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
				ug.inMarkAssist = s.g.inMarkAssist
				ug.stackID = traceStack(0, gp, gen)
			}
			resumeG(s)
			casgstatus(me, _Gwaiting, _Grunning)
		})
		if ug.goid != 0 {
			untracedGs = append(untracedGs, ug)
		}

//
// See the documentation of Args for more details.
var ArgTypes = [...]string{
	"seq",     // sequence number
	"pstatus", // P status
	"gstatus", // G status
	"g",       // trace.GoID
	"m",       // trace.ThreadID
	"p",       // trace.ProcID
	"string",  // string ID
	"stack",   // stack ID
	"value",   // uint64
	"task",    // trace.TaskID
}

// and Next. Advance is called to try and advance an event and
// add completed events to the ordering. Next is used to pick
// off events in the ordering.
type ordering struct {
	gStates     map[GoID]*gState
	pStates     map[ProcID]*pState // TODO: The keys are dense, so this can be a slice.
	mStates     map[ThreadID]*mState
	activeTasks map[TaskID]taskState
	gcSeq       uint64
	gcState     gcState
	initialGen  uint64

		}, nil
	case version.Go122, version.Go123:
		return &Reader{
			r: br,
			order: ordering{
				mStates:     make(map[ThreadID]*mState),
				pStates:     make(map[ProcID]*pState),
				gStates:     make(map[GoID]*gState),
				activeTasks: make(map[TaskID]taskState),
			},
			// Don't emit a sync event when we first go to emit events.
			emittedSync: true,
		}, nil
	default:

		// time at which procs changed.
		time int64
		// n is the number of procs at that point.
		n int
	}
	out := [][]MutatorUtil{}
	stw := 0
	ps := []perP{}
	inGC := make(map[GoID]bool)
	states := make(map[GoID]GoState)
	bgMark := make(map[GoID]bool)
	procs := []procsCount{}
	seenSync := false

	// Helpers.
	handleSTW := func(r Range) bool {
		return flags&UtilSTW != 0 && isGCSTW(r)
	}

		w = w.writeProcStatus(uint64(pp.id), procStatus, pp.trace.inSweep)
	}
	if gp := tl.mp.curg; gp != nil && !gp.trace.statusWasTraced(tl.gen) && gp.trace.acquireStatus(tl.gen) {
		w = w.writeGoStatus(uint64(gp.goid), int64(tl.mp.procid), goStatus, gp.inMarkAssist, 0 /* no stack */)
	}
	return traceEventWriter{w}
}

// commit writes out a trace event and calls end. It's a helper to make the

		modinfo = ""
	}
}

func dumpgstatus(gp *g) {
	thisg := getg()
	print("runtime:   gp: gp=", gp, ", goid=", gp.goid, ", gp->atomicstatus=", readgstatus(gp), "\n")
	print("runtime: getg:  g=", thisg, ", goid=", thisg.goid, ",  g->atomicstatus=", readgstatus(thisg), "\n")
}

// sched.lock must be held.
func checkmcount() {
	assertLockHeld(&sched.lock)

		used[f.Name] = true
	}

	if !*godefs {
		for cid, goid := range ident {
			if token.Lookup(goid).IsKeyword() {
				// Avoid keyword
				goid = "_" + goid

				// Also avoid existing fields
				for _, exist := used[goid]; exist; _, exist = used[goid] {
					goid = "_" + goid
				}

				used[goid] = true
				ident[cid] = goid
			}
		}
	}

	anon := 0

	case "seq":
		u = uint64(arg.(Seq))
	case "pstatus":
		u = uint64(arg.(go122.ProcStatus))
	case "gstatus":
		u = uint64(arg.(go122.GoStatus))
	case "g":
		u = uint64(arg.(trace.GoID))
	case "m":
		u = uint64(arg.(trace.ThreadID))
	case "p":
		u = uint64(arg.(trace.ProcID))
	case "string":
		u = b.gen.String(arg.(string))
	case "task":
		u = uint64(arg.(trace.TaskID))
	default:

// lowest first.
func emitTask(ctx *traceContext, task *trace.UserTaskSummary, sortIndex int) {
	// Collect information about the task.
	var startStack, endStack trace.Stack
	var startG, endG trace.GoID
	startTime, endTime := ctx.startTime, ctx.endTime
	if task.Start != nil {
		startStack = task.Start.Stack()
		startG = task.Start.Goroutine()
		startTime = task.Start.Time()
	}
	if task.End != nil {