com.oracle.truffle.runtime.jfr.impl.RootFunctionEventImpl Maven / Gradle / Ivy

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/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
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 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
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 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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package com.oracle.truffle.runtime.jfr.impl;

import com.oracle.truffle.api.nodes.LanguageInfo;
import jdk.jfr.Event;
import jdk.jfr.Label;
import jdk.jfr.Description;
import com.oracle.truffle.api.RootCallTarget;
import com.oracle.truffle.api.source.SourceSection;
import com.oracle.truffle.runtime.jfr.RootFunctionEvent;
import com.oracle.truffle.api.nodes.RootNode;

abstract class RootFunctionEventImpl extends Event implements RootFunctionEvent {

    @Label("Source") @Description("Compiled Source") public String source;
    @Label("Language") @Description("Guest Language") public String language;
    @Label("Root Function") @Description("Root Function") public String rootFunction;

    RootFunctionEventImpl() {
    }

    RootFunctionEventImpl(String source, String language, String rootFunction) {
        this.source = source;
        this.language = language;
        this.rootFunction = rootFunction;
    }

    @Override
    public void setRootFunction(RootCallTarget target) {
        RootNode rootNode = target.getRootNode();
        this.source = targetName(rootNode);
        LanguageInfo languageInfo = rootNode.getLanguageInfo();
        this.language = languageInfo != null ? languageInfo.getId() : null;
        this.rootFunction = rootNode.getName();
        if (this.rootFunction == null) {
            this.rootFunction = rootNode.toString();
        }
    }

    @Override
    public void publish() {
        commit();
    }

    private static String targetName(RootNode rootNode) {
        SourceSection sourceSection = rootNode.getSourceSection();
        if (sourceSection != null && sourceSection.getSource() != null) {
            return sourceSection.getSource().getName() + ":" + sourceSection.getStartLine();
        }
        return null;
    }
}