Linux to determine the number of CPU physics, a few cores

Output of your own server

1. View the number of physical CPUs

  #cat/proc/cpuinfo |grep "Physical id" |sort |uniq|wc-l  12. View the number of logical CPUs #cat/proc/cpuinfo |grep "Processor" |wc-l 83. View CPU is a few cores #cat/proc/cpuinfo |grep "cores" |uniq cpu cores:44. View CPU Frequency #cat/proc/cpuinfo |grep mhz|uniq cpu MHz  : 1600.000# uname-alinux 54acm 2.6.32-25-generic-pae #44-ub Untu SMP Fri Sep 21:57:48 UTC i686 gnu/linux (view current operating system core information)  # Cat/etc/issue ubuntu 10.04 LTS (view current operating system release Information)  # Cat/proc/cpuinfo | grep name | Cut-f2-d: | uniq-c       8  intel (R) Xeon (r) CPU           E5620  @ 2.40GHz (see Have 8 logical CPUs and know the CPU model)  # Cat/proc/cpuinfo | grep Physical | uniq-c      1 Physical id:1      1 address sizes:40 bits physical, bits VI rtual      1 Physical id:1      1 address sizes:40 bits physical, bits virt ual      1 Physical id:1      1 address sizes:40 bits physical, bits virtual      1 physical id:1     &N Bsp;1 address sizes:40 bits physical, bits virtual      1 physical id:1     &NBS P;1 address sizes:40 bits physical, bits virtual      1 physical id:1       1 Address sizes:40 bits physical, bits virtual      1 physical id:1      1 Address sizes:40 bits physical, bits virtual      1 physical id:1      1 AD Dress sizes:40 bits physical, bits virtual  (description is actually two 4-core CPUs)  # getconf Long_bit32 (indicates that the current CPU is running in 32bit mode, but does not represent C PU does not support 64bit)  # Cat/proc/cpuinfo | grep Flags | grep ' LM ' | WC-L8 (Result greater than 0, description supports 64bit calculation. LM means long mode, LM is 64bit)      how to get CPU Details: Linux command: cat/proc/ Cpuinfo using commands to determine several physical CPUs, several cores, etc.: Number of logical CPUs: # Cat/proc/cpuinfo | grep "Processor" | Wc-l number of physical CPUs: # Cat/proc/cpuinfo | grep "Physical ID" | Sort | Uniq | Wc-l number of cores per physical CPU: # Cat/proc/cpuinfo | grep "CPU Cores" | Wc-l is Hyper-threading? If there are two logical CPUs with the same "core ID", then Hyper-threading is turned on. The number of logical CPUs (possibly cores, threads, or both) in each physical CPU: # Cat/proc/cpuinfo | grep "Siblings"  siblings:81. View the CPU Information command Cat/proc/cpuinfo2. View the Memory Information command Cat/proc/meminfo3. View hard disk Info command fdisk-l