Last updated at Posted at 2018-06-13


#1 lscpuコマンドとは?

#2 環境
VMware Workstation 14 Player上の仮想マシンを使いました。

[root@server ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

[root@server ~]# uname -r

#3 コマンドのインストール

[root@server ~]# yum -y install util-linux

[root@server ~]# lscpu -V
lscpu from util-linux 2.23.2

#4 オプション一覧

[root@server ~]# lscpu -h

 lscpu [options]

Display information about the CPU architecture.

 -a, --all               print both online and offline CPUs (default for -e)
 -b, --online            print online CPUs only (default for -p)
 -c, --offline           print offline CPUs only
 -e, --extended[=<list>] print out an extended readable format
 -p, --parse[=<list>]    print out a parsable format
 -s, --sysroot <dir>     use specified directory as system root
 -x, --hex               print hexadecimal masks rather than lists of CPUs
 -y, --physical          print physical instead of logical IDs

 -h, --help     display this help and exit
 -V, --version  output version information and exit

Available columns:
           CPU  logical CPU number
          CORE  logical core number
        SOCKET  logical socket number
          NODE  logical NUMA node number
          BOOK  logical book number
        DRAWER  logical drawer number
         CACHE  shows how caches are shared between CPUs
  POLARIZATION  CPU dispatching mode on virtual hardware
       ADDRESS  physical address of a CPU
    CONFIGURED  shows if the hypervisor has allocated the CPU
        ONLINE  shows if Linux currently makes use of the CPU
        MAXMHZ  shows the maximum MHz of the CPU
        MINMHZ  shows the minimum MHz of the CPU

For more details see lscpu(1).

#5 CPUの情報を表示する方法(オプション指定なし)

[root@server ~]# lscpu
アーキテクチャ: x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Socket(s):             8
NUMAノード:         1
ベンダーID:        GenuineIntel
CPUファミリー:    6
モデル:             158
Model name:            Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz
ステッピング:    9
CPU MHz:               2807.545
BogoMIPS:              5616.00
仮想化タイプ:    完全仮想化
L1d キャッシュ:   32K
L1i キャッシュ:   32K
L2 キャッシュ:    256K
L3 キャッシュ:    6144K
NUMAノード 0 CPU:   0-7
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc eagerfpu pni pclmulqdq ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm 3dnowprefetch fsgsbase tsc_adjust bmi1 avx2 smep bmi2 invpcid mpx rdseed adx smap clflushopt xsaveopt xsavec arat

#Z 参考情報

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