if _, ok := gmap[edge.operand]; ok {
				gmap1[edge.operator] = struct{}{}
			}
		}
		gmap = gmap1
	}
	return gmap
}

func IsSystemGoroutine(entryFn string) bool {
	// This mimics runtime.isSystemGoroutine as closely as
	// possible.
	// Also, locked g in extra M (with empty entryFn) is system goroutine.

	gp := getg()

	isOK := func(gp1 *g) bool {
		// Checking isSystemGoroutine here makes GoroutineProfile
		// consistent with both NumGoroutine and Stack.
		return gp1 != gp && readgstatus(gp1) != _Gdead && !isSystemGoroutine(gp1, false)
	}

	pcbuf := makeProfStack() // see saveg() for explanation
	stw := stopTheWorld(stwGoroutineProfile)

	if gs.named {
		return
	}
	if stk == trace.NoStack {
		return
	}
	name := lastFunc(stk)
	gs.baseName += fmt.Sprintf(" %s", name)
	gs.named = true
	gs.isSystemG = trace.IsSystemGoroutine(name)
}

// setLabel adds an additional label to the goroutine's name.
func (gs *gState[R]) setLabel(label string) {
	gs.label = label
}

// name returns a name for the goroutine.

//
// If fixed is true, any goroutine that can vary between user and
// system (that is, the finalizer goroutine) is considered a user
// goroutine.
func isSystemGoroutine(gp *g, fixed bool) bool {
	// Keep this in sync with internal/trace.IsSystemGoroutine.
	f := findfunc(gp.startpc)
	if !f.valid() {
		return false
	}

	}

	dumpint(tagGoroutine)
	dumpint(uint64(uintptr(unsafe.Pointer(gp))))
	dumpint(uint64(sp))
	dumpint(gp.goid)
	dumpint(uint64(gp.gopc))
	dumpint(uint64(readgstatus(gp)))
	dumpbool(isSystemGoroutine(gp, false))
	dumpbool(false) // isbackground
	dumpint(uint64(gp.waitsince))
	dumpstr(gp.waitreason.String())
	dumpint(uint64(uintptr(gp.sched.ctxt)))
	dumpint(uint64(uintptr(unsafe.Pointer(gp.m))))

	schedule()
}

func gdestroy(gp *g) {
	mp := getg().m
	pp := mp.p.ptr()

	casgstatus(gp, _Grunning, _Gdead)
	gcController.addScannableStack(pp, -int64(gp.stack.hi-gp.stack.lo))
	if isSystemGoroutine(gp, false) {
		sched.ngsys.Add(-1)
	}
	gp.m = nil
	locked := gp.lockedm != 0
	gp.lockedm = 0
	mp.lockedg = 0
	gp.preemptStop = false
	gp.paniconfault = false

					// Runtime system goroutines or threads
					// (such as those identified by
					// runtime.isSystemGoroutine). These
					// should never be labeled.
					mustNotBeLabeled = l.Function.Name
				case "gogo", "gosave_systemstack_switch", "racecall":
					// These are context switch/race