Anda dapat dengan mudah mendapatkan informasi tentang jumlah CPU atau core di sistem Linux menggunakan baris perintah. Informasi ini tersedia dalam file /proc/cpuinfo, yang menyimpan detail tentang CPU dan arsitektur sistem. Anda bisa menggunakan perintah cat, grep, atau egrep untuk melihat isi file /proc/cpuinfo. Saya akan menunjukkan kepada Anda cara menggunakan file /proc/cpuinfo dan perintah lscpu untuk menampilkan jumlah prosesor di Linux.
Bagaimana Cara Memeriksa CPU Thread dan Core yang ada di sistem Linux?
Anda bisa menggunakan salah satu dari berbagai perintah berikut untuk menemukan jumlah inti CPU fisik, termasuk semua inti, di Linux:
- Perintah lscpu: Perintah ini memberikan informasi terperinci tentang CPU, termasuk jumlah inti CPU fisik.
- Perintah cat /proc/cpuinfo: Ini akan menampilkan detail CPU, termasuk jumlah inti fisik.
- Perintah top atau htop: Anda dapat menggunakan perintah ini untuk melihat informasi tentang penggunaan CPU saat ini, yang juga mencakup jumlah inti fisik.
- Perintah nproc: Ini akan langsung memberikan jumlah inti CPU yang aktif.
- Perintah dmidecode -t processor: Ini akan memberikan informasi tentang prosesor yang terpasang di sistem.
- Perintah getconf
- _NPROCESSORS_ONLN: Perintah ini memberikan jumlah total inti CPU yang aktif.
Anda bisa menggunakan salah satu dari perintah tersebut untuk mendapatkan informasi tentang jumlah inti CPU fisik di sistem Linux Anda.
Cara menampilkan informasi tentang CPU di Linux
Jalankan saja perintah lscpu:
- lscpu
- lscpu | egrep ‘Model name|Socket|Thread|NUMA|CPU\(s\)’
- lscpu -p
Output diatas dengan jelas menunjukkan saya memiliki:
CPU yang digunakan adalah AMD Ryzen 7 1700 dengan delapan inti fisik. Masing-masing inti CPU memiliki dua utas, sehingga total utas yang tersedia adalah 16 (8 inti CPU dikalikan dengan 2 utas per inti).
Kesimpulan
Anda dapat mempelajari cara menampilkan informasi tentang arsitektur CPU, inti, utas, versi/model CPU, vendor, dan informasi lainnya menggunakan berbagai opsi baris perintah Linux. Anda dapat menggunakan perintah help atau perintah man untuk melihat halaman manual berikut:
- lscpu: Menampilkan informasi CPU
- cat /proc/cpuinfo: Menampilkan informasi CPU dari file /proc/cpuinfo
- top atau htop: Menampilkan informasi sistem secara keseluruhan, termasuk informasi tentang CPU
- nproc: Menampilkan jumlah inti CPU
- dmidecode -t processor: Menampilkan informasi tentang prosesor dari data DMI (Desktop Management Interface)
- getconf _NPROCESSORS_ONLN: Menampilkan jumlah inti CPU secara langsung
Anda dapat menggunakan perintah help atau man untuk mempelajari lebih lanjut tentang penggunaan dan opsi yang tersedia untuk setiap perintah.
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