}

// GoSched emits a GoStop event with a GoSched reason.
func (tl traceLocker) GoSched() {
	tl.GoStop(traceGoStopGoSched)
}

// GoPreempt emits a GoStop event with a GoPreempted reason.
func (tl traceLocker) GoPreempt() {
	tl.GoStop(traceGoStopPreempted)
}

// GoStop emits a GoStop event with the provided reason.
func (tl traceLocker) GoStop(reason traceGoStopReason) {

		IsTimedEvent: true,
	},
	EvGoDestroySyscall: event.Spec{
		Name:         "GoDestroySyscall",
		Args:         []string{"dt"},
		IsTimedEvent: true,
	},
	EvGoStop: event.Spec{
		Name:         "GoStop",
		Args:         []string{"dt", "reason_string", "stack"},
		IsTimedEvent: true,
		StackIDs:     []int{2},
		StringIDs:    []int{1},
	},
	EvGoBlock: event.Spec{
		Name:         "GoBlock",

	EvGoStart:           {"GoStart", 5, false, []string{"g", "seq"}, nil}, // in 1.5 format it was {"g"}
	EvGoEnd:             {"GoEnd", 5, false, []string{}, nil},
	EvGoStop:            {"GoStop", 5, true, []string{}, nil},
	EvGoSched:           {"GoSched", 5, true, []string{}, nil},
	EvGoPreempt:         {"GoPreempt", 5, true, []string{}, nil},
	EvGoSleep:           {"GoSleep", 5, true, []string{}, nil},

UserLog dt=7 task=9 key_string=27 value_string=48 stack=32
UserRegionBegin dt=4 task=9 name_string=29 stack=33
UserRegionEnd dt=7 task=9 name_string=29 stack=34
HeapAlloc dt=11 heapalloc_value=1802240
GoStop dt=674 reason_string=16 stack=53
GoStart dt=12 g=51 g_seq=2
GoBlock dt=8 reason_string=19 stack=35
HeapAlloc dt=16 heapalloc_value=1810432
ProcStop dt=8
ProcStart dt=159907 p=0 p_seq=8
ProcStop dt=25

      notifyFailed(EXCEPTION);
    }

    @Override
    protected void doStop() {
      fail();
    }
  }

  private static class RunFailingService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
      notifyFailed(EXCEPTION);
    }

    @Override
    protected void doStop() {
      fail();
    }
  }

      notifyFailed(EXCEPTION);
    }

    @Override
    protected void doStop() {
      fail();
    }
  }

  private static class RunFailingService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
      notifyFailed(EXCEPTION);
    }

    @Override
    protected void doStop() {
      fail();
    }
  }

  private static class NoOpService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
    }

    @Override
    protected void doStop() {
      notifyStopped();
    }
  }

  /*
   * A NoOp service that will delay the startup and shutdown notification for a configurable amount
   * of time.
   */

  private static class NoOpService extends AbstractService {
    @Override
    protected void doStart() {
      notifyStarted();
    }

    @Override
    protected void doStop() {
      notifyStopped();
    }
  }

  /*
   * A NoOp service that will delay the startup and shutdown notification for a configurable amount
   * of time.
   */

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import javax.annotation.CheckForNull;

/**
 * Base class for implementing services that can handle {@link #doStart} and {@link #doStop}
 * requests, responding to them with {@link #notifyStarted()} and {@link #notifyStopped()}
 * callbacks. Its subclasses must manage threads manually; consider {@link

import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import javax.annotation.CheckForNull;

/**
 * Base class for implementing services that can handle {@link #doStart} and {@link #doStop}
 * requests, responding to them with {@link #notifyStarted()} and {@link #notifyStopped()}
 * callbacks. Its subclasses must manage threads manually; consider {@link