s.scavenger.wake()
}

// Stop cleans up the scavenger's resources. The scavenger
// must be parked for this to work.
func (s *Scavenger) Stop() {
	lock(&s.scavenger.lock)
	parked := s.scavenger.parked
	unlock(&s.scavenger.lock)
	if !parked {
		panic("tried to clean up scavenger that is not parked")
	}
	close(s.stop)
	s.Wake()
	<-s.done
}

type ScavengeIndex struct {

		case "/cpu/classes/idle:cpu-seconds":
			cpu.idle = samples[i].Value.Float64()
		case "/cpu/classes/scavenge/assist:cpu-seconds":
			cpu.scavengeAssist = samples[i].Value.Float64()
		case "/cpu/classes/scavenge/background:cpu-seconds":
			cpu.scavengeBg = samples[i].Value.Float64()
		case "/cpu/classes/scavenge/total:cpu-seconds":
			cpu.scavengeTotal = samples[i].Value.Float64()
		case "/cpu/classes/total:cpu-seconds":

	// Reset assist time and background time stats.
	//
	// Do this now, instead of at the start of the next GC cycle, because
	// these two may keep accumulating even if the GC is not active.
	scavenge.assistTime.Store(0)
	scavenge.backgroundTime.Store(0)

	// Reset idle time stat.
	sched.idleTime.Store(0)

	if work.userForced {
		memstats.numforcedgc++
	}

	runtime.GC() call.

	harddecommit: setting harddecommit=1 causes memory that is returned to the OS to
	also have protections removed on it. This is the only mode of operation on Windows,
	but is helpful in debugging scavenger-related issues on other platforms. Currently,
	only supported on Linux.

	inittrace: setting inittrace=1 causes the runtime to emit a single line to standard

	waitReasonGCAssistWait                            // "GC assist wait"
	waitReasonGCSweepWait                             // "GC sweep wait"
	waitReasonGCScavengeWait                          // "GC scavenge wait"
	waitReasonChanReceive                             // "chan receive"
	waitReasonChanSend                                // "chan send"
	waitReasonFinalizerWait                           // "finalizer wait"

			// https://gnats.netbsd.org/cgi-bin/query-pr-single.pl?number=50094.
			if next := timeSleepUntil(); next < now {
				startm(nil, false, false)
			}
		}
		if scavenger.sysmonWake.Load() != 0 {
			// Kick the scavenger awake if someone requested it.
			scavenger.wake()
		}
		// retake P's blocked in syscalls
		// and preempt long running G's
		if retake(now) != 0 {
			idle = 0
		} else {
			idle++
		}