unit := minUnit
	if minUnit != maxUnit && minValue*100 < maxValue && o.OutputFormat != Callgrind {
		// Minimum and maximum values have different units. Scale
		// minimum by 100 to use larger units, allowing minimum value to
		// be scaled down to 0.01, except for callgrind reports since
		// they can only represent integer values.
		_, unit = measurement.Scale(100*minValue, o.SampleUnit, "minimum")

		// in which automatically cancels the wait completion packet.
		fallthrough
	case STATUS_SUCCESS:
		dt := -delay / 100 // relative sleep (negative), 100ns units
		if stdcall6(_SetWaitableTimer, mp.waitIocpTimer, uintptr(unsafe.Pointer(&dt)), 0, 0, 0, 0) == 0 {
			println("runtime: SetWaitableTimer failed; errno=", getlasterror())
			throw("runtime: netpoll failed")
		}

		}
		if ah != 0 && ah != al+1 {
			return FormatError("bad successive approximation values")
		}
	}

	// mxx and myy are the number of MCUs (Minimum Coded Units) in the image.
	h0, v0 := d.comp[0].h, d.comp[0].v // The h and v values from the Y components.
	mxx := (d.width + 8*h0 - 1) / (8 * h0)
	myy := (d.height + 8*v0 - 1) / (8 * v0)
	if d.img1 == nil && d.img3 == nil {

	MOVQ	SP, -8(R14)
	LEAQ	-8(R14), SP
	CALL	AX
	MOVQ	0(SP), SP
	RET

noswitch:
	// Not a Go-managed thread. Do not switch stack.
	CALL	AX
	RET

// Runs on OS stack. duration (in µs units) is in DI.
TEXT usleep2<>(SB),NOSPLIT,$0
	LEAQ	libc_usleep(SB), AX
	CALL	AX
	RET

// Runs on OS stack, called from runtime·osyield.
TEXT runtime·osyield1(SB),NOSPLIT,$0
	LEAQ	libc_sched_yield(SB), AX

		}
		gcw.heapScanWork = 0
	}
}

// gcDrainN blackens grey objects until it has performed roughly
// scanWork units of scan work or the G is preempted. This is
// best-effort, so it may perform less work if it fails to get a work
// buffer. Otherwise, it will perform at least n units of work, but
// may perform more because scanning is always done in whole object
// increments. It returns the amount of scan work performed.

)

// Common durations. There is no definition for units of Day or larger
// to avoid confusion across daylight savings time zone transitions.
//
// To count the number of units in a [Duration], divide:
//
//	second := time.Second
//	fmt.Print(int64(second/time.Millisecond)) // prints 1000
//
// To convert an integer number of units to a Duration, multiply:
//
//	seconds := 10

			}
			ctxt.compUnits = append(ctxt.compUnits, unit)

			// We need at least one runtime unit.
			if unit.Lib.Pkg == "runtime" {
				ctxt.runtimeCU = unit
			}

			cuabrv := dwarf.DW_ABRV_COMPUNIT
			if len(unit.Textp) == 0 {
				cuabrv = dwarf.DW_ABRV_COMPUNIT_TEXTLESS
			}
			unit.DWInfo = d.newdie(&dwroot, cuabrv, unit.Lib.Pkg)

			h = getg().m.highResTimer
			dt := -10 * int64(us) // relative sleep (negative), 100ns units
			stdcall6(_SetWaitableTimer, h, uintptr(unsafe.Pointer(&dt)), 0, 0, 0, 0)
			timeout = _INFINITE
		} else {
			h = _INVALID_HANDLE_VALUE
			timeout = uintptr(us) / 1000 // ms units
		}
		stdcall2(_WaitForSingleObject, h, timeout)
	})
}

func ctrlHandler(_type uint32) uintptr {

	traceEvCPUSamples // start of a section of CPU samples [...traceEvCPUSample]
	traceEvCPUSample  // CPU profiling sample [timestamp, M ID, P ID, goroutine ID, stack ID]
	traceEvFrequency  // timestamp units per sec [freq]

	// Procs.
	traceEvProcsChange // current value of GOMAXPROCS [timestamp, GOMAXPROCS, stack ID]
	traceEvProcStart   // start of P [timestamp, P ID, P seq]
	traceEvProcStop    // stop of P [timestamp]

	// Parse should call usage and return nil.
	Parse(usage func()) []string
}

// A Fetcher reads and returns the profile named by src. src can be a
// local file path or a URL. duration and timeout are units specified
// by the end user, or 0 by default. duration refers to the length of
// the profile collection, if applicable, and timeout is the amount of
// time to wait for a profile before returning an error. Returns the