39 lines
1.8 KiB
Java
39 lines
1.8 KiB
Java
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package net.minecraft.util.profiling.jfr.stats;
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import com.google.common.base.MoreObjects;
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import java.time.Duration;
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import java.time.Instant;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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import java.util.stream.Collectors;
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import jdk.jfr.consumer.RecordedEvent;
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import jdk.jfr.consumer.RecordedThread;
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public record ThreadAllocationStat(Instant timestamp, String threadName, long totalBytes) {
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private static final String UNKNOWN_THREAD = "unknown";
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public static ThreadAllocationStat from(RecordedEvent p_185804_) {
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RecordedThread recordedthread = p_185804_.getThread("thread");
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String s = recordedthread == null ? "unknown" : MoreObjects.firstNonNull(recordedthread.getJavaName(), "unknown");
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return new ThreadAllocationStat(p_185804_.getStartTime(), s, p_185804_.getLong("allocated"));
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}
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public static ThreadAllocationStat.Summary summary(List<ThreadAllocationStat> p_185798_) {
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Map<String, Double> map = new TreeMap<>();
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Map<String, List<ThreadAllocationStat>> map1 = p_185798_.stream().collect(Collectors.groupingBy(p_185796_ -> p_185796_.threadName));
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map1.forEach((p_185801_, p_185802_) -> {
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if (p_185802_.size() >= 2) {
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ThreadAllocationStat threadallocationstat = p_185802_.get(0);
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ThreadAllocationStat threadallocationstat1 = p_185802_.get(p_185802_.size() - 1);
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long i = Duration.between(threadallocationstat.timestamp, threadallocationstat1.timestamp).getSeconds();
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long j = threadallocationstat1.totalBytes - threadallocationstat.totalBytes;
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map.put(p_185801_, (double)j / i);
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}
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});
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return new ThreadAllocationStat.Summary(map);
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}
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public record Summary(Map<String, Double> allocationsPerSecondByThread) {
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}
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}
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