001/*
002 * Copyright © 2025 CUI-OpenSource-Software (info@cuioss.de)
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package de.cuioss.benchmarking.common.jfr;
017
018import jdk.jfr.*;
019
020/**
021 * JFR event for tracking individual benchmark operation performance.
022 * This event captures timing and metadata for each operation,
023 * enabling analysis of operation variance under concurrent load.
024 */
025@Name("de.cuioss.benchmark.Operation")
026@Label("Benchmark Operation")
027@Description("Tracks individual benchmark operation performance")
028@Category({"Benchmark", "Performance"})
029@StackTrace(false)
030public class OperationEvent extends Event {
031
032    @Label("Operation Type")
033    @Description("Type of operation being benchmarked")
034    public String operationType;
035
036    @Label("Benchmark Name")
037    @Description("Name of the benchmark executing this operation")
038    public String benchmarkName;
039
040    @Label("Thread Name")
041    @Description("Name of the thread executing this operation")
042    public String threadName;
043
044    @Label("Payload Size")
045    @Description("Size of the operation payload in bytes")
046    @DataAmount
047    public long payloadSize;
048
049    @Label("Metadata Key")
050    @Description("Key for operation metadata")
051    public String metadataKey;
052
053    @Label("Metadata Value")
054    @Description("Value for operation metadata")
055    public String metadataValue;
056
057    @Label("Success")
058    @Description("Whether the operation completed successfully")
059    public boolean success;
060
061    @Label("Error Type")
062    @Description("Type of error if operation failed")
063    public String errorType;
064
065    @Label("Cached")
066    @Description("Whether the result was served from cache")
067    public boolean cached;
068
069    @Label("Concurrent Operations")
070    @Description("Number of concurrent operations at the time of execution")
071    public int concurrentOperations;
072}