github.com/JimmyHuang454/JLS-go@v0.0.0-20230831150107-90d536585ba0/internal/sysinfo/sysinfo.go (about)

     1  // Copyright 2020 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Package sysinfo implements high level hardware information gathering
     6  // that can be used for debugging or information purposes.
     7  package sysinfo
     8  
     9  import (
    10  	internalcpu "internal/cpu"
    11  	"sync"
    12  )
    13  
    14  type cpuInfo struct {
    15  	once sync.Once
    16  	name string
    17  }
    18  
    19  var CPU cpuInfo
    20  
    21  func (cpu *cpuInfo) Name() string {
    22  	cpu.once.Do(func() {
    23  		// Try to get the information from internal/cpu.
    24  		if name := internalcpu.Name(); name != "" {
    25  			cpu.name = name
    26  			return
    27  		}
    28  		// TODO(martisch): use /proc/cpuinfo and /sys/devices/system/cpu/ on Linux as fallback.
    29  	})
    30  	return cpu.name
    31  }