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 * Copyright (c) 2026 AtLarge Research
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 * of this software and associated documentation files (the "Software"), to deal
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 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be included in all
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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package org.opendc.experiments

import org.opendc.experiments.base.runner.ExperimentCommand
import org.openjdk.jmh.annotations.Benchmark
import org.openjdk.jmh.annotations.BenchmarkMode
import org.openjdk.jmh.annotations.Fork
import org.openjdk.jmh.annotations.Measurement
import org.openjdk.jmh.annotations.Mode
import org.openjdk.jmh.annotations.OutputTimeUnit
import org.openjdk.jmh.annotations.Scope
import org.openjdk.jmh.annotations.State
import org.openjdk.jmh.annotations.Warmup
import java.io.File
import java.util.concurrent.TimeUnit

/**
 * JMH benchmark that measures simulation performance across real-world workload
 * datasets of varying size and duration, with telemetry export enabled.
 *
 * JFR profiling and heap statistics collection are provided by [OpenDCBenchmark].
 */
@State(Scope.Thread)
@Fork(1)
@Warmup(iterations = 1, batchSize = 1)
@Measurement(iterations = 5, batchSize = 1)
@BenchmarkMode(Mode.SingleShotTime)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
open class WorkloadBenchmark : OpenDCBenchmark() {
    /** Runs the simulation with the SURF one-week workload trace. */
    @Benchmark
    fun surfWeekBenchmark() {
        ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/workloadScaling/surf_week.json"))
        File("output").deleteRecursively()
    }

    /** Runs the simulation with the SURF one-month workload trace. */
    @Benchmark
    fun surfMonthBenchmark() {
        ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/workloadScaling/surf_month.json"))
        File("output").deleteRecursively()
    }

    /** Runs the simulation with the SURF half-year workload trace. */
    @Benchmark
    fun surfHalfYearBenchmark() {
        ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/workloadScaling/surf_halfyear.json"))
        File("output").deleteRecursively()
    }
}