// when stopping began (just before trying to stop Ps) and just after the
	// world started again.
	pauseNS int64

	// debug.gctrace heap sizes for this cycle.
	heap0, heap1, heap2 uint64

	// Cumulative estimated CPU usage.
	cpuStats
}

// GC runs a garbage collection and blocks the caller until the
// garbage collection is complete. It may also block the entire

	}

	// For small heaps, set the max trigger point at maxTriggerRatio of the way
	// from the live heap to the heap goal. This ensures we always have *some*
	// headroom when the GC actually starts. For larger heaps, set the max trigger
	// point at the goal, minus the minimum heap size.
	//
	// This choice follows from the fact that the minimum heap size is chosen

	// be very high if they were to be backed by huge pages (e.g. a few MiB makes
	// a huge difference for an 8 MiB heap, but barely any difference for a 1 GiB
	// heap). The benefit of huge pages is also not worth it for small heaps,
	// because only a very, very small part of the metadata is used for small heaps.
	//

// arenaHint is a hint for where to grow the heap arenas. See
// mheap_.arenaHints.
type arenaHint struct {
	_    sys.NotInHeap
	addr uintptr
	down bool
	next *arenaHint
}

// An mspan is a run of pages.
//
// When a mspan is in the heap free treap, state == mSpanFree
// and heapmap(s->start) == span, heapmap(s->start+s->npages-1) == span.
// If the mspan is in the heap scav treap, then in addition to the

// the heap goal is defined in terms of bytes of objects, rather than pages like
// RSS. As a result, we need to take into account for fragmentation internal to
// spans. heapGoal / lastHeapGoal defines the ratio between the current heap goal
// and the last heap goal, which tells us by how much the heap is growing and
// shrinking. We estimate what the heap will grow to in terms of pages by taking

	}
	getg().m.traceback = 2
	throw("found bad pointer in Go heap (incorrect use of unsafe or cgo?)")
}

// findObject returns the base address for the heap object containing
// the address p, the object's span, and the index of the object in s.
// If p does not point into a heap object, it returns base == 0.
//
// If p points is an invalid heap pointer and debug.invalidptr != 0,
// findObject panics.
//

			// to a heap-allocated defer record. Keep that heap record live.
			scanblock(uintptr(unsafe.Pointer(&d.link)), goarch.PtrSize, &oneptrmask[0], gcw, &state)
		}
		// Retain defers records themselves.
		// Defer records might not be reachable from the G through regular heap
		// tracing because the defer linked list might weave between the stack and the heap.
		if d.heap {

	return true
}

// mProf_NextCycle publishes the next heap profile cycle and creates a
// fresh heap profile cycle. This operation is fast and can be done
// during STW. The caller must call mProf_Flush before calling
// mProf_NextCycle again.
//
// This is called by mark termination during STW so allocations and
// frees after the world is started again count towards a new heap
// profiling cycle.
func mProf_NextCycle() {

	inFlightEvents *list.List

	// activeQ is heap structure that scheduler actively looks at to find pods to
	// schedule. Head of heap is the highest priority pod.
	activeQ *heap.Heap
	// podBackoffQ is a heap ordered by backoff expiry. Pods which have completed backoff
	// are popped from this heap before the scheduler looks at activeQ
	podBackoffQ *heap.Heap

	if err != nil {
		t.Fatal(err)
	}

	heap := 1 << 30
	if runtime.GOOS == "android" {
		// Use smaller size for Android to avoid crash.
		heap = 100 << 20
	}
	if runtime.GOOS == "windows" && runtime.GOARCH == "arm" {
		// Use smaller heap for Windows/ARM to avoid crash.
		heap = 100 << 20
	}
	if testing.Short() {
		heap = 100 << 20
	}
	// This makes fork slower.