// The possible changes made by extender may include:
	//   1. Subset of given candidate nodes after preemption phase of extender.
	//   2. A different set of victim pod for every given candidate node after preemption phase of extender.
	ProcessPreemption(
		pod *v1.Pod,
		nodeNameToVictims map[string]*extenderv1.Victims,
		nodeInfos NodeInfoLister,

			},
			wantResult: framework.NewPostFilterResultWithNominatedNode(""),
			wantStatus: framework.NewStatus(framework.Unschedulable, "preemption: 0/1 nodes are available: 1 No preemption victims found for incoming pod."),
		},
		{
			name: "preemption should respect filteredNodesStatuses",
			pod:  st.MakePod().Name("p").UID("p").Namespace(v1.NamespaceDefault).Priority(highPriority).Obj(),
			pods: []*v1.Pod{

// Code generated by mkpreempt.go; DO NOT EDIT.

#include "go_asm.h"
#include "textflag.h"

TEXT ·asyncPreempt(SB),NOSPLIT|NOFRAME,$0-0
	// No async preemption on wasm

// Copyright 2021 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Test preemption.

#include <stdlib.h>

#include "libgo8.h"

int main() {
	GoFunction8();

	// That should have exited the program.
	abort();

	// caution to prevent #49370 from happening).
	// TODO(mknyszek): This extra GC cycle is likely unnecessary
	// because preemption (which may happen during the sweep phase)
	// isn't much of an issue anymore thanks to asynchronous preemption.
	// The biggest risk is having a write barrier in the debug call
	// injection test code fire, because it runs in a signal handler
	// and may not have a P.
	//

	<-done
	<-done
}

// The function is used to test preemption at split stack checks.
// Declaring a var avoids inlining at the call site.
var preempt = func() int {
	var a [128]int
	sum := 0
	for _, v := range a {
		sum += v
	}
	return sum
}

func TestPreemption(t *testing.T) {
	if runtime.GOARCH == "wasm" {
		t.Skip("no preemption on wasm yet")
	}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build wasip1

package runtime

// wasm has no support for threads yet. There is no preemption.
// See proposal: https://github.com/WebAssembly/threads
// Waiting for a mutex or timeout is implemented as a busy loop
// while allowing other goroutines to run.

const (
	mutex_unlocked = 0
	mutex_locked   = 1

	"runtime/debug"
	"sync/atomic"
)

func init() {
	register("AsyncPreempt", AsyncPreempt)
}

func AsyncPreempt() {
	// Run with just 1 GOMAXPROCS so the runtime is required to
	// use scheduler preemption.
	runtime.GOMAXPROCS(1)
	// Disable GC so we have complete control of what we're testing.
	debug.SetGCPercent(-1)
	// Out of an abundance of caution, also make sure that there are

//	p := buf.get2()
//	p[0], p[1] = old, new
//	... actual memory write ...
//
// The caller must ensure there are no preemption points during the
// above sequence. There must be no preemption points while buf is in
// use because it is a per-P resource. There must be no preemption
// points between the buffer put and the write to memory because this
// could allow a GC phase change, which could result in missed write

			ctxt.pushCall(abi.FuncPCABI0(asyncPreempt), newpc)
		}
	}

	// Acknowledge the preemption.
	gp.m.preemptGen.Add(1)
	gp.m.signalPending.Store(0)

	if GOOS == "darwin" || GOOS == "ios" {
		pendingPreemptSignals.Add(-1)
	}
}

const preemptMSupported = true

// preemptM sends a preemption request to mp. This request may be
// handled asynchronously and may be coalesced with other requests to