30 lines
788 B
Java
30 lines
788 B
Java
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package ex6;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.LongAdder;
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public final class Profiler {
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private static final Map<String, LongAdder> methodToLoopCount = new ConcurrentHashMap<>();
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static {
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Runtime.getRuntime().addShutdownHook(new Thread(() -> {
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for (final var entry : methodToLoopCount.entrySet()) {
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System.out.printf("Method name: %s - # executed loops: %d%n", entry.getKey(), entry.getValue().intValue());
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}
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}));
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}
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private Profiler() {
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}
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public static void countLoop(String methodName) {
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methodToLoopCount.computeIfAbsent(methodName, k -> new LongAdder());
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methodToLoopCount.get(methodName).increment();
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}
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}
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