}

	if rate > 0 && int64(cheaprand())%rate == 0 {
		lt.tickStart = cputicks()
	}
}

func (lt *lockTimer) end() {
	gp := getg()

	if lt.timeStart != 0 {
		nowTime := nanotime()
		gp.m.mLockProfile.waitTime.Add((nowTime - lt.timeStart) * lt.timeRate)
	}

	if lt.tickStart != 0 {
		nowTick := cputicks()
		gp.m.mLockProfile.recordLock(nowTick-lt.tickStart, lt.lock)
	}
}

	BREAK
	RET

TEXT runtime·asminit(SB),NOSPLIT|NOFRAME,$0-0
	RET

TEXT runtime·mstart(SB),NOSPLIT|TOPFRAME,$0
	JAL     runtime·mstart0(SB)
	RET // not reached

// func cputicks() int64
TEXT runtime·cputicks(SB),NOSPLIT,$0-8
	RDTIMED	R0, R4
	MOVV	R4, ret+0(FP)
	RET

/*
 *  go-routine
 */

// void gogo(Gobuf*)
// restore state from Gobuf; longjmp

	get_tls(CX)
	MOVL	g(CX), AX
	CMPL	(g_stack+stack_hi)(AX), SP
	JHI	2(PC)
	CALL	runtime·abort(SB)
	CMPL	SP, (g_stack+stack_lo)(AX)
	JHI	2(PC)
	CALL	runtime·abort(SB)
	RET

// func cputicks() int64
TEXT runtime·cputicks(SB),NOSPLIT,$0-8
	// LFENCE/MFENCE instruction support is dependent on SSE2.
	// When no SSE2 support is present do not enforce any serialization

	get_tls(CX)
	MOVQ	g(CX), AX
	CMPQ	(g_stack+stack_hi)(AX), SP
	JHI	2(PC)
	CALL	runtime·abort(SB)
	CMPQ	SP, (g_stack+stack_lo)(AX)
	JHI	2(PC)
	CALL	runtime·abort(SB)
	RET

// func cputicks() int64
TEXT runtime·cputicks(SB),NOSPLIT,$0-0
	CMPB	internal∕cpu·X86+const_offsetX86HasRDTSCP(SB), $1
	JNE	fences
	// Instruction stream serializing RDTSCP is supported.

	for i := 0; i < b.N; i++ {
		New(data)
	}
}

func makeText(name string) ([]byte, error) {
	var data []byte
	switch name {
	case "opticks":
		var err error
		data, err = os.ReadFile("../../testdata/Isaac.Newton-Opticks.txt")
		if err != nil {
			return nil, err
		}
	case "go":
		err := filepath.WalkDir("../..", func(path string, info fs.DirEntry, err error) error {

	if types.Contains(madmin.MetricsCPU) {
		m.Aggregated.CPU = &madmin.CPUMetrics{
			CollectedAt: UTCNow(),
		}
		cm, err := c.Times(false)
		if err != nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: %v (cpuTimes)", byHostName, err.Error()))
		} else {
			// not collecting per-cpu stats, so there will be only one element
			if len(cm) == 1 {
				m.Aggregated.CPU.TimesStat = &cm[0]
			} else {

	"crypto/sha256"
	"encoding/hex"
	"errors"
	"fmt"
	"internal/poll"
	"io"
	"os"
	"runtime"
	"strconv"
	"sync"
	"testing"
	"time"
)

const (
	newton       = "../testdata/Isaac.Newton-Opticks.txt"
	newtonLen    = 567198
	newtonSHA256 = "d4a9ac22462b35e7821a4f2706c211093da678620a8f9997989ee7cf8d507bbd"
)

// expectSendfile runs f, and verifies that internal/poll.SendFile successfully handles