue<>(false);
        @Option(help = "Invocation notification frequency", type = OptionType.Expert)//
        public static final OptionValue<Integer> TierAInvokeNotifyFreqLog = new OptionValue<>(13);
        @Option(help = "Inlinee invocation notification frequency (-1 means count, but do not notify)", type = OptionType.Expert)//
        public static final OptionValue<Integer> TierAInvokeInlineeNotifyFreqLog = new OptionValue<>(-1);
        @Option(help = "Invocation profile probability", type = OptionType.Expert)//
        public static final OptionValue<Integer> TierAInvokeProfileProbabilityLog = new OptionValue<>(8);
        @Option(help = "Backedge notification frequency", type = OptionType.Expert)//
        public static final OptionValue<Integer> TierABackedgeNotifyFreqLog = new OptionValue<>(16);
        @Option(help = "Backedge profile probability", type = OptionType.Expert)//
        public static final OptionValue<Integer> TierABackedgeProfileProbabilityLog = new OptionValue<>(12);
    }

    @Override
    public boolean shouldProfile(GraphBuilderContext builder, ResolvedJavaMethod method) {
        return super.shouldProfile(builder, method) && FingerprintUtil.getFingerprint(((HotSpotResolvedObjectType) method.getDeclaringClass())) != 0;
    }

    @Override
    public int invokeNotifyFreqLog() {
        return Options.TierAInvokeNotifyFreqLog.getValue();
    }

    @Override
    public int invokeInlineeNotifyFreqLog() {
        return Options.TierAInvokeInlineeNotifyFreqLog.getValue();
    }

    @Override
    public int invokeProfilePobabilityLog() {
        return Options.TierAInvokeProfileProbabilityLog.getValue();
    }

    @Override
    public int backedgeNotifyFreqLog() {
        return Options.TierABackedgeNotifyFreqLog.getValue();
    }

    @Override
    public int backedgeProfilePobabilityLog() {
        return Options.TierABackedgeProfileProbabilityLog.getValue();
    }
}