// Set GOMAXPROCS high then sleep briefly to ensure we generate
	// some idle time.
	oldmaxprocs := runtime.GOMAXPROCS(10)
	time.Sleep(time.Millisecond)
	runtime.GOMAXPROCS(oldmaxprocs)

	stats := runtime.ReadCPUStats()
	gcTotal := stats.GCAssistTime + stats.GCDedicatedTime + stats.GCIdleTime + stats.GCPauseTime
	if gcTotal != stats.GCTotalTime {

	return (*profBuf)(p).read(mode)
}

func (p *ProfBuf) Close() {
	(*profBuf)(p).close()
}

type CPUStats = cpuStats

func ReadCPUStats() CPUStats {
	return work.cpuStats
}

func ReadMetricsSlow(memStats *MemStats, samplesp unsafe.Pointer, len, cap int) {
	stw := stopTheWorld(stwForTestReadMetricsSlow)