dontfreezetheworld: by default, the start of a fatal panic or throw
	"freezes the world", preempting all threads to stop all running
	goroutines, which makes it possible to traceback all goroutines, and
	keeps their state close to the point of panic. Setting
	dontfreezetheworld=1 disables this preemption, allowing goroutines to
	continue executing during panic processing. Note that goroutines that

	// Objects can be zeroed late in a context where preemption can occur.
	// If the object contains pointers, its pointer data must be cleared
	// or otherwise indicate that the GC shouldn't scan it.
	// x will keep the memory alive.
	if delayedZeroing {
		// N.B. size == fullSize always in this case.
		memclrNoHeapPointersChunked(size, x) // This is a possible preemption point: see #47302

	// Any time we acquire a traceLocker, we may flush a trace buffer. But
	// buffer flushes are rare. Record the lock edge even if it doesn't happen
	// this time.
	lockRankMayTraceFlush()

	// Prevent preemption.
	mp := acquirem()

	// Acquire the trace seqlock. This prevents traceAdvance from moving forward
	// until all Ms are observed to be outside of their seqlock critical section.
	//

	// cost of maintaining this consistency is low. We're not going to hold this semaphore
	// for very long and most STW periods are very short.
	// Once we hold worldsema, prevent preemption as well so we're not interrupted partway
	// through this. We want to get this done as soon as possible.
	semacquire(&worldsema)
	mp := acquirem()

	// Advance the generation or stop the trace.

	// unsafe-points.
	allUnsafe bool
	// unsafePoints bit i is set if Value ID i is an unsafe-point
	// (preemption is not allowed). Only valid if !allUnsafe.
	unsafePoints bitvec.BitVec
	// unsafeBlocks bit i is set if Block ID i is an unsafe-point
	// (preemption is not allowed on any end-of-block
	// instructions). Only valid if !allUnsafe.
	unsafeBlocks bitvec.BitVec

	// reserved for arguments but not return values. retOffset
	// is the offset at which return values begin, and
	// spill is the size in bytes of additional space reserved
	// to spill argument registers into in case of preemption in
	// reflectcall's stack frame.
	stackCallArgsSize, retOffset, spill uintptr

	// stackPtrs is a bitmap that indicates whether
	// each word in the ABI stack space (stack-assigned

  maxSurge: 100%

## Update strategy for StatefulSets
statefulSetUpdate:
  updateStrategy: RollingUpdate

## Pod priority settings
## ref: https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/
##
priorityClassName: ""

## Pod runtime class name
## ref https://kubernetes.io/docs/concepts/containers/runtime-class/
##
runtimeClassName: ""

## Set default rootUser, rootPassword

func isSweepDone() bool {
	return sweep.active.isDone()
}

// Returns only when span s has been swept.
//
//go:nowritebarrier
func (s *mspan) ensureSwept() {
	// Caller must disable preemption.
	// Otherwise when this function returns the span can become unswept again
	// (if GC is triggered on another goroutine).
	gp := getg()
	if gp.m.locks == 0 && gp.m.mallocing == 0 && gp != gp.m.g0 {

WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package preemption

import (
	"context"
	"fmt"
	"sort"
	"testing"

	"github.com/google/go-cmp/cmp"
	v1 "k8s.io/api/core/v1"
	policy "k8s.io/api/policy/v1"
	"k8s.io/apimachinery/pkg/runtime"

			s.SetPlugin(pl.Name())
			if s.Code() == framework.UnschedulableAndUnresolvable {
				// In this case, the preemption shouldn't happen in this scheduling cycle.
				// So, no need to execute all PreFilter.
				return nil, s
			}
			if s.Code() == framework.Unschedulable {
				// In this case, the preemption should happen later in this scheduling cycle.
				// So we need to execute all PreFilter.