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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.maintenance.servicedump;
import com.yahoo.vespa.hosted.node.admin.container.ContainerOperations;
import com.yahoo.vespa.hosted.node.admin.nodeagent.NodeAgentContext;
import com.yahoo.vespa.hosted.node.admin.task.util.file.UnixPath;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
/**
* @author bjorncs
*/
class PerfReportProducer extends AbstractProducer {
public static String NAME = "perf-report";
PerfReportProducer(ContainerOperations container) { super(container); }
@Override public String name() { return NAME; }
@Override
public void produceArtifact(NodeAgentContext context, String configId, ServiceDumpReport.DumpOptions options,
UnixPath resultDirectoryInNode) throws IOException {
int pid = findVespaServicePid(context, configId);
int duration = options != null && options.duration() != null && options.duration() > 0
? options.duration().intValue() : 30;
List<String> perfRecordCommand = new ArrayList<>(List.of("perf", "record"));
if (options != null && Boolean.TRUE.equals(options.callGraphRecording())) {
perfRecordCommand.add("-g");
}
String recordFile = resultDirectoryInNode.resolve("perf-record.bin").toString();
perfRecordCommand.addAll(
List.of("--output=" + recordFile,
"--pid=" + pid, "sleep", Integer.toString(duration)));
executeCommand(context, perfRecordCommand, true);
String perfReportFile = resultDirectoryInNode.resolve("perf-report.txt").toString();
executeCommand(context, List.of("bash", "-c", "perf report --input=" + recordFile + " > " + perfReportFile), true);
}
}
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