linux系统怎么查看自己电脑的cpu位数

linux系统怎么查看自己电脑的cpu位数

linux系统怎么查看自己电脑的cpu位数?不知道的话跟着店铺一起来学习linux系统怎么查看自己电脑的cpu位数。

linux系统怎么查看自己电脑的cpu位数的方法

1.查看Linux的操作系统和硬件cpu位数

linux 操作系统的位数查看

getconf LONG_BIT 如果是32表示是32位

eg:

[root@db ~]# getconf LONG_BIT

32

[root@db ~]# getconf WORD_BIT

32

或者通过cat /proc/cpuinfo也可以查看

再或者

[root@svr-db-test ~]# file /sbin/init

/sbin/init: ELF 64-bit LSB executable, AMD x86-64, version 1

(SYSV), for GNU/Linux 2.6.9, dynamically linked (uses shared libs),

for GNU/Linux 2.6.9, stripped

查看cpu硬件架构

在Linux中使用命令arch可以初步查看出当前系统所识别出来的机器CPU类型，

如"i386", "i486","i586", "alpha", "sparc", "arm", "m68k",

"mips", "ppc","ia64","x86_64"等;ia64和x86_64就说明这台机器是64位的;

eg:

[root@db ~]# arch

i686

或者

[root@svr-db-test ~]# uname -m

x86_64

或者

[root@svr-db-test ~]# echo $HOSTTYPE

x86_64

2. 查看windows的操作系统和硬件cpu位数

Microsoft Windows XP [版本 5.1.2600]

(C) 版权所有 1985-2001 Microsoft Corp.

C:/Documents and Settings/Administrator>systeminfo

主机名: LUOBO-090566BDE

OS 名称: Microsoft Windows XP Professional

OS 版本: 5.1.2600 Service Pack 3 Build 2600

OS 制造商: Microsoft Corporation

OS 配置: 独立工作站

OS 构件类型: Multiprocessor Free

注册的所有人: 微软用户

注册的组织: 微软中国

产品 ID: 76481-640-1464517-23673

初始安装日期: 2009-9-2, 10:16:44

系统启动时间: 0 天 0 小时 35 分 35 秒

系统制造商: Dell Inc.

系统型号: MXC061

系统类型: X86-based PC

处理器: 安装了 1 个处理器。

[01]: x86 Family 6 Model 14 Stepping 12 GenuineIntel ~1728

Mhz

BIOS 版本: DELL - 27d70402

Windows 目录: C:/WINDOWS

系统目录: C:/WINDOWS/system32

启动设备: /Device/HarddiskVolume1

系统区域设置: zh-cn;中文(中国)

输入法区域设置: zh-cn;中文(中国)

时区: 暂缺

物理内存总量: 2,038 MB

可用的物理内存: 1,554 MB

虚拟内存: 最大值: 2,048 MB

虚拟内存: 可用: 1,992 MB

虚拟内存: 使用中: 56 MB

页面文件位置: C:/

域: WORKGROUP

登录服务器: //LUOBO-090566BDE

修补程序: 安装了 143 个修补程序。

.

3. AIX查看硬件cpu位数和os位数

显示机器硬件是32位还是64位

# bootinfo -y

64

查看aix操作系统是32位还是64位

# bootinfo -K

64

PS：原CSDN文地址--/wyzxg/archive/2009/12/22/

本文来自博客，转载请标明出处：/tcsbupt/archive/2010/07/14/

Linux下如何查看CPU信息, 包括位数和多核信息

# uname -a

Linux euis1 #1 SMP Fri Apr 20 17:03:35 EDT

2007 i686 i686 i386 GNU/Linux

(查看当前操作系统内核信息)

# cat /etc/issue | grep Linux

Red Hat Enterprise Linux AS release 4 (Nahant Update 5)

(查看当前操作系统发行版信息)

# cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq -c

8Intel(R)Xeon(R)****************(看到有8个逻辑CPU, 也知道了CPU型号)

# cat /proc/cpuinfo | grep physical | uniq -c

4 physical id : 0

4 physical id : 1

(说明实际上是两颗4核的CPU)

# getconf LONG_BIT

32

(说明当前CPU运行在32bit模式下, 但不代表CPU不支持64bit)

# cat /proc/cpuinfo | grep flags | grep ' lm ' | wc -l

8

(结果大于0, 说明支持64bit计算. lm指long mode, 支持lm则是64bit)

.

.

最后再完整看cpu物理信息, 不过大部分我们都不关心而已.

# dmidecode | grep -A48 'Processor Information$'

Processor Information

Socket Designation: CPU 1

Type: Central Processor

Family: Xeon

Manufacturer: Intel

ID: 7A 06 01 00 FF FB EB BF

Signature: Type 0, Family 6, Model 17, Stepping A

Flags:

FPU (Floating-point unit on-chip)

VME (Virtual mode extension)

DE (Debugging extension)

PSE (Page size extension)

TSC (Time stamp counter)

MSR (Model specific registers)

PAE (Physical address extension)

MCE (Machine check exception)

CX8 (CMPXCHG8 instruction supported)

APIC (On-chip APIC hardware supported)

SEP (Fast system call)

MTRR (Memory type range registers)

PGE (Page global enable)

MCA (Machine check architecture)

CMOV (Conditional move instruction supported)

PAT (Page attribute table)

PSE-36 (36-bit page size extension)

CLFSH (CLFLUSH instruction supported)

DS (Debug store)

ACPI (ACPI supported)

MMX (MMX technology supported)

FXSR (Fast floating-point save and restore)

SSE (Streaming SIMD extensions)

SSE2 (Streaming SIMD extensions 2)

SS (Self-snoop)

HTT (Hyper-threading technology)

TM (Thermal monitor supported)

SBF (Signal break on FERR)

Version:Intel(R)Xeon(R)****************Voltage: 1.2 V

External Clock: 333 MHz

Max Speed: 2333 MHz

Current Speed: 2333 MHz

Status: Populated, Enabled

Upgrade:

L1 Cache Handle: 0x0005

L2 Cache Handle: 0x0006

L3 Cache Handle: 0x0007

Serial Number: To Be Filled By O.E.M.

Asset Tag: To Be Filled By O.E.M.

Part Number: To Be Filled By O.E.M.

--

Processor Information

Socket Designation: CPU 2

Type: Central Processor

Family: Xeon

Manufacturer: Intel

ID: 7A 06 01 00 FF FB EB BF

Signature: Type 0, Family 6, Model 17, Stepping A

Flags:

FPU (Floating-point unit on-chip)

VME (Virtual mode extension)

DE (Debugging extension)

PSE (Page size extension)

TSC (Time stamp counter)

MSR (Model specific registers)

PAE (Physical address extension)

MCE (Machine check exception)

CX8 (CMPXCHG8 instruction supported)

APIC (On-chip APIC hardware supported)

SEP (Fast system call)

MTRR (Memory type range registers)

PGE (Page global enable)

MCA (Machine check architecture)

CMOV (Conditional move instruction supported)

PAT (Page attribute table)

PSE-36 (36-bit page size extension)

CLFSH (CLFLUSH instruction supported)

DS (Debug store)

ACPI (ACPI supported)

MMX (MMX technology supported)

FXSR (Fast floating-point save and restore)

SSE (Streaming SIMD extensions)

SSE2 (Streaming SIMD extensions 2)

SS (Self-snoop)

HTT (Hyper-threading technology)

TM (Thermal monitor supported)

SBF (Signal break on FERR)

Version:Intel(R)Xeon(R)****************Voltage: 1.2 V

External Clock: 333 MHz

Max Speed: 2333 MHz

Current Speed: 2333 MHz

Status: Populated, Enabled

Upgrade:

L1 Cache Handle: 0x0009

L2 Cache Handle: 0x000A

L3 Cache Handle: 0x000B

Serial Number: To Be Filled By O.E.M.

Asset Tag: To Be Filled By O.E.M.

Part Number: To Be Filled By O.E.M.