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/*
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.debug;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import java.util.Collections;
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import java.util.List;
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import jdk.internal.vm.compiler.collections.EconomicMap;
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import jdk.internal.vm.compiler.collections.MapCursor;
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import jdk.internal.vm.compiler.collections.Pair;
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import org.graalvm.compiler.options.OptionValues;
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/**
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* Metric values that can be {@linkplain #add(DebugContext) updated} by multiple threads.
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*/
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public class GlobalMetrics {
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long[] values;
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/**
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* Adds the values in {@code debug} to the values in this object.
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*/
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public synchronized void add(DebugContext debug) {
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values = debug.addValuesTo(values);
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}
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/**
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* Clears all values in this object.
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*/
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public void clear() {
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values = null;
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}
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/**
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* Creates and returns a sorted map from metric names to their values in this object.
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*/
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public EconomicMap<MetricKey, Long> asKeyValueMap() {
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List<MetricKey> keys = KeyRegistry.getKeys();
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Collections.sort(keys, MetricKey.NAME_COMPARATOR);
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EconomicMap<MetricKey, Long> res = EconomicMap.create(keys.size());
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long[] vals = values;
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for (MetricKey key : keys) {
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int index = ((AbstractKey) key).getIndex();
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if (vals == null || index >= vals.length) {
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res.put(key, 0L);
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} else {
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res.put(key, vals[index]);
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}
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}
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return res;
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}
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/**
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* Prints the values in the object to the file specified by
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* {@link DebugOptions#AggregatedMetricsFile} if present otherwise to
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* {@link DebugContext#DEFAULT_LOG_STREAM}.
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*/
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public void print(OptionValues options) {
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long[] vals = values;
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if (vals != null) {
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EconomicMap<MetricKey, Long> map = asKeyValueMap();
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String metricsFile = DebugOptions.AggregatedMetricsFile.getValue(options);
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boolean csv = metricsFile != null && (metricsFile.endsWith(".csv") || metricsFile.endsWith(".CSV"));
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PrintStream p = null;
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try {
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p = metricsFile == null ? DebugContext.DEFAULT_LOG_STREAM : new PrintStream(Files.newOutputStream(Paths.get(metricsFile)));
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if (!csv) {
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if (!map.isEmpty()) {
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p.println("++ Aggregated Metrics ++");
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}
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}
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String csvFormat = CSVUtil.buildFormatString("%s", "%s", "%s");
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MapCursor<MetricKey, Long> e = map.getEntries();
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while (e.advance()) {
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MetricKey key = e.getKey();
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if (csv) {
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Pair<String, String> valueAndUnit = key.toCSVFormat(e.getValue());
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CSVUtil.Escape.println(p, csvFormat, key.getName(), valueAndUnit.getLeft(), valueAndUnit.getRight());
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} else {
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p.println(key.getName() + "=" + key.toHumanReadableFormat(e.getValue()));
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}
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}
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if (!csv) {
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if (!map.isEmpty()) {
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p.println("-- Aggregated Metrics --");
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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// Don't close DEFAULT_LOG_STREAM
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if (metricsFile != null && p != null) {
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p.close();
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}
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}
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}
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if (DebugOptions.ListMetrics.getValue(options)) {
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PrintStream p = System.out;
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p.println("++ Metric Keys ++");
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List<MetricKey> keys = KeyRegistry.getKeys();
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Collections.sort(keys, MetricKey.NAME_COMPARATOR);
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for (MetricKey key : keys) {
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String name = key.getDocName();
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if (name != null) {
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String doc = key.getDoc();
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if (doc != null) {
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p.println(name + ": " + doc);
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} else {
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p.println(name);
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}
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}
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}
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p.println("-- Metric Keys --");
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}
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}
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}
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