E5E5 Now allows the benchmark to go into profiling mode by bbakerman · Pull Request #3485 · graphql-java/graphql-java · GitHub
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Now allows the benchmark to go into profiling mode #3485

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Merged
bbakerman merged 1 commit into from
Feb 29, 2024
Merged

Now allows the benchmark to go into profiling mode #3485

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40 changes: 35 additions & 5 deletions src/test/java/benchmark/ComplexQueryBenchmark.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,9 @@
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutorService;
Expand Down Expand Up @@ -102,21 +105,47 @@ public static void main(String[] args) throws Exception {
@SuppressWarnings({"ConstantValue", "LoopConditionNotUpdatedInsideLoop"})
private static void runAtStartup() {
// set this to true if you want to hook in profiler say to a forever running JVM
boolean forever = Boolean.getBoolean("forever");
int runForMillis = getRunForMillis();

long then = System.currentTimeMillis();
System.out.printf("Running initial code before starting the benchmark in forever=%b mode \n", forever);
if (runForMillis <= 0) {
return;
}
long now, then = System.currentTimeMillis();
System.out.printf("Running initial code before starting the benchmark - runForMillis=%d \n", runForMillis);
System.out.print("Get your profiler in order and press enter... \n");
readLine();
System.out.print("Lets go...\n");
ComplexQueryBenchmark complexQueryBenchmark = new ComplexQueryBenchmark();
complexQueryBenchmark.setUp();
do {
System.out.print("Running queries....\n");
System.out.printf("Running queries for %d millis....\n", System.currentTimeMillis() - then);
complexQueryBenchmark.howManyItems = 100;
complexQueryBenchmark.runManyQueriesToCompletion();
} while (forever);
now = System.currentTimeMillis();
} while ((now - then) < runForMillis);
complexQueryBenchmark.tearDown();

System.out.printf("This took %d millis\n", System.currentTimeMillis() - then);
System.exit(0);

}

private static void readLine() {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try {
br.readLine();
} catch (IOException e) {
throw new RuntimeException(e);
}
}

private static int getRunForMillis() {
String runFor = System.getenv("runForMillis");
try {
return Integer.parseInt(runFor);
} catch (NumberFormatException e) {
return -1;
}
}

@SuppressWarnings("UnnecessaryLocalVariable")
Expand Down Expand Up @@ -200,6 +229,7 @@ private void sleep(Integer howLong) {
}

AtomicInteger logCount = new AtomicInteger();

private void logEvery(int every, String s) {
int count = logCount.getAndIncrement();
if (count == 0 || count % every == 0) {
Expand Down
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