// The only situation that we might is that we're racing with a G
			// that's running for the first time in this generation. Therefore,
			// this should be relatively fast.
			s := suspendG(gp)
			if !s.dead {
				ug.goid = s.g.goid
				if s.g.m != nil {
					ug.mid = int64(s.g.m.procid)
				}
				ug.status = readgstatus(s.g) &^ _Gscan
				ug.waitreason = s.g.waitreason

 * string formatting itself should not be a concern.
 *
 * <p>As with any performance concerns, you should consider profiling your code (in a production
 * environment if possible) before spending a lot of effort on tweaking a particular element.
 *
 * <h3>Other types of preconditions</h3>
 *
 * <p>Not every type of precondition failure is supported by these methods. Continue to throw

 * string formatting itself should not be a concern.
 *
 * <p>As with any performance concerns, you should consider profiling your code (in a production
 * environment if possible) before spending a lot of effort on tweaking a particular element.
 *
 * <h3>Other types of preconditions</h3>
 *
 * <p>Not every type of precondition failure is supported by these methods. Continue to throw

          "type": "boolean"
        },
        "template": {

	casGToPreemptScan(gp, _Grunning, _Gscan|_Gpreempted)
	dropg()

	// Be careful about how we trace this next event. The ordering
	// is subtle.
	//
	// The moment we CAS into _Gpreempted, suspendG could CAS to
	// _Gwaiting, do its work, and ready the goroutine. All of
	// this could happen before we even get the chance to emit
	// an event. The end result is that the events could appear

							Type:        []string{"boolean"},
							Format:      "",
						},
					},

          "type": "boolean"
        },
        "template": {

          "type": "boolean"
        },
        "template": {