}

// deleteMin removes timer 0 from ts.
// ts must be locked.
func (ts *timers) deleteMin() {
	assertLockHeld(&ts.mu)
	t := ts.heap[0].timer
	if t.ts != ts {
		throw("wrong timers")
	}
	t.ts = nil
	last := len(ts.heap) - 1
	if last > 0 {
		ts.heap[0] = ts.heap[last]
	}
	ts.heap[last] = timerWhen{}
	ts.heap = ts.heap[:last]
	if last > 0 {
		ts.siftDown(0)
	}
	ts.updateMinWhenHeap()

		m.Set(sysCPULoadPerc, math.Round(perc*100)/100)
	}

	ts := cpuMetrics.TimesStat
	tot := ts.User + ts.System + ts.Idle + ts.Iowait + ts.Nice + ts.Steal
	cpuUserVal := math.Round(ts.User/tot*100*100) / 100
	m.Set(sysCPUUser, cpuUserVal)
	cpuSystemVal := math.Round(ts.System/tot*100*100) / 100
	m.Set(sysCPUSystem, cpuSystemVal)
	cpuNiceVal := math.Round(ts.Nice/tot*100*100) / 100
	m.Set(sysCPUNice, cpuNiceVal)

func testRedirectCookiesJar(t *testing.T, mode testMode) {
	var ts *httptest.Server
	ts = newClientServerTest(t, mode, echoCookiesRedirectHandler).ts
	c := ts.Client()
	c.Jar = new(TestJar)
	u, _ := url.Parse(ts.URL)
	c.Jar.SetCookies(u, []*Cookie{expectedCookies[0]})
	resp, err := c.Get(ts.URL)
	if err != nil {
		t.Fatalf("Get: %v", err)
	}
	resp.Body.Close()

//go:nosplit
func semasleep(ns int64) int32 {
	mp := getg().m
	if ns >= 0 {
		var ts timespec

		if clock_gettime(_CLOCK_REALTIME, &ts) != 0 {
			throw("clock_gettime")
		}
		ts.tv_sec += ns / 1e9
		ts.tv_nsec += ns % 1e9
		if ts.tv_nsec >= 1e9 {
			ts.tv_sec++
			ts.tv_nsec -= 1e9
		}

		if r, err := sem_timedwait((*semt)(unsafe.Pointer(mp.waitsema)), &ts); r != 0 {
			if err == _ETIMEDOUT || err == _EAGAIN || err == _EINTR {

	// in the exported fields of Server.
	"NewServerManual": func(h http.Handler) *Server {
		ts := &Server{Listener: newLocalListener(), Config: &http.Server{Handler: h}}
		ts.Start()
		return ts
	},
	"NewTLSServerManual": func(h http.Handler) *Server {
		ts := &Server{Listener: newLocalListener(), Config: &http.Server{Handler: h}}
		ts.StartTLS()
		return ts
	},
}

func TestServer(t *testing.T) {

			io.WriteString(w, r.RemoteAddr)
		}), func(ts *httptest.Server) {
			ts.Config.ReadHeaderTimeout = readHeaderTimeout
			ts.Config.IdleTimeout = 2 * readHeaderTimeout
		})
		defer cst.close()
		ts := cst.ts
		t.Logf("ReadHeaderTimeout = %v", ts.Config.ReadHeaderTimeout)
		t.Logf("IdleTimeout = %v", ts.Config.IdleTimeout)
		c := ts.Client()

		get := func() (string, error) {

func (gs *gState[R]) blockedSyscallEnd(ts trace.Time, stack trace.Stack, ctx *traceContext) {
	name := "exit blocked syscall"
	gs.setStartCause(ts, name, trace.SyscallP, stack)

	// Emit an syscall exit instant event for the "Syscall" lane.
	ctx.Instant(traceviewer.InstantEvent{
		Name:     name,
		Ts:       ctx.elapsed(ts),
		Resource: trace.SyscallP,
		Stack:    ctx.Stack(viewerFrames(stack)),

func testServeIndexHtmlFS(t *testing.T, mode testMode) {
	const want = "index.html says hello\n"
	ts := newClientServerTest(t, mode, FileServer(Dir("."))).ts
	defer ts.Close()

	for _, path := range []string{"/testdata/", "/testdata/index.html"} {
		res, err := ts.Client().Get(ts.URL + path)
		if err != nil {
			t.Fatal(err)
		}
		b, err := io.ReadAll(res.Body)
		if err != nil {

			ts := newClientServerTest(t, mode, h).ts
			go proxy(t)
			c := ts.Client()
			c.Transport.(*Transport).Proxy = ProxyURL(pu)
			r, err := c.Head(ts.URL)
			if err != nil {
				t.Fatal(err)
			}
			if r.Header.Get(sentinelHeader) != sentinelValue {
				t.Errorf("Failed to retrieve sentinel value")
			}
			got := <-ch
			ts.Close()
			tsu, err := url.Parse(ts.URL)

	}

	switch mode {
	case http1Mode:
		cst.ts.Start()
	case https1Mode:
		cst.ts.StartTLS()
	case http2Mode:
		ExportHttp2ConfigureServer(cst.ts.Config, nil)
		cst.ts.TLS = cst.ts.Config.TLSConfig
		cst.ts.StartTLS()
	default:
		t.Fatalf("unknown test mode %v", mode)
	}
	cst.c = cst.ts.Client()
	cst.tr = cst.c.Transport.(*Transport)
	if mode == http2Mode {