// towards the terminoloy k8s hints. We acknowledge this is confusing.
	//
	// looking at https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/,
	// any possible naming scheme will lead to ambiguity to some extent.
	// We picked "pcpu" because it the established docs hints at vCPU already.
	FullPhysicalCPUsOnly bool
	// Flag to evenly distribute CPUs across NUMA nodes in cases where more

}

// processOptions enables or disables CPU feature values based on the parsed env string.
// The env string is expected to be of the form cpu.feature1=value1,cpu.feature2=value2...
// where feature names is one of the architecture specific list stored in the
// cpu packages options variable and values are either 'on' or 'off'.
// If env contains cpu.all=off then all cpu features referenced through the options

// license that can be found in the LICENSE file.

// Package cpu implements processor feature detection for
// various CPU architectures.
package cpu

import (
	"os"
	"strings"
)

// Initialized reports whether the CPU features were initialized.
//
// For some GOOS/GOARCH combinations initialization of the CPU features depends
// on reading an operating specific file, e.g. /proc/self/auxv on linux/arm

// Copyright 2020 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.

// This assembly file exists to allow internal/cpu to call

		// than the CPU profiler when filtered to this goroutine via labels.
		cpuHogger(cpuHog1, &salt1, dur)
	}()

	trace.Stop()
	pprof.StopCPUProfile()

	// Summarize the CPU profile to stderr so the test can check against it.

	prof, err := profile.Parse(cpuBuf)
	if err != nil {
		log.Fatalf("failed to parse CPU profile: %v", err)
	}

	sysCPUAvgIdleMD   = NewGaugeMD(sysCPUAvgIdle, "Average CPU idle time")
	sysCPUAvgIOWaitMD = NewGaugeMD(sysCPUAvgIOWait, "Average CPU IOWait time")
	sysCPULoadMD      = NewGaugeMD(sysCPULoad, "CPU load average 1min")
	sysCPULoadPercMD  = NewGaugeMD(sysCPULoadPerc, "CPU load average 1min (percentage)")
	sysCPUNiceMD      = NewGaugeMD(sysCPUNice, "CPU nice time")
	sysCPUStealMD     = NewGaugeMD(sysCPUSteal, "CPU steal time")

Wang Yaduo <******@****.***> 1706668655 +0800

Michael Pratt <******@****.***> 1623086889 -0400

	}
}

func archauxv(tag, val uintptr) {
	switch tag {
	case _AT_HWCAP:
		cpu.HWCap = uint(val)
	case _AT_HWCAP2:
		cpu.HWCap2 = uint(val)
	case _AT_PLATFORM:
		cpu.Platform = gostringnocopy((*byte)(unsafe.Pointer(val)))
	}
}

//go:nosplit
func cputicks() int64 {
	// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
	return nanotime()

	// osinit not called yet, so ncpu not set: must use getncpu directly.
	if getncpu() > 1 && goarm < 7 {
		print("runtime: this system has multiple CPUs and must use\n")
		print("atomic synchronization instructions. Recompile using GOARM=7.\n")
		exit(1)
	}
}

//go:nosplit
func cputicks() int64 {
	// runtime·nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
	return nanotime()