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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespafeeder;
import com.yahoo.clientmetrics.MessageTypeMetricSet;
import com.yahoo.clientmetrics.RouteMetricSet;
import com.yahoo.concurrent.Timer;
import java.io.PrintStream;
/**
* Class that takes progress from the feed and prints to a stream.
*/
public class BenchmarkProgressPrinter implements RouteMetricSet.ProgressCallback {
private final long startTime;
private final Timer timer;
private final PrintStream output;
public BenchmarkProgressPrinter(Timer timer, PrintStream output) {
this.timer = timer;
this.output = output;
this.startTime = timer.milliTime();
}
private void printMetrics(PrintStream out, RouteMetricSet metrics) {
for (MessageTypeMetricSet m : metrics.getMetrics().values()) {
long timeUsed = timer.milliTime() - startTime;
out.println(timeUsed + ", " + m.count + ", " + m.errorCount + ", " + m.latency_min + ", " + m.latency_max + ", " + m.latency_total/Long.max(1L, m.count));
}
}
@Override
public void onProgress(RouteMetricSet metrics) {
}
@Override
public void done(RouteMetricSet metrics) {
try {
output.println("# Time used, num ok, num error, min latency, max latency, average latency");
printMetrics(output, metrics);
} catch (Exception e) {
e.printStackTrace();
}
}
}
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