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/*
* Copyright (c) 2026 AtLarge Research
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
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 the cost of telemetry export as the number of
* export samples scales from 1 to 360 000.
*
* The number suffix in each benchmark method name is the number of export samples
* produced during the simulation. This is controlled via the `exportInterval` in
* the experiment JSON: a smaller interval means more frequent sampling and therefore
* more data written. The workload and topology are fixed across all tiers so that
* only the export overhead changes:
* - **Topology**: 100-host cluster (`topologies/taskScaling/topology_100.json`)
* - **Workload**: 10 000-task trace (`workloadTraces/taskScaling/10K_tasks`)
* - **Allocation policy**: memory-based (`Mem`)
*
* 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 SamplingScalingBenchmark : OpenDCBenchmark() {
/** Runs the simulation producing 1 export sample. */
@Benchmark
fun samplingScalingBenchmark1() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_1.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 10 export samples. */
@Benchmark
fun samplingScalingBenchmark10() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_10.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 100 export samples. */
@Benchmark
fun samplingScalingBenchmark100() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_100.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 1 000 export samples. */
@Benchmark
fun samplingScalingBenchmark1K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_1K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 5 000 export samples. */
@Benchmark
fun samplingScalingBenchmark5K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_5K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 10 000 export samples. */
@Benchmark
fun samplingScalingBenchmark10K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_10K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 20 000 export samples. */
@Benchmark
fun samplingScalingBenchmark20K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_20K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 30 000 export samples. */
@Benchmark
fun samplingScalingBenchmark30K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_30K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 40 000 export samples. */
@Benchmark
fun samplingScalingBenchmark40K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_40K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 50 000 export samples. */
@Benchmark
fun samplingScalingBenchmark50K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_50K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 60 000 export samples. */
@Benchmark
fun samplingScalingBenchmark60K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_60K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 70 000 export samples. */
@Benchmark
fun samplingScalingBenchmark70K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_70K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 80 000 export samples. */
@Benchmark
fun samplingScalingBenchmark80K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_80K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 90 000 export samples. */
@Benchmark
fun samplingScalingBenchmark90K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_90K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 100 000 export samples. */
@Benchmark
fun samplingScalingBenchmark100K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_100K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 200 000 export samples. */
@Benchmark
fun samplingScalingBenchmark200K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_200K.json"))
File("output").deleteRecursively()
}
/** Runs the simulation producing 360 000 export samples. */
@Benchmark
fun samplingScalingBenchmark360K() {
ExperimentCommand().main(arrayOf("--experiment-path", "src/jmh/resources/experiments/samplingScaling/experiment_360K.json"))
File("output").deleteRecursively()
}
}
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